diff --git a/Makefile b/Makefile index a3ce65d..acbcbf0 100644 --- a/Makefile +++ b/Makefile @@ -1,12 +1,13 @@ CC=arm-linux-gnueabihf-gcc STRIP=arm-linux-gnueabihf-strip -CCFLAGS=-Ofast -mcpu=cortex-a9 -mfpu=neon -mfloat-abi=hard -ftree-vectorize -funsafe-math-optimizations - +CCFLAGS=-Ialsa/include -Lalsa/lib -Ofast -mcpu=cortex-a9 -mfpu=neon -mfloat-abi=hard -ftree-vectorize -funsafe-math-optimizations +LDFLAGS=-lasound -lm -pthread all : - $(CC) $(CCFLAGS) main.c serial.c setbaud.c misc.c udpsock.c tcpsock.c alsa.c ini.c directory.c modem_snd.c -pthread -lasound -lm -o midilink + + $(CC) $(CCFLAGS) $(LDFLAGS) main.c serial.c setbaud.c misc.c udpsock.c tcpsock.c alsa.c ini.c directory.c modem_snd.c -o midilink $(STRIP) midilink clean: - rm -f main.o serial.o setbaud.o misc.o udpsock.o alsa.o ini.0 midilink *~ + rm -f midilink *~ *.orig DEADJOE diff --git a/MidiLink.INI b/MidiLink.INI index a48b7ac..48f69db 100644 --- a/MidiLink.INI +++ b/MidiLink.INI @@ -1,24 +1,45 @@ #This is the MidiLink INI File! #Edit with Notepad++ under Windows + MIDILINK_PRIORITY = -20 MUNT_OPTIONS = MP3_VOLUME = 100% MUNT_VOLUME = 100% +MUNT_ROM_PATH = /media/fat/linux/mt32-rom-data FSYNTH_VOLUME = 100% MIXER_CONTROL = Master -FSYNTH_SOUNDFONT = /media/fat/soundfonts/SC-55.sf2 -UDP_SERVER = 192.168.1.135 +FSYNTH_SOUNDFONT = /media/fat/linux/soundfonts/SC-55.sf2 +UDP_SERVER = 192.168.1.157 UDP_SERVER_PORT = 1999 UDP_SERVER_FILTER = FALSE +UDP_FLOW = 0 TCP_SERVER_PORT = 23 -TCP_TERM_ROWS = 22 TCP_TERM_UPLOAD = /media/fat/UPLOAD TCP_TERM_DOWNLOAD = /media/fat TCP_TERM_MP3 = /media/fat/MP3 TCP_TERM_MIDI = /media/fat/MIDI -TCT_TERM_SYNTH = FluidSynth -#UDP_BAUD = 2400 -#UDP_FLOW = 0 -#TCP_BAUD = 9600 -#TCP_FLOW = 0 -DELAYSYSEX = FALSE; \ No newline at end of file +TCP_TERM_SYNTH = FluidSynth +TCP_TERM_ROWS = 23 +TCP_FLOW = 0 +TCP_SOUND = F +DELAYSYSEX = TRUE + +[MINIMIG] +TCP_TERM_ROWS = 22 + +[C64] +TCP_BAUD = 2400 +MIDI_BAUD = 2400 +TCP_TERM_ROWS = 24 +TCP_ATH_DELAY = 0 + +[FXCAST] +TCP_BAUD = 9600 + +[AO486] +MIDI_BAUD = 38400 +TCP_SOUND_CONNECT = /media/fat/SOUNDS/connect_sav.wav + + + + diff --git a/README.md b/README.md index 326f944..14469dd 100644 --- a/README.md +++ b/README.md @@ -186,7 +186,7 @@ The MidiLink.INI file: #TCP_SOUND_DIAL = --> optional WAV file for TCP modem dial - #TCP_SOUND_CONNET = --> optional WAV file for TCP modem + #TCP_SOUND_CONNECT = --> optional WAV file for TCP modem connect DELAYSYSEX = TRUE --> This option fixes "Buffer Overflow" @@ -215,8 +215,8 @@ The TCP option works like a WiFi232 adapter supporting a small subset of the Hay ATMID - Play MIDI file (see file picker) ATMIDSF - Select FluidSynth SoundFont (Change MidiLink.INI) ATMID! - Stop currently playing MIDI - ATM0 - Enable modem sounds - ATM1 - Disable modem sounds + ATM0 - Disable modem sounds + ATM1 - Enable modem sounds ATMP3 - Play MP3 file (see file picker) ATMP3! - Stop currently playing MP3 File ATROWS - Do terminal row test diff --git a/alsa/include/alsa/asoundef.h b/alsa/include/alsa/asoundef.h new file mode 100644 index 0000000..c6c4eec --- /dev/null +++ b/alsa/include/alsa/asoundef.h @@ -0,0 +1,310 @@ +/** + * \file include/asoundef.h + * \brief Application interface library for the ALSA driver + * \author Jaroslav Kysela + * \author Abramo Bagnara + * \author Takashi Iwai + * \date 1998-2001 + * + * Definitions of constants for the ALSA driver + */ +/* + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __ALSA_ASOUNDEF_H +#define __ALSA_ASOUNDEF_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \defgroup Digital_Audio_Interface Constants for Digital Audio Interfaces + * AES/IEC958 channel status bits. + * \{ + */ + +#define IEC958_AES0_PROFESSIONAL (1<<0) /**< 0 = consumer, 1 = professional */ +#define IEC958_AES0_NONAUDIO (1<<1) /**< 0 = audio, 1 = non-audio */ +#define IEC958_AES0_PRO_EMPHASIS (7<<2) /**< mask - emphasis */ +#define IEC958_AES0_PRO_EMPHASIS_NOTID (0<<2) /**< emphasis not indicated */ +#define IEC958_AES0_PRO_EMPHASIS_NONE (1<<2) /**< no emphasis */ +#define IEC958_AES0_PRO_EMPHASIS_5015 (3<<2) /**< 50/15us emphasis */ +#define IEC958_AES0_PRO_EMPHASIS_CCITT (7<<2) /**< CCITT J.17 emphasis */ +#define IEC958_AES0_PRO_FREQ_UNLOCKED (1<<5) /**< source sample frequency: 0 = locked, 1 = unlocked */ +#define IEC958_AES0_PRO_FS (3<<6) /**< mask - sample frequency */ +#define IEC958_AES0_PRO_FS_NOTID (0<<6) /**< fs not indicated */ +#define IEC958_AES0_PRO_FS_44100 (1<<6) /**< 44.1kHz */ +#define IEC958_AES0_PRO_FS_48000 (2<<6) /**< 48kHz */ +#define IEC958_AES0_PRO_FS_32000 (3<<6) /**< 32kHz */ +#define IEC958_AES0_CON_NOT_COPYRIGHT (1<<2) /**< 0 = copyright, 1 = not copyright */ +#define IEC958_AES0_CON_EMPHASIS (7<<3) /**< mask - emphasis */ +#define IEC958_AES0_CON_EMPHASIS_NONE (0<<3) /**< no emphasis */ +#define IEC958_AES0_CON_EMPHASIS_5015 (1<<3) /**< 50/15us emphasis */ +#define IEC958_AES0_CON_MODE (3<<6) /**< mask - mode */ +#define IEC958_AES1_PRO_MODE (15<<0) /**< mask - channel mode */ +#define IEC958_AES1_PRO_MODE_NOTID (0<<0) /**< mode not indicated */ +#define IEC958_AES1_PRO_MODE_STEREOPHONIC (2<<0) /**< stereophonic - ch A is left */ +#define IEC958_AES1_PRO_MODE_SINGLE (4<<0) /**< single channel */ +#define IEC958_AES1_PRO_MODE_TWO (8<<0) /**< two channels */ +#define IEC958_AES1_PRO_MODE_PRIMARY (12<<0) /**< primary/secondary */ +#define IEC958_AES1_PRO_MODE_BYTE3 (15<<0) /**< vector to byte 3 */ +#define IEC958_AES1_PRO_USERBITS (15<<4) /**< mask - user bits */ +#define IEC958_AES1_PRO_USERBITS_NOTID (0<<4) /**< user bits not indicated */ +#define IEC958_AES1_PRO_USERBITS_192 (8<<4) /**< 192-bit structure */ +#define IEC958_AES1_PRO_USERBITS_UDEF (12<<4) /**< user defined application */ +#define IEC958_AES1_CON_CATEGORY 0x7f /**< consumer category */ +#define IEC958_AES1_CON_GENERAL 0x00 /**< general category */ +#define IEC958_AES1_CON_LASEROPT_MASK 0x07 /**< Laser-optical mask */ +#define IEC958_AES1_CON_LASEROPT_ID 0x01 /**< Laser-optical ID */ +#define IEC958_AES1_CON_IEC908_CD (IEC958_AES1_CON_LASEROPT_ID|0x00) /**< IEC958 CD compatible device */ +#define IEC958_AES1_CON_NON_IEC908_CD (IEC958_AES1_CON_LASEROPT_ID|0x08) /**< non-IEC958 CD compatible device */ +#define IEC958_AES1_CON_MINI_DISC (IEC958_AES1_CON_LASEROPT_ID|0x48) /**< Mini-Disc device */ +#define IEC958_AES1_CON_DVD (IEC958_AES1_CON_LASEROPT_ID|0x18) /**< DVD device */ +#define IEC958_AES1_CON_LASTEROPT_OTHER (IEC958_AES1_CON_LASEROPT_ID|0x78) /**< Other laser-optical product */ +#define IEC958_AES1_CON_DIGDIGCONV_MASK 0x07 /**< digital<->digital converter mask */ +#define IEC958_AES1_CON_DIGDIGCONV_ID 0x02 /**< digital<->digital converter id */ +#define IEC958_AES1_CON_PCM_CODER (IEC958_AES1_CON_DIGDIGCONV_ID|0x00) /**< PCM coder */ +#define IEC958_AES1_CON_MIXER (IEC958_AES1_CON_DIGDIGCONV_ID|0x10) /**< Digital signal mixer */ +#define IEC958_AES1_CON_RATE_CONVERTER (IEC958_AES1_CON_DIGDIGCONV_ID|0x18) /**< Rate converter */ +#define IEC958_AES1_CON_SAMPLER (IEC958_AES1_CON_DIGDIGCONV_ID|0x20) /**< PCM sampler */ +#define IEC958_AES1_CON_DSP (IEC958_AES1_CON_DIGDIGCONV_ID|0x28) /**< Digital sound processor */ +#define IEC958_AES1_CON_DIGDIGCONV_OTHER (IEC958_AES1_CON_DIGDIGCONV_ID|0x78) /**< Other digital<->digital product */ +#define IEC958_AES1_CON_MAGNETIC_MASK 0x07 /**< Magnetic device mask */ +#define IEC958_AES1_CON_MAGNETIC_ID 0x03 /**< Magnetic device ID */ +#define IEC958_AES1_CON_DAT (IEC958_AES1_CON_MAGNETIC_ID|0x00) /**< Digital Audio Tape */ +#define IEC958_AES1_CON_VCR (IEC958_AES1_CON_MAGNETIC_ID|0x08) /**< Video recorder */ +#define IEC958_AES1_CON_DCC (IEC958_AES1_CON_MAGNETIC_ID|0x40) /**< Digital compact cassette */ +#define IEC958_AES1_CON_MAGNETIC_DISC (IEC958_AES1_CON_MAGNETIC_ID|0x18) /**< Magnetic disc digital audio device */ +#define IEC958_AES1_CON_MAGNETIC_OTHER (IEC958_AES1_CON_MAGNETIC_ID|0x78) /**< Other magnetic device */ +#define IEC958_AES1_CON_BROADCAST1_MASK 0x07 /**< Broadcast mask */ +#define IEC958_AES1_CON_BROADCAST1_ID 0x04 /**< Broadcast ID */ +#define IEC958_AES1_CON_DAB_JAPAN (IEC958_AES1_CON_BROADCAST1_ID|0x00) /**< Digital audio broadcast (Japan) */ +#define IEC958_AES1_CON_DAB_EUROPE (IEC958_AES1_CON_BROADCAST1_ID|0x08) /**< Digital audio broadcast (Europe) */ +#define IEC958_AES1_CON_DAB_USA (IEC958_AES1_CON_BROADCAST1_ID|0x60) /**< Digital audio broadcast (USA) */ +#define IEC958_AES1_CON_SOFTWARE (IEC958_AES1_CON_BROADCAST1_ID|0x40) /**< Electronic software delivery */ +#define IEC958_AES1_CON_IEC62105 (IEC958_AES1_CON_BROADCAST1_ID|0x20) /**< Used by another standard (IEC 62105) */ +#define IEC958_AES1_CON_BROADCAST1_OTHER (IEC958_AES1_CON_BROADCAST1_ID|0x78) /**< Other broadcast product */ +#define IEC958_AES1_CON_BROADCAST2_MASK 0x0f /**< Broadcast alternative mask */ +#define IEC958_AES1_CON_BROADCAST2_ID 0x0e /**< Broadcast alternative ID */ +#define IEC958_AES1_CON_MUSICAL_MASK 0x07 /**< Musical device mask */ +#define IEC958_AES1_CON_MUSICAL_ID 0x05 /**< Musical device ID */ +#define IEC958_AES1_CON_SYNTHESIZER (IEC958_AES1_CON_MUSICAL_ID|0x00) /**< Synthesizer */ +#define IEC958_AES1_CON_MICROPHONE (IEC958_AES1_CON_MUSICAL_ID|0x08) /**< Microphone */ +#define IEC958_AES1_CON_MUSICAL_OTHER (IEC958_AES1_CON_MUSICAL_ID|0x78) /**< Other musical device */ +#define IEC958_AES1_CON_ADC_MASK 0x1f /**< ADC Mask */ +#define IEC958_AES1_CON_ADC_ID 0x06 /**< ADC ID */ +#define IEC958_AES1_CON_ADC (IEC958_AES1_CON_ADC_ID|0x00) /**< ADC without copyright information */ +#define IEC958_AES1_CON_ADC_OTHER (IEC958_AES1_CON_ADC_ID|0x60) /**< Other ADC product (with no copyright information) */ +#define IEC958_AES1_CON_ADC_COPYRIGHT_MASK 0x1f /**< ADC Copyright mask */ +#define IEC958_AES1_CON_ADC_COPYRIGHT_ID 0x16 /**< ADC Copyright ID */ +#define IEC958_AES1_CON_ADC_COPYRIGHT (IEC958_AES1_CON_ADC_COPYRIGHT_ID|0x00) /**< ADC with copyright information */ +#define IEC958_AES1_CON_ADC_COPYRIGHT_OTHER (IEC958_AES1_CON_ADC_COPYRIGHT_ID|0x60) /**< Other ADC with copyright information product */ +#define IEC958_AES1_CON_SOLIDMEM_MASK 0x0f /**< Solid memory based products mask */ +#define IEC958_AES1_CON_SOLIDMEM_ID 0x08 /**< Solid memory based products ID */ +#define IEC958_AES1_CON_SOLIDMEM_DIGITAL_RECORDER_PLAYER (IEC958_AES1_CON_SOLIDMEM_ID|0x00) /**< Digital audio recorder and player using solid state memory */ +#define IEC958_AES1_CON_SOLIDMEM_OTHER (IEC958_AES1_CON_SOLIDMEM_ID|0x70) /**< Other solid state memory based product */ +#define IEC958_AES1_CON_EXPERIMENTAL 0x40 /**< experimental category */ +#define IEC958_AES1_CON_ORIGINAL (1<<7) /**< this bits depends on the category code */ +#define IEC958_AES2_PRO_SBITS (7<<0) /**< mask - sample bits */ +#define IEC958_AES2_PRO_SBITS_20 (2<<0) /**< 20-bit - coordination */ +#define IEC958_AES2_PRO_SBITS_24 (4<<0) /**< 24-bit - main audio */ +#define IEC958_AES2_PRO_SBITS_UDEF (6<<0) /**< user defined application */ +#define IEC958_AES2_PRO_WORDLEN (7<<3) /**< mask - source word length */ +#define IEC958_AES2_PRO_WORDLEN_NOTID (0<<3) /**< source word length not indicated */ +#define IEC958_AES2_PRO_WORDLEN_22_18 (2<<3) /**< 22-bit or 18-bit */ +#define IEC958_AES2_PRO_WORDLEN_23_19 (4<<3) /**< 23-bit or 19-bit */ +#define IEC958_AES2_PRO_WORDLEN_24_20 (5<<3) /**< 24-bit or 20-bit */ +#define IEC958_AES2_PRO_WORDLEN_20_16 (6<<3) /**< 20-bit or 16-bit */ +#define IEC958_AES2_CON_SOURCE (15<<0) /**< mask - source number */ +#define IEC958_AES2_CON_SOURCE_UNSPEC (0<<0) /**< source number unspecified */ +#define IEC958_AES2_CON_CHANNEL (15<<4) /**< mask - channel number */ +#define IEC958_AES2_CON_CHANNEL_UNSPEC (0<<4) /**< channel number unspecified */ +#define IEC958_AES3_CON_FS (15<<0) /**< mask - sample frequency */ +#define IEC958_AES3_CON_FS_44100 (0<<0) /**< 44.1kHz */ +#define IEC958_AES3_CON_FS_NOTID (1<<0) /**< sample frequency non indicated */ +#define IEC958_AES3_CON_FS_48000 (2<<0) /**< 48kHz */ +#define IEC958_AES3_CON_FS_32000 (3<<0) /**< 32kHz */ +#define IEC958_AES3_CON_FS_22050 (4<<0) /**< 22.05kHz */ +#define IEC958_AES3_CON_FS_24000 (6<<0) /**< 24kHz */ +#define IEC958_AES3_CON_FS_88200 (8<<0) /**< 88.2kHz */ +#define IEC958_AES3_CON_FS_768000 (9<<0) /**< 768kHz */ +#define IEC958_AES3_CON_FS_96000 (10<<0) /**< 96kHz */ +#define IEC958_AES3_CON_FS_176400 (12<<0) /**< 176.4kHz */ +#define IEC958_AES3_CON_FS_192000 (14<<0) /**< 192kHz */ +#define IEC958_AES3_CON_CLOCK (3<<4) /**< mask - clock accuracy */ +#define IEC958_AES3_CON_CLOCK_1000PPM (0<<4) /**< 1000 ppm */ +#define IEC958_AES3_CON_CLOCK_50PPM (1<<4) /**< 50 ppm */ +#define IEC958_AES3_CON_CLOCK_VARIABLE (2<<4) /**< variable pitch */ +#define IEC958_AES4_CON_MAX_WORDLEN_24 (1<<0) /**< 0 = 20-bit, 1 = 24-bit */ +#define IEC958_AES4_CON_WORDLEN (7<<1) /**< mask - sample word length */ +#define IEC958_AES4_CON_WORDLEN_NOTID (0<<1) /**< not indicated */ +#define IEC958_AES4_CON_WORDLEN_20_16 (1<<1) /**< 20-bit or 16-bit */ +#define IEC958_AES4_CON_WORDLEN_22_18 (2<<1) /**< 22-bit or 18-bit */ +#define IEC958_AES4_CON_WORDLEN_23_19 (4<<1) /**< 23-bit or 19-bit */ +#define IEC958_AES4_CON_WORDLEN_24_20 (5<<1) /**< 24-bit or 20-bit */ +#define IEC958_AES4_CON_WORDLEN_21_17 (6<<1) /**< 21-bit or 17-bit */ +#define IEC958_AES4_CON_ORIGFS (15<<4) /**< mask - original sample frequency */ +#define IEC958_AES4_CON_ORIGFS_NOTID (0<<4) /**< original sample frequency not indicated */ +#define IEC958_AES4_CON_ORIGFS_192000 (1<<4) /**< 192kHz */ +#define IEC958_AES4_CON_ORIGFS_12000 (2<<4) /**< 12kHz */ +#define IEC958_AES4_CON_ORIGFS_176400 (3<<4) /**< 176.4kHz */ +#define IEC958_AES4_CON_ORIGFS_96000 (5<<4) /**< 96kHz */ +#define IEC958_AES4_CON_ORIGFS_8000 (6<<4) /**< 8kHz */ +#define IEC958_AES4_CON_ORIGFS_88200 (7<<4) /**< 88.2kHz */ +#define IEC958_AES4_CON_ORIGFS_16000 (8<<4) /**< 16kHz */ +#define IEC958_AES4_CON_ORIGFS_24000 (9<<4) /**< 24kHz */ +#define IEC958_AES4_CON_ORIGFS_11025 (10<<4) /**< 11.025kHz */ +#define IEC958_AES4_CON_ORIGFS_22050 (11<<4) /**< 22.05kHz */ +#define IEC958_AES4_CON_ORIGFS_32000 (12<<4) /**< 32kHz */ +#define IEC958_AES4_CON_ORIGFS_48000 (13<<4) /**< 48kHz */ +#define IEC958_AES4_CON_ORIGFS_44100 (15<<4) /**< 44.1kHz */ +#define IEC958_AES5_CON_CGMSA (3<<0) /**< mask - CGMS-A */ +#define IEC958_AES5_CON_CGMSA_COPYFREELY (0<<0) /**< copying is permitted without restriction */ +#define IEC958_AES5_CON_CGMSA_COPYONCE (1<<0) /**< one generation of copies may be made */ +#define IEC958_AES5_CON_CGMSA_COPYNOMORE (2<<0) /**< condition not be used */ +#define IEC958_AES5_CON_CGMSA_COPYNEVER (3<<0) /**< no copying is permitted */ + +/** \} */ + +/** + * \defgroup MIDI_Interface Constants for MIDI v1.0 + * Constants for MIDI v1.0. + * \{ + */ + +#define MIDI_CHANNELS 16 /**< Number of channels per port/cable. */ +#define MIDI_GM_DRUM_CHANNEL (10-1) /**< Channel number for GM drums. */ + +/** + * \defgroup MIDI_Commands MIDI Commands + * MIDI command codes. + * \{ + */ + +#define MIDI_CMD_NOTE_OFF 0x80 /**< note off */ +#define MIDI_CMD_NOTE_ON 0x90 /**< note on */ +#define MIDI_CMD_NOTE_PRESSURE 0xa0 /**< key pressure */ +#define MIDI_CMD_CONTROL 0xb0 /**< control change */ +#define MIDI_CMD_PGM_CHANGE 0xc0 /**< program change */ +#define MIDI_CMD_CHANNEL_PRESSURE 0xd0 /**< channel pressure */ +#define MIDI_CMD_BENDER 0xe0 /**< pitch bender */ + +#define MIDI_CMD_COMMON_SYSEX 0xf0 /**< sysex (system exclusive) begin */ +#define MIDI_CMD_COMMON_MTC_QUARTER 0xf1 /**< MTC quarter frame */ +#define MIDI_CMD_COMMON_SONG_POS 0xf2 /**< song position */ +#define MIDI_CMD_COMMON_SONG_SELECT 0xf3 /**< song select */ +#define MIDI_CMD_COMMON_TUNE_REQUEST 0xf6 /**< tune request */ +#define MIDI_CMD_COMMON_SYSEX_END 0xf7 /**< end of sysex */ +#define MIDI_CMD_COMMON_CLOCK 0xf8 /**< clock */ +#define MIDI_CMD_COMMON_START 0xfa /**< start */ +#define MIDI_CMD_COMMON_CONTINUE 0xfb /**< continue */ +#define MIDI_CMD_COMMON_STOP 0xfc /**< stop */ +#define MIDI_CMD_COMMON_SENSING 0xfe /**< active sensing */ +#define MIDI_CMD_COMMON_RESET 0xff /**< reset */ + +/** \} */ + +/** + * \defgroup MIDI_Controllers MIDI Controllers + * MIDI controller numbers. + * \{ + */ + +#define MIDI_CTL_MSB_BANK 0x00 /**< Bank selection */ +#define MIDI_CTL_MSB_MODWHEEL 0x01 /**< Modulation */ +#define MIDI_CTL_MSB_BREATH 0x02 /**< Breath */ +#define MIDI_CTL_MSB_FOOT 0x04 /**< Foot */ +#define MIDI_CTL_MSB_PORTAMENTO_TIME 0x05 /**< Portamento time */ +#define MIDI_CTL_MSB_DATA_ENTRY 0x06 /**< Data entry */ +#define MIDI_CTL_MSB_MAIN_VOLUME 0x07 /**< Main volume */ +#define MIDI_CTL_MSB_BALANCE 0x08 /**< Balance */ +#define MIDI_CTL_MSB_PAN 0x0a /**< Panpot */ +#define MIDI_CTL_MSB_EXPRESSION 0x0b /**< Expression */ +#define MIDI_CTL_MSB_EFFECT1 0x0c /**< Effect1 */ +#define MIDI_CTL_MSB_EFFECT2 0x0d /**< Effect2 */ +#define MIDI_CTL_MSB_GENERAL_PURPOSE1 0x10 /**< General purpose 1 */ +#define MIDI_CTL_MSB_GENERAL_PURPOSE2 0x11 /**< General purpose 2 */ +#define MIDI_CTL_MSB_GENERAL_PURPOSE3 0x12 /**< General purpose 3 */ +#define MIDI_CTL_MSB_GENERAL_PURPOSE4 0x13 /**< General purpose 4 */ +#define MIDI_CTL_LSB_BANK 0x20 /**< Bank selection */ +#define MIDI_CTL_LSB_MODWHEEL 0x21 /**< Modulation */ +#define MIDI_CTL_LSB_BREATH 0x22 /**< Breath */ +#define MIDI_CTL_LSB_FOOT 0x24 /**< Foot */ +#define MIDI_CTL_LSB_PORTAMENTO_TIME 0x25 /**< Portamento time */ +#define MIDI_CTL_LSB_DATA_ENTRY 0x26 /**< Data entry */ +#define MIDI_CTL_LSB_MAIN_VOLUME 0x27 /**< Main volume */ +#define MIDI_CTL_LSB_BALANCE 0x28 /**< Balance */ +#define MIDI_CTL_LSB_PAN 0x2a /**< Panpot */ +#define MIDI_CTL_LSB_EXPRESSION 0x2b /**< Expression */ +#define MIDI_CTL_LSB_EFFECT1 0x2c /**< Effect1 */ +#define MIDI_CTL_LSB_EFFECT2 0x2d /**< Effect2 */ +#define MIDI_CTL_LSB_GENERAL_PURPOSE1 0x30 /**< General purpose 1 */ +#define MIDI_CTL_LSB_GENERAL_PURPOSE2 0x31 /**< General purpose 2 */ +#define MIDI_CTL_LSB_GENERAL_PURPOSE3 0x32 /**< General purpose 3 */ +#define MIDI_CTL_LSB_GENERAL_PURPOSE4 0x33 /**< General purpose 4 */ +#define MIDI_CTL_SUSTAIN 0x40 /**< Sustain pedal */ +#define MIDI_CTL_PORTAMENTO 0x41 /**< Portamento */ +#define MIDI_CTL_SOSTENUTO 0x42 /**< Sostenuto */ +#define MIDI_CTL_SUSTENUTO 0x42 /**< Sostenuto (a typo in the older version) */ +#define MIDI_CTL_SOFT_PEDAL 0x43 /**< Soft pedal */ +#define MIDI_CTL_LEGATO_FOOTSWITCH 0x44 /**< Legato foot switch */ +#define MIDI_CTL_HOLD2 0x45 /**< Hold2 */ +#define MIDI_CTL_SC1_SOUND_VARIATION 0x46 /**< SC1 Sound Variation */ +#define MIDI_CTL_SC2_TIMBRE 0x47 /**< SC2 Timbre */ +#define MIDI_CTL_SC3_RELEASE_TIME 0x48 /**< SC3 Release Time */ +#define MIDI_CTL_SC4_ATTACK_TIME 0x49 /**< SC4 Attack Time */ +#define MIDI_CTL_SC5_BRIGHTNESS 0x4a /**< SC5 Brightness */ +#define MIDI_CTL_SC6 0x4b /**< SC6 */ +#define MIDI_CTL_SC7 0x4c /**< SC7 */ +#define MIDI_CTL_SC8 0x4d /**< SC8 */ +#define MIDI_CTL_SC9 0x4e /**< SC9 */ +#define MIDI_CTL_SC10 0x4f /**< SC10 */ +#define MIDI_CTL_GENERAL_PURPOSE5 0x50 /**< General purpose 5 */ +#define MIDI_CTL_GENERAL_PURPOSE6 0x51 /**< General purpose 6 */ +#define MIDI_CTL_GENERAL_PURPOSE7 0x52 /**< General purpose 7 */ +#define MIDI_CTL_GENERAL_PURPOSE8 0x53 /**< General purpose 8 */ +#define MIDI_CTL_PORTAMENTO_CONTROL 0x54 /**< Portamento control */ +#define MIDI_CTL_E1_REVERB_DEPTH 0x5b /**< E1 Reverb Depth */ +#define MIDI_CTL_E2_TREMOLO_DEPTH 0x5c /**< E2 Tremolo Depth */ +#define MIDI_CTL_E3_CHORUS_DEPTH 0x5d /**< E3 Chorus Depth */ +#define MIDI_CTL_E4_DETUNE_DEPTH 0x5e /**< E4 Detune Depth */ +#define MIDI_CTL_E5_PHASER_DEPTH 0x5f /**< E5 Phaser Depth */ +#define MIDI_CTL_DATA_INCREMENT 0x60 /**< Data Increment */ +#define MIDI_CTL_DATA_DECREMENT 0x61 /**< Data Decrement */ +#define MIDI_CTL_NONREG_PARM_NUM_LSB 0x62 /**< Non-registered parameter number */ +#define MIDI_CTL_NONREG_PARM_NUM_MSB 0x63 /**< Non-registered parameter number */ +#define MIDI_CTL_REGIST_PARM_NUM_LSB 0x64 /**< Registered parameter number */ +#define MIDI_CTL_REGIST_PARM_NUM_MSB 0x65 /**< Registered parameter number */ +#define MIDI_CTL_ALL_SOUNDS_OFF 0x78 /**< All sounds off */ +#define MIDI_CTL_RESET_CONTROLLERS 0x79 /**< Reset Controllers */ +#define MIDI_CTL_LOCAL_CONTROL_SWITCH 0x7a /**< Local control switch */ +#define MIDI_CTL_ALL_NOTES_OFF 0x7b /**< All notes off */ +#define MIDI_CTL_OMNI_OFF 0x7c /**< Omni off */ +#define MIDI_CTL_OMNI_ON 0x7d /**< Omni on */ +#define MIDI_CTL_MONO1 0x7e /**< Mono1 */ +#define MIDI_CTL_MONO2 0x7f /**< Mono2 */ + +/** \} */ + +/** \} */ + +#ifdef __cplusplus +} +#endif + +#endif /* __ALSA_ASOUNDEF_H */ diff --git a/alsa/include/alsa/asoundlib.h b/alsa/include/alsa/asoundlib.h new file mode 100644 index 0000000..3c2766e --- /dev/null +++ b/alsa/include/alsa/asoundlib.h @@ -0,0 +1,65 @@ +/** + * \file include/asoundlib.h + * \brief Application interface library for the ALSA driver + * \author Jaroslav Kysela + * \author Abramo Bagnara + * \author Takashi Iwai + * \date 1998-2001 + * + * Application interface library for the ALSA driver + */ +/* + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __ASOUNDLIB_H +#define __ASOUNDLIB_H + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifndef __GNUC__ +#define __inline__ inline +#endif + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#endif /* __ASOUNDLIB_H */ diff --git a/alsa/include/alsa/conf.h b/alsa/include/alsa/conf.h new file mode 100644 index 0000000..5d293d5 --- /dev/null +++ b/alsa/include/alsa/conf.h @@ -0,0 +1,212 @@ +/** + * \file include/conf.h + * \brief Application interface library for the ALSA driver + * \author Jaroslav Kysela + * \author Abramo Bagnara + * \author Takashi Iwai + * \date 1998-2001 + * + * Application interface library for the ALSA driver + */ +/* + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __ALSA_CONF_H +#define __ALSA_CONF_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \defgroup Config Configuration Interface + * The configuration functions and types allow you to read, enumerate, + * modify and write the contents of ALSA configuration files. + * \{ + */ + +/** \brief \c dlsym version for the config evaluate callback. */ +#define SND_CONFIG_DLSYM_VERSION_EVALUATE _dlsym_config_evaluate_001 +/** \brief \c dlsym version for the config hook callback. */ +#define SND_CONFIG_DLSYM_VERSION_HOOK _dlsym_config_hook_001 + +/** \brief Configuration node type. */ +typedef enum _snd_config_type { + /** Integer number. */ + SND_CONFIG_TYPE_INTEGER, + /** 64-bit integer number. */ + SND_CONFIG_TYPE_INTEGER64, + /** Real number. */ + SND_CONFIG_TYPE_REAL, + /** Character string. */ + SND_CONFIG_TYPE_STRING, + /** Pointer (runtime only, cannot be saved). */ + SND_CONFIG_TYPE_POINTER, + /** Compound node. */ + SND_CONFIG_TYPE_COMPOUND = 1024 +} snd_config_type_t; + +/** + * \brief Internal structure for a configuration node object. + * + * The ALSA library uses a pointer to this structure as a handle to a + * configuration node. Applications don't access its contents directly. + */ +typedef struct _snd_config snd_config_t; +/** + * \brief Type for a configuration compound iterator. + * + * The ALSA library uses this pointer type as a handle to a configuration + * compound iterator. Applications don't directly access the contents of + * the structure pointed to by this type. + */ +typedef struct _snd_config_iterator *snd_config_iterator_t; +/** + * \brief Internal structure for a configuration private update object. + * + * The ALSA library uses this structure to save private update information. + */ +typedef struct _snd_config_update snd_config_update_t; + +extern snd_config_t *snd_config; + +int snd_config_top(snd_config_t **config); + +int snd_config_load(snd_config_t *config, snd_input_t *in); +int snd_config_load_override(snd_config_t *config, snd_input_t *in); +int snd_config_save(snd_config_t *config, snd_output_t *out); +int snd_config_update(void); +int snd_config_update_r(snd_config_t **top, snd_config_update_t **update, const char *path); +int snd_config_update_free(snd_config_update_t *update); +int snd_config_update_free_global(void); + +int snd_config_update_ref(snd_config_t **top); +void snd_config_ref(snd_config_t *top); +void snd_config_unref(snd_config_t *top); + +int snd_config_search(snd_config_t *config, const char *key, + snd_config_t **result); +int snd_config_searchv(snd_config_t *config, + snd_config_t **result, ...); +int snd_config_search_definition(snd_config_t *config, + const char *base, const char *key, + snd_config_t **result); + +int snd_config_expand(snd_config_t *config, snd_config_t *root, + const char *args, snd_config_t *private_data, + snd_config_t **result); +int snd_config_evaluate(snd_config_t *config, snd_config_t *root, + snd_config_t *private_data, snd_config_t **result); + +int snd_config_add(snd_config_t *config, snd_config_t *leaf); +int snd_config_delete(snd_config_t *config); +int snd_config_delete_compound_members(const snd_config_t *config); +int snd_config_copy(snd_config_t **dst, snd_config_t *src); + +int snd_config_make(snd_config_t **config, const char *key, + snd_config_type_t type); +int snd_config_make_integer(snd_config_t **config, const char *key); +int snd_config_make_integer64(snd_config_t **config, const char *key); +int snd_config_make_real(snd_config_t **config, const char *key); +int snd_config_make_string(snd_config_t **config, const char *key); +int snd_config_make_pointer(snd_config_t **config, const char *key); +int snd_config_make_compound(snd_config_t **config, const char *key, int join); + +int snd_config_imake_integer(snd_config_t **config, const char *key, const long value); +int snd_config_imake_integer64(snd_config_t **config, const char *key, const long long value); +int snd_config_imake_real(snd_config_t **config, const char *key, const double value); +int snd_config_imake_string(snd_config_t **config, const char *key, const char *ascii); +int snd_config_imake_safe_string(snd_config_t **config, const char *key, const char *ascii); +int snd_config_imake_pointer(snd_config_t **config, const char *key, const void *ptr); + +snd_config_type_t snd_config_get_type(const snd_config_t *config); + +int snd_config_set_id(snd_config_t *config, const char *id); +int snd_config_set_integer(snd_config_t *config, long value); +int snd_config_set_integer64(snd_config_t *config, long long value); +int snd_config_set_real(snd_config_t *config, double value); +int snd_config_set_string(snd_config_t *config, const char *value); +int snd_config_set_ascii(snd_config_t *config, const char *ascii); +int snd_config_set_pointer(snd_config_t *config, const void *ptr); +int snd_config_get_id(const snd_config_t *config, const char **value); +int snd_config_get_integer(const snd_config_t *config, long *value); +int snd_config_get_integer64(const snd_config_t *config, long long *value); +int snd_config_get_real(const snd_config_t *config, double *value); +int snd_config_get_ireal(const snd_config_t *config, double *value); +int snd_config_get_string(const snd_config_t *config, const char **value); +int snd_config_get_ascii(const snd_config_t *config, char **value); +int snd_config_get_pointer(const snd_config_t *config, const void **value); +int snd_config_test_id(const snd_config_t *config, const char *id); + +snd_config_iterator_t snd_config_iterator_first(const snd_config_t *node); +snd_config_iterator_t snd_config_iterator_next(const snd_config_iterator_t iterator); +snd_config_iterator_t snd_config_iterator_end(const snd_config_t *node); +snd_config_t *snd_config_iterator_entry(const snd_config_iterator_t iterator); + +/** + * \brief Helper macro to iterate over the children of a compound node. + * \param[in,out] pos Iterator variable for the current node. + * \param[in,out] next Temporary iterator variable for the next node. + * \param[in] node Handle to the compound configuration node to iterate over. + * + * Use this macro like a \c for statement, e.g.: + * \code + * snd_config_iterator_t pos, next; + * snd_config_for_each(pos, next, node) { + * snd_config_t *entry = snd_config_iterator_entry(pos); + * ... + * } + * \endcode + * + * This macro allows deleting or removing the current node. + */ +#define snd_config_for_each(pos, next, node) \ + for (pos = snd_config_iterator_first(node), next = snd_config_iterator_next(pos); pos != snd_config_iterator_end(node); pos = next, next = snd_config_iterator_next(pos)) + +/* Misc functions */ + +int snd_config_get_bool_ascii(const char *ascii); +int snd_config_get_bool(const snd_config_t *conf); +int snd_config_get_ctl_iface_ascii(const char *ascii); +int snd_config_get_ctl_iface(const snd_config_t *conf); + +/* Names functions */ + +/** + * Device-name list element + */ +typedef struct snd_devname snd_devname_t; + +/** + * Device-name list element (definition) + */ +struct snd_devname { + char *name; /**< Device name string */ + char *comment; /**< Comments */ + snd_devname_t *next; /**< Next pointer */ +}; + +int snd_names_list(const char *iface, snd_devname_t **list); +void snd_names_list_free(snd_devname_t *list); + +/** \} */ + +#ifdef __cplusplus +} +#endif + +#endif /* __ALSA_CONF_H */ diff --git a/alsa/include/alsa/control.h b/alsa/include/alsa/control.h new file mode 100644 index 0000000..1d4bfcb --- /dev/null +++ b/alsa/include/alsa/control.h @@ -0,0 +1,622 @@ +/** + * \file include/control.h + * \brief Application interface library for the ALSA driver + * \author Jaroslav Kysela + * \author Abramo Bagnara + * \author Takashi Iwai + * \date 1998-2001 + * + * Application interface library for the ALSA driver + */ +/* + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __ALSA_CONTROL_H +#define __ALSA_CONTROL_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \defgroup Control Control Interface + * The control interface. + * See \ref control page for more details. + * \{ + */ + +/** dlsym version for interface entry callback */ +#define SND_CONTROL_DLSYM_VERSION _dlsym_control_001 + +/** IEC958 structure */ +typedef struct snd_aes_iec958 { + unsigned char status[24]; /**< AES/IEC958 channel status bits */ + unsigned char subcode[147]; /**< AES/IEC958 subcode bits */ + unsigned char pad; /**< nothing */ + unsigned char dig_subframe[4]; /**< AES/IEC958 subframe bits */ +} snd_aes_iec958_t; + +/** CTL card info container */ +typedef struct _snd_ctl_card_info snd_ctl_card_info_t; + +/** CTL element identifier container */ +typedef struct _snd_ctl_elem_id snd_ctl_elem_id_t; + +/** CTL element identifier list container */ +typedef struct _snd_ctl_elem_list snd_ctl_elem_list_t; + +/** CTL element info container */ +typedef struct _snd_ctl_elem_info snd_ctl_elem_info_t; + +/** CTL element value container */ +typedef struct _snd_ctl_elem_value snd_ctl_elem_value_t; + +/** CTL event container */ +typedef struct _snd_ctl_event snd_ctl_event_t; + +/** CTL element type */ +typedef enum _snd_ctl_elem_type { + /** Invalid type */ + SND_CTL_ELEM_TYPE_NONE = 0, + /** Boolean contents */ + SND_CTL_ELEM_TYPE_BOOLEAN, + /** Integer contents */ + SND_CTL_ELEM_TYPE_INTEGER, + /** Enumerated contents */ + SND_CTL_ELEM_TYPE_ENUMERATED, + /** Bytes contents */ + SND_CTL_ELEM_TYPE_BYTES, + /** IEC958 (S/PDIF) setting content */ + SND_CTL_ELEM_TYPE_IEC958, + /** 64-bit integer contents */ + SND_CTL_ELEM_TYPE_INTEGER64, + SND_CTL_ELEM_TYPE_LAST = SND_CTL_ELEM_TYPE_INTEGER64 +} snd_ctl_elem_type_t; + +/** CTL related interface */ +typedef enum _snd_ctl_elem_iface { + /** Card level */ + SND_CTL_ELEM_IFACE_CARD = 0, + /** Hardware dependent device */ + SND_CTL_ELEM_IFACE_HWDEP, + /** Mixer */ + SND_CTL_ELEM_IFACE_MIXER, + /** PCM */ + SND_CTL_ELEM_IFACE_PCM, + /** RawMidi */ + SND_CTL_ELEM_IFACE_RAWMIDI, + /** Timer */ + SND_CTL_ELEM_IFACE_TIMER, + /** Sequencer */ + SND_CTL_ELEM_IFACE_SEQUENCER, + SND_CTL_ELEM_IFACE_LAST = SND_CTL_ELEM_IFACE_SEQUENCER +} snd_ctl_elem_iface_t; + +/** Event class */ +typedef enum _snd_ctl_event_type { + /** Elements related event */ + SND_CTL_EVENT_ELEM = 0, + SND_CTL_EVENT_LAST = SND_CTL_EVENT_ELEM +}snd_ctl_event_type_t; + +/** Element has been removed (Warning: test this first and if set don't + * test the other masks) \hideinitializer */ +#define SND_CTL_EVENT_MASK_REMOVE (~0U) +/** Element value has been changed \hideinitializer */ +#define SND_CTL_EVENT_MASK_VALUE (1<<0) +/** Element info has been changed \hideinitializer */ +#define SND_CTL_EVENT_MASK_INFO (1<<1) +/** Element has been added \hideinitializer */ +#define SND_CTL_EVENT_MASK_ADD (1<<2) +/** Element's TLV value has been changed \hideinitializer */ +#define SND_CTL_EVENT_MASK_TLV (1<<3) + +/** CTL name helper */ +#define SND_CTL_NAME_NONE "" +/** CTL name helper */ +#define SND_CTL_NAME_PLAYBACK "Playback " +/** CTL name helper */ +#define SND_CTL_NAME_CAPTURE "Capture " + +/** CTL name helper */ +#define SND_CTL_NAME_IEC958_NONE "" +/** CTL name helper */ +#define SND_CTL_NAME_IEC958_SWITCH "Switch" +/** CTL name helper */ +#define SND_CTL_NAME_IEC958_VOLUME "Volume" +/** CTL name helper */ +#define SND_CTL_NAME_IEC958_DEFAULT "Default" +/** CTL name helper */ +#define SND_CTL_NAME_IEC958_MASK "Mask" +/** CTL name helper */ +#define SND_CTL_NAME_IEC958_CON_MASK "Con Mask" +/** CTL name helper */ +#define SND_CTL_NAME_IEC958_PRO_MASK "Pro Mask" +/** CTL name helper */ +#define SND_CTL_NAME_IEC958_PCM_STREAM "PCM Stream" +/** Element name for IEC958 (S/PDIF) */ +#define SND_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SND_CTL_NAME_##direction SND_CTL_NAME_IEC958_##what + +/** Mask for the major Power State identifier */ +#define SND_CTL_POWER_MASK 0xff00 +/** ACPI/PCI Power State D0 */ +#define SND_CTL_POWER_D0 0x0000 +/** ACPI/PCI Power State D1 */ +#define SND_CTL_POWER_D1 0x0100 +/** ACPI/PCI Power State D2 */ +#define SND_CTL_POWER_D2 0x0200 +/** ACPI/PCI Power State D3 */ +#define SND_CTL_POWER_D3 0x0300 +/** ACPI/PCI Power State D3hot */ +#define SND_CTL_POWER_D3hot (SND_CTL_POWER_D3|0x0000) +/** ACPI/PCI Power State D3cold */ +#define SND_CTL_POWER_D3cold (SND_CTL_POWER_D3|0x0001) + +/** TLV type - Container */ +#define SND_CTL_TLVT_CONTAINER 0x0000 +/** TLV type - basic dB scale */ +#define SND_CTL_TLVT_DB_SCALE 0x0001 +/** TLV type - linear volume */ +#define SND_CTL_TLVT_DB_LINEAR 0x0002 +/** TLV type - dB range container */ +#define SND_CTL_TLVT_DB_RANGE 0x0003 +/** TLV type - dB scale specified by min/max values */ +#define SND_CTL_TLVT_DB_MINMAX 0x0004 +/** TLV type - dB scale specified by min/max values (with mute) */ +#define SND_CTL_TLVT_DB_MINMAX_MUTE 0x0005 + +/** Mute state */ +#define SND_CTL_TLV_DB_GAIN_MUTE -9999999 + +/** TLV type - fixed channel map positions */ +#define SND_CTL_TLVT_CHMAP_FIXED 0x00101 +/** TLV type - freely swappable channel map positions */ +#define SND_CTL_TLVT_CHMAP_VAR 0x00102 +/** TLV type - pair-wise swappable channel map positions */ +#define SND_CTL_TLVT_CHMAP_PAIRED 0x00103 + +/** CTL type */ +typedef enum _snd_ctl_type { + /** Kernel level CTL */ + SND_CTL_TYPE_HW, + /** Shared memory client CTL */ + SND_CTL_TYPE_SHM, + /** INET client CTL (not yet implemented) */ + SND_CTL_TYPE_INET, + /** External control plugin */ + SND_CTL_TYPE_EXT +} snd_ctl_type_t; + +/** Non blocking mode (flag for open mode) \hideinitializer */ +#define SND_CTL_NONBLOCK 0x0001 + +/** Async notification (flag for open mode) \hideinitializer */ +#define SND_CTL_ASYNC 0x0002 + +/** Read only (flag for open mode) \hideinitializer */ +#define SND_CTL_READONLY 0x0004 + +/** CTL handle */ +typedef struct _snd_ctl snd_ctl_t; + +/** Don't destroy the ctl handle when close */ +#define SND_SCTL_NOFREE 0x0001 + +/** SCTL type */ +typedef struct _snd_sctl snd_sctl_t; + +int snd_card_load(int card); +int snd_card_next(int *card); +int snd_card_get_index(const char *name); +int snd_card_get_name(int card, char **name); +int snd_card_get_longname(int card, char **name); + +int snd_device_name_hint(int card, const char *iface, void ***hints); +int snd_device_name_free_hint(void **hints); +char *snd_device_name_get_hint(const void *hint, const char *id); + +int snd_ctl_open(snd_ctl_t **ctl, const char *name, int mode); +int snd_ctl_open_lconf(snd_ctl_t **ctl, const char *name, int mode, snd_config_t *lconf); +int snd_ctl_open_fallback(snd_ctl_t **ctl, snd_config_t *root, const char *name, const char *orig_name, int mode); +int snd_ctl_close(snd_ctl_t *ctl); +int snd_ctl_nonblock(snd_ctl_t *ctl, int nonblock); +static __inline__ int snd_ctl_abort(snd_ctl_t *ctl) { return snd_ctl_nonblock(ctl, 2); } +int snd_async_add_ctl_handler(snd_async_handler_t **handler, snd_ctl_t *ctl, + snd_async_callback_t callback, void *private_data); +snd_ctl_t *snd_async_handler_get_ctl(snd_async_handler_t *handler); +int snd_ctl_poll_descriptors_count(snd_ctl_t *ctl); +int snd_ctl_poll_descriptors(snd_ctl_t *ctl, struct pollfd *pfds, unsigned int space); +int snd_ctl_poll_descriptors_revents(snd_ctl_t *ctl, struct pollfd *pfds, unsigned int nfds, unsigned short *revents); +int snd_ctl_subscribe_events(snd_ctl_t *ctl, int subscribe); +int snd_ctl_card_info(snd_ctl_t *ctl, snd_ctl_card_info_t *info); +int snd_ctl_elem_list(snd_ctl_t *ctl, snd_ctl_elem_list_t *list); +int snd_ctl_elem_info(snd_ctl_t *ctl, snd_ctl_elem_info_t *info); +int snd_ctl_elem_read(snd_ctl_t *ctl, snd_ctl_elem_value_t *data); +int snd_ctl_elem_write(snd_ctl_t *ctl, snd_ctl_elem_value_t *data); +int snd_ctl_elem_lock(snd_ctl_t *ctl, snd_ctl_elem_id_t *id); +int snd_ctl_elem_unlock(snd_ctl_t *ctl, snd_ctl_elem_id_t *id); +int snd_ctl_elem_tlv_read(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id, + unsigned int *tlv, unsigned int tlv_size); +int snd_ctl_elem_tlv_write(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id, + const unsigned int *tlv); +int snd_ctl_elem_tlv_command(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id, + const unsigned int *tlv); +#ifdef __ALSA_HWDEP_H +int snd_ctl_hwdep_next_device(snd_ctl_t *ctl, int * device); +int snd_ctl_hwdep_info(snd_ctl_t *ctl, snd_hwdep_info_t * info); +#endif +#ifdef __ALSA_PCM_H +int snd_ctl_pcm_next_device(snd_ctl_t *ctl, int *device); +int snd_ctl_pcm_info(snd_ctl_t *ctl, snd_pcm_info_t * info); +int snd_ctl_pcm_prefer_subdevice(snd_ctl_t *ctl, int subdev); +#endif +#ifdef __ALSA_RAWMIDI_H +int snd_ctl_rawmidi_next_device(snd_ctl_t *ctl, int * device); +int snd_ctl_rawmidi_info(snd_ctl_t *ctl, snd_rawmidi_info_t * info); +int snd_ctl_rawmidi_prefer_subdevice(snd_ctl_t *ctl, int subdev); +#endif +int snd_ctl_set_power_state(snd_ctl_t *ctl, unsigned int state); +int snd_ctl_get_power_state(snd_ctl_t *ctl, unsigned int *state); + +int snd_ctl_read(snd_ctl_t *ctl, snd_ctl_event_t *event); +int snd_ctl_wait(snd_ctl_t *ctl, int timeout); +const char *snd_ctl_name(snd_ctl_t *ctl); +snd_ctl_type_t snd_ctl_type(snd_ctl_t *ctl); + +const char *snd_ctl_elem_type_name(snd_ctl_elem_type_t type); +const char *snd_ctl_elem_iface_name(snd_ctl_elem_iface_t iface); +const char *snd_ctl_event_type_name(snd_ctl_event_type_t type); + +unsigned int snd_ctl_event_elem_get_mask(const snd_ctl_event_t *obj); +unsigned int snd_ctl_event_elem_get_numid(const snd_ctl_event_t *obj); +void snd_ctl_event_elem_get_id(const snd_ctl_event_t *obj, snd_ctl_elem_id_t *ptr); +snd_ctl_elem_iface_t snd_ctl_event_elem_get_interface(const snd_ctl_event_t *obj); +unsigned int snd_ctl_event_elem_get_device(const snd_ctl_event_t *obj); +unsigned int snd_ctl_event_elem_get_subdevice(const snd_ctl_event_t *obj); +const char *snd_ctl_event_elem_get_name(const snd_ctl_event_t *obj); +unsigned int snd_ctl_event_elem_get_index(const snd_ctl_event_t *obj); + +int snd_ctl_elem_list_alloc_space(snd_ctl_elem_list_t *obj, unsigned int entries); +void snd_ctl_elem_list_free_space(snd_ctl_elem_list_t *obj); + +char *snd_ctl_ascii_elem_id_get(snd_ctl_elem_id_t *id); +int snd_ctl_ascii_elem_id_parse(snd_ctl_elem_id_t *dst, const char *str); +int snd_ctl_ascii_value_parse(snd_ctl_t *handle, + snd_ctl_elem_value_t *dst, + snd_ctl_elem_info_t *info, + const char *value); + +size_t snd_ctl_elem_id_sizeof(void); +/** \hideinitializer + * \brief allocate an invalid #snd_ctl_elem_id_t using standard alloca + * \param ptr returned pointer + */ +#define snd_ctl_elem_id_alloca(ptr) __snd_alloca(ptr, snd_ctl_elem_id) +int snd_ctl_elem_id_malloc(snd_ctl_elem_id_t **ptr); +void snd_ctl_elem_id_free(snd_ctl_elem_id_t *obj); +void snd_ctl_elem_id_clear(snd_ctl_elem_id_t *obj); +void snd_ctl_elem_id_copy(snd_ctl_elem_id_t *dst, const snd_ctl_elem_id_t *src); +unsigned int snd_ctl_elem_id_get_numid(const snd_ctl_elem_id_t *obj); +snd_ctl_elem_iface_t snd_ctl_elem_id_get_interface(const snd_ctl_elem_id_t *obj); +unsigned int snd_ctl_elem_id_get_device(const snd_ctl_elem_id_t *obj); +unsigned int snd_ctl_elem_id_get_subdevice(const snd_ctl_elem_id_t *obj); +const char *snd_ctl_elem_id_get_name(const snd_ctl_elem_id_t *obj); +unsigned int snd_ctl_elem_id_get_index(const snd_ctl_elem_id_t *obj); +void snd_ctl_elem_id_set_numid(snd_ctl_elem_id_t *obj, unsigned int val); +void snd_ctl_elem_id_set_interface(snd_ctl_elem_id_t *obj, snd_ctl_elem_iface_t val); +void snd_ctl_elem_id_set_device(snd_ctl_elem_id_t *obj, unsigned int val); +void snd_ctl_elem_id_set_subdevice(snd_ctl_elem_id_t *obj, unsigned int val); +void snd_ctl_elem_id_set_name(snd_ctl_elem_id_t *obj, const char *val); +void snd_ctl_elem_id_set_index(snd_ctl_elem_id_t *obj, unsigned int val); + +size_t snd_ctl_card_info_sizeof(void); +/** \hideinitializer + * \brief allocate an invalid #snd_ctl_card_info_t using standard alloca + * \param ptr returned pointer + */ +#define snd_ctl_card_info_alloca(ptr) __snd_alloca(ptr, snd_ctl_card_info) +int snd_ctl_card_info_malloc(snd_ctl_card_info_t **ptr); +void snd_ctl_card_info_free(snd_ctl_card_info_t *obj); +void snd_ctl_card_info_clear(snd_ctl_card_info_t *obj); +void snd_ctl_card_info_copy(snd_ctl_card_info_t *dst, const snd_ctl_card_info_t *src); +int snd_ctl_card_info_get_card(const snd_ctl_card_info_t *obj); +const char *snd_ctl_card_info_get_id(const snd_ctl_card_info_t *obj); +const char *snd_ctl_card_info_get_driver(const snd_ctl_card_info_t *obj); +const char *snd_ctl_card_info_get_name(const snd_ctl_card_info_t *obj); +const char *snd_ctl_card_info_get_longname(const snd_ctl_card_info_t *obj); +const char *snd_ctl_card_info_get_mixername(const snd_ctl_card_info_t *obj); +const char *snd_ctl_card_info_get_components(const snd_ctl_card_info_t *obj); + +size_t snd_ctl_event_sizeof(void); +/** \hideinitializer + * \brief allocate an invalid #snd_ctl_event_t using standard alloca + * \param ptr returned pointer + */ +#define snd_ctl_event_alloca(ptr) __snd_alloca(ptr, snd_ctl_event) +int snd_ctl_event_malloc(snd_ctl_event_t **ptr); +void snd_ctl_event_free(snd_ctl_event_t *obj); +void snd_ctl_event_clear(snd_ctl_event_t *obj); +void snd_ctl_event_copy(snd_ctl_event_t *dst, const snd_ctl_event_t *src); +snd_ctl_event_type_t snd_ctl_event_get_type(const snd_ctl_event_t *obj); + +size_t snd_ctl_elem_list_sizeof(void); +/** \hideinitializer + * \brief allocate an invalid #snd_ctl_elem_list_t using standard alloca + * \param ptr returned pointer + */ +#define snd_ctl_elem_list_alloca(ptr) __snd_alloca(ptr, snd_ctl_elem_list) +int snd_ctl_elem_list_malloc(snd_ctl_elem_list_t **ptr); +void snd_ctl_elem_list_free(snd_ctl_elem_list_t *obj); +void snd_ctl_elem_list_clear(snd_ctl_elem_list_t *obj); +void snd_ctl_elem_list_copy(snd_ctl_elem_list_t *dst, const snd_ctl_elem_list_t *src); +void snd_ctl_elem_list_set_offset(snd_ctl_elem_list_t *obj, unsigned int val); +unsigned int snd_ctl_elem_list_get_used(const snd_ctl_elem_list_t *obj); +unsigned int snd_ctl_elem_list_get_count(const snd_ctl_elem_list_t *obj); +void snd_ctl_elem_list_get_id(const snd_ctl_elem_list_t *obj, unsigned int idx, snd_ctl_elem_id_t *ptr); +unsigned int snd_ctl_elem_list_get_numid(const snd_ctl_elem_list_t *obj, unsigned int idx); +snd_ctl_elem_iface_t snd_ctl_elem_list_get_interface(const snd_ctl_elem_list_t *obj, unsigned int idx); +unsigned int snd_ctl_elem_list_get_device(const snd_ctl_elem_list_t *obj, unsigned int idx); +unsigned int snd_ctl_elem_list_get_subdevice(const snd_ctl_elem_list_t *obj, unsigned int idx); +const char *snd_ctl_elem_list_get_name(const snd_ctl_elem_list_t *obj, unsigned int idx); +unsigned int snd_ctl_elem_list_get_index(const snd_ctl_elem_list_t *obj, unsigned int idx); + +size_t snd_ctl_elem_info_sizeof(void); +/** \hideinitializer + * \brief allocate an invalid #snd_ctl_elem_info_t using standard alloca + * \param ptr returned pointer + */ +#define snd_ctl_elem_info_alloca(ptr) __snd_alloca(ptr, snd_ctl_elem_info) +int snd_ctl_elem_info_malloc(snd_ctl_elem_info_t **ptr); +void snd_ctl_elem_info_free(snd_ctl_elem_info_t *obj); +void snd_ctl_elem_info_clear(snd_ctl_elem_info_t *obj); +void snd_ctl_elem_info_copy(snd_ctl_elem_info_t *dst, const snd_ctl_elem_info_t *src); +snd_ctl_elem_type_t snd_ctl_elem_info_get_type(const snd_ctl_elem_info_t *obj); +int snd_ctl_elem_info_is_readable(const snd_ctl_elem_info_t *obj); +int snd_ctl_elem_info_is_writable(const snd_ctl_elem_info_t *obj); +int snd_ctl_elem_info_is_volatile(const snd_ctl_elem_info_t *obj); +int snd_ctl_elem_info_is_inactive(const snd_ctl_elem_info_t *obj); +int snd_ctl_elem_info_is_locked(const snd_ctl_elem_info_t *obj); +int snd_ctl_elem_info_is_tlv_readable(const snd_ctl_elem_info_t *obj); +int snd_ctl_elem_info_is_tlv_writable(const snd_ctl_elem_info_t *obj); +int snd_ctl_elem_info_is_tlv_commandable(const snd_ctl_elem_info_t *obj); +int snd_ctl_elem_info_is_owner(const snd_ctl_elem_info_t *obj); +int snd_ctl_elem_info_is_user(const snd_ctl_elem_info_t *obj); +pid_t snd_ctl_elem_info_get_owner(const snd_ctl_elem_info_t *obj); +unsigned int snd_ctl_elem_info_get_count(const snd_ctl_elem_info_t *obj); +long snd_ctl_elem_info_get_min(const snd_ctl_elem_info_t *obj); +long snd_ctl_elem_info_get_max(const snd_ctl_elem_info_t *obj); +long snd_ctl_elem_info_get_step(const snd_ctl_elem_info_t *obj); +long long snd_ctl_elem_info_get_min64(const snd_ctl_elem_info_t *obj); +long long snd_ctl_elem_info_get_max64(const snd_ctl_elem_info_t *obj); +long long snd_ctl_elem_info_get_step64(const snd_ctl_elem_info_t *obj); +unsigned int snd_ctl_elem_info_get_items(const snd_ctl_elem_info_t *obj); +void snd_ctl_elem_info_set_item(snd_ctl_elem_info_t *obj, unsigned int val); +const char *snd_ctl_elem_info_get_item_name(const snd_ctl_elem_info_t *obj); +int snd_ctl_elem_info_get_dimensions(const snd_ctl_elem_info_t *obj); +int snd_ctl_elem_info_get_dimension(const snd_ctl_elem_info_t *obj, unsigned int idx); +int snd_ctl_elem_info_set_dimension(snd_ctl_elem_info_t *info, + const int dimension[4]); +void snd_ctl_elem_info_get_id(const snd_ctl_elem_info_t *obj, snd_ctl_elem_id_t *ptr); +unsigned int snd_ctl_elem_info_get_numid(const snd_ctl_elem_info_t *obj); +snd_ctl_elem_iface_t snd_ctl_elem_info_get_interface(const snd_ctl_elem_info_t *obj); +unsigned int snd_ctl_elem_info_get_device(const snd_ctl_elem_info_t *obj); +unsigned int snd_ctl_elem_info_get_subdevice(const snd_ctl_elem_info_t *obj); +const char *snd_ctl_elem_info_get_name(const snd_ctl_elem_info_t *obj); +unsigned int snd_ctl_elem_info_get_index(const snd_ctl_elem_info_t *obj); +void snd_ctl_elem_info_set_id(snd_ctl_elem_info_t *obj, const snd_ctl_elem_id_t *ptr); +void snd_ctl_elem_info_set_numid(snd_ctl_elem_info_t *obj, unsigned int val); +void snd_ctl_elem_info_set_interface(snd_ctl_elem_info_t *obj, snd_ctl_elem_iface_t val); +void snd_ctl_elem_info_set_device(snd_ctl_elem_info_t *obj, unsigned int val); +void snd_ctl_elem_info_set_subdevice(snd_ctl_elem_info_t *obj, unsigned int val); +void snd_ctl_elem_info_set_name(snd_ctl_elem_info_t *obj, const char *val); +void snd_ctl_elem_info_set_index(snd_ctl_elem_info_t *obj, unsigned int val); + +int snd_ctl_add_integer_elem_set(snd_ctl_t *ctl, snd_ctl_elem_info_t *info, + unsigned int element_count, + unsigned int member_count, + long min, long max, long step); +int snd_ctl_add_integer64_elem_set(snd_ctl_t *ctl, snd_ctl_elem_info_t *info, + unsigned int element_count, + unsigned int member_count, + long long min, long long max, + long long step); +int snd_ctl_add_boolean_elem_set(snd_ctl_t *ctl, snd_ctl_elem_info_t *info, + unsigned int element_count, + unsigned int member_count); +int snd_ctl_add_enumerated_elem_set(snd_ctl_t *ctl, snd_ctl_elem_info_t *info, + unsigned int element_count, + unsigned int member_count, + unsigned int items, + const char *const labels[]); +int snd_ctl_add_bytes_elem_set(snd_ctl_t *ctl, snd_ctl_elem_info_t *info, + unsigned int element_count, + unsigned int member_count); + +int snd_ctl_elem_add_integer(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id, unsigned int count, long imin, long imax, long istep); +int snd_ctl_elem_add_integer64(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id, unsigned int count, long long imin, long long imax, long long istep); +int snd_ctl_elem_add_boolean(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id, unsigned int count); +int snd_ctl_elem_add_enumerated(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id, unsigned int count, unsigned int items, const char *const names[]); +int snd_ctl_elem_add_iec958(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id); +int snd_ctl_elem_remove(snd_ctl_t *ctl, snd_ctl_elem_id_t *id); + +size_t snd_ctl_elem_value_sizeof(void); +/** \hideinitializer + * \brief allocate an invalid #snd_ctl_elem_value_t using standard alloca + * \param ptr returned pointer + */ +#define snd_ctl_elem_value_alloca(ptr) __snd_alloca(ptr, snd_ctl_elem_value) +int snd_ctl_elem_value_malloc(snd_ctl_elem_value_t **ptr); +void snd_ctl_elem_value_free(snd_ctl_elem_value_t *obj); +void snd_ctl_elem_value_clear(snd_ctl_elem_value_t *obj); +void snd_ctl_elem_value_copy(snd_ctl_elem_value_t *dst, const snd_ctl_elem_value_t *src); +int snd_ctl_elem_value_compare(snd_ctl_elem_value_t *left, const snd_ctl_elem_value_t *right); +void snd_ctl_elem_value_get_id(const snd_ctl_elem_value_t *obj, snd_ctl_elem_id_t *ptr); +unsigned int snd_ctl_elem_value_get_numid(const snd_ctl_elem_value_t *obj); +snd_ctl_elem_iface_t snd_ctl_elem_value_get_interface(const snd_ctl_elem_value_t *obj); +unsigned int snd_ctl_elem_value_get_device(const snd_ctl_elem_value_t *obj); +unsigned int snd_ctl_elem_value_get_subdevice(const snd_ctl_elem_value_t *obj); +const char *snd_ctl_elem_value_get_name(const snd_ctl_elem_value_t *obj); +unsigned int snd_ctl_elem_value_get_index(const snd_ctl_elem_value_t *obj); +void snd_ctl_elem_value_set_id(snd_ctl_elem_value_t *obj, const snd_ctl_elem_id_t *ptr); +void snd_ctl_elem_value_set_numid(snd_ctl_elem_value_t *obj, unsigned int val); +void snd_ctl_elem_value_set_interface(snd_ctl_elem_value_t *obj, snd_ctl_elem_iface_t val); +void snd_ctl_elem_value_set_device(snd_ctl_elem_value_t *obj, unsigned int val); +void snd_ctl_elem_value_set_subdevice(snd_ctl_elem_value_t *obj, unsigned int val); +void snd_ctl_elem_value_set_name(snd_ctl_elem_value_t *obj, const char *val); +void snd_ctl_elem_value_set_index(snd_ctl_elem_value_t *obj, unsigned int val); +int snd_ctl_elem_value_get_boolean(const snd_ctl_elem_value_t *obj, unsigned int idx); +long snd_ctl_elem_value_get_integer(const snd_ctl_elem_value_t *obj, unsigned int idx); +long long snd_ctl_elem_value_get_integer64(const snd_ctl_elem_value_t *obj, unsigned int idx); +unsigned int snd_ctl_elem_value_get_enumerated(const snd_ctl_elem_value_t *obj, unsigned int idx); +unsigned char snd_ctl_elem_value_get_byte(const snd_ctl_elem_value_t *obj, unsigned int idx); +void snd_ctl_elem_value_set_boolean(snd_ctl_elem_value_t *obj, unsigned int idx, long val); +void snd_ctl_elem_value_set_integer(snd_ctl_elem_value_t *obj, unsigned int idx, long val); +void snd_ctl_elem_value_set_integer64(snd_ctl_elem_value_t *obj, unsigned int idx, long long val); +void snd_ctl_elem_value_set_enumerated(snd_ctl_elem_value_t *obj, unsigned int idx, unsigned int val); +void snd_ctl_elem_value_set_byte(snd_ctl_elem_value_t *obj, unsigned int idx, unsigned char val); +void snd_ctl_elem_set_bytes(snd_ctl_elem_value_t *obj, void *data, size_t size); +const void * snd_ctl_elem_value_get_bytes(const snd_ctl_elem_value_t *obj); +void snd_ctl_elem_value_get_iec958(const snd_ctl_elem_value_t *obj, snd_aes_iec958_t *ptr); +void snd_ctl_elem_value_set_iec958(snd_ctl_elem_value_t *obj, const snd_aes_iec958_t *ptr); + +int snd_tlv_parse_dB_info(unsigned int *tlv, unsigned int tlv_size, + unsigned int **db_tlvp); +int snd_tlv_get_dB_range(unsigned int *tlv, long rangemin, long rangemax, + long *min, long *max); +int snd_tlv_convert_to_dB(unsigned int *tlv, long rangemin, long rangemax, + long volume, long *db_gain); +int snd_tlv_convert_from_dB(unsigned int *tlv, long rangemin, long rangemax, + long db_gain, long *value, int xdir); +int snd_ctl_get_dB_range(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id, + long *min, long *max); +int snd_ctl_convert_to_dB(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id, + long volume, long *db_gain); +int snd_ctl_convert_from_dB(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id, + long db_gain, long *value, int xdir); + +/** + * \defgroup HControl High level Control Interface + * \ingroup Control + * The high level control interface. + * See \ref hcontrol page for more details. + * \{ + */ + +/** HCTL element handle */ +typedef struct _snd_hctl_elem snd_hctl_elem_t; + +/** HCTL handle */ +typedef struct _snd_hctl snd_hctl_t; + +/** + * \brief Compare function for sorting HCTL elements + * \param e1 First element + * \param e2 Second element + * \return -1 if e1 < e2, 0 if e1 == e2, 1 if e1 > e2 + */ +typedef int (*snd_hctl_compare_t)(const snd_hctl_elem_t *e1, + const snd_hctl_elem_t *e2); +int snd_hctl_compare_fast(const snd_hctl_elem_t *c1, + const snd_hctl_elem_t *c2); +/** + * \brief HCTL callback function + * \param hctl HCTL handle + * \param mask event mask + * \param elem related HCTL element (if any) + * \return 0 on success otherwise a negative error code + */ +typedef int (*snd_hctl_callback_t)(snd_hctl_t *hctl, + unsigned int mask, + snd_hctl_elem_t *elem); +/** + * \brief HCTL element callback function + * \param elem HCTL element + * \param mask event mask + * \return 0 on success otherwise a negative error code + */ +typedef int (*snd_hctl_elem_callback_t)(snd_hctl_elem_t *elem, + unsigned int mask); + +int snd_hctl_open(snd_hctl_t **hctl, const char *name, int mode); +int snd_hctl_open_ctl(snd_hctl_t **hctlp, snd_ctl_t *ctl); +int snd_hctl_close(snd_hctl_t *hctl); +int snd_hctl_nonblock(snd_hctl_t *hctl, int nonblock); +static __inline__ int snd_hctl_abort(snd_hctl_t *hctl) { return snd_hctl_nonblock(hctl, 2); } +int snd_hctl_poll_descriptors_count(snd_hctl_t *hctl); +int snd_hctl_poll_descriptors(snd_hctl_t *hctl, struct pollfd *pfds, unsigned int space); +int snd_hctl_poll_descriptors_revents(snd_hctl_t *ctl, struct pollfd *pfds, unsigned int nfds, unsigned short *revents); +unsigned int snd_hctl_get_count(snd_hctl_t *hctl); +int snd_hctl_set_compare(snd_hctl_t *hctl, snd_hctl_compare_t hsort); +snd_hctl_elem_t *snd_hctl_first_elem(snd_hctl_t *hctl); +snd_hctl_elem_t *snd_hctl_last_elem(snd_hctl_t *hctl); +snd_hctl_elem_t *snd_hctl_find_elem(snd_hctl_t *hctl, const snd_ctl_elem_id_t *id); +void snd_hctl_set_callback(snd_hctl_t *hctl, snd_hctl_callback_t callback); +void snd_hctl_set_callback_private(snd_hctl_t *hctl, void *data); +void *snd_hctl_get_callback_private(snd_hctl_t *hctl); +int snd_hctl_load(snd_hctl_t *hctl); +int snd_hctl_free(snd_hctl_t *hctl); +int snd_hctl_handle_events(snd_hctl_t *hctl); +const char *snd_hctl_name(snd_hctl_t *hctl); +int snd_hctl_wait(snd_hctl_t *hctl, int timeout); +snd_ctl_t *snd_hctl_ctl(snd_hctl_t *hctl); + +snd_hctl_elem_t *snd_hctl_elem_next(snd_hctl_elem_t *elem); +snd_hctl_elem_t *snd_hctl_elem_prev(snd_hctl_elem_t *elem); +int snd_hctl_elem_info(snd_hctl_elem_t *elem, snd_ctl_elem_info_t * info); +int snd_hctl_elem_read(snd_hctl_elem_t *elem, snd_ctl_elem_value_t * value); +int snd_hctl_elem_write(snd_hctl_elem_t *elem, snd_ctl_elem_value_t * value); +int snd_hctl_elem_tlv_read(snd_hctl_elem_t *elem, unsigned int *tlv, unsigned int tlv_size); +int snd_hctl_elem_tlv_write(snd_hctl_elem_t *elem, const unsigned int *tlv); +int snd_hctl_elem_tlv_command(snd_hctl_elem_t *elem, const unsigned int *tlv); + +snd_hctl_t *snd_hctl_elem_get_hctl(snd_hctl_elem_t *elem); + +void snd_hctl_elem_get_id(const snd_hctl_elem_t *obj, snd_ctl_elem_id_t *ptr); +unsigned int snd_hctl_elem_get_numid(const snd_hctl_elem_t *obj); +snd_ctl_elem_iface_t snd_hctl_elem_get_interface(const snd_hctl_elem_t *obj); +unsigned int snd_hctl_elem_get_device(const snd_hctl_elem_t *obj); +unsigned int snd_hctl_elem_get_subdevice(const snd_hctl_elem_t *obj); +const char *snd_hctl_elem_get_name(const snd_hctl_elem_t *obj); +unsigned int snd_hctl_elem_get_index(const snd_hctl_elem_t *obj); +void snd_hctl_elem_set_callback(snd_hctl_elem_t *obj, snd_hctl_elem_callback_t val); +void * snd_hctl_elem_get_callback_private(const snd_hctl_elem_t *obj); +void snd_hctl_elem_set_callback_private(snd_hctl_elem_t *obj, void * val); + +/** \} */ + +/** \} */ + +/** + * \defgroup SControl Setup Control Interface + * \ingroup Control + * The setup control interface - set or modify control elements from a configuration file. + * \{ + */ + +int snd_sctl_build(snd_sctl_t **ctl, snd_ctl_t *handle, snd_config_t *config, + snd_config_t *private_data, int mode); +int snd_sctl_free(snd_sctl_t *handle); +int snd_sctl_install(snd_sctl_t *handle); +int snd_sctl_remove(snd_sctl_t *handle); + +/** \} */ + +#ifdef __cplusplus +} +#endif + +#endif /* __ALSA_CONTROL_H */ diff --git a/alsa/include/alsa/error.h b/alsa/include/alsa/error.h new file mode 100644 index 0000000..38ee070 --- /dev/null +++ b/alsa/include/alsa/error.h @@ -0,0 +1,85 @@ +/** + * \file include/error.h + * \brief Application interface library for the ALSA driver + * \author Jaroslav Kysela + * \author Abramo Bagnara + * \author Takashi Iwai + * \date 1998-2001 + * + * Application interface library for the ALSA driver + */ +/* + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __ALSA_ERROR_H +#define __ALSA_ERROR_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \defgroup Error Error handling + * Error handling macros and functions. + * \{ + */ + +#define SND_ERROR_BEGIN 500000 /**< Lower boundary of sound error codes. */ +#define SND_ERROR_INCOMPATIBLE_VERSION (SND_ERROR_BEGIN+0) /**< Kernel/library protocols are not compatible. */ +#define SND_ERROR_ALISP_NIL (SND_ERROR_BEGIN+1) /**< Lisp encountered an error during acall. */ + +const char *snd_strerror(int errnum); + +/** + * \brief Error handler callback. + * \param file Source file name. + * \param line Line number. + * \param function Function name. + * \param err Value of \c errno, or 0 if not relevant. + * \param fmt \c printf(3) format. + * \param ... \c printf(3) arguments. + * + * A function of this type is called by the ALSA library when an error occurs. + * This function usually shows the message on the screen, and/or logs it. + */ +typedef void (*snd_lib_error_handler_t)(const char *file, int line, const char *function, int err, const char *fmt, ...) /* __attribute__ ((format (printf, 5, 6))) */; +extern snd_lib_error_handler_t snd_lib_error; +extern int snd_lib_error_set_handler(snd_lib_error_handler_t handler); + +#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 95) +#define SNDERR(...