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swr: fix assert failure 

Bug found by: Oana Stratulat
GCI-id: 7211207

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit aa1c590b29)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-12-20 11:23:46 +01:00
parent a1a079dce4
commit 5750a95f8b
1 changed files with 6 additions and 1 deletions
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7
libswresample/swresample.c
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@ -202,7 +202,12 @@ int swr_init(struct SwrContext *s){
if(!s->out.ch_count)
s->out.ch_count= av_get_channel_layout_nb_channels(s->out_ch_layout);
av_assert0(s-> in.ch_count);
if(!s-> in.ch_count){
av_assert0(!s->in_ch_layout);
av_log(s, AV_LOG_ERROR, "Input channel count and layout are unset\n");
return -1;
}
av_assert0(s->used_ch_count);
av_assert0(s->out.ch_count);
s->resample_first= RSC*s->out.ch_count/s->in.ch_count - RSC < s->out_sample_rate/(float)s-> in_sample_rate - 1.0;