[FFmpeg-devel] [PATCH v5] lavf/matroskadec: A_QUICKTIME and AV_CODEC_ID_NONE

Mats Peterson matsp888 at yahoo.com
Fri Jan 8 12:04:50 CET 2016

On 01/08/2016 11:58 AM, Michael Niedermayer wrote:

> where can i find a file to test this and the mov patch ?
> also codec_id will be AV_CODEC_ID_NONE for any new fourcc that is
> not supported not just fourcc == 0
> does it work to check fourcc or the place that fourcc is stored
> i addition or instead of codec_id ?
> [...]

Ah, right, I didn't think of that. It's better to check the fourcc 
directly in the private data, of course. I'll fix that. I'll be back.

Here's one of many older QuickTime files with fourcc 0x00000000, for the 



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