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Added possibility to disable also channel and format conversions + softvol.

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Unified disable option using mode bits in snd_pcm_open().
This commit is contained in:
Jaroslav Kysela 2008-01-11 17:21:44 +01:00
parent 6814d23d29
commit ab8331c882
3 changed files with 55 additions and 38 deletions
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20
src/pcm/pcm_plug.c
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@ -707,7 +707,9 @@ static int snd_pcm_plug_hw_refine_schange(snd_pcm_t *pcm, snd_pcm_hw_params_t *p
snd_interval_t t, buffer_size;
const snd_interval_t *srate, *crate;
if (plug->srate == -2)
if (plug->srate == -2 ||
(pcm->mode & pcm->mode & SND_PCM_NO_AUTO_RESAMPLE) ||
(params->flags & SND_PCM_HW_PARAMS_NORESAMPLE))
links |= SND_PCM_HW_PARBIT_RATE;
else {
err = snd_pcm_hw_param_refine_multiple(slave, sparams, SND_PCM_HW_PARAM_RATE, params);
@ -715,14 +717,14 @@ static int snd_pcm_plug_hw_refine_schange(snd_pcm_t *pcm, snd_pcm_hw_params_t *p
return err;
}
if (plug->schannels == -2)
if (plug->schannels == -2 || (pcm->mode & SND_PCM_NO_AUTO_CHANNELS))
links |= SND_PCM_HW_PARBIT_CHANNELS;
else {
err = snd_pcm_hw_param_refine_near(slave, sparams, SND_PCM_HW_PARAM_CHANNELS, params);
if (err < 0)
return err;
}
if (plug->sformat == -2)
if (plug->sformat == -2 || (pcm->mode & SND_PCM_NO_AUTO_FORMAT))
links |= SND_PCM_HW_PARBIT_FORMAT;
else {
format_mask = snd_pcm_hw_param_get_mask(params, SND_PCM_HW_PARAM_FORMAT);
@ -791,8 +793,6 @@ static int snd_pcm_plug_hw_refine_schange(snd_pcm_t *pcm, snd_pcm_hw_params_t *p
err = _snd_pcm_hw_params_refine(sparams, links, params);
if (err < 0)
return err;
if (params->flags & SND_PCM_HW_PARAMS_NORESAMPLE)
snd_interval_copy((snd_interval_t *)snd_pcm_hw_param_get_interval(params, SND_PCM_HW_PARAM_RATE), snd_pcm_hw_param_get_interval(sparams, SND_PCM_HW_PARAM_RATE));
return 0;
}
@ -811,10 +811,10 @@ static int snd_pcm_plug_hw_refine_cchange(snd_pcm_t *pcm ATTRIBUTE_UNUSED,
const snd_interval_t *sbuffer_size;
const snd_interval_t *srate, *crate;
if (plug->schannels == -2)
if (plug->schannels == -2 || (pcm->mode & SND_PCM_NO_AUTO_CHANNELS))
links |= SND_PCM_HW_PARBIT_CHANNELS;
if (plug->sformat == -2)
if (plug->sformat == -2 || (pcm->mode & SND_PCM_NO_AUTO_FORMAT))
links |= SND_PCM_HW_PARBIT_FORMAT;
else {
format_mask = snd_pcm_hw_param_get_mask(params,
@ -857,7 +857,9 @@ static int snd_pcm_plug_hw_refine_cchange(snd_pcm_t *pcm ATTRIBUTE_UNUSED,
return err;
}
if (plug->srate == -2)
if (plug->srate == -2 ||
(pcm->mode & SND_PCM_NO_AUTO_RESAMPLE) ||
(params->flags & SND_PCM_HW_PARAMS_NORESAMPLE))
links |= SND_PCM_HW_PARBIT_RATE;
else {
unsigned int rate_min, srate_min;
@ -895,8 +897,6 @@ static int snd_pcm_plug_hw_refine_cchange(snd_pcm_t *pcm ATTRIBUTE_UNUSED,
err = _snd_pcm_hw_params_refine(params, links, sparams);
if (err < 0)
return err;
if (params->flags & SND_PCM_HW_PARAMS_NORESAMPLE)
snd_interval_copy((snd_interval_t *)snd_pcm_hw_param_get_interval(params, SND_PCM_HW_PARAM_RATE), snd_pcm_hw_param_get_interval(sparams, SND_PCM_HW_PARAM_RATE));
/* FIXME */
params->info &= ~(SND_PCM_INFO_MMAP | SND_PCM_INFO_MMAP_VALID);
return 0;