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Wed, 03 Jul 2024 14:26:41 -0700 (PDT) Received: from localhost.localdomain ([190.194.167.233]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2c91ce58877sm11370560a91.24.2024.07.03.14.26.40 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Jul 2024 14:26:41 -0700 (PDT) From: James Almer To: ffmpeg-devel@ffmpeg.org Date: Wed, 3 Jul 2024 18:26:42 -0300 Message-ID: <20240703212648.48483-7-jamrial@gmail.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240703212648.48483-1-jamrial@gmail.com> References: <20240703212648.48483-1-jamrial@gmail.com> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 07/11] avformat/hevc: store parameter set and layer IDs in HVCCNALUnit 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-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: Signed-off-by: James Almer --- libavformat/hevc.c | 26 ++++++++++++++++---------- 1 file changed, 16 insertions(+), 10 deletions(-) diff --git a/libavformat/hevc.c b/libavformat/hevc.c index 6fe701032b..f3e5542699 100644 --- a/libavformat/hevc.c +++ b/libavformat/hevc.c @@ -45,6 +45,8 @@ enum { #define FLAG_IS_NALFF (1 << 1) typedef struct HVCCNALUnit { + uint8_t nuh_layer_id; + uint8_t parameter_set_id; uint16_t nalUnitLength; const uint8_t *nalUnit; } HVCCNALUnit; @@ -378,17 +380,17 @@ static void skip_sub_layer_ordering_info(GetBitContext *gb) get_ue_golomb_long(gb); // max_latency_increase_plus1 } -static int hvcc_parse_vps(GetBitContext *gb, +static int hvcc_parse_vps(GetBitContext *gb, HVCCNALUnit *nal, HEVCDecoderConfigurationRecord *hvcc) { unsigned int vps_max_sub_layers_minus1; + nal->parameter_set_id = get_bits(gb, 4); /* - * vps_video_parameter_set_id u(4) * vps_reserved_three_2bits u(2) * vps_max_layers_minus1 u(6) */ - skip_bits(gb, 12); + skip_bits(gb, 8); vps_max_sub_layers_minus1 = get_bits(gb, 3); @@ -501,7 +503,7 @@ static int parse_rps(GetBitContext *gb, unsigned int rps_idx, return 0; } -static int hvcc_parse_sps(GetBitContext *gb, +static int hvcc_parse_sps(GetBitContext *gb, HVCCNALUnit *nal, HEVCDecoderConfigurationRecord *hvcc) { unsigned int i, sps_max_sub_layers_minus1, log2_max_pic_order_cnt_lsb_minus4; @@ -526,7 +528,7 @@ static int hvcc_parse_sps(GetBitContext *gb, hvcc_parse_ptl(gb, hvcc, sps_max_sub_layers_minus1); - get_ue_golomb_long(gb); // sps_seq_parameter_set_id + nal->parameter_set_id = get_ue_golomb_long(gb); hvcc->chromaFormat = get_ue_golomb_long(gb); @@ -605,12 +607,12 @@ static int hvcc_parse_sps(GetBitContext *gb, return 0; } -static int hvcc_parse_pps(GetBitContext *gb, +static int hvcc_parse_pps(GetBitContext *gb, HVCCNALUnit *nal, HEVCDecoderConfigurationRecord *hvcc) { uint8_t tiles_enabled_flag, entropy_coding_sync_enabled_flag; - get_ue_golomb_long(gb); // pps_pic_parameter_set_id + nal->parameter_set_id = get_ue_golomb_long(gb); // pps_pic_parameter_set_id get_ue_golomb_long(gb); // pps_seq_parameter_set_id /* @@ -703,6 +705,7 @@ static int hvcc_add_nal_unit(const uint8_t *nal_buf, uint32_t nal_size, int is_nalff = !!(flags & FLAG_IS_NALFF); int ps_array_completeness = !!(flags & FLAG_ARRAY_COMPLETENESS); HVCCNALUnitArray *const array = &hvcc->arrays[array_idx]; + HVCCNALUnit *nal; GetBitContext gbc; uint8_t nal_type, nuh_layer_id; uint8_t *rbsp_buf; @@ -745,16 +748,19 @@ static int hvcc_add_nal_unit(const uint8_t *nal_buf, uint32_t nal_size, array->array_completeness = ps_array_completeness; } + nal = &array->nal[array->numNalus-1]; + nal->nuh_layer_id = nuh_layer_id; + /* Don't parse parameter sets. We already have the needed information*/ if (is_nalff) goto end; if (nal_type == HEVC_NAL_VPS) - ret = hvcc_parse_vps(&gbc, hvcc); + ret = hvcc_parse_vps(&gbc, nal, hvcc); else if (nal_type == HEVC_NAL_SPS) - ret = hvcc_parse_sps(&gbc, hvcc); + ret = hvcc_parse_sps(&gbc, nal, hvcc); else if (nal_type == HEVC_NAL_PPS) - ret = hvcc_parse_pps(&gbc, hvcc); + ret = hvcc_parse_pps(&gbc, nal, hvcc); if (ret < 0) goto end; -- 2.45.2 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".