2063 lines
74 KiB
C
2063 lines
74 KiB
C
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#ifndef SOUNDCARD_H
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#define SOUNDCARD_H
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/*
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****************************************************************************
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* Copyright by 4Front Technologies 1993-2006
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*
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******************************************************************************
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* Modifications to this file are NOT allowed. This header file controls the
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* OSS API. For compatibility reasons only 4Front Technologies can make changes
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* to the definitions. If you have any questions, please contact
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* hannu@opensound.com.
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******************************************************************************
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*
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* Redistribution and use in source and binary forms, without
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* modification, are permitted provided that the following conditions are
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* met: 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer. 2.
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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****************************************************************************
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*/
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/*
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* Purpose: The C/C++ header file that defines the OSS API.
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* Description:
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* This header file contains all the declarations required to compile OSS
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* programs. The latest version is always installed together with OSS
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* use of the latest version is strongly recommended.
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*
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* {!notice This header file contains many obsolete definitions
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* (for compatibility with older applications that still ned them).
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* Do not use this file as a reference manual of OSS.
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* Please check the OSS Programmer's guide for descriptions
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* of the supported API details (http://www.opensound.com/pguide).}
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*/
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#if defined(__cplusplus)
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#define EXTERNC extern "C"
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#else
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#define EXTERNC extern
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#endif /* EXTERN_C_WRAPPERS */
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#define OSS_VERSION 0x040002
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#define SOUND_VERSION OSS_VERSION
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#define OPEN_SOUND_SYSTEM
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#if defined(__hpux) && !defined(_HPUX_SOURCE)
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# error "-D_HPUX_SOURCE must be used when compiling OSS applications"
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#endif
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#ifdef __hpux
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#include <sys/ioctl.h>
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#endif
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#ifdef linux
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/* In Linux we need to be prepared for cross compiling */
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#include <linux/ioctl.h>
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#else
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# ifdef __FreeBSD__
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# include <sys/ioccom.h>
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# else
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# include <sys/ioctl.h>
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# endif
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#endif
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#ifndef __SIOWR
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#if defined(__hpux) || (defined(_IOWR) && (defined(_AIX) || (!defined(sun) && !defined(sparc) && !defined(__INCioctlh) && !defined(__Lynx__))))
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/*
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* Make sure the ioctl macros are compatible with the ones already used
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* by this operating system.
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*/
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#define SIOCPARM_MASK IOCPARM_MASK
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#define SIOC_VOID IOC_VOID
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#define SIOC_OUT IOC_OUT
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#define SIOC_IN IOC_IN
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#define SIOC_INOUT IOC_INOUT
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#define __SIOC_SIZE _IOC_SIZE
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#define __SIOC_DIR _IOC_DIR
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#define __SIOC_NONE _IOC_NONE
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#define __SIOC_READ _IOC_READ
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#define __SIOC_WRITE _IOC_WRITE
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#define __SIO _IO
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#define __SIOR _IOR
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#define __SIOW _IOW
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#define __SIOWR _IOWR
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#else
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/* #define SIOCTYPE (0xff<<8) */
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#define SIOCPARM_MASK 0x1fff /* parameters must be < 8192 bytes */
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#define SIOC_VOID 0x00000000 /* no parameters */
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#define SIOC_OUT 0x20000000 /* copy out parameters */
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#define SIOC_IN 0x40000000 /* copy in parameters */
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#define SIOC_INOUT (SIOC_IN|SIOC_OUT)
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#define __SIO(x,y) ((int)(SIOC_VOID|(x<<8)|y))
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#define __SIOR(x,y,t) ((int)(SIOC_OUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
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#define __SIOW(x,y,t) ((int)(SIOC_IN|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
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#define __SIOWR(x,y,t) ((int)(SIOC_INOUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
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#define __SIOC_SIZE(x) ((x>>16)&SIOCPARM_MASK)
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#define __SIOC_DIR(x) (x & 0xf0000000)
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#define __SIOC_NONE SIOC_VOID
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#define __SIOC_READ SIOC_OUT
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#define __SIOC_WRITE SIOC_IN
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# endif /* _IOWR */
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#endif /* !__SIOWR */
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#define OSS_LONGNAME_SIZE 64
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#define OSS_LABEL_SIZE 16
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#define OSS_DEVNODE_SIZE 32
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typedef char oss_longname_t[OSS_LONGNAME_SIZE];
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typedef char oss_label_t[OSS_LABEL_SIZE];
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typedef char oss_devnode_t[OSS_DEVNODE_SIZE];
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#ifndef DISABLE_SEQUENCER
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/*
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****************************************************************************
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* IOCTL Commands for /dev/sequencer and /dev/music (AKA /dev/sequencer2)
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*
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* Note that this interface is obsolete and no longer developed. New
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* applications should use /dev/midi instead.
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****************************************************************************/
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#define SNDCTL_SEQ_RESET __SIO ('Q', 0)
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#define SNDCTL_SEQ_SYNC __SIO ('Q', 1)
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#define SNDCTL_SYNTH_INFO __SIOWR('Q', 2, struct synth_info)
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#define SNDCTL_SEQ_CTRLRATE __SIOWR('Q', 3, int) /* Set/get timer resolution (HZ) */
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#define SNDCTL_SEQ_GETOUTCOUNT __SIOR ('Q', 4, int)
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#define SNDCTL_SEQ_GETINCOUNT __SIOR ('Q', 5, int)
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#define SNDCTL_SEQ_PERCMODE __SIOW ('Q', 6, int)
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#define SNDCTL_FM_LOAD_INSTR __SIOW ('Q', 7, struct sbi_instrument) /* Obsolete. Don't use!!!!!! */
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#define SNDCTL_SEQ_TESTMIDI __SIOW ('Q', 8, int)
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#define SNDCTL_SEQ_RESETSAMPLES __SIOW ('Q', 9, int)
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#define SNDCTL_SEQ_NRSYNTHS __SIOR ('Q',10, int)
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#define SNDCTL_SEQ_NRMIDIS __SIOR ('Q',11, int)
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#define SNDCTL_MIDI_INFO __SIOWR('Q',12, struct midi_info) /* OBSOLETE - use SNDCTL_MIDIINFO instead */
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#define SNDCTL_SEQ_THRESHOLD __SIOW ('Q',13, int)
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#define SNDCTL_SYNTH_MEMAVL __SIOWR('Q',14, int) /* in=dev#, out=memsize */
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#define SNDCTL_FM_4OP_ENABLE __SIOW ('Q',15, int) /* in=dev# */
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#define SNDCTL_SEQ_PANIC __SIO ('Q',17)
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#define SNDCTL_SEQ_OUTOFBAND __SIOW ('Q',18, struct seq_event_rec)
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#define SNDCTL_SEQ_GETTIME __SIOR ('Q',19, int)
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#define SNDCTL_SYNTH_ID __SIOWR('Q',20, struct synth_info)
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#define SNDCTL_SYNTH_CONTROL __SIOWR('Q',21, struct synth_control)
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#define SNDCTL_SYNTH_REMOVESAMPLE __SIOWR('Q',22, struct remove_sample) /* Reserved for future use */
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#define SNDCTL_SEQ_TIMING_ENABLE __SIO ('Q', 23) /* Enable incoming MIDI timing messages */
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#define SNDCTL_SEQ_ACTSENSE_ENABLE __SIO ('Q', 24) /* Enable incoming active sensing messages */
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#define SNDCTL_SEQ_RT_ENABLE __SIO ('Q', 25) /* Enable other incoming realtime messages */
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typedef struct synth_control
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{
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int devno; /* Synthesizer # */
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char data[4000]; /* Device spesific command/data record */
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} synth_control;
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typedef struct remove_sample
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{
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int devno; /* Synthesizer # */
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int bankno; /* MIDI bank # (0=General MIDI) */
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int instrno; /* MIDI instrument number */
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} remove_sample;
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typedef struct seq_event_rec
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{
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unsigned char arr[8];
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} seq_event_rec;
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#define SNDCTL_TMR_TIMEBASE __SIOWR('T', 1, int)
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#define SNDCTL_TMR_START __SIO ('T', 2)
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#define SNDCTL_TMR_STOP __SIO ('T', 3)
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#define SNDCTL_TMR_CONTINUE __SIO ('T', 4)
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#define SNDCTL_TMR_TEMPO __SIOWR('T', 5, int)
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#define SNDCTL_TMR_SOURCE __SIOWR('T', 6, int)
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# define TMR_INTERNAL 0x00000001
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# define TMR_EXTERNAL 0x00000002
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# define TMR_MODE_MIDI 0x00000010
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# define TMR_MODE_FSK 0x00000020
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# define TMR_MODE_CLS 0x00000040
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# define TMR_MODE_SMPTE 0x00000080
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#define SNDCTL_TMR_METRONOME __SIOW ('T', 7, int)
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#define SNDCTL_TMR_SELECT __SIOW ('T', 8, int)
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/*
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* Sample loading mechanism for internal synthesizers (/dev/sequencer)
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* (for the .PAT format).
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*/
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struct patch_info
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{
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unsigned short key; /* Use WAVE_PATCH here */
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#define WAVE_PATCH _PATCHKEY(0x04)
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#define GUS_PATCH WAVE_PATCH
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#define WAVEFRONT_PATCH _PATCHKEY(0x06)
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short device_no; /* Synthesizer number */
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short instr_no; /* Midi pgm# */
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unsigned int mode;
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/*
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* The least significant byte has the same format than the GUS .PAT
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* files
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*/
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#define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */
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#define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */
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#define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */
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#define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */
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#define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */
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#define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3) */
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#define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */
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#define WAVE_FAST_RELEASE 0x80 /* bit 7 = Shut off immediately after note off */
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/* (use the env_rate/env_offs fields). */
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/* Linux specific bits */
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#define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */
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#define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */
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#define WAVE_SCALE 0x00040000 /* The scaling info is valid */
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#define WAVE_FRACTIONS 0x00080000 /* Fraction information is valid */
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/* Reserved bits */
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#define WAVE_ROM 0x40000000 /* For future use */
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#define WAVE_MULAW 0x20000000 /* For future use */
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/* Other bits must be zeroed */
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int len; /* Size of the wave data in bytes */
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int loop_start, loop_end; /* Byte offsets from the beginning */
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/*
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* The base_freq and base_note fields are used when computing the
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* playback speed for a note. The base_note defines the tone frequency
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* which is heard if the sample is played using the base_freq as the
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* playback speed.
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*
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* The low_note and high_note fields define the minimum and maximum note
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* frequencies for which this sample is valid. It is possible to define
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* more than one samples for an instrument number at the same time. The
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* low_note and high_note fields are used to select the most suitable one.
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*
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* The fields base_note, high_note and low_note should contain
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* the note frequency multiplied by 1000. For example value for the
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* middle A is 440*1000.
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*/
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unsigned int base_freq;
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unsigned int base_note;
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unsigned int high_note;
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unsigned int low_note;
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int panning; /* -128=left, 127=right */
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int detuning;
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/* Envelope. Enabled by mode bit WAVE_ENVELOPES */
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unsigned char env_rate[6]; /* GUS HW ramping rate */
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unsigned char env_offset[6]; /* 255 == 100% */
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/*
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* The tremolo, vibrato and scale info are not supported yet.
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* Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
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* WAVE_SCALE
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*/
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unsigned char tremolo_sweep;
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unsigned char tremolo_rate;
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unsigned char tremolo_depth;
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unsigned char vibrato_sweep;
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unsigned char vibrato_rate;
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unsigned char vibrato_depth;
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int scale_frequency;
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unsigned int scale_factor; /* from 0 to 2048 or 0 to 2 */
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int volume;
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int fractions;
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int reserved1;
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int spare[2];
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char data[1]; /* The waveform data starts here */
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};
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struct sysex_info
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{
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short key; /* Use SYSEX_PATCH or MAUI_PATCH here */
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#define SYSEX_PATCH _PATCHKEY(0x05)
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#define MAUI_PATCH _PATCHKEY(0x06)
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short device_no; /* Synthesizer number */
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int len; /* Size of the sysex data in bytes */
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unsigned char data[1]; /* Sysex data starts here */
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};
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/*
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* /dev/sequencer input events.
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*
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* The data written to the /dev/sequencer is a stream of events. Events
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* are records of 4 or 8 bytes. The first byte defines the size.
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* Any number of events can be written with a write call. There
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* is a set of macros for sending these events. Use these macros if you
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* want to maximize portability of your program.
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*
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* Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events.
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* (All input events are currently 4 bytes long. Be prepared to support
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* 8 byte events also. If you receive any event having first byte >= 128,
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* it's a 8 byte event.
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*
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* The events are documented at the end of this file.
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*
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* Normal events (4 bytes)
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* There is also a 8 byte version of most of the 4 byte events. The
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* 8 byte one is recommended.
