{
rate = wave->sample_rate;
channels = wave->num_channels;
- snd_pcm_set_params(alsa_handle,
- SND_PCM_FORMAT_S16,
- SND_PCM_ACCESS_RW_INTERLEAVED,
- channels,
- rate,
- 1,
- 100000);
+ err = snd_pcm_set_params(alsa_handle,
+ SND_PCM_FORMAT_S16,
+ SND_PCM_ACCESS_RW_INTERLEAVED,
+ channels,
+ rate,
+ 1,
+ 100000);
+ if (err < 0)
+ fprintf(stderr, "alsa set_params error %s\n",
+ strerror(-err));
}
- snd_pcm_prepare(alsa_handle);
+ err = snd_pcm_prepare(alsa_handle);
+ if (err < 0)
+ fprintf(stderr, "alsa pcm_prepare error %s\n",
+ strerror(-err));
err = snd_pcm_writei(alsa_handle,
wave->samples,
wave->num_samples);