[FFmpeg-devel] [PATCH] mov: support for Quicktime CLEF/TAPT atoms

[Bram Senders]

Hi,

FFmpeg does not currently support the Quicktime CLEF (Track Clean
Aperture Dimensions) and TAPT (Track Aperture Mode Dimensions) atoms.
(See https://developer.apple.com/library/mac/#documentation/QuickTime/QTFF/QTFFChap2/qtff2.html)
These atoms are necessary for detecting the correct dimensions for
some videos, since they take precedence in Quicktime over the normal
TKHD (track header) width/height and over the track PASP (pixel aspect
ratio).

The attached patch adds support for these atoms. Sample videos can be
found at https://ffmpeg.org/trac/ffmpeg/ticket/1485.

Cheery regards,
Bram Senders
-------------- next part --------------
A non-text attachment was scrubbed...
Name: quicktime_clef_tapt_support.patch
Type: application/octet-stream
Size: 2735 bytes
Desc: not available
URL: <http://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20120628/058b8e7d/attachment.obj>