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*
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* NOTE! All 4 byte events are now obsolete. Applications should not write
|
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* them. However 4 byte events are still used as inputs from
|
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* /dev/sequencer (/dev/music uses only 8 byte ones).
|
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*/
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#define SEQ_NOTEOFF 0
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#define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */
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#define SEQ_NOTEON 1
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#define SEQ_FMNOTEON SEQ_NOTEON
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#define SEQ_WAIT TMR_WAIT_ABS
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#define SEQ_PGMCHANGE 3
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#define SEQ_FMPGMCHANGE SEQ_PGMCHANGE
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#define SEQ_SYNCTIMER TMR_START
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#define SEQ_MIDIPUTC 5
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#define SEQ_DRUMON 6 /*** OBSOLETE ***/
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#define SEQ_DRUMOFF 7 /*** OBSOLETE ***/
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#define SEQ_ECHO TMR_ECHO /* For synching programs with output */
|
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#define SEQ_AFTERTOUCH 9
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#define SEQ_CONTROLLER 10
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#define SEQ_BALANCE 11
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#define SEQ_VOLMODE 12
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/************************************
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||
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* Midi controller numbers *
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||
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************************************/
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||
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/*
|
||
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* Controllers 0 to 31 (0x00 to 0x1f) and
|
||
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* 32 to 63 (0x20 to 0x3f) are continuous
|
||
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* controllers.
|
||
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* In the MIDI 1.0 these controllers are sent using
|
||
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* two messages. Controller numbers 0 to 31 are used
|
||
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* to send the MSB and the controller numbers 32 to 63
|
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* are for the LSB. Note that just 7 bits are used in MIDI bytes.
|
||
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*/
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||
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#define CTL_BANK_SELECT 0x00
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#define CTL_MODWHEEL 0x01
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#define CTL_BREATH 0x02
|
||
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/* undefined 0x03 */
|
||
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#define CTL_FOOT 0x04
|
||
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#define CTL_PORTAMENTO_TIME 0x05
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#define CTL_DATA_ENTRY 0x06
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||
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#define CTL_MAIN_VOLUME 0x07
|
||
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#define CTL_BALANCE 0x08
|
||
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/* undefined 0x09 */
|
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#define CTL_PAN 0x0a
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#define CTL_EXPRESSION 0x0b
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/* undefined 0x0c */
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||
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/* undefined 0x0d */
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||
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/* undefined 0x0e */
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||
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/* undefined 0x0f */
|
||
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#define CTL_GENERAL_PURPOSE1 0x10
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||
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#define CTL_GENERAL_PURPOSE2 0x11
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||
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#define CTL_GENERAL_PURPOSE3 0x12
|
||
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#define CTL_GENERAL_PURPOSE4 0x13
|
||
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/* undefined 0x14 - 0x1f */
|
||
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||
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/* undefined 0x20 */
|
||
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/* The controller numbers 0x21 to 0x3f are reserved for the */
|
||
|
/* least significant bytes of the controllers 0x00 to 0x1f. */
|
||
|
/* These controllers are not recognised by the driver. */
|
||
|
|
||
|
/* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */
|
||
|
/* 0=OFF and 127=ON (intermediate values are possible) */
|
||
|
#define CTL_DAMPER_PEDAL 0x40
|
||
|
#define CTL_SUSTAIN 0x40 /* Alias */
|
||
|
#define CTL_HOLD 0x40 /* Alias */
|
||
|
#define CTL_PORTAMENTO 0x41
|
||
|
#define CTL_SOSTENUTO 0x42
|
||
|
#define CTL_SOFT_PEDAL 0x43
|
||
|
/* undefined 0x44 */
|
||
|
#define CTL_HOLD2 0x45
|
||
|
/* undefined 0x46 - 0x4f */
|
||
|
|
||
|
#define CTL_GENERAL_PURPOSE5 0x50
|
||
|
#define CTL_GENERAL_PURPOSE6 0x51
|
||
|
#define CTL_GENERAL_PURPOSE7 0x52
|
||
|
#define CTL_GENERAL_PURPOSE8 0x53
|
||
|
/* undefined 0x54 - 0x5a */
|
||
|
#define CTL_EXT_EFF_DEPTH 0x5b
|
||
|
#define CTL_TREMOLO_DEPTH 0x5c
|
||
|
#define CTL_CHORUS_DEPTH 0x5d
|
||
|
#define CTL_DETUNE_DEPTH 0x5e
|
||
|
#define CTL_CELESTE_DEPTH 0x5e /* Alias for the above one */
|
||
|
#define CTL_PHASER_DEPTH 0x5f
|
||
|
#define CTL_DATA_INCREMENT 0x60
|
||
|
#define CTL_DATA_DECREMENT 0x61
|
||
|
#define CTL_NONREG_PARM_NUM_LSB 0x62
|
||
|
#define CTL_NONREG_PARM_NUM_MSB 0x63
|
||
|
#define CTL_REGIST_PARM_NUM_LSB 0x64
|
||
|
#define CTL_REGIST_PARM_NUM_MSB 0x65
|
||
|
/* undefined 0x66 - 0x78 */
|
||
|
/* reserved 0x79 - 0x7f */
|
||
|
|
||
|
/* Pseudo controllers (not midi compatible) */
|
||
|
#define CTRL_PITCH_BENDER 255
|
||
|
#define CTRL_PITCH_BENDER_RANGE 254
|
||
|
#define CTRL_EXPRESSION 253 /* Obsolete */
|
||
|
#define CTRL_MAIN_VOLUME 252 /* Obsolete */
|
||
|
|
||
|
/*
|
||
|
* Volume mode defines how volumes are used
|
||
|
*/
|
||
|
|
||
|
#define VOL_METHOD_ADAGIO 1
|
||
|
#define VOL_METHOD_LINEAR 2
|
||
|
|
||
|
/*
|
||
|
* Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
|
||
|
* input events.
|
||
|
*/
|
||
|
|
||
|
/*
|
||
|
* Event codes 0xf0 to 0xfc are reserved for future extensions.
|
||
|
*/
|
||
|
|
||
|
#define SEQ_FULLSIZE 0xfd /* Long events */
|
||
|
/*
|
||
|
* SEQ_FULLSIZE events are used for loading patches/samples to the
|
||
|
* synthesizer devices. These events are passed directly to the driver
|
||
|
* of the associated synthesizer device. There is no limit to the size
|
||
|
* of the extended events. These events are not queued but executed
|
||
|
* immediately when the write() is called (execution can take several
|
||
|
* seconds of time).
|
||
|
*
|
||
|
* When a SEQ_FULLSIZE message is written to the device, it must
|
||
|
* be written using exactly one write() call. Other events cannot
|
||
|
* be mixed to the same write.
|
||
|
*
|
||
|
* For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the
|
||
|
* /dev/sequencer. Don't write other data together with the instrument structure
|
||
|
* Set the key field of the structure to FM_PATCH. The device field is used to
|
||
|
* route the patch to the corresponding device.
|
||
|
*
|
||
|
* For wave table use struct patch_info. Initialize the key field
|
||
|
* to WAVE_PATCH.
|
||
|
*/
|
||
|
#define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */
|
||
|
#define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */
|
||
|
|
||
|
/*
|
||
|
* Record for FM patches
|
||
|
*/
|
||
|
|
||
|
typedef unsigned char sbi_instr_data[32];
|
||
|
|
||
|
struct sbi_instrument
|
||
|
{
|
||
|
unsigned short key; /* FM_PATCH or OPL3_PATCH */
|
||
|
#define FM_PATCH _PATCHKEY(0x01)
|
||
|
#define OPL3_PATCH _PATCHKEY(0x03)
|
||
|
short device; /* Synth# (0-4) */
|
||
|
int channel; /* Program# to be initialized */
|
||
|
sbi_instr_data operators; /* Register settings for operator cells (.SBI format) */
|
||
|
};
|
||
|
|
||
|
struct synth_info
|
||
|
{ /* Read only */
|
||
|
char name[30];
|
||
|
int device; /* 0-N. INITIALIZE BEFORE CALLING */
|
||
|
int synth_type;
|
||
|
#define SYNTH_TYPE_FM 0
|
||
|
#define SYNTH_TYPE_SAMPLE 1
|
||
|
#define SYNTH_TYPE_MIDI 2 /* Midi interface */
|
||
|
|
||
|
int synth_subtype;
|
||
|
#define FM_TYPE_ADLIB 0x00
|
||
|
#define FM_TYPE_OPL3 0x01
|
||
|
#define MIDI_TYPE_MPU401 0x401
|
||
|
|
||
|
#define SAMPLE_TYPE_BASIC 0x10
|
||
|
#define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC
|
||
|
#define SAMPLE_TYPE_WAVEFRONT 0x11
|
||
|
|
||
|
int perc_mode; /* No longer supported */
|
||
|
int nr_voices;
|
||
|
int nr_drums; /* Obsolete field */
|
||
|
int instr_bank_size;
|
||
|
unsigned int capabilities;
|
||
|
#define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */
|
||
|
#define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */
|
||
|
#define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */
|
||
|
int dummies[19]; /* Reserve space */
|
||
|
};
|
||
|
|
||
|
struct sound_timer_info
|
||
|
{
|
||
|
char name[32];
|
||
|
int caps;
|
||
|
};
|
||
|
|
||
|
struct midi_info /* OBSOLETE */
|
||
|
{
|
||
|
char name[30];
|
||
|
int device; /* 0-N. INITIALIZE BEFORE CALLING */
|
||
|
unsigned int capabilities; /* To be defined later */
|
||
|
int dev_type;
|
||
|
int dummies[18]; /* Reserve space */
|
||
|
};
|
||
|
|
||
|
/*
|
||
|
* Level 2 event types for /dev/sequencer
|
||
|
*/
|
||
|
|
||
|
/*
|
||
|
* The 4 most significant bits of byte 0 specify the class of
|
||
|
* the event:
|
||
|
*
|
||
|
* 0x8X = system level events,
|
||
|
* 0x9X = device/port specific events, event[1] = device/port,
|
||
|
* The last 4 bits give the subtype:
|
||
|
* 0x02 = Channel event (event[3] = chn).
|
||
|
* 0x01 = note event (event[4] = note).
|
||
|
* (0x01 is not used alone but always with bit 0x02).
|
||
|
* event[2] = MIDI message code (0x80=note off etc.)
|
||
|
*
|
||
|
*/
|
||
|
|
||
|
#define EV_SEQ_LOCAL 0x80
|
||
|
#define EV_TIMING 0x81
|
||
|
#define EV_CHN_COMMON 0x92
|
||
|
#define EV_CHN_VOICE 0x93
|
||
|
#define EV_SYSEX 0x94
|
||
|
#define EV_SYSTEM 0x95 /* MIDI system and real time messages (input only) */
|
||
|
/*
|
||
|
* Event types 200 to 220 are reserved for application use.
|
||
|
* These numbers will not be used by the driver.
|
||
|
*/
|
||
|
|
||
|
/*
|
||
|
* Events for event type EV_CHN_VOICE
|
||
|
*/
|
||
|
|
||
|
#define MIDI_NOTEOFF 0x80
|
||
|
#define MIDI_NOTEON 0x90
|
||
|
#define MIDI_KEY_PRESSURE 0xA0
|
||
|
|
||
|
/*
|
||
|
* Events for event type EV_CHN_COMMON
|
||
|
*/
|
||
|
|
||
|
#define MIDI_CTL_CHANGE 0xB0
|
||
|
#define MIDI_PGM_CHANGE 0xC0
|
||
|
#define MIDI_CHN_PRESSURE 0xD0
|
||
|
#define MIDI_PITCH_BEND 0xE0
|
||
|
|
||
|
#define MIDI_SYSTEM_PREFIX 0xF0
|
||
|
|
||
|
/*
|
||
|
* Timer event types
|
||
|
*/
|
||
|
#define TMR_WAIT_REL 1 /* Time relative to the prev time */
|
||
|
#define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */
|
||
|
#define TMR_STOP 3
|
||
|
#define TMR_START 4
|
||
|
#define TMR_CONTINUE 5
|
||
|
#define TMR_TEMPO 6
|
||
|
#define TMR_ECHO 8
|
||
|
#define TMR_CLOCK 9 /* MIDI clock */
|
||
|
#define TMR_SPP 10 /* Song position pointer */
|
||
|
#define TMR_TIMESIG 11 /* Time signature */
|
||
|
|
||
|
/*
|
||
|
* Local event types
|
||
|
*/
|
||
|
#define LOCL_STARTAUDIO 1
|
||
|
#define LOCL_STARTAUDIO2 2
|
||
|
#define LOCL_STARTAUDIO3 3
|
||
|
#define LOCL_STARTAUDIO4 4
|
||
|
|
||
|
#if (!defined(__KERNEL__) && !defined(KERNEL) && !defined(INKERNEL) && !defined(_KERNEL)) || defined(USE_SEQ_MACROS)
|
||
|
/*
|
||
|
* Some convenience macros to simplify programming of the
|
||
|
* /dev/sequencer interface
|
||
|
*
|
||
|
* These macros define the API which should be used when possible.
