From aruna at multicorewareinc.com Tue May 25 06:58:42 2021 From: aruna at multicorewareinc.com (Aruna Matheswaran) Date: Tue, 25 May 2021 12:28:42 +0530 Subject: [x265] [x265 PATCH] cli.rst: Fix --level-idc document Message-ID: >From 82786fccce10379be439243b6a776dc2f5918cb4 Mon Sep 17 00:00:00 2001 From: Aruna Date: Tue, 25 May 2021 12:20:03 +0530 Subject: [PATCH] cli.rst: Fix --level-idc document --- doc/reST/cli.rst | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/doc/reST/cli.rst b/doc/reST/cli.rst index 2f556326b..4154221af 100755 --- a/doc/reST/cli.rst +++ b/doc/reST/cli.rst @@ -632,9 +632,8 @@ Profile, Level, Tier auto-detection by the encoder. If specified, the encoder will attempt to bring the encode specifications within that specified level. If the encoder is unable to reach the level it issues a - warning and aborts the encode. If the requested requirement level is - higher than the actual level, the actual requirement level is - signaled. + warning and aborts the encode. The requested level will be signaled + in the bitstream even if it is higher than the actual level. Beware, specifying a decoder level will force the encoder to enable VBV for constant rate factor encodes, which may introduce @@ -714,11 +713,8 @@ Profile, Level, Tier (main, main10, etc). Second, an encoder is created from this x265_param instance and the :option:`--level-idc` and :option:`--high-tier` parameters are used to reduce bitrate or other - features in order to enforce the target level. Finally, the encoder - re-examines the final set of parameters and detects the actual - minimum decoder requirement level and this is what is signaled in - the bitstream headers. The detected decoder level will only use High - tier if the user specified a High tier level. + features in order to enforce the target level. The detected decoder level + will only use High tier if the user specified a High tier level. The signaled profile will be determined by the encoder's internal bitdepth and input color space. If :option:`--keyint` is 0 or 1, -- 2.20.1.windows.1 -- Regards, *Aruna Matheswaran,* Video Codec Engineer, Media & AI analytics BU, -------------- next part -------------- An HTML attachment was scrubbed... URL: From aruna at multicorewareinc.com Tue May 25 08:01:18 2021 From: aruna at multicorewareinc.com (Aruna Matheswaran) Date: Tue, 25 May 2021 13:31:18 +0530 Subject: [x265] [x265 PATCH] cli.rst: Fix --level-idc document In-Reply-To: References: Message-ID: Pushed to master On Tue, May 25, 2021 at 12:28 PM Aruna Matheswaran < aruna at multicorewareinc.com> wrote: > From 82786fccce10379be439243b6a776dc2f5918cb4 Mon Sep 17 00:00:00 2001 > From: Aruna > Date: Tue, 25 May 2021 12:20:03 +0530 > Subject: [PATCH] cli.rst: Fix --level-idc document > > --- > doc/reST/cli.rst | 12 ++++-------- > 1 file changed, 4 insertions(+), 8 deletions(-) > > diff --git a/doc/reST/cli.rst b/doc/reST/cli.rst > index 2f556326b..4154221af 100755 > --- a/doc/reST/cli.rst > +++ b/doc/reST/cli.rst > @@ -632,9 +632,8 @@ Profile, Level, Tier > auto-detection by the encoder. If specified, the encoder will > attempt to bring the encode specifications within that specified > level. If the encoder is unable to reach the level it issues a > - warning and aborts the encode. If the requested requirement level is > - higher than the actual level, the actual requirement level is > - signaled. > + warning and aborts the encode. The requested level will be signaled > + in the bitstream even if it is higher than the actual level. > > Beware, specifying a decoder level will force the encoder to enable > VBV for constant rate factor encodes, which may introduce > @@ -714,11 +713,8 @@ Profile, Level, Tier > (main, main10, etc). Second, an encoder is created from this > x265_param instance and the :option:`--level-idc` and > :option:`--high-tier` parameters are used to reduce bitrate or other > - features in order to enforce the target level. Finally, the encoder > - re-examines the final set of parameters and detects the actual > - minimum decoder requirement level and this is what is signaled in > - the bitstream headers. The detected decoder level will only use High > - tier if the user specified a High tier level. > + features in order to enforce the target level. The detected decoder level > + will only use High tier if the user specified a High tier level. > > The signaled profile will be determined by the encoder's internal > bitdepth and input color space. If :option:`--keyint` is 0 or 1, > -- > 2.20.1.windows.1 > > > -- > Regards, > *Aruna Matheswaran,* > Video Codec Engineer, > Media & AI analytics BU, > > > > -- Regards, *Aruna Matheswaran,* Video Codec Engineer, Media & AI analytics BU, -------------- next part -------------- An HTML attachment was scrubbed... URL: