[FFmpeg-user] high at L4.1 to high at L4.0

[Tom Evans]

On Mon, May 13, 2013 at 4:42 PM, Carl Lindqvist <lulebo at gmail.com> wrote:
>> Is it possible to take a MKV wrapped H.264 file that was set to high at L4.1
>> and change it to high at L4.0 when copying the video and audio to a new MP4 file?
>>
>> Thanks.
>>
>> MB
>
>
> If the video does indeed conform to L4.0 and you just want to change
> the metadata, that is possible. I'm not sure how to do it with ffmpeg
> or if it's possible, maybe someone knows. There are other tools that
> can do it if you don't need to integrate it into some current
> workflow. Here is an example:
>
> http://www.videohelp.com/tools/H264-AVC-Level-Editor

Am I right in thinking that the only differences between high at 4.0 and
high at 4.1 are in maximum supported bitrate, from 25 Mbit/s to 60
Mbit/s?

Cheers

Tom