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, 0, __VA_ARGS__) /**< Shows a sound error message. */ +#define SYSERR(...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, errno, __VA_ARGS__) /**< Shows a system error message (related to \c errno). */ +#else +#define SNDERR(args...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, 0, ##args) /**< Shows a sound error message. */ +#define SYSERR(args...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, errno, ##args) /**< Shows a system error message (related to \c errno). */ +#endif + +/** \} */ + +#ifdef __cplusplus +} +#endif + +/** Local error handler function type */ +typedef void (*snd_local_error_handler_t)(const char *file, int line, + const char *func, int err, + const char *fmt, va_list arg); + +snd_local_error_handler_t snd_lib_error_set_local(snd_local_error_handler_t func); + +#endif /* __ALSA_ERROR_H */ + diff --git a/alsa/include/alsa/global.h b/alsa/include/alsa/global.h new file mode 100644 index 0000000..16a26dc --- /dev/null +++ b/alsa/include/alsa/global.h @@ -0,0 +1,161 @@ +/** + * \file include/global.h + * \brief Application interface library for the ALSA driver + * \author Jaroslav Kysela + * \author Abramo Bagnara + * \author Takashi Iwai + * \date 1998-2001 + * + * Application interface library for the ALSA driver + */ +/* + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __ALSA_GLOBAL_H_ +#define __ALSA_GLOBAL_H_ + +/* for timeval and timespec */ +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \defgroup Global Global defines and functions + * Global defines and functions. + * \par + * The ALSA library implementation uses these macros and functions. + * Most applications probably do not need them. + * \{ + */ + +const char *snd_asoundlib_version(void); + +#ifndef ATTRIBUTE_UNUSED +/** do not print warning (gcc) when function parameter is not used */ +#define ATTRIBUTE_UNUSED __attribute__ ((__unused__)) +#endif + +#ifdef PIC /* dynamic build */ + +/** \hideinitializer \brief Helper macro for #SND_DLSYM_BUILD_VERSION. */ +#define __SND_DLSYM_VERSION(name, version) _ ## name ## version +/** + * \hideinitializer + * \brief Appends the build version to the name of a versioned dynamic symbol. + */ +#define SND_DLSYM_BUILD_VERSION(name, version) char __SND_DLSYM_VERSION(name, version); + +#else /* static build */ + +struct snd_dlsym_link { + struct snd_dlsym_link *next; + const char *dlsym_name; + const void *dlsym_ptr; +}; + +extern struct snd_dlsym_link *snd_dlsym_start; + +/** \hideinitializer \brief Helper macro for #SND_DLSYM_BUILD_VERSION. */ +#define __SND_DLSYM_VERSION(prefix, name, version) _ ## prefix ## name ## version +/** + * \hideinitializer + * \brief Appends the build version to the name of a versioned dynamic symbol. + */ +#define SND_DLSYM_BUILD_VERSION(name, version) \ + static struct snd_dlsym_link __SND_DLSYM_VERSION(snd_dlsym_, name, version); \ + void __SND_DLSYM_VERSION(snd_dlsym_constructor_, name, version) (void) __attribute__ ((constructor)); \ + void __SND_DLSYM_VERSION(snd_dlsym_constructor_, name, version) (void) { \ + __SND_DLSYM_VERSION(snd_dlsym_, name, version).next = snd_dlsym_start; \ + __SND_DLSYM_VERSION(snd_dlsym_, name, version).dlsym_name = # name; \ + __SND_DLSYM_VERSION(snd_dlsym_, name, version).dlsym_ptr = (void *)&name; \ + snd_dlsym_start = &__SND_DLSYM_VERSION(snd_dlsym_, name, version); \ + } + +#endif + +#ifndef __STRING +/** \brief Return 'x' argument as string */ +#define __STRING(x) #x +#endif + +/** \brief Returns the version of a dynamic symbol as a string. */ +#define SND_DLSYM_VERSION(version) __STRING(version) + +void *snd_dlopen(const char *file, int mode); +void *snd_dlsym(void *handle, const char *name, const char *version); +int snd_dlclose(void *handle); + + +/** \brief alloca helper macro. */ +#define __snd_alloca(ptr,type) do { *ptr = (type##_t *) alloca(type##_sizeof()); memset(*ptr, 0, type##_sizeof()); } while (0) + +/** + * \brief Internal structure for an async notification client handler. + * + * The ALSA library uses a pointer to this structure as a handle to an async + * notification object. Applications don't access its contents directly. + */ +typedef struct _snd_async_handler snd_async_handler_t; + +/** + * \brief Async notification callback. + * + * See the #snd_async_add_handler function for details. + */ +typedef void (*snd_async_callback_t)(snd_async_handler_t *handler); + +int snd_async_add_handler(snd_async_handler_t **handler, int fd, + snd_async_callback_t callback, void *private_data); +int snd_async_del_handler(snd_async_handler_t *handler); +int snd_async_handler_get_fd(snd_async_handler_t *handler); +int snd_async_handler_get_signo(snd_async_handler_t *handler); +void *snd_async_handler_get_callback_private(snd_async_handler_t *handler); + +struct snd_shm_area *snd_shm_area_create(int shmid, void *ptr); +struct snd_shm_area *snd_shm_area_share(struct snd_shm_area *area); +int snd_shm_area_destroy(struct snd_shm_area *area); + +int snd_user_file(const char *file, char **result); + +#ifdef __GLIBC__ +#if !defined(_POSIX_C_SOURCE) && !defined(_POSIX_SOURCE) +struct timeval { + time_t tv_sec; /* seconds */ + long tv_usec; /* microseconds */ +}; + +struct timespec { + time_t tv_sec; /* seconds */ + long tv_nsec; /* nanoseconds */ +}; +#endif +#endif + +/** Timestamp */ +typedef struct timeval snd_timestamp_t; +/** Hi-res timestamp */ +typedef struct timespec snd_htimestamp_t; + +/** \} */ + +#ifdef __cplusplus +} +#endif + +#endif /* __ALSA_GLOBAL_H */ diff --git a/alsa/include/alsa/hwdep.h b/alsa/include/alsa/hwdep.h new file mode 100644 index 0000000..2fe78cd --- /dev/null +++ b/alsa/include/alsa/hwdep.h @@ -0,0 +1,169 @@ +/** + * \file include/hwdep.h + * \brief Application interface library for the ALSA driver + * \author Jaroslav Kysela + * \author Abramo Bagnara + * \author Takashi Iwai + * \date 1998-2001 + * + * Application interface library for the ALSA driver + */ +/* + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __ALSA_HWDEP_H +#define __ALSA_HWDEP_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \defgroup HwDep Hardware Dependant Interface + * The Hardware Dependant Interface. + * \{ + */ + +/** dlsym version for interface entry callback */ +#define SND_HWDEP_DLSYM_VERSION _dlsym_hwdep_001 + +/** HwDep information container */ +typedef struct _snd_hwdep_info snd_hwdep_info_t; + +/** HwDep DSP status container */ +typedef struct _snd_hwdep_dsp_status snd_hwdep_dsp_status_t; + +/** HwDep DSP image container */ +typedef struct _snd_hwdep_dsp_image snd_hwdep_dsp_image_t; + +/** HwDep interface */ +typedef enum _snd_hwdep_iface { + SND_HWDEP_IFACE_OPL2 = 0, /**< OPL2 raw driver */ + SND_HWDEP_IFACE_OPL3, /**< OPL3 raw driver */ + SND_HWDEP_IFACE_OPL4, /**< OPL4 raw driver */ + SND_HWDEP_IFACE_SB16CSP, /**< SB16CSP driver */ + SND_HWDEP_IFACE_EMU10K1, /**< EMU10K1 driver */ + SND_HWDEP_IFACE_YSS225, /**< YSS225 driver */ + SND_HWDEP_IFACE_ICS2115, /**< ICS2115 driver */ + SND_HWDEP_IFACE_SSCAPE, /**< Ensoniq SoundScape ISA card (MC68EC000) */ + SND_HWDEP_IFACE_VX, /**< Digigram VX cards */ + SND_HWDEP_IFACE_MIXART, /**< Digigram miXart cards */ + SND_HWDEP_IFACE_USX2Y, /**< Tascam US122, US224 & US428 usb */ + SND_HWDEP_IFACE_EMUX_WAVETABLE, /**< EmuX wavetable */ + SND_HWDEP_IFACE_BLUETOOTH, /**< Bluetooth audio */ + SND_HWDEP_IFACE_USX2Y_PCM, /**< Tascam US122, US224 & US428 raw USB PCM */ + SND_HWDEP_IFACE_PCXHR, /**< Digigram PCXHR */ + SND_HWDEP_IFACE_SB_RC, /**< SB Extigy/Audigy2NX remote control */ + SND_HWDEP_IFACE_HDA, /**< HD-audio */ + SND_HWDEP_IFACE_USB_STREAM, /**< direct access to usb stream */ + SND_HWDEP_IFACE_FW_DICE, /**< TC DICE FireWire device */ + SND_HWDEP_IFACE_FW_FIREWORKS, /**< Echo Audio Fireworks based device */ + SND_HWDEP_IFACE_FW_BEBOB, /**< BridgeCo BeBoB based device */ + SND_HWDEP_IFACE_FW_OXFW, /**< Oxford OXFW970/971 based device */ + SND_HWDEP_IFACE_FW_DIGI00X, /* Digidesign Digi 002/003 family */ + SND_HWDEP_IFACE_FW_TASCAM, /* TASCAM FireWire series */ + + SND_HWDEP_IFACE_LAST = SND_HWDEP_IFACE_FW_TASCAM /**< last known hwdep interface */ +} snd_hwdep_iface_t; + +/** open for reading */ +#define SND_HWDEP_OPEN_READ (O_RDONLY) +/** open for writing */ +#define SND_HWDEP_OPEN_WRITE (O_WRONLY) +/** open for reading and writing */ +#define SND_HWDEP_OPEN_DUPLEX (O_RDWR) +/** open mode flag: open in nonblock mode */ +#define SND_HWDEP_OPEN_NONBLOCK (O_NONBLOCK) + +/** HwDep handle type */ +typedef enum _snd_hwdep_type { + /** Kernel level HwDep */ + SND_HWDEP_TYPE_HW, + /** Shared memory client HwDep (not yet implemented) */ + SND_HWDEP_TYPE_SHM, + /** INET client HwDep (not yet implemented) */ + SND_HWDEP_TYPE_INET +} snd_hwdep_type_t; + +/** HwDep handle */ +typedef struct _snd_hwdep snd_hwdep_t; + +int snd_hwdep_open(snd_hwdep_t **hwdep, const char *name, int mode); +int snd_hwdep_close(snd_hwdep_t *hwdep); +int snd_hwdep_poll_descriptors(snd_hwdep_t *hwdep, struct pollfd *pfds, unsigned int space); +int snd_hwdep_poll_descriptors_count(snd_hwdep_t *hwdep); +int snd_hwdep_poll_descriptors_revents(snd_hwdep_t *hwdep, struct pollfd *pfds, unsigned int nfds, unsigned short *revents); +int snd_hwdep_nonblock(snd_hwdep_t *hwdep, int nonblock); +int snd_hwdep_info(snd_hwdep_t *hwdep, snd_hwdep_info_t * info); +int snd_hwdep_dsp_status(snd_hwdep_t *hwdep, snd_hwdep_dsp_status_t *status); +int snd_hwdep_dsp_load(snd_hwdep_t *hwdep, snd_hwdep_dsp_image_t *block); +int snd_hwdep_ioctl(snd_hwdep_t *hwdep, unsigned int request, void * arg); +ssize_t snd_hwdep_write(snd_hwdep_t *hwdep, const void *buffer, size_t size); +ssize_t snd_hwdep_read(snd_hwdep_t *hwdep, void *buffer, size_t size); + +size_t snd_hwdep_info_sizeof(void); +/** allocate #snd_hwdep_info_t container on stack */ +#define snd_hwdep_info_alloca(ptr) __snd_alloca(ptr, snd_hwdep_info) +int snd_hwdep_info_malloc(snd_hwdep_info_t **ptr); +void snd_hwdep_info_free(snd_hwdep_info_t *obj); +void snd_hwdep_info_copy(snd_hwdep_info_t *dst, const snd_hwdep_info_t *src); + +unsigned int snd_hwdep_info_get_device(const snd_hwdep_info_t *obj); +int snd_hwdep_info_get_card(const snd_hwdep_info_t *obj); +const char *snd_hwdep_info_get_id(const snd_hwdep_info_t *obj); +const char *snd_hwdep_info_get_name(const snd_hwdep_info_t *obj); +snd_hwdep_iface_t snd_hwdep_info_get_iface(const snd_hwdep_info_t *obj); +void snd_hwdep_info_set_device(snd_hwdep_info_t *obj, unsigned int val); + +size_t snd_hwdep_dsp_status_sizeof(void); +/** allocate #snd_hwdep_dsp_status_t container on stack */ +#define snd_hwdep_dsp_status_alloca(ptr) __snd_alloca(ptr, snd_hwdep_dsp_status) +int snd_hwdep_dsp_status_malloc(snd_hwdep_dsp_status_t **ptr); +void snd_hwdep_dsp_status_free(snd_hwdep_dsp_status_t *obj); +void snd_hwdep_dsp_status_copy(snd_hwdep_dsp_status_t *dst, const snd_hwdep_dsp_status_t *src); + +unsigned int snd_hwdep_dsp_status_get_version(const snd_hwdep_dsp_status_t *obj); +const char *snd_hwdep_dsp_status_get_id(const snd_hwdep_dsp_status_t *obj); +unsigned int snd_hwdep_dsp_status_get_num_dsps(const snd_hwdep_dsp_status_t *obj); +unsigned int snd_hwdep_dsp_status_get_dsp_loaded(const snd_hwdep_dsp_status_t *obj); +unsigned int snd_hwdep_dsp_status_get_chip_ready(const snd_hwdep_dsp_status_t *obj); + +size_t snd_hwdep_dsp_image_sizeof(void); +/** allocate #snd_hwdep_dsp_image_t container on stack */ +#define snd_hwdep_dsp_image_alloca(ptr) __snd_alloca(ptr, snd_hwdep_dsp_image) +int snd_hwdep_dsp_image_malloc(snd_hwdep_dsp_image_t **ptr); +void snd_hwdep_dsp_image_free(snd_hwdep_dsp_image_t *obj); +void snd_hwdep_dsp_image_copy(snd_hwdep_dsp_image_t *dst, const snd_hwdep_dsp_image_t *src); + +unsigned int snd_hwdep_dsp_image_get_index(const snd_hwdep_dsp_image_t *obj); +const char *snd_hwdep_dsp_image_get_name(const snd_hwdep_dsp_image_t *obj); +const void *snd_hwdep_dsp_image_get_image(const snd_hwdep_dsp_image_t *obj); +size_t snd_hwdep_dsp_image_get_length(const snd_hwdep_dsp_image_t *obj); + +void snd_hwdep_dsp_image_set_index(snd_hwdep_dsp_image_t *obj, unsigned int _index); +void snd_hwdep_dsp_image_set_name(snd_hwdep_dsp_image_t *obj, const char *name); +void snd_hwdep_dsp_image_set_image(snd_hwdep_dsp_image_t *obj, void *buffer); +void snd_hwdep_dsp_image_set_length(snd_hwdep_dsp_image_t *obj, size_t length); + +/** \} */ + +#ifdef __cplusplus +} +#endif + +#endif /* __ALSA_HWDEP_H */ + diff --git a/alsa/include/alsa/input.h b/alsa/include/alsa/input.h new file mode 100644 index 0000000..fc5d0e6 --- /dev/null +++ b/alsa/include/alsa/input.h @@ -0,0 +1,83 @@ +/** + * \file include/input.h + * \brief Application interface library for the ALSA driver + * \author Jaroslav Kysela + * \author Abramo Bagnara + * \author Takashi Iwai + * \date 1998-2001 + * + * Application interface library for the ALSA driver + */ +/* + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __ALSA_INPUT_H +#define __ALSA_INPUT_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \defgroup Input Input Interface + * + * The input functions present an interface similar to the stdio functions + * on top of different underlying input sources. + * + * The #snd_config_load function uses such an input handle to be able to + * load configurations not only from standard files but also from other + * sources, e.g. from memory buffers. + * + * \{ + */ + +/** + * \brief Internal structure for an input object. + * + * The ALSA library uses a pointer to this structure as a handle to an + * input object. Applications don't access its contents directly. + */ +typedef struct _snd_input snd_input_t; + +/** Input type. */ +typedef enum _snd_input_type { + /** Input from a stdio stream. */ + SND_INPUT_STDIO, + /** Input from a memory buffer. */ + SND_INPUT_BUFFER +} snd_input_type_t; + +int snd_input_stdio_open(snd_input_t **inputp, const char *file, const char *mode); +int snd_input_stdio_attach(snd_input_t **inputp, FILE *fp, int _close); +int snd_input_buffer_open(snd_input_t **inputp, const char *buffer, ssize_t size); +int snd_input_close(snd_input_t *input); +int snd_input_scanf(snd_input_t *input, const char *format, ...) +#ifndef DOC_HIDDEN + __attribute__ ((format (scanf, 2, 3))) +#endif + ; +char *snd_input_gets(snd_input_t *input, char *str, size_t size); +int snd_input_getc(snd_input_t *input); +int snd_input_ungetc(snd_input_t *input, int c); + +/** \} */ + +#ifdef __cplusplus +} +#endif + +#endif /* __ALSA_INPUT_H */ diff --git a/alsa/include/alsa/mixer.h b/alsa/include/alsa/mixer.h new file mode 100644 index 0000000..066d978 --- /dev/null +++ b/alsa/include/alsa/mixer.h @@ -0,0 +1,317 @@ +/** + * \file include/mixer.h + * \brief Application interface library for the ALSA driver + * \author Jaroslav Kysela + * \author Abramo Bagnara + * \author Takashi Iwai + * \date 1998-2001 + * + * Application interface library for the ALSA driver + */ +/* + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __ALSA_MIXER_H +#define __ALSA_MIXER_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \defgroup Mixer Mixer Interface + * The mixer interface. + * \{ + */ + +/** Mixer handle */ +typedef struct _snd_mixer snd_mixer_t; +/** Mixer elements class handle */ +typedef struct _snd_mixer_class snd_mixer_class_t; +/** Mixer element handle */ +typedef struct _snd_mixer_elem snd_mixer_elem_t; + +/** + * \brief Mixer callback function + * \param mixer Mixer handle + * \param mask event mask + * \param elem related mixer element (if any) + * \return 0 on success otherwise a negative error code + */ +typedef int (*snd_mixer_callback_t)(snd_mixer_t *ctl, + unsigned int mask, + snd_mixer_elem_t *elem); + +/** + * \brief Mixer element callback function + * \param elem Mixer element + * \param mask event mask + * \return 0 on success otherwise a negative error code + */ +typedef int (*snd_mixer_elem_callback_t)(snd_mixer_elem_t *elem, + unsigned int mask); + +/** + * \brief Compare function for sorting mixer elements + * \param e1 First element + * \param e2 Second element + * \return -1 if e1 < e2, 0 if e1 == e2, 1 if e1 > e2 + */ +typedef int (*snd_mixer_compare_t)(const snd_mixer_elem_t *e1, + const snd_mixer_elem_t *e2); + +/** + * \brief Event callback for the mixer class + * \param class_ Mixer class + * \param mask Event mask (SND_CTL_EVENT_*) + * \param helem HCTL element which invoked the event + * \param melem Mixer element associated to HCTL element + * \return zero if success, otherwise a negative error value + */ +typedef int (*snd_mixer_event_t)(snd_mixer_class_t *class_, unsigned int mask, + snd_hctl_elem_t *helem, snd_mixer_elem_t *melem); + + +/** Mixer element type */ +typedef enum _snd_mixer_elem_type { + /* Simple mixer elements */ + SND_MIXER_ELEM_SIMPLE, + SND_MIXER_ELEM_LAST = SND_MIXER_ELEM_SIMPLE +} snd_mixer_elem_type_t; + +int snd_mixer_open(snd_mixer_t **mixer, int mode); +int snd_mixer_close(snd_mixer_t *mixer); +snd_mixer_elem_t *snd_mixer_first_elem(snd_mixer_t *mixer); +snd_mixer_elem_t *snd_mixer_last_elem(snd_mixer_t *mixer); +int snd_mixer_handle_events(snd_mixer_t *mixer); +int snd_mixer_attach(snd_mixer_t *mixer, const char *name); +int snd_mixer_attach_hctl(snd_mixer_t *mixer, snd_hctl_t *hctl); +int snd_mixer_detach(snd_mixer_t *mixer, const char *name); +int snd_mixer_detach_hctl(snd_mixer_t *mixer, snd_hctl_t *hctl); +int snd_mixer_get_hctl(snd_mixer_t *mixer, const char *name, snd_hctl_t **hctl); +int snd_mixer_poll_descriptors_count(snd_mixer_t *mixer); +int snd_mixer_poll_descriptors(snd_mixer_t *mixer, struct pollfd *pfds, unsigned int space); +int snd_mixer_poll_descriptors_revents(snd_mixer_t *mixer, struct pollfd *pfds, unsigned int nfds, unsigned short *revents); +int snd_mixer_load(snd_mixer_t *mixer); +void snd_mixer_free(snd_mixer_t *mixer); +int snd_mixer_wait(snd_mixer_t *mixer, int timeout); +int snd_mixer_set_compare(snd_mixer_t *mixer, snd_mixer_compare_t msort); +void snd_mixer_set_callback(snd_mixer_t *obj, snd_mixer_callback_t val); +void * snd_mixer_get_callback_private(const snd_mixer_t *obj); +void snd_mixer_set_callback_private(snd_mixer_t *obj, void * val); +unsigned int snd_mixer_get_count(const snd_mixer_t *obj); +int snd_mixer_class_unregister(snd_mixer_class_t *clss); + +snd_mixer_elem_t *snd_mixer_elem_next(snd_mixer_elem_t *elem); +snd_mixer_elem_t *snd_mixer_elem_prev(snd_mixer_elem_t *elem); +void snd_mixer_elem_set_callback(snd_mixer_elem_t *obj, snd_mixer_elem_callback_t val); +void * snd_mixer_elem_get_callback_private(const snd_mixer_elem_t *obj); +void snd_mixer_elem_set_callback_private(snd_mixer_elem_t *obj, void * val); +snd_mixer_elem_type_t snd_mixer_elem_get_type(const snd_mixer_elem_t *obj); + +int snd_mixer_class_register(snd_mixer_class_t *class_, snd_mixer_t *mixer); +int snd_mixer_elem_new(snd_mixer_elem_t **elem, + snd_mixer_elem_type_t type, + int compare_weight, + void *private_data, + void (*private_free)(snd_mixer_elem_t *elem)); +int snd_mixer_elem_add(snd_mixer_elem_t *elem, snd_mixer_class_t *class_); +int snd_mixer_elem_remove(snd_mixer_elem_t *elem); +void snd_mixer_elem_free(snd_mixer_elem_t *elem); +int snd_mixer_elem_info(snd_mixer_elem_t *elem); +int snd_mixer_elem_value(snd_mixer_elem_t *elem); +int snd_mixer_elem_attach(snd_mixer_elem_t *melem, snd_hctl_elem_t *helem); +int snd_mixer_elem_detach(snd_mixer_elem_t *melem, snd_hctl_elem_t *helem); +int snd_mixer_elem_empty(snd_mixer_elem_t *melem); +void *snd_mixer_elem_get_private(const snd_mixer_elem_t *melem); + +size_t snd_mixer_class_sizeof(void); +/** \hideinitializer + * \brief allocate an invalid #snd_mixer_class_t using standard alloca + * \param ptr returned pointer + */ +#define snd_mixer_class_alloca(ptr) __snd_alloca(ptr, snd_mixer_class) +int snd_mixer_class_malloc(snd_mixer_class_t **ptr); +void snd_mixer_class_free(snd_mixer_class_t *obj); +void snd_mixer_class_copy(snd_mixer_class_t *dst, const snd_mixer_class_t *src); +snd_mixer_t *snd_mixer_class_get_mixer(const snd_mixer_class_t *class_); +snd_mixer_event_t snd_mixer_class_get_event(const snd_mixer_class_t *class_); +void *snd_mixer_class_get_private(const snd_mixer_class_t *class_); +snd_mixer_compare_t snd_mixer_class_get_compare(const snd_mixer_class_t *class_); +int snd_mixer_class_set_event(snd_mixer_class_t *class_, snd_mixer_event_t event); +int snd_mixer_class_set_private(snd_mixer_class_t *class_, void *private_data); +int snd_mixer_class_set_private_free(snd_mixer_class_t *class_, void (*private_free)(snd_mixer_class_t *)); +int snd_mixer_class_set_compare(snd_mixer_class_t *class_, snd_mixer_compare_t compare); + +/** + * \defgroup SimpleMixer Simple Mixer Interface + * \ingroup Mixer + * The simple mixer interface. + * \{ + */ + +/* Simple mixer elements API */ + +/** Mixer simple element channel identifier */ +typedef enum _snd_mixer_selem_channel_id { + /** Unknown */ + SND_MIXER_SCHN_UNKNOWN = -1, + /** Front left */ + SND_MIXER_SCHN_FRONT_LEFT = 0, + /** Front right */ + SND_MIXER_SCHN_FRONT_RIGHT, + /** Rear left */ + SND_MIXER_SCHN_REAR_LEFT, + /** Rear right */ + SND_MIXER_SCHN_REAR_RIGHT, + /** Front center */ + SND_MIXER_SCHN_FRONT_CENTER, + /** Woofer */ + SND_MIXER_SCHN_WOOFER, + /** Side Left */ + SND_MIXER_SCHN_SIDE_LEFT, + /** Side Right */ + SND_MIXER_SCHN_SIDE_RIGHT, + /** Rear Center */ + SND_MIXER_SCHN_REAR_CENTER, + SND_MIXER_SCHN_LAST = 31, + /** Mono (Front left alias) */ + SND_MIXER_SCHN_MONO = SND_MIXER_SCHN_FRONT_LEFT +} snd_mixer_selem_channel_id_t; + +/** Mixer simple element - register options - abstraction level */ +enum snd_mixer_selem_regopt_abstract { + /** no abstraction - try use all universal controls from driver */ + SND_MIXER_SABSTRACT_NONE = 0, + /** basic abstraction - Master,PCM,CD,Aux,Record-Gain etc. */ + SND_MIXER_SABSTRACT_BASIC, +}; + +/** Mixer simple element - register options */ +struct snd_mixer_selem_regopt { + /** structure version */ + int ver; + /** v1: abstract layer selection */ + enum snd_mixer_selem_regopt_abstract abstract; + /** v1: device name (must be NULL when playback_pcm or capture_pcm != NULL) */ + const char *device; + /** v1: playback PCM connected to mixer device (NULL == none) */ + snd_pcm_t *playback_pcm; + /** v1: capture PCM connected to mixer device (NULL == none) */ + snd_pcm_t *capture_pcm; +}; + +/** Mixer simple element identifier */ +typedef struct _snd_mixer_selem_id snd_mixer_selem_id_t; + +const char *snd_mixer_selem_channel_name(snd_mixer_selem_channel_id_t channel); + +int snd_mixer_selem_register(snd_mixer_t *mixer, + struct snd_mixer_selem_regopt *options, + snd_mixer_class_t **classp); +void snd_mixer_selem_get_id(snd_mixer_elem_t *element, + snd_mixer_selem_id_t *id); +const char *snd_mixer_selem_get_name(snd_mixer_elem_t *elem); +unsigned int snd_mixer_selem_get_index(snd_mixer_elem_t *elem); +snd_mixer_elem_t *snd_mixer_find_selem(snd_mixer_t *mixer, + const snd_mixer_selem_id_t *id); + +int snd_mixer_selem_is_active(snd_mixer_elem_t *elem); +int snd_mixer_selem_is_playback_mono(snd_mixer_elem_t *elem); +int snd_mixer_selem_has_playback_channel(snd_mixer_elem_t *obj, snd_mixer_selem_channel_id_t channel); +int snd_mixer_selem_is_capture_mono(snd_mixer_elem_t *elem); +int snd_mixer_selem_has_capture_channel(snd_mixer_elem_t *obj, snd_mixer_selem_channel_id_t channel); +int snd_mixer_selem_get_capture_group(snd_mixer_elem_t *elem); +int snd_mixer_selem_has_common_volume(snd_mixer_elem_t *elem); +int snd_mixer_selem_has_playback_volume(snd_mixer_elem_t *elem); +int snd_mixer_selem_has_playback_volume_joined(snd_mixer_elem_t *elem); +int snd_mixer_selem_has_capture_volume(snd_mixer_elem_t *elem); +int snd_mixer_selem_has_capture_volume_joined(snd_mixer_elem_t *elem); +int snd_mixer_selem_has_common_switch(snd_mixer_elem_t *elem); +int snd_mixer_selem_has_playback_switch(snd_mixer_elem_t *elem); +int snd_mixer_selem_has_playback_switch_joined(snd_mixer_elem_t *elem); +int snd_mixer_selem_has_capture_switch(snd_mixer_elem_t *elem); +int snd_mixer_selem_has_capture_switch_joined(snd_mixer_elem_t *elem); +int snd_mixer_selem_has_capture_switch_exclusive(snd_mixer_elem_t *elem); + +int snd_mixer_selem_ask_playback_vol_dB(snd_mixer_elem_t *elem, long value, long *dBvalue); +int snd_mixer_selem_ask_capture_vol_dB(snd_mixer_elem_t *elem, long value, long *dBvalue); +int snd_mixer_selem_ask_playback_dB_vol(snd_mixer_elem_t *elem, long dBvalue, int dir, long *value); +int snd_mixer_selem_ask_capture_dB_vol(snd_mixer_elem_t *elem, long dBvalue, int dir, long *value); +int snd_mixer_selem_get_playback_volume(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long *value); +int snd_mixer_selem_get_capture_volume(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long *value); +int snd_mixer_selem_get_playback_dB(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long *value); +int snd_mixer_selem_get_capture_dB(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long *value); +int snd_mixer_selem_get_playback_switch(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, int *value); +int snd_mixer_selem_get_capture_switch(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, int *value); +int