[FFmpeg-user] dpx image sequence to ffv1 mkv issues

Carl Eugen Hoyos ceffmpeg at gmail.com
Mon Nov 6 14:41:15 EET 2017

2017-11-06 13:21 GMT+01:00 Camara CaamaƱo, Xavier <xcamara at gencat.cat>:

> I updated the Windows build for ffmpeg and at least the error doesn't show up.


> I still get the warning of:
> Cannot allocate worst case packet size, the encoding could fail.

This is expected for high-res input, you will get an error if
encoding fails (afair).

> However, after wrapping the 6k 16bit dpx sequence into ffv1.mkv and
> de-wrapping again into dpx, the checksums are the same, so it's a
> good thing.
> The last issue I came up to was the DPX version. My original DPX file is
> DPX version 2

FFmpeg only supports writing dpx version 1 files.
Why is that an issue for you?

Carl Eugen

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