[FFmpeg-devel] [PATCH] [RFC] avcodec: export MB information in frame side data

[Clément Bœsch]

On Wed, Jul 16, 2014 at 05:06:27PM +0200, Clément Bœsch wrote:
> Also add an example exporting the MB information as a CSV stream.
> 
> ---
> 
> A bunch of questions stand:
> 
> - Ideally the "source" for a given macroblock should be a specific
>   reference to a future or paste frame (something like -4 or +2).
>   Currently it's just ±1 depending on the direction. I don't see how I
>   can extract that information.
> 
> - how the MB "type" should be exported? Like, what "generic" type we
>   need to expose for the users
> 
> - Who is motivated to port -vismv & various other vis_* debug to a video
>   filter? (The hard part will probably be writing its documentation...)
> 

Ah and BTW, can we make the decode step faster somehow in the example
since we're only interested in the MB and not the final picture? I was
thinking of lowres, but maybe we can even skip the whole decode step with
some of the codecs?

[...]

-- 
Clément B.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 473 bytes
Desc: not available
URL: <https://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20140716/c67dca26/attachment.asc>