/***************************************************************************** * This file is part of Kvazaar HEVC encoder. * * Copyright (c) 2021, Tampere University, ITU/ISO/IEC, project contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this * list of conditions and the following disclaimer in the documentation and/or * other materials provided with the distribution. * * * Neither the name of the Tampere University or ITU/ISO/IEC nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS ****************************************************************************/ #include "encoder_state-bitstream.h" #include #include #include #include "alf.h" #include "bitstream.h" #include "cabac.h" #include "checkpoint.h" #include "cu.h" #include "encoder.h" #include "encoder_state-geometry.h" #include "encoderstate.h" #include "imagelist.h" #include "kvazaar.h" #include "kvz_math.h" #include "nal.h" #include "scalinglist.h" #include "tables.h" #include "threadqueue.h" #include "videoframe.h" #include "reshape.h" #define JVET_S0266_VUI_length 1 #define LUMA_ADAPTIVE_DEBLOCKING_FILTER_QP_OFFSET 1 #define JVET_S0076_ASPECT1 1 #define JVET_S0193_NO_OUTPUT_PRIOR_PIC 1 #define JVET_S0179_CONDITIONAL_SIGNAL_GCI 1 #define JVET_S0105_GCI_REORDER_IN_CATEGORY 1 #define JVET_S0138_GCI_PTL 1 #define JVET_S_SUB_PROFILE 1 static void encoder_state_write_bitstream_aud(encoder_state_t *const state) { bitstream_t *const stream = &state->stream; kvz_nal_write(stream, KVZ_NAL_AUD_NUT, 0, 1); WRITE_U(stream, 1, 1, "aud_irap_or_gdr_au_flag"); uint8_t pic_type = state->frame->slicetype == KVZ_SLICE_I ? 0 : state->frame->slicetype == KVZ_SLICE_P ? 1 : 2; WRITE_U(stream, pic_type, 3, "pic_type"); kvz_bitstream_add_rbsp_trailing_bits(stream); } static void encoder_state_write_bitstream_PTL(bitstream_t *stream, encoder_state_t *const state) { // PTL // Profile Tier // Main 10 profile == 1 WRITE_U(stream, 1, 7, "general_profile_idc"); WRITE_U(stream, state->encoder_control->cfg.high_tier, 1, "general_tier_flag"); #if !JVET_S0179_CONDITIONAL_SIGNAL_GCI #if JVET_S0179_CONDITIONAL_SIGNAL_GCI WRITE_U(stream, 0, 1, "gci_present_flag"); if (0) //if gci_present_flag { #endif #if JVET_S0105_GCI_REORDER_IN_CATEGORY WRITE_U(stream, 1, 1, "general_progressive_source_flag"); WRITE_U(stream, state->encoder_control->in.source_scan_type != 0, 1, "general_interlaced_source_flag"); // Constraint flags WRITE_U(stream, 0, 1, "general_non_packed_constraint_flag"); WRITE_U(stream, 0, 1, "general_frame_only_constraint_flag"); WRITE_U(stream, 0, 1, "general_non_projected_constraint_flag"); WRITE_U(stream, 0, 1, "intra_only_constraint_flag"); WRITE_U(stream, 0, 4, "max_bitdepth_constraint_idc"); WRITE_U(stream, 0, 2, "max_chroma_format_constraint_idc"); WRITE_U(stream, 0, 1, "no_res_change_in_clvs_constraint_flag"); WRITE_U(stream, 0, 1, "one_tile_per_pic_constraint_flag"); WRITE_U(stream, 0, 1, "one_slice_per_pic_constraint_flag"); WRITE_U(stream, 0, 1, "one_subpic_per_pic_constraint_flag"); WRITE_U(stream, 0, 1, "no_qtbtt_dual_tree_intra_constraint_flag"); WRITE_U(stream, 0, 1, "no_partition_constraints_override_constraint_flag"); WRITE_U(stream, 0, 1, "no_sao_constraint_flag"); WRITE_U(stream, 0, 1, "no_alf_constraint_flag"); WRITE_U(stream, 0, 1, "no_ccalf_constraint_flag"); WRITE_U(stream, 0, 1, "no_joint_cbcr_constraint_flag"); WRITE_U(stream, 0, 1, "no_ref_wraparound_constraint_flag"); WRITE_U(stream, 0, 1, "no_temporal_mvp_constraint_flag"); WRITE_U(stream, 0, 1, "no_sbtmvp_constraint_flag"); WRITE_U(stream, 0, 1, "no_amvr_constraint_flag"); WRITE_U(stream, 0, 1, "no_bdof_constraint_flag"); WRITE_U(stream, 0, 1, "no_dmvr_constraint_flag"); WRITE_U(stream, 0, 1, "no_cclm_constraint_flag"); WRITE_U(stream, 0, 1, "no_mts_constraint_flag"); WRITE_U(stream, 0, 1, "no_sbt_constraint_flag"); WRITE_U(stream, 0, 1, "no_affine_motion_constraint_flag"); WRITE_U(stream, 0, 1, "no_bcw_constraint_flag"); WRITE_U(stream, 0, 1, "no_ibc_constraint_flag"); WRITE_U(stream, 0, 1, "no_ciip_constraint_flag"); WRITE_U(stream, 0, 1, "no_fpel_mmvd_constraint_flag"); WRITE_U(stream, 0, 1, "no_gpm_constraint_flag"); WRITE_U(stream, 0, 1, "no_ladf_constraint_flag"); WRITE_U(stream, 0, 1, "no_transform_skip_constraint_flag"); WRITE_U(stream, 0, 1, "no_bdpcm_constraint_flag"); WRITE_U(stream, 0, 1, "no_qp_delta_constraint_flag"); WRITE_U(stream, 0, 1, "no_dep_quant_constraint_flag"); WRITE_U(stream, 0, 1, "no_sign_data_hiding_constraint_flag"); WRITE_U(stream, 0, 1, "no_mixed_nalu_types_in_pic_constraint_flag"); WRITE_U(stream, 0, 1, "no_trail_constraint_flag"); WRITE_U(stream, 0, 1, "no_stsa_constraint_flag"); WRITE_U(stream, 0, 1, "no_rasl_constraint_flag"); WRITE_U(stream, 0, 1, "no_radl_constraint_flag"); WRITE_U(stream, 0, 1, "no_idr_constraint_flag"); WRITE_U(stream, 0, 1, "no_cra_constraint_flag"); WRITE_U(stream, 0, 1, "no_gdr_constraint_flag"); WRITE_U(stream, 0, 1, "no_aps_constraint_flag"); #endif } kvz_bitstream_align_zero(stream); #endif // end Profile Tier uint8_t level = state->encoder_control->cfg.level; // ToDo: level hardcoded to 5.2 WRITE_U(stream, 86, 8, "general_level_idc"); WRITE_U(stream, 0, 1, "ptl_frame_only_constraint_flag"); WRITE_U(stream, 0, 1, "ptl_multilayer_enabled_flag"); #if