[FFmpeg-devel] [PATCH 2/2] avcodec/cfhd: More strictly check tag order

[Paul B Mahol]

On 8/29/20, Michael Niedermayer <michael at niedermayer.cc> wrote:
> This is based on the encoder and a small number of CFHD sample files
> It should make the decoder more robust against crafted input.
> Due to the lack of a proper specification it is possible that this
> may be too strict and may need to be tuned as files not following this
> ordering are found.
>

Breaks decoding of this and similar files:

https://samples.ffmpeg.org/V-codecs/CFHD/MT_BeartoothHighway_1min_Cineform.avi

It is too strict as our encoder does not implement 3d transforms.