[FFmpeg-user] ffmpeg choses variable framerate for 1080p video only

[Roger Pack]

> i run the exact command i specified, then change the resolution ONLY
> to 1280x720 then inspect the video with mediainfo. the 720p video show
> constant frame rate while the 1080p show variable frame rate.
> also the 720p video will play on a ps3 while the 1080p video will not.
> ONLY the resolution was changed in between.

what is your output of running ffmpeg -i "file" with 720p versus
1080p? Does ffmpeg seem to think the file is variable frame rate?