[FFmpeg-user] Converting Interlaced MPEG-2 video in MKV container to MP4 container

[Lou]

On Mon, 19 Jan 2015 21:26:54 -0800
"Gary Cattelino" <gcattelino at roadrunner.com> wrote:

> I'm using the latest windows ffmpeg build. To change interlaced MPEG-2
> video from a mkv to mp4 container, the command I'm using is "ffmpeg -i
> input.mkv -vcodec copy -acodec copy out.mp4".  I'm concerned that the
> out.mp4 file has a variable frame rate, while the input.mkv file has a
> constant frame rate of 29.970:

The complete ffmpeg console output from your command is missing.

How do you know that mediainfo isn't the problem?