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mpg123/audio_alsa.c  view on Meta::CPAN

	snd_pcm_playback_info_t pi;
	snd_pcm_playback_params_t pp;

	if((err=snd_pcm_playback_info(ai->handle, &pi)) < 0 )
	{
		fprintf(stderr, "playback info failed: %s\n", snd_strerror(err));
		return;	/* not fatal error */
	}

	bzero(&pp, sizeof(pp));
	pp.fragment_size = pi.buffer_size/4;
	if (pp.fragment_size > pi.max_fragment_size) pp.fragment_size = pi.max_fragment_size;
	if (pp.fragment_size < pi.min_fragment_size) pp.fragment_size = pi.min_fragment_size;
	pp.fragments_max = -1;
	pp.fragments_room = 1;

	if((err=snd_pcm_playback_params(ai->handle, &pp)) < 0 )
	{
		fprintf(stderr, "playback params failed: %s\n", snd_strerror(err));
		return; /* not fatal error */
	}
}

int audio_reset_parameters(struct audio_info_struct *ai)
{