JVET_S0179_CONDITIONAL_SIGNAL_GCI #if JVET_S0179_CONDITIONAL_SIGNAL_GCI WRITE_U(stream, 0, 1, "gci_present_flag"); if (0) //if gci_present_flag { #endif #if JVET_S0105_GCI_REORDER_IN_CATEGORY WRITE_U(stream, 1, 1, "general_progressive_source_flag"); WRITE_U(stream, state->encoder_control->in.source_scan_type != 0, 1, "general_interlaced_source_flag"); // Constraint flags WRITE_U(stream, 0, 1, "general_non_packed_constraint_flag"); WRITE_U(stream, 0, 1, "general_frame_only_constraint_flag"); WRITE_U(stream, 0, 1, "general_non_projected_constraint_flag"); WRITE_U(stream, 0, 1, "intra_only_constraint_flag"); WRITE_U(stream, 0, 4, "max_bitdepth_constraint_idc"); WRITE_U(stream, 0, 2, "max_chroma_format_constraint_idc"); WRITE_U(stream, 0, 1, "no_res_change_in_clvs_constraint_flag"); WRITE_U(stream, 0, 1, "one_tile_per_pic_constraint_flag"); WRITE_U(stream, 0, 1, "one_slice_per_pic_constraint_flag"); WRITE_U(stream, 0, 1, "one_subpic_per_pic_constraint_flag"); WRITE_U(stream, 0, 1, "no_qtbtt_dual_tree_intra_constraint_flag"); WRITE_U(stream, 0, 1, "no_partition_constraints_override_constraint_flag"); WRITE_U(stream, 0, 1, "no_sao_constraint_flag"); WRITE_U(stream, 0, 1, "no_alf_constraint_flag"); WRITE_U(stream, 0, 1, "no_ccalf_constraint_flag"); WRITE_U(stream, 0, 1, "no_joint_cbcr_constraint_flag"); WRITE_U(stream, 0, 1, "no_ref_wraparound_constraint_flag"); WRITE_U(stream, 0, 1, "no_temporal_mvp_constraint_flag"); WRITE_U(stream, 0, 1, "no_sbtmvp_constraint_flag"); WRITE_U(stream, 0, 1, "no_amvr_constraint_flag"); WRITE_U(stream, 0, 1, "no_bdof_constraint_flag"); WRITE_U(stream, 0, 1, "no_dmvr_constraint_flag"); WRITE_U(stream, 0, 1, "no_cclm_constraint_flag"); WRITE_U(stream, 0, 1, "no_mts_constraint_flag"); WRITE_U(stream, 0, 1, "no_sbt_constraint_flag"); WRITE_U(stream, 0, 1, "no_affine_motion_constraint_flag"); WRITE_U(stream, 0, 1, "no_bcw_constraint_flag"); WRITE_U(stream, 0, 1, "no_ibc_constraint_flag"); WRITE_U(stream, 0, 1, "no_ciip_constraint_flag"); WRITE_U(stream, 0, 1, "no_fpel_mmvd_constraint_flag"); WRITE_U(stream, 0, 1, "no_gpm_constraint_flag"); WRITE_U(stream, 0, 1, "no_ladf_constraint_flag"); WRITE_U(stream, 0, 1, "no_transform_skip_constraint_flag"); WRITE_U(stream, 0, 1, "no_bdpcm_constraint_flag"); WRITE_U(stream, 0, 1, "no_qp_delta_constraint_flag"); WRITE_U(stream, 0, 1, "no_dep_quant_constraint_flag"); WRITE_U(stream, 0, 1, "no_sign_data_hiding_constraint_flag"); WRITE_U(stream, 0, 1, "no_mixed_nalu_types_in_pic_constraint_flag"); WRITE_U(stream, 0, 1, "no_trail_constraint_flag"); WRITE_U(stream, 0, 1, "no_stsa_constraint_flag"); WRITE_U(stream, 0, 1, "no_rasl_constraint_flag"); WRITE_U(stream, 0, 1, "no_radl_constraint_flag"); WRITE_U(stream, 0, 1, "no_idr_constraint_flag"); WRITE_U(stream, 0, 1, "no_cra_constraint_flag"); WRITE_U(stream, 0, 1, "no_gdr_constraint_flag"); WRITE_U(stream, 0, 1, "no_aps_constraint_flag"); #endif } kvz_bitstream_align_zero(stream); #endif #if !JVET_S_SUB_PROFILE WRITE_U(stream, 1, 8, "num_sub_profiles"); WRITE_U(stream, 0, 32, "general_sub_profile_idc"); #endif WRITE_U(stream, 0, 1, "sub_layer_level_present_flag"); kvz_bitstream_align_zero(stream); WRITE_U(stream, 1, 8, "ptl_num_sub_profiles"); WRITE_U(stream, 0, 32, "general_sub_profile_idc"); // end PTL } static uint8_t max_required_dpb_size(const encoder_control_t * const encoder) { int max_buffer = 1; for (int g = 0; g < encoder->cfg.gop_len; ++g) { int neg_refs = encoder->cfg.gop[g].ref_neg_count; int pos_refs = encoder->cfg.gop[g].ref_pos_count; if (neg_refs + pos_refs + 1 > max_buffer) max_buffer = neg_refs + pos_refs + 1; } if (encoder->cfg.gop_len == 0) max_buffer = encoder->cfg.ref_frames + 1; return max_buffer; } static uint8_t max_num_reorder_pics(const encoder_control_t * const encoder) { return encoder->cfg.gop_lowdelay ? 0 : MAX(encoder->cfg.gop_len - 1, 0); } static void encoder_state_write_bitstream_vid_parameter_set(bitstream_t* stream, encoder_state_t * const state) { #ifdef KVZ_DEBUG printf("=========== Video Parameter Set ID: 0 ===========\n"); #endif const encoder_control_t* encoder = state->encoder_control; WRITE_U(stream, 1, 4, "vps_video_parameter_set_id"); WRITE_U(stream, 0, 6, "vps_max_layers_minus1" ); WRITE_U(stream, 1, 3, "vps_max_sub_layers_minus1"); //for each layer for (int i = 0; i < 1; i++) { WRITE_U(stream, 0, 6, "vps_layer_id"); kvz_bitstream_align_zero(stream); encoder_state_write_bitstream_PTL(stream, state); WRITE_U(stream, 0, 1, "vps_extension_flag") kvz_bitstream_add_rbsp_trailing_bits(stream); } /* static void encoder_state_write_bitstream_scaling_list(bitstream_t *stream, encoder_state_t * const state) { const encoder_control_t * const encoder = state->encoder_control; uint32_t size_id; for (size_id = 0; size_id < SCALING_LIST_SIZE_NUM; size_id++) { int32_t list_id; for (list_id = 0; list_id < kvz_g_scaling_list_num[size_id]; list_id++) { uint8_t scaling_list_pred_mode_flag = 1; int32_t pred_list_idx; int32_t i; uint32_t ref_matrix_id = UINT32_MAX; for (pred_list_idx = list_id; pred_list_idx >= 0; pred_list_idx--) { const int32_t * const pred_list = (list_id == pred_list_idx) ? kvz_scalinglist_get_default(size_id, pred_list_idx) : encoder->scaling_list.scaling_list_coeff[size_id][pred_list_idx]; if (!memcmp(encoder->scaling_list.scaling_list_coeff[size_id][list_id], pred_list, sizeof(int32_t) * MIN(8, kvz_g_scaling_list_size[size_id])) && ((size_id < SCALING_LIST_16x16) || (encoder->scaling_list.scaling_list_dc[size_id][list_id] == encoder->scaling_list.scaling_list_dc[size_id][pred_list_idx]))) { ref_matrix_id = pred_list_idx; scaling_list_pred_mode_flag = 0; break; } } WRITE_U(stream, scaling_list_pred_mode_flag, 1, "scaling_list_pred_mode_flag" ); if (!scaling_list_pred_mode_flag) { WRITE_UE(stream, list_id - ref_matrix_id, "scaling_list_pred_matrix_id_delta"); } else { int32_t delta; const int32_t coef_num = MIN(MAX_MATRIX_COEF_NUM, kvz_g_scaling_list_size[size_id]); const uint32_t * const scan_cg = (size_id == 0) ? g_sig_last_scan_16x16 : g_sig_last_scan_32x32; int32_t next_coef = 8; const int32_t * const coef_list = encoder->scaling_list.scaling_list_coeff[size_id][list_id]; if (size_id >= SCALING_LIST_16x16) { WRITE_SE(stream, encoder->scaling_list.scaling_list_dc[size_id][list_id] - 8, "scaling_list_dc_coef_minus8"); next_coef = encoder->scaling_list.scaling_list_dc[size_id][list_id]; } for (i = 0; i < coef_num; i++) { delta = coef_list[scan_cg[i]] - next_coef; next_coef = coef_list[scan_cg[i]]; if (delta > 127) delta -= 256; if (delta < -128) delta += 256; WRITE_SE(stream, delta, "scaling_list_delta_coef"); } } } } } */ static void encoder_state_write_bitstream_VUI(bitstream_t *stream, encoder_state_t * const state) { const encoder_control_t * const encoder = state->encoder_control; #ifdef KVZ_DEBUG printf("=========== VUI Set ID: 0 ===========\n"); #endif WRITE_U(stream, 0, 1, "vui_progressive_source_flag"); WRITE_U(stream, 0, 1, "vui_interlaced_source_flag"); #if JVET_S0266_VUI_length WRITE_U(stream, 0, 1, "vui_non_packed_constraint_flag"); WRITE_U(stream, 0, 1, "vui_non_projected_constraint_flag"); #endif if (encoder->cfg.vui.sar_width > 0 && encoder->cfg.vui.sar_height > 0) { int i; static const struct { uint8_t width; uint8_t height; uint8_t idc; } sar[] = { // aspect_ratio_idc = 0 -> unspecified { 1, 1, 1 }, { 12, 11, 2 }, { 10, 11, 3 }, { 16, 11, 4 }, { 40, 33, 5 }, { 24, 11, 6 }, { 20, 11, 7 }, { 32, 11, 8 }, { 80, 33, 9 }, { 18, 11, 10}, { 15, 11, 11}, { 64, 33, 12}, {160, 99, 13}, { 4, 3, 14}, { 3, 2, 15}, { 2, 1, 16}, // aspect_ratio_idc = [17..254] -> reserved { 0, 0, 255 } }; for (i = 0; sar[i].idc != 255; i++) if (sar[i].width == encoder->cfg.vui.sar_width && sar[i].height == encoder->cfg.vui.sar_height) break; WRITE_U(stream, 1, 1, "aspect_ratio_info_present_flag"); WRITE_U(stream, sar[i].idc, 8, "aspect_ratio_idc"); if (sar[i].idc == 255) { // EXTENDED_SAR WRITE_U(stream, encoder->cfg.vui.sar_width, 16, "sar_width"); WRITE_U(stream, encoder->cfg.vui.sar_height, 16, "sar_height"); } } else WRITE_U(stream, 0, 1, "aspect_ratio_info_present_flag"); if (encoder->cfg.vui.overscan > 0) { WRITE_U(stream, 1, 1, "overscan_info_present_flag"); WRITE_U(stream, encoder->cfg.vui.overscan - 1, 1, "overscan_appropriate_flag"); } else WRITE_U(stream, 0, 1, "overscan_info_present_flag"); WRITE_U(stream, 0, 1, "colour_description_present_flag"); WRITE_U(stream, 0, 1, "chroma_loc_info_present_flag"); #if JVET_S0266_VUI_length if ((stream->cur_bit & 7) != 0) { WRITE_U(stream, 1, 0, "vui_payload_bit_equal_to_one"); while ((stream->cur_bit & 7) != 0) { WRITE_U(stream, 0, 0, "vui_payload_bit_equal_to_zero"); } } #endif //WRITE_U(stream, 1, 1, "video_signal_type_present_flag"); //WRITE_U(stream, encoder->cfg.vui.fullrange, 1, "video_full_range_flag"); //IF overscan info //ENDIF /* if (encoder->cfg.vui.videoformat != 5 || encoder->cfg.vui.fullrange != 0 || encoder->cfg.vui.colorprim != 2 || encoder->cfg.vui.transfer != 2 || encoder->cfg.vui.colormatrix != 2) { WRITE_U(stream, 1, 1, "video_signal_type_present_flag"); WRITE_U(stream, encoder->cfg.vui.videoformat, 3, "chroma_format"); WRITE_U(stream, encoder->cfg.vui.fullrange, 1, "video_full_range_flag"); if (encoder->cfg.vui.colorprim != 2 || encoder->cfg.vui.transfer != 2 || encoder->cfg.vui.colormatrix != 2) { WRITE_U(stream, 1, 1, "colour_description_present_flag"); WRITE_U(stream, encoder->cfg.vui.colorprim, 8, "colour_primaries"); WRITE_U(stream, encoder->cfg.vui.transfer, 8, "transfer_characteristics"); WRITE_U(stream, encoder->cfg.vui.colormatrix, 8, "matrix_coeffs"); } else WRITE_U(stream, 0, 1, "colour_description_present_flag"); } else WRITE_U(stream, 0, 1, "video_signal_type_present_flag"); //IF video type //ENDIF if (encoder->cfg.vui.chroma_loc > 0) { WRITE_U(stream, 1, 1, "chroma_loc_info_present_flag"); WRITE_UE(stream, encoder->cfg.vui.chroma_loc, "chroma_sample_loc_type_top_field"); WRITE_UE(stream, encoder->cfg.vui.chroma_loc, "chroma_sample_loc_type_bottom_field"); } else WRITE_U(stream, 0, 1, "chroma_loc_info_present_flag"); //IF chroma loc info //ENDIF WRITE_U(stream, 0, 1, "neutral_chroma_indication_flag"); WRITE_U(stream, encoder->vui.field_seq_flag, 1, "field_seq_flag"); // 0: frames, 1: fields WRITE_U(stream, encoder->vui.frame_field_info_present_flag, 1, "frame_field_info_present_flag"); WRITE_U(stream, 0, 1, "default_display_window_flag"); //IF default display window //ENDIF WRITE_U(stream, encoder->vui.timing_info_present_flag, 1, "vui_timing_info_present_flag"); if (encoder->vui.timing_info_present_flag) { WRITE_U(stream, encoder->vui.num_units_in_tick, 32, "vui_num_units_in_tick"); WRITE_U(stream, encoder->vui.time_scale, 32, "vui_time_scale"); WRITE_U(stream, 0, 1, "vui_poc_proportional_to_timing_flag"); WRITE_U(stream, 0, 1, "vui_hrd_parameters_present_flag"); } WRITE_U(stream, 0, 1, "bitstream_restriction_flag"); //IF bitstream restriction //ENDIF */ } static void encoder_state_write_bitstream_SPS_extension(bitstream_t *stream, encoder_state_t * const state) { bool extensions_present = state->encoder_control->cfg.intra_smoothing_disabled == 1 ? true : false; WRITE_U(stream, extensions_present, 1, "sps_extension_present_flag"); if (extensions_present) { WRITE_U(stream, 1, 1, "sps_range_extension_flag"); WRITE_U(stream, 0, 1, "sps_multilayer_extension_flag"); WRITE_U(stream, 0, 1, "sps_extension_6bits"); WRITE_U(stream, 0, 1, "sps_extension_6bits"); WRITE_U(stream, 0, 1, "sps_extension_6bits"); WRITE_U(stream, 0, 1, "sps_extension_6bits"); WRITE_U(stream, 0, 1, "sps_extension_6bits"); WRITE_U(stream, 0, 1, "sps_extension_6bits"); // Range Extension WRITE_U(stream, 0, 1, "transform_skip_rotation_enabled_flag"); WRITE_U(stream, 0, 1, "transform_skip_context_enabled_flag"); WRITE_U(stream, 0, 1, "extended_precision_processing_flag"); WRITE_U(stream, 0, 1, "sps_ts_residual_coding_rice_present_in_sh_flag"); WRITE_U(stream, state->encoder_control->cfg.intra_smoothing_disabled, 1, "intra_smoothing_disabled_flag"); WRITE_U(stream, 0, 1, "high_precision_offsets_enabled_flag"); WRITE_U(stream, 0, 1, "rrc_rice_extension_flag"); WRITE_U(stream, 0, 1, "persistent_rice_adaptation_enabled_flag"); WRITE_U(stream, 0, 1, "cabac_bypass_alignment_enabled_flag"); } } static void encoder_state_write_bitstream_seq_parameter_set(bitstream_t* stream, encoder_state_t * const state) { const encoder_control_t * encoder = state->encoder_control; #ifdef KVZ_DEBUG printf("=========== Sequence Parameter Set ID: 0 ===========\n"); #endif /* */ WRITE_U(stream, 0, 4, "sps_decoding_parameter_set_id"); WRITE_U(stream, 0, 4, "sps_video_parameter_set_id"); WRITE_U(stream, 1, 3, "sps_max_sub_layers_minus1"); WRITE_U(stream, encoder->chroma_format, 2, "chroma_format_idc"); WRITE_U(stream, kvz_math_floor_log2(LCU_WIDTH) - 5, 2, "sps_log2_ctu_size_minus5"); WRITE_U(stream, 1, 1, "sps_ptl_dpb_hrd_params_present_flag"); encoder_state_write_bitstream_PTL(stream, state); WRITE_U(stream, 0, 1, "gdr_enabled_flag"); WRITE_U(stream, 0, 1, "ref_pic_resampling_enabled_flag"); WRITE_UE(stream, encoder->in.width, "pic_width_max_in_luma_samples"); WRITE_UE(stream, encoder->in.height, "pic_height_max_in_luma_samples"); bool use_conformance_window = encoder->in.width != encoder->in.real_width || encoder->in.height != encoder->in.real_height; WRITE_U(stream, use_conformance_window, 1, "conformance_window_flag"); if (use_conformance_window) { // The standard does not seem to allow setting conf_win values such that // the number of luma samples is not a multiple of 2. Options are to either // hide one line or show an extra line of non-video. Neither seems like a // very good option, so let's not even try. assert(!(encoder->in.width % 2)); WRITE_UE(stream, 0, "conf_win_left_offset"); WRITE_UE(stream, (encoder->in.width - encoder->in.real_width) >> 1, "conf_win_right_offset"); WRITE_UE(stream, 0, "conf_win_top_offset"); WRITE_UE(stream, (encoder->in.height - encoder->in.real_height) >> 1, "conf_win_bottom_offset"); } WRITE_U(stream, 0, 1, "subpic_info_present_flag"); WRITE_UE(stream, encoder->bitdepth-8, "bit_depth_minus8"); WRITE_U(stream, encoder->cfg.wpp, 1, "sps_entropy_coding_sync_enabled_flag"); WRITE_U(stream, encoder->tiles_enable || encoder->cfg.wpp, 1, "sps_entry_point_offsets_present_flag"); WRITE_U(stream, 1, 4, "log2_max_pic_order_cnt_lsb_minus4"); WRITE_U(stream, 0, 1, "sps_poc_msb_flag"); WRITE_U(stream, 0, 2, "num_extra_ph_bits_bytes"); WRITE_U(stream, 0, 2, "num_extra_sh_bits_bytes"); WRITE_U(stream, 0, 1, "sps_sublayer_dpb_params_flag"); //for each layer int max_buffer = max_required_dpb_size(encoder); int max_reorder = max_num_reorder_pics(encoder); if (max_buffer - 1 < max_reorder) max_buffer = max_reorder + 1; WRITE_UE(stream, max_buffer - 1, "sps_max_dec_pic_buffering_minus1"); WRITE_UE(stream, max_reorder, "sps_max_num_reorder_pics"); WRITE_UE(stream, 0, "sps_max_latency_increase_plus1"); //end for WRITE_UE(stream, MIN_SIZE-2, "log2_min_luma_coding_block_size_minus2"); // Min size 2^3 = 8x8 // if(!no_partition_constraints_override_constraint_flag) WRITE_U(stream, 0, 1, "partition_constraints_override_enabled_flag"); WRITE_UE(stream, 0, "sps_log2_diff_min_qt_min_cb_intra_slice_luma"); WRITE_UE(stream, 0, "sps_max_mtt_hierarchy_depth_intra_slice_luma"); if (encoder->chroma_format != KVZ_CSP_400) { WRITE_U(stream, 0, 1, "qtbtt_dual_tree_intra_flag"); } WRITE_UE(stream, 0, "sps_log2_diff_min_qt_min_cb_inter_slice"); WRITE_UE(stream, 0, "sps_max_mtt_hierarchy_depth_inter_slice"); #if 0 // mtt depth intra if (max_mtt_depth_intra != 0) { WRITE_UE(stream, 0, "sps_log2_diff_max_bt_min_qt_intra_tile_group_luma"); WRITE_UE(stream, 0, "sps_log2_diff_max_tt_min_qt_intra_tile_group_luma"); } #endif #if 0 // mtt depth inter if (max_mtt_depth_inter != 0) { WRITE_UE(stream, 0, "sps_log2_diff_max_bt_min_qt_inter_tile_group"); WRITE_UE(stream, 0, "sps_log2_diff_max_tt_min_qt_inter_tile_group"); } #endif #if 0 // Dual Tree if (encoder->cfg.dual_i_tree) { WRITE_UE(stream, 0, "sps_log2_diff_min_qt_min_cb_intra_tile_group_chroma"); WRITE_UE(stream, 0, "sps_max_mtt_hierarchy_depth_intra_tile_group_chroma"); if (max_mtt_depth_intra != 0) { WRITE_UE(stream, 0, "sps_log2_diff_max_bt_min_qt_intra_tile_group_chroma"); WRITE_UE(stream, 0, "sps_log2_diff_max_tt_min_qt_intra_tile_group_chroma"); } } #endif if (LCU_WIDTH > 32) WRITE_U(stream, (TR_MAX_LOG2_SIZE - 5) ? 