[FFmpeg-user] Lossless encoding to ffv1 changes frames md5

Moritz Barsnick barsnick at gmx.net
Thu Dec 26 14:54:15 EET 2019


On Tue, Dec 17, 2019 at 16:04:02 +0100, Alberto Mattea wrote:
> As a side note, I tried using the mpdecimate filter to remove the
> duplicate frames (the videos are 16 -> 25fps conversions) but it
> changes the md5 (of corresponding frames) again, checking the source
> it seems it supports 8-bit only?

That's correct, mpdecimate currently only supports (taken from the
source code):

AV_PIX_FMT_YUV444P
AV_PIX_FMT_YUV422P,
AV_PIX_FMT_YUV420P,
AV_PIX_FMT_YUV411P,
AV_PIX_FMT_YUV410P,
AV_PIX_FMT_YUV440P,
AV_PIX_FMT_YUVJ444P,
AV_PIX_FMT_YUVJ422P,
AV_PIX_FMT_YUVJ420P
AV_PIX_FMT_YUVJ440P,
AV_PIX_FMT_YUVA420P,
AV_PIX_FMT_GBRP,
AV_PIX_FMT_YUVA444P,
AV_PIX_FMT_YUVA422P

Cheers,
Moritz


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