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Merge commit 'cb167f2947f1a2c446bd8db196d0e64ef4a6d06b'

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* commit 'cb167f2947f1a2c446bd8db196d0e64ef4a6d06b':
  h264_refs: validate the SPS pointer in ff_h264_execute_ref_pic_marking()

Merged-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2017-10-30 20:40:28 -03:00
commit 0e5a47693c
1 changed files with 7 additions and 0 deletions
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7
libavcodec/h264_refs.c
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@ -614,6 +614,12 @@ int ff_h264_execute_ref_pic_marking(H264Context *h)
int current_ref_assigned = 0, err = 0;
H264Picture *av_uninit(pic);
if (!h->ps.sps) {
av_log(h->avctx, AV_LOG_ERROR, "SPS is unset\n");
err = AVERROR_INVALIDDATA;
goto out;
}
if (!h->explicit_ref_marking)
generate_sliding_window_mmcos(h);
mmco_count = h->nb_mmco;
@ -817,6 +823,7 @@ int ff_h264_execute_ref_pic_marking(H264Context *h)
h->frame_recovered |= FRAME_RECOVERED_SEI;
}
out:
return (h->avctx->err_recognition & AV_EF_EXPLODE) ? err : 0;
}