Thanks - this is a high priority item for low bitrate encodes. On Mon, Sep 26, 2016 at 11:46 PM, xuefeng <[email protected]> wrote:
> All, > hello! > > x265 set the slice QP in PPS to 26. Bits can be saved by > calculating a closer approximation to the actual > slice QP values utilized to encode the bitstream at > different quality levels. The delta QP in each slice header > is huge especially at low bit rate and quality levels. > > My test command is as follows. > *--repeat-headers --hash 1 --input-res 1280x720 --keyint 30 > --min-keyint 30 > --input "Johnny_1280x720.y4m" --fps 30 --output "test_new.mp4" * > > There is a patch in the attachment for this method based on "*Changeset: > **11587 > (d20b78d6d138)*". > There is information for x265 coding to see that bitrate goes down. > There is informations for HM decoding to see that MD5 and QP are the same > with the method. > > > > ------------------------------ > Regards, > > Xuefeng Jiang > > [email protected] > > > > > _______________________________________________ > x265-devel mailing list > [email protected] > https://mailman.videolan.org/listinfo/x265-devel > > -- Deepthi
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