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https://github.com/alsa-project/alsa-lib.git
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The main header file is not dependant on asound.h from driver.
This commit is contained in:
Jaroslav Kysela
parent
4747044abf
commit
79531a4eb0
15 changed files with 242 additions and 378 deletions
168
include/pcm.h
168
include/pcm.h
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@ -32,47 +32,47 @@ typedef struct _snd_pcm_subformat_mask snd_pcm_subformat_mask_t;
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/** PCM class */
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typedef enum _snd_pcm_class {
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/** standard device */
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SND_PCM_CLASS_GENERIC = SNDRV_PCM_CLASS_GENERIC,
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SND_PCM_CLASS_GENERIC = 0,
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/** multichannel device */
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SND_PCM_CLASS_MULTI = SNDRV_PCM_CLASS_MULTI,
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SND_PCM_CLASS_MULTI,
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/** software modem device */
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SND_PCM_CLASS_MODEM = SNDRV_PCM_CLASS_MODEM,
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SND_PCM_CLASS_MODEM,
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/** digitizer device */
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SND_PCM_CLASS_DIGITIZER = SNDRV_PCM_CLASS_DIGITIZER,
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SND_PCM_CLASS_LAST = SNDRV_PCM_CLASS_LAST,
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SND_PCM_CLASS_DIGITIZER,
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SND_PCM_CLASS_LAST = SND_PCM_CLASS_DIGITIZER,
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} snd_pcm_class_t;
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/** PCM subclass */
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typedef enum _snd_pcm_subclass {
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/** subdevices are mixed together */
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SND_PCM_SUBCLASS_GENERIC_MIX = SNDRV_PCM_SUBCLASS_GENERIC_MIX,
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SND_PCM_SUBCLASS_GENERIC_MIX = 0,
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/** multichannel subdevices are mixed together */
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SND_PCM_SUBCLASS_MULTI_MIX = SNDRV_PCM_SUBCLASS_MULTI_MIX,
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SND_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_LAST,
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SND_PCM_SUBCLASS_MULTI_MIX,
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SND_PCM_SUBCLASS_LAST = SND_PCM_SUBCLASS_MULTI_MIX,
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} snd_pcm_subclass_t;
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/** PCM stream (direction) */
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typedef enum _snd_pcm_stream {
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/** Playback stream */
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SND_PCM_STREAM_PLAYBACK = SNDRV_PCM_STREAM_PLAYBACK,
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SND_PCM_STREAM_PLAYBACK = 0,
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/** Capture stream */
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SND_PCM_STREAM_CAPTURE = SNDRV_PCM_STREAM_CAPTURE,
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SND_PCM_STREAM_LAST = SNDRV_PCM_STREAM_LAST,
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SND_PCM_STREAM_CAPTURE,
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SND_PCM_STREAM_LAST = SND_PCM_STREAM_CAPTURE,
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} snd_pcm_stream_t;
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/** PCM access type */
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typedef enum _snd_pcm_access {
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/** mmap access with simple interleaved channels */
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SND_PCM_ACCESS_MMAP_INTERLEAVED = SNDRV_PCM_ACCESS_MMAP_INTERLEAVED,
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SND_PCM_ACCESS_MMAP_INTERLEAVED = 0,
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/** mmap access with simple non interleaved channels */
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SND_PCM_ACCESS_MMAP_NONINTERLEAVED = SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED,
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SND_PCM_ACCESS_MMAP_NONINTERLEAVED,
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/** mmap access with complex placement */
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SND_PCM_ACCESS_MMAP_COMPLEX = SNDRV_PCM_ACCESS_MMAP_COMPLEX,
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SND_PCM_ACCESS_MMAP_COMPLEX,
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/** snd_pcm_readi/snd_pcm_writei access */
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SND_PCM_ACCESS_RW_INTERLEAVED = SNDRV_PCM_ACCESS_RW_INTERLEAVED,
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SND_PCM_ACCESS_RW_INTERLEAVED,
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/** snd_pcm_readn/snd_pcm_writen access */
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SND_PCM_ACCESS_RW_NONINTERLEAVED = SNDRV_PCM_ACCESS_RW_NONINTERLEAVED,
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SND_PCM_ACCESS_LAST = SNDRV_PCM_ACCESS_LAST,
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SND_PCM_ACCESS_RW_NONINTERLEAVED,
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SND_PCM_ACCESS_LAST = SND_PCM_ACCESS_RW_NONINTERLEAVED,
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} snd_pcm_access_t;
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/** PCM sample format */
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@ -80,129 +80,153 @@ typedef enum _snd_pcm_format {
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/** Unknown */
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SND_PCM_FORMAT_UNKNOWN = -1,
