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fixed possible division by zero

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8445 b3059339-0415-0410-9bf9-f77b7e298cf2
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henry 2002-12-14 09:55:45 +00:00
parent f824a8ff31
commit e4723bc3eb
1 changed files with 6 additions and 1 deletions
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7
libmpdemux/tvi_v4l.c
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@ -1404,7 +1404,12 @@ static void *audio_grabber(void *data)
// stress testing by dropping half of the audio frames ;)
// especially when using ALSA with large block sizes
// where audio_skew remains a long while behind
priv->audio_skew_factor = (double)(priv->audio_skew-prev_skew)/(current_time - priv->audio_skew_measure_time);
if ((priv->audio_skew_measure_time != 0) && (current_time - priv->audio_skew_measure_time != 0)) {
priv->audio_skew_factor = (double)(priv->audio_skew-prev_skew)/(current_time - priv->audio_skew_measure_time);
} else {
priv->audio_skew_factor = 0.0;
}
priv->audio_skew_measure_time = current_time;
prev_skew = priv->audio_skew;
pthread_mutex_unlock(&priv->skew_mutex);