Quote:
Originally Posted by benwaggoner
The ES is generally what players go by, so it'd go for that. The MP4 headers can be wrong, and often give the average fps for variable frame rate content, which isn't that helpful.
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Indeed... Even back in the old MPEG-4 Part 2 encoding days, it soon became apparent after .mp4 container support was added to hardware playback devices, that the fps data needed to be added to the elementary video stream, not the container. Same too with the aspect ratio signalling.