diff options
| -rw-r--r-- | libavcodec/h264_cabac.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libavcodec/h264_cabac.c b/libavcodec/h264_cabac.c index 04d412b74b..deab35a3d9 100644 --- a/libavcodec/h264_cabac.c +++ b/libavcodec/h264_cabac.c @@ -1540,8 +1540,12 @@ static int decode_cabac_mb_mvd(H264SliceContext *sl, int ctxbase, int amvd, int int amvd1 = sl->mvd_cache[list][scan8[n] - 1][1] +\ sl->mvd_cache[list][scan8[n] - 8][1];\ \ - mx += decode_cabac_mb_mvd(sl, 40, amvd0, &mpx);\ - my += decode_cabac_mb_mvd(sl, 47, amvd1, &mpy);\ + int mxd = decode_cabac_mb_mvd(sl, 40, amvd0, &mpx);\ + int myd = decode_cabac_mb_mvd(sl, 47, amvd1, &mpy);\ + if (mxd == INT_MIN || myd == INT_MIN) \ + return AVERROR_INVALIDDATA; \ + mx += mxd;\ + my += myd;\ } static av_always_inline int get_cabac_cbf_ctx(H264SliceContext *sl, |