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Initial implementation of PCM simple API extension.

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This commit is contained in:
Jaroslav Kysela 2004-03-26 16:08:01 +00:00
parent 25f864b059
commit a190b87d94
4 changed files with 292 additions and 2 deletions
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16
include/pcm.h
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@ -1241,6 +1241,14 @@ typedef enum _snd_spcm_xrun_type {
SND_SPCM_XRUN_STOP
} snd_spcm_xrun_type_t;
/** Simple PCM duplex type */
typedef enum _snd_spcm_duplex_type {
/** liberal duplex - the buffer and period sizes might not match */
SND_SPCM_DUPLEX_LIBERAL = 0,
/** pedantic duplex - the buffer and period sizes MUST match */
SND_SPCM_DUPLEX_PEDANTIC
} snd_spcm_duplex_type_t;
int snd_spcm_init(snd_pcm_t *pcm,
unsigned int rate,
unsigned int channels,
@ -1258,7 +1266,13 @@ int snd_spcm_init_duplex(snd_pcm_t *playback_pcm,
snd_pcm_subformat_t subformat,
snd_spcm_latency_t latency,
snd_pcm_access_t access,
snd_spcm_xrun_type_t xrun_type);
snd_spcm_xrun_type_t xrun_type,
snd_spcm_duplex_type_t duplex_type);
int snd_spcm_init_get_params(snd_pcm_t *pcm,
unsigned int *rate,
snd_pcm_uframes_t *buffer_size,
snd_pcm_uframes_t *period_size);
/** \} */