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/** Signed 8 bit */
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SND_PCM_FORMAT_S8 = SNDRV_PCM_FORMAT_S8,
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SND_PCM_FORMAT_S8 = 0,
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/** Unsigned 8 bit */
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SND_PCM_FORMAT_U8 = SNDRV_PCM_FORMAT_U8,
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SND_PCM_FORMAT_U8,
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/** Signed 16 bit Little Endian */
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SND_PCM_FORMAT_S16_LE = SNDRV_PCM_FORMAT_S16_LE,
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SND_PCM_FORMAT_S16_LE,
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/** Signed 16 bit Big Endian */
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SND_PCM_FORMAT_S16_BE = SNDRV_PCM_FORMAT_S16_BE,
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SND_PCM_FORMAT_S16_BE,
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/** Unsigned 16 bit Little Endian */
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SND_PCM_FORMAT_U16_LE = SNDRV_PCM_FORMAT_U16_LE,
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SND_PCM_FORMAT_U16_LE,
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/** Unsigned 16 bit Big Endian */
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SND_PCM_FORMAT_U16_BE = SNDRV_PCM_FORMAT_U16_BE,
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SND_PCM_FORMAT_U16_BE,
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/** Signed 24 bit Little Endian */
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SND_PCM_FORMAT_S24_LE = SNDRV_PCM_FORMAT_S24_LE,
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SND_PCM_FORMAT_S24_LE,
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/** Signed 24 bit Big Endian */
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SND_PCM_FORMAT_S24_BE = SNDRV_PCM_FORMAT_S24_BE,
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SND_PCM_FORMAT_S24_BE,
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/** Unsigned 24 bit Little Endian */
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SND_PCM_FORMAT_U24_LE = SNDRV_PCM_FORMAT_U24_LE,
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SND_PCM_FORMAT_U24_LE,
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/** Unsigned 24 bit Big Endian */
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SND_PCM_FORMAT_U24_BE = SNDRV_PCM_FORMAT_U24_BE,
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SND_PCM_FORMAT_U24_BE,
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/** Signed 32 bit Little Endian */
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SND_PCM_FORMAT_S32_LE = SNDRV_PCM_FORMAT_S32_LE,
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SND_PCM_FORMAT_S32_LE,
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/** Signed 32 bit Big Endian */
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SND_PCM_FORMAT_S32_BE = SNDRV_PCM_FORMAT_S32_BE,
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SND_PCM_FORMAT_S32_BE,
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/** Unsigned 32 bit Little Endian */
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SND_PCM_FORMAT_U32_LE = SNDRV_PCM_FORMAT_U32_LE,
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SND_PCM_FORMAT_U32_LE,
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/** Unsigned 32 bit Big Endian */
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SND_PCM_FORMAT_U32_BE = SNDRV_PCM_FORMAT_U32_BE,
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SND_PCM_FORMAT_U32_BE,
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/** Float 32 bit Little Endian */
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SND_PCM_FORMAT_FLOAT_LE = SNDRV_PCM_FORMAT_FLOAT_LE,
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SND_PCM_FORMAT_FLOAT_LE,
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/** Float 32 bit Big Endian */
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SND_PCM_FORMAT_FLOAT_BE = SNDRV_PCM_FORMAT_FLOAT_BE,
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SND_PCM_FORMAT_FLOAT_BE,
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/** Float 64 bit Little Endian */
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SND_PCM_FORMAT_FLOAT64_LE = SNDRV_PCM_FORMAT_FLOAT64_LE,
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SND_PCM_FORMAT_FLOAT64_LE,
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/** Float 64 bit Big Endian */
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SND_PCM_FORMAT_FLOAT64_BE = SNDRV_PCM_FORMAT_FLOAT64_BE,
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SND_PCM_FORMAT_FLOAT64_BE,
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/** IEC-958 Little Endian */
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SND_PCM_FORMAT_IEC958_SUBFRAME_LE = SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE,
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SND_PCM_FORMAT_IEC958_SUBFRAME_LE,
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/** IEC-958 Big Endian */
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SND_PCM_FORMAT_IEC958_SUBFRAME_BE = SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE,
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SND_PCM_FORMAT_IEC958_SUBFRAME_BE,
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/** Mu-Law */
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SND_PCM_FORMAT_MU_LAW = SNDRV_PCM_FORMAT_MU_LAW,
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SND_PCM_FORMAT_MU_LAW,
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/** A-Law */
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SND_PCM_FORMAT_A_LAW = SNDRV_PCM_FORMAT_A_LAW,
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SND_PCM_FORMAT_A_LAW,
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/** Ima-ADPCM */
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SND_PCM_FORMAT_IMA_ADPCM = SNDRV_PCM_FORMAT_IMA_ADPCM,
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SND_PCM_FORMAT_IMA_ADPCM,
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/** MPEG */
