lavf/id3v2enc: update comment about minimum padding

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
James Darnley 2014-01-02 20:34:35 +01:00 committed by Michael Niedermayer
parent 0de03fd6a1
commit 67270ccd3a

View File

@ -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;