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avcodec/h264_slice: do not skip 2nd field if first was not skipped

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Found-by: John Högberg <john.hogberg@ericsson.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-07-28 11:40:57 +02:00
parent 9c41126e1b
commit accc91642b
1 changed files with 10 additions and 8 deletions
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2
libavcodec/h264_slice.c
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@ -1212,6 +1212,7 @@ int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl)
return AVERROR_INVALIDDATA;
}
if (h->current_slice == 0 && !h->first_field) {
if (
(h->avctx->skip_frame >= AVDISCARD_NONREF && !h->nal_ref_idc) ||
(h->avctx->skip_frame >= AVDISCARD_BIDIR && sl->slice_type_nos == AV_PICTURE_TYPE_B) ||
@ -1220,6 +1221,7 @@ int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl)
h->avctx->skip_frame >= AVDISCARD_ALL) {
return SLICE_SKIPED;
}
}
// to make a few old functions happy, it's wrong though
if (!h->setup_finished)