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SND_PCM_FORMAT_MPEG = SNDRV_PCM_FORMAT_MPEG,
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SND_PCM_FORMAT_MPEG,
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/** GSM */
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SND_PCM_FORMAT_GSM = SNDRV_PCM_FORMAT_GSM,
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SND_PCM_FORMAT_GSM,
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/** Special */
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SND_PCM_FORMAT_SPECIAL = SNDRV_PCM_FORMAT_SPECIAL,
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SND_PCM_FORMAT_LAST = SNDRV_PCM_FORMAT_LAST,
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SND_PCM_FORMAT_SPECIAL = 31,
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SND_PCM_FORMAT_LAST = SND_PCM_FORMAT_SPECIAL,
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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/** Signed 16 bit CPU endian */
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SND_PCM_FORMAT_S16 = SNDRV_PCM_FORMAT_S16,
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SND_PCM_FORMAT_S16 = SND_PCM_FORMAT_S16_LE,
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/** Unsigned 16 bit CPU endian */
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SND_PCM_FORMAT_U16 = SNDRV_PCM_FORMAT_U16,
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SND_PCM_FORMAT_U16 = SND_PCM_FORMAT_U16_LE,
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/** Signed 24 bit CPU endian */
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SND_PCM_FORMAT_S24 = SNDRV_PCM_FORMAT_S24,
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SND_PCM_FORMAT_S24 = SND_PCM_FORMAT_S24_LE,
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/** Unsigned 24 bit CPU endian */
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SND_PCM_FORMAT_U24 = SNDRV_PCM_FORMAT_U24,
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SND_PCM_FORMAT_U24 = SND_PCM_FORMAT_U24_LE,
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/** Signed 32 bit CPU endian */
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SND_PCM_FORMAT_S32 = SNDRV_PCM_FORMAT_S32,
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SND_PCM_FORMAT_S32 = SND_PCM_FORMAT_S32_LE,
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/** Unsigned 32 bit CPU endian */
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SND_PCM_FORMAT_U32 = SNDRV_PCM_FORMAT_U32,
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SND_PCM_FORMAT_U32 = SND_PCM_FORMAT_U32_LE,
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/** Float 32 bit CPU endian */
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SND_PCM_FORMAT_FLOAT = SNDRV_PCM_FORMAT_FLOAT,
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SND_PCM_FORMAT_FLOAT = SND_PCM_FORMAT_FLOAT_LE,
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/** Float 64 bit CPU endian */
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SND_PCM_FORMAT_FLOAT64 = SNDRV_PCM_FORMAT_FLOAT64,
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SND_PCM_FORMAT_FLOAT64 = SND_PCM_FORMAT_FLOAT64_LE,
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/** IEC-958 CPU Endian */
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SND_PCM_FORMAT_IEC958_SUBFRAME = SNDRV_PCM_FORMAT_IEC958_SUBFRAME,
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SND_PCM_FORMAT_IEC958_SUBFRAME = SND_PCM_FORMAT_IEC958_SUBFRAME_LE,
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#elif __BYTE_ORDER == __BIG_ENDIAN
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/** Signed 16 bit CPU endian */
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SND_PCM_FORMAT_S16 = SND_PCM_FORMAT_S16_BE,
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/** Unsigned 16 bit CPU endian */
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SND_PCM_FORMAT_U16 = SND_PCM_FORMAT_U16_BE,
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/** Signed 24 bit CPU endian */
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SND_PCM_FORMAT_S24 = SND_PCM_FORMAT_S24_BE,
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/** Unsigned 24 bit CPU endian */
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SND_PCM_FORMAT_U24 = SND_PCM_FORMAT_U24_BE,
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/** Signed 32 bit CPU endian */
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SND_PCM_FORMAT_S32 = SND_PCM_FORMAT_S32_BE,
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/** Unsigned 32 bit CPU endian */
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SND_PCM_FORMAT_U32 = SND_PCM_FORMAT_U32_BE,
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/** Float 32 bit CPU endian */
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SND_PCM_FORMAT_FLOAT = SND_PCM_FORMAT_FLOAT_BE,
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/** Float 64 bit CPU endian */
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SND_PCM_FORMAT_FLOAT64 = SND_PCM_FORMAT_FLOAT64_BE,
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/** IEC-958 CPU Endian */
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SND_PCM_FORMAT_IEC958_SUBFRAME = SND_PCM_FORMAT_IEC958_SUBFRAME_BE,
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#else
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#error "Unknown endian"
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#endif
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} snd_pcm_format_t;
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/** PCM sample subformat */
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typedef enum _snd_pcm_subformat {
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/** Standard */
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SND_PCM_SUBFORMAT_STD = SNDRV_PCM_SUBFORMAT_STD,
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SND_PCM_SUBFORMAT_LAST = SNDRV_PCM_SUBFORMAT_LAST,
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SND_PCM_SUBFORMAT_STD = 0,
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SND_PCM_SUBFORMAT_LAST = SND_PCM_SUBFORMAT_STD,
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} snd_pcm_subformat_t;
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/** PCM state */
