On Fri, Sep 20, 2019 at 06:10:59PM +0200, Michael Niedermayer wrote: > On Fri, Sep 20, 2019 at 11:55:17PM +0800, lance.lmw...@gmail.com wrote: > > From: Limin Wang <lance.lmw...@gmail.com> > > > > Signed-off-by: Limin Wang <lance.lmw...@gmail.com> > > --- > > libavcodec/v210_template.c | 20 ++++++++++++++++++++ > > libavcodec/v210enc.c | 8 +++++--- > > 2 files changed, 25 insertions(+), 3 deletions(-) > > Adding a nearest neighbor scaler or in fact any scaler > into an encoder is not ok > > This belongs in swscale and it is already there.
It's try to improve for the performance, below is the benchmark result: ./ffmpeg -benchmark -y -lavfi testsrc2=s=4096x3072:r=10:d=10 -pix_fmt yuv420p -c:v v210 -f null - master: [Parsed_testsrc2_0 @ 0x7fd922f01940] EOF timestamp not reliableA speed=3.06x frame= 100 fps= 30 q=-0.0 Lsize=N/A time=00:00:10.00 bitrate=N/A speed=3.02x bench: utime=2.762s stime=0.539s rtime=3.308s bench: maxrss=93372416kB with the patch: frame= 100 fps= 36 q=-0.0 Lsize=N/A time=00:00:10.00 bitrate=N/A speed=3.57x video:3302400kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown bench: utime=2.258s stime=0.536s rtime=2.803s bench: maxrss=80809984kB ./ffmpeg -benchmark -y -lavfi testsrc2=s=4096x3072:r=10:d=10 -pix_fmt yuv420p10 -c:v v210 -f null - master: frame= 100 fps= 26 q=-0.0 Lsize=N/A time=00:00:10.00 bitrate=N/A speed=2.61x video:3302400kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown bench: utime=3.257s stime=0.559s rtime=3.827s bench: maxrss=152371200kB with the patch frame= 100 fps= 31 q=-0.0 Lsize=N/A time=00:00:10.00 bitrate=N/A speed=3.11x video:3302400kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown bench: utime=2.625s stime=0.573s rtime=3.212s bench: maxrss=127197184kB > > Thanks > > [...] > -- > Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB > > No snowflake in an avalanche ever feels responsible. -- Voltaire > _______________________________________________ > 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". _______________________________________________ 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".
