sfnt_info.h
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/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ #ifndef __SOUND_SFNT_INFO_H #define __SOUND_SFNT_INFO_H /* * Patch record compatible with AWE driver on OSS * * Copyright (C) 1999-2000 Takashi Iwai */ #include <sound/asound.h> /* * patch information record */ #ifdef SNDRV_BIG_ENDIAN #define SNDRV_OSS_PATCHKEY(id) (0xfd00|id) #else #define SNDRV_OSS_PATCHKEY(id) ((id<<8)|0xfd) #endif /* patch interface header: 16 bytes */ struct soundfont_patch_info { unsigned short key; /* use the key below */ #define SNDRV_OSS_SOUNDFONT_PATCH SNDRV_OSS_PATCHKEY(0x07) short device_no; /* synthesizer number */ unsigned short sf_id; /* file id (should be zero) */ short optarg; /* optional argument */ int len; /* data length (without this header) */ short type; /* patch operation type */ #define SNDRV_SFNT_LOAD_INFO 0 /* awe_voice_rec */ #define SNDRV_SFNT_LOAD_DATA 1 /* awe_sample_info */ #define SNDRV_SFNT_OPEN_PATCH 2 /* awe_open_parm */ #define SNDRV_SFNT_CLOSE_PATCH 3 /* none */ /* 4 is obsolete */ #define SNDRV_SFNT_REPLACE_DATA 5 /* awe_sample_info (optarg=#channels)*/ #define SNDRV_SFNT_MAP_PRESET 6 /* awe_voice_map */ /* 7 is not used */ #define SNDRV_SFNT_PROBE_DATA 8 /* optarg=sample */ #define SNDRV_SFNT_REMOVE_INFO 9 /* optarg=(bank<<8)|instr */ short reserved; /* word alignment data */ /* the actual patch data begins after this */ }; /* * open patch */ #define SNDRV_SFNT_PATCH_NAME_LEN 32 struct soundfont_open_parm { unsigned short type; /* sample type */ #define SNDRV_SFNT_PAT_TYPE_MISC 0 #define SNDRV_SFNT_PAT_TYPE_GUS 6 #define SNDRV_SFNT_PAT_TYPE_MAP 7 #define SNDRV_SFNT_PAT_LOCKED 0x100 /* lock the samples */ #define SNDRV_SFNT_PAT_SHARED 0x200 /* sample is shared */ short reserved; char name[SNDRV_SFNT_PATCH_NAME_LEN]; }; /* * raw voice information record */ /* wave table envelope & effect parameters to control EMU8000 */ struct soundfont_voice_parm { unsigned short moddelay; /* modulation delay (0x8000) */ unsigned short modatkhld; /* modulation attack & hold time (0x7f7f) */ unsigned short moddcysus; /* modulation decay & sustain (0x7f7f) */ unsigned short modrelease; /* modulation release time (0x807f) */ short modkeyhold, modkeydecay; /* envelope change per key (not used) */ unsigned short voldelay; /* volume delay (0x8000) */ unsigned short volatkhld; /* volume attack & hold time (0x7f7f) */ unsigned short voldcysus; /* volume decay & sustain (0x7f7f) */ unsigned short volrelease; /* volume release time (0x807f) */ short volkeyhold, volkeydecay; /* envelope change per key (not used) */ unsigned short lfo1delay; /* LFO1 delay (0x8000) */ unsigned short lfo2delay; /* LFO2 delay (0x8000) */ unsigned short pefe; /* modulation pitch & cutoff (0x0000) */ unsigned short fmmod; /* LFO1 pitch & cutoff (0x0000) */ unsigned short tremfrq; /* LFO1 volume & freq (0x0000) */ unsigned short fm2frq2; /* LFO2 pitch & freq (0x0000) */ unsigned char cutoff; /* initial cutoff (0xff) */ unsigned char filterQ; /* initial filter Q [0-15] (0x0) */ unsigned char chorus; /* chorus send (0x00) */ unsigned char reverb; /* reverb send (0x00) */ unsigned short reserved[4]; /* not used */ }; /* wave table parameters: 92 bytes */ struct soundfont_voice_info { unsigned short sf_id; /* file id (should be zero) */ unsigned short