lbajardsilogic@0: /* DSSI ALSA compatibility library lbajardsilogic@0: * lbajardsilogic@0: * This library provides for Mac OS X the ALSA snd_seq_event_t handling lbajardsilogic@0: * necessary to compile and run DSSI. It was extracted from alsa-lib 1.0.8. lbajardsilogic@0: */ lbajardsilogic@0: lbajardsilogic@0: /** lbajardsilogic@0: * \file lbajardsilogic@0: * \brief Application interface library for the ALSA driver lbajardsilogic@0: * \author Jaroslav Kysela lbajardsilogic@0: * \author Abramo Bagnara lbajardsilogic@0: * \author Takashi Iwai lbajardsilogic@0: * \date 1998-2001 lbajardsilogic@0: * lbajardsilogic@0: * Application interface library for the ALSA driver lbajardsilogic@0: * lbajardsilogic@0: * lbajardsilogic@0: * This library is free software; you can redistribute it and/or modify lbajardsilogic@0: * it under the terms of the GNU Lesser General Public License as lbajardsilogic@0: * published by the Free Software Foundation; either version 2.1 of lbajardsilogic@0: * the License, or (at your option) any later version. lbajardsilogic@0: * lbajardsilogic@0: * This program is distributed in the hope that it will be useful, lbajardsilogic@0: * but WITHOUT ANY WARRANTY; without even the implied warranty of lbajardsilogic@0: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the lbajardsilogic@0: * GNU Lesser General Public License for more details. lbajardsilogic@0: * lbajardsilogic@0: * You should have received a copy of the GNU Lesser General Public lbajardsilogic@0: * License along with this library; if not, write to the Free Software lbajardsilogic@0: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA lbajardsilogic@0: * lbajardsilogic@0: */ lbajardsilogic@0: lbajardsilogic@0: #ifndef __ALSA_SEQ_EVENT_H lbajardsilogic@0: #define __ALSA_SEQ_EVENT_H lbajardsilogic@0: lbajardsilogic@0: /* If we're not using GNU C, elide __attribute__ */ lbajardsilogic@0: #ifndef __GNUC__ lbajardsilogic@0: # define __attribute__(x) /*NOTHING*/ lbajardsilogic@0: #endif lbajardsilogic@0: lbajardsilogic@0: /** lbajardsilogic@0: * \defgroup SeqEvents Sequencer Event Definitions lbajardsilogic@0: * Sequencer Event Definitions lbajardsilogic@0: * \ingroup Sequencer lbajardsilogic@0: * \{ lbajardsilogic@0: */ lbajardsilogic@0: lbajardsilogic@0: /** lbajardsilogic@0: * Sequencer event data type lbajardsilogic@0: */ lbajardsilogic@0: typedef unsigned char snd_seq_event_type_t; lbajardsilogic@0: lbajardsilogic@0: /** Sequencer event type */ lbajardsilogic@0: enum snd_seq_event_type { lbajardsilogic@0: /** system status; event data type = #snd_seq_result_t */ lbajardsilogic@0: SND_SEQ_EVENT_SYSTEM = 0, lbajardsilogic@0: /** returned result status; event data type = #snd_seq_result_t */ lbajardsilogic@0: SND_SEQ_EVENT_RESULT, lbajardsilogic@0: lbajardsilogic@0: /** note on and off with duration; event data type = #snd_seq_ev_note_t */ lbajardsilogic@0: SND_SEQ_EVENT_NOTE = 5, lbajardsilogic@0: /** note on; event data type = #snd_seq_ev_note_t */ lbajardsilogic@0: SND_SEQ_EVENT_NOTEON, lbajardsilogic@0: /** note off; event data type = #snd_seq_ev_note_t */ lbajardsilogic@0: SND_SEQ_EVENT_NOTEOFF, lbajardsilogic@0: /** key pressure change (aftertouch); event data type = #snd_seq_ev_note_t */ lbajardsilogic@0: SND_SEQ_EVENT_KEYPRESS, lbajardsilogic@0: lbajardsilogic@0: /** controller; event data type = #snd_seq_ev_ctrl_t */ lbajardsilogic@0: SND_SEQ_EVENT_CONTROLLER = 10, lbajardsilogic@0: /** program change; event data type = #snd_seq_ev_ctrl_t */ lbajardsilogic@0: SND_SEQ_EVENT_PGMCHANGE, lbajardsilogic@0: /** channel pressure; event data type = #snd_seq_ev_ctrl_t */ lbajardsilogic@0: SND_SEQ_EVENT_CHANPRESS, lbajardsilogic@0: /** pitchwheel; event data type = #snd_seq_ev_ctrl_t; data is from -8192 to 8191) */ lbajardsilogic@0: SND_SEQ_EVENT_PITCHBEND, lbajardsilogic@0: /** 14 bit controller value; event data type = #snd_seq_ev_ctrl_t */ lbajardsilogic@0: SND_SEQ_EVENT_CONTROL14, lbajardsilogic@0: /** 14 bit NRPN; event data type = #snd_seq_ev_ctrl_t */ lbajardsilogic@0: SND_SEQ_EVENT_NONREGPARAM, lbajardsilogic@0: /** 14 bit RPN; event data type = #snd_seq_ev_ctrl_t */ lbajardsilogic@0: SND_SEQ_EVENT_REGPARAM, lbajardsilogic@0: lbajardsilogic@0: /** SPP with LSB and MSB values; event data type = #snd_seq_ev_ctrl_t */ lbajardsilogic@0: SND_SEQ_EVENT_SONGPOS = 20, lbajardsilogic@0: /** Song Select with song ID number; event data type = #snd_seq_ev_ctrl_t */ lbajardsilogic@0: SND_SEQ_EVENT_SONGSEL, lbajardsilogic@0: /** midi time code quarter frame; event data type = #snd_seq_ev_ctrl_t */ lbajardsilogic@0: SND_SEQ_EVENT_QFRAME, lbajardsilogic@0: /** SMF Time Signature event; event data type = #snd_seq_ev_ctrl_t */ lbajardsilogic@0: SND_SEQ_EVENT_TIMESIGN, lbajardsilogic@0: /** SMF Key Signature event; event data type = #snd_seq_ev_ctrl_t */ lbajardsilogic@0: SND_SEQ_EVENT_KEYSIGN, lbajardsilogic@0: lbajardsilogic@0: /** MIDI Real Time Start message; event data type = #snd_seq_ev_queue_control_t */ lbajardsilogic@0: SND_SEQ_EVENT_START = 30, lbajardsilogic@0: /** MIDI Real Time Continue message; event data type = #snd_seq_ev_queue_control_t */ lbajardsilogic@0: SND_SEQ_EVENT_CONTINUE, lbajardsilogic@0: /** MIDI Real Time Stop message; event data type = #snd_seq_ev_queue_control_t */ lbajardsilogic@0: SND_SEQ_EVENT_STOP, lbajardsilogic@0: /** Set tick queue position; event data type = #snd_seq_ev_queue_control_t */ lbajardsilogic@0: SND_SEQ_EVENT_SETPOS_TICK, lbajardsilogic@0: /** Set real-time queue position; event data type = #snd_seq_ev_queue_control_t */ lbajardsilogic@0: SND_SEQ_EVENT_SETPOS_TIME, lbajardsilogic@0: /** (SMF) Tempo event; event data type = #snd_seq_ev_queue_control_t */ lbajardsilogic@0: SND_SEQ_EVENT_TEMPO, lbajardsilogic@0: /** MIDI Real Time Clock message; event data type = #snd_seq_ev_queue_control_t */ lbajardsilogic@0: SND_SEQ_EVENT_CLOCK, lbajardsilogic@0: /** MIDI Real Time Tick message; event data type = #snd_seq_ev_queue_control_t */ lbajardsilogic@0: SND_SEQ_EVENT_TICK, lbajardsilogic@0: /** Queue timer skew; event data type = #snd_seq_ev_queue_control_t */ lbajardsilogic@0: SND_SEQ_EVENT_QUEUE_SKEW, lbajardsilogic@0: /** Sync position changed; event data type = #snd_seq_ev_queue_control_t */ lbajardsilogic@0: SND_SEQ_EVENT_SYNC_POS, lbajardsilogic@0: lbajardsilogic@0: /** Tune request; event data type = none */ lbajardsilogic@0: SND_SEQ_EVENT_TUNE_REQUEST = 40, lbajardsilogic@0: /** Reset to power-on state; event data type = none */ lbajardsilogic@0: SND_SEQ_EVENT_RESET, lbajardsilogic@0: /** Active sensing event; event data type = none */ lbajardsilogic@0: SND_SEQ_EVENT_SENSING, lbajardsilogic@0: lbajardsilogic@0: /** Echo-back event; event data type = any type */ lbajardsilogic@0: SND_SEQ_EVENT_ECHO = 50, lbajardsilogic@0: /** OSS emulation raw event; event data type = any type */ lbajardsilogic@0: SND_SEQ_EVENT_OSS, lbajardsilogic@0: lbajardsilogic@0: /** New client has connected; event data type = #snd_seq_addr_t */ lbajardsilogic@0: SND_SEQ_EVENT_CLIENT_START = 60, lbajardsilogic@0: /** Client has left the system; event data type = #snd_seq_addr_t */ lbajardsilogic@0: SND_SEQ_EVENT_CLIENT_EXIT, lbajardsilogic@0: /** Client status/info has changed; event data type = #snd_seq_addr_t */ lbajardsilogic@0: SND_SEQ_EVENT_CLIENT_CHANGE, lbajardsilogic@0: /** New port was created; event data type = #snd_seq_addr_t */ lbajardsilogic@0: SND_SEQ_EVENT_PORT_START, lbajardsilogic@0: /** Port was deleted from system; event data type = #snd_seq_addr_t */ lbajardsilogic@0: SND_SEQ_EVENT_PORT_EXIT, lbajardsilogic@0: /** Port status/info has changed; event data type = #snd_seq_addr_t */ lbajardsilogic@0: SND_SEQ_EVENT_PORT_CHANGE, lbajardsilogic@0: lbajardsilogic@0: /** Ports connected; event data type = #snd_seq_connect_t */ lbajardsilogic@0: SND_SEQ_EVENT_PORT_SUBSCRIBED, lbajardsilogic@0: /** Ports disconnected; event data type = #snd_seq_connect_t */ lbajardsilogic@0: SND_SEQ_EVENT_PORT_UNSUBSCRIBED, lbajardsilogic@0: lbajardsilogic@0: /** Sample select; event data type = #snd_seq_ev_sample_control_t */ lbajardsilogic@0: SND_SEQ_EVENT_SAMPLE = 70, lbajardsilogic@0: /** Sample cluster select; event data type = #snd_seq_ev_sample_control_t */ lbajardsilogic@0: SND_SEQ_EVENT_SAMPLE_CLUSTER, lbajardsilogic@0: /** voice start */ lbajardsilogic@0: SND_SEQ_EVENT_SAMPLE_START, lbajardsilogic@0: /** voice stop */ lbajardsilogic@0: SND_SEQ_EVENT_SAMPLE_STOP, lbajardsilogic@0: /** playback frequency */ lbajardsilogic@0: SND_SEQ_EVENT_SAMPLE_FREQ, lbajardsilogic@0: /** volume and balance */ lbajardsilogic@0: SND_SEQ_EVENT_SAMPLE_VOLUME, lbajardsilogic@0: /** sample loop */ lbajardsilogic@0: SND_SEQ_EVENT_SAMPLE_LOOP, lbajardsilogic@0: /** sample position */ lbajardsilogic@0: SND_SEQ_EVENT_SAMPLE_POSITION, lbajardsilogic@0: /** private (hardware dependent) event */ lbajardsilogic@0: SND_SEQ_EVENT_SAMPLE_PRIVATE1, lbajardsilogic@0: lbajardsilogic@0: /** user-defined event; event data type = any (fixed size) */ lbajardsilogic@0: SND_SEQ_EVENT_USR0 = 90, lbajardsilogic@0: /** user-defined event; event data type = any (fixed size) */ lbajardsilogic@0: SND_SEQ_EVENT_USR1, lbajardsilogic@0: /** user-defined event; event data type = any (fixed size) */ lbajardsilogic@0: SND_SEQ_EVENT_USR2, lbajardsilogic@0: /** user-defined event; event data type = any (fixed size) */ lbajardsilogic@0: SND_SEQ_EVENT_USR3, lbajardsilogic@0: /** user-defined event; event data type = any (fixed size) */ lbajardsilogic@0: SND_SEQ_EVENT_USR4, lbajardsilogic@0: /** user-defined event; event data type = any (fixed size) */ lbajardsilogic@0: SND_SEQ_EVENT_USR5, lbajardsilogic@0: /** user-defined event; event data type = any (fixed size) */ lbajardsilogic@0: SND_SEQ_EVENT_USR6, lbajardsilogic@0: /** user-defined event; event data type = any (fixed size) */ lbajardsilogic@0: SND_SEQ_EVENT_USR7, lbajardsilogic@0: /** user-defined event; event data type = any (fixed size) */ lbajardsilogic@0: SND_SEQ_EVENT_USR8, lbajardsilogic@0: /** user-defined event; event data type = any (fixed size) */ lbajardsilogic@0: SND_SEQ_EVENT_USR9, lbajardsilogic@0: lbajardsilogic@0: /** begin of instrument management */ lbajardsilogic@0: SND_SEQ_EVENT_INSTR_BEGIN = 100, lbajardsilogic@0: /** end of instrument management */ lbajardsilogic@0: SND_SEQ_EVENT_INSTR_END, lbajardsilogic@0: /** query instrument interface info */ lbajardsilogic@0: SND_SEQ_EVENT_INSTR_INFO, lbajardsilogic@0: /** result of instrument interface info */ lbajardsilogic@0: SND_SEQ_EVENT_INSTR_INFO_RESULT, lbajardsilogic@0: /** query instrument format info */ lbajardsilogic@0: SND_SEQ_EVENT_INSTR_FINFO, lbajardsilogic@0: /** result of instrument format info */ lbajardsilogic@0: SND_SEQ_EVENT_INSTR_FINFO_RESULT, lbajardsilogic@0: /** reset instrument instrument memory */ lbajardsilogic@0: SND_SEQ_EVENT_INSTR_RESET, lbajardsilogic@0: /** get instrument interface status */ lbajardsilogic@0: SND_SEQ_EVENT_INSTR_STATUS, lbajardsilogic@0: /** result of instrument interface status */ lbajardsilogic@0: SND_SEQ_EVENT_INSTR_STATUS_RESULT, lbajardsilogic@0: /** put an instrument to port */ lbajardsilogic@0: SND_SEQ_EVENT_INSTR_PUT, lbajardsilogic@0: /** get an instrument from port */ lbajardsilogic@0: SND_SEQ_EVENT_INSTR_GET, lbajardsilogic@0: /** result of instrument query */ lbajardsilogic@0: SND_SEQ_EVENT_INSTR_GET_RESULT, lbajardsilogic@0: /** free instrument(s) */ lbajardsilogic@0: SND_SEQ_EVENT_INSTR_FREE, lbajardsilogic@0: /** get instrument list */ lbajardsilogic@0: SND_SEQ_EVENT_INSTR_LIST, lbajardsilogic@0: /** result of instrument list */ lbajardsilogic@0: SND_SEQ_EVENT_INSTR_LIST_RESULT, lbajardsilogic@0: /** set cluster parameters */ lbajardsilogic@0: SND_SEQ_EVENT_INSTR_CLUSTER, lbajardsilogic@0: /** get cluster parameters */ lbajardsilogic@0: SND_SEQ_EVENT_INSTR_CLUSTER_GET, lbajardsilogic@0: /** result of cluster parameters */ lbajardsilogic@0: SND_SEQ_EVENT_INSTR_CLUSTER_RESULT, lbajardsilogic@0: /** instrument change */ lbajardsilogic@0: SND_SEQ_EVENT_INSTR_CHANGE, lbajardsilogic@0: lbajardsilogic@0: /** system exclusive data (variable length); event data type = #snd_seq_ev_ext_t */ lbajardsilogic@0: