[FFmpeg-devel] [PATCH] vf_pad: keep a reference to the output buffer.

Nicolas George nicolas.george at normalesup.org
Thu Mar 8 12:01:11 CET 2012

Le nonidi 19 ventôse, an CCXX, Stefano Sabatini a écrit :
> On date Wednesday 2012-03-07 17:23:45 +0100, Nicolas George encoded:
> > Once fixed, the end_frame function does exactly
> > what the default does: remove it.
> The text is pretty confusing, I'd say:

Indeed, I had not realized.

> Pass a picture reference to avfilter_start_frame, and remove this
> reference by using the default end_frame function.
> This allows the filter to keep a reference to the ouput picture in
> case it is unreferenced by the following filter, as it happens with
> the settb filter.

That was not what I meant, although it may be an useful explanation. What I
meant was:

Once fixed, the end_frame function does exactly what
avfilter_default_end_frame does; therefore, end_frame
can be removed to let avfilter_default_end_frame work.


  Nicolas George
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