snd_mixer_selem_set_playback_volume(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long value); +int snd_mixer_selem_set_capture_volume(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long value); +int snd_mixer_selem_set_playback_dB(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long value, int dir); +int snd_mixer_selem_set_capture_dB(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long value, int dir); +int snd_mixer_selem_set_playback_volume_all(snd_mixer_elem_t *elem, long value); +int snd_mixer_selem_set_capture_volume_all(snd_mixer_elem_t *elem, long value); +int snd_mixer_selem_set_playback_dB_all(snd_mixer_elem_t *elem, long value, int dir); +int snd_mixer_selem_set_capture_dB_all(snd_mixer_elem_t *elem, long value, int dir); +int snd_mixer_selem_set_playback_switch(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, int value); +int snd_mixer_selem_set_capture_switch(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, int value); +int snd_mixer_selem_set_playback_switch_all(snd_mixer_elem_t *elem, int value); +int snd_mixer_selem_set_capture_switch_all(snd_mixer_elem_t *elem, int value); +int snd_mixer_selem_get_playback_volume_range(snd_mixer_elem_t *elem, + long *min, long *max); +int snd_mixer_selem_get_playback_dB_range(snd_mixer_elem_t *elem, + long *min, long *max); +int snd_mixer_selem_set_playback_volume_range(snd_mixer_elem_t *elem, + long min, long max); +int snd_mixer_selem_get_capture_volume_range(snd_mixer_elem_t *elem, + long *min, long *max); +int snd_mixer_selem_get_capture_dB_range(snd_mixer_elem_t *elem, + long *min, long *max); +int snd_mixer_selem_set_capture_volume_range(snd_mixer_elem_t *elem, + long min, long max); + +int snd_mixer_selem_is_enumerated(snd_mixer_elem_t *elem); +int snd_mixer_selem_is_enum_playback(snd_mixer_elem_t *elem); +int snd_mixer_selem_is_enum_capture(snd_mixer_elem_t *elem); +int snd_mixer_selem_get_enum_items(snd_mixer_elem_t *elem); +int snd_mixer_selem_get_enum_item_name(snd_mixer_elem_t *elem, unsigned int idx, size_t maxlen, char *str); +int snd_mixer_selem_get_enum_item(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, unsigned int *idxp); +int snd_mixer_selem_set_enum_item(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, unsigned int idx); + +size_t snd_mixer_selem_id_sizeof(void); +/** \hideinitializer + * \brief allocate an invalid #snd_mixer_selem_id_t using standard alloca + * \param ptr returned pointer + */ +#define snd_mixer_selem_id_alloca(ptr) __snd_alloca(ptr, snd_mixer_selem_id) +int snd_mixer_selem_id_malloc(snd_mixer_selem_id_t **ptr); +void snd_mixer_selem_id_free(snd_mixer_selem_id_t *obj); +void snd_mixer_selem_id_copy(snd_mixer_selem_id_t *dst, const snd_mixer_selem_id_t *src); +const char *snd_mixer_selem_id_get_name(const snd_mixer_selem_id_t *obj); +unsigned int snd_mixer_selem_id_get_index(const snd_mixer_selem_id_t *obj); +void snd_mixer_selem_id_set_name(snd_mixer_selem_id_t *obj, const char *val); +void snd_mixer_selem_id_set_index(snd_mixer_selem_id_t *obj, unsigned int val); + +/** \} */ + +/** \} */ + +#ifdef __cplusplus +} +#endif + +#endif /* __ALSA_MIXER_H */ + diff --git a/alsa/include/alsa/output.h b/alsa/include/alsa/output.h new file mode 100644 index 0000000..5279aa2 --- /dev/null +++ b/alsa/include/alsa/output.h @@ -0,0 +1,86 @@ +/** + * \file include/output.h + * \brief Application interface library for the ALSA driver + * \author Jaroslav Kysela + * \author Abramo Bagnara + * \author Takashi Iwai + * \date 1998-2001 + * + * Application interface library for the ALSA driver + */ +/* + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __ALSA_OUTPUT_H +#define __ALSA_OUTPUT_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \defgroup Output Output Interface + * + * The output functions present an interface similar to the stdio functions + * on top of different underlying output destinations. + * + * Many PCM debugging functions (\c snd_pcm_xxx_dump_xxx) use such an output + * handle to be able to write not only to the screen but also to other + * destinations, e.g. to files or to memory buffers. + * + * \{ + */ + +/** + * \brief Internal structure for an output object. + * + * The ALSA library uses a pointer to this structure as a handle to an + * output object. Applications don't access its contents directly. + */ +typedef struct _snd_output snd_output_t; + +/** Output type. */ +typedef enum _snd_output_type { + /** Output to a stdio stream. */ + SND_OUTPUT_STDIO, + /** Output to a memory buffer. */ + SND_OUTPUT_BUFFER +} snd_output_type_t; + +int snd_output_stdio_open(snd_output_t **outputp, const char *file, const char *mode); +int snd_output_stdio_attach(snd_output_t **outputp, FILE *fp, int _close); +int snd_output_buffer_open(snd_output_t **outputp); +size_t snd_output_buffer_string(snd_output_t *output, char **buf); +int snd_output_close(snd_output_t *output); +int snd_output_printf(snd_output_t *output, const char *format, ...) +#ifndef DOC_HIDDEN + __attribute__ ((format (printf, 2, 3))) +#endif + ; +int snd_output_vprintf(snd_output_t *output, const char *format, va_list args); +int snd_output_puts(snd_output_t *output, const char *str); +int snd_output_putc(snd_output_t *output, int c); +int snd_output_flush(snd_output_t *output); + +/** \} */ + +#ifdef __cplusplus +} +#endif + +#endif /* __ALSA_OUTPUT_H */ + diff --git a/alsa/include/alsa/pcm.h b/alsa/include/alsa/pcm.h new file mode 100644 index 0000000..0be1a32 --- /dev/null +++ b/alsa/include/alsa/pcm.h @@ -0,0 +1,1327 @@ +/** + * \file include/pcm.h + * \brief Application interface library for the ALSA driver + * \author Jaroslav Kysela + * \author Abramo Bagnara + * \author Takashi Iwai + * \date 1998-2001 + * + * Application interface library for the ALSA driver. + * See the \ref pcm page for more details. + */ +/* + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __ALSA_PCM_H +#define __ALSA_PCM_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \defgroup PCM PCM Interface + * See the \ref pcm page for more details. + * \{ + */ + +/** dlsym version for interface entry callback */ +#define SND_PCM_DLSYM_VERSION _dlsym_pcm_001 + +/** PCM generic info container */ +typedef struct _snd_pcm_info snd_pcm_info_t; + +/** PCM hardware configuration space container + * + * snd_pcm_hw_params_t is an opaque structure which contains a set of possible + * PCM hardware configurations. For example, a given instance might include a + * range of buffer sizes, a range of period sizes, and a set of several sample + * formats. Some subset of all possible combinations these sets may be valid, + * but not necessarily any combination will be valid. + * + * When a parameter is set or restricted using a snd_pcm_hw_params_set* + * function, all of the other ranges will be updated to exclude as many + * impossible configurations as possible. Attempting to set a parameter + * outside of its acceptable range will result in the function failing + * and an error code being returned. + */ +typedef struct _snd_pcm_hw_params snd_pcm_hw_params_t; + +/** PCM software configuration container */ +typedef struct _snd_pcm_sw_params snd_pcm_sw_params_t; +/** PCM status container */ + typedef struct _snd_pcm_status snd_pcm_status_t; +/** PCM access types mask */ +typedef struct _snd_pcm_access_mask snd_pcm_access_mask_t; +/** PCM formats mask */ +typedef struct _snd_pcm_format_mask snd_pcm_format_mask_t; +/** PCM subformats mask */ +typedef struct _snd_pcm_subformat_mask snd_pcm_subformat_mask_t; + +/** PCM class */ +typedef enum _snd_pcm_class { + /** standard device */ + + SND_PCM_CLASS_GENERIC = 0, + /** multichannel device */ + SND_PCM_CLASS_MULTI, + /** software modem device */ + SND_PCM_CLASS_MODEM, + /** digitizer device */ + SND_PCM_CLASS_DIGITIZER, + SND_PCM_CLASS_LAST = SND_PCM_CLASS_DIGITIZER +} snd_pcm_class_t; + +/** PCM subclass */ +typedef enum _snd_pcm_subclass { + /** subdevices are mixed together */ + SND_PCM_SUBCLASS_GENERIC_MIX = 0, + /** multichannel subdevices are mixed together */ + SND_PCM_SUBCLASS_MULTI_MIX, + SND_PCM_SUBCLASS_LAST = SND_PCM_SUBCLASS_MULTI_MIX +} snd_pcm_subclass_t; + +/** PCM stream (direction) */ +typedef enum _snd_pcm_stream { + /** Playback stream */ + SND_PCM_STREAM_PLAYBACK = 0, + /** Capture stream */ + SND_PCM_STREAM_CAPTURE, + SND_PCM_STREAM_LAST = SND_PCM_STREAM_CAPTURE +} snd_pcm_stream_t; + +/** PCM access type */ +typedef enum _snd_pcm_access { + /** mmap access with simple interleaved channels */ + SND_PCM_ACCESS_MMAP_INTERLEAVED = 0, + /** mmap access with simple non interleaved channels */ + SND_PCM_ACCESS_MMAP_NONINTERLEAVED, + /** mmap access with complex placement */ + SND_PCM_ACCESS_MMAP_COMPLEX, + /** snd_pcm_readi/snd_pcm_writei access */ + SND_PCM_ACCESS_RW_INTERLEAVED, + /** snd_pcm_readn/snd_pcm_writen access */ + SND_PCM_ACCESS_RW_NONINTERLEAVED, + SND_PCM_ACCESS_LAST = SND_PCM_ACCESS_RW_NONINTERLEAVED +} snd_pcm_access_t; + +/** PCM sample format */ +typedef enum _snd_pcm_format { + /** Unknown */ + SND_PCM_FORMAT_UNKNOWN = -1, + /** Signed 8 bit */ + SND_PCM_FORMAT_S8 = 0, + /** Unsigned 8 bit */ + SND_PCM_FORMAT_U8, + /** Signed 16 bit Little Endian */ + SND_PCM_FORMAT_S16_LE, + /** Signed 16 bit Big Endian */ + SND_PCM_FORMAT_S16_BE, + /** Unsigned 16 bit Little Endian */ + SND_PCM_FORMAT_U16_LE, + /** Unsigned 16 bit Big Endian */ + SND_PCM_FORMAT_U16_BE, + /** Signed 24 bit Little Endian using low three bytes in 32-bit word */ + SND_PCM_FORMAT_S24_LE, + /** Signed 24 bit Big Endian using low three bytes in 32-bit word */ + SND_PCM_FORMAT_S24_BE, + /** Unsigned 24 bit Little Endian using low three bytes in 32-bit word */ + SND_PCM_FORMAT_U24_LE, + /** Unsigned 24 bit Big Endian using low three bytes in 32-bit word */ + SND_PCM_FORMAT_U24_BE, + /** Signed 32 bit Little Endian */ + SND_PCM_FORMAT_S32_LE, + /** Signed 32 bit Big Endian */ + SND_PCM_FORMAT_S32_BE, + /** Unsigned 32 bit Little Endian */ + SND_PCM_FORMAT_U32_LE, + /** Unsigned 32 bit Big Endian */ + SND_PCM_FORMAT_U32_BE, + /** Float 32 bit Little Endian, Range -1.0 to 1.0 */ + SND_PCM_FORMAT_FLOAT_LE, + /** Float 32 bit Big Endian, Range -1.0 to 1.0 */ + SND_PCM_FORMAT_FLOAT_BE, + /** Float 64 bit Little Endian, Range -1.0 to 1.0 */ + SND_PCM_FORMAT_FLOAT64_LE, + /** Float 64 bit Big Endian, Range -1.0 to 1.0 */ + SND_PCM_FORMAT_FLOAT64_BE, + /** IEC-958 Little Endian */ + SND_PCM_FORMAT_IEC958_SUBFRAME_LE, + /** IEC-958 Big Endian */ + SND_PCM_FORMAT_IEC958_SUBFRAME_BE, + /** Mu-Law */ + SND_PCM_FORMAT_MU_LAW, + /** A-Law */ + SND_PCM_FORMAT_A_LAW, + /** Ima-ADPCM */ + SND_PCM_FORMAT_IMA_ADPCM, + /** MPEG */ + SND_PCM_FORMAT_MPEG, + /** GSM */ + SND_PCM_FORMAT_GSM, + /** Special */ + SND_PCM_FORMAT_SPECIAL = 31, + /** Signed 24bit Little Endian in 3bytes format */ + SND_PCM_FORMAT_S24_3LE = 32, + /** Signed 24bit Big Endian in 3bytes format */ + SND_PCM_FORMAT_S24_3BE, + /** Unsigned 24bit Little Endian in 3bytes format */ + SND_PCM_FORMAT_U24_3LE, + /** Unsigned 24bit Big Endian in 3bytes format */ + SND_PCM_FORMAT_U24_3BE, + /** Signed 20bit Little Endian in 3bytes format */ + SND_PCM_FORMAT_S20_3LE, + /** Signed 20bit Big Endian in 3bytes format */ + SND_PCM_FORMAT_S20_3BE, + /** Unsigned 20bit Little Endian in 3bytes format */ + SND_PCM_FORMAT_U20_3LE, + /** Unsigned 20bit Big Endian in 3bytes format */ + SND_PCM_FORMAT_U20_3BE, + /** Signed 18bit Little Endian in 3bytes format */ + SND_PCM_FORMAT_S18_3LE, + /** Signed 18bit Big Endian in 3bytes format */ + SND_PCM_FORMAT_S18_3BE, + /** Unsigned 18bit Little Endian in 3bytes format */ + SND_PCM_FORMAT_U18_3LE, + /** Unsigned 18bit Big Endian in 3bytes format */ + SND_PCM_FORMAT_U18_3BE, + /* G.723 (ADPCM) 24 kbit/s, 8 samples in 3 bytes */ + SND_PCM_FORMAT_G723_24, + /* G.723 (ADPCM) 24 kbit/s, 1 sample in 1 byte */ + SND_PCM_FORMAT_G723_24_1B, + /* G.723 (ADPCM) 40 kbit/s, 8 samples in 3 bytes */ + SND_PCM_FORMAT_G723_40, + /* G.723 (ADPCM) 40 kbit/s, 1 sample in 1 byte */ + SND_PCM_FORMAT_G723_40_1B, + /* Direct Stream Digital (DSD) in 1-byte samples (x8) */ + SND_PCM_FORMAT_DSD_U8, + /* Direct Stream Digital (DSD) in 2-byte samples (x16) */ + SND_PCM_FORMAT_DSD_U16_LE, + /* Direct Stream Digital (DSD) in 4-byte samples (x32) */ + SND_PCM_FORMAT_DSD_U32_LE, + /* Direct Stream Digital (DSD) in 2-byte samples (x16) */ + SND_PCM_FORMAT_DSD_U16_BE, + /* Direct Stream Digital (DSD) in 4-byte samples (x32) */ + SND_PCM_FORMAT_DSD_U32_BE, + SND_PCM_FORMAT_LAST = SND_PCM_FORMAT_DSD_U32_BE, + +#if __BYTE_ORDER == __LITTLE_ENDIAN + /** Signed 16 bit CPU endian */ + SND_PCM_FORMAT_S16 = SND_PCM_FORMAT_S16_LE, + /** Unsigned 16 bit CPU endian */ + SND_PCM_FORMAT_U16 = SND_PCM_FORMAT_U16_LE, + /** Signed 24 bit CPU endian */ + SND_PCM_FORMAT_S24 = SND_PCM_FORMAT_S24_LE, + /** Unsigned 24 bit CPU endian */ + SND_PCM_FORMAT_U24 = SND_PCM_FORMAT_U24_LE, + /** Signed 32 bit CPU endian */ + SND_PCM_FORMAT_S32 = SND_PCM_FORMAT_S32_LE, + /** Unsigned 32 bit CPU endian */ + SND_PCM_FORMAT_U32 = SND_PCM_FORMAT_U32_LE, + /** Float 32 bit CPU endian */ + SND_PCM_FORMAT_FLOAT = SND_PCM_FORMAT_FLOAT_LE, + /** Float 64 bit CPU endian */ + SND_PCM_FORMAT_FLOAT64 = SND_PCM_FORMAT_FLOAT64_LE, + /** IEC-958 CPU Endian */ + SND_PCM_FORMAT_IEC958_SUBFRAME = SND_PCM_FORMAT_IEC958_SUBFRAME_LE +#elif __BYTE_ORDER == __BIG_ENDIAN + /** Signed 16 bit CPU endian */ + SND_PCM_FORMAT_S16 = SND_PCM_FORMAT_S16_BE, + /** Unsigned 16 bit CPU endian */ + SND_PCM_FORMAT_U16 = SND_PCM_FORMAT_U16_BE, + /** Signed 24 bit CPU endian */ + SND_PCM_FORMAT_S24 = SND_PCM_FORMAT_S24_BE, + /** Unsigned 24 bit CPU endian */ + SND_PCM_FORMAT_U24 = SND_PCM_FORMAT_U24_BE, + /** Signed 32 bit CPU endian */ + SND_PCM_FORMAT_S32 = SND_PCM_FORMAT_S32_BE, + /** Unsigned 32 bit CPU endian */ + SND_PCM_FORMAT_U32 = SND_PCM_FORMAT_U32_BE, + /** Float 32 bit CPU endian */ + SND_PCM_FORMAT_FLOAT = SND_PCM_FORMAT_FLOAT_BE, + /** Float 64 bit CPU endian */ + SND_PCM_FORMAT_FLOAT64 = SND_PCM_FORMAT_FLOAT64_BE, + /** IEC-958 CPU Endian */ + SND_PCM_FORMAT_IEC958_SUBFRAME = SND_PCM_FORMAT_IEC958_SUBFRAME_BE +#else +#error "Unknown endian" +#endif +} snd_pcm_format_t; + +/** PCM sample subformat */ +typedef enum _snd_pcm_subformat { + /** Standard */ + SND_PCM_SUBFORMAT_STD = 0, + SND_PCM_SUBFORMAT_LAST = SND_PCM_SUBFORMAT_STD +} snd_pcm_subformat_t; + +/** PCM state */ +typedef enum _snd_pcm_state { + /** Open */ + SND_PCM_STATE_OPEN = 0, + /** Setup installed */ + SND_PCM_STATE_SETUP, + /** Ready to start */ + SND_PCM_STATE_PREPARED, + /** Running */ + SND_PCM_STATE_RUNNING, + /** Stopped: underrun (playback) or overrun (capture) detected */ + SND_PCM_STATE_XRUN, + /** Draining: running (playback) or stopped (capture) */ + SND_PCM_STATE_DRAINING, + /** Paused */ + SND_PCM_STATE_PAUSED, + /** Hardware is suspended */ + SND_PCM_STATE_SUSPENDED, + /** Hardware is disconnected */ + SND_PCM_STATE_DISCONNECTED, + SND_PCM_STATE_LAST = SND_PCM_STATE_DISCONNECTED +} snd_pcm_state_t; + +/** PCM start mode */ +typedef enum _snd_pcm_start { + /** Automatic start on data read/write */ + SND_PCM_START_DATA = 0, + /** Explicit start */ + SND_PCM_START_EXPLICIT, + SND_PCM_START_LAST = SND_PCM_START_EXPLICIT +} snd_pcm_start_t; + +/** PCM xrun mode */ +typedef enum _snd_pcm_xrun { + /** Xrun detection disabled */ + SND_PCM_XRUN_NONE = 0, + /** Stop on xrun detection */ + SND_PCM_XRUN_STOP, + SND_PCM_XRUN_LAST = SND_PCM_XRUN_STOP +} snd_pcm_xrun_t; + +/** PCM timestamp mode */ +typedef enum _snd_pcm_tstamp { + /** No timestamp */ + SND_PCM_TSTAMP_NONE = 0, + /** Update timestamp at every hardware position update */ + SND_PCM_TSTAMP_ENABLE, + /** Equivalent with #SND_PCM_TSTAMP_ENABLE, + * just for compatibility with older versions + */ + SND_PCM_TSTAMP_MMAP = SND_PCM_TSTAMP_ENABLE, + SND_PCM_TSTAMP_LAST = SND_PCM_TSTAMP_ENABLE +} snd_pcm_tstamp_t; + +typedef enum _snd_pcm_tstamp_type { + SND_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0, /**< gettimeofday equivalent */ + SND_PCM_TSTAMP_TYPE_MONOTONIC, /**< posix_clock_monotonic equivalent */ + SND_PCM_TSTAMP_TYPE_MONOTONIC_RAW, /**< monotonic_raw (no NTP) */ + SND_PCM_TSTAMP_TYPE_LAST = SND_PCM_TSTAMP_TYPE_MONOTONIC_RAW, +} snd_pcm_tstamp_type_t; + +typedef struct _snd_pcm_audio_tstamp_config { + /* 5 of max 16 bits used */ + unsigned int type_requested:4; + unsigned int report_delay:1; /* add total delay to A/D or D/A */ +} snd_pcm_audio_tstamp_config_t; + +typedef struct _snd_pcm_audio_tstamp_report { + /* 6 of max 16 bits used for bit-fields */ + + /* for backwards compatibility */ + unsigned int valid:1; + + /* actual type if hardware could not support requested timestamp */ + unsigned int actual_type:4; + + /* accuracy represented in ns units */ + unsigned int accuracy_report:1; /* 0 if accuracy unknown, 1 if accuracy field is valid */ + unsigned int accuracy; /* up to 4.29s, will be packed in separate field */ +} snd_pcm_audio_tstamp_report_t; + +/** Unsigned frames quantity */ +typedef unsigned long snd_pcm_uframes_t; +/** Signed frames quantity */ +typedef long snd_pcm_sframes_t; + +/** Non blocking mode (flag for open mode) \hideinitializer */ +#define SND_PCM_NONBLOCK 0x00000001 +/** Async notification (flag for open mode) \hideinitializer */ +#define SND_PCM_ASYNC 0x00000002 +/** In an abort state (internal, not allowed for open) */ +#define SND_PCM_ABORT 0x00008000 +/** Disable automatic (but not forced!) rate resamplinig */ +#define SND_PCM_NO_AUTO_RESAMPLE 0x00010000 +/** Disable automatic (but not forced!) channel conversion */ +#define SND_PCM_NO_AUTO_CHANNELS 0x00020000 +/** Disable automatic (but not forced!) format conversion */ +#define SND_PCM_NO_AUTO_FORMAT 0x00040000 +/** Disable soft volume control */ +#define SND_PCM_NO_SOFTVOL 0x00080000 + +/** PCM handle */ +typedef struct _snd_pcm snd_pcm_t; + +/** PCM type */ +enum _snd_pcm_type { + /** Kernel level PCM */ + SND_PCM_TYPE_HW = 0, + /** Hooked PCM */ + SND_PCM_TYPE_HOOKS, + /** One or more linked PCM with exclusive access to selected + channels */ + SND_PCM_TYPE_MULTI, + /** File writing plugin */ + SND_PCM_TYPE_FILE, + /** Null endpoint PCM */ + SND_PCM_TYPE_NULL, + /** Shared memory client PCM */ + SND_PCM_TYPE_SHM, + /** INET client PCM (not yet implemented) */ + SND_PCM_TYPE_INET, + /** Copying plugin */ + SND_PCM_TYPE_COPY, + /** Linear format conversion PCM */ + SND_PCM_TYPE_LINEAR, + /** A-Law format conversion PCM */ + SND_PCM_TYPE_ALAW, + /** Mu-Law format conversion PCM */ + SND_PCM_TYPE_MULAW, + /** IMA-ADPCM format conversion PCM */ + SND_PCM_TYPE_ADPCM, + /** Rate conversion PCM */ + SND_PCM_TYPE_RATE, + /** Attenuated static route PCM */ + SND_PCM_TYPE_ROUTE, + /** Format adjusted PCM */ + SND_PCM_TYPE_PLUG, + /** Sharing PCM */ + SND_PCM_TYPE_SHARE, + /** Meter plugin */ + SND_PCM_TYPE_METER, + /** Mixing PCM */ + SND_PCM_TYPE_MIX, + /** Attenuated dynamic route PCM (not yet implemented) */ + SND_PCM_TYPE_DROUTE, + /** Loopback server plugin (not yet implemented) */ + SND_PCM_TYPE_LBSERVER, + /** Linear Integer <-> Linear Float format conversion PCM */ + SND_PCM_TYPE_LINEAR_FLOAT, + /** LADSPA integration plugin */ + SND_PCM_TYPE_LADSPA, + /** Direct Mixing plugin */ + SND_PCM_TYPE_DMIX, + /** Jack Audio Connection Kit plugin */ + SND_PCM_TYPE_JACK, + /** Direct Snooping plugin */ + SND_PCM_TYPE_DSNOOP, + /** Direct Sharing plugin */ + SND_PCM_TYPE_DSHARE, + /** IEC958 subframe plugin */ + SND_PCM_TYPE_IEC958, + /** Soft volume plugin */ + SND_PCM_TYPE_SOFTVOL, + /** External I/O plugin */ + SND_PCM_TYPE_IOPLUG, + /** External filter plugin */ + SND_PCM_TYPE_EXTPLUG, + /** Mmap-emulation plugin */ + SND_PCM_TYPE_MMAP_EMUL, + SND_PCM_TYPE_LAST = SND_PCM_TYPE_MMAP_EMUL +}; + +/** PCM type */ +typedef enum _snd_pcm_type snd_pcm_type_t; + +/** PCM area specification */ +typedef struct _snd_pcm_channel_area { + /** base address of channel samples */ + void *addr; + /** offset to first sample in bits */ + unsigned int first; + /** samples distance in bits */ + unsigned int step; +} snd_pcm_channel_area_t; + +/** PCM synchronization ID */ +typedef union _snd_pcm_sync_id { + /** 8-bit ID */ + unsigned char id[16]; + /** 16-bit ID */ + unsigned short id16[8]; + /** 32-bit ID */ + unsigned int id32[4]; +} snd_pcm_sync_id_t; + +/** #SND_PCM_TYPE_METER scope handle */ +typedef struct _snd_pcm_scope snd_pcm_scope_t; + +int snd_pcm_open(snd_pcm_t **pcm, const char *name, + snd_pcm_stream_t stream, int mode); +int snd_pcm_open_lconf(snd_pcm_t **pcm, const char *name, + snd_pcm_stream_t stream, int mode, + snd_config_t *lconf); +int snd_pcm_open_fallback(snd_pcm_t **pcm, snd_config_t *root, + const char *name, const char *orig_name, + snd_pcm_stream_t stream, int mode); + +int snd_pcm_close(snd_pcm_t *pcm); +const char *snd_pcm_name(snd_pcm_t *pcm); +snd_pcm_type_t snd_pcm_type(snd_pcm_t *pcm); +snd_pcm_stream_t snd_pcm_stream(snd_pcm_t *pcm); +int snd_pcm_poll_descriptors_count(snd_pcm_t *pcm); +int snd_pcm_poll_descriptors(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int space); +int snd_pcm_poll_descriptors_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents); +int snd_pcm_nonblock(snd_pcm_t *pcm, int nonblock); +static __inline__ int snd_pcm_abort(snd_pcm_t *pcm) { return snd_pcm_nonblock(pcm, 2); } +int snd_async_add_pcm_handler(snd_async_handler_t **handler, snd_pcm_t *pcm, + snd_async_callback_t callback, void *private_data); +snd_pcm_t *snd_async_handler_get_pcm(snd_async_handler_t *handler); +int snd_pcm_info(snd_pcm_t *pcm, snd_pcm_info_t *info); +int snd_pcm_hw_params_current(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); +int snd_pcm_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); +int snd_pcm_hw_free(snd_pcm_t *pcm); +int snd_pcm_sw_params_current(snd_pcm_t *pcm, snd_pcm_sw_params_t *params); +int snd_pcm_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t *params); +int snd_pcm_prepare(snd_pcm_t *pcm); +int snd_pcm_reset(snd_pcm_t *pcm); +int snd_pcm_status(snd_pcm_t *pcm, snd_pcm_status_t *status); +int snd_pcm_start(snd_pcm_t *pcm); +int snd_pcm_drop(snd_pcm_t *pcm); +int snd_pcm_drain(snd_pcm_t *pcm); +int snd_pcm_pause(snd_pcm_t *pcm, int enable); +snd_pcm_state_t snd_pcm_state(snd_pcm_t *pcm); +int snd_pcm_hwsync(snd_pcm_t *pcm); +int snd_pcm_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp); +int snd_pcm_resume(snd_pcm_t *pcm); +int snd_pcm_htimestamp(snd_pcm_t *pcm, snd_pcm_uframes_t *avail, snd_htimestamp_t *tstamp); +snd_pcm_sframes_t snd_pcm_avail(snd_pcm_t *pcm); +snd_pcm_sframes_t snd_pcm_avail_update(snd_pcm_t *pcm); +int snd_pcm_avail_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *availp, snd_pcm_sframes_t *delayp); +snd_pcm_sframes_t snd_pcm_rewindable(snd_pcm_t *pcm); +snd_pcm_sframes_t snd_pcm_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames); +snd_pcm_sframes_t snd_pcm_forwardable(snd_pcm_t *pcm); +snd_pcm_sframes_t snd_pcm_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames); +snd_pcm_sframes_t snd_pcm_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size); +snd_pcm_sframes_t snd_pcm_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size); +snd_pcm_sframes_t snd_pcm_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size); +snd_pcm_sframes_t snd_pcm_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size); +int snd_pcm_wait(snd_pcm_t *pcm, int timeout); + +int snd_pcm_link(snd_pcm_t *pcm1, snd_pcm_t *pcm2); +int snd_pcm_unlink(snd_pcm_t *pcm); + +/** channel mapping API version number */ +#define SND_CHMAP_API_VERSION ((1 << 16) | (0 << 8) | 1) + +/** channel map list type */ +enum snd_pcm_chmap_type { + SND_CHMAP_TYPE_NONE = 0,/**< unspecified channel position */ + SND_CHMAP_TYPE_FIXED, /**< fixed channel position */ + SND_CHMAP_TYPE_VAR, /**< freely swappable channel position */ + SND_CHMAP_TYPE_PAIRED, /**< pair-wise swappable channel position */ + SND_CHMAP_TYPE_LAST = SND_CHMAP_TYPE_PAIRED, /**< last entry */ +}; + +/** channel positions */ +enum snd_pcm_chmap_position { + SND_CHMAP_UNKNOWN = 0, /**< unspecified */ + SND_CHMAP_NA, /**< N/A, silent */ + SND_CHMAP_MONO, /**< mono stream */ + SND_CHMAP_FL, /**< front left */ + SND_CHMAP_FR, /**< front right */ + SND_CHMAP_RL, /**< rear left */ + SND_CHMAP_RR, /**< rear right */ + SND_CHMAP_FC, /**< front center */ + SND_CHMAP_LFE, /**< LFE */ + SND_CHMAP_SL, /**< side left */ + SND_CHMAP_SR, /**< side right */ + SND_CHMAP_RC, /**< rear center */ + SND_CHMAP_FLC, /**< front left center */ + SND_CHMAP_FRC, /**< front right center */ + SND_CHMAP_RLC, /**< rear left center */ + SND_CHMAP_RRC, /**< rear right center */ + SND_CHMAP_FLW, /**< front left wide */ + SND_CHMAP_FRW, /**< front right wide */ + SND_CHMAP_FLH, /**< front left high */ + SND_CHMAP_FCH, /**< front center high */ + SND_CHMAP_FRH, /**< front right high */ + SND_CHMAP_TC, /**< top center */ + SND_CHMAP_TFL, /**< top front left */ + SND_CHMAP_TFR, /**< top front right */ + SND_CHMAP_TFC, /**< top front center */ + SND_CHMAP_TRL, /**< top rear left */ + SND_CHMAP_TRR, /**< top rear right */ + SND_CHMAP_TRC, /**< top rear center */ + SND_CHMAP_TFLC, /**< top front left center */ + SND_CHMAP_TFRC, /**< top front right center */ + SND_CHMAP_TSL, /**< top side left */ + SND_CHMAP_TSR, /**< top side right */ + SND_CHMAP_LLFE, /**< left LFE */ + SND_CHMAP_RLFE, /**< right LFE */ + SND_CHMAP_BC, /**< bottom center */ + SND_CHMAP_BLC, /**< bottom left center */ + SND_CHMAP_BRC, /**< bottom right center */ + SND_CHMAP_LAST = SND_CHMAP_BRC, +}; + +/** bitmask for channel position */ +#define SND_CHMAP_POSITION_MASK 0xffff + +/** bit flag indicating the channel is phase inverted */ +#define SND_CHMAP_PHASE_INVERSE (0x01 << 16) +/** bit flag indicating the non-standard channel value */ +#define SND_CHMAP_DRIVER_SPEC (0x02 << 16) + +/** the channel map header */ +typedef struct snd_pcm_chmap { + unsigned int channels; /**< number of channels */ + unsigned int pos[0]; /**< channel position array */ +} snd_pcm_chmap_t; + +/** the header of array items returned from snd_pcm_query_chmaps() */ +typedef struct snd_pcm_chmap_query { + enum snd_pcm_chmap_type type; /**< channel map type */ + snd_pcm_chmap_t map; /**< available channel map */ +} snd_pcm_chmap_query_t; + + +snd_pcm_chmap_query_t **snd_pcm_query_chmaps(snd_pcm_t *pcm); +snd_pcm_chmap_query_t **snd_pcm_query_chmaps_from_hw(int card, int dev, + int subdev, + snd_pcm_stream_t stream); +void snd_pcm_free_chmaps(snd_pcm_chmap_query_t **maps); +snd_pcm_chmap_t *snd_pcm_get_chmap(snd_pcm_t *pcm); +int snd_pcm_set_chmap(snd_pcm_t *pcm, const snd_pcm_chmap_t *map); + +const char *snd_pcm_chmap_type_name(enum snd_pcm_chmap_type val); +const char *snd_pcm_chmap_name(enum snd_pcm_chmap_position val); +const char *snd_pcm_chmap_long_name(enum snd_pcm_chmap_position val); +int snd_pcm_chmap_print(const snd_pcm_chmap_t *map, size_t maxlen, char *buf); +unsigned int snd_pcm_chmap_from_string(const char *str); +snd_pcm_chmap_t *snd_pcm_chmap_parse_string(const char *str); + +//int snd_pcm_mixer_element(snd_pcm_t *pcm, snd_mixer_t *mixer, snd_mixer_elem_t **elem); + +/* + * application helpers - these functions are implemented on top + * of the basic API + */ + +int snd_pcm_recover(snd_pcm_t *pcm, int err, int silent); +int snd_pcm_set_params(snd_pcm_t *pcm, + snd_pcm_format_t format, + snd_pcm_access_t access, + unsigned int channels, + unsigned int rate, + int soft_resample, + unsigned int latency); +int snd_pcm_get_params(snd_pcm_t *pcm, + snd_pcm_uframes_t *buffer_size, + snd_pcm_uframes_t *period_size); + +/** \} */ + +/** + * \defgroup PCM_Info Stream Information + * \ingroup PCM + * See the \ref pcm page for more details. + * \{ + */ + +size_t snd_pcm_info_sizeof(void); +/** \hideinitializer + * \brief allocate an invalid #snd_pcm_info_t using standard alloca + * \param ptr returned pointer + */ +#define snd_pcm_info_alloca(ptr) __snd_alloca(ptr, snd_pcm_info) +int snd_pcm_info_malloc(snd_pcm_info_t **ptr); +void snd_pcm_info_free(snd_pcm_info_t *obj); +void snd_pcm_info_copy(snd_pcm_info_t *dst, const snd_pcm_info_t *src); +unsigned int snd_pcm_info_get_device(const snd_pcm_info_t *obj); +unsigned int snd_pcm_info_get_subdevice(const snd_pcm_info_t *obj); +snd_pcm_stream_t snd_pcm_info_get_stream(const