ffmpeg | branch: master | Mark Thompson <[email protected]> | Mon May  7 23:05:52 
2018 +0100| [4c9741a1dddf8fd616da112a915413651d7ddd37] | committer: Mark 
Thompson

cbs_h264: Fix handling of unknown SEI

The user should only interact directly with the data length, not the
payload size.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4c9741a1dddf8fd616da112a915413651d7ddd37
---

 libavcodec/cbs_h264_syntax_template.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/libavcodec/cbs_h264_syntax_template.c 
b/libavcodec/cbs_h264_syntax_template.c
index 3ec4299915..b789207e33 100644
--- a/libavcodec/cbs_h264_syntax_template.c
+++ b/libavcodec/cbs_h264_syntax_template.c
@@ -761,8 +761,11 @@ static int FUNC(sei_payload)(CodedBitstreamContext *ctx, 
RWContext *rw,
         break;
     default:
         {
-            allocate(current->payload.other.data, current->payload_size);
-            for (i = 0; i < current->payload_size; i++)
+#ifdef READ
+            current->payload.other.data_length = current->payload_size;
+#endif
+            allocate(current->payload.other.data, 
current->payload.other.data_length);
+            for (i = 0; i < current->payload.other.data_length; i++)
                 xu(8, payload_byte[i], current->payload.other.data[i], 0, 255, 
1, i);
         }
     }

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