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Try to fix period_time/period_size problems for direct plugin slaves

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This commit is contained in:
Jaroslav Kysela 2004-10-29 10:56:13 +00:00
parent 00fba04f01
commit b7e8f57314
4 changed files with 16 additions and 3 deletions
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1
src/pcm/pcm.c
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@ -1044,6 +1044,7 @@ snd_pcm_sframes_t snd_pcm_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
* \param pcm PCM handle
* \param frames wanted skip in frames
* \return a positive number for actual skip otherwise a negative error code
* \retval 0 means no action
*/
#ifndef DOXYGEN
snd_pcm_sframes_t INTERNAL(snd_pcm_forward)(snd_pcm_t *pcm, snd_pcm_uframes_t frames)

6
src/pcm/pcm_dmix.c
View file

@ -1206,7 +1206,7 @@ int _snd_pcm_dmix_open(snd_pcm_t **pcmp, const char *name,
params.format = SND_PCM_FORMAT_S16;
params.rate = 48000;
params.channels = 2;
params.period_time = 125000; /* 0.125 seconds */
params.period_time = -1;
params.buffer_time = -1;
bsize = psize = -1;
params.periods = 3;
@ -1223,6 +1223,10 @@ int _snd_pcm_dmix_open(snd_pcm_t **pcmp, const char *name,
if (err < 0)
return err;
/* set a reasonable default */
if (psize == -1 && params.period_time == -1)
params.period_time = 125000; /* 0.125 seconds */
/* sorry, limited features */
if (params.format != SND_PCM_FORMAT_S16 &&
params.format != SND_PCM_FORMAT_S32) {

6
src/pcm/pcm_dshare.c
View file

@ -874,7 +874,7 @@ int _snd_pcm_dshare_open(snd_pcm_t **pcmp, const char *name,
params.format = SND_PCM_FORMAT_S16;
params.rate = 48000;
params.channels = 2;
params.period_time = 125000; /* 0.125 seconds */
params.period_time = -1;
params.buffer_time = -1;
bsize = psize = -1;
params.periods = 3;
@ -890,6 +890,10 @@ int _snd_pcm_dshare_open(snd_pcm_t **pcmp, const char *name,
if (err < 0)
return err;
/* set a reasonable default */
if (psize == -1 && params.period_time == -1)
params.period_time = 125000; /* 0.125 seconds */
params.period_size = psize;
params.buffer_size = bsize;
err = snd_pcm_dshare_open(pcmp, name, ipc_key, ipc_perm, &params, bindings, slowptr, root, sconf, stream, mode);

6
src/pcm/pcm_dsnoop.c
View file

@ -824,7 +824,7 @@ int _snd_pcm_dsnoop_open(snd_pcm_t **pcmp, const char *name,
params.format = SND_PCM_FORMAT_S16;
params.rate = 48000;
params.channels = 2;
params.period_time = 125000; /* 0.125 seconds */
params.period_time = -1;
params.buffer_time = -1;
bsize = psize = -1;
params.periods = 3;
@ -840,6 +840,10 @@ int _snd_pcm_dsnoop_open(snd_pcm_t **pcmp, const char *name,
if (err < 0)
return err;
/* set a reasonable default */
if (psize == -1 && params.period_time == -1)
params.period_time = 125000; /* 0.125 seconds */
params.period_size = psize;
params.buffer_size = bsize;
err = snd_pcm_dsnoop_open(pcmp, name, ipc_key, ipc_perm, &params, bindings, slowptr, root, sconf, stream, mode);