1 : 0, 1, "sps_max_luma_transform_size_64_flag"); WRITE_U(stream, encoder->cfg.trskip_enable, 1, "sps_transform_skip_enabled_flag"); if (encoder->cfg.trskip_enable) { WRITE_UE(stream, 0, "sps_log2_transform_skip_max_size_minus2"); // Only enable transformskip for 4x4 blocks for now WRITE_U(stream, 0, 1, "sps_bdpcm_enabled_flag"); } const uint8_t mts_selection = encoder->cfg.mts; WRITE_U(stream, mts_selection ? 1 : 0, 1, "sps_mts_enabled_flag"); if (mts_selection){ WRITE_U(stream, mts_selection == KVZ_MTS_INTRA || mts_selection == KVZ_MTS_BOTH ? 1 : 0, 1, "sps_explicit_mts_intra_enabled_flag"); WRITE_U(stream, mts_selection == KVZ_MTS_INTER || mts_selection == KVZ_MTS_BOTH ? 1 : 0, 1, "sps_explicit_mts_inter_enabled_flag"); } WRITE_U(stream, 0, 1, "sps_lfnst_enabled_flag"); if (encoder->chroma_format != KVZ_CSP_400) { WRITE_U(stream, encoder->cfg.jccr, 1, "sps_joint_cbcr_enabled_flag"); WRITE_U(stream, 1, 1, "same_qp_table_for_chroma"); for (int i = 0; i < encoder->cfg.num_used_table; i++) { WRITE_SE(stream, encoder->cfg.qp_table_start_minus26[i], "qp_table_starts_minus26"); WRITE_UE(stream, encoder->cfg.qp_table_length_minus1[i], "num_points_in_qp_table_minus1"); for (int j = 0; j <= encoder->cfg.qp_table_length_minus1[i]; j++) { WRITE_UE(stream, encoder->cfg.delta_qp_in_val_minus1[i][j], "delta_qp_in_val_minus1"); WRITE_UE(stream, encoder->cfg.delta_qp_out_val[i][j] ^ encoder->cfg.delta_qp_in_val_minus1[i][j], "delta_qp_diff_val"); } } } // if(!no_sao_constraint_flag) WRITE_U(stream, encoder->cfg.sao_type ? 1 : 0, 1, "sps_sao_enabled_flag"); // if(!no_alf_constraint_flag) WRITE_U(stream, encoder->cfg.alf_type ? 1 : 0, 1, "sps_alf_enable_flag"); if (encoder->cfg.alf_type && encoder->chroma_format != KVZ_CSP_400) { WRITE_U(stream, encoder->cfg.alf_type == KVZ_ALF_FULL, 1, "sps_ccalf_enabled_flag"); } WRITE_U(stream, encoder->cfg.lmcs_enable, 1, "sps_lmcs_enable_flag"); WRITE_U(stream, 0, 1, "sps_weighted_pred_flag"); // Use of Weighting Prediction (P_SLICE) WRITE_U(stream, 0, 1, "sps_weighted_bipred_flag"); // Use of Weighting Bi-Prediction (B_SLICE) WRITE_U(stream, 0, 1, "long_term_ref_pics_flag"); WRITE_U(stream, 0, 1, "sps_idr_rpl_present_flag"); WRITE_U(stream, 0, 1, "rpl1_copy_from_rpl0_flag"); WRITE_UE(stream, 0, "num_ref_pic_lists_in_sps[0]"); WRITE_UE(stream, 0, "num_ref_pic_lists_in_sps[0]"); WRITE_U(stream, 0, 1, "sps_ref_wraparound_enabled_flag"); // if(!no_temporal_mvp_constraint_flag) WRITE_U(stream, state->encoder_control->cfg.tmvp_enable, 1, "sps_temporal_mvp_enabled_flag"); if (state->encoder_control->cfg.tmvp_enable /* && !no_sbtmvp_constraint_flag */) { WRITE_U(stream, 0, 1, "sps_sbtmvp_enabled_flag"); } // if(!no_amvr_constraint_flag) WRITE_U(stream, state->encoder_control->cfg.amvr, 1, "sps_amvr_enabled_flag"); // if(!no_bdof_constraint_flag) WRITE_U(stream, 0, 1, "sps_bdof_enabled_flag"); // if(!no_dmvr_constraint_flag) WRITE_U(stream, 0, 1, "sps_smvd_enabled_flag"); // if(!no_dmvr_constraint_flag) WRITE_U(stream, 0, 1, "sps_dmvr_enabled_flag"); WRITE_U(stream, 0, 1, "sps_mmvd_enabled_flag"); WRITE_UE(stream, 6 - state->encoder_control->cfg.max_merge, "six_minus_max_num_merge_cand"); WRITE_U(stream, 0, 1, "sps_sbt_enabled_flag"); WRITE_U(stream, 0, 1, "sps_affine_enabled_flag"); WRITE_U(stream, 0, 1, "sps_bcw_enabled_flag"); WRITE_U(stream, 0, 1, "sps_ciip_enabled_flag"); if (state->encoder_control->cfg.max_merge >= 2) { WRITE_U(stream, 0, 1, "sps_gpm_enabled_flag"); } WRITE_UE(stream, encoder->cfg.log2_parallel_merge_level-2, "log2_parallel_merge_level_minus2"); WRITE_U(stream, 0, 1, "sps_isp_enabled_flag"); WRITE_U(stream, 0, 1, "sps_mrl_enabled_flag"); WRITE_U(stream, 0, 1, "sps_mip_enabled_flag"); // if(!no_cclm_constraint_flag) if(encoder->chroma_format != KVZ_CSP_400) { WRITE_U(stream, 0, 1, "sps_cclm_enabled_flag"); } if (encoder->chroma_format == KVZ_CSP_420) { WRITE_U(stream, 0, 1, "sps_chroma_horizontal_collocated_flag"); WRITE_U(stream, 0, 1, "sps_chroma_vertical_collocated_flag"); } WRITE_U(stream, 0, 1, "sps_palette_enabled_flag"); if (encoder->cfg.trskip_enable /* || pcSPS->getPLTMode()*/) { WRITE_UE(stream, 0, "sps_internal_bit_depth_minus_input_bit_depth"); } WRITE_U(stream, 0, 1, "sps_ibc_enabled_flag"); #if LUMA_ADAPTIVE_DEBLOCKING_FILTER_QP_OFFSET // if(!no_ladf_constraint_flag) WRITE_U(stream, 0, 1, "sps_ladf_enabled_flag"); #endif WRITE_U(stream, 0, 1, "scaling_list_enabled_flag"); WRITE_U(stream, 0, 1, "pic_dep_quant_enabled_flag"); WRITE_U(stream, encoder->cfg.signhide_enable, 1, "pic_sign_data_hiding_enabled_flag"); WRITE_U(stream, 0, 1, "sps_virtual_boundaries_enabled_flag"); WRITE_U(stream, 0, 