[FFmpeg-devel] evaluating the experimental status of ffv1 version 3

[Peter B.]

Quoting Michael Niedermayer <michaelni at gmx.at>:

> On Tue, Oct 02, 2012 at 03:38:28PM +0200, Peter B. wrote:
>> Is there an error on my side?
>
> maybe
>
> the problem is that you are not working with 16bit material and the
> encoder just stores 10bit because thats what v210x tells it is in
> there, somewhere this ends up introducing a difference
>
>
> if you first convert to 16bit raw and store that seperately then md5s
> match
>
> ... -an -pix_fmt yuv422p16le -vcodec rawvideo  test16.nut

Did that and now the checksums behave as expected. Thanks!

I must admit though, that I was surprised that both raw nut files have  
the identical filesize for yuv422p16le and yuv422p10le. Is that due to  
yuv422p10le being padded to 32bits?

Regards,
Pb