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 Carl Eugen