SND_SEQ_EVENT_SYSEX = 130, lbajardsilogic@0: /** error event; event data type = #snd_seq_ev_ext_t */ lbajardsilogic@0: SND_SEQ_EVENT_BOUNCE, lbajardsilogic@0: /** reserved for user apps; event data type = #snd_seq_ev_ext_t */ lbajardsilogic@0: SND_SEQ_EVENT_USR_VAR0 = 135, lbajardsilogic@0: /** reserved for user apps; event data type = #snd_seq_ev_ext_t */ lbajardsilogic@0: SND_SEQ_EVENT_USR_VAR1, lbajardsilogic@0: /** reserved for user apps; event data type = #snd_seq_ev_ext_t */ lbajardsilogic@0: SND_SEQ_EVENT_USR_VAR2, lbajardsilogic@0: /** reserved for user apps; event data type = #snd_seq_ev_ext_t */ lbajardsilogic@0: SND_SEQ_EVENT_USR_VAR3, lbajardsilogic@0: /** reserved for user apps; event data type = #snd_seq_ev_ext_t */ lbajardsilogic@0: SND_SEQ_EVENT_USR_VAR4, lbajardsilogic@0: lbajardsilogic@0: /** NOP; ignored in any case */ lbajardsilogic@0: SND_SEQ_EVENT_NONE = 255 lbajardsilogic@0: }; lbajardsilogic@0: lbajardsilogic@0: lbajardsilogic@0: /** Sequencer event address */ lbajardsilogic@0: typedef struct snd_seq_addr { lbajardsilogic@0: unsigned char client; /**< Client id */ lbajardsilogic@0: unsigned char port; /**< Port id */ lbajardsilogic@0: } snd_seq_addr_t; lbajardsilogic@0: lbajardsilogic@0: /** Connection (subscription) between ports */ lbajardsilogic@0: typedef struct snd_seq_connect { lbajardsilogic@0: snd_seq_addr_t sender; /**< sender address */ lbajardsilogic@0: snd_seq_addr_t dest; /**< destination address */ lbajardsilogic@0: } snd_seq_connect_t; lbajardsilogic@0: lbajardsilogic@0: lbajardsilogic@0: /** Real-time data record */ lbajardsilogic@0: typedef struct snd_seq_real_time { lbajardsilogic@0: unsigned int tv_sec; /**< seconds */ lbajardsilogic@0: unsigned int tv_nsec; /**< nanoseconds */ lbajardsilogic@0: } snd_seq_real_time_t; lbajardsilogic@0: lbajardsilogic@0: /** (MIDI) Tick-time data record */ lbajardsilogic@0: typedef unsigned int snd_seq_tick_time_t; lbajardsilogic@0: lbajardsilogic@0: /** unioned time stamp */ lbajardsilogic@0: typedef union snd_seq_timestamp { lbajardsilogic@0: snd_seq_tick_time_t tick; /**< tick-time */ lbajardsilogic@0: struct snd_seq_real_time time; /**< real-time */ lbajardsilogic@0: } snd_seq_timestamp_t; lbajardsilogic@0: lbajardsilogic@0: lbajardsilogic@0: /** lbajardsilogic@0: * Event mode flags lbajardsilogic@0: * lbajardsilogic@0: * NOTE: only 8 bits available! lbajardsilogic@0: */ lbajardsilogic@0: #define SND_SEQ_TIME_STAMP_TICK (0<<0) /**< timestamp in clock ticks */ lbajardsilogic@0: #define SND_SEQ_TIME_STAMP_REAL (1<<0) /**< timestamp in real time */ lbajardsilogic@0: #define SND_SEQ_TIME_STAMP_MASK (1<<0) /**< mask for timestamp bits */ lbajardsilogic@0: lbajardsilogic@0: #define SND_SEQ_TIME_MODE_ABS (0<<1) /**< absolute timestamp */ lbajardsilogic@0: #define SND_SEQ_TIME_MODE_REL (1<<1) /**< relative to current time */ lbajardsilogic@0: #define SND_SEQ_TIME_MODE_MASK (1<<1) /**< mask for time mode bits */ lbajardsilogic@0: lbajardsilogic@0: #define SND_SEQ_EVENT_LENGTH_FIXED (0<<2) /**< fixed event size */ lbajardsilogic@0: #define SND_SEQ_EVENT_LENGTH_VARIABLE (1<<2) /**< variable event size */ lbajardsilogic@0: #define SND_SEQ_EVENT_LENGTH_VARUSR (2<<2) /**< variable event size - user memory space */ lbajardsilogic@0: #define SND_SEQ_EVENT_LENGTH_MASK (3<<2) /**< mask for event length bits */ lbajardsilogic@0: lbajardsilogic@0: #define SND_SEQ_PRIORITY_NORMAL (0<<4) /**< normal priority */ lbajardsilogic@0: #define SND_SEQ_PRIORITY_HIGH (1<<4) /**< event should be processed before others */ lbajardsilogic@0: #define SND_SEQ_PRIORITY_MASK (1<<4) /**< mask for priority bits */ lbajardsilogic@0: lbajardsilogic@0: lbajardsilogic@0: /** Note event */ lbajardsilogic@0: typedef struct snd_seq_ev_note { lbajardsilogic@0: unsigned char channel; /**< channel number */ lbajardsilogic@0: unsigned char note; /**< note */ lbajardsilogic@0: unsigned char velocity; /**< velocity */ lbajardsilogic@0: unsigned char off_velocity; /**< note-off velocity; only for #SND_SEQ_EVENT_NOTE */ lbajardsilogic@0: unsigned int duration; /**< duration until note-off; only for #SND_SEQ_EVENT_NOTE */ lbajardsilogic@0: } snd_seq_ev_note_t; lbajardsilogic@0: lbajardsilogic@0: /** Controller event */ lbajardsilogic@0: typedef struct snd_seq_ev_ctrl { lbajardsilogic@0: unsigned char channel; /**< channel number */ lbajardsilogic@0: unsigned char unused[3]; /**< reserved */ lbajardsilogic@0: unsigned int param; /**< control parameter */ lbajardsilogic@0: signed int value; /**< control value */ lbajardsilogic@0: } snd_seq_ev_ctrl_t; lbajardsilogic@0: lbajardsilogic@0: /** generic set of bytes (12x8 bit) */ lbajardsilogic@0: typedef struct snd_seq_ev_raw8 { lbajardsilogic@0: unsigned char d[12]; /**< 8 bit value */ lbajardsilogic@0: } snd_seq_ev_raw8_t; lbajardsilogic@0: lbajardsilogic@0: /** generic set of integers (3x32 bit) */ lbajardsilogic@0: typedef struct snd_seq_ev_raw32 { lbajardsilogic@0: unsigned int d[3]; /**< 32 bit value */ lbajardsilogic@0: } snd_seq_ev_raw32_t; lbajardsilogic@0: lbajardsilogic@0: /** external stored data */ lbajardsilogic@0: typedef struct snd_seq_ev_ext { lbajardsilogic@0: unsigned int len; /**< length of data */ lbajardsilogic@0: void *ptr; /**< pointer to data (note: can be 64-bit) */ lbajardsilogic@0: } __attribute__((packed)) snd_seq_ev_ext_t; lbajardsilogic@0: lbajardsilogic@0: /** Instrument cluster type */ lbajardsilogic@0: typedef unsigned int snd_seq_instr_cluster_t; lbajardsilogic@0: lbajardsilogic@0: /** Instrument type */ lbajardsilogic@0: typedef struct snd_seq_instr { lbajardsilogic@0: snd_seq_instr_cluster_t cluster; /**< cluster id */ lbajardsilogic@0: unsigned int std; /**< instrument standard id; the upper byte means a private instrument (owner - client id) */ lbajardsilogic@0: unsigned short bank; /**< instrument bank id */ lbajardsilogic@0: unsigned short prg; /**< instrument program id */ lbajardsilogic@0: } snd_seq_instr_t; lbajardsilogic@0: lbajardsilogic@0: /** sample number */ lbajardsilogic@0: typedef struct snd_seq_ev_sample { lbajardsilogic@0: unsigned int