int ai_alsa_init(audio_in_t *ai)
{
int err;
err = snd_pcm_open(&ai->alsa.handle, ai->alsa.device, SND_PCM_STREAM_CAPTURE, 0);
if (err < 0) {
mp_tmsg(MSGT_TV, MSGL_ERR, "Error opening audio: %s\n", snd_strerror(err));
return -1;
}
err = snd_output_stdio_attach(&ai->alsa.log, stderr, 0);
if (err < 0) {
return -1;
}
err = ai_alsa_setup(ai);
return err;
}
int audio_in_set_samplerate(audio_in_t *ai, int rate)
{
switch (ai->type) {
#ifdef CONFIG_ALSA
case AUDIO_IN_ALSA:
ai->req_samplerate = rate;
if (!ai->setup) return 0;
if (ai_alsa_setup(ai) < 0) return -1;
return ai->samplerate;
#endif
#ifdef CONFIG_OSS_AUDIO
case AUDIO_IN_OSS:
ai->req_samplerate = rate;
if (!ai->setup) return 0;
if (ai_oss_set_samplerate(ai) < 0) return -1;
return ai->samplerate;
#endif
default:
return -1;
}
}
int audio_in_set_channels(audio_in_t *ai, int channels)
{
switch (ai->type) {
#ifdef CONFIG_ALSA
case AUDIO_IN_ALSA:
ai->req_channels = channels;
if (!ai->setup) return 0;
if (ai_alsa_setup(ai) < 0) return -1;
return ai->channels;
#endif
#ifdef CONFIG_OSS_AUDIO
case AUDIO_IN_OSS:
ai->req_channels = channels;
if (!ai->setup) return 0;
if (ai_oss_set_channels(ai) < 0) return -1;
return ai->channels;
#endif
default:
return -1;
}
}
