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Cleaned all hw_info. Removed snd_pcm_hw_{info,params}_rules* and changed strategy to allow the same functionality. Cleaned names tables. Added informative failure

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This commit is contained in:
Abramo Bagnara 2000-11-29 08:32:36 +00:00
parent ae549cf739
commit b9916fd7fe
15 changed files with 1098 additions and 2107 deletions
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50
src/pcm/pcm_share.c
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@ -455,34 +455,38 @@ static int snd_pcm_share_hw_info(snd_pcm_t *pcm, snd_pcm_hw_info_t *info)
access_mask = info->access_mask;
if (access_mask == 0)
return -EINVAL;
if (info->channels_min < share->channels_count)
info->channels_min = share->channels_count;
if (info->channels_max > share->channels_count)
info->channels_max = share->channels_count;
if (info->channels_max > info->channels_max)
return -EINVAL;
if (slave->format >= 0) {
info->format_mask &= 1U << slave->format;
if (!info->format_mask)
return -EINVAL;
}
if (info->channels_min < share->channels_count)
info->channels_min = share->channels_count;
if (info->channels_max > share->channels_count)
info->channels_max = share->channels_count;
if (info->channels_min > info->channels_max)
return -EINVAL;
if (slave->rate >= 0) {
if (info->rate_min < (unsigned)slave->rate)
info->rate_min = slave->rate;
if (info->rate_max > (unsigned)slave->rate)
info->rate_max = slave->rate;
if (info->rate_max > info->rate_max)
if (info->rate_min > info->rate_max)
return -EINVAL;
}
info->access_mask = SND_PCM_ACCBIT_MMAP;
info->channels_min = info->channels_max = slave->channels_count;
err = snd_pcm_hw_info(slave->pcm, info);
if (info->channels_min <= info->channels_max)
info->channels_min = info->channels_max = share->channels_count;
if (info->access_mask)
info->access_mask = access_mask;
info->access_mask = access_mask;
info->channels_min = info->channels_max = share->channels_count;
if (err < 0)
return err;
info->info |= SND_PCM_INFO_DOUBLE;
return err;
return 0;
}
static int snd_pcm_share_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
@ -494,15 +498,21 @@ static int snd_pcm_share_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
Pthread_mutex_lock(&slave->mutex);
if (slave->setup_count > 1 ||
(slave->setup_count == 1 && !pcm->setup)) {
if (params->access != spcm->access ||
params->format != spcm->format ||
params->subformat != spcm->subformat ||
params->rate != spcm->rate ||
params->fragments != spcm->fragments ||
params->fragment_size != spcm->fragment_size) {
ERR("slave is already running with different setup");
params->fail_mask = 0;
if (params->format != spcm->format)
params->fail_mask |= SND_PCM_HW_PARBIT_FORMAT;
return -EBUSY;
if (params->subformat != spcm->subformat)
params->fail_mask |= SND_PCM_HW_PARBIT_SUBFORMAT;
if (params->rate != spcm->rate)
params->fail_mask |= SND_PCM_HW_PARBIT_RATE;
if (params->fragments != spcm->fragments)
params->fail_mask |= SND_PCM_HW_PARBIT_FRAGMENTS;
if (params->fragment_size != spcm->fragment_size)
params->fail_mask |= SND_PCM_HW_PARBIT_FRAGMENT_SIZE;
if (params->fail_mask) {
ERR("slave is already running with different setup");
err = -EBUSY;
goto _end;
}
} else {
snd_pcm_hw_params_t sparams = *params;