> -----Original Message----- > From: ffmpeg-devel [mailto:ffmpeg-devel-boun...@ffmpeg.org] On Behalf > Of Michael Niedermayer > Sent: Monday, July 29, 2019 00:48 > To: FFmpeg development discussions and patches <ffmpeg- > de...@ffmpeg.org> > Subject: Re: [FFmpeg-devel] [PATCH, v4 1/2] fftools/ffmpeg_filter: add - > autoscale to disable/enable the default scale > > On Sun, Jul 28, 2019 at 05:54:24PM +0800, Linjie Fu wrote: > > Currently, ffmpeg inserts scale filter by default in the filter graph > > to force the whole decoded stream to scale into the same size with the > > first frame. It's not quite make sense in resolution changing cases if > > user wants the rawvideo without any scale. > > > > Using autoscale/noautoscale to indicate whether auto inserting the scale > > filter in the filter graph: > > -noautoscale or -autoscale 0: > > disable the default auto scale filter inserting. > > > > Update docs. > > > > Signed-off-by: U. Artie Eoff <ullysses.a.e...@intel.com> > > Signed-off-by: Linjie Fu <linjie...@intel.com> > > --- > > doc/ffmpeg.texi | 16 ++++++++++++---- > > fftools/ffmpeg.c | 1 + > > fftools/ffmpeg.h | 4 ++++ > > fftools/ffmpeg_filter.c | 2 +- > > fftools/ffmpeg_opt.c | 8 ++++++++ > > 5 files changed, 26 insertions(+), 5 deletions(-) > > I think this is ok-ish but it would be more robust if encoders would > have a CODEC_CAP listing if they actually support changing resolution >
AV_CODEC_CAP_VARIABLE_DIMENSIONS is added, and currently set for rawvideo and libvpx. New patch set has been sent. - linjie _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
