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Added snd_pcm_sw_params_get_boundary() function.

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Implemented refine function in dmix.
This commit is contained in:
Jaroslav Kysela 2003-02-05 21:26:14 +00:00
parent 073dff1ba1
commit 7c5e5f5728
3 changed files with 41 additions and 21 deletions
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39
src/pcm/pcm_dmix.c
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@ -453,10 +453,47 @@ static int snd_pcm_dmix_info(snd_pcm_t *pcm, snd_pcm_info_t * info)
return 0;
}
static inline snd_mask_t *hw_param_mask(snd_pcm_hw_params_t *params,
snd_pcm_hw_param_t var)
{
return &params->masks[var - SND_PCM_HW_PARAM_FIRST_MASK];
}
static inline snd_interval_t *hw_param_interval(snd_pcm_hw_params_t *params,
snd_pcm_hw_param_t var)
{
return &params->intervals[var - SND_PCM_HW_PARAM_FIRST_INTERVAL];
}
static int snd_pcm_dmix_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
{
snd_pcm_dmix_t *dmix = pcm->private_data;
//snd_interval_refine_set(
snd_pcm_hw_params_t *hw_params = &dmix->shmptr->hw_params;
static snd_mask_t access = { .bits = {
(1<<SNDRV_PCM_ACCESS_MMAP_INTERLEAVED) |
(1<<SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED) |
(1<<SNDRV_PCM_ACCESS_RW_INTERLEAVED) |
(1<<SNDRV_PCM_ACCESS_RW_NONINTERLEAVED),
0, 0, 0 } };
snd_mask_refine(hw_param_mask(params, SND_PCM_HW_PARAM_ACCESS), &access);
snd_mask_refine_set(hw_param_mask(params, SND_PCM_HW_PARAM_FORMAT),
snd_mask_value(hw_param_mask(hw_params, SND_PCM_HW_PARAM_FORMAT)));
//snd_mask_none(hw_param_mask(params, SND_PCM_HW_PARAM_SUBFORMAT));
snd_interval_refine_set(hw_param_interval(params, SND_PCM_HW_PARAM_CHANNELS),
snd_interval_value(hw_param_interval(hw_params, SND_PCM_HW_PARAM_CHANNELS)));
snd_interval_refine_set(hw_param_interval(params, SND_PCM_HW_PARAM_RATE),
snd_interval_value(hw_param_interval(hw_params, SND_PCM_HW_PARAM_RATE)));
snd_interval_refine_set(hw_param_interval(params, SND_PCM_HW_PARAM_BUFFER_SIZE),
snd_interval_value(hw_param_interval(hw_params, SND_PCM_HW_PARAM_BUFFER_SIZE)));
snd_interval_refine_set(hw_param_interval(params, SND_PCM_HW_PARAM_BUFFER_TIME),
snd_interval_value(hw_param_interval(hw_params, SND_PCM_HW_PARAM_BUFFER_TIME)));
snd_interval_refine_set(hw_param_interval(params, SND_PCM_HW_PARAM_PERIOD_SIZE),
snd_interval_value(hw_param_interval(hw_params, SND_PCM_HW_PARAM_PERIOD_SIZE)));
snd_interval_refine_set(hw_param_interval(params, SND_PCM_HW_PARAM_PERIOD_TIME),
snd_interval_value(hw_param_interval(hw_params, SND_PCM_HW_PARAM_PERIOD_TIME)));
snd_interval_refine_set(hw_param_interval(params, SND_PCM_HW_PARAM_PERIODS),
snd_interval_value(hw_param_interval(hw_params, SND_PCM_HW_PARAM_PERIODS)));
return 0;
}