snd_pcm_info_t *obj); +int snd_pcm_info_get_card(const snd_pcm_info_t *obj); +const char *snd_pcm_info_get_id(const snd_pcm_info_t *obj); +const char *snd_pcm_info_get_name(const snd_pcm_info_t *obj); +const char *snd_pcm_info_get_subdevice_name(const snd_pcm_info_t *obj); +snd_pcm_class_t snd_pcm_info_get_class(const snd_pcm_info_t *obj); +snd_pcm_subclass_t snd_pcm_info_get_subclass(const snd_pcm_info_t *obj); +unsigned int snd_pcm_info_get_subdevices_count(const snd_pcm_info_t *obj); +unsigned int snd_pcm_info_get_subdevices_avail(const snd_pcm_info_t *obj); +snd_pcm_sync_id_t snd_pcm_info_get_sync(const snd_pcm_info_t *obj); +void snd_pcm_info_set_device(snd_pcm_info_t *obj, unsigned int val); +void snd_pcm_info_set_subdevice(snd_pcm_info_t *obj, unsigned int val); +void snd_pcm_info_set_stream(snd_pcm_info_t *obj, snd_pcm_stream_t val); + +/** \} */ + +/** + * \defgroup PCM_HW_Params Hardware Parameters + * \ingroup PCM + * See the \ref pcm page for more details. + * \{ + */ + +int snd_pcm_hw_params_any(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); + +int snd_pcm_hw_params_can_mmap_sample_resolution(const snd_pcm_hw_params_t *params); +int snd_pcm_hw_params_is_double(const snd_pcm_hw_params_t *params); +int snd_pcm_hw_params_is_batch(const snd_pcm_hw_params_t *params); +int snd_pcm_hw_params_is_block_transfer(const snd_pcm_hw_params_t *params); +int snd_pcm_hw_params_is_monotonic(const snd_pcm_hw_params_t *params); +int snd_pcm_hw_params_can_overrange(const snd_pcm_hw_params_t *params); +int snd_pcm_hw_params_can_pause(const snd_pcm_hw_params_t *params); +int snd_pcm_hw_params_can_resume(const snd_pcm_hw_params_t *params); +int snd_pcm_hw_params_is_half_duplex(const snd_pcm_hw_params_t *params); +int snd_pcm_hw_params_is_joint_duplex(const snd_pcm_hw_params_t *params); +int snd_pcm_hw_params_can_sync_start(const snd_pcm_hw_params_t *params); +int snd_pcm_hw_params_can_disable_period_wakeup(const snd_pcm_hw_params_t *params); +int snd_pcm_hw_params_supports_audio_wallclock_ts(const snd_pcm_hw_params_t *params); /* deprecated, use audio_ts_type */ +int snd_pcm_hw_params_supports_audio_ts_type(const snd_pcm_hw_params_t *params, int type); +int snd_pcm_hw_params_get_rate_numden(const snd_pcm_hw_params_t *params, + unsigned int *rate_num, + unsigned int *rate_den); +int snd_pcm_hw_params_get_sbits(const snd_pcm_hw_params_t *params); +int snd_pcm_hw_params_get_fifo_size(const snd_pcm_hw_params_t *params); + +#if 0 +typedef struct _snd_pcm_hw_strategy snd_pcm_hw_strategy_t; + +/* choices need to be sorted on ascending badness */ +typedef struct _snd_pcm_hw_strategy_simple_choices_list { + unsigned int value; + unsigned int badness; +} snd_pcm_hw_strategy_simple_choices_list_t; + +int snd_pcm_hw_params_strategy(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, + const snd_pcm_hw_strategy_t *strategy, + unsigned int badness_min, + unsigned int badness_max); + +void snd_pcm_hw_strategy_free(snd_pcm_hw_strategy_t *strategy); +int snd_pcm_hw_strategy_simple(snd_pcm_hw_strategy_t **strategyp, + unsigned int badness_min, + unsigned int badness_max); +int snd_pcm_hw_params_try_explain_failure(snd_pcm_t *pcm, + snd_pcm_hw_params_t *fail, + snd_pcm_hw_params_t *success, + unsigned int depth, + snd_output_t *out); + +#endif + +size_t snd_pcm_hw_params_sizeof(void); +/** \hideinitializer + * \brief allocate an invalid #snd_pcm_hw_params_t using standard alloca + * \param ptr returned pointer + */ +#define snd_pcm_hw_params_alloca(ptr) __snd_alloca(ptr, snd_pcm_hw_params) +int snd_pcm_hw_params_malloc(snd_pcm_hw_params_t **ptr); +void snd_pcm_hw_params_free(snd_pcm_hw_params_t *obj); +void snd_pcm_hw_params_copy(snd_pcm_hw_params_t *dst, const snd_pcm_hw_params_t *src); + +#if !defined(ALSA_LIBRARY_BUILD) && !defined(ALSA_PCM_OLD_HW_PARAMS_API) + +int snd_pcm_hw_params_get_access(const snd_pcm_hw_params_t *params, snd_pcm_access_t *_access); +int snd_pcm_hw_params_test_access(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t _access); +int snd_pcm_hw_params_set_access(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t _access); +int snd_pcm_hw_params_set_access_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t *_access); +int snd_pcm_hw_params_set_access_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t *_access); +int snd_pcm_hw_params_set_access_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_mask_t *mask); +int snd_pcm_hw_params_get_access_mask(snd_pcm_hw_params_t *params, snd_pcm_access_mask_t *mask); + +int snd_pcm_hw_params_get_format(const snd_pcm_hw_params_t *params, snd_pcm_format_t *val); +int snd_pcm_hw_params_test_format(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t val); +int snd_pcm_hw_params_set_format(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t val); +int snd_pcm_hw_params_set_format_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t *format); +int snd_pcm_hw_params_set_format_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t *format); +int snd_pcm_hw_params_set_format_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_mask_t *mask); +void snd_pcm_hw_params_get_format_mask(snd_pcm_hw_params_t *params, snd_pcm_format_mask_t *mask); + +int snd_pcm_hw_params_get_subformat(const snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat); +int snd_pcm_hw_params_test_subformat(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t subformat); +int snd_pcm_hw_params_set_subformat(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t subformat); +int snd_pcm_hw_params_set_subformat_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat); +int snd_pcm_hw_params_set_subformat_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat); +int snd_pcm_hw_params_set_subformat_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_mask_t *mask); +void snd_pcm_hw_params_get_subformat_mask(snd_pcm_hw_params_t *params, snd_pcm_subformat_mask_t *mask); + +int snd_pcm_hw_params_get_channels(const snd_pcm_hw_params_t *params, unsigned int *val); +int snd_pcm_hw_params_get_channels_min(const snd_pcm_hw_params_t *params, unsigned int *val); +int snd_pcm_hw_params_get_channels_max(const snd_pcm_hw_params_t *params, unsigned int *val); +int snd_pcm_hw_params_test_channels(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val); +int snd_pcm_hw_params_set_channels(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val); +int snd_pcm_hw_params_set_channels_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val); +int snd_pcm_hw_params_set_channels_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val); +int snd_pcm_hw_params_set_channels_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, unsigned int *max); +int snd_pcm_hw_params_set_channels_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val); +int snd_pcm_hw_params_set_channels_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val); +int snd_pcm_hw_params_set_channels_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val); + +int snd_pcm_hw_params_get_rate(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_get_rate_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_get_rate_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_test_rate(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); +int snd_pcm_hw_params_set_rate(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); +int snd_pcm_hw_params_set_rate_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_set_rate_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_set_rate_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir); +int snd_pcm_hw_params_set_rate_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_set_rate_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_set_rate_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_set_rate_resample(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val); +int snd_pcm_hw_params_get_rate_resample(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val); +int snd_pcm_hw_params_set_export_buffer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val); +int snd_pcm_hw_params_get_export_buffer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val); +int snd_pcm_hw_params_set_period_wakeup(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val); +int snd_pcm_hw_params_get_period_wakeup(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val); + +int snd_pcm_hw_params_get_period_time(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_get_period_time_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_get_period_time_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_test_period_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); +int snd_pcm_hw_params_set_period_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); +int snd_pcm_hw_params_set_period_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_set_period_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_set_period_time_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir); +int snd_pcm_hw_params_set_period_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_set_period_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_set_period_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); + +int snd_pcm_hw_params_get_period_size(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *frames, int *dir); +int snd_pcm_hw_params_get_period_size_min(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *frames, int *dir); +int snd_pcm_hw_params_get_period_size_max(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *frames, int *dir); +int snd_pcm_hw_params_test_period_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val, int dir); +int snd_pcm_hw_params_set_period_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val, int dir); +int snd_pcm_hw_params_set_period_size_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir); +int snd_pcm_hw_params_set_period_size_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir); +int snd_pcm_hw_params_set_period_size_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *min, int *mindir, snd_pcm_uframes_t *max, int *maxdir); +int snd_pcm_hw_params_set_period_size_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir); +int snd_pcm_hw_params_set_period_size_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir); +int snd_pcm_hw_params_set_period_size_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir); +int snd_pcm_hw_params_set_period_size_integer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); + +int snd_pcm_hw_params_get_periods(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_get_periods_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_get_periods_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_test_periods(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); +int snd_pcm_hw_params_set_periods(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); +int snd_pcm_hw_params_set_periods_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_set_periods_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_set_periods_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir); +int snd_pcm_hw_params_set_periods_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_set_periods_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_set_periods_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_set_periods_integer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); + +int snd_pcm_hw_params_get_buffer_time(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_get_buffer_time_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_get_buffer_time_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_test_buffer_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); +int snd_pcm_hw_params_set_buffer_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir); +int snd_pcm_hw_params_set_buffer_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_set_buffer_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_set_buffer_time_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir); +int snd_pcm_hw_params_set_buffer_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_set_buffer_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); +int snd_pcm_hw_params_set_buffer_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir); + +int snd_pcm_hw_params_get_buffer_size(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val); +int snd_pcm_hw_params_get_buffer_size_min(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val); +int snd_pcm_hw_params_get_buffer_size_max(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val); +int snd_pcm_hw_params_test_buffer_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val); +int snd_pcm_hw_params_set_buffer_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val); +int snd_pcm_hw_params_set_buffer_size_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val); +int snd_pcm_hw_params_set_buffer_size_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val); +int snd_pcm_hw_params_set_buffer_size_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *min, snd_pcm_uframes_t *max); +int snd_pcm_hw_params_set_buffer_size_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val); +int snd_pcm_hw_params_set_buffer_size_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val); +int snd_pcm_hw_params_set_buffer_size_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val); + +#endif /* !ALSA_LIBRARY_BUILD && !ALSA_PCM_OLD_HW_PARAMS_API */ + +int snd_pcm_hw_params_get_min_align(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val); + +/** \} */ + +/** + * \defgroup PCM_SW_Params Software Parameters + * \ingroup PCM + * See the \ref pcm page for more details. + * \{ + */ + +size_t snd_pcm_sw_params_sizeof(void); +/** \hideinitializer + * \brief allocate an invalid #snd_pcm_sw_params_t using standard alloca + * \param ptr returned pointer + */ +#define snd_pcm_sw_params_alloca(ptr) __snd_alloca(ptr, snd_pcm_sw_params) +int snd_pcm_sw_params_malloc(snd_pcm_sw_params_t **ptr); +void snd_pcm_sw_params_free(snd_pcm_sw_params_t *obj); +void snd_pcm_sw_params_copy(snd_pcm_sw_params_t *dst, const snd_pcm_sw_params_t *src); +int snd_pcm_sw_params_get_boundary(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val); + +#if !defined(ALSA_LIBRARY_BUILD) && !defined(ALSA_PCM_OLD_SW_PARAMS_API) + +int snd_pcm_sw_params_set_tstamp_mode(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_tstamp_t val); +int snd_pcm_sw_params_get_tstamp_mode(const snd_pcm_sw_params_t *params, snd_pcm_tstamp_t *val); +int snd_pcm_sw_params_set_tstamp_type(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_tstamp_type_t val); +int snd_pcm_sw_params_get_tstamp_type(const snd_pcm_sw_params_t *params, snd_pcm_tstamp_type_t *val); +int snd_pcm_sw_params_set_avail_min(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val); +int snd_pcm_sw_params_get_avail_min(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val); +int snd_pcm_sw_params_set_period_event(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, int val); +int snd_pcm_sw_params_get_period_event(const snd_pcm_sw_params_t *params, int *val); +int snd_pcm_sw_params_set_start_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val); +int snd_pcm_sw_params_get_start_threshold(const snd_pcm_sw_params_t *paramsm, snd_pcm_uframes_t *val); +int snd_pcm_sw_params_set_stop_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val); +int snd_pcm_sw_params_get_stop_threshold(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val); +int snd_pcm_sw_params_set_silence_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val); +int snd_pcm_sw_params_get_silence_threshold(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val); +int snd_pcm_sw_params_set_silence_size(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val); +int snd_pcm_sw_params_get_silence_size(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val); + +#endif /* !ALSA_LIBRARY_BUILD && !ALSA_PCM_OLD_SW_PARAMS_API */ + +/** \} */ + +/* include old API */ +#ifndef ALSA_LIBRARY_BUILD +#if defined(ALSA_PCM_OLD_HW_PARAMS_API) || defined(ALSA_PCM_OLD_SW_PARAMS_API) +#include "pcm_old.h" +#endif +#endif + +/** + * \defgroup PCM_Access Access Mask Functions + * \ingroup PCM + * See the \ref pcm page for more details. + * \{ + */ + +size_t snd_pcm_access_mask_sizeof(void); +/** \hideinitializer + * \brief allocate an empty #snd_pcm_access_mask_t using standard alloca + * \param ptr returned pointer + */ +#define snd_pcm_access_mask_alloca(ptr) __snd_alloca(ptr, snd_pcm_access_mask) +int snd_pcm_access_mask_malloc(snd_pcm_access_mask_t **ptr); +void snd_pcm_access_mask_free(snd_pcm_access_mask_t *obj); +void snd_pcm_access_mask_copy(snd_pcm_access_mask_t *dst, const snd_pcm_access_mask_t *src); +void snd_pcm_access_mask_none(snd_pcm_access_mask_t *mask); +void snd_pcm_access_mask_any(snd_pcm_access_mask_t *mask); +int snd_pcm_access_mask_test(const snd_pcm_access_mask_t *mask, snd_pcm_access_t val); +int snd_pcm_access_mask_empty(const snd_pcm_access_mask_t *mask); +void snd_pcm_access_mask_set(snd_pcm_access_mask_t *mask, snd_pcm_access_t val); +void snd_pcm_access_mask_reset(snd_pcm_access_mask_t *mask, snd_pcm_access_t val); + +/** \} */ + +/** + * \defgroup PCM_Format Format Mask Functions + * \ingroup PCM + * See the \ref pcm page for more details. + * \{ + */ + +size_t snd_pcm_format_mask_sizeof(void); +/** \hideinitializer + * \brief allocate an empty #snd_pcm_format_mask_t using standard alloca + * \param ptr returned pointer + */ +#define snd_pcm_format_mask_alloca(ptr) __snd_alloca(ptr, snd_pcm_format_mask) +int snd_pcm_format_mask_malloc(snd_pcm_format_mask_t **ptr); +void snd_pcm_format_mask_free(snd_pcm_format_mask_t *obj); +void snd_pcm_format_mask_copy(snd_pcm_format_mask_t *dst, const snd_pcm_format_mask_t *src); +void snd_pcm_format_mask_none(snd_pcm_format_mask_t *mask); +void snd_pcm_format_mask_any(snd_pcm_format_mask_t *mask); +int snd_pcm_format_mask_test(const snd_pcm_format_mask_t *mask, snd_pcm_format_t val); +int snd_pcm_format_mask_empty(const snd_pcm_format_mask_t *mask); +void snd_pcm_format_mask_set(snd_pcm_format_mask_t *mask, snd_pcm_format_t val); +void snd_pcm_format_mask_reset(snd_pcm_format_mask_t *mask, snd_pcm_format_t val); + +/** \} */ + +/** + * \defgroup PCM_SubFormat Subformat Mask Functions + * \ingroup PCM + * See the \ref pcm page for more details. + * \{ + */ + +size_t snd_pcm_subformat_mask_sizeof(void); +/** \hideinitializer + * \brief allocate an empty #snd_pcm_subformat_mask_t using standard alloca + * \param ptr returned pointer + */ +#define snd_pcm_subformat_mask_alloca(ptr) __snd_alloca(ptr, snd_pcm_subformat_mask) +int snd_pcm_subformat_mask_malloc(snd_pcm_subformat_mask_t **ptr); +void snd_pcm_subformat_mask_free(snd_pcm_subformat_mask_t *obj); +void snd_pcm_subformat_mask_copy(snd_pcm_subformat_mask_t *dst, const snd_pcm_subformat_mask_t *src); +void snd_pcm_subformat_mask_none(snd_pcm_subformat_mask_t *mask); +void snd_pcm_subformat_mask_any(snd_pcm_subformat_mask_t *mask); +int snd_pcm_subformat_mask_test(const snd_pcm_subformat_mask_t *mask, snd_pcm_subformat_t val); +int snd_pcm_subformat_mask_empty(const snd_pcm_subformat_mask_t *mask); +void snd_pcm_subformat_mask_set(snd_pcm_subformat_mask_t *mask, snd_pcm_subformat_t val); +void snd_pcm_subformat_mask_reset(snd_pcm_subformat_mask_t *mask, snd_pcm_subformat_t val); + +/** \} */ + +/** + * \defgroup PCM_Status Status Functions + * \ingroup PCM + * See the \ref pcm page for more details. + * \{ + */ + +size_t snd_pcm_status_sizeof(void); +/** \hideinitializer + * \brief allocate an invalid #snd_pcm_status_t using standard alloca + * \param ptr returned pointer + */ +#define snd_pcm_status_alloca(ptr) __snd_alloca(ptr, snd_pcm_status) +int snd_pcm_status_malloc(snd_pcm_status_t **ptr); +void snd_pcm_status_free(snd_pcm_status_t *obj); +void snd_pcm_status_copy(snd_pcm_status_t *dst, const snd_pcm_status_t *src); +snd_pcm_state_t snd_pcm_status_get_state(const snd_pcm_status_t *obj); +void snd_pcm_status_get_trigger_tstamp(const snd_pcm_status_t *obj, snd_timestamp_t *ptr); +void snd_pcm_status_get_trigger_htstamp(const snd_pcm_status_t *obj, snd_htimestamp_t *ptr); +void snd_pcm_status_get_tstamp(const snd_pcm_status_t *obj, snd_timestamp_t *ptr); +void snd_pcm_status_get_htstamp(const snd_pcm_status_t *obj, snd_htimestamp_t *ptr); +void snd_pcm_status_get_audio_htstamp(const snd_pcm_status_t *obj, snd_htimestamp_t *ptr); +void snd_pcm_status_get_driver_htstamp(const snd_pcm_status_t *obj, snd_htimestamp_t *ptr); +void snd_pcm_status_get_audio_htstamp_report(const snd_pcm_status_t *obj, + snd_pcm_audio_tstamp_report_t *audio_tstamp_report); +void snd_pcm_status_set_audio_htstamp_config(snd_pcm_status_t *obj, + snd_pcm_audio_tstamp_config_t *audio_tstamp_config); + +static inline void snd_pcm_pack_audio_tstamp_config(unsigned int *data, + snd_pcm_audio_tstamp_config_t *config) +{ + *data = config->report_delay; + *data <<= 4; + *data |= config->type_requested; +} + +static inline void snd_pcm_unpack_audio_tstamp_report(unsigned int data, unsigned int accuracy, + snd_pcm_audio_tstamp_report_t *report) +{ + data >>= 16; + report->valid = data & 1; + report->actual_type = (data >> 1) & 0xF; + report->accuracy_report = (data >> 5) & 1; + report->accuracy = accuracy; +} + +snd_pcm_sframes_t snd_pcm_status_get_delay(const snd_pcm_status_t *obj); +snd_pcm_uframes_t snd_pcm_status_get_avail(const snd_pcm_status_t *obj); +snd_pcm_uframes_t snd_pcm_status_get_avail_max(const snd_pcm_status_t *obj); +snd_pcm_uframes_t snd_pcm_status_get_overrange(const snd_pcm_status_t *obj); + +/** \} */ + +/** + * \defgroup PCM_Description Description Functions + * \ingroup PCM + * See the \ref pcm page for more details. + * \{ + */ + +const char *snd_pcm_type_name(snd_pcm_type_t type); +const char *snd_pcm_stream_name(const snd_pcm_stream_t stream); +const char *snd_pcm_access_name(const snd_pcm_access_t _access); +const char *snd_pcm_format_name(const snd_pcm_format_t format); +const char *snd_pcm_format_description(const snd_pcm_format_t format); +const char *snd_pcm_subformat_name(const snd_pcm_subformat_t subformat); +const char *snd_pcm_subformat_description(const snd_pcm_subformat_t subformat); +snd_pcm_format_t snd_pcm_format_value(const char* name); +const char *snd_pcm_tstamp_mode_name(const snd_pcm_tstamp_t mode); +const char *snd_pcm_state_name(const snd_pcm_state_t state); + +/** \} */ + +/** + * \defgroup PCM_Dump Debug Functions + * \ingroup PCM + * See the \ref pcm page for more details. + * \{ + */ + +int snd_pcm_dump(snd_pcm_t *pcm, snd_output_t *out); +int snd_pcm_dump_hw_setup(snd_pcm_t *pcm, snd_output_t *out); +int snd_pcm_dump_sw_setup(snd_pcm_t *pcm, snd_output_t *out); +int snd_pcm_dump_setup(snd_pcm_t *pcm, snd_output_t *out); +int snd_pcm_hw_params_dump(snd_pcm_hw_params_t *params, snd_output_t *out); +int snd_pcm_sw_params_dump(snd_pcm_sw_params_t *params, snd_output_t *out); +int snd_pcm_status_dump(snd_pcm_status_t *status, snd_output_t *out); + +/** \} */ + +/** + * \defgroup PCM_Direct Direct Access (MMAP) Functions + * \ingroup PCM + * See the \ref pcm page for more details. + * \{ + */ + +int snd_pcm_mmap_begin(snd_pcm_t *pcm, + const snd_pcm_channel_area_t **areas, + snd_pcm_uframes_t *offset, + snd_pcm_uframes_t *frames); +snd_pcm_sframes_t snd_pcm_mmap_commit(snd_pcm_t *pcm, + snd_pcm_uframes_t offset, + snd_pcm_uframes_t frames); +snd_pcm_sframes_t snd_pcm_mmap_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size); +snd_pcm_sframes_t snd_pcm_mmap_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size); +snd_pcm_sframes_t snd_pcm_mmap_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size); +snd_pcm_sframes_t snd_pcm_mmap_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size); + +/** \} */ + +/** + * \defgroup PCM_Helpers Helper Functions + * \ingroup PCM + * See the \ref pcm page for more details. + * \{ + */ + +int snd_pcm_format_signed(snd_pcm_format_t format); +int snd_pcm_format_unsigned(snd_pcm_format_t format); +int snd_pcm_format_linear(snd_pcm_format_t format); +int snd_pcm_format_float(snd_pcm_format_t format); +int snd_pcm_format_little_endian(snd_pcm_format_t format); +int snd_pcm_format_big_endian(snd_pcm_format_t format); +int snd_pcm_format_cpu_endian(snd_pcm_format_t format); +int snd_pcm_format_width(snd_pcm_format_t format); /* in bits */ +int snd_pcm_format_physical_width(snd_pcm_format_t format); /* in bits */ +snd_pcm_format_t snd_pcm_build_linear_format(int width, int pwidth, int unsignd, int big_endian); +ssize_t snd_pcm_format_size(snd_pcm_format_t format, size_t samples); +u_int8_t snd_pcm_format_silence(snd_pcm_format_t format); +u_int16_t snd_pcm_format_silence_16(snd_pcm_format_t format); +u_int32_t snd_pcm_format_silence_32(snd_pcm_format_t format); +u_int64_t snd_pcm_format_silence_64(snd_pcm_format_t format); +int snd_pcm_format_set_silence(snd_pcm_format_t format, void *buf, unsigned int samples); + +snd_pcm_sframes_t snd_pcm_bytes_to_frames(snd_pcm_t *pcm, ssize_t bytes); +ssize_t snd_pcm_frames_to_bytes(snd_pcm_t *pcm, snd_pcm_sframes_t frames); +long snd_pcm_bytes_to_samples(snd_pcm_t *pcm, ssize_t bytes); +ssize_t snd_pcm_samples_to_bytes(snd_pcm_t *pcm, long samples); + +int snd_pcm_area_silence(const snd_pcm_channel_area_t *dst_channel, snd_pcm_uframes_t dst_offset, + unsigned int samples, snd_pcm_format_t format); +int snd_pcm_areas_silence(const snd_pcm_channel_area_t *dst_channels, snd_pcm_uframes_t dst_offset, + unsigned int channels, snd_pcm_uframes_t frames, snd_pcm_format_t format); +int snd_pcm_area_copy(const snd_pcm_channel_area_t *dst_channel, snd_pcm_uframes_t dst_offset, + const snd_pcm_channel_area_t *src_channel, snd_pcm_uframes_t src_offset, + unsigned int samples, snd_pcm_format_t format); +int snd_pcm_areas_copy(const snd_pcm_channel_area_t *dst_channels, snd_pcm_uframes_t dst_offset, + const snd_pcm_channel_area_t *src_channels, snd_pcm_uframes_t src_offset, + unsigned int channels, snd_pcm_uframes_t frames, snd_pcm_format_t format); + +/** \} */ + +/** + * \defgroup PCM_Hook Hook Extension + * \ingroup PCM + * See the \ref pcm page for more details. + * \{ + */ + +/** type of pcm hook */ +typedef enum _snd_pcm_hook_type { + SND_PCM_HOOK_TYPE_HW_PARAMS = 0, + SND_PCM_HOOK_TYPE_HW_FREE, + SND_PCM_HOOK_TYPE_CLOSE, + SND_PCM_HOOK_TYPE_LAST = SND_PCM_HOOK_TYPE_CLOSE +} snd_pcm_hook_type_t; + +/** PCM hook container */ +typedef struct _snd_pcm_hook snd_pcm_hook_t; +/** PCM hook callback function */ +typedef int (*snd_pcm_hook_func_t)(snd_pcm_hook_t *hook); +snd_pcm_t *snd_pcm_hook_get_pcm(snd_pcm_hook_t *hook); +void *snd_pcm_hook_get_private(snd_pcm_hook_t *hook); +void snd_pcm_hook_set_private(snd_pcm_hook_t *hook, void *private_data); +int snd_pcm_hook_add(snd_pcm_hook_t **hookp, snd_pcm_t *pcm, + snd_pcm_hook_type_t type, + snd_pcm_hook_func_t func, void *private_data); +int snd_pcm_hook_remove(snd_pcm_hook_t *hook); + +/** \} */ + +/** + * \defgroup PCM_Scope Scope Plugin Extension + * \ingroup PCM + * See the \ref pcm page for more details. + * \{ + */ + +/** #SND_PCM_TYPE_METER scope functions */ +typedef struct _snd_pcm_scope_ops { + /** \brief Enable and prepare it using current params + * \param scope scope handle + */ + int (*enable)(snd_pcm_scope_t *scope); + /** \brief Disable + * \param scope scope handle + */ + void (*disable)(snd_pcm_scope_t *scope); + /** \brief PCM has been started + * \param scope scope handle + */ + void (*start)(snd_pcm_scope_t *scope); + /** \brief PCM has been stopped + * \param scope scope handle + */ + void (*stop)(snd_pcm_scope_t *scope); + /** \brief New frames are present + * \param scope scope handle + */ + void (*update)(snd_pcm_scope_t *scope); + /** \brief Reset status + * \param scope scope handle + */ + void (*reset)(snd_pcm_scope_t *scope); + /** \brief PCM is closing + * \param scope scope handle + */ + void (*close)(snd_pcm_scope_t *scope); +} snd_pcm_scope_ops_t; + +snd_pcm_uframes_t snd_pcm_meter_get_bufsize(snd_pcm_t *pcm); +unsigned int snd_pcm_meter_get_channels(snd_pcm_t *pcm); +unsigned int snd_pcm_meter_get_rate(snd_pcm_t *pcm); +snd_pcm_uframes_t snd_pcm_meter_get_now(snd_pcm_t *pcm); +snd_pcm_uframes_t snd_pcm_meter_get_boundary(snd_pcm_t *pcm); +int snd_pcm_meter_add_scope(snd_pcm_t *pcm, snd_pcm_scope_t *scope); +snd_pcm_scope_t *snd_pcm_meter_search_scope(snd_pcm_t *pcm, const char *name); +int snd_pcm_scope_malloc(snd_pcm_scope_t **ptr); +void snd_pcm_scope_set_ops(snd_pcm_scope_t *scope, + const snd_pcm_scope_ops_t *val); +void snd_pcm_scope_set_name(snd_pcm_scope_t *scope, const char *val); +const char *snd_pcm_scope_get_name(snd_pcm_scope_t *scope); +void *snd_pcm_scope_get_callback_private(snd_pcm_scope_t *scope); +void snd_pcm_scope_set_callback_private(snd_pcm_scope_t *scope, void *val); +int snd_pcm_scope_s16_open(snd_pcm_t *pcm, const char *name, + snd_pcm_scope_t **scopep); +int16_t *snd_pcm_scope_s16_get_channel_buffer(snd_pcm_scope_t *scope, + unsigned int channel); + +/** \} */ + +/** + * \defgroup PCM_Simple Simple setup functions + * \ingroup PCM + * See the \ref pcm page for more details. + * \{ + */ + +/** Simple PCM latency type */ +typedef enum _snd_spcm_latency { + /** standard latency - for standard playback or capture + (estimated latency in one direction 350ms) */ + SND_SPCM_LATENCY_STANDARD = 0, + /** medium latency - software phones etc. + (estimated latency in one direction maximally 25ms */ + SND_SPCM_LATENCY_MEDIUM, + /** realtime latency - realtime applications (effect processors etc.) + (estimated latency in one direction 5ms and better) */ + SND_SPCM_LATENCY_REALTIME +} snd_spcm_latency_t; + +/** Simple PCM xrun type */ +typedef enum _snd_spcm_xrun_type { + /** driver / library will ignore all xruns, the stream runs forever */ + SND_SPCM_XRUN_IGNORE = 0, + /** driver / library stops the stream when an xrun occurs */ + SND_SPCM_XRUN_STOP +} snd_spcm_xrun_type_t; + +/** Simple PCM duplex type */ +typedef enum _snd_spcm_duplex_type { + /** liberal duplex - the buffer and period sizes might not match */ + SND_SPCM_DUPLEX_LIBERAL = 0, + /** pedantic duplex - the buffer and period sizes MUST match */ + SND_SPCM_DUPLEX_PEDANTIC +} snd_spcm_duplex_type_t; + +int snd_spcm_init(snd_pcm_t *pcm, + unsigned int rate, + unsigned int channels, + snd_pcm_format_t format, + snd_pcm_subformat_t subformat, + snd_spcm_latency_t latency, + snd_pcm_access_t _access, + snd_spcm_xrun_type_t xrun_type); + +int snd_spcm_init_duplex(snd_pcm_t *playback_pcm, + snd_pcm_t *capture_pcm, + unsigned int rate, + unsigned int channels, + snd_pcm_format_t format, + snd_pcm_subformat_t subformat, + snd_spcm_latency_t latency, + snd_pcm_access_t _access, + snd_spcm_xrun_type_t xrun_type, + snd_spcm_duplex_type_t duplex_type); + +int snd_spcm_init_get_params(snd_pcm_t *pcm, + unsigned int *rate, + snd_pcm_uframes_t *buffer_size, + snd_pcm_uframes_t *period_size); + +/** \} */ + +/** + * \defgroup PCM_Deprecated Deprecated Functions + * \ingroup PCM + * See the \ref pcm page for more details. + * \{ + */ + +/* Deprecated functions, for compatibility */ +const char *snd_pcm_start_mode_name(snd_pcm_start_t mode) __attribute__((deprecated)); +const char *snd_pcm_xrun_mode_name(snd_pcm_xrun_t mode) __attribute__((deprecated)); +int snd_pcm_sw_params_set_start_mode(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_start_t val) __attribute__((deprecated)); +snd_pcm_start_t snd_pcm_sw_params_get_start_mode(const snd_pcm_sw_params_t *params) __attribute__((deprecated)); +int snd_pcm_sw_params_set_xrun_mode(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_xrun_t val) __attribute__((deprecated)); +snd_pcm_xrun_t snd_pcm_sw_params_get_xrun_mode(const snd_pcm_sw_params_t *params) __attribute__((deprecated)); +#if !defined(ALSA_LIBRARY_BUILD) && !defined(ALSA_PCM_OLD_SW_PARAMS_API) +int snd_pcm_sw_params_set_xfer_align(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val) __attribute__((deprecated)); +int snd_pcm_sw_params_get_xfer_align(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val) __attribute__((deprecated)); +int snd_pcm_sw_params_set_sleep_min(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, unsigned int val) __attribute__((deprecated)); +int snd_pcm_sw_params_get_sleep_min(const snd_pcm_sw_params_t *params, unsigned int *val) __attribute__((deprecated)); +#endif /* !ALSA_LIBRARY_BUILD && !ALSA_PCM_OLD_SW_PARAMS_API */ +#if !defined(ALSA_LIBRARY_BUILD) && !defined(ALSA_PCM_OLD_HW_PARAMS_API) +int snd_pcm_hw_params_get_tick_time(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated)); +int snd_pcm_hw_params_get_tick_time_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated)); +int snd_pcm_hw_params_get_tick_time_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated)); +int snd_pcm_hw_params_test_tick_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir) __attribute__((deprecated)); +int snd_pcm_hw_params_set_tick_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir) __attribute__((deprecated)); +int snd_pcm_hw_params_set_tick_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated)); +int snd_pcm_hw_params_set_tick_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated)); +int snd_pcm_hw_params_set_tick_time_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir) __attribute__((deprecated)); +int snd_pcm_hw_params_set_tick_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated)); +int snd_pcm_hw_params_set_tick_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated)); +int snd_pcm_hw_params_set_tick_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated)); +#endif /* !ALSA_LIBRARY_BUILD && !ALSA_PCM_OLD_HW_PARAMS_API */ + +/** \} */ + +#ifdef __cplusplus +} +#endif + +#endif /* __ALSA_PCM_H */ diff --git a/alsa/include/alsa/rawmidi.h b/alsa/include/alsa/rawmidi.h new file mode 100644 index 0000000..1d8fd56 --- /dev/null +++ b/alsa/include/alsa/rawmidi.h @@ -0,0 +1,159 @@ +/** + * \file include/rawmidi.h + * \brief Application interface library for the ALSA driver + * \author Jaroslav Kysela + * \author Abramo Bagnara + * \author Takashi Iwai + * \date 1998-2001 + * + * Application interface library for the ALSA driver + */ +/* + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __ALSA_RAWMIDI_H +#define __ALSA_RAWMIDI_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \defgroup RawMidi RawMidi Interface + * The RawMidi Interface. See \ref rawmidi page for more details. + * \{ + */ + +/** dlsym version for interface entry callback */ +#define SND_RAWMIDI_DLSYM_VERSION _dlsym_rawmidi_001 + +/** RawMidi information container */ +typedef struct _snd_rawmidi_info snd_rawmidi_info_t; +/** RawMidi settings container */ +typedef struct _snd_rawmidi_params snd_rawmidi_params_t; +/** RawMidi status container */ +typedef struct _snd_rawmidi_status snd_rawmidi_status_t; + +/** RawMidi stream (direction) */ +typedef enum _snd_rawmidi_stream { + /** Output stream */ + SND_RAWMIDI_STREAM_OUTPUT = 0, + /** Input stream */ + SND_RAWMIDI_STREAM_INPUT, + SND_RAWMIDI_STREAM_LAST = SND_RAWMIDI_STREAM_INPUT +} snd_rawmidi_stream_t; + +/** Append (flag to open mode) \hideinitializer */ +#define SND_RAWMIDI_APPEND 0x0001 +/** Non blocking mode (flag to open mode) \hideinitializer */ +#define SND_RAWMIDI_NONBLOCK 0x0002 +/** Write sync mode (Flag to open mode) \hideinitializer */ +#define SND_RAWMIDI_SYNC 0x0004 + +/** RawMidi handle */ +typedef struct _snd_rawmidi snd_rawmidi_t; + +/** RawMidi type */ +typedef enum _snd_rawmidi_type { + /** Kernel level RawMidi */ + SND_RAWMIDI_TYPE_HW, + /** Shared memory client RawMidi (not yet implemented) */ + SND_RAWMIDI_TYPE_SHM, + /** INET client RawMidi (not yet implemented) */ + SND_RAWMIDI_TYPE_INET, + /** Virtual (sequencer) RawMidi */ + SND_RAWMIDI_TYPE_VIRTUAL +} snd_rawmidi_type_t; + +int snd_rawmidi_open(snd_rawmidi_t **in_rmidi, snd_rawmidi_t **out_rmidi, + const char *name, int mode); +int snd_rawmidi_open_lconf(snd_rawmidi_t **in_rmidi, snd_rawmidi_t **out_rmidi, + const char *name, int mode, snd_config_t *lconf); +int snd_rawmidi_close(snd_rawmidi_t *rmidi); +int snd_rawmidi_poll_descriptors_count(snd_rawmidi_t *rmidi); +int snd_rawmidi_poll_descriptors(snd_rawmidi_t *rmidi, struct pollfd *pfds, unsigned int space); +int snd_rawmidi_poll_descriptors_revents(snd_rawmidi_t *rawmidi, struct pollfd *pfds, unsigned int nfds, unsigned short *revent); +int snd_rawmidi_nonblock(snd_rawmidi_t *rmidi, int nonblock); +size_t snd_rawmidi_info_sizeof(void); +/** \hideinitializer + * \brief allocate an invalid #snd_rawmidi_info_t using standard alloca + * \param ptr returned pointer + */ +#define snd_rawmidi_info_alloca(ptr) __snd_alloca(ptr, snd_rawmidi_info) +int snd_rawmidi_info_malloc(snd_rawmidi_info_t **ptr); +void snd_rawmidi_info_free(snd_rawmidi_info_t *obj); +void snd_rawmidi_info_copy(snd_rawmidi_info_t *dst, const snd_rawmidi_info_t *src); +unsigned int snd_rawmidi_info_get_device(const snd_rawmidi_info_t *obj); +unsigned int snd_rawmidi_info_get_subdevice(const snd_rawmidi_info_t *obj); +snd_rawmidi_stream_t snd_rawmidi_info_get_stream(const snd_rawmidi_info_t *obj); +int snd_rawmidi_info_get_card(const snd_rawmidi_info_t *obj); +unsigned int snd_rawmidi_info_get_flags(const snd_rawmidi_info_t *obj); +const char *snd_rawmidi_info_get_id(const snd_rawmidi_info_t *obj); +const char *snd_rawmidi_info_get_name(const snd_rawmidi_info_t *obj); +const char *snd_rawmidi_info_get_subdevice_name(const snd_rawmidi_info_t *obj); +unsigned int snd_rawmidi_info_get_subdevices_count(const snd_rawmidi_info_t *obj); +unsigned int snd_rawmidi_info_get_subdevices_avail(const snd_rawmidi_info_t *obj); +void snd_rawmidi_info_set_device(snd_rawmidi_info_t *obj, unsigned int val); +void snd_rawmidi_info_set_subdevice(snd_rawmidi_info_t *obj, unsigned int val); +void snd_rawmidi_info_set_stream(snd_rawmidi_info_t *obj, snd_rawmidi_stream_t val); +int snd_rawmidi_info(snd_rawmidi_t *rmidi, snd_rawmidi_info_t * info); +size_t snd_rawmidi_params_sizeof(void); +/** \hideinitializer + * \brief allocate an invalid #snd_rawmidi_params_t using standard alloca + * \param ptr returned pointer + */ +#define snd_rawmidi_params_alloca(ptr) __snd_alloca(ptr, snd_rawmidi_params) +int snd_rawmidi_params_malloc(snd_rawmidi_params_t **ptr); +void snd_rawmidi_params_free(snd_rawmidi_params_t *obj); +void snd_rawmidi_params_copy(snd_rawmidi_params_t *dst, const snd_rawmidi_params_t *src); +int snd_rawmidi_params_set_buffer_size(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params, size_t val); +size_t snd_rawmidi_params_get_buffer_size(const snd_rawmidi_params_t *params); +int snd_rawmidi_params_set_avail_min(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params, size_t val); +size_t snd_rawmidi_params_get_avail_min(const snd_rawmidi_params_t *params); +int snd_rawmidi_params_set_no_active_sensing(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params, int val); +int snd_rawmidi_params_get_no_active_sensing(const snd_rawmidi_params_t *params); +int snd_rawmidi_params(snd_rawmidi_t *rmidi, snd_rawmidi_params_t * params); +int snd_rawmidi_params_current(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params); +size_t snd_rawmidi_status_sizeof(void); +/** \hideinitializer + * \brief allocate an invalid #snd_rawmidi_status_t using standard alloca + * \param ptr returned pointer + */ +#define snd_rawmidi_status_alloca(ptr) __snd_alloca(ptr, snd_rawmidi_status) +int snd_rawmidi_status_malloc(snd_rawmidi_status_t **ptr); +void snd_rawmidi_status_free(snd_rawmidi_status_t *obj); +void snd_rawmidi_status_copy(snd_rawmidi_status_t *dst, const snd_rawmidi_status_t *src); +void snd_rawmidi_status_get_tstamp(const snd_rawmidi_status_t *obj, snd_htimestamp_t *ptr); +size_t snd_rawmidi_status_get_avail(const snd_rawmidi_status_t *obj); +size_t snd_rawmidi_status_get_xruns(const snd_rawmidi_status_t *obj); +int snd_rawmidi_status(snd_rawmidi_t *rmidi, snd_rawmidi_status_t * status); +int snd_rawmidi_drain(snd_rawmidi_t *rmidi); +int snd_rawmidi_drop(snd_rawmidi_t *rmidi); +ssize_t snd_rawmidi_write(snd_rawmidi_t *rmidi, const void *buffer, size_t size); +ssize_t snd_rawmidi_read(snd_rawmidi_t *rmidi, void *buffer, size_t size); +const char *snd_rawmidi_name(snd_rawmidi_t *rmidi); +snd_rawmidi_type_t snd_rawmidi_type(snd_rawmidi_t *rmidi); +snd_rawmidi_stream_t snd_rawmidi_stream(snd_rawmidi_t *rawmidi); + +/** \} */ + +#ifdef __cplusplus +} +#endif + +#endif /* __RAWMIDI_H */ + diff --git a/alsa/include/alsa/seq.h b/alsa/include/alsa/seq.h new file mode 100644 index 0000000..d05940e --- /dev/null +++ b/alsa/include/alsa/seq.h @@ -0,0 +1,739 @@ +/** + * \file include/seq.h + * \brief Application interface library for the ALSA driver + * \author Jaroslav Kysela + * \author Abramo Bagnara + * \author Takashi Iwai + * \date 1998-2001 + */ +/* + * Application interface library for the ALSA driver + * + * + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __ALSA_SEQ_H +#define __ALSA_SEQ_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \defgroup Sequencer MIDI Sequencer + * MIDI Sequencer Interface. + * See \ref seq page for more details. + * \{ + */ + +/** dlsym version for interface entry callback */ +#define SND_SEQ_DLSYM_VERSION _dlsym_seq_001 + +/** Sequencer handle */ +typedef struct _snd_seq snd_seq_t; + +/** + * sequencer opening stream types + */ +#define SND_SEQ_OPEN_OUTPUT 1 /**< open for output (write) */ +#define SND_SEQ_OPEN_INPUT 2 /**< open for input (read) */ +#define SND_SEQ_OPEN_DUPLEX (SND_SEQ_OPEN_OUTPUT|SND_SEQ_OPEN_INPUT) /**< open for both input and output (read/write) */ + +/** + * sequencer opening mode + */ +#define SND_SEQ_NONBLOCK 0x0001 /**< non-blocking mode (flag to open mode) */ + +/** sequencer handle type */ +typedef enum _snd_seq_type { + SND_SEQ_TYPE_HW, /**< hardware */ + SND_SEQ_TYPE_SHM, /**< shared memory (NYI) */ + SND_SEQ_TYPE_INET /**< network (NYI) */ +} snd_seq_type_t; + +/** special client (port) ids */ +#define SND_SEQ_ADDRESS_UNKNOWN 253 /**< unknown source */ +#define SND_SEQ_ADDRESS_SUBSCRIBERS 254 /**< send event to all subscribed ports */ +#define SND_SEQ_ADDRESS_BROADCAST 255 /**< send event to all queues/clients/ports/channels */ + +/** known client numbers */ +#define SND_SEQ_CLIENT_SYSTEM 0 /**< system client */ + +/* + */ +int snd_seq_open(snd_seq_t **handle, const char *name, int streams, int mode); +int snd_seq_open_lconf(snd_seq_t **handle, const char *name, int streams, int mode, snd_config_t *lconf); +const char *snd_seq_name(snd_seq_t *seq); +snd_seq_type_t snd_seq_type(snd_seq_t *seq); +int snd_seq_close(snd_seq_t *handle); +int snd_seq_poll_descriptors_count(snd_seq_t *handle, short events); +int snd_seq_poll_descriptors(snd_seq_t *handle, struct pollfd *pfds, unsigned int space, short events); +int snd_seq_poll_descriptors_revents(snd_seq_t *seq, struct pollfd *pfds, unsigned int nfds, unsigned short *revents); +int snd_seq_nonblock(snd_seq_t *handle, int nonblock); +int snd_seq_client_id(snd_seq_t *handle); + +size_t snd_seq_get_output_buffer_size(snd_seq_t *handle); +size_t snd_seq_get_input_buffer_size(snd_seq_t *handle); +int snd_seq_set_output_buffer_size(snd_seq_t *handle, size_t size); +int snd_seq_set_input_buffer_size(snd_seq_t *handle, size_t size); + +/** system information container */ +typedef struct _snd_seq_system_info snd_seq_system_info_t; + +size_t snd_seq_system_info_sizeof(void); +/** allocate a #snd_seq_system_info_t container on stack */ +#define snd_seq_system_info_alloca(ptr) \ + __snd_alloca(ptr, snd_seq_system_info) +int snd_seq_system_info_malloc(snd_seq_system_info_t **ptr); +void snd_seq_system_info_free(snd_seq_system_info_t *ptr); +void snd_seq_system_info_copy(snd_seq_system_info_t *dst, const snd_seq_system_info_t *src); + +int snd_seq_system_info_get_queues(const snd_seq_system_info_t *info); +int snd_seq_system_info_get_clients(const snd_seq_system_info_t *info); +int snd_seq_system_info_get_ports(const snd_seq_system_info_t *info); +int snd_seq_system_info_get_channels(const snd_seq_system_info_t *info); +int snd_seq_system_info_get_cur_clients(const snd_seq_system_info_t *info); +int snd_seq_system_info_get_cur_queues(const snd_seq_system_info_t *info); + +int snd_seq_system_info(snd_seq_t *handle, snd_seq_system_info_t *info); + +/** \} */ + + +/** + * \defgroup SeqClient Sequencer Client Interface + * Sequencer Client Interface + * \ingroup Sequencer + * \{ + */ + +/** client information container */ +typedef struct _snd_seq_client_info snd_seq_client_info_t; + +/** client types */ +typedef enum snd_seq_client_type { + SND_SEQ_USER_CLIENT = 1, /**< user client */ + SND_SEQ_KERNEL_CLIENT = 2 /**< kernel client */ +} snd_seq_client_type_t; + +size_t snd_seq_client_info_sizeof(void); +/** allocate a #snd_seq_client_info_t container on stack */ +#define snd_seq_client_info_alloca(ptr) \ + __snd_alloca(ptr, snd_seq_client_info) +int snd_seq_client_info_malloc(snd_seq_client_info_t **ptr); +void snd_seq_client_info_free(snd_seq_client_info_t *ptr); +void snd_seq_client_info_copy(snd_seq_client_info_t *dst, const snd_seq_client_info_t *src); + +int snd_seq_client_info_get_client(const snd_seq_client_info_t *info); +snd_seq_client_type_t snd_seq_client_info_get_type(const snd_seq_client_info_t *info); +const char *snd_seq_client_info_get_name(snd_seq_client_info_t *info); +int snd_seq_client_info_get_broadcast_filter(const snd_seq_client_info_t *info); +int snd_seq_client_info_get_error_bounce(const snd_seq_client_info_t *info); +int snd_seq_client_info_get_card(const snd_seq_client_info_t *info); +int snd_seq_client_info_get_pid(const snd_seq_client_info_t *info); +const unsigned char *snd_seq_client_info_get_event_filter(const snd_seq_client_info_t *info); +int snd_seq_client_info_get_num_ports(const snd_seq_client_info_t *info); +int snd_seq_client_info_get_event_lost(const snd_seq_client_info_t *info); + +void snd_seq_client_info_set_client(snd_seq_client_info_t *info, int client); +void snd_seq_client_info_set_name(snd_seq_client_info_t *info, const char *name); +void snd_seq_client_info_set_broadcast_filter(snd_seq_client_info_t *info, int val); +void snd_seq_client_info_set_error_bounce(snd_seq_client_info_t *info, int val); +void snd_seq_client_info_set_event_filter(snd_seq_client_info_t *info, unsigned char *filter); + +void snd_seq_client_info_event_filter_clear(snd_seq_client_info_t *info); +void snd_seq_client_info_event_filter_add(snd_seq_client_info_t *info, int event_type); +void snd_seq_client_info_event_filter_del(snd_seq_client_info_t *info, int event_type); +int snd_seq_client_info_event_filter_check(snd_seq_client_info_t *info, int event_type); + +int snd_seq_get_client_info(snd_seq_t *handle, snd_seq_client_info_t *info); +int snd_seq_get_any_client_info(snd_seq_t *handle, int client, snd_seq_client_info_t *info); +int snd_seq_set_client_info(snd_seq_t *handle, snd_seq_client_info_t *info); +int snd_seq_query_next_client(snd_seq_t *handle, snd_seq_client_info_t *info); + +/* + */ + +/** client pool information container */ +typedef struct _snd_seq_client_pool snd_seq_client_pool_t; + +size_t snd_seq_client_pool_sizeof(void); +/** allocate a #snd_seq_client_pool_t container on stack */ +#define snd_seq_client_pool_alloca(ptr) \ + __snd_alloca(ptr, snd_seq_client_pool) +int snd_seq_client_pool_malloc(snd_seq_client_pool_t **ptr); +void snd_seq_client_pool_free(snd_seq_client_pool_t *ptr); +void snd_seq_client_pool_copy(snd_seq_client_pool_t *dst, const snd_seq_client_pool_t *src); + +int snd_seq_client_pool_get_client(const snd_seq_client_pool_t *info); +size_t snd_seq_client_pool_get_output_pool(const snd_seq_client_pool_t *info); +size_t snd_seq_client_pool_get_input_pool(const snd_seq_client_pool_t *info); +size_t snd_seq_client_pool_get_output_room(const snd_seq_client_pool_t *info); +size_t snd_seq_client_pool_get_output_free(const snd_seq_client_pool_t *info); +size_t snd_seq_client_pool_get_input_free(const snd_seq_client_pool_t *info); +void snd_seq_client_pool_set_output_pool(snd_seq_client_pool_t *info, size_t size); +void snd_seq_client_pool_set_input_pool(snd_seq_client_pool_t *info, size_t size); +void snd_seq_client_pool_set_output_room(snd_seq_client_pool_t *info, size_t size); + +int snd_seq_get_client_pool(snd_seq_t *handle, snd_seq_client_pool_t *info); +int snd_seq_set_client_pool(snd_seq_t *handle, snd_seq_client_pool_t *info); + + +/** \} */ + + +/** + * \defgroup SeqPort Sequencer Port Interface + * Sequencer Port Interface + * \ingroup Sequencer + * \{ + */ + +/** port information container */ +typedef struct _snd_seq_port_info snd_seq_port_info_t; + +/** known port numbers */ +#define SND_SEQ_PORT_SYSTEM_TIMER 0 /**< system timer port */ +#define SND_SEQ_PORT_SYSTEM_ANNOUNCE 1 /**< system announce port */ + +/** port capabilities (32 bits) */ +#define SND_SEQ_PORT_CAP_READ (1<<0) /**< readable from this port */ +#define SND_SEQ_PORT_CAP_WRITE (1<<1) /**< writable to this port */ + +#define SND_SEQ_PORT_CAP_SYNC_READ (1<<2) /**< allow read subscriptions */ +#define SND_SEQ_PORT_CAP_SYNC_WRITE (1<<3) /**< allow write subscriptions */ + +#define SND_SEQ_PORT_CAP_DUPLEX (1<<4) /**< allow read/write duplex */ + +#define SND_SEQ_PORT_CAP_SUBS_READ (1<<5) /**< allow read subscription */ +#define SND_SEQ_PORT_CAP_SUBS_WRITE (1<<6) /**< allow write subscription */ +#define SND_SEQ_PORT_CAP_NO_EXPORT (1<<7) /**< routing not allowed */ + +/* port type */ +/** Messages sent from/to this port have device-specific semantics. */ +#define SND_SEQ_PORT_TYPE_SPECIFIC (1<<0) +/** This port understands MIDI messages. */ +#define SND_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1) +/** This port is compatible with the General MIDI specification. */ +#define SND_SEQ_PORT_TYPE_MIDI_GM (1<<2) +/** This port is compatible with the Roland GS standard. */ +#define SND_SEQ_PORT_TYPE_MIDI_GS (1<<3) +/** This port is compatible with the Yamaha XG specification. */ +#define SND_SEQ_PORT_TYPE_MIDI_XG (1<<4) +/** This port is compatible with the Roland MT-32. */ +#define SND_SEQ_PORT_TYPE_MIDI_MT32 (1<<5) +/** This port is compatible with the General MIDI 2 specification. */ +#define SND_SEQ_PORT_TYPE_MIDI_GM2 (1<<6) +/** This port understands SND_SEQ_EVENT_SAMPLE_xxx messages + (these are not MIDI messages). */ +#define SND_SEQ_PORT_TYPE_SYNTH (1<<10) +/** Instruments can be downloaded to this port + (with SND_SEQ_EVENT_INSTR_xxx messages sent directly). */ +#define SND_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11) +/** Instruments can be downloaded to this port + (with SND_SEQ_EVENT_INSTR_xxx messages sent directly or through a queue). */ +#define SND_SEQ_PORT_TYPE_SAMPLE (1<<12) +/** This port is implemented in hardware. */ +#define SND_SEQ_PORT_TYPE_HARDWARE (1<<16) +/** This port is implemented in software. */ +#define SND_SEQ_PORT_TYPE_SOFTWARE (1<<17) +/** Messages sent to this port will generate sounds. */ +#define SND_SEQ_PORT_TYPE_SYNTHESIZER (1<<18) +/** This port may connect to other devices + (whose characteristics are not known). */ +#define SND_SEQ_PORT_TYPE_PORT (1<<19) +/** This port belongs to an application, such as a sequencer or editor. */ +#define SND_SEQ_PORT_TYPE_APPLICATION (1<<20) + + +size_t snd_seq_port_info_sizeof(void); +/** allocate a #snd_seq_port_info_t container on stack */ +#define snd_seq_port_info_alloca(ptr) \ + __snd_alloca(ptr, snd_seq_port_info) +int snd_seq_port_info_malloc(snd_seq_port_info_t **ptr); +void snd_seq_port_info_free(snd_seq_port_info_t *ptr); +void snd_seq_port_info_copy(snd_seq_port_info_t *dst, const snd_seq_port_info_t *src); + +int snd_seq_port_info_get_client(const snd_seq_port_info_t *info); +int snd_seq_port_info_get_port(const snd_seq_port_info_t *info); +const snd_seq_addr_t *snd_seq_port_info_get_addr(const snd_seq_port_info_t *info); +const char *snd_seq_port_info_get_name(const snd_seq_port_info_t *info); +unsigned int snd_seq_port_info_get_capability(const snd_seq_port_info_t *info); +unsigned int snd_seq_port_info_get_type(const snd_seq_port_info_t *info); +int snd_seq_port_info_get_midi_channels(const snd_seq_port_info_t *info); +int snd_seq_port_info_get_midi_voices(const snd_seq_port_info_t *info); +int snd_seq_port_info_get_synth_voices(const snd_seq_port_info_t *info); +int snd_seq_port_info_get_read_use(const snd_seq_port_info_t *info); +int snd_seq_port_info_get_write_use(const snd_seq_port_info_t *info); +int snd_seq_port_info_get_port_specified(const snd_seq_port_info_t *info); +int snd_seq_port_info_get_timestamping(const snd_seq_port_info_t *info); +int snd_seq_port_info_get_timestamp_real(const snd_seq_port_info_t *info); +int snd_seq_port_info_get_timestamp_queue(const snd_seq_port_info_t *info); + +void snd_seq_port_info_set_client(snd_seq_port_info_t *info, int client); +void snd_seq_port_info_set_port(snd_seq_port_info_t *info, int port); +void snd_seq_port_info_set_addr(snd_seq_port_info_t *info, const snd_seq_addr_t *addr); +void snd_seq_port_info_set_name(snd_seq_port_info_t *info, const char *name); +void snd_seq_port_info_set_capability(snd_seq_port_info_t *info, unsigned int capability); +void snd_seq_port_info_set_type(snd_seq_port_info_t *info, unsigned int type); +void snd_seq_port_info_set_midi_channels(snd_seq_port_info_t *info, int channels); +void snd_seq_port_info_set_midi_voices(snd_seq_port_info_t *info, int voices); +void snd_seq_port_info_set_synth_voices(snd_seq_port_info_t *info, int voices); +void snd_seq_port_info_set_port_specified(snd_seq_port_info_t *info, int val); +void snd_seq_port_info_set_timestamping(snd_seq_port_info_t *info, int enable); +void snd_seq_port_info_set_timestamp_real(snd_seq_port_info_t *info, int realtime); +void snd_seq_port_info_set_timestamp_queue(snd_seq_port_info_t *info, int queue); + +int snd_seq_create_port(snd_seq_t *handle, snd_seq_port_info_t *info); +int snd_seq_delete_port(snd_seq_t *handle, int port); +int snd_seq_get_port_info(snd_seq_t *handle, int port, snd_seq_port_info_t *info); +int snd_seq_get_any_port_info(snd_seq_t *handle, int client, int port, snd_seq_port_info_t *info); +int snd_seq_set_port_info(snd_seq_t *handle, int port, snd_seq_port_info_t *info); +int snd_seq_query_next_port(snd_seq_t *handle, snd_seq_port_info_t *info); + +/** \} */ + + +/** + * \defgroup SeqSubscribe Sequencer Port Subscription + * Sequencer Port Subscription + * \ingroup Sequencer + * \{ + */ + +/** port subscription container */ +typedef struct _snd_seq_port_subscribe snd_seq_port_subscribe_t; + +size_t snd_seq_port_subscribe_sizeof(void); +/** allocate a #snd_seq_port_subscribe_t container on stack */ +#define snd_seq_port_subscribe_alloca(ptr) \ + __snd_alloca(ptr, snd_seq_port_subscribe) +int snd_seq_port_subscribe_malloc(snd_seq_port_subscribe_t **ptr); +void snd_seq_port_subscribe_free(snd_seq_port_subscribe_t *ptr); +void snd_seq_port_subscribe_copy(snd_seq_port_subscribe_t *dst, const snd_seq_port_subscribe_t *src); + +const snd_seq_addr_t *snd_seq_port_subscribe_get_sender(const snd_seq_port_subscribe_t *info); +const snd_seq_addr_t *snd_seq_port_subscribe_get_dest(const snd_seq_port_subscribe_t *info); +int snd_seq_port_subscribe_get_queue(const snd_seq_port_subscribe_t *info); +int snd_seq_port_subscribe_get_exclusive(const snd_seq_port_subscribe_t *info); +int snd_seq_port_subscribe_get_time_update(const snd_seq_port_subscribe_t *info); +int snd_seq_port_subscribe_get_time_real(const snd_seq_port_subscribe_t *info); + +void snd_seq_port_subscribe_set_sender(snd_seq_port_subscribe_t *info, const snd_seq_addr_t *addr); +void snd_seq_port_subscribe_set_dest(snd_seq_port_subscribe_t *info, const snd_seq_addr_t *addr); +void snd_seq_port_subscribe_set_queue(snd_seq_port_subscribe_t *info, int q); +void snd_seq_port_subscribe_set_exclusive(snd_seq_port_subscribe_t *info, int val); +void snd_seq_port_subscribe_set_time_update(snd_seq_port_subscribe_t *info, int val); +void snd_seq_port_subscribe_set_time_real(snd_seq_port_subscribe_t *info, int val); + +int snd_seq_get_port_subscription(snd_seq_t *handle, snd_seq_port_subscribe_t *sub); +int snd_seq_subscribe_port(snd_seq_t *handle, snd_seq_port_subscribe_t *sub); +int snd_seq_unsubscribe_port(snd_seq_t *handle, snd_seq_port_subscribe_t *sub); + +/* + */ + +/** subscription query container */ +typedef struct _snd_seq_query_subscribe snd_seq_query_subscribe_t; + +/** type