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New hw_params implementation

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This commit is contained in:
Abramo Bagnara 2000-12-21 20:44:10 +00:00
parent 2fe1219099
commit 8dd927e97f
28 changed files with 3550 additions and 1899 deletions
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145
src/pcm/pcm_route.c
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@ -425,50 +425,64 @@ static int snd_pcm_route_close(snd_pcm_t *pcm)
return 0;
}
static int snd_pcm_route_hw_info(snd_pcm_t *pcm, snd_pcm_hw_info_t *info)
static int snd_pcm_route_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
{
snd_pcm_route_t *route = pcm->private;
unsigned int format_mask, access_mask;
unsigned int channels_min, channels_max;
snd_pcm_t *slave = route->plug.slave;
int err;
info->access_mask &= (SND_PCM_ACCBIT_MMAP_INTERLEAVED |
SND_PCM_ACCBIT_RW_INTERLEAVED |
SND_PCM_ACCBIT_MMAP_NONINTERLEAVED |
SND_PCM_ACCBIT_RW_NONINTERLEAVED);
access_mask = info->access_mask;
if (access_mask == 0)
return -EINVAL;
info->format_mask &= SND_PCM_FMTBIT_LINEAR;
format_mask = info->format_mask;
if (format_mask == 0)
return -EINVAL;
if (info->channels_min < 1)
info->channels_min = 1;
channels_min = info->channels_min;
channels_max = info->channels_max;
if (channels_min > channels_max)
return -EINVAL;
if (route->sformat >= 0)
info->format_mask = 1U << route->sformat;
if (route->schannels >= 0)
info->channels_min = info->channels_max = route->schannels;
info->access_mask = SND_PCM_ACCBIT_MMAP;
err = snd_pcm_hw_info(route->plug.slave, info);
info->access_mask = access_mask;
if (route->sformat >= 0)
info->format_mask = format_mask;
if (route->schannels >= 0) {
info->channels_min = channels_min;
info->channels_max = channels_max;
}
snd_pcm_hw_params_t sparams;
unsigned int links = (SND_PCM_HW_PARBIT_CHANNELS |
SND_PCM_HW_PARBIT_FRAGMENTS |
SND_PCM_HW_PARBIT_FRAGMENT_SIZE |
SND_PCM_HW_PARBIT_FRAGMENT_LENGTH |
SND_PCM_HW_PARBIT_BUFFER_SIZE |
SND_PCM_HW_PARBIT_BUFFER_LENGTH);
mask_t *access_mask = alloca(mask_sizeof());
mask_t *format_mask = alloca(mask_sizeof());
mask_t *saccess_mask = alloca(mask_sizeof());
mask_load(access_mask, SND_PCM_ACCBIT_PLUGIN);
mask_load(format_mask, SND_PCM_FMTBIT_LINEAR);
mask_load(saccess_mask, SND_PCM_ACCBIT_MMAP);
err = _snd_pcm_hw_params_mask(params, 1, SND_PCM_HW_PARAM_ACCESS,
access_mask);
if (err < 0)
return err;
info->info &= ~(SND_PCM_INFO_MMAP | SND_PCM_INFO_MMAP_VALID);
snd_pcm_hw_info_complete(info);
err = _snd_pcm_hw_params_mask(params, 1, SND_PCM_HW_PARAM_FORMAT,
format_mask);
if (err < 0)
return err;
err = _snd_pcm_hw_params_min(params, 1, SND_PCM_HW_PARAM_CHANNELS, 1);
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);
if (route->sformat >= 0) {
_snd_pcm_hw_params_set(&sparams, 0, SND_PCM_HW_PARAM_FORMAT,
route->sformat);
_snd_pcm_hw_params_set(&sparams, 0, SND_PCM_HW_PARAM_SUBFORMAT,
SND_PCM_SUBFORMAT_STD);
} else
links |= (SND_PCM_HW_PARBIT_FORMAT |
SND_PCM_HW_PARBIT_SUBFORMAT |
SND_PCM_HW_PARBIT_SAMPLE_BITS);
