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Added snds_pcm_param_xrun()

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Jaroslav Kysela 2003-06-22 12:44:41 +00:00
parent b004a9d791
commit cff8e26fb7
1 changed files with 12 additions and 4 deletions
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16
include/pcm_simple.h
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@ -32,7 +32,7 @@
/** Simple PCM latency type */ /** Simple PCM latency type */
enum snds_pcm_latency_type { enum snds_pcm_latency_type {
/** normal latency - for standard playback or capture /** normal latency - for standard playback or capture
(estimated latency in one direction 350ms) */ (estimated latency in one direction 350ms) (default) */
SNDS_PCM_LATENCY_NORMAL = 0, SNDS_PCM_LATENCY_NORMAL = 0,
/** medium latency - software phones etc. /** medium latency - software phones etc.
(estimated latency in one direction 50ms) */ (estimated latency in one direction 50ms) */
@ -44,12 +44,20 @@ enum snds_pcm_latency_type {
/** Simple PCM access type */ /** Simple PCM access type */
enum snds_pcm_access_type { enum snds_pcm_access_type {
/** interleaved access - channels are interleaved without any gaps among samples */ /** interleaved access - channels are interleaved without any gaps among samples (default) */
SNDS_PCM_ACCESS_INTERLEAVED = 0, SNDS_PCM_ACCESS_INTERLEAVED = 0,
/** noninterleaved access - channels are separate without any gaps among samples */ /** noninterleaved access - channels are separate without any gaps among samples */
SNDS_PCM_ACCESS_NONINTERLEAVED SNDS_PCM_ACCESS_NONINTERLEAVED
}; };
/** Simple PCM xrun type */
enum snds_pcm_xrun_type {
/** driver / library will not care about xruns, stream runs forever (default) */
SNDS_PCM_XRUN_NOCARE = 0,
/** driver / library stops the stream when xrun occurs */
SNDS_PCM_XRUN_STOP
};
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
#endif #endif
@ -60,8 +68,7 @@ extern "C" {
* \{ * \{
*/ */
int snds_pcm_open(snds_pcm_t **pcm, const char *playback_name, const char *capture_name); int snds_pcm_open(snds_pcm_t **pcm, const char *playback_name, const char *capture_name, snd_config_t *lconf);
int snds_pcm_open_lconf(snds_pcm_t **pcm, const char *plaback_name, const char *capture_name, snd_config_t *lconf);
int snds_pcm_close(snds_pcm_t *pcm); int snds_pcm_close(snds_pcm_t *pcm);
int snds_pcm_poll_descriptors_count(snds_pcm_t *pcm); int snds_pcm_poll_descriptors_count(snds_pcm_t *pcm);
int snds_pcm_poll_descriptors(snds_pcm_t *pcm, struct pollfd *pfds, unsigned int space); int snds_pcm_poll_descriptors(snds_pcm_t *pcm, struct pollfd *pfds, unsigned int space);
@ -87,6 +94,7 @@ int snds_pcm_param_channels(snds_pcm_t *pcm, unsigned int channels, unsigned int
int snds_pcm_param_format(snds_pcm_t *pcm, snd_pcm_format_t format, snd_pcm_subformat_t subformat); int snds_pcm_param_format(snds_pcm_t *pcm, snd_pcm_format_t format, snd_pcm_subformat_t subformat);
int snds_pcm_param_latency(snds_pcm_t *pcm, enum snds_pcm_latency_type latency); int snds_pcm_param_latency(snds_pcm_t *pcm, enum snds_pcm_latency_type latency);
int snds_pcm_param_access(snds_pcm_t *pcm, enum snds_pcm_access_type access); int snds_pcm_param_access(snds_pcm_t *pcm, enum snds_pcm_access_type access);
int snds_pcm_param_xrun(snds_pcm_t *pcm, enum snds_pcm_xrun_type xrun);
/** \} */ /** \} */