[FFmpeg-devel] [PATCH 3/3] id3v2: don't overwrite existing tags

[Anton Khirnov]

Apparrently some broken taggers append a new ID3v2 tag leaving the
existing one intact. Our parser currently reads all tags and overwrites
existing values with supposedly outdated ones.

fixes issue2419
---
 libavformat/id3v2.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/libavformat/id3v2.c b/libavformat/id3v2.c
index 715b8f6..bbe9d52 100644
--- a/libavformat/id3v2.c
+++ b/libavformat/id3v2.c
@@ -157,7 +157,7 @@ static void read_ttag(AVFormatContext *s, ByteIOContext *pb, int taglen, const c
         val = dst;
 
     if (val)
-        av_metadata_set2(&s->metadata, key, val, 0);
+        av_metadata_set2(&s->metadata, key, val, AV_METADATA_DONT_OVERWRITE);
 }
 
 static void ff_id3v2_parse(AVFormatContext *s, int len, uint8_t version, uint8_t flags)
-- 
1.7.2.3