[FFmpeg-devel] mxf file support

Yufei He yhe at matrox.com
Fri Mar 22 17:52:51 EET 2019


Hi Tomas

Sony defined many kinds of meta data.

e.g. SMPTE RDD 18:2012

Acquisition Metadata Sets for
Video Camera Parameters

I think the file created by -vcodec copy is a general op1a mxf file.

It can not pass Sony's mxf file verifier, which means their camera can 
not play those files.

Yufei.


On 03/22/2019 11:11 AM, Tomas Härdin wrote:
> fre 2019-03-22 klockan 12:47 +0000 skrev Yufei He:
>> Hi Tomas
>>
>>   From my tests, I find FFmpeg can demux XAVC mxf files from Sony and
>> find the video stream is actually h.264 data. This is very good to us.
>>
>> Actually Sony XAVC mxf has a lot of restrictions on mxf file wrapper and
>> h.264 data.
>>
>> But I don't know how to specify the it or it's not supported yet in FFmpeg.
>>
>> Probably we can support it if it's not there yet.
> This depends on what the restrictions are. The first step would be to
> just remux (-vcodec copy) the files and see what happens. If that
> doesn't work then mxfenc.c would need to be patched
>
> /Tomas
> _______________________________________________
> ffmpeg-devel mailing list
> ffmpeg-devel at ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>
> To unsubscribe, visit link above, or email
> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".


More information about the ffmpeg-devel mailing list