[FFmpeg-user] Tagging ProRes as BT.709 not BT.601

[Bob Maple]

On 12/21/2012 4:19 PM, Bob Maple wrote:

> I'm noticing that ProRes I make from ffmpeg import into Avid Media
> Composer with blown out levels even though I'm pretty sure the data its
> self is fine.
>
> I'm noticing via MediaInfo however that it thinks the color matrix is
> BT.601 rather than 709, and am wondering if Avid gets confused by not
> seeing it tagged as 709 and is doing something screwy.

Any ideas on this one?

I've been trying to browse through the source and haven't exactly found 
how/where it's getting tagged with 601, nevermind being able to change 
it to 709...