if (route->schannels >= 0) {
_snd_pcm_hw_params_set(&sparams, 0, SND_PCM_HW_PARAM_CHANNELS,
route->schannels);
} else {
links |= SND_PCM_HW_PARBIT_CHANNELS;
if (route->sformat < 0)
links |= (SND_PCM_HW_PARBIT_FRAME_BITS |
SND_PCM_HW_PARBIT_FRAGMENT_BYTES |
SND_PCM_HW_PARBIT_BUFFER_BYTES);
}
err = snd_pcm_hw_refine2(params, &sparams,
snd_pcm_hw_refine, slave, links);
if (err < 0)
return err;
params->info &= ~(SND_PCM_INFO_MMAP | SND_PCM_INFO_MMAP_VALID);
return 0;
}
@ -476,26 +490,51 @@ static int snd_pcm_route_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t * params)
{
snd_pcm_route_t *route = pcm->private;
snd_pcm_t *slave = route->plug.slave;
unsigned int src_format, dst_format;
snd_pcm_hw_info_t sinfo;
snd_pcm_hw_params_t sparams;
int err;
snd_pcm_hw_params_to_info(params, &sinfo);
if (route->sformat >= 0)
sinfo.format_mask = 1 << route->sformat;
if (route->schannels >= 0)
sinfo.channels_min = sinfo.channels_max = route->schannels;
sinfo.access_mask = SND_PCM_ACCBIT_MMAP;
err = snd_pcm_hw_params_info(slave, &sparams, &sinfo);
params->fail_mask = sparams.fail_mask;
snd_pcm_hw_params_t sparams;
unsigned int links = (SND_PCM_HW_PARBIT_FRAGMENTS |
SND_PCM_HW_PARBIT_FRAGMENT_SIZE |
SND_PCM_HW_PARBIT_FRAGMENT_LENGTH |
SND_PCM_HW_PARBIT_BUFFER_SIZE |
SND_PCM_HW_PARBIT_BUFFER_LENGTH);
unsigned int src_format, dst_format;
mask_t *saccess_mask = alloca(mask_sizeof());
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);
if (route->sformat >= 0) {
_snd_pcm_hw_params_set(&sparams, 0, SND_PCM_HW_PARAM_FORMAT,
route->sformat);
_snd_pcm_hw_params_set(&sparams, 0, SND_PCM_HW_PARAM_SUBFORMAT,
SND_PCM_SUBFORMAT_STD);
} else
links |= (SND_PCM_HW_PARBIT_FORMAT |
SND_PCM_HW_PARBIT_SUBFORMAT |
SND_PCM_HW_PARBIT_SAMPLE_BITS);
if (route->schannels >= 0) {
_snd_pcm_hw_params_set(&sparams, 0, SND_PCM_HW_PARAM_CHANNELS,
route->schannels);
} else {
links |= SND_PCM_HW_PARBIT_CHANNELS;
if (route->sformat < 0)
links |= (SND_PCM_HW_PARBIT_FRAME_BITS |
SND_PCM_HW_PARBIT_FRAGMENT_BYTES |
SND_PCM_HW_PARBIT_BUFFER_BYTES);
}
err = snd_pcm_hw_params2(params, &sparams,
snd_pcm_hw_params, slave, links);
if (err < 0)
return err;
params->info &= ~(SND_PCM_INFO_MMAP | SND_PCM_INFO_MMAP_VALID);
if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
src_format = params->format;
src_format = snd_pcm_hw_params_value(params, SND_PCM_HW_PARAM_FORMAT);
dst_format = slave->format;
} else {
src_format = slave->format;
dst_format = params->format;
dst_format = snd_pcm_hw_params_value(params, SND_PCM_HW_PARAM_FORMAT);
}
route->params.get_idx = get_index(src_format, SND_PCM_FORMAT_U16);
route->params.put_idx = put_index(SND_PCM_FORMAT_U32, dst_format);
@ -622,7 +661,7 @@ static void snd_pcm_route_dump(snd_pcm_t *pcm, FILE *fp)
snd_pcm_ops_t snd_pcm_route_ops = {
close: snd_pcm_route_close,
info: snd_pcm_plugin_info,
hw_info: snd_pcm_route_hw_info,
hw_refine: snd_pcm_route_hw_refine,
hw_params: snd_pcm_route_hw_params,
sw_params: snd_pcm_plugin_sw_params,
dig_info: snd_pcm_plugin_dig_info,