[FFmpeg-devel] [PATCH 1/2] avfilter: Dry run mode for list merging
Michael Niedermayer
michaelni at gmx.at
Tue Jul 23 19:31:26 CEST 2013
On Mon, Jul 22, 2013 at 12:16:10PM +0200, Nicolas George wrote:
> Le quartidi 4 thermidor, an CCXXI, Michael Niedermayer a écrit :
> > AVFilterFormats *ff_merge_formats(AVFilterFormats *a, AVFilterFormats *b,
> > - enum AVMediaType type)
> > + enum AVMediaType type, int dry_run)
> > {
>
> Wouldn't it be simpler to have
>
> ff_try_merge_formats(a, b, type);
>
> that will allocate a copy of a and b with dummy back-references and pass it
> to ff_merge_formats?
implemented & pushed this way
>
> For reference, the problem with the channel layouts is that the algorithm
> currently overwrites its inputs. It does so only when success is certain
> (exccept for OOM), but that will not do for dry-run.
>
> Regards,
>
> --
> Nicolas George
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> http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
--
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