sample; /* sample id */ int start, end; /* sample offset correction */ int loopstart, loopend; /* loop offset correction */ short rate_offset; /* sample rate pitch offset */ unsigned short mode; /* sample mode */ #define SNDRV_SFNT_MODE_ROMSOUND 0x8000 #define SNDRV_SFNT_MODE_STEREO 1 #define SNDRV_SFNT_MODE_LOOPING 2 #define SNDRV_SFNT_MODE_NORELEASE 4 /* obsolete */ #define SNDRV_SFNT_MODE_INIT_PARM 8 short root; /* midi root key */ short tune; /* pitch tuning (in cents) */ unsigned char low, high; /* key note range */ unsigned char vellow, velhigh; /* velocity range */ signed char fixkey, fixvel; /* fixed key, velocity */ signed char pan, fixpan; /* panning, fixed panning */ short exclusiveClass; /* exclusive class (0 = none) */ unsigned char amplitude; /* sample volume (127 max) */ unsigned char attenuation; /* attenuation (0.375dB) */ short scaleTuning; /* pitch scale tuning(%), normally 100 */ struct soundfont_voice_parm parm; /* voice envelope parameters */ unsigned short sample_mode; /* sample mode_flag (set by driver) */ }; /* instrument info header: 4 bytes */ struct soundfont_voice_rec_hdr { unsigned char bank; /* midi bank number */ unsigned char instr; /* midi preset number */ char nvoices; /* number of voices */ char write_mode; /* write mode; normally 0 */ #define SNDRV_SFNT_WR_APPEND 0 /* append anyway */ #define SNDRV_SFNT_WR_EXCLUSIVE 1 /* skip if already exists */ #define SNDRV_SFNT_WR_REPLACE 2 /* replace if already exists */ }; /* * sample wave information */ /* wave table sample header: 32 bytes */ struct soundfont_sample_info { unsigned short sf_id; /* file id (should be zero) */ unsigned short sample; /* sample id */ int start, end; /* start & end offset */ int loopstart, loopend; /* loop start & end offset */ int size; /* size (0 = ROM) */ short dummy; /* not used */ unsigned short mode_flags; /* mode flags */ #define SNDRV_SFNT_SAMPLE_8BITS 1 /* wave data is 8bits */ #define SNDRV_SFNT_SAMPLE_UNSIGNED 2 /* wave data is unsigned */ #define SNDRV_SFNT_SAMPLE_NO_BLANK 4 /* no blank loop is attached */ #define SNDRV_SFNT_SAMPLE_SINGLESHOT 8 /* single-shot w/o loop */ #define SNDRV_SFNT_SAMPLE_BIDIR_LOOP 16 /* bidirectional looping */ #define SNDRV_SFNT_SAMPLE_STEREO_LEFT 32 /* stereo left sound */ #define SNDRV_SFNT_SAMPLE_STEREO_RIGHT 64 /* stereo right sound */ #define SNDRV_SFNT_SAMPLE_REVERSE_LOOP 128 /* reverse looping */ unsigned int truesize; /* used memory size (set by driver) */ }; /* * voice preset mapping (aliasing) */ struct soundfont_voice_map { int map_bank, map_instr, map_key; /* key = -1 means all keys */ int src_bank, src_instr, src_key; }; /* * ioctls for hwdep */ #define SNDRV_EMUX_HWDEP_NAME "Emux WaveTable" #define SNDRV_EMUX_VERSION ((1 << 16) | (0 << 8) | 0) /* 1.0.0 */ struct snd_emux_misc_mode { int port; /* -1 = all */ int mode; int value; int value2; /* reserved */ }; #define SNDRV_EMUX_IOCTL_VERSION _IOR('H', 0x80, unsigned int) #define SNDRV_EMUX_IOCTL_LOAD_PATCH _IOWR('H', 0x81, struct soundfont_patch_info) #define SNDRV_EMUX_IOCTL_RESET_SAMPLES _IO('H', 0x82) #define SNDRV_EMUX_IOCTL_REMOVE_LAST_SAMPLES _IO('H', 0x83) #define SNDRV_EMUX_IOCTL_MEM_AVAIL _IOW('H', 0x84, int) #define SNDRV_EMUX_IOCTL_MISC_MODE _IOWR('H', 0x84, struct snd_emux_misc_mode) #endif /* __SOUND_SFNT_INFO_H */
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