1, "general_hrd_parameters_present_flag"); /* WRITE_U(stream, encoder->vui.timing_info_present_flag, 1, "general_hrd_parameters_present_flag"); if (encoder->vui.timing_info_present_flag) { WRITE_U(stream, encoder->vui.num_units_in_tick, 32, "num_units_in_tick"); WRITE_U(stream, encoder->vui.time_scale, 32, "time_scale"); WRITE_U(stream, 0, 1, "general_nal_hrd_parameters_present_flag"); WRITE_U(stream, 0, 1, "general_vcl_hrd_parameters_present_flag"); WRITE_U(stream, 0, 1, "general_same_pic_timing_in_all_ols_flag"); WRITE_U(stream, 0, 1, "general_decoding_unit_hrd_params_present_flag"); WRITE_U(stream, 0, 4, "bit_rate_scale"); WRITE_U(stream, 0, 4, "cpb_size_scale"); WRITE_UE(stream, 0, "hrd_cpb_cnt_minus1"); } */ WRITE_U(stream, 0, 1, "field_seq_flag"); WRITE_U(stream, 0, 1, "vui_parameters_present_flag"); // ToDo: Check and enable //encoder_state_write_bitstream_VUI(stream, state); encoder_state_write_bitstream_SPS_extension(stream, state); kvz_bitstream_add_rbsp_trailing_bits(stream); } static void encoder_state_write_bitstream_pic_parameter_set(bitstream_t* stream, encoder_state_t * const state) { const encoder_control_t * const encoder = state->encoder_control; #ifdef KVZ_DEBUG printf("=========== Picture Parameter Set ID: 0 ===========\n"); #endif WRITE_U(stream, 0, 6, "pps_pic_parameter_set_id"); WRITE_U(stream, 0, 4, "pps_seq_parameter_set_id"); WRITE_U(stream, 0, 1, "mixed_nalu_types_in_pic_flag"); WRITE_UE(stream, encoder->in.width, "pic_width_in_luma_samples"); WRITE_UE(stream, encoder->in.height, "pic_height_in_luma_samples"); bool use_conformance_window = encoder->in.width != encoder->in.real_width || encoder->in.height != encoder->in.real_height; WRITE_U(stream, use_conformance_window, 1, "conformance_window_flag"); if (use_conformance_window) { // The standard does not seem to allow setting conf_win values such that // the number of luma samples is not a multiple of 2. Options are to either // hide one line or show an extra line of non-video. Neither seems like a // very good option, so let's not even try. assert(!(encoder->in.width % 2)); WRITE_UE(stream, 0, "conf_win_left_offset"); WRITE_UE(stream, (encoder->in.width - encoder->in.real_width) >> 1, "conf_win_right_offset"); WRITE_UE(stream, 0, "conf_win_top_offset"); WRITE_UE(stream, (encoder->in.height - encoder->in.real_height) >> 1, "conf_win_bottom_offset"); } WRITE_U(stream, 0, 1, "scaling_window_flag"); WRITE_U(stream, 0, 1, "output_flag_present_flag"); WRITE_U(stream, 1, 1, "pps_no_pic_partition_flag"); WRITE_U(stream, 0, 1, "subpic_id_mapping_in_pps_flag"); /* WRITE_U(stream, encoder->tiles_enable ? 0 : 1, 1, "single_tile_in_pic_flag"); if (encoder->tiles_enable) { WRITE_U(stream, encoder->tiles_uniform_spacing_flag, 1, "uniform_spacing_flag"); if (!encoder->tiles_uniform_spacing_flag) { int i; for (i = 0; i < encoder->cfg.tiles_width_count - 1; ++i) { WRITE_UE(stream, encoder->tiles_col_width[i] - 1, "column_width_minus1[...]"); } for (i = 0; i < encoder->cfg.tiles_height_count - 1; ++i) { WRITE_UE(stream, encoder->tiles_row_height[i] - 1, "row_height_minus1[...]"); } } else { WRITE_UE(stream, encoder->cfg.tiles_width_count - 1, "num_tile_columns_minus1"); WRITE_UE(stream, encoder->cfg.tiles_height_count - 1, "num_tile_rows_minus1"); // ToDo: Signal the tiles properly } WRITE_U(stream, 0, 1, "brick_splitting_present_flag"); WRITE_U(stream, 1, 1, "single_brick_per_slice_flag"); WRITE_U(stream, 0, 1, "loop_filter_across_bricks_enabled_flag"); // if loop_filter_across_bricks_enabled_flag //WRITE_U(stream, 0, 1, "loop_filter_across_tiles_enabled_flag"); } */ WRITE_U(stream, 0, 1, "cabac_init_present_flag"); WRITE_UE(stream, 0, "num_ref_idx_l0_default_active_minus1"); WRITE_UE(stream, 0, "num_ref_idx_l1_default_active_minus1"); WRITE_U(stream, 0, 1, "rpl1_idx_present_flag"); WRITE_U(stream, 0, 1, "weighted_pred_flag"); // Use of Weighting Prediction (P_SLICE) WRITE_U(stream, 0, 1, "weighted_bipred_flag"); // Use of Weighting Bi-Prediction (B_SLICE) WRITE_U(stream, 0, 1, "pps_ref_wraparound_enabled_flag"); WRITE_SE(stream, ((int8_t)encoder->cfg.qp) - 26, "init_qp_minus26"); WRITE_U(stream, encoder->max_qp_delta_depth >= 0 ? 1:0, 1, "cu_qp_delta_enabled_flag"); if (encoder->max_qp_delta_depth >= 0) { // Use separate QP for each LCU when rate control is enabled. WRITE_UE(stream, encoder->max_qp_delta_depth, "diff_cu_qp_delta_depth"); } WRITE_U(stream, 0,1, "pps_chroma_tool_offsets_present_flag"); /* // If chroma_tool_offsets_present //TODO: add QP offsets WRITE_SE(stream, 0, "pps_cb_qp_offset"); WRITE_SE(stream, 0, "pps_cr_qp_offset"); WRITE_U(stream, 0, 1, "pps_joint_cbcr_qp_offset_present_flag"); // If pps_joint_cbcr_qp_offset_present_flag //WRITE_SE(stream, 0, "pps_joint_cbcr_qp_offset"); WRITE_U(stream, 0, 1, "pps_slice_chroma_qp_offsets_present_flag"); WRITE_U(stream, 0, 1, "cu_chroma_qp_offset_enabled_flag"); */ WRITE_U(stream, 1, 1, "deblocking_filter_control_present_flag"); //IF deblocking_filter WRITE_U(stream, 0, 1, "deblocking_filter_override_enabled_flag"); WRITE_U(stream, encoder->cfg.deblock_enable ? 