|
||
|
*/
|
||
|
#define SEQ_DECLAREBUF() SEQ_USE_EXTBUF()
|
||
|
|
||
|
void seqbuf_dump (void); /* This function must be provided by programs */
|
||
|
|
||
|
EXTERNC int OSS_init (int seqfd, int buflen);
|
||
|
EXTERNC void OSS_seqbuf_dump (int fd, unsigned char *buf, int buflen);
|
||
|
EXTERNC void OSS_seq_advbuf (int len, int fd, unsigned char *buf, int buflen);
|
||
|
EXTERNC void OSS_seq_needbuf (int len, int fd, unsigned char *buf,
|
||
|
int buflen);
|
||
|
EXTERNC void OSS_patch_caching (int dev, int chn, int patch, int fd,
|
||
|
unsigned char *buf, int buflen);
|
||
|
EXTERNC void OSS_drum_caching (int dev, int chn, int patch, int fd,
|
||
|
unsigned char *buf, int buflen);
|
||
|
EXTERNC void OSS_write_patch (int fd, unsigned char *buf, int len);
|
||
|
EXTERNC int OSS_write_patch2 (int fd, unsigned char *buf, int len);
|
||
|
|
||
|
#define SEQ_PM_DEFINES int __foo_bar___
|
||
|
#ifdef OSSLIB
|
||
|
# define SEQ_USE_EXTBUF() \
|
||
|
EXTERNC unsigned char *_seqbuf; \
|
||
|
EXTERNC int _seqbuflen;EXTERNC int _seqbufptr
|
||
|
# define SEQ_DEFINEBUF(len) SEQ_USE_EXTBUF();static int _requested_seqbuflen=len
|
||
|
# define _SEQ_ADVBUF(len) OSS_seq_advbuf(len, seqfd, _seqbuf, _seqbuflen)
|
||
|
# define _SEQ_NEEDBUF(len) OSS_seq_needbuf(len, seqfd, _seqbuf, _seqbuflen)
|
||
|
# define SEQ_DUMPBUF() OSS_seqbuf_dump(seqfd, _seqbuf, _seqbuflen)
|
||
|
|
||
|
# define SEQ_LOAD_GMINSTR(dev, instr) \
|
||
|
OSS_patch_caching(dev, -1, instr, seqfd, _seqbuf, _seqbuflen)
|
||
|
# define SEQ_LOAD_GMDRUM(dev, drum) \
|
||
|
OSS_drum_caching(dev, -1, drum, seqfd, _seqbuf, _seqbuflen)
|
||
|
#else /* !OSSLIB */
|
||
|
|
||
|
# define SEQ_LOAD_GMINSTR(dev, instr)
|
||
|
# define SEQ_LOAD_GMDRUM(dev, drum)
|
||
|
|
||
|
# define SEQ_USE_EXTBUF() \
|
||
|
EXTERNC unsigned char _seqbuf[]; \
|
||
|
EXTERNC int _seqbuflen;EXTERNC int _seqbufptr
|
||
|
|
||
|
#ifndef USE_SIMPLE_MACROS
|
||
|
/* Sample seqbuf_dump() implementation:
|
||
|
*
|
||
|
* SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes
|
||
|
*
|
||
|
* int seqfd; -- The file descriptor for /dev/sequencer.
|
||
|
*
|
||
|
* void
|
||
|
* seqbuf_dump ()
|
||
|
* {
|
||
|
* if (_seqbufptr)
|
||
|
* if (write (seqfd, _seqbuf, _seqbufptr) == -1)
|
||
|
* {
|
||
|
* perror ("write /dev/sequencer");
|
||
|
* exit (-1);
|
||
|
* }
|
||
|
* _seqbufptr = 0;
|
||
|
* }
|
||
|
*/
|
||
|
|
||
|
#define SEQ_DEFINEBUF(len) \
|
||
|
unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0
|
||
|
#define _SEQ_NEEDBUF(len) \
|
||
|
if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump()
|
||
|
#define _SEQ_ADVBUF(len) _seqbufptr += len
|
||
|
#define SEQ_DUMPBUF seqbuf_dump
|
||
|
#else
|
||
|
/*
|
||
|
* This variation of the sequencer macros is used just to format one event
|
||
|
* using fixed buffer.
|
||
|
*
|
||
|
* The program using the macro library must define the following macros before
|
||
|
* using this library.
|
||
|
*
|
||
|
* #define _seqbuf name of the buffer (unsigned char[])
|
||
|
* #define _SEQ_ADVBUF(len) If the applic needs to know the exact
|
||
|
* size of the event, this macro can be used.
|
||
|
* Otherwise this must be defined as empty.
|
||
|
* #define _seqbufptr Define the name of index variable or 0 if
|
||
|
* not required.
|
||
|
*/
|
||
|
#define _SEQ_NEEDBUF(len) /* empty */
|
||
|
#endif
|
||
|
#endif /* !OSSLIB */
|
||
|
|
||
|
#define SEQ_VOLUME_MODE(dev, mode) \
|
||
|
{_SEQ_NEEDBUF(8);\
|
||
|
_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
|
||
|
_seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\
|
||
|
_seqbuf[_seqbufptr+2] = (dev);\
|
||
|
_seqbuf[_seqbufptr+3] = (mode);\
|
||
|
_seqbuf[_seqbufptr+4] = 0;\
|
||
|
_seqbuf[_seqbufptr+5] = 0;\
|
||
|
_seqbuf[_seqbufptr+6] = 0;\
|
||
|
_seqbuf[_seqbufptr+7] = 0;\
|
||
|
_SEQ_ADVBUF(8);}
|
||
|
|
||
|
/*
|
||
|
* Midi voice messages
|
||
|
*/
|
||
|
|
||
|
#define _CHN_VOICE(dev, event, chn, note, parm) \
|
||
|
{_SEQ_NEEDBUF(8);\
|
||
|
_seqbuf[_seqbufptr] = EV_CHN_VOICE;\
|
||
|
_seqbuf[_seqbufptr+1] = (dev);\
|
||
|
_seqbuf[_seqbufptr+2] = (event);\
|
||
|
_seqbuf[_seqbufptr+3] = (chn);\
|
||
|
_seqbuf[_seqbufptr+4] = (note);\
|
||
|
_seqbuf[_seqbufptr+5] = (parm);\
|
||
|
_seqbuf[_seqbufptr+6] = (0);\
|
||
|
_seqbuf[_seqbufptr+7] = 0;\
|
||
|
_SEQ_ADVBUF(8);}
|
||
|
|
||
|
#define SEQ_START_NOTE(dev, chn, note, vol) \
|
||
|
_CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol)
|
||
|
|
||
|
#define SEQ_STOP_NOTE(dev, chn, note, vol) \
|
||
|
_CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol)
|
||
|
|
||
|
#define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \
|
||
|
_CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure)
|
||
|
|
||
|
/*
|
||
|
* Midi channel messages
|
||
|
*/
|
||
|
|
||
|
#define _CHN_COMMON(dev, event, chn, p1, p2, w14) \
|
||
|
{_SEQ_NEEDBUF(8);\
|
||
|
_seqbuf[_seqbufptr] = EV_CHN_COMMON;\
|
||
|
_seqbuf[_seqbufptr+1] = (dev);\
|
||
|
_seqbuf[_seqbufptr+2] = (event);\
|
||
|
_seqbuf[_seqbufptr+3] = (chn);\
|
||
|
_seqbuf[_seqbufptr+4] = (p1);\
|
||
|
_seqbuf[_seqbufptr+5] = (p2);\
|
||
|
*(short *)&_seqbuf[_seqbufptr+6] = (w14);\
|
||
|
_SEQ_ADVBUF(8);}
|
||
|
/*
|
||
|
* SEQ_SYSEX permits sending of sysex messages. (It may look that it permits
|
||
|
* sending any MIDI bytes but it's absolutely not possible. Trying to do
|
||
|
* so _will_ cause problems with MPU401 intelligent mode).
|
||
|
*
|
||
|
* Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be
|
||
|
* sent by calling SEQ_SYSEX() several times (there must be no other events
|
||
|
* between them). First sysex fragment must have 0xf0 in the first byte
|
||
|
* and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte
|
||
|
* between these sysex start and end markers cannot be larger than 0x7f. Also
|
||
|
* lengths of each fragments (except the last one) must be 6.
|
||
|
*
|
||
|
* Breaking the above rules may work with some MIDI ports but is likely to
|
||
|
* cause fatal problems with some other devices (such as MPU401).
|
||
|
*/
|
||
|
#define SEQ_SYSEX(dev, buf, len) \
|
||
|
{int ii, ll=(len); \
|
||
|
unsigned char *bufp=buf;\
|
||
|
if (ll>6)ll=6;\
|
||
|
_SEQ_NEEDBUF(8);\
|
||
|
_seqbuf[_seqbufptr] = EV_SYSEX;\
|
||
|
_seqbuf[_seqbufptr+1] = (dev);\
|
||
|
for(ii=0;ii<ll;ii++)\
|
||
|
_seqbuf[_seqbufptr+ii+2] = bufp[ii];\
|
||
|
for(ii=ll;ii<6;ii++)\
|
||
|
_seqbuf[_seqbufptr+ii+2] = 0xff;\
|
||
|
_SEQ_ADVBUF(8);}
|
||
|
|
||
|
#define SEQ_CHN_PRESSURE(dev, chn, pressure) \
|
||
|
_CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0)
|
||
|
|
||
|
#define SEQ_SET_PATCH SEQ_PGM_CHANGE
|
||
|
#ifdef OSSLIB
|
||
|
# define SEQ_PGM_CHANGE(dev, chn, patch) \
|
||
|
{OSS_patch_caching(dev, chn, patch, seqfd, _seqbuf, _seqbuflen); \
|
||
|
_CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0);}
|
||
|
#else
|
||
|
# define SEQ_PGM_CHANGE(dev, chn, patch) \
|
||
|
_CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0)
|
||
|
#endif
|
||
|
|
||
|
#define SEQ_CONTROL(dev, chn, controller, value) \
|
||
|
_CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value)
|
||
|
|
||
|
#define SEQ_BENDER(dev, chn, value) \
|
||
|
_CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value)
|
||
|
|
||
|
#define SEQ_V2_X_CONTROL(dev, voice, controller, value) \
|
||
|
{_SEQ_NEEDBUF(8);\
|
||
|
_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
|
||
|
_seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\
|
||
|
_seqbuf[_seqbufptr+2] = (dev);\
|
||
|
_seqbuf[_seqbufptr+3] = (voice);\
|
||
|
_seqbuf[_seqbufptr+4] = (controller);\
|
||
|
_seqbuf[_seqbufptr+5] = ((value)&0xff);\
|
||
|
_seqbuf[_seqbufptr+6] = ((value>>8)&0xff);\
|
||
|
_seqbuf[_seqbufptr+7] = 0;\
|
||
|
_SEQ_ADVBUF(8);}
|
||
|
/*
|
||
|
* The following 5 macros are incorrectly implemented and obsolete.
|
||
|
* Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead.
|
||
|
*/
|
||
|
#define SEQ_PITCHBEND(dev, voice, value) \
|
||
|
SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value)
|
||
|
#define SEQ_BENDER_RANGE(dev, voice, value) \
|
||
|
SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value)
|
||
|
#define SEQ_EXPRESSION(dev, voice, value) \
|
||
|
SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128)
|
||
|
#define SEQ_MAIN_VOLUME(dev, voice, value) \
|
||
|
SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100)
|
||
|
#define SEQ_PANNING(dev, voice, pos) \
|
||
|
SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2)
|
||
|
|
||
|
/*
|
||
|
* Timing and syncronization macros
|
||
|
*/
|
||
|
|
||
|
#define _TIMER_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\
|
||
|
_seqbuf[_seqbufptr+0] = EV_TIMING; \
|
||
|
_seqbuf[_seqbufptr+1] = (ev); \
|
||
|
_seqbuf[_seqbufptr+2] = 0;\
|
||
|
_seqbuf[_seqbufptr+3] = 0;\
|
||
|
*(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
|
||
|
_SEQ_ADVBUF(8);}
|
||
|
|
||
|
#define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0)
|
||
|
#define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0)
|
||
|
#define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0)
|
||
|
#define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks)
|
||
|
#define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks)
|
||
|
#define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key)
|
||
|
#define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value)
|
||
|
#define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos)
|
||
|
#define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig)
|
||
|
|
||
|
/*
|
||
|
* Local control events
|
||
|
*/
|
||
|
|
||
|
#define _LOCAL_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\
|
||
|
_seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \
|
||
|
_seqbuf[_seqbufptr+1] = (ev); \
|
||
|
_seqbuf[_seqbufptr+2] = 0;\
|
||
|
_seqbuf[_seqbufptr+3] = 0;\
|
||
|
*(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
|
||
|
_SEQ_ADVBUF(8);}
|
||
|
|
||
|
#define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask)
|
||
|
#define SEQ_PLAYAUDIO2(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO2, devmask)
|
||
|
#define SEQ_PLAYAUDIO3(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO3, devmask)
|
||
|
#define SEQ_PLAYAUDIO4(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO4, devmask)
|
||
|
/*
|
||
|
* Events for the level 1 interface only
|
||
|
*/
|
||
|
|
||
|
#define SEQ_MIDIOUT(device, byte) {_SEQ_NEEDBUF(4);\
|
||
|
_seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\
|
||
|
_seqbuf[_seqbufptr+1] = (byte);\
|
||
|
_seqbuf[_seqbufptr+2] = (device);\
|
||
|
_seqbuf[_seqbufptr+3] = 0;\
|
||
|
_SEQ_ADVBUF(4);}
|
||
|
|
||
|
/*
|
||
|
* Patch loading.
|
||
|
*/
|
||
|
#ifdef OSSLIB
|
||
|
# define SEQ_WRPATCH(patchx, len) \
|
||
|
OSS_write_patch(seqfd, (char*)(patchx), len)
|
||
|
# define SEQ_WRPATCH2(patchx, len) \
|
||
|
OSS_write_patch2(seqfd, (char*)(patchx), len)
|
||
|
#else
|
||
|
# define SEQ_WRPATCH(patchx, len) \
|
||
|
{if (_seqbufptr) SEQ_DUMPBUF();\
|
||
|
if (write(seqfd, (char*)(patchx), len)==-1) \
|
||
|
perror("Write patch: /dev/sequencer");}
|
||
|
# define SEQ_WRPATCH2(patchx, len) \
|
||
|
(SEQ_DUMPBUF(), write(seqfd, (char*)(patchx), len))
|
||
|
#endif
|
||
|
|
||
|
#endif
|
||
|
#endif /* ifndef DISABLE_SEQUENCER */
|
||
|
|
||
|
/*
|
||
|
****************************************************************************
|
||
|
* ioctl commands for the /dev/midi##
|
||
|
****************************************************************************/
|
||
|
#define SNDCTL_MIDI_PRETIME __SIOWR('m', 0, int)
|
||
|
|
||
|
#if 0
|
||
|
/*
|
||
|
* The SNDCTL_MIDI_MPUMODE and SNDCTL_MIDI_MPUCMD calls
|
||
|
* are completely obsolete. The hardware device (MPU-401 "intelligent mode"
|
||
|
* and compatibles) has disappeared from the market 10 years ago so there
|
||
|
* is no need for this stuff. The MPU-401 "UART" mode devices don't support
|
||
|
* this stuff.
