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Added support for default config

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This commit is contained in:
Taylor Holberton
2016-10-14 20:05:30 -04:00
parent 6a38d5fa49
commit f319eb0c88
1 changed files with 15 additions and 3 deletions
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src/pcm.c
+15 -3
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@@ -796,10 +796,22 @@ struct pcm *pcm_open(unsigned int card, unsigned int device,
int rc;
pcm = calloc(1, sizeof(struct pcm));
if (!pcm || !config)
return &bad_pcm; /* TODO: could support default config here */
if (!pcm)
return &bad_pcm;
pcm->config = *config;
if (config == NULL) {
config = &pcm->config;
config->channels = 2;
config->rate = 48000;
config->period_size = 1024;
config->period_count = 4;
config->format = PCM_FORMAT_S16_LE;
config->start_threshold = config->period_count * config->period_size;
config->stop_threshold = config->period_count * config->period_size;
config->silence_threshold = 0;
} else {
pcm->config = *config;
}
snprintf(fn, sizeof(fn), "/dev/snd/pcmC%uD%u%c", card, device,
flags & PCM_IN ? 'c' : 'p');