[FFmpeg-devel] [PATCH] avcodec/libvpx: set CODEC_CAP_EXPERIMENTAL correctly instead of testing at codec open time
Reimar Döffinger
Reimar.Doeffinger at gmx.de
Mon Dec 9 23:13:00 CET 2013
On Mon, Dec 09, 2013 at 06:35:17PM -0300, James Almer wrote:
> On 09/12/13 6:08 PM, James Zern wrote:
> > On Sun, Dec 8, 2013 at 2:14 PM, James Almer <jamrial at gmail.com> wrote:
> >> On 08/12/13 10:19 AM, Michael Niedermayer wrote:
> >>> Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> >>> ---
> >>> libavcodec/libvpx.c | 13 ++++---------
> >>> libavcodec/libvpx.h | 2 +-
> >>> libavcodec/libvpxdec.c | 4 +---
> >>> libavcodec/libvpxenc.c | 4 +---
> >>> 4 files changed, 7 insertions(+), 16 deletions(-)
> >>>
> >>
> >> Maybe we should leave a log message about libvpx < 1.3.0 as an
> >> AV_LOG_WARNING line.
> >> The idea is that the warning will show up after running ffmpeg with
> >> -strict -2, so the user knows that what's experimental is VP9 encoding
> >> with their libvpx version and not ffmpeg's wrapper, and that they
> >> should consider updating it.
> >
> > This now happens at registration time, so the log would be issued even
> > if you weren't using vp9.
>
> The log can for example be in vp9_init() (Both encoder and decoder). That
> way it will only trigger for VP9 and libvpx < 1.3.0.
> It will however need an extra version check there.
Stupid question: If libvpx < 1.3.0 is only experimental, why would we
want to support it at all now that something non-experimental is
available?
It seems a lot of effort for something that to me looks like a
completely useless (if not worse) feature...
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