of query subscription */ +typedef enum { + SND_SEQ_QUERY_SUBS_READ, /**< query read subscriptions */ + SND_SEQ_QUERY_SUBS_WRITE /**< query write subscriptions */ +} snd_seq_query_subs_type_t; + +size_t snd_seq_query_subscribe_sizeof(void); +/** allocate a #snd_seq_query_subscribe_t container on stack */ +#define snd_seq_query_subscribe_alloca(ptr) \ + __snd_alloca(ptr, snd_seq_query_subscribe) +int snd_seq_query_subscribe_malloc(snd_seq_query_subscribe_t **ptr); +void snd_seq_query_subscribe_free(snd_seq_query_subscribe_t *ptr); +void snd_seq_query_subscribe_copy(snd_seq_query_subscribe_t *dst, const snd_seq_query_subscribe_t *src); + +int snd_seq_query_subscribe_get_client(const snd_seq_query_subscribe_t *info); +int snd_seq_query_subscribe_get_port(const snd_seq_query_subscribe_t *info); +const snd_seq_addr_t *snd_seq_query_subscribe_get_root(const snd_seq_query_subscribe_t *info); +snd_seq_query_subs_type_t snd_seq_query_subscribe_get_type(const snd_seq_query_subscribe_t *info); +int snd_seq_query_subscribe_get_index(const snd_seq_query_subscribe_t *info); +int snd_seq_query_subscribe_get_num_subs(const snd_seq_query_subscribe_t *info); +const snd_seq_addr_t *snd_seq_query_subscribe_get_addr(const snd_seq_query_subscribe_t *info); +int snd_seq_query_subscribe_get_queue(const snd_seq_query_subscribe_t *info); +int snd_seq_query_subscribe_get_exclusive(const snd_seq_query_subscribe_t *info); +int snd_seq_query_subscribe_get_time_update(const snd_seq_query_subscribe_t *info); +int snd_seq_query_subscribe_get_time_real(const snd_seq_query_subscribe_t *info); + +void snd_seq_query_subscribe_set_client(snd_seq_query_subscribe_t *info, int client); +void snd_seq_query_subscribe_set_port(snd_seq_query_subscribe_t *info, int port); +void snd_seq_query_subscribe_set_root(snd_seq_query_subscribe_t *info, const snd_seq_addr_t *addr); +void snd_seq_query_subscribe_set_type(snd_seq_query_subscribe_t *info, snd_seq_query_subs_type_t type); +void snd_seq_query_subscribe_set_index(snd_seq_query_subscribe_t *info, int _index); + +int snd_seq_query_port_subscribers(snd_seq_t *seq, snd_seq_query_subscribe_t * subs); + +/** \} */ + + +/** + * \defgroup SeqQueue Sequencer Queue Interface + * Sequencer Queue Interface + * \ingroup Sequencer + * \{ + */ + +/** queue information container */ +typedef struct _snd_seq_queue_info snd_seq_queue_info_t; +/** queue status container */ +typedef struct _snd_seq_queue_status snd_seq_queue_status_t; +/** queue tempo container */ +typedef struct _snd_seq_queue_tempo snd_seq_queue_tempo_t; +/** queue timer information container */ +typedef struct _snd_seq_queue_timer snd_seq_queue_timer_t; + +/** special queue ids */ +#define SND_SEQ_QUEUE_DIRECT 253 /**< direct dispatch */ + +size_t snd_seq_queue_info_sizeof(void); +/** allocate a #snd_seq_queue_info_t container on stack */ +#define snd_seq_queue_info_alloca(ptr) \ + __snd_alloca(ptr, snd_seq_queue_info) +int snd_seq_queue_info_malloc(snd_seq_queue_info_t **ptr); +void snd_seq_queue_info_free(snd_seq_queue_info_t *ptr); +void snd_seq_queue_info_copy(snd_seq_queue_info_t *dst, const snd_seq_queue_info_t *src); + +int snd_seq_queue_info_get_queue(const snd_seq_queue_info_t *info); +const char *snd_seq_queue_info_get_name(const snd_seq_queue_info_t *info); +int snd_seq_queue_info_get_owner(const snd_seq_queue_info_t *info); +int snd_seq_queue_info_get_locked(const snd_seq_queue_info_t *info); +unsigned int snd_seq_queue_info_get_flags(const snd_seq_queue_info_t *info); + +void snd_seq_queue_info_set_name(snd_seq_queue_info_t *info, const char *name); +void snd_seq_queue_info_set_owner(snd_seq_queue_info_t *info, int owner); +void snd_seq_queue_info_set_locked(snd_seq_queue_info_t *info, int locked); +void snd_seq_queue_info_set_flags(snd_seq_queue_info_t *info, unsigned int flags); + +int snd_seq_create_queue(snd_seq_t *seq, snd_seq_queue_info_t *info); +int snd_seq_alloc_named_queue(snd_seq_t *seq, const char *name); +int snd_seq_alloc_queue(snd_seq_t *handle); +int snd_seq_free_queue(snd_seq_t *handle, int q); +int snd_seq_get_queue_info(snd_seq_t *seq, int q, snd_seq_queue_info_t *info); +int snd_seq_set_queue_info(snd_seq_t *seq, int q, snd_seq_queue_info_t *info); +int snd_seq_query_named_queue(snd_seq_t *seq, const char *name); + +int snd_seq_get_queue_usage(snd_seq_t *handle, int q); +int snd_seq_set_queue_usage(snd_seq_t *handle, int q, int used); + +/* + */ +size_t snd_seq_queue_status_sizeof(void); +/** allocate a #snd_seq_queue_status_t container on stack */ +#define snd_seq_queue_status_alloca(ptr) \ + __snd_alloca(ptr, snd_seq_queue_status) +int snd_seq_queue_status_malloc(snd_seq_queue_status_t **ptr); +void snd_seq_queue_status_free(snd_seq_queue_status_t *ptr); +void snd_seq_queue_status_copy(snd_seq_queue_status_t *dst, const snd_seq_queue_status_t *src); + +int snd_seq_queue_status_get_queue(const snd_seq_queue_status_t *info); +int snd_seq_queue_status_get_events(const snd_seq_queue_status_t *info); +snd_seq_tick_time_t snd_seq_queue_status_get_tick_time(const snd_seq_queue_status_t *info); +const snd_seq_real_time_t *snd_seq_queue_status_get_real_time(const snd_seq_queue_status_t *info); +unsigned int snd_seq_queue_status_get_status(const snd_seq_queue_status_t *info); + +int snd_seq_get_queue_status(snd_seq_t *handle, int q, snd_seq_queue_status_t *status); + +/* + */ +size_t snd_seq_queue_tempo_sizeof(void); +/** allocate a #snd_seq_queue_tempo_t container on stack */ +#define snd_seq_queue_tempo_alloca(ptr) \ + __snd_alloca(ptr, snd_seq_queue_tempo) +int snd_seq_queue_tempo_malloc(snd_seq_queue_tempo_t **ptr); +void snd_seq_queue_tempo_free(snd_seq_queue_tempo_t *ptr); +void snd_seq_queue_tempo_copy(snd_seq_queue_tempo_t *dst, const snd_seq_queue_tempo_t *src); + +int snd_seq_queue_tempo_get_queue(const snd_seq_queue_tempo_t *info); +unsigned int snd_seq_queue_tempo_get_tempo(const snd_seq_queue_tempo_t *info); +int snd_seq_queue_tempo_get_ppq(const snd_seq_queue_tempo_t *info); +unsigned int snd_seq_queue_tempo_get_skew(const snd_seq_queue_tempo_t *info); +unsigned int snd_seq_queue_tempo_get_skew_base(const snd_seq_queue_tempo_t *info); +void snd_seq_queue_tempo_set_tempo(snd_seq_queue_tempo_t *info, unsigned int tempo); +void snd_seq_queue_tempo_set_ppq(snd_seq_queue_tempo_t *info, int ppq); +void snd_seq_queue_tempo_set_skew(snd_seq_queue_tempo_t *info, unsigned int skew); +void snd_seq_queue_tempo_set_skew_base(snd_seq_queue_tempo_t *info, unsigned int base); + +int snd_seq_get_queue_tempo(snd_seq_t *handle, int q, snd_seq_queue_tempo_t *tempo); +int snd_seq_set_queue_tempo(snd_seq_t *handle, int q, snd_seq_queue_tempo_t *tempo); + +/* + */ + +/** sequencer timer sources */ +typedef enum { + SND_SEQ_TIMER_ALSA = 0, /* ALSA timer */ + SND_SEQ_TIMER_MIDI_CLOCK = 1, /* Midi Clock (CLOCK event) */ + SND_SEQ_TIMER_MIDI_TICK = 2 /* Midi Timer Tick (TICK event */ +} snd_seq_queue_timer_type_t; + +size_t snd_seq_queue_timer_sizeof(void); +/** allocate a #snd_seq_queue_timer_t container on stack */ +#define snd_seq_queue_timer_alloca(ptr) \ + __snd_alloca(ptr, snd_seq_queue_timer) +int snd_seq_queue_timer_malloc(snd_seq_queue_timer_t **ptr); +void snd_seq_queue_timer_free(snd_seq_queue_timer_t *ptr); +void snd_seq_queue_timer_copy(snd_seq_queue_timer_t *dst, const snd_seq_queue_timer_t *src); + +int snd_seq_queue_timer_get_queue(const snd_seq_queue_timer_t *info); +snd_seq_queue_timer_type_t snd_seq_queue_timer_get_type(const snd_seq_queue_timer_t *info); +const snd_timer_id_t *snd_seq_queue_timer_get_id(const snd_seq_queue_timer_t *info); +unsigned int snd_seq_queue_timer_get_resolution(const snd_seq_queue_timer_t *info); + +void snd_seq_queue_timer_set_type(snd_seq_queue_timer_t *info, snd_seq_queue_timer_type_t type); +void snd_seq_queue_timer_set_id(snd_seq_queue_timer_t *info, const snd_timer_id_t *id); +void snd_seq_queue_timer_set_resolution(snd_seq_queue_timer_t *info, unsigned int resolution); + +int snd_seq_get_queue_timer(snd_seq_t *handle, int q, snd_seq_queue_timer_t *timer); +int snd_seq_set_queue_timer(snd_seq_t *handle, int q, snd_seq_queue_timer_t *timer); + +/** \} */ + +/** + * \defgroup SeqEvent Sequencer Event API + * Sequencer Event API + * \ingroup Sequencer + * \{ + */ + +int snd_seq_free_event(snd_seq_event_t *ev); +ssize_t snd_seq_event_length(snd_seq_event_t *ev); +int snd_seq_event_output(snd_seq_t *handle, snd_seq_event_t *ev); +int snd_seq_event_output_buffer(snd_seq_t *handle, snd_seq_event_t *ev); +int snd_seq_event_output_direct(snd_seq_t *handle, snd_seq_event_t *ev); +int snd_seq_event_input(snd_seq_t *handle, snd_seq_event_t **ev); +int snd_seq_event_input_pending(snd_seq_t *seq, int fetch_sequencer); +int snd_seq_drain_output(snd_seq_t *handle); +int snd_seq_event_output_pending(snd_seq_t *seq); +int snd_seq_extract_output(snd_seq_t *handle, snd_seq_event_t **ev); +int snd_seq_drop_output(snd_seq_t *handle); +int snd_seq_drop_output_buffer(snd_seq_t *handle); +int snd_seq_drop_input(snd_seq_t *handle); +int snd_seq_drop_input_buffer(snd_seq_t *handle); + +/** event removal conditionals */ +typedef struct _snd_seq_remove_events snd_seq_remove_events_t; + +/** Remove conditional flags */ +#define SND_SEQ_REMOVE_INPUT (1<<0) /**< Flush input queues */ +#define SND_SEQ_REMOVE_OUTPUT (1<<1) /**< Flush output queues */ +#define SND_SEQ_REMOVE_DEST (1<<2) /**< Restrict by destination q:client:port */ +#define SND_SEQ_REMOVE_DEST_CHANNEL (1<<3) /**< Restrict by channel */ +#define SND_SEQ_REMOVE_TIME_BEFORE (1<<4) /**< Restrict to before time */ +#define SND_SEQ_REMOVE_TIME_AFTER (1<<5) /**< Restrict to time or after */ +#define SND_SEQ_REMOVE_TIME_TICK (1<<6) /**< Time is in ticks */ +#define SND_SEQ_REMOVE_EVENT_TYPE (1<<7) /**< Restrict to event type */ +#define SND_SEQ_REMOVE_IGNORE_OFF (1<<8) /**< Do not flush off events */ +#define SND_SEQ_REMOVE_TAG_MATCH (1<<9) /**< Restrict to events with given tag */ + +size_t snd_seq_remove_events_sizeof(void); +/** allocate a #snd_seq_remove_events_t container on stack */ +#define snd_seq_remove_events_alloca(ptr) \ + __snd_alloca(ptr, snd_seq_remove_events) +int snd_seq_remove_events_malloc(snd_seq_remove_events_t **ptr); +void snd_seq_remove_events_free(snd_seq_remove_events_t *ptr); +void snd_seq_remove_events_copy(snd_seq_remove_events_t *dst, const snd_seq_remove_events_t *src); + +unsigned int snd_seq_remove_events_get_condition(const snd_seq_remove_events_t *info); +int snd_seq_remove_events_get_queue(const snd_seq_remove_events_t *info); +const snd_seq_timestamp_t *snd_seq_remove_events_get_time(const snd_seq_remove_events_t *info); +const snd_seq_addr_t *snd_seq_remove_events_get_dest(const snd_seq_remove_events_t *info); +int snd_seq_remove_events_get_channel(const snd_seq_remove_events_t *info); +int snd_seq_remove_events_get_event_type(const snd_seq_remove_events_t *info); +int snd_seq_remove_events_get_tag(const snd_seq_remove_events_t *info); + +void snd_seq_remove_events_set_condition(snd_seq_remove_events_t *info, unsigned int flags); +void snd_seq_remove_events_set_queue(snd_seq_remove_events_t *info, int queue); +void snd_seq_remove_events_set_time(snd_seq_remove_events_t *info, const snd_seq_timestamp_t *time); +void snd_seq_remove_events_set_dest(snd_seq_remove_events_t *info, const snd_seq_addr_t *addr); +void snd_seq_remove_events_set_channel(snd_seq_remove_events_t *info, int channel); +void snd_seq_remove_events_set_event_type(snd_seq_remove_events_t *info, int type); +void snd_seq_remove_events_set_tag(snd_seq_remove_events_t *info, int tag); + +int snd_seq_remove_events(snd_seq_t *handle, snd_seq_remove_events_t *info); + +/** \} */ + +/** + * \defgroup SeqMisc Sequencer Miscellaneous + * Sequencer Miscellaneous + * \ingroup Sequencer + * \{ + */ + +void snd_seq_set_bit(int nr, void *array); +void snd_seq_unset_bit(int nr, void *array); +int snd_seq_change_bit(int nr, void *array); +int snd_seq_get_bit(int nr, void *array); + +/** \} */ + + +/** + * \defgroup SeqEvType Sequencer Event Type Checks + * Sequencer Event Type Checks + * \ingroup Sequencer + * \{ + */ + +/* event type macros */ +enum { + SND_SEQ_EVFLG_RESULT, + SND_SEQ_EVFLG_NOTE, + SND_SEQ_EVFLG_CONTROL, + SND_SEQ_EVFLG_QUEUE, + SND_SEQ_EVFLG_SYSTEM, + SND_SEQ_EVFLG_MESSAGE, + SND_SEQ_EVFLG_CONNECTION, + SND_SEQ_EVFLG_SAMPLE, + SND_SEQ_EVFLG_USERS, + SND_SEQ_EVFLG_INSTR, + SND_SEQ_EVFLG_QUOTE, + SND_SEQ_EVFLG_NONE, + SND_SEQ_EVFLG_RAW, + SND_SEQ_EVFLG_FIXED, + SND_SEQ_EVFLG_VARIABLE, + SND_SEQ_EVFLG_VARUSR +}; + +enum { + SND_SEQ_EVFLG_NOTE_ONEARG, + SND_SEQ_EVFLG_NOTE_TWOARG +}; + +enum { + SND_SEQ_EVFLG_QUEUE_NOARG, + SND_SEQ_EVFLG_QUEUE_TICK, + SND_SEQ_EVFLG_QUEUE_TIME, + SND_SEQ_EVFLG_QUEUE_VALUE +}; + +/** + * Exported event type table + * + * This table is referred by snd_seq_ev_is_xxx. + */ +extern const unsigned int snd_seq_event_types[]; + +#define _SND_SEQ_TYPE(x) (1<<(x)) /**< master type - 24bit */ +#define _SND_SEQ_TYPE_OPT(x) ((x)<<24) /**< optional type - 8bit */ + +/** check the event type */ +#define snd_seq_type_check(ev,x) (snd_seq_event_types[(ev)->type] & _SND_SEQ_TYPE(x)) + +/** event type check: result events */ +#define snd_seq_ev_is_result_type(ev) \ + snd_seq_type_check(ev, SND_SEQ_EVFLG_RESULT) +/** event type check: note events */ +#define snd_seq_ev_is_note_type(ev) \ + snd_seq_type_check(ev, SND_SEQ_EVFLG_NOTE) +/** event type check: control events */ +#define snd_seq_ev_is_control_type(ev) \ + snd_seq_type_check(ev, SND_SEQ_EVFLG_CONTROL) +/** event type check: channel specific events */ +#define snd_seq_ev_is_channel_type(ev) \ + (snd_seq_event_types[(ev)->type] & (_SND_SEQ_TYPE(SND_SEQ_EVFLG_NOTE) | _SND_SEQ_TYPE(SND_SEQ_EVFLG_CONTROL))) + +/** event type check: queue control events */ +#define snd_seq_ev_is_queue_type(ev) \ + snd_seq_type_check(ev, SND_SEQ_EVFLG_QUEUE) +/** event type check: system status messages */ +#define snd_seq_ev_is_message_type(ev) \ + snd_seq_type_check(ev, SND_SEQ_EVFLG_MESSAGE) +/** event type check: system status messages */ +#define snd_seq_ev_is_subscribe_type(ev) \ + snd_seq_type_check(ev, SND_SEQ_EVFLG_CONNECTION) +/** event type check: sample messages */ +#define snd_seq_ev_is_sample_type(ev) \ + snd_seq_type_check(ev, SND_SEQ_EVFLG_SAMPLE) +/** event type check: user-defined messages */ +#define snd_seq_ev_is_user_type(ev) \ + snd_seq_type_check(ev, SND_SEQ_EVFLG_USERS) +/** event type check: instrument layer events */ +#define snd_seq_ev_is_instr_type(ev) \ + snd_seq_type_check(ev, SND_SEQ_EVFLG_INSTR) +/** event type check: fixed length events */ +#define snd_seq_ev_is_fixed_type(ev) \ + snd_seq_type_check(ev, SND_SEQ_EVFLG_FIXED) +/** event type check: variable length events */ +#define snd_seq_ev_is_variable_type(ev) \ + snd_seq_type_check(ev, SND_SEQ_EVFLG_VARIABLE) +/** event type check: user pointer events */ +#define snd_seq_ev_is_varusr_type(ev) \ + snd_seq_type_check(ev, SND_SEQ_EVFLG_VARUSR) +/** event type check: reserved for kernel */ +#define snd_seq_ev_is_reserved(ev) \ + (! snd_seq_event_types[(ev)->type]) + +/** + * macros to check event flags + */ +/** prior events */ +#define snd_seq_ev_is_prior(ev) \ + (((ev)->flags & SND_SEQ_PRIORITY_MASK) == SND_SEQ_PRIORITY_HIGH) + +/** get the data length type */ +#define snd_seq_ev_length_type(ev) \ + ((ev)->flags & SND_SEQ_EVENT_LENGTH_MASK) +/** fixed length events */ +#define snd_seq_ev_is_fixed(ev) \ + (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_FIXED) +/** variable length events */ +#define snd_seq_ev_is_variable(ev) \ + (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_VARIABLE) +/** variable length on user-space */ +#define snd_seq_ev_is_varusr(ev) \ + (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_VARUSR) + +/** time-stamp type */ +#define snd_seq_ev_timestamp_type(ev) \ + ((ev)->flags & SND_SEQ_TIME_STAMP_MASK) +/** event is in tick time */ +#define snd_seq_ev_is_tick(ev) \ + (snd_seq_ev_timestamp_type(ev) == SND_SEQ_TIME_STAMP_TICK) +/** event is in real-time */ +#define snd_seq_ev_is_real(ev) \ + (snd_seq_ev_timestamp_type(ev) == SND_SEQ_TIME_STAMP_REAL) + +/** time-mode type */ +#define snd_seq_ev_timemode_type(ev) \ + ((ev)->flags & SND_SEQ_TIME_MODE_MASK) +/** scheduled in absolute time */ +#define snd_seq_ev_is_abstime(ev) \ + (snd_seq_ev_timemode_type(ev) == SND_SEQ_TIME_MODE_ABS) +/** scheduled in relative time */ +#define snd_seq_ev_is_reltime(ev) \ + (snd_seq_ev_timemode_type(ev) == SND_SEQ_TIME_MODE_REL) + +/** direct dispatched events */ +#define snd_seq_ev_is_direct(ev) \ + ((ev)->queue == SND_SEQ_QUEUE_DIRECT) + +/** \} */ + +#ifdef __cplusplus +} +#endif + +#endif /* __ALSA_SEQ_H */ + diff --git a/alsa/include/alsa/seq_event.h b/alsa/include/alsa/seq_event.h new file mode 100644 index 0000000..6bd0de3 --- /dev/null +++ b/alsa/include/alsa/seq_event.h @@ -0,0 +1,325 @@ +/** + * \file include/seq_event.h + * \brief Application interface library for the ALSA driver + * \author Jaroslav Kysela + * \author Abramo Bagnara + * \author Takashi Iwai + * \date 1998-2001 + * + * Application interface library for the ALSA driver + */ +/* + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __ALSA_SEQ_EVENT_H +#define __ALSA_SEQ_EVENT_H + +/** + * \defgroup SeqEvents Sequencer Event Definitions + * Sequencer Event Definitions + * \ingroup Sequencer + * \{ + */ + +/** + * Sequencer event data type + */ +typedef unsigned char snd_seq_event_type_t; + +/** Sequencer event type */ +enum snd_seq_event_type { + /** system status; event data type = #snd_seq_result_t */ + SND_SEQ_EVENT_SYSTEM = 0, + /** returned result status; event data type = #snd_seq_result_t */ + SND_SEQ_EVENT_RESULT, + + /** note on and off with duration; event data type = #snd_seq_ev_note_t */ + SND_SEQ_EVENT_NOTE = 5, + /** note on; event data type = #snd_seq_ev_note_t */ + SND_SEQ_EVENT_NOTEON, + /** note off; event data type = #snd_seq_ev_note_t */ + SND_SEQ_EVENT_NOTEOFF, + /** key pressure change (aftertouch); event data type = #snd_seq_ev_note_t */ + SND_SEQ_EVENT_KEYPRESS, + + /** controller; event data type = #snd_seq_ev_ctrl_t */ + SND_SEQ_EVENT_CONTROLLER = 10, + /** program change; event data type = #snd_seq_ev_ctrl_t */ + SND_SEQ_EVENT_PGMCHANGE, + /** channel pressure; event data type = #snd_seq_ev_ctrl_t */ + SND_SEQ_EVENT_CHANPRESS, + /** pitchwheel; event data type = #snd_seq_ev_ctrl_t; data is from -8192 to 8191) */ + SND_SEQ_EVENT_PITCHBEND, + /** 14 bit controller value; event data type = #snd_seq_ev_ctrl_t */ + SND_SEQ_EVENT_CONTROL14, + /** 14 bit NRPN; event data type = #snd_seq_ev_ctrl_t */ + SND_SEQ_EVENT_NONREGPARAM, + /** 14 bit RPN; event data type = #snd_seq_ev_ctrl_t */ + SND_SEQ_EVENT_REGPARAM, + + /** SPP with LSB and MSB values; event data type = #snd_seq_ev_ctrl_t */ + SND_SEQ_EVENT_SONGPOS = 20, + /** Song Select with song ID number; event data type = #snd_seq_ev_ctrl_t */ + SND_SEQ_EVENT_SONGSEL, + /** midi time code quarter frame; event data type = #snd_seq_ev_ctrl_t */ + SND_SEQ_EVENT_QFRAME, + /** SMF Time Signature event; event data type = #snd_seq_ev_ctrl_t */ + SND_SEQ_EVENT_TIMESIGN, + /** SMF Key Signature event; event data type = #snd_seq_ev_ctrl_t */ + SND_SEQ_EVENT_KEYSIGN, + + /** MIDI Real Time Start message; event data type = #snd_seq_ev_queue_control_t */ + SND_SEQ_EVENT_START = 30, + /** MIDI Real Time Continue message; event data type = #snd_seq_ev_queue_control_t */ + SND_SEQ_EVENT_CONTINUE, + /** MIDI Real Time Stop message; event data type = #snd_seq_ev_queue_control_t */ + SND_SEQ_EVENT_STOP, + /** Set tick queue position; event data type = #snd_seq_ev_queue_control_t */ + SND_SEQ_EVENT_SETPOS_TICK, + /** Set real-time queue position; event data type = #snd_seq_ev_queue_control_t */ + SND_SEQ_EVENT_SETPOS_TIME, + /** (SMF) Tempo event; event data type = #snd_seq_ev_queue_control_t */ + SND_SEQ_EVENT_TEMPO, + /** MIDI Real Time Clock message; event data type = #snd_seq_ev_queue_control_t */ + SND_SEQ_EVENT_CLOCK, + /** MIDI Real Time Tick message; event data type = #snd_seq_ev_queue_control_t */ + SND_SEQ_EVENT_TICK, + /** Queue timer skew; event data type = #snd_seq_ev_queue_control_t */ + SND_SEQ_EVENT_QUEUE_SKEW, + /** Sync position changed; event data type = #snd_seq_ev_queue_control_t */ + SND_SEQ_EVENT_SYNC_POS, + + /** Tune request; event data type = none */ + SND_SEQ_EVENT_TUNE_REQUEST = 40, + /** Reset to power-on state; event data type = none */ + SND_SEQ_EVENT_RESET, + /** Active sensing event; event data type = none */ + SND_SEQ_EVENT_SENSING, + + /** Echo-back event; event data type = any type */ + SND_SEQ_EVENT_ECHO = 50, + /** OSS emulation raw event; event data type = any type */ + SND_SEQ_EVENT_OSS, + + /** New client has connected; event data type = #snd_seq_addr_t */ + SND_SEQ_EVENT_CLIENT_START = 60, + /** Client has left the system; event data type = #snd_seq_addr_t */ + SND_SEQ_EVENT_CLIENT_EXIT, + /** Client status/info has changed; event data type = #snd_seq_addr_t */ + SND_SEQ_EVENT_CLIENT_CHANGE, + /** New port was created; event data type = #snd_seq_addr_t */ + SND_SEQ_EVENT_PORT_START, + /** Port was deleted from system; event data type = #snd_seq_addr_t */ + SND_SEQ_EVENT_PORT_EXIT, + /** Port status/info has changed; event data type = #snd_seq_addr_t */ + SND_SEQ_EVENT_PORT_CHANGE, + + /** Ports connected; event data type = #snd_seq_connect_t */ + SND_SEQ_EVENT_PORT_SUBSCRIBED, + /** Ports disconnected; event data type = #snd_seq_connect_t */ + SND_SEQ_EVENT_PORT_UNSUBSCRIBED, + + /** user-defined event; event data type = any (fixed size) */ + SND_SEQ_EVENT_USR0 = 90, + /** user-defined event; event data type = any (fixed size) */ + SND_SEQ_EVENT_USR1, + /** user-defined event; event data type = any (fixed size) */ + SND_SEQ_EVENT_USR2, + /** user-defined event; event data type = any (fixed size) */ + SND_SEQ_EVENT_USR3, + /** user-defined event; event data type = any (fixed size) */ + SND_SEQ_EVENT_USR4, + /** user-defined event; event data type = any (fixed size) */ + SND_SEQ_EVENT_USR5, + /** user-defined event; event data type = any (fixed size) */ + SND_SEQ_EVENT_USR6, + /** user-defined event; event data type = any (fixed size) */ + SND_SEQ_EVENT_USR7, + /** user-defined event; event data type = any (fixed size) */ + SND_SEQ_EVENT_USR8, + /** user-defined event; event data type = any (fixed size) */ + SND_SEQ_EVENT_USR9, + + /** system exclusive data (variable length); event data type = #snd_seq_ev_ext_t */ + SND_SEQ_EVENT_SYSEX = 130, + /** error event; event data type = #snd_seq_ev_ext_t */ + SND_SEQ_EVENT_BOUNCE, + /** reserved for user apps; event data type = #snd_seq_ev_ext_t */ + SND_SEQ_EVENT_USR_VAR0 = 135, + /** reserved for user apps; event data type = #snd_seq_ev_ext_t */ + SND_SEQ_EVENT_USR_VAR1, + /** reserved for user apps; event data type = #snd_seq_ev_ext_t */ + SND_SEQ_EVENT_USR_VAR2, + /** reserved for user apps; event data type = #snd_seq_ev_ext_t */ + SND_SEQ_EVENT_USR_VAR3, + /** reserved for user apps; event data type = #snd_seq_ev_ext_t */ + SND_SEQ_EVENT_USR_VAR4, + + /** NOP; ignored in any case */ + SND_SEQ_EVENT_NONE = 255 +}; + + +/** Sequencer event address */ +typedef struct snd_seq_addr { + unsigned char client; /**< Client id */ + unsigned char port; /**< Port id */ +} snd_seq_addr_t; + +/** Connection (subscription) between ports */ +typedef struct snd_seq_connect { + snd_seq_addr_t sender; /**< sender address */ + snd_seq_addr_t dest; /**< destination address */ +} snd_seq_connect_t; + + +/** Real-time data record */ +typedef struct snd_seq_real_time { + unsigned int tv_sec; /**< seconds */ + unsigned int tv_nsec; /**< nanoseconds */ +} snd_seq_real_time_t; + +/** (MIDI) Tick-time data record */ +typedef unsigned int snd_seq_tick_time_t; + +/** unioned time stamp */ +typedef union snd_seq_timestamp { + snd_seq_tick_time_t tick; /**< tick-time */ + struct snd_seq_real_time time; /**< real-time */ +} snd_seq_timestamp_t; + + +/** + * Event mode flags + * + * NOTE: only 8 bits available! + */ +#define SND_SEQ_TIME_STAMP_TICK (0<<0) /**< timestamp in clock ticks */ +#define SND_SEQ_TIME_STAMP_REAL (1<<0) /**< timestamp in real time */ +#define SND_SEQ_TIME_STAMP_MASK (1<<0) /**< mask for timestamp bits */ + +#define SND_SEQ_TIME_MODE_ABS (0<<1) /**< absolute timestamp */ +#define SND_SEQ_TIME_MODE_REL (1<<1) /**< relative to current time */ +#define SND_SEQ_TIME_MODE_MASK (1<<1) /**< mask for time mode bits */ + +#define SND_SEQ_EVENT_LENGTH_FIXED (0<<2) /**< fixed event size */ +#define SND_SEQ_EVENT_LENGTH_VARIABLE (1<<2) /**< variable event size */ +#define SND_SEQ_EVENT_LENGTH_VARUSR (2<<2) /**< variable event size - user memory space */ +#define SND_SEQ_EVENT_LENGTH_MASK (3<<2) /**< mask for event length bits */ + +#define SND_SEQ_PRIORITY_NORMAL (0<<4) /**< normal priority */ +#define SND_SEQ_PRIORITY_HIGH (1<<4) /**< event should be processed before others */ +#define SND_SEQ_PRIORITY_MASK (1<<4) /**< mask for priority bits */ + + +/** Note event */ +typedef struct snd_seq_ev_note { + unsigned char channel; /**< channel number */ + unsigned char note; /**< note */ + unsigned char velocity; /**< velocity */ + unsigned char off_velocity; /**< note-off velocity; only for #SND_SEQ_EVENT_NOTE */ + unsigned int duration; /**< duration until note-off; only for #SND_SEQ_EVENT_NOTE */ +} snd_seq_ev_note_t; + +/** Controller event */ +typedef struct snd_seq_ev_ctrl { + unsigned char channel; /**< channel number */ + unsigned char unused[3]; /**< reserved */ + unsigned int param; /**< control parameter */ + signed int value; /**< control value */ +} snd_seq_ev_ctrl_t; + +/** generic set of bytes (12x8 bit) */ +typedef struct snd_seq_ev_raw8 { + unsigned char d[12]; /**< 8 bit value */ +} snd_seq_ev_raw8_t; + +/** generic set of integers (3x32 bit) */ +typedef struct snd_seq_ev_raw32 { + unsigned int d[3]; /**< 32 bit value */ +} snd_seq_ev_raw32_t; + +/** external stored data */ +struct snd_seq_ev_ext { + unsigned int len; /**< length of data */ + void *ptr; /**< pointer to data (note: can be 64-bit) */ +} __attribute__((packed)); +/** external stored data */ +typedef struct snd_seq_ev_ext snd_seq_ev_ext_t; +#ifdef DOC_HIDDEN +/* redefine typedef for stupid doxygen */ +typedef snd_seq_ev_ext snd_seq_ev_ext_t; +#endif + +/** Result events */ +typedef struct snd_seq_result { + int event; /**< processed event type */ + int result; /**< status */ +} snd_seq_result_t; + +/** Queue skew values */ +typedef struct snd_seq_queue_skew { + unsigned int value; /**< skew value */ + unsigned int base; /**< skew base */ +} snd_seq_queue_skew_t; + +/** queue timer control */ +typedef struct snd_seq_ev_queue_control { + unsigned char queue; /**< affected queue */ + unsigned char unused[3]; /**< reserved */ + union { + signed int value; /**< affected value (e.g. tempo) */ + snd_seq_timestamp_t time; /**< time */ + unsigned int position; /**< sync position */ + snd_seq_queue_skew_t skew; /**< queue skew */ + unsigned int d32[2]; /**< any data */ + unsigned char d8[8]; /**< any data */ + } param; /**< data value union */ +} snd_seq_ev_queue_control_t; + + +/** Sequencer event */ +typedef struct snd_seq_event { + snd_seq_event_type_t type; /**< event type */ + unsigned char flags; /**< event flags */ + unsigned char tag; /**< tag */ + + unsigned char queue; /**< schedule queue */ + snd_seq_timestamp_t time; /**< schedule time */ + + snd_seq_addr_t source; /**< source address */ + snd_seq_addr_t dest; /**< destination address */ + + union { + snd_seq_ev_note_t note; /**< note information */ + snd_seq_ev_ctrl_t control; /**< MIDI control information */ + snd_seq_ev_raw8_t raw8; /**< raw8 data */ + snd_seq_ev_raw32_t raw32; /**< raw32 data */ + snd_seq_ev_ext_t ext; /**< external data */ + snd_seq_ev_queue_control_t queue; /**< queue control */ + snd_seq_timestamp_t time; /**< timestamp */ + snd_seq_addr_t addr; /**< address */ + snd_seq_connect_t connect; /**< connect information */ + snd_seq_result_t result; /**< operation result code */ + } data; /**< event data... */ +} snd_seq_event_t; + + +/** \} */ + +#endif /* __ALSA_SEQ_EVENT_H */ + diff --git a/alsa/include/alsa/seq_midi_event.h b/alsa/include/alsa/seq_midi_event.h new file mode 100644 index 