Esempi in C++ (Cpp) per snd_pcm_dshare_start_timer

Esempio n. 1

File: pcm_dshare.c Progetto: takaswie/alsa-lib

static int snd_pcm_dshare_start(snd_pcm_t *pcm)
{
	snd_pcm_direct_t *dshare = pcm->private_data;
	snd_pcm_sframes_t avail;
	int err;
	
	if (dshare->state != SND_PCM_STATE_PREPARED)
		return -EBADFD;
	avail = snd_pcm_mmap_playback_hw_avail(pcm);
	if (avail == 0)
		dshare->state = STATE_RUN_PENDING;
	else if (avail < 0)
		return 0;
	else {
		if ((err = snd_pcm_dshare_start_timer(dshare)) < 0)
			return err;
		snd_pcm_dshare_sync_area(pcm);
	}
	gettimestamp(&dshare->trigger_tstamp, pcm->tstamp_type);
	return 0;
}

Esempio n. 2

File: pcm_dshare.c Progetto: ysei/uclinux-2

static int snd_pcm_dshare_start(snd_pcm_t *pcm)
{
	snd_pcm_direct_t *dshare = pcm->private_data;
	snd_pcm_sframes_t avail;
	struct timeval tv;
	int err;
	
	if (dshare->state != SND_PCM_STATE_PREPARED)
		return -EBADFD;
	avail = snd_pcm_mmap_playback_hw_avail(pcm);
	if (avail == 0)
		dshare->state = STATE_RUN_PENDING;
	else if (avail < 0)
		return 0;
	else {
		if ((err = snd_pcm_dshare_start_timer(dshare)) < 0)
			return err;
		snd_pcm_dshare_sync_area(pcm);
	}
	gettimeofday(&tv, 0);
	dshare->trigger_tstamp.tv_sec = tv.tv_sec;
	dshare->trigger_tstamp.tv_nsec = tv.tv_usec * 1000L;
	return 0;
}