Hi, We are looking into this problem. Would you please share the exact CLI options that you have used for this test?
Thanks, Kalyan Goswami, PhD Video Architect @ MulticoreWare http: <http://www.multicorewareinc.com/>//www.multicorewareinc.com <http://www.multicorewareinc.com/> +91 9884989331 On Sun, Jan 27, 2019 at 8:11 PM nalla shanaha <[email protected]> wrote: > Following on from the previous email, here are results of some testing. > > The files are 1080p videos from youtube > > 1) mortal engines movie trailer (youtube.com/watch?v=IRsFc2gguEg) > 2) polar movie trailer (youtube.com/watch?v=oMHwRal-AR8) > 3) solo movie trailer (youtube.com/watch?v=XRRNxIZfjHA) > > All ratio are normalized taking x265 2.8+74-fd517ae68f93 as base > x265 3.0 is version 3.0_RC+10-42b51d791a34 > > x265 2.8 is from > > https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-amd64-static.tar.xz > x265 > <https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-amd64-static.tar.xzx265> > 3.0 is from > https://johnvansickle.com/ffmpeg/builds/ffmpeg-git-amd64-static.tar.xz > > all videos were encoded with 1.77 aspect ratio, i.e 424x240, > 640x360,854x480 from the 1080p source videos > > --preset faster --crf 28 was used in all cases. > > > > +----------+------------------------------------------------------------------+ > | file | bit rate ratios (x265 2.8 is 1x) > | > > +----------+------------------------------------------------------------------+ > | 1)Polar | > +--------------+--------------+------------+-------------------+ | > | | | video height | --no-hevc-aq | --hevc-aq | percent > reduction | | > | | > +--------------+--------------+------------+-------------------+ | > | | | 240 | 1.231 | 0.725 | 41.1 > | | > | | | 360 | 1.115 | 0.649 | 41.8 > | | > | | | 480 | 1.104 | 0.679 | 38.5 > | | > | | > +--------------+--------------+------------+-------------------+ | > | 2)Mortal | > +--------------+--------------+------------+-------------------+ | > | | | video height | --no-hevc-aq | --hevc-aq | percent > reduction | | > | | > +--------------+--------------+------------+-------------------+ | > | | | 240 | 1.164 | 0.633 | 45.6 > | | > | | | 360 | 1.149 | 0.681 | 40.7 > | | > | | | 480 | 1.079 | 0.668 | 38.1 > | | > | | > +--------------+--------------+------------+-------------------+ | > | 3)Solo | > +--------------+--------------+------------+-------------------+ | > | | | video height | --no-hevc-aq | --hevc-aq | percent > reduction | | > | | > +--------------+--------------+------------+-------------------+ | > | | | 240 | 1.088 | 0.711 | 34.7 > | | > | | | 360 | 1.046 | 0.741 | 29.1 > | | > | | | 480 | 0.995 | 0.739 | 25.8 > | | > | | > +--------------+--------------+------------+-------------------+ | > > +----------+------------------------------------------------------------------+ > > > +----------+----------------------------------------------+ > | file | speed ratios (x265 2.8 is 1x) | > +----------+----------------------------------------------+ > | 1)Polar | +--------------+--------------+------------+ | > | | | video height | --no-hevc-aq | --hevc-aq | | > | | +--------------+--------------+------------+ | > | | | 240 | 0.936 | 0.147 | | > | | | 360 | 0.998 | 1.035 | | > | | | 480 | 1.013 | 1.055 | | > | | +--------------+--------------+------------+ | > | 2)Mortal | +--------------+--------------+------------+ | > | | | video height | --no-hevc-aq | --hevc-aq | | > | | +--------------+--------------+------------+ | > | | | 240 | 0.917 | 1.008 | | > | | | 360 | 0.966 | 1.077 | | > | | | 480 | 0.969 | 1.037 | | > | | +--------------+--------------+------------+ | > | 3)Solo | +--------------+--------------+------------+ | > | | | video height | --no-hevc-aq | --hevc-aq | | > | | +--------------+--------------+------------+ | > | | | 240 | 0.944 | 0.998 | | > | | | 360 | 1.017 | 1.044 | | > | | | 480 | 0.989 | 1.033 | | > | | +--------------+--------------+------------+ | > +----------+----------------------------------------------+ > _______________________________________________ > x265-devel mailing list > [email protected] > https://mailman.videolan.org/listinfo/x265-devel >
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