[FFmpeg-devel] [PATCH 2/2] lavf/apngdec: print currently unsupported in-stream tags in a readable form

[James Almer]

Also use length and not stream position

Signed-off-by: James Almer <jamrial at gmail.com>
---
 libavformat/apngdec.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/libavformat/apngdec.c b/libavformat/apngdec.c
index 2af87ad..ce62190 100644
--- a/libavformat/apngdec.c
+++ b/libavformat/apngdec.c
@@ -372,8 +372,13 @@ static int apng_read_packet(AVFormatContext *s, AVPacket *pkt)
             return ret;
         return 0;
     default:
-        avpriv_request_sample(s, "In-stream tag=%#08X len=%"PRId64"", tag, avio_tell(pb));
+        {
+        char tag_buf[5];
+
+        av_get_codec_tag_string(tag_buf, sizeof(tag_buf), tag);
+        avpriv_request_sample(s, "In-stream tag=%s len=%"PRIu32, tag_buf, len);
         avio_skip(pb, len + 4);
+        }
     }
 
     /* Handle the unsupported yet cases */
-- 
2.1.3