|
||
|
*/
|
||
|
typedef struct
|
||
|
{
|
||
|
unsigned char cmd;
|
||
|
char nr_args, nr_returns;
|
||
|
unsigned char data[30];
|
||
|
} mpu_command_rec;
|
||
|
|
||
|
#define SNDCTL_MIDI_MPUMODE __SIOWR('m', 1, int)
|
||
|
#define SNDCTL_MIDI_MPUCMD __SIOWR('m', 2, mpu_command_rec)
|
||
|
#endif
|
||
|
|
||
|
/*
|
||
|
* SNDCTL_MIDI_MTCINPUT turns on a mode where OSS automatically inserts
|
||
|
* MTC quarter frame messages (F1 xx) to the input.
|
||
|
* The argument is the MTC mode:
|
||
|
*
|
||
|
* -1 = Turn MTC messages OFF (default)
|
||
|
* 24 = 24 FPS
|
||
|
* 25 = 25 FPS
|
||
|
* 29 = 30 FPS drop frame
|
||
|
* 30 = 30 FPS
|
||
|
*
|
||
|
* Note that 25 FPS mode is probably the only mode that is supported. Other
|
||
|
* modes may be supported in the future versions of OSS, 25 FPS is handy
|
||
|
* because it generates 25*4=100 quarter frame messages per second which
|
||
|
* matches the usual 100 HZ system timer rate).
|
||
|
*
|
||
|
* The quarter frame timer will be reset to 0:00:00:00.0 at the moment this
|
||
|
* ioctl is made.
|
||
|
*/
|
||
|
#define SNDCTL_MIDI_MTCINPUT __SIOWR('m', 3, int)
|
||
|
|
||
|
/*
|
||
|
* MTC/SMPTE time code record (for future use)
|
||
|
*/
|
||
|
typedef struct
|
||
|
{
|
||
|
unsigned char hours, minutes, seconds, frames, qframes;
|
||
|
char direction;
|
||
|
#define MTC_DIR_STOPPED 0
|
||
|
#define MTC_DIR_FORWARD 1
|
||
|
#define MTC_DIR_BACKWARD -1
|
||
|
unsigned char time_code_type;
|
||
|
unsigned int flags;
|
||
|
} oss_mtc_data_t;
|
||
|
|
||
|
#define SNDCTL_MIDI_SETMODE __SIOWR('m', 6, int)
|
||
|
# define MIDI_MODE_TRADITIONAL 0
|
||
|
# define MIDI_MODE_TIMED 1 /* Input times are in MIDI ticks */
|
||
|
# define MIDI_MODE_TIMED_ABS 2 /* Input times are absolute (usecs) */
|
||
|
|
||
|
/*
|
||
|
* Packet header for MIDI_MODE_TIMED and MIDI_MODE_TIMED_ABS
|
||
|
*/
|
||
|
typedef unsigned long long oss_midi_time_t; /* Variable type for MIDI time (clock ticks) */
|
||
|
|
||
|
typedef struct
|
||
|
{
|
||
|
int magic; /* Initialize to MIDI_HDR_MAGIC */
|
||
|
#define MIDI_HDR_MAGIC -1
|
||
|
unsigned short event_type;
|
||
|
#define MIDI_EV_WRITE 0 /* Write or read (with payload) */
|
||
|
#define MIDI_EV_TEMPO 1
|
||
|
#define MIDI_EV_ECHO 2
|
||
|
#define MIDI_EV_START 3
|
||
|
#define MIDI_EV_STOP 4
|
||
|
#define MIDI_EV_CONTINUE 5
|
||
|
#define MIDI_EV_XPRESSWRITE 6
|
||
|
#define MIDI_EV_TIMEBASE 7
|
||
|
#define MIDI_EV_DEVCTL 8 /* Device control read/write */
|
||
|
unsigned short options;
|
||
|
#define MIDI_OPT_NONE 0x0000
|
||
|
#define MIDI_OPT_TIMED 0x0001
|
||
|
#define MIDI_OPT_CONTINUATION 0x0002
|
||
|
#define MIDI_OPT_USECTIME 0x0004 /* Time is absolute (in usecs) */
|
||
|
#define MIDI_OPT_BUSY 0x0008 /* Reserved for internal use */
|
||
|
oss_midi_time_t time;
|
||
|
int parm;
|
||
|
int filler[3]; /* Fur future expansion - init to zeros */
|
||
|
} midi_packet_header_t;
|
||
|
/*
|
||
|
* MIDI_PAYLOAD_SIZE is the maximum size of one MIDI input chunk. It must be
|
||
|
* less (or equal) than 1024 which is the read size recommended in the
|
||
|
* documentation. TODO: Explain this better.
|
||
|
*/
|
||
|
#define MIDI_PAYLOAD_SIZE 1000
|
||
|
|
||
|
typedef struct
|
||
|
{
|
||
|
midi_packet_header_t hdr;
|
||
|
unsigned char payload[MIDI_PAYLOAD_SIZE];
|
||
|
} midi_packet_t;
|
||
|
|
||
|
#define SNDCTL_MIDI_TIMEBASE __SIOWR('m', 7, int)
|
||
|
#define SNDCTL_MIDI_TEMPO __SIOWR('m', 8, int)
|
||
|
/*
|
||
|
* User land MIDI servers (synths) can use SNDCTL_MIDI_SET_LATENCY
|
||
|
* to request MIDI events to be sent to them in advance. The parameter
|
||
|
* (in microseconds) tells how much before the events are submitted.
|
||
|
*
|
||
|
* This feature is only valid for loopback devices and possibly some other
|
||
|
* types of virtual devices.
|
||
|
*/
|
||
|
#define SNDCTL_MIDI_SET_LATENCY __SIOW ('m', 9, int)
|
||
|
/*
|
||
|
****************************************************************************
|
||
|
* IOCTL commands for /dev/dsp
|
||
|
****************************************************************************/
|
||
|
|
||
|
#define SNDCTL_DSP_HALT __SIO ('P', 0)
|
||
|
#define SNDCTL_DSP_RESET SNDCTL_DSP_HALT /* Old name */
|
||
|
#define SNDCTL_DSP_SYNC __SIO ('P', 1)
|
||
|
#define SNDCTL_DSP_SPEED __SIOWR('P', 2, int)
|
||
|
|
||
|
/* SNDCTL_DSP_STEREO is obsolete - use SNDCTL_DSP_CHANNELS instead */
|
||
|
#define SNDCTL_DSP_STEREO __SIOWR('P', 3, int)
|
||
|
/* SNDCTL_DSP_STEREO is obsolete - use SNDCTL_DSP_CHANNELS instead */
|
||
|
|
||
|
#define SNDCTL_DSP_GETBLKSIZE __SIOWR('P', 4, int)
|
||
|
#define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT
|
||
|
#define SNDCTL_DSP_CHANNELS __SIOWR('P', 6, int)
|
||
|
#define SNDCTL_DSP_POST __SIO ('P', 8)
|
||
|
#define SNDCTL_DSP_SUBDIVIDE __SIOWR('P', 9, int)
|
||
|
#define SNDCTL_DSP_SETFRAGMENT __SIOWR('P',10, int)
|
||
|
|
||
|
/* Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */
|
||
|
#define SNDCTL_DSP_GETFMTS __SIOR ('P',11, int) /* Returns a mask */
|
||
|
#define SNDCTL_DSP_SETFMT __SIOWR('P',5, int) /* Selects ONE fmt */
|
||
|
# define AFMT_QUERY 0x00000000 /* Return current fmt */
|
||
|
# define AFMT_MU_LAW 0x00000001
|
||
|
# define AFMT_A_LAW 0x00000002
|
||
|
# define AFMT_IMA_ADPCM 0x00000004
|
||
|
# define AFMT_U8 0x00000008
|
||
|
# define AFMT_S16_LE 0x00000010 /* Little endian signed 16 */
|
||
|
# define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */
|
||
|
# define AFMT_S8 0x00000040
|
||
|
# define AFMT_U16_LE 0x00000080 /* Little endian U16 */
|
||
|
# define AFMT_U16_BE 0x00000100 /* Big endian U16 */
|
||
|
# define AFMT_MPEG 0x00000200 /* MPEG (2) audio */
|
||
|
|
||
|
/* AC3 _compressed_ bitstreams (See Programmer's Guide for details). */
|
||
|
# define AFMT_AC3 0x00000400
|
||
|
/* Ogg Vorbis _compressed_ bit streams */
|
||
|
# define AFMT_VORBIS 0x00000800
|
||
|
|
||
|
/* 32 bit formats (MSB aligned) formats */
|
||
|
# define AFMT_S32_LE 0x00001000
|
||
|
# define AFMT_S32_BE 0x00002000
|
||
|
|
||
|
/* Reserved for _native_ endian double precision IEEE floating point */
|
||
|
# define AFMT_FLOAT 0x00004000
|
||
|
|
||
|
/* 24 bit formats (LSB aligned in 32 bit word) formats */
|
||
|
# define AFMT_S24_LE 0x00008000
|
||
|
# define AFMT_S24_BE 0x00010000
|
||
|
|
||
|
/*
|
||
|
* S/PDIF raw format. In this format the S/PDIF frames (including all
|
||
|
* control and user bits) are included in the data stream. Each sample
|
||
|
* is stored in a 32 bit frame (see IEC-958 for more info). This format
|
||
|
* is supported by very few devices and it's only usable for purposes
|
||
|
* where full access to the control/user bits is required (real time control).
|
||
|
*/
|
||
|
# define AFMT_SPDIF_RAW 0x00020000
|
||
|
|
||
|
/* 24 bit packed (3 byte) little endian format (USB compatibility) */
|
||
|
# define AFMT_S24_PACKED 0x00040000
|
||
|
|
||
|
|
||
|
/*
|
||
|
* Some big endian/little endian handling macros (native endian and opposite
|
||
|
* endian formats). The usage of these macros is described in the OSS
|
||
|
* Programmer's Manual.
|
||
|
*/
|
||
|
|
||
|
#if defined(_AIX) || defined(AIX) || defined(sparc) || defined(__hppa) || defined(PPC) || defined(__powerpc__) && !defined(i386) && !defined(__i386) && !defined(__i386__)
|
||
|
|
||
|
/* Big endian machines */
|
||
|
# define _PATCHKEY(id) (0xfd00|id)
|
||
|
# define AFMT_S16_NE AFMT_S16_BE
|
||
|
# define AFMT_U16_NE AFMT_U16_BE
|
||
|
# define AFMT_S32_NE AFMT_S32_BE
|
||
|
# define AFMT_S24_NE AFMT_S24_BE
|
||
|
# define AFMT_S16_OE AFMT_S16_LE
|
||
|
# define AFMT_S32_OE AFMT_S32_LE
|
||
|
# define AFMT_S24_OE AFMT_S24_LE
|
||
|
#else
|
||
|
# define _PATCHKEY(id) ((id<<8)|0xfd)
|
||
|
# define AFMT_S16_NE AFMT_S16_LE
|
||
|
# define AFMT_U16_NE AFMT_U16_LE
|
||
|
# define AFMT_S32_NE AFMT_S32_LE
|
||
|
# define AFMT_S24_NE AFMT_S24_LE
|
||
|
# define AFMT_S16_OE AFMT_S16_BE
|
||
|
# define AFMT_S32_OE AFMT_S32_BE
|
||
|
# define AFMT_S24_OE AFMT_S24_BE
|
||
|
#endif
|
||
|
/*
|
||
|
* Buffer status queries.
|
||
|
*/
|
||
|
typedef struct audio_buf_info
|
||
|
{
|
||
|
int fragments; /* # of available fragments (partially usend ones not counted) */
|
||
|
int fragstotal; /* Total # of fragments allocated */
|
||
|
int fragsize; /* Size of a fragment in bytes */
|
||
|
int bytes; /* Available space in bytes (includes partially used fragments) */
|
||
|
/* Note! 'bytes' could be more than fragments*fragsize */
|
||
|
} audio_buf_info;
|
||
|
|
||
|
#define SNDCTL_DSP_GETOSPACE __SIOR ('P',12, audio_buf_info)
|
||
|
#define SNDCTL_DSP_GETISPACE __SIOR ('P',13, audio_buf_info)
|
||
|
#define SNDCTL_DSP_GETCAPS __SIOR ('P',15, int)
|
||
|
# define PCM_CAP_REVISION 0x000000ff /* Bits for revision level (0 to 255) */
|
||
|
# define PCM_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */
|
||
|
# define PCM_CAP_REALTIME 0x00000200 /* Not in use */
|
||
|
# define PCM_CAP_BATCH 0x00000400 /* Device has some kind of */
|
||
|
/* internal buffers which may */
|
||
|
/* cause some delays and */
|
||
|
/* decrease precision of timing */
|
||
|
# define PCM_CAP_COPROC 0x00000800 /* Has a coprocessor */
|
||
|
/* Sometimes it's a DSP */
|
||
|
/* but usually not */
|
||
|
# define PCM_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */
|
||
|
# define PCM_CAP_MMAP 0x00002000 /* Supports mmap() */
|
||
|
# define PCM_CAP_MULTI 0x00004000 /* Supports multiple open */
|
||
|
# define PCM_CAP_BIND 0x00008000 /* Supports binding to front/rear/center/lfe */
|
||
|
# define PCM_CAP_INPUT 0x00010000 /* Supports recording */
|
||
|
# define PCM_CAP_OUTPUT 0x00020000 /* Supports playback */
|
||
|
# define PCM_CAP_VIRTUAL 0x00040000 /* Virtual device */
|
||
|
/* 0x00040000 and 0x00080000 reserved for future use */
|
||
|
|
||
|
/* Analog/digital control capabilities */
|
||
|
# define PCM_CAP_ANALOGOUT 0x00100000
|
||
|
# define PCM_CAP_ANALOGIN 0x00200000
|
||
|
# define PCM_CAP_DIGITALOUT 0x00400000
|
||
|
# define PCM_CAP_DIGITALIN 0x00800000
|
||
|
# define PCM_CAP_ADMASK 0x00f00000
|
||
|
/*
|
||
|
* NOTE! (capabilities & PCM_CAP_ADMASK)==0 means just that the
|
||
|
* digital/analog interface control features are not supported by the
|
||
|
* device/driver. However the device still supports analog, digital or
|
||
|
* both inputs/outputs (depending on the device). See the OSS Programmer's
|
||
|
* Guide for full details.
