Signed-off-by: Andreas Rheinhardt <[email protected]>
---
libavcodec/h264_ps.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/libavcodec/h264_ps.c b/libavcodec/h264_ps.c
index 1fd7375a13..874790a3a3 100644
--- a/libavcodec/h264_ps.c
+++ b/libavcodec/h264_ps.c
@@ -181,7 +181,11 @@ static inline int decode_vui_parameters(GetBitContext *gb,
void *logctx,
/* chroma_location_info_present_flag */
if (get_bits1(gb)) {
/* chroma_sample_location_type_top_field */
- sps->chroma_location = get_ue_golomb_31(gb) + 1;
+ sps->chroma_location = get_ue_golomb_31(gb);
+ if (sps->chroma_location <= 5U)
+ sps->chroma_location++;
+ else
+ sps->chroma_location = AVCHROMA_LOC_UNSPECIFIED;
get_ue_golomb_31(gb); /* chroma_sample_location_type_bottom_field */
} else
sps->chroma_location = AVCHROMA_LOC_LEFT;
--
2.34.1
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