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Code Issues Releases Activity

h264_slice: Fix return of incomplete frames from decoder

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When not using libavformat for demuxing, AVCodecContext.has_b_frames
gets set too late causing the recovery frame heuristic in h264_refs to
incorrectly flag an early frame as recovered.

This patch sets has_b_frames earlier to prevent improperly flagging the
frame as recovered.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
John Stebbins 2018-06-27 15:12:24 -07:00 committed by Michael Niedermayer
parent 872ea3dfe5
commit 08b1d1d812
1 changed files with 5 additions and 0 deletions
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5
libavcodec/h264_slice.c
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@ -1407,6 +1407,11 @@ static int h264_field_start(H264Context *h, const H264SliceContext *sl,
sps = h->ps.sps;
if (sps && sps->bitstream_restriction_flag &&
h->avctx->has_b_frames < sps->num_reorder_frames) {
h->avctx->has_b_frames = sps->num_reorder_frames;
}
last_pic_droppable = h->droppable;
last_pic_structure = h->picture_structure;
h->droppable = (nal->ref_idc == 0);