|
||
|
*/
|
||
|
# define PCM_CAP_SHADOW 0x01000000 /* "Shadow" device */
|
||
|
|
||
|
/*
|
||
|
* Preferred channel usage. These bits can be used to
|
||
|
* give recommendations to the application. Used by few drivers.
|
||
|
* For example if ((caps & DSP_CH_MASK) == DSP_CH_MONO) means that
|
||
|
* the device works best in mono mode. However it doesn't necessarily mean
|
||
|
* that the device cannot be used in stereo. These bits should only be used
|
||
|
* by special applications such as multi track hard disk recorders to find
|
||
|
* out the initial setup. However the user should be able to override this
|
||
|
* selection.
|
||
|
*
|
||
|
* To find out which modes are actually supported the application should
|
||
|
* try to select them using SNDCTL_DSP_CHANNELS.
|
||
|
*/
|
||
|
# define DSP_CH_MASK 0x06000000 /* Mask */
|
||
|
# define DSP_CH_ANY 0x00000000 /* No preferred mode */
|
||
|
# define DSP_CH_MONO 0x02000000
|
||
|
# define DSP_CH_STEREO 0x04000000
|
||
|
# define DSP_CH_MULTI 0x06000000 /* More than two channels */
|
||
|
|
||
|
# define PCM_CAP_HIDDEN 0x08000000 /* Hidden device */
|
||
|
# define PCM_CAP_FREERATE 0x10000000
|
||
|
# define PCM_CAP_MODEM 0x20000000 /* Modem device */
|
||
|
# define PCM_CAP_DEFAULT 0x40000000 /* "Default" device */
|
||
|
|
||
|
/*
|
||
|
* The PCM_CAP_* capability names were known as DSP_CAP_* prior OSS 4.0
|
||
|
* so it's necessary to define the older names too.
|
||
|
*/
|
||
|
#define DSP_CAP_ADMASK PCM_CAP_ADMASK
|
||
|
#define DSP_CAP_ANALOGIN PCM_CAP_ANALOGIN
|
||
|
#define DSP_CAP_ANALOGOUT PCM_CAP_ANALOGOUT
|
||
|
#define DSP_CAP_BATCH PCM_CAP_BATCH
|
||
|
#define DSP_CAP_BIND PCM_CAP_BIND
|
||
|
#define DSP_CAP_COPROC PCM_CAP_COPROC
|
||
|
#define DSP_CAP_DEFAULT PCM_CAP_DEFAULT
|
||
|
#define DSP_CAP_DIGITALIN PCM_CAP_DIGITALIN
|
||
|
#define DSP_CAP_DIGITALOUT PCM_CAP_DIGITALOUT
|
||
|
#define DSP_CAP_DUPLEX PCM_CAP_DUPLEX
|
||
|
#define DSP_CAP_FREERATE PCM_CAP_FREERATE
|
||
|
#define DSP_CAP_HIDDEN PCM_CAP_HIDDEN
|
||
|
#define DSP_CAP_INPUT PCM_CAP_INPUT
|
||
|
#define DSP_CAP_MMAP PCM_CAP_MMAP
|
||
|
#define DSP_CAP_MODEM PCM_CAP_MODEM
|
||
|
#define DSP_CAP_MULTI PCM_CAP_MULTI
|
||
|
#define DSP_CAP_OUTPUT PCM_CAP_OUTPUT
|
||
|
#define DSP_CAP_REALTIME PCM_CAP_REALTIME
|
||
|
#define DSP_CAP_REVISION PCM_CAP_REVISION
|
||
|
#define DSP_CAP_SHADOW PCM_CAP_SHADOW
|
||
|
#define DSP_CAP_TRIGGER PCM_CAP_TRIGGER
|
||
|
#define DSP_CAP_VIRTUAL PCM_CAP_VIRTUAL
|
||
|
|
||
|
#define SNDCTL_DSP_GETTRIGGER __SIOR ('P',16, int)
|
||
|
#define SNDCTL_DSP_SETTRIGGER __SIOW ('P',16, int)
|
||
|
# define PCM_ENABLE_INPUT 0x00000001
|
||
|
# define PCM_ENABLE_OUTPUT 0x00000002
|
||
|
|
||
|
typedef struct count_info
|
||
|
{
|
||
|
unsigned int bytes; /* Total # of bytes processed */
|
||
|
int blocks; /* # of fragment transitions since last time */
|
||
|
int ptr; /* Current DMA pointer value */
|
||
|
} count_info;
|
||
|
|
||
|
#define SNDCTL_DSP_GETIPTR __SIOR ('P',17, count_info)
|
||
|
#define SNDCTL_DSP_GETOPTR __SIOR ('P',18, count_info)
|
||
|
|
||
|
typedef struct buffmem_desc
|
||
|
{
|
||
|
unsigned *buffer;
|
||
|
int size;
|
||
|
} buffmem_desc;
|
||
|
#define SNDCTL_DSP_SETSYNCRO __SIO ('P', 21)
|
||
|
#define SNDCTL_DSP_SETDUPLEX __SIO ('P', 22)
|
||
|
|
||
|
#define SNDCTL_DSP_PROFILE __SIOW ('P', 23, int) /* OBSOLETE */
|
||
|
#define APF_NORMAL 0 /* Normal applications */
|
||
|
#define APF_NETWORK 1 /* Underruns probably caused by an "external" delay */
|
||
|
#define APF_CPUINTENS 2 /* Underruns probably caused by "overheating" the CPU */
|
||
|
|
||
|
#define SNDCTL_DSP_GETODELAY __SIOR ('P', 23, int)
|
||
|
|
||
|
typedef struct audio_errinfo
|
||
|
{
|
||
|
int play_underruns;
|
||
|
int rec_overruns;
|
||
|
unsigned int play_ptradjust;
|
||
|
unsigned int rec_ptradjust;
|
||
|
int play_errorcount;
|
||
|
int rec_errorcount;
|
||
|
int play_lasterror;
|
||
|
int rec_lasterror;
|
||
|
int play_errorparm;
|
||
|
int rec_errorparm;
|
||
|
int filler[16];
|
||
|
} audio_errinfo;
|
||
|
|
||
|
#define SNDCTL_DSP_GETPLAYVOL __SIOR ('P', 24, int)
|
||
|
#define SNDCTL_DSP_SETPLAYVOL __SIOWR('P', 24, int)
|
||
|
#define SNDCTL_DSP_GETERROR __SIOR ('P', 25, audio_errinfo)
|
||
|
/*
|
||
|
****************************************************************************
|
||
|
* Digital interface (S/PDIF) control interface
|
||
|
*/
|
||
|
|
||
|
typedef struct oss_digital_control
|
||
|
{
|
||
|
unsigned int caps;
|
||
|
#define DIG_CBITIN_NONE 0x00000000
|
||
|
#define DIG_CBITIN_LIMITED 0x00000001
|
||
|
#define DIG_CBITIN_DATA 0x00000002
|
||
|
#define DIG_CBITIN_BYTE0 0x00000004
|
||
|
#define DIG_CBITIN_FULL 0x00000008
|
||
|
#define DIG_CBITIN_MASK 0x0000000f
|
||
|
#define DIG_CBITOUT_NONE 0x00000000
|
||
|
#define DIG_CBITOUT_LIMITED 0x00000010
|
||
|
#define DIG_CBITOUT_BYTE0 0x00000020
|
||
|
#define DIG_CBITOUT_FULL 0x00000040
|
||
|
#define DIG_CBITOUT_DATA 0x00000080
|
||
|
#define DIG_CBITOUT_MASK 0x000000f0
|
||
|
#define DIG_UBITIN 0x00000100
|
||
|
#define DIG_UBITOUT 0x00000200
|
||
|
#define DIG_VBITOUT 0x00000400
|
||
|
#define DIG_OUTRATE 0x00000800
|
||
|
#define DIG_INRATE 0x00001000
|
||
|
#define DIG_INBITS 0x00002000
|
||
|
#define DIG_OUTBITS 0x00004000
|
||
|
#define DIG_EXACT 0x00010000
|
||
|
#define DIG_PRO 0x00020000
|
||
|
#define DIG_CONSUMER 0x00040000
|
||
|
#define DIG_PASSTHROUGH 0x00080000
|
||
|
#define DIG_OUTSEL 0x00100000
|
||
|
|
||
|
unsigned int valid;
|
||
|
#define VAL_CBITIN 0x00000001
|
||
|
#define VAL_UBITIN 0x00000002
|
||
|
#define VAL_CBITOUT 0x00000004
|
||
|
#define VAL_UBITOUT 0x00000008
|
||
|
#define VAL_ISTATUS 0x00000010
|
||
|
#define VAL_IRATE 0x00000020
|
||
|
#define VAL_ORATE 0x00000040
|
||
|
#define VAL_INBITS 0x00000080
|
||
|
#define VAL_OUTBITS 0x00000100
|
||
|
#define VAL_REQUEST 0x00000200
|
||
|
#define VAL_OUTSEL 0x00000400
|
||
|
|
||
|
#define VAL_OUTMASK (VAL_CBITOUT|VAL_UBITOUT|VAL_ORATE|VAL_OUTBITS|VAL_OUTSEL)
|
||
|
|
||
|
unsigned int request, param;
|
||
|
#define SPD_RQ_PASSTHROUGH 1
|
||
|
|
||
|
unsigned char cbitin[24];
|
||
|
unsigned char ubitin[24];
|
||
|
unsigned char cbitout[24];
|
||
|
unsigned char ubitout[24];
|
||
|
|
||
|
unsigned int outsel;
|
||
|
#define OUTSEL_DIGITAL 1
|
||
|
#define OUTSEL_ANALOG 2
|
||
|
#define OUTSEL_BOTH (OUTSEL_DIGITAL|OUTSEL_ANALOG)
|
||
|
|
||
|
int in_data; /* Audio/data if autodetectable by the receiver */
|
||
|
#define IND_UNKNOWN 0
|
||
|
#define IND_AUDIO 1
|
||
|
#define IND_DATA 2
|
||
|
|
||
|
int in_locked; /* Receiver locked */
|
||
|
#define LOCK_NOT_INDICATED 0
|
||
|
#define LOCK_UNLOCKED 1
|
||
|
#define LOCK_LOCKED 2
|
||
|
|
||
|
int in_quality; /* Input signal quality */
|
||
|
#define IN_QUAL_NOT_INDICATED 0
|
||
|
#define IN_QUAL_POOR 1
|
||
|
#define IN_QUAL_GOOD 2
|
||
|
|
||
|
int in_vbit, out_vbit; /* V bits */
|
||
|
#define VBIT_NOT_INDICATED 0
|
||
|
#define VBIT_OFF 1
|
||
|
#define VBIT_ON 2
|
||
|
|
||
|
unsigned int in_errors; /* Various input error conditions */
|
||
|
#define INERR_CRC 0x0001
|
||
|
#define INERR_QCODE_CRC 0x0002
|
||
|
#define INERR_PARITY 0x0004
|
||
|
#define INERR_BIPHASE 0x0008
|
||
|
|
||
|
int srate_in, srate_out;
|
||
|
int bits_in, bits_out;
|
||
|
|
||
|
int filler[32];
|
||
|
} oss_digital_control;
|
||
|
|
||
|
#define SNDCTL_DSP_READCTL __SIOWR('P', 26, oss_digital_control)
|
||
|
#define SNDCTL_DSP_WRITECTL __SIOWR('P', 27, oss_digital_control)
|
||
|
|
||
|
/*
|
||
|
****************************************************************************
|
||
|
* Sync groups for audio devices
|
||
|
*/
|
||
|
typedef struct oss_syncgroup
|
||
|
{
|
||
|
int id;
|
||
|
int mode;
|
||
|
int filler[16];
|
||
|
} oss_syncgroup;
|
||
|
|
||
|
#define SNDCTL_DSP_SYNCGROUP __SIOWR('P', 28, oss_syncgroup)
|
||
|
#define SNDCTL_DSP_SYNCSTART __SIOW ('P', 29, int)
|
||
|
|
||
|
/*
|
||
|
**************************************************************************
|
||
|
* "cooked" mode enables software based conversions for sample rate, sample
|
||
|
* format (bits) and number of channels (mono/stereo). These conversions are
|
||
|
* required with some devices that support only one sample rate or just stereo
|
||
|
* to let the applications to use other formats. The cooked mode is enabled by
|
||
|
* default. However it's necessary to disable this mode when mmap() is used or
|
||
|
* when very deterministic timing is required. SNDCTL_DSP_COOKEDMODE is an
|
||
|
* optional call introduced in OSS 3.9.6f. It's _error return must be ignored_
|
||
|
* since normally this call will return erno=EINVAL.
|
||
|
*
|
||
|
* SNDCTL_DSP_COOKEDMODE must be called immediately after open before doing
|
||
|
* anything else. Otherwise the call will not have any effect.
