[FFmpeg-user] Meaning of -color_range 2 ?

[Paul B Mahol]

On 10/1/23, Ulf Zibis <Ulf.Zibis at cosoco.de> wrote:
>
> Am 01.10.23 um 12:02 schrieb Ulf Zibis:
>> Hi,
>>
>> I guess it stands for "-color_range limited", but even that I don't
>> understand what it means.
>> Where does the calculation "MPEG (219*2^(n-8))" come from?
> And how can I know, in which version of FFMPEG this patch was released?
>
> https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=7ca71b79f2b3256a0eef1a099b857ac9e4017e36
>

By searching for that commit log in git log of branch you use currently.
By searching the source code of branch you use currently to have that
added/changed lines from such commit log.
By looking at date of commit and comparing to date of release of
FFmpeg version currently used.

> -Ulf
>
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