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make callback honor should_run

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The callback should return and abort synthesis if should_run is 0.  This
fixes slow shutdown times in alsa mode.
This commit is contained in:
William Hubbs 2009-07-01 12:22:14 -05:00
commit 32d848cb76
1 changed files with 3 additions and 3 deletions
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6
alsa.c
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@ -74,12 +74,12 @@ static int alsa_callback(short *audio, int numsamples, espeak_EVENT * events)
int rc = 0;
lock_audio_mutex();
if (stop_requested) {
if (stop_requested || !should_run) {
unlock_audio_mutex();
return 1;
}
while (numsamples > 0 && ! stop_requested) {
while (numsamples > 0 && (! stop_requested && should_run)) {
avail = snd_pcm_avail_update(handle);
if (avail <= 0) {
if (avail < 0)
@ -95,7 +95,7 @@ static int alsa_callback(short *audio, int numsamples, espeak_EVENT * events)
audio += samples_written;
}
}
rc = stop_requested;
rc = (stop_requested || !should_run);
unlock_audio_mutex();
return rc;
}