|
||
|
*/
|
||
|
#define SNDCTL_DSP_COOKEDMODE __SIOW ('P', 30, int)
|
||
|
|
||
|
/*
|
||
|
**************************************************************************
|
||
|
* SNDCTL_DSP_SILENCE and SNDCTL_DSP_SKIP are new calls in OSS 3.99.0
|
||
|
* that can be used to implement pause/continue during playback (no effect
|
||
|
* on recording).
|
||
|
*/
|
||
|
#define SNDCTL_DSP_SILENCE __SIO ('P', 31)
|
||
|
#define SNDCTL_DSP_SKIP __SIO ('P', 32)
|
||
|
/*
|
||
|
****************************************************************************
|
||
|
* Abort transfer (reset) functions for input and output
|
||
|
*/
|
||
|
#define SNDCTL_DSP_HALT_INPUT __SIO ('P', 33)
|
||
|
#define SNDCTL_DSP_RESET_INPUT SNDCTL_DSP_HALT_INPUT /* Old name */
|
||
|
#define SNDCTL_DSP_HALT_OUTPUT __SIO ('P', 34)
|
||
|
#define SNDCTL_DSP_RESET_OUTPUT SNDCTL_DSP_HALT_OUTPUT /* Old name */
|
||
|
/*
|
||
|
****************************************************************************
|
||
|
* Low water level control
|
||
|
*/
|
||
|
#define SNDCTL_DSP_LOW_WATER __SIOW ('P', 34, int)
|
||
|
|
||
|
/*
|
||
|
****************************************************************************
|
||
|
* 64 bit pointer support. Only available in environments that support
|
||
|
* the 64 bit (long long) integer type.
|
||
|
*/
|
||
|
#ifndef OSS_NO_LONG_LONG
|
||
|
typedef struct
|
||
|
{
|
||
|
long long samples;
|
||
|
int fifo_samples;
|
||
|
int filler[32]; /* For future use */
|
||
|
} oss_count_t;
|
||
|
|
||
|
#define SNDCTL_DSP_CURRENT_IPTR __SIOR ('P', 35, oss_count_t)
|
||
|
#define SNDCTL_DSP_CURRENT_OPTR __SIOR ('P', 36, oss_count_t)
|
||
|
#endif
|
||
|
|
||
|
/*
|
||
|
****************************************************************************
|
||
|
* Interface for selecting recording sources and playback output routings.
|
||
|
*/
|
||
|
#define SNDCTL_DSP_GET_RECSRC_NAMES __SIOR ('P', 37, oss_mixer_enuminfo)
|
||
|
#define SNDCTL_DSP_GET_RECSRC __SIOR ('P', 38, int)
|
||
|
#define SNDCTL_DSP_SET_RECSRC __SIOWR('P', 38, int)
|
||
|
|
||
|
#define SNDCTL_DSP_GET_PLAYTGT_NAMES __SIOR ('P', 39, oss_mixer_enuminfo)
|
||
|
#define SNDCTL_DSP_GET_PLAYTGT __SIOR ('P', 40, int)
|
||
|
#define SNDCTL_DSP_SET_PLAYTGT __SIOWR('P', 40, int)
|
||
|
#define SNDCTL_DSP_GETRECVOL __SIOR ('P', 41, int)
|
||
|
#define SNDCTL_DSP_SETRECVOL __SIOWR('P', 41, int)
|
||
|
|
||
|
/*
|
||
|
***************************************************************************
|
||
|
* Some calls for setting the channel assignment with multi channel devices
|
||
|
* (see the manual for details).
|
||
|
*/
|
||
|
#ifndef OSS_NO_LONG_LONG
|
||
|
#define SNDCTL_DSP_GET_CHNORDER __SIOR ('P', 42, unsigned long long)
|
||
|
#define SNDCTL_DSP_SET_CHNORDER __SIOWR('P', 42, unsigned long long)
|
||
|
# define CHID_UNDEF 0
|
||
|
# define CHID_L 1
|
||
|
# define CHID_R 2
|
||
|
# define CHID_C 3
|
||
|
# define CHID_LFE 4
|
||
|
# define CHID_LS 5
|
||
|
# define CHID_RS 6
|
||
|
# define CHID_LR 7
|
||
|
# define CHID_RR 8
|
||
|
#define CHNORDER_UNDEF 0x0000000000000000ULL
|
||
|
#define CHNORDER_NORMAL 0x0000000087654321ULL
|
||
|
#endif
|
||
|
|
||
|
#define MAX_PEAK_CHANNELS 128
|
||
|
typedef unsigned short oss_peaks_t[MAX_PEAK_CHANNELS];
|
||
|
#define SNDCTL_DSP_GETIPEAKS __SIOR('P', 43, oss_peaks_t)
|
||
|
#define SNDCTL_DSP_GETOPEAKS __SIOR('P', 44, oss_peaks_t)
|
||
|
|
||
|
#define SNDCTL_DSP_POLICY __SIOW('P', 45, int) /* See the manual */
|
||
|
|
||
|
/*
|
||
|
****************************************************************************
|
||
|
* Few ioctl calls that are not official parts of OSS. They have been used
|
||
|
* by few freeware implementations of OSS.
|
||
|
*/
|
||
|
#define SNDCTL_DSP_GETCHANNELMASK __SIOWR('P', 64, int)
|
||
|
#define SNDCTL_DSP_BIND_CHANNEL __SIOWR('P', 65, int)
|
||
|
# define DSP_BIND_QUERY 0x00000000
|
||
|
# define DSP_BIND_FRONT 0x00000001
|
||
|
# define DSP_BIND_SURR 0x00000002
|
||
|
# define DSP_BIND_CENTER_LFE 0x00000004
|
||
|
# define DSP_BIND_HANDSET 0x00000008
|
||
|
# define DSP_BIND_MIC 0x00000010
|
||
|
# define DSP_BIND_MODEM1 0x00000020
|
||
|
# define DSP_BIND_MODEM2 0x00000040
|
||
|
# define DSP_BIND_I2S 0x00000080
|
||
|
# define DSP_BIND_SPDIF 0x00000100
|
||
|
# define DSP_BIND_REAR 0x00000200
|
||
|
|
||
|
#ifndef NO_LEGACY_MIXER
|
||
|
/*
|
||
|
****************************************************************************
|
||
|
* IOCTL commands for the "legacy " /dev/mixer API (obsolete)
|
||
|
*
|
||
|
* Mixer controls
|
||
|
*
|
||
|
* There can be up to 20 different analog mixer channels. The
|
||
|
* SOUND_MIXER_NRDEVICES gives the currently supported maximum.
|
||
|
* The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells
|
||
|
* the devices supported by the particular mixer.
|
||
|
*
|
||
|
* {!notice This "legacy" mixer API is obsolete. It has been superceded
|
||
|
* by a new one (see below).
|
||
|
*/
|
||
|
|
||
|
#define SOUND_MIXER_NRDEVICES 28
|
||
|
#define SOUND_MIXER_VOLUME 0
|
||
|
#define SOUND_MIXER_BASS 1
|
||
|
#define SOUND_MIXER_TREBLE 2
|
||
|
#define SOUND_MIXER_SYNTH 3
|
||
|
#define SOUND_MIXER_PCM 4
|
||
|
#define SOUND_MIXER_SPEAKER 5
|
||
|
#define SOUND_MIXER_LINE 6
|
||
|
#define SOUND_MIXER_MIC 7
|
||
|
#define SOUND_MIXER_CD 8
|
||
|
#define SOUND_MIXER_IMIX 9 /* Recording monitor */
|
||
|
#define SOUND_MIXER_ALTPCM 10
|
||
|
#define SOUND_MIXER_RECLEV 11 /* Recording level */
|
||
|
#define SOUND_MIXER_IGAIN 12 /* Input gain */
|
||
|
#define SOUND_MIXER_OGAIN 13 /* Output gain */
|
||
|
/*
|
||
|
* Some soundcards have three line level inputs (line, aux1 and aux2).
|
||
|
* Since each card manufacturer has assigned different meanings to
|
||
|
* these inputs, it's impractical to assign specific meanings
|
||
|
* (eg line, cd, synth etc.) to them.
|
||
|
*/
|
||
|
#define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */
|
||
|
#define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */
|
||
|
#define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */
|
||
|
#define SOUND_MIXER_DIGITAL1 17 /* Digital I/O 1 */
|
||
|
#define SOUND_MIXER_DIGITAL2 18 /* Digital I/O 2 */
|
||
|
#define SOUND_MIXER_DIGITAL3 19 /* Digital I/O 3 */
|
||
|
#define SOUND_MIXER_PHONE 20 /* Phone */
|
||
|
#define SOUND_MIXER_MONO 21 /* Mono Output */
|
||
|
#define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */
|
||
|
#define SOUND_MIXER_RADIO 23 /* Radio in */
|
||
|
#define SOUND_MIXER_DEPTH 24 /* Surround depth */
|
||
|
#define SOUND_MIXER_REARVOL 25 /* Rear/Surround speaker vol */
|
||
|
#define SOUND_MIXER_CENTERVOL 26 /* Center/LFE speaker vol */
|
||
|
#define SOUND_MIXER_SIDEVOL 27 /* Side-Surround (8speaker) vol */
|
||
|
|
||
|
/*
|
||
|
* Warning: SOUND_MIXER_SURRVOL is an old name of SOUND_MIXER_SIDEVOL.
|
||
|
* They are both assigned to the same mixer control. Don't
|
||
|
* use both control names in the same program/driver.
|
||
|
*/
|
||
|
#define SOUND_MIXER_SURRVOL SOUND_MIXER_SIDEVOL
|
||
|
|
||
|
/* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */
|
||
|
/* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */
|
||
|
#define SOUND_ONOFF_MIN 28
|
||
|
#define SOUND_ONOFF_MAX 30
|
||
|
|
||
|
/* Note! Number 31 cannot be used since the sign bit is reserved */
|
||
|
#define SOUND_MIXER_NONE 31
|
||
|
|
||
|
/*
|
||
|
* The following unsupported macros are no longer functional.
|
||
|
* Use SOUND_MIXER_PRIVATE# macros in future.
|
||
|
*/
|
||
|
#define SOUND_MIXER_ENHANCE SOUND_MIXER_NONE
|
||
|
#define SOUND_MIXER_MUTE SOUND_MIXER_NONE
|
||
|
#define SOUND_MIXER_LOUD SOUND_MIXER_NONE
|
||
|
|
||
|
#define SOUND_DEVICE_LABELS \
|
||
|
{"Vol ", "Bass ", "Treble", "Synth", "Pcm ", "Speaker ", "Line ", \
|
||
|
"Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \
|
||
|
"Aux1", "Aux2", "Aux3", "Digital1", "Digital2", "Digital3", \
|
||
|
"Phone", "Mono", "Video", "Radio", "Depth", \
|
||
|
"Rear", "Center", "Side"}
|
||
|
|
||
|
#define SOUND_DEVICE_NAMES \
|
||
|
{"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
|
||
|
"mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
|
||
|
"aux1", "aux2", "aux3", "dig1", "dig2", "dig3", \
|
||
|
"phone", "mono", "video", "radio", "depth", \
|
||
|
"rear", "center", "side"}
|
||
|
|
||
|
/* Device bitmask identifiers */
|
||
|
|
||
|
#define SOUND_MIXER_RECSRC 0xff /* Arg contains a bit for each recording source */
|
||
|
#define SOUND_MIXER_DEVMASK 0xfe /* Arg contains a bit for each supported device */
|
||
|
#define SOUND_MIXER_RECMASK 0xfd /* Arg contains a bit for each supported recording source */
|
||
|
#define SOUND_MIXER_CAPS 0xfc
|
||
|
# define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only one recording source at a time */
|
||
|
# define SOUND_CAP_NOLEGACY 0x00000004 /* For internal use only */
|
||
|
# define SOUND_CAP_NORECSRC 0x00000008
|
||
|
#define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */
|
||
|
|
||
|
/* OSS/Free ONLY */
|
||
|
#define SOUND_MIXER_OUTSRC 0xfa /* Arg contains a bit for each input source to output */
|
||
|
#define SOUND_MIXER_OUTMASK 0xf9 /* Arg contains a bit for each supported input source to output */
|
||
|
/* OSS/Free ONLY */
|
||
|
|
||
|
/* Device mask bits */
|
||
|
|
||
|
#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME)
|
||
|
#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS)
|
||
|
#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE)
|
||
|
#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH)
|
||
|
#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM)
|
||
|
#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER)
|
||
|
#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE)
|
||
|
#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC)
|
||
|
#define SOUND_MASK_CD (1 << SOUND_MIXER_CD)
|
||
|
#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX)
|
||
|
#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM)
|
||
|
#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV)
|
||
|
#define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN)
|
||
|
#define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN)
|
||
|
#define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1)
|
||
|
#define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2)
|
||
|
#define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3)
|
||
|
#define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1)
|
||
|
#define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2)
|
||
|
#define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3)
|
||
|
#define SOUND_MASK_MONO (1 << SOUND_MIXER_MONO)
|
||
|
#define SOUND_MASK_PHONE (1 << SOUND_MIXER_PHONE)
|
||
|
#define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO)
|
||
|
#define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO)
|
||
|
#define SOUND_MASK_DEPTH (1 << SOUND_MIXER_DEPTH)
|
||
|
#define SOUND_MASK_REARVOL (1 << SOUND_MIXER_REARVOL)
|
||
|
#define SOUND_MASK_CENTERVOL (1 << SOUND_MIXER_CENTERVOL)
|
||
|
#define SOUND_MASK_SIDEVOL (1 << SOUND_MIXER_SIDEVOL)
|
||
|
|
||
|
/* Note! SOUND_MASK_SURRVOL is alias of SOUND_MASK_SIDEVOL */
|
||
|
#define SOUND_MASK_SURRVOL (1 << SOUND_MIXER_SIDEVOL)
|
||
|
|
||
|
/* Obsolete macros */
|
||
|
#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE)
|
||
|
#define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE)
|
||
|
#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD)
|
||
|
|
||
|
#define MIXER_READ(dev) __SIOR('M', dev, int)
|
||
|
#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME)
|
||
|
#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS)
|
||
|
#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE)
|
||
|
#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH)
|
||
|
#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM)
|
||
|
#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER)
|
||
|
#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE)
|
||
|
#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC)
|
||
|
#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD)
|
||
|
#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX)
|
||
|
#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM)
|
||
|
#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV)
|
||
|
#define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN)
|
||
|
#define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN)
|
||
|
#define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1)
|
||
|
#define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2)
|
||
|
#define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3)
|
||
|
|
||
|
/* Obsolete macros */
|
||
|
#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE)
|
||
|
#define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE)
|
||
|
#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD)
|
||
|
|
||
|
#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC)
|
||
|
#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK)
|
||
|
#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK)
|
||
|
#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS)
|
||
|
#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS)
|
||
|
|
||
|
#define MIXER_WRITE(dev) __SIOWR('M', dev, int)
|
||
|
#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME)
|
||
|
#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS)
|
||
|
#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE)
|
||
|
#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH)
|
||
|
#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM)
|
||
|
#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER)
|
||
|
#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE)
|
||
|
#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC)
|
||
|
#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD)
|
||
|
#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX)
|
||
|
#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM)
|
||
|
#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV)
|
||
|
#define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN)
|
||
|
#define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN)
|
||
|
#define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1)
|
||
|
#define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2)
|
||
|
#define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3)
|
||
|
|
||
|
/* Obsolete macros */
|
||
|
#define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE)
|
||
|
#define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE)
|
||
|
#define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD)
|
||
|
|
||
|
#define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC)
|
||
|
|
||
|
typedef struct mixer_info /* OBSOLETE */
|
||
|
{
|
||
|
char id[16];
|
||
|
char name[32];
|
||
|
int modify_counter;
|
||
|
int card_number;
|
||
|
int port_number;
|
||
|
char handle[32];
|
||
|
} mixer_info;
|
||
|
|
||
|
/* SOUND_MIXER_INFO is obsolete - use SNDCTL_MIXERINFO instead */
|
||
|
#define SOUND_MIXER_INFO __SIOR ('M', 101, mixer_info)
|
||
|
|
||
|
/*
|
||
|
* Two ioctls for special souncard function (OSS/Free only)
|
||
|
*/
|
||
|
#define SOUND_MIXER_AGC _SIOWR('M', 103, int)
|
||
|
#define SOUND_MIXER_3DSE _SIOWR('M', 104, int)
|
||
|
/*
|
||
|
* The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers.
