On Wed, Apr 7, 2021 at 10:00 PM Derek Buitenhuis <derek.buitenh...@gmail.com> wrote:
> On 07/04/2021 19:56, Vittorio Giovara wrote: > > My OS doesn't even let me install Quicktime 7, if anybody could chime in > > and help solve this point it would be much appreciated. > > Alternatively, I'd say we shouldn't cargo cult broken files generated by > 11 > > year old software, but if people disagree we can leave things as they > are. > > For MP4, at least, there is a definitive answer from ISO/IEC > > The pixel aspect ratio and clean aperture of the video may be > specified using the ‘pasp’ and ‘clap’ > sample entry boxes, respectively. These are both optional; if present, > they over-ride the declarations (if any) in > structures specific to the video codec, which structures should be > examined if these boxes are absent. For > maximum compatibility, these boxes should follow, not precede, any > boxes defined in or required by derived > specifications. > If no other comments/objections i'll fold this paragraph in the commit log (thanks Derek) and push tomorrow. -- Vittorio _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
