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lavc: use packet duration for subtitles if necessary.

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Fix trac ticket #2397.
This commit is contained in:
Nicolas George 2013-03-24 15:52:28 +01:00
parent cdafcf838c
commit 83affcde51
1 changed files with 8 additions and 0 deletions
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8
libavcodec/utils.c
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@ -2229,6 +2229,14 @@ int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
ret = avctx->codec->decode(avctx, sub, got_sub_ptr, &pkt_recoded);
av_assert1((ret >= 0) >= !!*got_sub_ptr &&
!!*got_sub_ptr >= !!sub->num_rects);
if (sub->num_rects && !sub->end_display_time && avpkt->duration &&
avctx->pkt_timebase.num) {
AVRational ms = { 1, 1000 };
sub->end_display_time = av_rescale_q(avpkt->duration,
avctx->pkt_timebase, ms);
}
if (tmp.data != pkt_recoded.data) { // did we recode?
/* prevent from destroying side data from original packet */
pkt_recoded.side_data = NULL;