|
||
|
* These features can be used when accessing device specific features.
|
||
|
*/
|
||
|
#define SOUND_MIXER_PRIVATE1 __SIOWR('M', 111, int)
|
||
|
#define SOUND_MIXER_PRIVATE2 __SIOWR('M', 112, int)
|
||
|
#define SOUND_MIXER_PRIVATE3 __SIOWR('M', 113, int)
|
||
|
#define SOUND_MIXER_PRIVATE4 __SIOWR('M', 114, int)
|
||
|
#define SOUND_MIXER_PRIVATE5 __SIOWR('M', 115, int)
|
||
|
|
||
|
/* The following two controls were never implemented and they should not be used. */
|
||
|
#define SOUND_MIXER_READ_MAINVOL __SIOR ('M', 116, int)
|
||
|
#define SOUND_MIXER_WRITE_MAINVOL __SIOWR('M', 116, int)
|
||
|
|
||
|
/*
|
||
|
* SOUND_MIXER_GETLEVELS and SOUND_MIXER_SETLEVELS calls can be used
|
||
|
* for querying current mixer settings from the driver and for loading
|
||
|
* default volume settings _prior_ activating the mixer (loading
|
||
|
* doesn't affect current state of the mixer hardware). These calls
|
||
|
* are for internal use by the driver software only.
|
||
|
*/
|
||
|
|
||
|
typedef struct mixer_vol_table
|
||
|
{
|
||
|
int num; /* Index to volume table */
|
||
|
char name[32];
|
||
|
int levels[32];
|
||
|
} mixer_vol_table;
|
||
|
|
||
|
#define SOUND_MIXER_GETLEVELS __SIOWR('M', 116, mixer_vol_table)
|
||
|
#define SOUND_MIXER_SETLEVELS __SIOWR('M', 117, mixer_vol_table)
|
||
|
|
||
|
#define OSS_GETVERSION __SIOR ('M', 118, int)
|
||
|
|
||
|
/*
|
||
|
* Calls to set/get the recording gain for the currently active
|
||
|
* recording source. These calls automatically map to the right control.
|
||
|
* Note that these calls are not supported by all drivers. In this case
|
||
|
* the call will return -1 with errno set to EINVAL
|
||
|
*
|
||
|
* The _MONGAIN work in similar way but set/get the monitoring gain for
|
||
|
* the currently selected recording source.
|
||
|
*/
|
||
|
#define SOUND_MIXER_READ_RECGAIN __SIOR ('M', 119, int)
|
||
|
#define SOUND_MIXER_WRITE_RECGAIN __SIOWR('M', 119, int)
|
||
|
#define SOUND_MIXER_READ_MONGAIN __SIOR ('M', 120, int)
|
||
|
#define SOUND_MIXER_WRITE_MONGAIN __SIOWR('M', 120, int)
|
||
|
|
||
|
/* The following call is for driver development time purposes. It's not
|
||
|
* present in any released drivers.
|
||
|
*/
|
||
|
typedef unsigned char oss_reserved_t[512];
|
||
|
#define SOUND_MIXER_RESERVED __SIOWR('M', 121, oss_reserved_t)
|
||
|
#endif /* ifndef NO_LEGACY_MIXER */
|
||
|
|
||
|
/*
|
||
|
*************************************************************************
|
||
|
* The "new" mixer API of OSS 4.0 and later.
|
||
|
*
|
||
|
* This improved mixer API makes it possible to access every possible feature
|
||
|
* of every possible device. However you should read the mixer programming
|
||
|
* section of the OSS API Developer's Manual. There is no chance that you
|
||
|
* could use this interface correctly just by examining this header.
|
||
|
*/
|
||
|
|
||
|
typedef struct oss_sysinfo
|
||
|
{
|
||
|
char product[32]; /* For example OSS/Free, OSS/Linux or OSS/Solaris */
|
||
|
char version[32]; /* For example 4.0a */
|
||
|
int versionnum; /* See OSS_GETVERSION */
|
||
|
char options[128]; /* Reserved */
|
||
|
|
||
|
int numaudios; /* # of audio/dsp devices */
|
||
|
int openedaudio[8]; /* Bit mask telling which audio devices are busy */
|
||
|
|
||
|
int numsynths; /* # of availavle synth devices */
|
||
|
int nummidis; /* # of available MIDI ports */
|
||
|
int numtimers; /* # of available timer devices */
|
||
|
int nummixers; /* # of mixer devices */
|
||
|
|
||
|
int openedmidi[8]; /* Bit mask telling which midi devices are busy */
|
||
|
int numcards; /* Number of sound cards in the system */
|
||
|
int numaudioengines; /* Number of audio engines in the system */
|
||
|
char license[16]; /* For example "GPL" or "CDDL" */
|
||
|
int filler[236]; /* For future expansion (set to -1) */
|
||
|
} oss_sysinfo;
|
||
|
|
||
|
typedef struct oss_mixext
|
||
|
{
|
||
|
int dev; /* Mixer device number */
|
||
|
int ctrl; /* Controller number */
|
||
|
int type; /* Entry type */
|
||
|
# define MIXT_DEVROOT 0 /* Device root entry */
|
||
|
# define MIXT_GROUP 1 /* Controller group */
|
||
|
# define MIXT_ONOFF 2 /* OFF (0) or ON (1) */
|
||
|
# define MIXT_ENUM 3 /* Enumerated (0 to maxvalue) */
|
||
|
# define MIXT_MONOSLIDER 4 /* Mono slider (0 to 255) */
|
||
|
# define MIXT_STEREOSLIDER 5 /* Stereo slider (dual 0 to 255) */
|
||
|
# define MIXT_MESSAGE 6 /* (Readable) textual message */
|
||
|
# define MIXT_MONOVU 7 /* VU meter value (mono) */
|
||
|
# define MIXT_STEREOVU 8 /* VU meter value (stereo) */
|
||
|
# define MIXT_MONOPEAK 9 /* VU meter peak value (mono) */
|
||
|
# define MIXT_STEREOPEAK 10 /* VU meter peak value (stereo) */
|
||
|
# define MIXT_RADIOGROUP 11 /* Radio button group */
|
||
|
# define MIXT_MARKER 12 /* Separator between normal and extension entries */
|
||
|
# define MIXT_VALUE 13 /* Decimal value entry */
|
||
|
# define MIXT_HEXVALUE 14 /* Hexadecimal value entry */
|
||
|
# define MIXT_MONODB 15 /* OBSOLETE */
|
||
|
# define MIXT_STEREODB 16 /* OBSOLETE */
|
||
|
# define MIXT_SLIDER 17 /* Slider (mono) with full (31 bit) postitive integer range */
|
||
|
# define MIXT_3D 18
|
||
|
|
||
|
/*
|
||
|
* Sliders with range expanded to 15 bits per channel (0-32767)
|
||
|
*/
|
||
|
# define MIXT_MONOSLIDER16 19
|
||
|
# define MIXT_STEREOSLIDER16 20
|
||
|
|
||
|
/* Possible value range (minvalue to maxvalue) */
|
||
|
/* Note that maxvalue may also be smaller than minvalue */
|
||
|
int maxvalue;
|
||
|
int minvalue;
|
||
|
|
||
|
int flags;
|
||
|
# define MIXF_READABLE 0x00000001 /* Has readable value */
|
||
|
# define MIXF_WRITEABLE 0x00000002 /* Has writeable value */
|
||
|
# define MIXF_POLL 0x00000004 /* May change itself */
|
||
|
# define MIXF_HZ 0x00000008 /* Herz scale */
|
||
|
# define MIXF_STRING 0x00000010 /* Use dynamic extensions for value */
|
||
|
# define MIXF_DYNAMIC 0x00000010 /* Supports dynamic extensions */
|
||
|
# define MIXF_OKFAIL 0x00000020 /* Interpret value as 1=OK, 0=FAIL */
|
||
|
# define MIXF_FLAT 0x00000040 /* Flat vertical space requirements */
|
||
|
# define MIXF_LEGACY 0x00000080 /* Legacy mixer control group */
|
||
|
# define MIXF_CENTIBEL 0x00000100 /* Centibel (0.1 dB) step size */
|
||
|
# define MIXF_DECIBEL 0x00000200 /* Step size of 1 dB */
|
||
|
# define MIXF_MAINVOL 0x00000400 /* Main volume control */
|
||
|
# define MIXF_PCMVOL 0x00000800 /* PCM output volume control */
|
||
|
# define MIXF_RECVOL 0x00001000 /* PCM recording volume control */
|
||
|
char id[16]; /* Mnemonic ID (mainly for internal use) */
|
||
|
int parent; /* Entry# of parent (group) node (-1 if root) */
|
||
|
|
||
|
int dummy; /* Internal use */
|
||
|
|
||
|
int timestamp;
|
||
|
|
||
|
char data[64]; /* Misc data (entry type dependent) */
|
||
|
unsigned char enum_present[32]; /* Mask of allowed enum values */
|
||
|
int control_no; /* SOUND_MIXER_VOLUME..SOUND_MIXER_MIDI */
|
||
|
/* (-1 means not indicated) */
|
||
|
|
||
|
/*
|
||
|
* The desc field is reserved for internal purposes of OSS. It should not be
|
||
|
* used by applications.
