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Avoid potential NULL dereference

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This commit is contained in:
Chris Robinson 2012-12-11 19:32:10 -08:00
parent fe384a1600
commit 9e2d4f8b7c
1 changed files with 3 additions and 7 deletions
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10
apps/openmw/mwrender/videoplayer.cpp
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@ -142,16 +142,12 @@ namespace MWRender
} }
double get_audio_clock(VideoState *is) { double get_audio_clock(VideoState *is) {
double pts; double pts;
int hw_buf_size, bytes_per_sec, n;
pts = is->audio_clock; /* maintained in the audio thread */ pts = is->audio_clock; /* maintained in the audio thread */
hw_buf_size = is->audio_buf_size - is->audio_buf_index;
bytes_per_sec = 0;
n = is->audio_st->codec->channels * 2;
if(is->audio_st) { if(is->audio_st) {
bytes_per_sec = is->audio_st->codec->sample_rate * n; int n = is->audio_st->codec->channels * 2;
} int bytes_per_sec = is->audio_st->codec->sample_rate * n;
if(bytes_per_sec) { int hw_buf_size = is->audio_buf_size - is->audio_buf_index;
pts -= (double)hw_buf_size / bytes_per_sec; pts -= (double)hw_buf_size / bytes_per_sec;
} }
return pts; return pts;