On Thu, Nov 16, 2017 at 10:56 AM, Pradeep Ramachandran < prad...@multicorewareinc.com> wrote:
> # HG changeset patch > # User Pradeep Ramachandran <prad...@multicorewareinc.com> > # Date 1510808150 -19800 > # Thu Nov 16 10:25:50 2017 +0530 > # Node ID 8b12db6c5f6bbab87887822ae9fce524e18a25c1 > # Parent dd9772385d152528201d335efbc6f75fdc43b08c > param: Disable opt-qp-pps and opt-ref-list-length-pps by default > > The bits saved by these options is very miniscule, and not observable in > most > tests focusing on low bitrates, and low resolutions; this was the goal of > these > two options. Also, since these options change the PPS, the muxer has to > ensure > that the headers are sent every frame which seems to trouble some muxers > and > users. > Pushed to default branch > > diff -r dd9772385d15 -r 8b12db6c5f6b doc/reST/cli.rst > --- a/doc/reST/cli.rst Tue Nov 14 11:00:09 2017 +0530 > +++ b/doc/reST/cli.rst Thu Nov 16 10:25:50 2017 +0530 > @@ -2159,12 +2159,12 @@ > .. option:: --opt-qp-pps, --no-opt-qp-pps > > Optimize QP in PPS (instead of default value of 26) based on the > QP values > - observed in last GOP. Default enabled. > + observed in last GOP. Default disabled. > > .. option:: --opt-ref-list-length-pps, --no-opt-ref-list-length-pps > > Optimize L0 and L1 ref list length in PPS (instead of default > value of 0) > - based on the lengths observed in the last GOP. Default enabled. > + based on the lengths observed in the last GOP. Default disabled. > > .. option:: --multi-pass-opt-rps, --no-multi-pass-opt-rps > > diff -r dd9772385d15 -r 8b12db6c5f6b source/common/param.cpp > --- a/source/common/param.cpp Tue Nov 14 11:00:09 2017 +0530 > +++ b/source/common/param.cpp Thu Nov 16 10:25:50 2017 +0530 > @@ -271,8 +271,8 @@ > > param->bEmitVUITimingInfo = 1; > param->bEmitVUIHRDInfo = 1; > - param->bOptQpPPS = 1; > - param->bOptRefListLengthPPS = 1; > + param->bOptQpPPS = 0; > + param->bOptRefListLengthPPS = 0; > param->bOptCUDeltaQP = 0; > param->bAQMotion = 0; > param->bHDROpt = 0; >
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