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swr: check return value of swr_inject_silence/drop_output. 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-05-22 18:54:38 +02:00
parent d9b92980c9
commit 841c1be57e
1 changed files with 6 additions and 2 deletions
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8
libswresample/swresample.c
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@ -762,8 +762,12 @@ int64_t swr_next_pts(struct SwrContext *s, int64_t pts){
if(fabs(fdelta) > s->min_compensation) {
if(!s->outpts || fabs(fdelta) > s->min_hard_compensation){
if(delta > 0) swr_inject_silence(s, delta / s->out_sample_rate);
else swr_drop_output (s, -delta / s-> in_sample_rate);
int ret;
if(delta > 0) ret = swr_inject_silence(s, delta / s->out_sample_rate);
else ret = swr_drop_output (s, -delta / s-> in_sample_rate);
if(ret<0){
av_log(s, AV_LOG_ERROR, "Failed to compensate for timestamp delta of %f\n", fdelta);
}
} else if(s->soft_compensation_duration && s->max_soft_compensation) {
int duration = s->out_sample_rate * s->soft_compensation_duration;
int comp = av_clipf(fdelta, -s->max_soft_compensation, s->max_soft_compensation) * duration ;