[FFmpeg-devel] tkhd transformation matrix in mov is ignored except for width/height and scaling

Samuel Gendler sgendler
Tue Nov 3 16:17:14 CET 2009

On Mon, Nov 2, 2009 at 12:22 PM, Michael Niedermayer <michaelni at gmx.at>wrote:
> 1. The matrix should be put in AVStream
> 2. AVOutputFormat needs a new flag that indicates that a muxer is capable
> of
>   storing such a matrix.
> 3. ffmpeg should copy such matrix to the output AVStream when the
>   output muxer has that flag or if the flag is not set insert a avfilter
> that can
>   apply such matrix to all images
> 3b. write such avfilter
> 4. the mov muxer should write the matrix from AVStream into the output file
I'll see if I can't figure out how to do all of that.

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