std; /**< sample standard id */ lbajardsilogic@0: unsigned short bank; /**< sample bank id */ lbajardsilogic@0: unsigned short prg; /**< sample program id */ lbajardsilogic@0: } snd_seq_ev_sample_t; lbajardsilogic@0: lbajardsilogic@0: /** sample cluster */ lbajardsilogic@0: typedef struct snd_seq_ev_cluster { lbajardsilogic@0: snd_seq_instr_cluster_t cluster; /**< cluster id */ lbajardsilogic@0: } snd_seq_ev_cluster_t; lbajardsilogic@0: lbajardsilogic@0: /** sample position */ lbajardsilogic@0: typedef unsigned int snd_seq_position_t; /**< playback position (in samples) * 16 */ lbajardsilogic@0: lbajardsilogic@0: /** sample stop mode */ lbajardsilogic@0: typedef enum snd_seq_stop_mode { lbajardsilogic@0: SND_SEQ_SAMPLE_STOP_IMMEDIATELY = 0, /**< terminate playing immediately */ lbajardsilogic@0: SND_SEQ_SAMPLE_STOP_VENVELOPE = 1, /**< finish volume envelope */ lbajardsilogic@0: SND_SEQ_SAMPLE_STOP_LOOP = 2 /**< terminate loop and finish wave */ lbajardsilogic@0: } snd_seq_stop_mode_t; lbajardsilogic@0: lbajardsilogic@0: /** sample frequency */ lbajardsilogic@0: typedef int snd_seq_frequency_t; /**< playback frequency in HZ * 16 */ lbajardsilogic@0: lbajardsilogic@0: /** sample volume control; if any value is set to -1 == do not change */ lbajardsilogic@0: typedef struct snd_seq_ev_volume { lbajardsilogic@0: signed short volume; /**< range: 0-16383 */ lbajardsilogic@0: signed short lr; /**< left-right balance; range: 0-16383 */ lbajardsilogic@0: signed short fr; /**< front-rear balance; range: 0-16383 */ lbajardsilogic@0: signed short du; /**< down-up balance; range: 0-16383 */ lbajardsilogic@0: } snd_seq_ev_volume_t; lbajardsilogic@0: lbajardsilogic@0: /** simple loop redefinition */ lbajardsilogic@0: typedef struct snd_seq_ev_loop { lbajardsilogic@0: unsigned int start; /**< loop start (in samples) * 16 */ lbajardsilogic@0: unsigned int end; /**< loop end (in samples) * 16 */ lbajardsilogic@0: } snd_seq_ev_loop_t; lbajardsilogic@0: lbajardsilogic@0: /** Sample control events */ lbajardsilogic@0: typedef struct snd_seq_ev_sample_control { lbajardsilogic@0: unsigned char channel; /**< channel */ lbajardsilogic@0: unsigned char unused[3]; /**< reserved */ lbajardsilogic@0: union { lbajardsilogic@0: snd_seq_ev_sample_t sample; /**< sample number */ lbajardsilogic@0: snd_seq_ev_cluster_t cluster; /**< cluster number */ lbajardsilogic@0: snd_seq_position_t position; /**< position */ lbajardsilogic@0: snd_seq_stop_mode_t stop_mode; /**< stop mode */ lbajardsilogic@0: snd_seq_frequency_t frequency; /**< frequency */ lbajardsilogic@0: snd_seq_ev_volume_t volume; /**< volume */ lbajardsilogic@0: snd_seq_ev_loop_t loop; /**< loop control */ lbajardsilogic@0: unsigned char raw8[8]; /**< raw 8-bit */ lbajardsilogic@0: } param; /**< control parameters */ lbajardsilogic@0: } snd_seq_ev_sample_control_t; lbajardsilogic@0: lbajardsilogic@0: lbajardsilogic@0: lbajardsilogic@0: /** INSTR_BEGIN event */ lbajardsilogic@0: typedef struct snd_seq_ev_instr_begin { lbajardsilogic@0: int timeout; /**< zero = forever, otherwise timeout in ms */ lbajardsilogic@0: } snd_seq_ev_instr_begin_t; lbajardsilogic@0: lbajardsilogic@0: /** Result events */ lbajardsilogic@0: typedef struct snd_seq_result { lbajardsilogic@0: int event; /**< processed event type */ lbajardsilogic@0: int result; /**< status */ lbajardsilogic@0: } snd_seq_result_t; lbajardsilogic@0: lbajardsilogic@0: /** Queue skew values */ lbajardsilogic@0: typedef struct snd_seq_queue_skew { lbajardsilogic@0: unsigned int value; /**< skew value */ lbajardsilogic@0: unsigned int base; /**< skew base */ lbajardsilogic@0: } snd_seq_queue_skew_t; lbajardsilogic@0: lbajardsilogic@0: /** queue timer control */ lbajardsilogic@0: typedef struct snd_seq_ev_queue_control { lbajardsilogic@0: unsigned char queue; /**< affected queue */ lbajardsilogic@0: unsigned char unused[3]; /**< reserved */ lbajardsilogic@0: union { lbajardsilogic@0: signed int value; /**< affected value (e.g. tempo) */ lbajardsilogic@0: snd_seq_timestamp_t time; /**< time */ lbajardsilogic@0: unsigned int position; /**< sync position */ lbajardsilogic@0: snd_seq_queue_skew_t skew; /**< queue skew */ lbajardsilogic@0: unsigned int d32[2]; /**< any data */ lbajardsilogic@0: unsigned char d8[8]; /**< any data */ lbajardsilogic@0: } param; /**< data value union */ lbajardsilogic@0: } snd_seq_ev_queue_control_t; lbajardsilogic@0: lbajardsilogic@0: lbajardsilogic@0: /** Sequencer event */ lbajardsilogic@0: typedef struct snd_seq_event { lbajardsilogic@0: snd_seq_event_type_t type; /**< event type */ lbajardsilogic@0: unsigned char flags; /**< event flags */ lbajardsilogic@0: unsigned char tag; /**< tag */ lbajardsilogic@0: lbajardsilogic@0: unsigned char queue; /**< schedule queue */ lbajardsilogic@0: snd_seq_timestamp_t time; /**< schedule time */ lbajardsilogic@0: lbajardsilogic@0: snd_seq_addr_t source; /**< source address */ lbajardsilogic@0: snd_seq_addr_t dest; /**< destination address */ lbajardsilogic@0: lbajardsilogic@0: union { lbajardsilogic@0: snd_seq_ev_note_t note; /**< note information */ lbajardsilogic@0: snd_seq_ev_ctrl_t control; /**< MIDI control information */ lbajardsilogic@0: snd_seq_ev_raw8_t raw8; /**< raw8 data */ lbajardsilogic@0: snd_seq_ev_raw32_t raw32; /**< raw32 data */ lbajardsilogic@0: snd_seq_ev_ext_t ext; /**< external data */ lbajardsilogic@0: snd_seq_ev_queue_control_t queue; /**< queue control */ lbajardsilogic@0: snd_seq_timestamp_t time; /**< timestamp */ lbajardsilogic@0: snd_seq_addr_t addr; /**< address */ lbajardsilogic@0: snd_seq_connect_t connect; /**< connect information */ lbajardsilogic@0: snd_seq_result_t result; /**< operation result code */ lbajardsilogic@0: snd_seq_ev_instr_begin_t instr_begin; /**< instrument */ lbajardsilogic@0: snd_seq_ev_sample_control_t sample; /**< sample control */ lbajardsilogic@0: } data; /**< event data... */ lbajardsilogic@0: } snd_seq_event_t; lbajardsilogic@0: lbajardsilogic@0: lbajardsilogic@0: /** \} */ lbajardsilogic@0: lbajardsilogic@0: #endif /* __ALSA_SEQ_EVENT_H */ lbajardsilogic@0: