[FFmpeg-user] ProRes XQ 12-bit support

Paul B Mahol onemda at gmail.com
Wed Apr 25 12:11:42 EEST 2018

On 4/25/18, Phil Rhodes <phil_rhodes-at-rocketmail.com at ffmpeg.org> wrote:
>> On 4/25/18, Gonzalo Garramuno <ggarra13 at gmail.com> wrote:
>>> El 24/04/18 a las 18:32, Elliott Balsley escribio:
>>>> Here are a few sources stating there is a 12-bit codec.  Are you
>>>> suggesting they are all wrong?
>>> No, he is informing you that there's no 12-bit codec in ffmpeg.
>> Please, do not spread lies.
> In an effort to control the clearly rising temperature of this discussion, I
> think it's worth being clear that this situation is fairly normal. People
> associated with the ffmpeg project have said some extremely ill-informed
> things about factors relevant to film and television postproduction before.
> For instance, a while ago we had someone here arguing against the behaviour
> of Arri's cameras in the recording of RGB ProRes. Back in 2007, there was an
> argument by some very senior project people that drop-frame timecode should
> be omitted because it was seen as untidy. For ages, ffmpeg had very dubious
> handling of colourspace and luminance range conversion because it simply
> wasn't seen as important.
> It's my observation that the people who work on ffmpeg are not
> postproduction engineers. That's fine, but they often will not accept advice
> from their better-informed and more experienced peers, and may be very
> impolite when well-meaning advice is offered. I think that's less fine, but
> hey, I'm not in charge.
> Phil
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