[FFmpeg-user] ffmpeg MP4/x264 output colours change when input source is different resolution (bug?)

Paul B Mahol onemda at gmail.com
Fri Sep 16 16:38:51 EEST 2022

On 9/16/22, Dan <twinbee42 at skytopia.com> wrote:
>> showinfo filter shows video frame color metadata to output of console,
>> nothing less - nothing more. showinfo cant produce incorrect video, if
>> you ever bothered to read documentation you would know.
> By the way, just to clarify, I wasn't talking about the console output, but
> the window it opened up alongside (on the right), which showed the green
> was darker.
>> Nobody is wrong. Everybody is correct. Your file is encoded so badly
>> that it should be immediately removed from existence.
> In the end, I used "-colorspace fcc" which seems to have fixed the issue.
> A shame we needed to research that, since it looks like fcc should be
> the default, at least for a large subset of Windows systems.

It is evident that your knowledge is exactly 0.
FCC colorspace is not correct way to represent encoded material.

Use -color_range flags.

> Dan
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