Hi, > -----Original Message----- > From: ffmpeg-devel <ffmpeg-devel-boun...@ffmpeg.org> On Behalf Of Fu, > Linjie > Sent: Sunday, December 15, 2019 09:56 > To: FFmpeg development discussions and patches <ffmpeg- > de...@ffmpeg.org> > Subject: Re: [FFmpeg-devel] [PATCH] lavc/hevc_cabac: fix cbf_cb and cbf_cr > for transform depth 4 > > > -----Original Message----- > > From: ffmpeg-devel <ffmpeg-devel-boun...@ffmpeg.org> On Behalf Of > > Thilo Borgmann > > Sent: Thursday, December 12, 2019 22:15 > > To: ffmpeg-devel@ffmpeg.org > > Subject: Re: [FFmpeg-devel] [PATCH] lavc/hevc_cabac: fix cbf_cb and > cbf_cr > > for transform depth 4 > > > > Hi, > > > > Am 12.12.19 um 08:27 schrieb Fu, Linjie: > > >> -----Original Message----- > > >> From: ffmpeg-devel <ffmpeg-devel-boun...@ffmpeg.org> On Behalf > Of > > >> Carl Eugen Hoyos > > >> Sent: Wednesday, December 11, 2019 18:19 > > >> To: FFmpeg development discussions and patches <ffmpeg- > > >> de...@ffmpeg.org> > > >> Subject: Re: [FFmpeg-devel] [PATCH] lavc/hevc_cabac: fix cbf_cb and > > cbf_cr > > >> for transform depth 4 > > >> > > >> Am Mi., 11. Dez. 2019 um 09:57 Uhr schrieb Linjie Fu > <linjie...@intel.com>: > > >>> > > >>> The max transform depth is 5(from 0 to 4), so we need 5 cabac states > for > > >>> cbf_cb and cbf_cr. > > >>> > > >>> See Table 9-4 for details. > > >> > > >> Does this change the output of a file? > > >> If yes, please provide it / implement a fate test. > > > > > > Yes, this issue was found in some license-limited clips and does affect > > > the > > decoding. > > > Hence it takes some efforts to generate an available file for > > > verifying/test > > in the > > > community. > > > > > > I've created a ticket for this and attached the clips and the decode > > > result > > with/without > > > this patch: > > > https://trac.ffmpeg.org/ticket/8425 > > > > > > Please help to verify. > > > > please add a fate test that uses your .h265 sample to verify decoding. > > > Ping for this patch and the test in fate, thx. > Ping in case it is missed, thx.
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