[FFmpeg-user] FFv1: Encode rgb48le?

[Peter B.]

On 06/08/2012 01:22 PM, Paul B Mahol wrote:
> On 6/6/12, Peter B. <pb at das-werkstatt.com> wrote:
>>
>> So, 2 questions about that:
>> 1) When calculating the frame-md5 sums for the rgb48le DPX files, does
>> "RGB0" mean that it's truncated to 32bits?
>>
> Not truncated but scaled, there is no unscaled variant yet.
I see.... Scaling: Didn't think of that. Thanks for the info!

>> 2) How can I encode rgb48le in FFv1?
> Lossless RGB48 encoding is not yet possible, but it can be done by
> adding RGBA64 support and unscaled coversion rgb48 <-> rgba64.
I think I understand.
Out of curiosity: What is the difficulty with RGB48?

Thanks,
Pb