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typedef enum _snd_pcm_state {
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/** Open */
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SND_PCM_STATE_OPEN = SNDRV_PCM_STATE_OPEN,
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SND_PCM_STATE_OPEN = 0,
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/** Setup installed */
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SND_PCM_STATE_SETUP = SNDRV_PCM_STATE_SETUP,
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SND_PCM_STATE_SETUP,
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/** Ready to start */
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SND_PCM_STATE_PREPARED = SNDRV_PCM_STATE_PREPARED,
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SND_PCM_STATE_PREPARED,
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/** Running */
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SND_PCM_STATE_RUNNING = SNDRV_PCM_STATE_RUNNING,
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SND_PCM_STATE_RUNNING,
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/** Stopped: underrun (playback) or overrun (capture) detected */
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SND_PCM_STATE_XRUN = SNDRV_PCM_STATE_XRUN,
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SND_PCM_STATE_XRUN,
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/** Draining: running (playback) or stopped (capture) */
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SND_PCM_STATE_DRAINING = SNDRV_PCM_STATE_DRAINING,
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SND_PCM_STATE_DRAINING,
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/** Paused */
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SND_PCM_STATE_PAUSED = SNDRV_PCM_STATE_PAUSED,
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SND_PCM_STATE_LAST = SNDRV_PCM_STATE_LAST,
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SND_PCM_STATE_PAUSED,
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SND_PCM_STATE_LAST = SND_PCM_STATE_PAUSED,
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} snd_pcm_state_t;
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/** PCM start mode */
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typedef enum _snd_pcm_start {
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/** Automatic start on data read/write */
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SND_PCM_START_DATA,
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SND_PCM_START_DATA = 0,
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/** Explicit start */
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SND_PCM_START_EXPLICIT,
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SND_PCM_START_LAST,
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SND_PCM_START_LAST = SND_PCM_START_EXPLICIT,
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} snd_pcm_start_t;
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/** PCM xrun mode */
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typedef enum _snd_pcm_xrun {
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/** Xrun detection disabled */
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SND_PCM_XRUN_NONE,
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SND_PCM_XRUN_NONE = 0,
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/** Stop on xrun detection */
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SND_PCM_XRUN_STOP,
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SND_PCM_XRUN_LAST,
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SND_PCM_XRUN_LAST = SND_PCM_XRUN_STOP,
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} snd_pcm_xrun_t;
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/** PCM timestamp mode */
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typedef enum _snd_pcm_tstamp {
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/** No timestamp */
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SND_PCM_TSTAMP_NONE = SNDRV_PCM_TSTAMP_NONE,
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SND_PCM_TSTAMP_NONE = 0,
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/** Update mmap'ed timestamp */
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SND_PCM_TSTAMP_MMAP = SNDRV_PCM_TSTAMP_MMAP,
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SND_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_LAST,
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SND_PCM_TSTAMP_MMAP,
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SND_PCM_TSTAMP_LAST = SND_PCM_TSTAMP_MMAP,
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} snd_pcm_tstamp_t;
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/** Unsigned frames quantity */
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@ -223,7 +247,7 @@ typedef struct _snd_pcm snd_pcm_t;
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/** PCM type */
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enum _snd_pcm_type {
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/** Kernel level PCM */
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SND_PCM_TYPE_HW,
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SND_PCM_TYPE_HW = 0,
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/** Hooked PCM */
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SND_PCM_TYPE_HOOKS,
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/** One ore more linked PCM with exclusive access to selected
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@ -725,7 +749,7 @@ void snd_pcm_info_set_stream(snd_pcm_info_t *obj, snd_pcm_stream_t val);
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/** type of pcm hook */
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typedef enum _snd_pcm_hook_type {
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SND_PCM_HOOK_TYPE_HW_PARAMS,
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SND_PCM_HOOK_TYPE_HW_PARAMS = 0,
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SND_PCM_HOOK_TYPE_HW_FREE,
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SND_PCM_HOOK_TYPE_CLOSE,
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SND_PCM_HOOK_TYPE_LAST = SND_PCM_HOOK_TYPE_CLOSE,
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