[FFmpeg-devel] [PATCH] Use tkhd matrix for proper display in mov
Thu Jul 24 09:55:53 CEST 2008
Michael Niedermayer wrote:
> On Wed, Jul 23, 2008 at 12:26:39PM -0400, John Schmiederer wrote:
>>> Iam ok with the patch IF it has been tested with several mov and mp4
>>> files and did not break anything.
>> I don't know how much patch-submitter testing counts for, but FWIW below is an outline of what I tested:
>> I had 7 mp4s and 9 movs lying around (not counting the original problem video), none of which had any track header matrix but the default identity matrix. As expected, there was no change in the output videos.
>> Then I modified the tkhd matrices of a mov and a mp4 which were 16x9 videos to make them 4x3, and a mov and a mp4 that were 4x3 videos to make them 16x9. Those four output videos had the correct modified aspect ratio.
> fine, then patch ok
Purple Labs S.A.
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