|
||
|
*/
|
||
|
unsigned int desc;
|
||
|
#define MIXEXT_SCOPE_MASK 0x0000003f
|
||
|
#define MIXEXT_SCOPE_OTHER 0x00000000
|
||
|
#define MIXEXT_SCOPE_INPUT 0x00000001
|
||
|
#define MIXEXT_SCOPE_OUTPUT 0x00000002
|
||
|
#define MIXEXT_SCOPE_MONITOR 0x00000003
|
||
|
#define MIXEXT_SCOPE_RECSWITCH 0x00000004
|
||
|
|
||
|
char extname[32];
|
||
|
int update_counter;
|
||
|
int filler[7];
|
||
|
} oss_mixext;
|
||
|
|
||
|
typedef struct oss_mixext_root
|
||
|
{
|
||
|
char id[16];
|
||
|
char name[48];
|
||
|
} oss_mixext_root;
|
||
|
|
||
|
typedef struct oss_mixer_value
|
||
|
{
|
||
|
int dev;
|
||
|
int ctrl;
|
||
|
int value;
|
||
|
int flags; /* Reserved for future use. Initialize to 0 */
|
||
|
int timestamp; /* Must be set to oss_mixext.timestamp */
|
||
|
int filler[8]; /* Reserved for future use. Initialize to 0 */
|
||
|
} oss_mixer_value;
|
||
|
|
||
|
#define OSS_ENUM_MAXVALUE 255
|
||
|
typedef struct oss_mixer_enuminfo
|
||
|
{
|
||
|
int dev;
|
||
|
int ctrl;
|
||
|
int nvalues;
|
||
|
int version; /* Read the manual */
|
||
|
short strindex[OSS_ENUM_MAXVALUE];
|
||
|
char strings[3000];
|
||
|
} oss_mixer_enuminfo;
|
||
|
|
||
|
#define OPEN_READ PCM_ENABLE_INPUT
|
||
|
#define OPEN_WRITE PCM_ENABLE_OUTPUT
|
||
|
#define OPEN_READWRITE (OPEN_READ|OPEN_WRITE)
|
||
|
|
||
|
typedef struct oss_audioinfo
|
||
|
{
|
||
|
int dev; /* Audio device number */
|
||
|
char name[64];
|
||
|
int busy; /* 0, OPEN_READ, OPEN_WRITE or OPEN_READWRITE */
|
||
|
int pid;
|
||
|
int caps; /* PCM_CAP_INPUT, PCM_CAP_OUTPUT */
|
||
|
int iformats, oformats;
|
||
|
int magic; /* Reserved for internal use */
|
||
|
char cmd[64]; /* Command using the device (if known) */
|
||
|
int card_number;
|
||
|
int port_number;
|
||
|
int mixer_dev;
|
||
|
int legacy_device; /* Obsolete field. Replaced by devnode */
|
||
|
int enabled; /* 1=enabled, 0=device not ready at this moment */
|
||
|
int flags; /* For internal use only - no practical meaning */
|
||
|
int min_rate, max_rate; /* Sample rate limits */
|
||
|
int min_channels, max_channels; /* Number of channels supported */
|
||
|
int binding; /* DSP_BIND_FRONT, etc. 0 means undefined */
|
||
|
int rate_source;
|
||
|
char handle[32];
|
||
|
#define OSS_MAX_SAMPLE_RATES 20 /* Cannot be changed */
|
||
|
unsigned int nrates, rates[OSS_MAX_SAMPLE_RATES]; /* Please read the manual before using these */
|
||
|
oss_longname_t song_name; /* Song name (if given) */
|
||
|
oss_label_t label; /* Device label (if given) */
|
||
|
int latency; /* In usecs, -1=unknown */
|
||
|
oss_devnode_t devnode; /* Device special file name (absolute path) */
|
||
|
int next_play_engine; /* Read the documentation for more info */
|
||
|
int next_rec_engine; /* Read the documentation for more info */
|
||
|
int filler[184];
|
||
|
} oss_audioinfo;
|
||
|
|
||
|
typedef struct oss_mixerinfo
|
||
|
{
|
||
|
int dev;
|
||
|
char id[16];
|
||
|
char name[32];
|
||
|
int modify_counter;
|
||
|
int card_number;
|
||
|
int port_number;
|
||
|
char handle[32];
|
||
|
int magic; /* Reserved */
|
||
|
int enabled; /* Reserved */
|
||
|
int caps;
|
||
|
#define MIXER_CAP_VIRTUAL 0x00000001
|
||
|
#define MIXER_CAP_LAYOUT_B 0x00000002 /* For internal use only */
|
||
|
#define MIXER_CAP_NARROW 0x00000004 /* Conserve horiz space */
|
||
|
int flags; /* Reserved */
|
||
|
int nrext;
|
||
|
/*
|
||
|
* The priority field can be used to select the default (motherboard)
|
||
|
* mixer device. The mixer with the highest priority is the
|
||
|
* most preferred one. -2 or less means that this device cannot be used
|
||
|
* as the default mixer.
|
||
|
*/
|
||
|
int priority;
|
||
|
oss_devnode_t devnode; /* Device special file name (absolute path) */
|
||
|
int legacy_device;
|
||
|
int filler[245]; /* Reserved */
|
||
|
} oss_mixerinfo;
|
||
|
|
||
|
typedef struct oss_midi_info
|
||
|
{
|
||
|
int dev; /* Midi device number */
|
||
|
char name[64];
|
||
|
int busy; /* 0, OPEN_READ, OPEN_WRITE or OPEN_READWRITE */
|
||
|
int pid;
|
||
|
char cmd[64]; /* Command using the device (if known) */
|
||
|
int caps;
|
||
|
#define MIDI_CAP_MPU401 0x00000001 /**** OBSOLETE ****/
|
||
|
#define MIDI_CAP_INPUT 0x00000002
|
||
|
#define MIDI_CAP_OUTPUT 0x00000004
|
||
|
#define MIDI_CAP_INOUT (MIDI_CAP_INPUT|MIDI_CAP_OUTPUT)
|
||
|
#define MIDI_CAP_VIRTUAL 0x00000008 /* Pseudo device */
|
||
|
#define MIDI_CAP_MTCINPUT 0x00000010 /* Supports SNDCTL_MIDI_MTCINPUT */
|
||
|
#define MIDI_CAP_CLIENT 0x00000020 /* Virtual client side device */
|
||
|
#define MIDI_CAP_SERVER 0x00000040 /* Virtual server side device */
|
||
|
#define MIDI_CAP_INTERNAL 0x00000080 /* Internal (synth) device */
|
||
|
#define MIDI_CAP_EXTERNAL 0x00000100 /* external (MIDI port) device */
|
||
|
#define MIDI_CAP_PTOP 0x00000200 /* Point to point link to one device */
|
||
|
#define MIDI_CAP_MTC 0x00000400 /* MTC/SMPTE (control) device */
|
||
|
int magic; /* Reserved for internal use */
|
||
|
int card_number;
|
||
|
int port_number;
|
||
|
int enabled; /* 1=enabled, 0=device not ready at this moment */
|
||
|
int flags; /* For internal use only - no practical meaning */
|
||
|
char handle[32];
|
||
|
oss_longname_t song_name; /* Song name (if known) */
|
||
|
oss_label_t label; /* Device label (if given) */
|
||
|
int latency; /* In usecs, -1=unknown */
|
||
|
oss_devnode_t devnode; /* Device special file name (absolute path) */
|
||
|
int legacy_device; /* Legacy device mapping */
|
||
|
int filler[235];
|
||
|
} oss_midi_info;
|
||
|
|
||
|
typedef struct oss_card_info
|
||
|
{
|
||
|
int card;
|
||
|
char shortname[16];
|
||
|
char longname[128];
|
||
|
int flags;
|
||
|
int filler[256];
|
||
|
} oss_card_info;
|
||
|
|
||
|
#define SNDCTL_SYSINFO __SIOR ('X', 1, oss_sysinfo)
|
||
|
#define OSS_SYSINFO SNDCTL_SYSINFO /* Old name */
|
||
|
|
||
|
#define SNDCTL_MIX_NRMIX __SIOR ('X', 2, int)
|
||
|
#define SNDCTL_MIX_NREXT __SIOWR('X', 3, int)
|
||
|
#define SNDCTL_MIX_EXTINFO __SIOWR('X', 4, oss_mixext)
|
||
|
#define SNDCTL_MIX_READ __SIOWR('X', 5, oss_mixer_value)
|
||
|
#define SNDCTL_MIX_WRITE __SIOWR('X', 6, oss_mixer_value)
|
||
|
|
||
|
#define SNDCTL_AUDIOINFO __SIOWR('X', 7, oss_audioinfo)
|
||
|
#define SNDCTL_MIX_ENUMINFO __SIOWR('X', 8, oss_mixer_enuminfo)
|
||
|
#define SNDCTL_MIDIINFO __SIOWR('X', 9, oss_midi_info)
|
||
|
#define SNDCTL_MIXERINFO __SIOWR('X',10, oss_mixerinfo)
|
||
|
#define SNDCTL_CARDINFO __SIOWR('X',11, oss_card_info)
|
||
|
#define SNDCTL_ENGINEINFO __SIOWR('X',12, oss_audioinfo)
|
||
|
#define SNDCTL_AUDIOINFO_EX __SIOWR('X',13, oss_audioinfo)
|
||
|
|
||
|
/* ioctl codes 'X', 200-255 are reserved for internal use */
|
||
|
|
||
|
/*
|
||
|
* Few more "globally" available ioctl calls.
|
||
|
*/
|
||
|
#define SNDCTL_SETSONG __SIOW ('Y', 2, oss_longname_t)
|
||
|
#define SNDCTL_GETSONG __SIOR ('Y', 2, oss_longname_t)
|
||
|
#define SNDCTL_SETNAME __SIOW ('Y', 3, oss_longname_t)
|
||
|
#define SNDCTL_SETLABEL __SIOW ('Y', 4, oss_label_t)
|
||
|
#define SNDCTL_GETLABEL __SIOR ('Y', 4, oss_label_t)
|
||
|
/*
|
||
|
* The "new" mixer API definitions end here.
|
||
|
***************************************
|
||
|
*/
|
||
|
|
||
|
/*
|
||
|
*********************************************************
|
||
|
* Few routines that are included in -lOSSlib
|
||
|
*
|
||
|
* At this moment this interface is not used. OSSlib contains just
|
||
|
* stubs that call the related system calls directly.
|
||
|
*/
|
||
|
#ifdef OSSLIB
|
||
|
extern int osslib_open (const char *path, int flags, int dummy);
|
||
|
extern void osslib_close (int fd);
|
||
|
extern int osslib_write (int fd, const void *buf, int count);
|
||
|
extern int osslib_read (int fd, void *buf, int count);
|
||
|
extern int osslib_ioctl (int fd, unsigned int request, void *arg);
|
||
|
#else
|
||
|
# define osslib_open open
|
||
|
# define osslib_close close
|
||
|
# define osslib_write write
|
||
|
# define osslib_read read
|
||
|
# define osslib_ioctl ioctl
|
||
|
#endif
|
||
|
|
||
|
#if 1
|
||
|
#define SNDCTL_DSP_NONBLOCK __SIO ('P',14) /* Obsolete. Not supported any more */
|
||
|
#endif
|
||
|
|
||
|
#if 1
|
||
|
/*
|
||
|
* Some obsolete macros that are not part of Open Sound System API.
|
||
|
*/
|
||
|
#define SOUND_PCM_READ_RATE SOUND_PCM_READ_RATE_is_obsolete
|
||
|
#define SOUND_PCM_READ_BITS SOUND_PCM_READ_BITS_is_obsolete
|
||
|
#define SOUND_PCM_READ_CHANNELS SOUND_PCM_READ_CHANNELS_is_obsolete
|
||
|
#define SOUND_PCM_WRITE_RATE SOUND_PCM_WRITE_RATE_is_obsolet_use_SNDCTL_DSP_SPEED_instead
|
||
|
#define SOUND_PCM_WRITE_CHANNELS SOUND_PCM_WRITE_CHANNELS_is_obsolete_use_SNDCTL_DSP_CHANNELS_instead
|
||
|
#define SOUND_PCM_WRITE_BITS SOUND_PCM_WRITE_BITS_is_obsolete_use_SNDCTL_DSP_SETFMT_instead
|
||
|
#define SOUND_PCM_POST SOUND_PCM_POST_is_obsolete_use_SNDCTL_DSP_POST_instead
|
||
|
#define SOUND_PCM_RESET SOUND_PCM_RESET_is_obsolete_use_SNDCTL_DSP_HALT_instead
|
||
|
#define SOUND_PCM_SYNC SOUND_PCM_SYNC_is_obsolete_use_SNDCTL_DSP_SYNC_instead
|
||
|
#define SOUND_PCM_SUBDIVIDE SOUND_PCM_SUBDIVIDE_is_obsolete_use_SNDCTL_DSP_SUBDIVIDE_instead
|
||
|
#define SOUND_PCM_SETFRAGMENT SOUND_PCM_SETFRAGMENT_is_obsolete_use_SNDCTL_DSP_SETFRAGMENT_instead
|
||
|
#define SOUND_PCM_GETFMTS SOUND_PCM_GETFMTS_is_obsolete_use_SNDCTL_DSP_GETFMTS_instead
|
||
|
#define SOUND_PCM_SETFMT SOUND_PCM_SETFMT_is_obsolete_use_SNDCTL_DSP_SETFMT_instead
|
||
|
#define SOUND_PCM_GETOSPACE SOUND_PCM_GETOSPACE_is_obsolete_use_SNDCTL_DSP_GETOSPACE_instead
|
||
|
#define SOUND_PCM_GETISPACE SOUND_PCM_GETISPACE_is_obsolete_use_SNDCTL_DSP_GETISPACE_instead
|
||
|
#define SOUND_PCM_NONBLOCK SOUND_PCM_NONBLOCK_is_obsolete_use_SNDCTL_DSP_NONBLOCK_instead
|
||
|
#define SOUND_PCM_GETCAPS SOUND_PCM_GETCAPS_is_obsolete_use_SNDCTL_DSP_GETCAPS_instead
|
||
|
#define SOUND_PCM_GETTRIGGER SOUND_PCM_GETTRIGGER_is_obsolete_use_SNDCTL_DSP_GETTRIGGER_instead
|
||
|
#define SOUND_PCM_SETTRIGGER SOUND_PCM_SETTRIGGER_is_obsolete_use_SNDCTL_DSP_SETTRIGGER_instead
|
||
|
#define SOUND_PCM_SETSYNCRO SOUND_PCM_SETSYNCRO_is_obsolete_use_SNDCTL_DSP_SETSYNCRO_instead
|
||
|
#define SOUND_PCM_GETIPTR SOUND_PCM_GETIPTR_is_obsolete_use_SNDCTL_DSP_GETIPTR_instead
|
||
|
#define SOUND_PCM_GETOPTR SOUND_PCM_GETOPTR_is_obsolete_use_SNDCTL_DSP_GETOPTR_instead
|
||
|
#define SOUND_PCM_MAPINBUF SOUND_PCM_MAPINBUF_is_obsolete_use_SNDCTL_DSP_MAPINBUF_instead
|
||
|
#define SOUND_PCM_MAPOUTBUF SOUND_PCM_MAPOUTBUF_is_obsolete_use_SNDCTL_DSP_MAPOUTBUF_instead
|
||
|
#endif
|
||
|
|
||
|
#endif
|