/* I/O error handler */
static void xrun(void)
{
snd_pcm_status_t *status;
int res;
snd_pcm_status_alloca(&status);
if ((res = snd_pcm_status(handle, status))<0) {
error(_("status error: %s"), snd_strerror(res));
exit(EXIT_FAILURE);
}
if (snd_pcm_status_get_state(status) == SND_PCM_STATE_XRUN) {
struct timeval now, diff, tstamp;
gettimeofday(&now, 0);
snd_pcm_status_get_trigger_tstamp(status, &tstamp);
timersub(&now, &tstamp, &diff);
fprintf(stderr, _("%s!!! (at least %.3f ms long)\n"),
stream == SND_PCM_STREAM_PLAYBACK ? _("underrun") : _("overrun"),
diff.tv_sec * 1000 + diff.tv_usec / 1000.0);
if (verbose) {
fprintf(stderr, _("Status:\n"));
snd_pcm_status_dump(status, log);
}
if ((res = snd_pcm_prepare(handle))<0) {
error(_("xrun: prepare error: %s"), snd_strerror(res));
exit(EXIT_FAILURE);
}
return; /* ok, data should be accepted again */
} if (snd_pcm_status_get_state(status) == SND_PCM_STATE_DRAINING) {
if (verbose) {
fprintf(stderr, _("Status(DRAINING):\n"));
snd_pcm_status_dump(status, log);
}
if (stream == SND_PCM_STREAM_CAPTURE) {
fprintf(stderr, _("capture stream format change? attempting recover...\n"));
if ((res = snd_pcm_prepare(handle))<0) {
error(_("xrun(DRAINING): prepare error: %s"), snd_strerror(res));
exit(EXIT_FAILURE);
}
return;
}
}
if (verbose) {
fprintf(stderr, _("Status(R/W):\n"));
snd_pcm_status_dump(status, log);
}
error(_("read/write error, state = %s"), snd_pcm_state_name(snd_pcm_status_get_state(status)));
exit(EXIT_FAILURE);
}
int ai_alsa_xrun(audio_in_t *ai)
{
snd_pcm_status_t *status;
int res;
snd_pcm_status_alloca(&status);
if ((res = snd_pcm_status(ai->alsa.handle, status))<0) {
mp_tmsg(MSGT_TV, MSGL_ERR, "ALSA status error: %s", snd_strerror(res));
return -1;
}
if (snd_pcm_status_get_state(status) == SND_PCM_STATE_XRUN) {
struct timeval now, diff, tstamp;
gettimeofday(&now, 0);
snd_pcm_status_get_trigger_tstamp(status, &tstamp);
timersub(&now, &tstamp, &diff);
mp_tmsg(MSGT_TV, MSGL_ERR, "ALSA xrun!!! (at least %.3f ms long)\n",
diff.tv_sec * 1000 + diff.tv_usec / 1000.0);
if (mp_msg_test(MSGT_TV, MSGL_V)) {
mp_tmsg(MSGT_TV, MSGL_ERR, "ALSA Status:\n");
snd_pcm_status_dump(status, ai->alsa.log);
}
if ((res = snd_pcm_prepare(ai->alsa.handle))<0) {
mp_tmsg(MSGT_TV, MSGL_ERR, "ALSA xrun: prepare error: %s", snd_strerror(res));
return -1;
}
return 0; /* ok, data should be accepted again */
}
mp_tmsg(MSGT_TV, MSGL_ERR, "ALSA read/write error");
return -1;
}
int ai_alsa_xrun(audio_in_t *ai)
{
snd_pcm_status_t *status;
int res;
snd_pcm_status_alloca(&status);
if ((res = snd_pcm_status(ai->alsa.handle, status))<0) {
mp_msg(MSGT_TV, MSGL_ERR, MSGTR_MPDEMUX_AIALSA_AlsaStatusError, snd_strerror(res));
return -1;
}
if (snd_pcm_status_get_state(status) == SND_PCM_STATE_XRUN) {
struct timeval now, diff, tstamp;
gettimeofday(&now, 0);
snd_pcm_status_get_trigger_tstamp(status, &tstamp);
timersub(&now, &tstamp, &diff);
mp_msg(MSGT_TV, MSGL_ERR, MSGTR_MPDEMUX_AIALSA_AlsaXRUN,
diff.tv_sec * 1000 + diff.tv_usec / 1000.0);
if (mp_msg_test(MSGT_TV, MSGL_V)) {
mp_msg(MSGT_TV, MSGL_ERR, "ALSA Status:\n");
snd_pcm_status_dump(status, ai->alsa.log);
}
if ((res = snd_pcm_prepare(ai->alsa.handle))<0) {
mp_msg(MSGT_TV, MSGL_ERR, MSGTR_MPDEMUX_AIALSA_AlsaXRUNPrepareError, snd_strerror(res));
return -1;
}
return 0; /* ok, data should be accepted again */
}
mp_msg(MSGT_TV, MSGL_ERR, MSGTR_MPDEMUX_AIALSA_AlsaReadWriteError);
return -1;
}
void showstat(snd_pcm_t *handle, size_t frames)
{
int err;
snd_pcm_status_t *status;
snd_pcm_status_alloca(&status);
if ((err = snd_pcm_status(handle, status)) < 0) {
printf("Stream status error: %s\n", snd_strerror(err));
exit(0);
}
printf("*** frames = %li ***\n", (long)frames);
snd_pcm_status_dump(status, output);
}
void alsamm_showstat(snd_pcm_t *handle)
{
int err;
snd_pcm_status_t *status;
snd_output_t *output = NULL;
snd_pcm_status_alloca(&status);
if ((err = snd_pcm_status(handle, status)) < 0) {
check_error(err, "Get Stream status error");
return;
}
snd_pcm_status_dump(status, alsa_stdout);
}
