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make sure that snd_pcm_drop is successful.

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This was suggested by Kirk Reiser and Chris Brannon.
This commit is contained in:
William Hubbs 2009-06-27 13:32:43 -05:00
commit 87ab6c6ea8
1 changed files with 8 additions and 1 deletions
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9
alsa.c
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@ -58,13 +58,20 @@ static int alsa_callback(short *audio, int numsamples, espeak_EVENT * events)
int samples_written = 0;
int avail;
int to_write;
int rc;
snd_pcm_state_t state;
int user_data_new;
pthread_mutex_lock(&audio_mutex);
user_data_new = *(int *) events->user_data;
if (stop_requested) {
snd_pcm_drop(handle);
rc = snd_pcm_drop(handle);
while(rc < 0) {
fprintf(stderr, "Negative return from snd_pcm_drop!\n");
/* Try to reset stream. */
snd_pcm_prepare(handle);
rc = snd_pcm_drop(handle);
}
stop_requested = 0;
discarding_packets = 1;
}