mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-10-29 05:40:25 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

PCM API cleaning. silencing implementation. xfer_min removal

Browse source
This commit is contained in:
Abramo Bagnara 2000-12-29 15:00:53 +00:00
parent 684703b387
commit 8f1b27dfb8
29 changed files with 1189 additions and 853 deletions
Download patch file Download diff file Expand all files Collapse all files

48
src/pcm/pcm_mulaw.c
View file

@ -238,37 +238,37 @@ static int snd_pcm_mulaw_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
mask_t *saccess_mask = alloca(mask_sizeof());
mask_load(access_mask, SND_PCM_ACCBIT_PLUGIN);
mask_load(saccess_mask, SND_PCM_ACCBIT_MMAP);
err = _snd_pcm_hw_params_mask(params, 1, SND_PCM_HW_PARAM_ACCESS,
access_mask);
err = _snd_pcm_hw_param_mask(params, 1, SND_PCM_HW_PARAM_ACCESS,
access_mask);
if (err < 0)
return err;
if (mulaw->sformat == SND_PCM_FORMAT_MU_LAW) {
mask_t *format_mask = alloca(mask_sizeof());
mask_load(format_mask, SND_PCM_FMTBIT_LINEAR);
err = _snd_pcm_hw_params_mask(params, 1,
SND_PCM_HW_PARAM_FORMAT,
format_mask);
err = _snd_pcm_hw_param_mask(params, 1,
SND_PCM_HW_PARAM_FORMAT,
format_mask);
if (err < 0)
return err;
} else {
err = _snd_pcm_hw_params_set(params, 1,
SND_PCM_HW_PARAM_FORMAT,
SND_PCM_FORMAT_MU_LAW);
err = _snd_pcm_hw_param_set(params, 1,
SND_PCM_HW_PARAM_FORMAT,
SND_PCM_FORMAT_MU_LAW);
if (err < 0)
return err;
}
err = _snd_pcm_hw_params_set(params, 1, SND_PCM_HW_PARAM_SUBFORMAT,
SND_PCM_SUBFORMAT_STD);
err = _snd_pcm_hw_param_set(params, 1, SND_PCM_HW_PARAM_SUBFORMAT,
SND_PCM_SUBFORMAT_STD);
if (err < 0)
return err;
_snd_pcm_hw_params_any(&sparams);
_snd_pcm_hw_params_mask(&sparams, 0, SND_PCM_HW_PARAM_ACCESS,
saccess_mask);
_snd_pcm_hw_params_set(&sparams, 0, SND_PCM_HW_PARAM_FORMAT,
mulaw->sformat);
_snd_pcm_hw_params_set(&sparams, 0, SND_PCM_HW_PARAM_SUBFORMAT,
SND_PCM_SUBFORMAT_STD);
_snd_pcm_hw_param_mask(&sparams, 0, SND_PCM_HW_PARAM_ACCESS,
saccess_mask);
_snd_pcm_hw_param_set(&sparams, 0, SND_PCM_HW_PARAM_FORMAT,
mulaw->sformat);
_snd_pcm_hw_param_set(&sparams, 0, SND_PCM_HW_PARAM_SUBFORMAT,
SND_PCM_SUBFORMAT_STD);
err = snd_pcm_hw_refine2(params, &sparams,
snd_pcm_hw_refine, slave,
SND_PCM_HW_PARBIT_CHANNELS |
@ -294,12 +294,12 @@ static int snd_pcm_mulaw_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t * params)
mask_load(saccess_mask, SND_PCM_ACCBIT_MMAP);
_snd_pcm_hw_params_any(&sparams);
_snd_pcm_hw_params_mask(&sparams, 0, SND_PCM_HW_PARAM_ACCESS,
saccess_mask);
_snd_pcm_hw_params_set(&sparams, 0, SND_PCM_HW_PARAM_FORMAT,
mulaw->sformat);
_snd_pcm_hw_params_set(&sparams, 0, SND_PCM_HW_PARAM_SUBFORMAT,
SND_PCM_SUBFORMAT_STD);
_snd_pcm_hw_param_mask(&sparams, 0, SND_PCM_HW_PARAM_ACCESS,
saccess_mask);
_snd_pcm_hw_param_set(&sparams, 0, SND_PCM_HW_PARAM_FORMAT,
mulaw->sformat);
_snd_pcm_hw_param_set(&sparams, 0, SND_PCM_HW_PARAM_SUBFORMAT,
SND_PCM_SUBFORMAT_STD);
err = snd_pcm_hw_params2(params, &sparams,
snd_pcm_hw_params, slave,
SND_PCM_HW_PARBIT_CHANNELS |
@ -314,7 +314,7 @@ static int snd_pcm_mulaw_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t * params)
params->info &= ~(SND_PCM_INFO_MMAP | SND_PCM_INFO_MMAP_VALID);
if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
if (mulaw->sformat == SND_PCM_FORMAT_MU_LAW) {
mulaw->getput_idx = get_index(snd_pcm_hw_params_value(params, SND_PCM_HW_PARAM_FORMAT), SND_PCM_FORMAT_S16);
mulaw->getput_idx = get_index(snd_pcm_hw_param_value(params, SND_PCM_HW_PARAM_FORMAT), SND_PCM_FORMAT_S16);
mulaw->func = mulaw_encode;
} else {
mulaw->getput_idx = put_index(SND_PCM_FORMAT_S16, mulaw->sformat);
@ -322,7 +322,7 @@ static int snd_pcm_mulaw_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t * params)
}
} else {
if (mulaw->sformat == SND_PCM_FORMAT_MU_LAW) {
mulaw->getput_idx = put_index(SND_PCM_FORMAT_S16, snd_pcm_hw_params_value(params, SND_PCM_HW_PARAM_FORMAT));
mulaw->getput_idx = put_index(SND_PCM_FORMAT_S16, snd_pcm_hw_param_value(params, SND_PCM_HW_PARAM_FORMAT));
mulaw->func = mulaw_decode;
} else {
mulaw->getput_idx = get_index(mulaw->sformat, SND_PCM_FORMAT_S16);