[FFmpeg-user] trouble confirming ffv1 lossless encode

Peter B. pb at das-werkstatt.com
Fri Feb 1 12:20:52 CET 2013

On 01/30/2013 11:35 PM, Carl Eugen Hoyos wrote:
> Nathan Lewis <nlewis <at> mail.crawford.com> writes:
>> $ ffmpeg -i ffv1_lossless.mov -an -f framemd5 ffv1_lossless.framemd5
> Since you want to compare the ffv1 video (yuv422p) with 
> a yuyv video, you have to tell ffmpeg:
> $ ffmpeg -i input -f framemd5 -pix_fmt yuyv422 out
Have you tried Carl Eugen's suggestion?

If there are still issues with verifying FFv1's losslessness is your
case, could you upload your uncompressed sample somewhere, so I could
take a look at it?

Peter B.

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