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lavc: set AVSubtitle.pts if possible. 

If the packet has a PTS and the corresponding time base is known,
set the pts field of the decoded subtitle structure before the
call to the decoder. The decoder is still allowed to change the
PTS if necessary.
This commit is contained in:
Nicolas George 2012-09-09 16:00:06 +02:00
parent 1b9a251438
commit 9dd8272431
1 changed files with 3 additions and 0 deletions
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3
libavcodec/utils.c
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@ -1701,6 +1701,9 @@ int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
avctx->pkt = avpkt;
*got_sub_ptr = 0;
avcodec_get_subtitle_defaults(sub);
if (avctx->pkt_timebase.den && avpkt->pts != AV_NOPTS_VALUE)
sub->pts = av_rescale_q(avpkt->pts,
avctx->pkt_timebase, AV_TIME_BASE_Q);
ret = avctx->codec->decode(avctx, sub, got_sub_ptr, avpkt);
if (*got_sub_ptr)
avctx->frame_number++;