lavf/apngdec: properly skip currently unsupported in-stream tags

Signed-off-by: James Almer <jamrial@gmail.com>
Reviewed-by: Benoit Fouet <benoit.fouet@free.fr>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

diff --git a/libavformat/apngdec.c b/libavformat/apngdec.c
index 54fbd29c61665720b38a108747b0c891bf51463f..2af87ad497a36c0b0e2750580cb8c5293ba1fef6 100644 (file)
--- a/libavformat/apngdec.c
+++ b/libavformat/apngdec.c
@@ -373,6 +373,7 @@ static int apng_read_packet(AVFormatContext *s, AVPacket *pkt)
         return 0;
     default:
         avpriv_request_sample(s, "In-stream tag=%#08X len=%"PRId64"", tag, avio_tell(pb));
+        avio_skip(pb, len + 4);
     }
 
     /* Handle the unsupported yet cases */