0000000..9b8ee59 --- /dev/null +++ b/alsa/include/alsa/seq_midi_event.h @@ -0,0 +1,65 @@ +/** + * \file include/seq_midi_event.h + * \brief Application interface library for the ALSA driver + * \author Jaroslav Kysela + * \author Abramo Bagnara + * \author Takashi Iwai + * \date 1998-2001 + * + * Application interface library for the ALSA driver + */ +/* + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __ALSA_SEQ_MIDI_EVENT_H +#define __ALSA_SEQ_MIDI_EVENT_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \defgroup MIDI_Event Sequencer event <-> MIDI byte stream coder + * \ingroup Sequencer + * Sequencer event <-> MIDI byte stream coder + * \{ + */ + +/** container for sequencer midi event parsers */ +typedef struct snd_midi_event snd_midi_event_t; + +int snd_midi_event_new(size_t bufsize, snd_midi_event_t **rdev); +int snd_midi_event_resize_buffer(snd_midi_event_t *dev, size_t bufsize); +void snd_midi_event_free(snd_midi_event_t *dev); +void snd_midi_event_init(snd_midi_event_t *dev); +void snd_midi_event_reset_encode(snd_midi_event_t *dev); +void snd_midi_event_reset_decode(snd_midi_event_t *dev); +void snd_midi_event_no_status(snd_midi_event_t *dev, int on); +/* encode from byte stream - return number of written bytes if success */ +long snd_midi_event_encode(snd_midi_event_t *dev, const unsigned char *buf, long count, snd_seq_event_t *ev); +int snd_midi_event_encode_byte(snd_midi_event_t *dev, int c, snd_seq_event_t *ev); +/* decode from event to bytes - return number of written bytes if success */ +long snd_midi_event_decode(snd_midi_event_t *dev, unsigned char *buf, long count, const snd_seq_event_t *ev); + +/** \} */ + +#ifdef __cplusplus +} +#endif + +#endif /* __ALSA_SEQ_MIDI_EVENT_H */ + diff --git a/alsa/include/alsa/seqmid.h b/alsa/include/alsa/seqmid.h new file mode 100644 index 0000000..68069b2 --- /dev/null +++ b/alsa/include/alsa/seqmid.h @@ -0,0 +1,490 @@ +/** + * \file include/seqmid.h + * \brief Application interface library for the ALSA driver + * \author Jaroslav Kysela + * \author Abramo Bagnara + * \author Takashi Iwai + * \date 1998-2001 + * + * Application interface library for the ALSA driver + */ +/* + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __ALSA_SEQMID_H +#define __ALSA_SEQMID_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \defgroup SeqMiddle Sequencer Middle Level Interface + * Sequencer Middle Level Interface + * \ingroup Sequencer + * \{ + */ + +/** + * \brief initialize event record + * \param ev event record pointer + * + * This macro clears the given event record pointer to the default status. + */ +#define snd_seq_ev_clear(ev) \ + memset(ev, 0, sizeof(snd_seq_event_t)) + +/** + * \brief set the tag for given event + * \param ev event record + * \param t event tag + * + * This macro sets the tag to the given event record. + */ +#define snd_seq_ev_set_tag(ev,t) \ + ((ev)->tag = (t)) + +/** + * \brief set the explicit destination + * \param ev event record + * \param c destination client id + * \param p destination port id + * + * This macro sets the client and port id numbers to the given event record. + * + * \sa snd_seq_ev_set_subs() + */ +#define snd_seq_ev_set_dest(ev,c,p) \ + ((ev)->dest.client = (c), (ev)->dest.port = (p)) + +/** + * \brief set broadcasting to subscribers + * \param ev event record + * + * This macro sets the destination as the subscribers. + * + * \sa snd_seq_ev_set_dest() + */ +#define snd_seq_ev_set_subs(ev) \ + ((ev)->dest.client = SND_SEQ_ADDRESS_SUBSCRIBERS,\ + (ev)->dest.port = SND_SEQ_ADDRESS_UNKNOWN) + +/** + * \brief set broadcasting to all clients/ports + * \param ev event record + * + * This macro sets the destination as the broadcasting. + * + * \sa snd_seq_ev_set_dest() + */ +#define snd_seq_ev_set_broadcast(ev) \ + ((ev)->dest.client = SND_SEQ_ADDRESS_BROADCAST,\ + (ev)->dest.port = SND_SEQ_ADDRESS_BROADCAST) + +/** + * \brief set the source port + * \param ev event record + * \param p source port id + * + * This macro sets the source port id number. + */ +#define snd_seq_ev_set_source(ev,p) \ + ((ev)->source.port = (p)) + +/** + * \brief set direct passing mode (without queued) + * \param ev event instance + * + * This macro sets the event to the direct passing mode + * to be delivered immediately without queueing. + * + * \sa snd_seq_ev_schedule_tick(), snd_seq_ev_schedule_real() + */ +#define snd_seq_ev_set_direct(ev) \ + ((ev)->queue = SND_SEQ_QUEUE_DIRECT) + +/** + * \brief set tick-scheduling mode on queue + * \param ev event instance + * \param q queue id to schedule + * \param relative relative time-stamp if non-zero + * \param ttick tick time-stamp to be delivered + * + * This macro sets the scheduling of the event in the + * MIDI tick mode. + * + * \sa snd_seq_ev_schedule_real(), snd_seq_ev_set_direct() + */ +#define snd_seq_ev_schedule_tick(ev, q, relative, ttick) \ + ((ev)->flags &= ~(SND_SEQ_TIME_STAMP_MASK | SND_SEQ_TIME_MODE_MASK),\ + (ev)->flags |= SND_SEQ_TIME_STAMP_TICK,\ + (ev)->flags |= (relative) ? SND_SEQ_TIME_MODE_REL : SND_SEQ_TIME_MODE_ABS,\ + (ev)->time.tick = (ttick),\ + (ev)->queue = (q)) + +/** + * \brief set real-time-scheduling mode on queue + * \param ev event instance + * \param q queue id to schedule + * \param relative relative time-stamp if non-zero + * \param rtime time-stamp to be delivered + * + * This macro sets the scheduling of the event in the + * realtime mode. + * + * \sa snd_seq_ev_schedule_tick(), snd_seq_ev_set_direct() + */ +#define snd_seq_ev_schedule_real(ev, q, relative, rtime) \ + ((ev)->flags &= ~(SND_SEQ_TIME_STAMP_MASK | SND_SEQ_TIME_MODE_MASK),\ + (ev)->flags |= SND_SEQ_TIME_STAMP_REAL,\ + (ev)->flags |= (relative) ? SND_SEQ_TIME_MODE_REL : SND_SEQ_TIME_MODE_ABS,\ + (ev)->time.time = *(rtime),\ + (ev)->queue = (q)) + +/** + * \brief set event priority + * \param ev event instance + * \param high_prior 1 for high priority mode + */ +#define snd_seq_ev_set_priority(ev, high_prior) \ + ((ev)->flags &= ~SND_SEQ_PRIORITY_MASK,\ + (ev)->flags |= (high_prior) ? SND_SEQ_PRIORITY_HIGH : SND_SEQ_PRIORITY_NORMAL) + +/** + * \brief set fixed data + * \param ev event instance + * + * Sets the event length mode as fixed size. + * + * \sa snd_seq_ev_set_variable(), snd_seq_ev_set_varusr() + */ +#define snd_seq_ev_set_fixed(ev) \ + ((ev)->flags &= ~SND_SEQ_EVENT_LENGTH_MASK,\ + (ev)->flags |= SND_SEQ_EVENT_LENGTH_FIXED) + +/** + * \brief set variable data + * \param ev event instance + * \param datalen length of the external data + * \param dataptr pointer of the external data + * + * Sets the event length mode as variable length and stores the data. + * + * \sa snd_seq_ev_set_fixed(), snd_seq_ev_set_varusr() + */ +#define snd_seq_ev_set_variable(ev, datalen, dataptr) \ + ((ev)->flags &= ~SND_SEQ_EVENT_LENGTH_MASK,\ + (ev)->flags |= SND_SEQ_EVENT_LENGTH_VARIABLE,\ + (ev)->data.ext.len = (datalen),\ + (ev)->data.ext.ptr = (dataptr)) + +/** + * \brief set varusr data + * \param ev event instance + * \param datalen length of the external data + * \param dataptr pointer of the external data + * + * Sets the event length mode as variable user-space data and stores the data. + * + * \sa snd_seq_ev_set_fixed(), snd_seq_ev_set_variable() + */ +#define snd_seq_ev_set_varusr(ev, datalen, dataptr) \ + ((ev)->flags &= ~SND_SEQ_EVENT_LENGTH_MASK,\ + (ev)->flags |= SND_SEQ_EVENT_LENGTH_VARUSR,\ + (ev)->data.ext.len = (datalen),\ + (ev)->data.ext.ptr = (dataptr)) + +/** + * \brief set queue controls + * \param ev event record + * \param typ event type + * \param q queue id + * \param val control value + */ +#define snd_seq_ev_set_queue_control(ev, typ, q, val) \ + ((ev)->type = (typ),\ + snd_seq_ev_set_dest(ev, SND_SEQ_CLIENT_SYSTEM, SND_SEQ_PORT_SYSTEM_TIMER),\ + (ev)->data.queue.queue = (q),\ + (ev)->data.queue.param.value = (val)) + +/** + * \brief set the start queue event + * \param ev event record + * \param q queue id to start + * + * \sa snd_seq_ev_set_queue_stop(), snd_seq_ev_set_queue_continue() + */ +#define snd_seq_ev_set_queue_start(ev, q) \ + snd_seq_ev_set_queue_control(ev, SND_SEQ_EVENT_START, q, 0) + +/** + * \brief set the stop queue event + * \param ev event record + * \param q queue id to stop + * + * \sa snd_seq_ev_set_queue_start(), snd_seq_ev_set_queue_continue() + */ +#define snd_seq_ev_set_queue_stop(ev, q) \ + snd_seq_ev_set_queue_control(ev, SND_SEQ_EVENT_STOP, q, 0) + +/** + * \brief set the stop queue event + * \param ev event record + * \param q queue id to continue + * + * \sa snd_seq_ev_set_queue_start(), snd_seq_ev_set_queue_stop() + */ +#define snd_seq_ev_set_queue_continue(ev, q) \ + snd_seq_ev_set_queue_control(ev, SND_SEQ_EVENT_CONTINUE, q, 0) + +/** + * \brief set the stop queue event + * \param ev event record + * \param q queue id to change tempo + * \param val the new tempo value + */ +#define snd_seq_ev_set_queue_tempo(ev, q, val) \ + snd_seq_ev_set_queue_control(ev, SND_SEQ_EVENT_TEMPO, q, val) + +/** + * \brief set the real-time position of a queue + * \param ev event record + * \param q queue id to change tempo + * \param rtime the new real-time pointer + */ +#define snd_seq_ev_set_queue_pos_real(ev, q, rtime) \ + ((ev)->type = SND_SEQ_EVENT_SETPOS_TIME,\ + snd_seq_ev_set_dest(ev, SND_SEQ_CLIENT_SYSTEM, SND_SEQ_PORT_SYSTEM_TIMER),\ + (ev)->data.queue.queue = (q),\ + (ev)->data.queue.param.time.time = *(rtime)) + +/** + * \brief set the tick-time position of a queue + * \param ev event record + * \param q queue id to change tempo + * \param ttime the new tick-time + */ +#define snd_seq_ev_set_queue_pos_tick(ev, q, ttime) \ + ((ev)->type = SND_SEQ_EVENT_SETPOS_TICK,\ + snd_seq_ev_set_dest(ev, SND_SEQ_CLIENT_SYSTEM, SND_SEQ_PORT_SYSTEM_TIMER),\ + (ev)->data.queue.queue = (q),\ + (ev)->data.queue.param.time.tick = (ttime)) + +/* set and send a queue control event */ +int snd_seq_control_queue(snd_seq_t *seq, int q, int type, int value, snd_seq_event_t *ev); + +/** + * \brief start the specified queue + * \param seq sequencer handle + * \param q queue id to start + * \param ev optional event record (see #snd_seq_control_queue) + */ +#define snd_seq_start_queue(seq, q, ev) \ + snd_seq_control_queue(seq, q, SND_SEQ_EVENT_START, 0, ev) + +/** + * \brief stop the specified queue + * \param seq sequencer handle + * \param q queue id to stop + * \param ev optional event record (see #snd_seq_control_queue) + */ +#define snd_seq_stop_queue(seq, q, ev) \ + snd_seq_control_queue(seq, q, SND_SEQ_EVENT_STOP, 0, ev) + +/** + * \brief continue the specified queue + * \param seq sequencer handle + * \param q queue id to continue + * \param ev optional event record (see #snd_seq_control_queue) + */ +#define snd_seq_continue_queue(seq, q, ev) \ + snd_seq_control_queue(seq, q, SND_SEQ_EVENT_CONTINUE, 0, ev) + +/** + * \brief change the tempo of the specified queue + * \param seq sequencer handle + * \param q queue id + * \param tempo the new tempo value + * \param ev optional event record (see #snd_seq_control_queue) + */ +#define snd_seq_change_queue_tempo(seq, q, tempo, ev) \ + snd_seq_control_queue(seq, q, SND_SEQ_EVENT_TEMPO, tempo, ev) + +/* create a port - simple version - return the port number */ +int snd_seq_create_simple_port(snd_seq_t *seq, const char *name, + unsigned int caps, unsigned int type); +/* delete the port */ +int snd_seq_delete_simple_port(snd_seq_t *seq, int port); + +/* simple subscription between this port and another port + (w/o exclusive & time conversion) + */ +int snd_seq_connect_from(snd_seq_t *seq, int my_port, int src_client, int src_port); +int snd_seq_connect_to(snd_seq_t *seq, int my_port, int dest_client, int dest_port); +int snd_seq_disconnect_from(snd_seq_t *seq, int my_port, int src_client, int src_port); +int snd_seq_disconnect_to(snd_seq_t *seq, int my_port, int dest_client, int dest_port); + +/* + * set client information + */ +int snd_seq_set_client_name(snd_seq_t *seq, const char *name); +int snd_seq_set_client_event_filter(snd_seq_t *seq, int event_type); +int snd_seq_set_client_pool_output(snd_seq_t *seq, size_t size); +int snd_seq_set_client_pool_output_room(snd_seq_t *seq, size_t size); +int snd_seq_set_client_pool_input(snd_seq_t *seq, size_t size); +/* sync output queue */ +int snd_seq_sync_output_queue(snd_seq_t *seq); + +/* + * parse the given string and get the sequencer address + */ +int snd_seq_parse_address(snd_seq_t *seq, snd_seq_addr_t *addr, const char *str); + +/* + * reset client input/output pool + */ +int snd_seq_reset_pool_output(snd_seq_t *seq); +int snd_seq_reset_pool_input(snd_seq_t *seq); + +/** + * \brief set note event + * \param ev event record + * \param ch channel number + * \param key note key + * \param vel velocity + * \param dur duration (in tick or msec) + */ +#define snd_seq_ev_set_note(ev, ch, key, vel, dur) \ + ((ev)->type = SND_SEQ_EVENT_NOTE,\ + snd_seq_ev_set_fixed(ev),\ + (ev)->data.note.channel = (ch),\ + (ev)->data.note.note = (key),\ + (ev)->data.note.velocity = (vel),\ + (ev)->data.note.duration = (dur)) + +/** + * \brief set note-on event + * \param ev event record + * \param ch channel number + * \param key note key + * \param vel velocity + */ +#define snd_seq_ev_set_noteon(ev, ch, key, vel) \ + ((ev)->type = SND_SEQ_EVENT_NOTEON,\ + snd_seq_ev_set_fixed(ev),\ + (ev)->data.note.channel = (ch),\ + (ev)->data.note.note = (key),\ + (ev)->data.note.velocity = (vel)) + +/** + * \brief set note-off event + * \param ev event record + * \param ch channel number + * \param key note key + * \param vel velocity + */ +#define snd_seq_ev_set_noteoff(ev, ch, key, vel) \ + ((ev)->type = SND_SEQ_EVENT_NOTEOFF,\ + snd_seq_ev_set_fixed(ev),\ + (ev)->data.note.channel = (ch),\ + (ev)->data.note.note = (key),\ + (ev)->data.note.velocity = (vel)) + +/** + * \brief set key-pressure event + * \param ev event record + * \param ch channel number + * \param key note key + * \param vel velocity + */ +#define snd_seq_ev_set_keypress(ev,ch,key,vel) \ + ((ev)->type = SND_SEQ_EVENT_KEYPRESS,\ + snd_seq_ev_set_fixed(ev),\ + (ev)->data.note.channel = (ch),\ + (ev)->data.note.note = (key),\ + (ev)->data.note.velocity = (vel)) + +/** + * \brief set MIDI controller event + * \param ev event record + * \param ch channel number + * \param cc controller number + * \param val control value + */ +#define snd_seq_ev_set_controller(ev,ch,cc,val) \ + ((ev)->type = SND_SEQ_EVENT_CONTROLLER,\ + snd_seq_ev_set_fixed(ev),\ + (ev)->data.control.channel = (ch),\ + (ev)->data.control.param = (cc),\ + (ev)->data.control.value = (val)) + +/** + * \brief set program change event + * \param ev event record + * \param ch channel number + * \param val program number + */ +#define snd_seq_ev_set_pgmchange(ev,ch,val) \ + ((ev)->type = SND_SEQ_EVENT_PGMCHANGE,\ + snd_seq_ev_set_fixed(ev),\ + (ev)->data.control.channel = (ch),\ + (ev)->data.control.value = (val)) + +/** + * \brief set pitch-bend event + * \param ev event record + * \param ch channel number + * \param val pitch bend; zero centered from -8192 to 8191 + */ +#define snd_seq_ev_set_pitchbend(ev,ch,val) \ + ((ev)->type = SND_SEQ_EVENT_PITCHBEND,\ + snd_seq_ev_set_fixed(ev),\ + (ev)->data.control.channel = (ch),\ + (ev)->data.control.value = (val)) + +/** + * \brief set channel pressure event + * \param ev event record + * \param ch channel number + * \param val channel pressure value + */ +#define snd_seq_ev_set_chanpress(ev,ch,val) \ + ((ev)->type = SND_SEQ_EVENT_CHANPRESS,\ + snd_seq_ev_set_fixed(ev),\ + (ev)->data.control.channel = (ch),\ + (ev)->data.control.value = (val)) + +/** + * \brief set sysex event + * \param ev event record + * \param datalen length of sysex data + * \param dataptr sysex data pointer + * + * the sysex data must contain the start byte 0xf0 and the end byte 0xf7. + */ +#define snd_seq_ev_set_sysex(ev,datalen,dataptr) \ + ((ev)->type = SND_SEQ_EVENT_SYSEX,\ + snd_seq_ev_set_variable(ev, datalen, dataptr)) + +/** \} */ + +#ifdef __cplusplus +} +#endif + +#endif /* __ALSA_SEQMID_H */ + diff --git a/alsa/include/alsa/timer.h b/alsa/include/alsa/timer.h new file mode 100644 index 0000000..2803f53 --- /dev/null +++ b/alsa/include/alsa/timer.h @@ -0,0 +1,259 @@ +/** + * \file include/timer.h + * \brief Application interface library for the ALSA driver + * \author Jaroslav Kysela + * \author Abramo Bagnara + * \author Takashi Iwai + * \date 1998-2001 + * + * Application interface library for the ALSA driver + */ +/* + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __ALSA_TIMER_H +#define __ALSA_TIMER_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \defgroup Timer Timer Interface + * Timer Interface. See \ref timer page for more details. + * \{ + */ + +/** dlsym version for interface entry callback */ +#define SND_TIMER_DLSYM_VERSION _dlsym_timer_001 +/** dlsym version for interface entry callback */ +#define SND_TIMER_QUERY_DLSYM_VERSION _dlsym_timer_query_001 + +/** timer identification structure */ +typedef struct _snd_timer_id snd_timer_id_t; +/** timer global info structure */ +typedef struct _snd_timer_ginfo snd_timer_ginfo_t; +/** timer global params structure */ +typedef struct _snd_timer_gparams snd_timer_gparams_t; +/** timer global status structure */ +typedef struct _snd_timer_gstatus snd_timer_gstatus_t; +/** timer info structure */ +typedef struct _snd_timer_info snd_timer_info_t; +/** timer params structure */ +typedef struct _snd_timer_params snd_timer_params_t; +/** timer status structure */ +typedef struct _snd_timer_status snd_timer_status_t; +/** timer master class */ +typedef enum _snd_timer_class { + SND_TIMER_CLASS_NONE = -1, /**< invalid */ + SND_TIMER_CLASS_SLAVE = 0, /**< slave timer */ + SND_TIMER_CLASS_GLOBAL, /**< global timer */ + SND_TIMER_CLASS_CARD, /**< card timer */ + SND_TIMER_CLASS_PCM, /**< PCM timer */ + SND_TIMER_CLASS_LAST = SND_TIMER_CLASS_PCM /**< last timer */ +} snd_timer_class_t; + +/** timer slave class */ +typedef enum _snd_timer_slave_class { + SND_TIMER_SCLASS_NONE = 0, /**< none */ + SND_TIMER_SCLASS_APPLICATION, /**< for internal use */ + SND_TIMER_SCLASS_SEQUENCER, /**< sequencer timer */ + SND_TIMER_SCLASS_OSS_SEQUENCER, /**< OSS sequencer timer */ + SND_TIMER_SCLASS_LAST = SND_TIMER_SCLASS_OSS_SEQUENCER /**< last slave timer */ +} snd_timer_slave_class_t; + +/** timer read event identification */ +typedef enum _snd_timer_event { + SND_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */ + SND_TIMER_EVENT_TICK, /* val = ticks */ + SND_TIMER_EVENT_START, /* val = resolution in ns */ + SND_TIMER_EVENT_STOP, /* val = 0 */ + SND_TIMER_EVENT_CONTINUE, /* val = resolution in ns */ + SND_TIMER_EVENT_PAUSE, /* val = 0 */ + SND_TIMER_EVENT_EARLY, /* val = 0 */ + SND_TIMER_EVENT_SUSPEND, /* val = 0 */ + SND_TIMER_EVENT_RESUME, /* val = resolution in ns */ + /* master timer events for slave timer instances */ + SND_TIMER_EVENT_MSTART = SND_TIMER_EVENT_START + 10, + SND_TIMER_EVENT_MSTOP = SND_TIMER_EVENT_STOP + 10, + SND_TIMER_EVENT_MCONTINUE = SND_TIMER_EVENT_CONTINUE + 10, + SND_TIMER_EVENT_MPAUSE = SND_TIMER_EVENT_PAUSE + 10, + SND_TIMER_EVENT_MSUSPEND = SND_TIMER_EVENT_SUSPEND + 10, + SND_TIMER_EVENT_MRESUME = SND_TIMER_EVENT_RESUME + 10 +} snd_timer_event_t; + +/** timer read structure */ +typedef struct _snd_timer_read { + unsigned int resolution; /**< tick resolution in nanoseconds */ + unsigned int ticks; /**< count of happened ticks */ +} snd_timer_read_t; + +/** timer tstamp + event read structure */ +typedef struct _snd_timer_tread { + snd_timer_event_t event; /**< Timer event */ + snd_htimestamp_t tstamp; /**< Time stamp of each event */ + unsigned int val; /**< Event value */ +} snd_timer_tread_t; + +/** global timer - system */ +#define SND_TIMER_GLOBAL_SYSTEM 0 +/** global timer - RTC */ +#define SND_TIMER_GLOBAL_RTC 1 +/** global timer - HPET */ +#define SND_TIMER_GLOBAL_HPET 2 +/** global timer - HRTIMER */ +#define SND_TIMER_GLOBAL_HRTIMER 3 + +/** timer open mode flag - non-blocking behaviour */ +#define SND_TIMER_OPEN_NONBLOCK (1<<0) +/** use timestamps and event notification - enhanced read */ +#define SND_TIMER_OPEN_TREAD (1<<1) + +/** timer handle type */ +typedef enum _snd_timer_type { + /** Kernel level HwDep */ + SND_TIMER_TYPE_HW = 0, + /** Shared memory client timer (not yet implemented) */ + SND_TIMER_TYPE_SHM, + /** INET client timer (not yet implemented) */ + SND_TIMER_TYPE_INET +} snd_timer_type_t; + +/** timer query handle */ +typedef struct _snd_timer_query snd_timer_query_t; +/** timer handle */ +typedef struct _snd_timer snd_timer_t; + + +int snd_timer_query_open(snd_timer_query_t **handle, const char *name, int mode); +int snd_timer_query_open_lconf(snd_timer_query_t **handle, const char *name, int mode, snd_config_t *lconf); +int snd_timer_query_close(snd_timer_query_t *handle); +int snd_timer_query_next_device(snd_timer_query_t *handle, snd_timer_id_t *tid); +int snd_timer_query_info(snd_timer_query_t *handle, snd_timer_ginfo_t *info); +int snd_timer_query_params(snd_timer_query_t *handle, snd_timer_gparams_t *params); +int snd_timer_query_status(snd_timer_query_t *handle, snd_timer_gstatus_t *status); + +int snd_timer_open(snd_timer_t **handle, const char *name, int mode); +int snd_timer_open_lconf(snd_timer_t **handle, const char *name, int mode, snd_config_t *lconf); +int snd_timer_close(snd_timer_t *handle); +int snd_async_add_timer_handler(snd_async_handler_t **handler, snd_timer_t *timer, + snd_async_callback_t callback, void *private_data); +snd_timer_t *snd_async_handler_get_timer(snd_async_handler_t *handler); +int snd_timer_poll_descriptors_count(snd_timer_t *handle); +int snd_timer_poll_descriptors(snd_timer_t *handle, struct pollfd *pfds, unsigned int space); +int snd_timer_poll_descriptors_revents(snd_timer_t *timer, struct pollfd *pfds, unsigned int nfds, unsigned short *revents); +int snd_timer_info(snd_timer_t *handle, snd_timer_info_t *timer); +int snd_timer_params(snd_timer_t *handle, snd_timer_params_t *params); +int snd_timer_status(snd_timer_t *handle, snd_timer_status_t *status); +int snd_timer_start(snd_timer_t *handle); +int snd_timer_stop(snd_timer_t *handle); +int snd_timer_continue(snd_timer_t *handle); +ssize_t snd_timer_read(snd_timer_t *handle, void *buffer, size_t size); + +size_t snd_timer_id_sizeof(void); +/** allocate #snd_timer_id_t container on stack */ +#define snd_timer_id_alloca(ptr) __snd_alloca(ptr, snd_timer_id) +int snd_timer_id_malloc(snd_timer_id_t **ptr); +void snd_timer_id_free(snd_timer_id_t *obj); +void snd_timer_id_copy(snd_timer_id_t *dst, const snd_timer_id_t *src); + +void snd_timer_id_set_class(snd_timer_id_t *id, int dev_class); +int snd_timer_id_get_class(snd_timer_id_t *id); +void snd_timer_id_set_sclass(snd_timer_id_t *id, int dev_sclass); +int snd_timer_id_get_sclass(snd_timer_id_t *id); +void snd_timer_id_set_card(snd_timer_id_t *id, int card); +int snd_timer_id_get_card(snd_timer_id_t *id); +void snd_timer_id_set_device(snd_timer_id_t *id, int device); +int snd_timer_id_get_device(snd_timer_id_t *id); +void snd_timer_id_set_subdevice(snd_timer_id_t *id, int subdevice); +int snd_timer_id_get_subdevice(snd_timer_id_t *id); + +size_t snd_timer_ginfo_sizeof(void); +/** allocate #snd_timer_ginfo_t container on stack */ +#define snd_timer_ginfo_alloca(ptr) __snd_alloca(ptr, snd_timer_ginfo) +int snd_timer_ginfo_malloc(snd_timer_ginfo_t **ptr); +void snd_timer_ginfo_free(snd_timer_ginfo_t *obj); +void snd_timer_ginfo_copy(snd_timer_ginfo_t *dst, const snd_timer_ginfo_t *src); + +int snd_timer_ginfo_set_tid(snd_timer_ginfo_t *obj, snd_timer_id_t *tid); +snd_timer_id_t *snd_timer_ginfo_get_tid(snd_timer_ginfo_t *obj); +unsigned int snd_timer_ginfo_get_flags(snd_timer_ginfo_t *obj); +int snd_timer_ginfo_get_card(snd_timer_ginfo_t *obj); +char *snd_timer_ginfo_get_id(snd_timer_ginfo_t *obj); +char *snd_timer_ginfo_get_name(snd_timer_ginfo_t *obj); +unsigned long snd_timer_ginfo_get_resolution(snd_timer_ginfo_t *obj); +unsigned long snd_timer_ginfo_get_resolution_min(snd_timer_ginfo_t *obj); +unsigned long snd_timer_ginfo_get_resolution_max(snd_timer_ginfo_t *obj); +unsigned int snd_timer_ginfo_get_clients(snd_timer_ginfo_t *obj); + +size_t snd_timer_info_sizeof(void); +/** allocate #snd_timer_info_t container on stack */ +#define snd_timer_info_alloca(ptr) __snd_alloca(ptr, snd_timer_info) +int snd_timer_info_malloc(snd_timer_info_t **ptr); +void snd_timer_info_free(snd_timer_info_t *obj); +void snd_timer_info_copy(snd_timer_info_t *dst, const snd_timer_info_t *src); + +int snd_timer_info_is_slave(snd_timer_info_t * info); +int snd_timer_info_get_card(snd_timer_info_t * info); +const char *snd_timer_info_get_id(snd_timer_info_t * info); +const char *snd_timer_info_get_name(snd_timer_info_t * info); +long snd_timer_info_get_resolution(snd_timer_info_t * info); + +size_t snd_timer_params_sizeof(void); +/** allocate #snd_timer_params_t container on stack */ +#define snd_timer_params_alloca(ptr) __snd_alloca(ptr, snd_timer_params) +int snd_timer_params_malloc(snd_timer_params_t **ptr); +void snd_timer_params_free(snd_timer_params_t *obj); +void snd_timer_params_copy(snd_timer_params_t *dst, const snd_timer_params_t *src); + +int snd_timer_params_set_auto_start(snd_timer_params_t * params, int auto_start); +int snd_timer_params_get_auto_start(snd_timer_params_t * params); +int snd_timer_params_set_exclusive(snd_timer_params_t * params, int exclusive); +int snd_timer_params_get_exclusive(snd_timer_params_t * params); +int snd_timer_params_set_early_event(snd_timer_params_t * params, int early_event); +int snd_timer_params_get_early_event(snd_timer_params_t * params); +void snd_timer_params_set_ticks(snd_timer_params_t * params, long ticks); +long snd_timer_params_get_ticks(snd_timer_params_t * params); +void snd_timer_params_set_queue_size(snd_timer_params_t * params, long queue_size); +long snd_timer_params_get_queue_size(snd_timer_params_t * params); +void snd_timer_params_set_filter(snd_timer_params_t * params, unsigned int filter); +unsigned int snd_timer_params_get_filter(snd_timer_params_t * params); + +size_t snd_timer_status_sizeof(void); +/** allocate #snd_timer_status_t container on stack */ +#define snd_timer_status_alloca(ptr) __snd_alloca(ptr, snd_timer_status) +int snd_timer_status_malloc(snd_timer_status_t **ptr); +void snd_timer_status_free(snd_timer_status_t *obj); +void snd_timer_status_copy(snd_timer_status_t *dst, const snd_timer_status_t *src); + +snd_htimestamp_t snd_timer_status_get_timestamp(snd_timer_status_t * status); +long snd_timer_status_get_resolution(snd_timer_status_t * status); +long snd_timer_status_get_lost(snd_timer_status_t * status); +long snd_timer_status_get_overrun(snd_timer_status_t * status); +long snd_timer_status_get_queue(snd_timer_status_t * status); + +/* deprecated functions, for compatibility */ +long snd_timer_info_get_ticks(snd_timer_info_t * info); + +/** \} */ + +#ifdef __cplusplus +} +#endif + +#endif /** __ALSA_TIMER_H */ + diff --git a/alsa/include/alsa/version.h b/alsa/include/alsa/version.h new file mode 100644 index 0000000..661ec6c --- /dev/null +++ b/alsa/include/alsa/version.h @@ -0,0 +1,15 @@ +/* + * version.h + */ + +#define SND_LIB_MAJOR 1 /**< major number of library version */ +#define SND_LIB_MINOR 1 /**< minor number of library version */ +#define SND_LIB_SUBMINOR 3 /**< subminor number of library version */ +#define SND_LIB_EXTRAVER 1000000 /**< extra version number, used mainly for betas */ +/** library version */ +#define SND_LIB_VERSION ((SND_LIB_MAJOR<<16)|\ + (SND_LIB_MINOR<<8)|\ + SND_LIB_SUBMINOR) +/** library version (string) */ +#define SND_LIB_VERSION_STR "1.1.3" + diff --git a/alsa/lib/libasound.so b/alsa/lib/libasound.so new file mode 100644 index 0000000..406f80e Binary files /dev/null and b/alsa/lib/libasound.so differ diff --git a/alsa/lib/libasound.so.2 b/alsa/lib/libasound.so.2 new file mode 100644 index 0000000..406f80e Binary files /dev/null and b/alsa/lib/libasound.so.2 differ diff --git a/alsa/lib/libasound.so.2.0.0 b/alsa/lib/libasound.so.2.0.0 new file mode 100644 index 0000000..406f80e Binary files /dev/null and b/alsa/lib/libasound.so.2.0.0 differ diff --git a/midilink b/midilink index 51bef56..694a3af 100755 Binary files a/midilink and b/midilink differ