[FFmpeg-cvslog] cbs_h264: Fix missing inferred colour description fields

Mark Thompson git at videolan.org
Mon Jul 29 22:03:25 EEST 2019


ffmpeg | branch: master | Mark Thompson <sw at jkqxz.net> | Sun Jul 28 19:23:15 2019 +0100| [f9b8503639c0ff90846f07c92e2fe7836690dd0c] | committer: Mark Thompson

cbs_h264: Fix missing inferred colour description fields

With video_signal_type_present_flag set but colour_description_present_flag
unset the colour fields would not have had their correct values inferred.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f9b8503639c0ff90846f07c92e2fe7836690dd0c
---

 libavcodec/cbs_h264_syntax_template.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavcodec/cbs_h264_syntax_template.c b/libavcodec/cbs_h264_syntax_template.c
index 26be6e590f..1671a15d33 100644
--- a/libavcodec/cbs_h264_syntax_template.c
+++ b/libavcodec/cbs_h264_syntax_template.c
@@ -137,6 +137,10 @@ static int FUNC(vui_parameters)(CodedBitstreamContext *ctx, RWContext *rw,
             ub(8, colour_primaries);
             ub(8, transfer_characteristics);
             ub(8, matrix_coefficients);
+        } else {
+            infer(colour_primaries,         2);
+            infer(transfer_characteristics, 2);
+            infer(matrix_coefficients,      2);
         }
     } else {
         infer(video_format,             5);



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