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authorJames Darnley <james.darnley@gmail.com>2014-01-02 20:34:35 +0100
committerMichael Niedermayer <michaelni@gmx.at>2014-01-24 22:52:33 +0100
commit67270ccd3af97321958396d237f5a442132a9296 (patch)
tree55e964e13a19840f2e5227849db5226620bfdc25 /libavformat/id3v2enc.c
parent0de03fd6a1f1eed8ca18908fc9529b36508ac144 (diff)
downloadffmpeg-67270ccd3af97321958396d237f5a442132a9296.tar.gz
lavf/id3v2enc: update comment about minimum padding
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat/id3v2enc.c')
-rw-r--r--libavformat/id3v2enc.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/libavformat/id3v2enc.c b/libavformat/id3v2enc.c
index 8bb5392a03..4d555b3d24 100644
--- a/libavformat/id3v2enc.c
+++ b/libavformat/id3v2enc.c
@@ -333,11 +333,10 @@ void ff_id3v2_finish(ID3v2EncContext *id3, AVIOContext *pb,
/* The ID3v2.3 specification states that 28 bits are used to represent the
* size of the whole tag. Therefore the current size of the tag needs to be
* subtracted from the upper limit of 2^28-1 to clip the value correctly. */
+ /* The minimum of 10 is an arbitrary amount of padding at the end of the tag
+ * to fix cover art display with some software such as iTunes, Traktor,
+ * Serato, Torq. */
padding_bytes = av_clip(padding_bytes, 10, 268435455 - id3->len);
-
- /* adding an arbitrary amount of padding bytes at the end of the
- * ID3 metadata fixes cover art display for some software (iTunes,
- * Traktor, Serato, Torq) */
ffio_fill(pb, 0, padding_bytes);
id3->len += padding_bytes;