[FFmpeg-devel] [PATCH v2 1/3] avformat/imfdec: remove the experimental flag

[Pierre-Anthony Lemieux]

On Fri, Jan 6, 2023 at 8:09 AM Tomas Härdin <git at haerdin.se> wrote:
>
> fre 2023-01-06 klockan 07:50 -0800 skrev Pierre-Anthony Lemieux:
> > On Fri, Jan 6, 2023 at 7:45 AM Tomas Härdin <git at haerdin.se> wrote:
> > >
> > > tor 2023-01-05 klockan 15:29 -0800 skrev pal at sandflow.com:
> > > > From: Pierre-Anthony Lemieux <pal at palemieux.com>
> > > >
> > > > ---
> > > >  libavformat/imfdec.c | 2 +-
> > > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > > >
> > > > diff --git a/libavformat/imfdec.c b/libavformat/imfdec.c
> > > > index 03de9ce151..a92686e93b 100644
> > > > --- a/libavformat/imfdec.c
> > > > +++ b/libavformat/imfdec.c
> > > > @@ -1018,7 +1018,7 @@ static const AVClass imf_class = {
> > > >  const AVInputFormat ff_imf_demuxer = {
> > > >      .name           = "imf",
> > > >      .long_name      = NULL_IF_CONFIG_SMALL("IMF (Interoperable
> > > > Master Format)"),
> > > > -    .flags          = AVFMT_EXPERIMENTAL | AVFMT_NO_BYTE_SEEK,
> > > > +    .flags          = AVFMT_NO_BYTE_SEEK,
> > > >      .flags_internal = FF_FMT_INIT_CLEANUP,
> > > >      .priv_class     = &imf_class,
> > > >      .priv_data_size = sizeof(IMFContext),
> > >
> > > This demuxer is really limited though, right?
> >
> > Can you clarify what you mean by "limited"?
> >
> > The demuxer is intended to only process IMF packages (playlist +
> > track files).
>
> Perhaps I was speaking ahead. Last time I looked lavf was not capable
> of performing the kind of NLE functionality required for full IMF
> support. Perhaps imfdec does that internally? It doesn't seem so..

The demuxer supports the full range of playlist (CPL) functionality,
including multiple non-coincident resources and resource repeats.

Only audio and image are supported for now.

See the current FATE test and the additional proposal sample at:

https://patchwork.ffmpeg.org/project/ffmpeg/patch/20221230071243.24762-1-pal@sandflow.com/


>
> /Tomas
>
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