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[190.225.105.197]) by smtp.gmail.com with ESMTPSA id k20-20020a056830151400b006b469ace1b1sm7103812otp.22.2023.08.17.06.38.05 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 17 Aug 2023 06:38:06 -0700 (PDT) Message-ID: <3692f15b-5eb4-33bb-9ad6-1006fe5b1132@gmail.com> Date: Thu, 17 Aug 2023 10:38:10 -0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.14.0 To: ffmpeg-devel@ffmpeg.org References: Content-Language: en-US From: James Almer In-Reply-To: Subject: Re: [FFmpeg-devel] [PATCH v2 1/8] cbs_h266: fix inference for sh_lmcs_used_flag and sh_explicit_scaling_list_used_flag X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: On 8/8/2023 7:58 AM, Nuo Mi wrote: > if sh_picture_header_in_slice_header_flag is true > sh_lmcs_used_flag and sh_explicit_scaling_list_used_flag are infered from ph > > Failed clips: > LMCS: CLM_A_KDDI_2.bit STILL444_A_KDDI_1.bit > Scaling: SCALING_B_InterDigital_1.bit SCALING_A_InterDigital_1.bit > --- > libavcodec/cbs_h266_syntax_template.c | 24 ++++++++++++++---------- > 1 file changed, 14 insertions(+), 10 deletions(-) > > diff --git a/libavcodec/cbs_h266_syntax_template.c b/libavcodec/cbs_h266_syntax_template.c > index 98a8e033bf..857882655b 100644 > --- a/libavcodec/cbs_h266_syntax_template.c > +++ b/libavcodec/cbs_h266_syntax_template.c > @@ -3151,17 +3151,21 @@ static int FUNC(slice_header) (CodedBitstreamContext *ctx, RWContext *rw, > infer(sh_alf_enabled_flag, 0); > } > > - if (ph->ph_lmcs_enabled_flag && > - !current->sh_picture_header_in_slice_header_flag) > - flag(sh_lmcs_used_flag); > - else > - infer(sh_lmcs_used_flag, 0); > + if (current->sh_picture_header_in_slice_header_flag) { > + infer(sh_lmcs_used_flag, ph->ph_lmcs_enabled_flag); > + infer(sh_explicit_scaling_list_used_flag, > + ph->ph_explicit_scaling_list_enabled_flag); > + } else { > + if (ph->ph_lmcs_enabled_flag) > + flag(sh_lmcs_used_flag); > + else > + infer(sh_lmcs_used_flag, 0); > > - if (ph->ph_explicit_scaling_list_enabled_flag && > - !current->sh_picture_header_in_slice_header_flag) > - flag(sh_explicit_scaling_list_used_flag); > - else > - infer(sh_explicit_scaling_list_used_flag, 0); > + if (ph->ph_explicit_scaling_list_enabled_flag) > + flag(sh_explicit_scaling_list_used_flag); > + else > + infer(sh_explicit_scaling_list_used_flag, 0); > + } > > if (!pps->pps_rpl_info_in_ph_flag && > ((nal_unit_type != VVC_IDR_W_RADL && Set applied. 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