0 : 1, 1, "pps_disable_deblocking_filter_flag"); //IF !disabled if (encoder->cfg.deblock_enable) { WRITE_SE(stream, encoder->cfg.deblock_beta, "pps_beta_offset_div2"); WRITE_SE(stream, encoder->cfg.deblock_tc, "pps_tc_offset_div2"); } WRITE_U(stream, 0, 1, "picture_header_extension_present_flag"); WRITE_U(stream, 0, 1, "slice_header_extension_present_flag"); WRITE_U(stream, 0, 1, "pps_extension_present_flag"); kvz_bitstream_add_rbsp_trailing_bits(stream); } static void encoder_state_write_bitstream_prefix_sei_version(encoder_state_t * const state) { #define STR_BUF_LEN 1000 bitstream_t * const stream = &state->stream; int i, length; char buf[STR_BUF_LEN] = { 0 }; char *s = buf + 16; const kvz_config * const cfg = &state->encoder_control->cfg; // random uuid_iso_iec_11578 generated with www.famkruithof.net/uuid/uuidgen static const uint8_t uuid[16] = { 0x32, 0xfe, 0x46, 0x6c, 0x98, 0x41, 0x42, 0x69, 0xae, 0x35, 0x6a, 0x91, 0x54, 0x9e, 0xf3, 0xf1 }; memcpy(buf, uuid, 16); // user_data_payload_byte s += sprintf(s, "uvg266 VVC Encoder v. " VERSION_STRING " - " "Copyleft 2020- - http://ultravideo.fi/ - options:"); s += sprintf(s, " %dx%d", cfg->width, cfg->height); s += sprintf(s, " deblock=%d:%d:%d", cfg->deblock_enable, cfg->deblock_beta, cfg->deblock_tc); s += sprintf(s, " sao=%d", cfg->sao_type); s += sprintf(s, " intra_period=%d", cfg->intra_period); s += sprintf(s, " qp=%d", cfg->qp); s += sprintf(s, " ref=%d", cfg->ref_frames); length = (int)(s - buf + 1); // length, +1 for \0 // Assert this so that in the future if the message gets longer, we remember // to increase the buf len. Divide by 2 for margin. assert(length < STR_BUF_LEN / 2); // payloadType = 5 -> user_data_unregistered WRITE_U(stream, 5, 8, "last_payload_type_byte"); // payloadSize for (i = 0; i <= length - 255; i += 255) WRITE_U(stream, 255, 8, "ff_byte"); WRITE_U(stream, length - i, 8, "last_payload_size_byte"); for (i = 0; i < length; i++) WRITE_U(stream, ((uint8_t *)buf)[i], 8, "sei_payload"); // The bitstream is already aligned, but align it anyway. kvz_bitstream_align(stream); #undef STR_BUF_LEN } /* static void encoder_state_write_active_parameter_sets_sei_message(encoder_state_t * const state) { const encoder_control_t * const encoder = state->encoder_control; bitstream_t * const stream = &state->stream; int i = 0; int active_vps_id = 0; int self_contained_cvs_flag = 0; int no_parameter_set_update_flag = 0; int num_sps_ids_minus1 = 0; int layer_sps_idx = 0; int active_seq_parameter_set_id = 0; int vps_base_layer_internal_flag = 0; int max_layers_minus1 = 0; WRITE_U(stream, 129, 8, "last_payload_type_byte"); //active_parameter_sets WRITE_U(stream, 2, 8, "last_payload_size_byte"); WRITE_U(stream, active_vps_id, 4, "active_video_parameter_set_id"); WRITE_U(stream, self_contained_cvs_flag, 1, "self_contained_cvs_flag"); WRITE_U(stream, no_parameter_set_update_flag, 1, "no_parameter_set_update_flag"); WRITE_UE(stream, num_sps_ids_minus1, "num_sps_ids_minus1"); //for (i = 0; i <= num_sps_ids_minus1; ++i) { WRITE_UE(stream, active_seq_parameter_set_id, "active_seq_parameter_set_id"); //} // for (i = vps_base_layer_internal_flag; i <= max_layers_minus1; ++i){ WRITE_UE(stream, layer_sps_idx, "layer_sps_idx"); //} kvz_bitstream_rbsp_trailing_bits(stream); //rbsp_trailing_bits } */ static void encoder_state_write_picture_timing_sei_message(encoder_state_t * const state) { bitstream_t * const stream = &state->stream; if (state->encoder_control->vui.frame_field_info_present_flag){ int8_t odd_picture = state->frame->num % 2; int8_t pic_struct = 0; //0: progressive picture, 1: top field, 2: bottom field, 3... int8_t source_scan_type = 1; //0: interlaced, 1: progressive switch (state->tile->frame->source->interlacing){ case 0: //Progressive frame pic_struct = 0; source_scan_type = 1; break; case 1: //Top field first pic_struct = odd_picture ? 2 : 1; source_scan_type = 0; break; case 2: //Bottom field first pic_struct = odd_picture ? 1 : 2; source_scan_type = 0; break; default: assert(0); //Should never execute break; } WRITE_U(stream, 1, 8, "last_payload_type_byte"); //pic_timing WRITE_U(stream, 1, 8, "last_payload_size_byte"); WRITE_U(stream, pic_struct, 4, "pic_struct"); WRITE_U(stream, source_scan_type, 2, "source_scan_type"); WRITE_U(stream, 0, 1, "duplicate_flag"); kvz_bitstream_align(stream); } } // ToDo: Enable tiles/wpp static void encoder_state_entry_points_explore(const encoder_state_t * const state, int * const r_count, int * const r_max_length) { int i; for (i = 0; state->children[i].encoder_control; ++i) { if (state->children[i].is_leaf) { const int my_length = kvz_bitstream_tell(&state->children[i].stream)/8; ++(*r_count); if (my_length > *r_max_length) { *r_max_length = my_length; } } else { encoder_state_entry_points_explore(&state->children[i], r_count, r_max_length); } } } static void encoder_state_write_bitstream_entry_points_write(bitstream_t * const stream, const encoder_state_t * const state, const int num_entry_points, const int write_length, int * const r_count) { int i; for (i = 0; state->children[i].encoder_control; ++i) { if (state->children[i].is_leaf) { const int my_length = kvz_bitstream_tell(&state->children[i].stream)/8; ++(*r_count); //Don't write the last one if (*r_count < num_entry_points) { WRITE_U(stream, my_length - 1, write_length, "entry_point_offset-minus1") } } else { encoder_state_write_bitstream_entry_points_write(stream, &state->children[i], num_entry_points, write_length, r_count); } } } static void kvz_encoder_state_write_bitstream_picture_header( struct bitstream_t * const stream, struct encoder_state_t * const state) { const encoder_control_t * const encoder = state->encoder_control; #ifdef KVZ_DEBUG printf("=========== Picture Header ===========\n"); #endif if (state->frame->pictype == KVZ_NAL_IDR_W_RADL || state->frame->pictype == KVZ_NAL_IDR_N_LP) { WRITE_U(stream, 1, 1, "ph_gdr_or_irap_pic_flag"); #if JVET_S0076_ASPECT1 WRITE_U(stream, 0, 1, "ph_non_ref_pic_flag"); #endif WRITE_U(stream, 0, 1, "ph_gdr_pic_flag"); WRITE_U(stream, 0, 1, "ph_inter_slice_allowed_flag"); } else { WRITE_U(stream, 0, 1, "ph_gdr_or_irap_pic_flag"); #if JVET_S0076_ASPECT1 WRITE_U(stream, 0, 1, "ph_non_ref_pic_flag"); #endif WRITE_U(stream, 1, 1, "ph_inter_slice_allowed_flag"); WRITE_U(stream, 1, 1, "ph_intra_slice_allowed_flag"); } #if !JVET_S0076_ASPECT1 WRITE_U(stream, 0, 1, "non_reference_picture_flag"); #endif WRITE_UE(stream, 0, "ph_pic_parameter_set_id"); WRITE_U(stream, state->frame->poc & 0x1f, 5, "ph_pic_order_cnt_lsb"); if (state->frame->pictype == KVZ_NAL_IDR_W_RADL || state->frame->pictype == KVZ_NAL_IDR_N_LP) { } else { if (state->encoder_control->cfg.tmvp_enable) { WRITE_U(stream, state->encoder_control->cfg.tmvp_enable, 1, "ph_pic_temporal_mvp_enabled_flag"); } WRITE_U(stream, 0, 1, "ph_mvd_l1_zero_flag"); } // alf enable flags and aps IDs if (encoder->cfg.alf_type) { if (encoder->cfg.alf_info_in_ph_flag) { /* WRITE_FLAG(picHeader->getAlfEnabledFlag(COMPONENT_Y), "ph_alf_enabled_flag"); if (picHeader->getAlfEnabledFlag(COMPONENT_Y)) { WRITE_CODE(picHeader->getNumAlfAps(), 3, "ph_num_alf_aps_ids_luma"); const std::vector& apsId = picHeader->getAlfAPSs(); for (int i = 0; i < picHeader->getNumAlfAps(); i++) { WRITE_CODE(apsId[i], 3, "ph_alf_aps_id_luma"); } const int alfChromaIdc = picHeader->getAlfEnabledFlag(COMPONENT_Cb) + picHeader->getAlfEnabledFlag(COMPONENT_Cr) * 2; if (sps->getChromaFormatIdc() != CHROMA_400) { WRITE_CODE(picHeader->getAlfEnabledFlag(COMPONENT_Cb), 1, "ph_alf_cb_enabled_flag"); WRITE_CODE(picHeader->getAlfEnabledFlag(COMPONENT_Cr), 1, "ph_alf_cr_enabled_flag"); } if (alfChromaIdc) { WRITE_CODE(picHeader->getAlfApsIdChroma(), 3, "ph_alf_aps_id_chroma"); } if (sps->getCCALFEnabledFlag()) { WRITE_FLAG(picHeader->getCcAlfEnabledFlag(COMPONENT_Cb), "ph_cc_alf_cb_enabled_flag"); if (picHeader->getCcAlfEnabledFlag(COMPONENT_Cb)) { WRITE_CODE(picHeader->getCcAlfCbApsId(), 3, "ph_cc_alf_cb_aps_id"); } WRITE_FLAG(picHeader->getCcAlfEnabledFlag(COMPONENT_Cr), "ph_cc_alf_cr_enabled_flag"); if (picHeader->getCcAlfEnabledFlag(COMPONENT_Cr)) { WRITE_CODE(picHeader->getCcAlfCrApsId(), 3, "ph_cc_alf_cr_aps_id"); } } }*/ } else { /*state->tile->frame->ctu_enable_flag[COMPONENT_Y] = true; state->tile->frame->ctu_enable_flag[COMPONENT_Cb] = true; state->tile->frame->ctu_enable_flag[COMPONENT_Cr] = true; state->tile->frame->alf_cc_enable_flag[COMPONENT_Cb] = encoder->cfg.alf_type == 2 ? 1 : 0; state->tile->frame->alf_cc_enable_flag[COMPONENT_Cr] = encoder->cfg.alf_type == 2 ? 1 : 0;*/ } } else { /*state->tile->frame->ctu_enable_flag[COMPONENT_Y] = false; state->tile->frame->ctu_enable_flag[COMPONENT_Cb] = false; state->tile->frame->ctu_enable_flag[COMPONENT_Cr] = false; state->tile->frame->alf_cc_enable_flag[COMPONENT_Cb] = false; state->tile->frame->alf_cc_enable_flag[COMPONENT_Cr] = false;*/ } if (encoder->cfg.lmcs_enable) { WRITE_U(stream, state->tile->frame->lmcs_aps->m_sliceReshapeInfo.sliceReshaperEnableFlag, 1, "ph_lmcs_enabled_flag"); if (state->tile->frame->lmcs_aps->m_sliceReshapeInfo.sliceReshaperEnableFlag) { WRITE_U(stream, 0, 2, "ph_lmcs_aps_id"); if (encoder->chroma_format != KVZ_CSP_400) { WRITE_U(stream, state->tile->frame->lmcs_aps->m_sliceReshapeInfo.enableChromaAdj, 1, "ph_chroma_residual_scale_flag"); } } } // getDeblockingFilterControlPresentFlag // END PICTURE HEADER } static void kvz_encoder_state_write_bitstream_ref_pic_list( struct bitstream_t* const stream, struct encoder_state_t* const state) { int j; int ref_negative = 0; int ref_positive = 0; const encoder_control_t* const encoder = state->encoder_control; if (encoder->cfg.gop_len) { for (j = 0; j < state->frame->ref->used_size; j++) { if (state->frame->ref->pocs[j] < state->frame->poc) { ref_negative++; } else { ref_positive++; } } } else ref_negative = state->frame->ref->used_size; int last_poc = 0; int poc_shift = 0; WRITE_UE(stream, ref_negative, "num_ref_entries[0]"); for (j = 0; j < ref_negative; j++) { int8_t delta_poc = 0; if (encoder->cfg.gop_len) { int8_t found = 0; do { delta_poc = encoder->cfg.gop[state->frame->gop_offset].ref_neg[j + poc_shift]; for (int i = 0; i < state->frame->ref->used_size; i++) { if (state->frame->ref->pocs[i] == state->frame->poc - delta_poc) { found = 1; break; } } if (!found) poc_shift++; if (j + poc_shift == ref_negative) { fprintf(stderr, "Failure, reference not found!"); exit(EXIT_FAILURE); } } while (!found); } /* WRITE_U(stream, j, 1, "inter_layer_ref_pic_flag"); if (j) { WRITE_UE(stream, j, "ilrp_idx"); } */ WRITE_UE(stream, delta_poc ? delta_poc - last_poc - 1 : 0, "abs_delta_poc_st"); if (delta_poc+1) WRITE_U(stream, 1, 1, "strp_entry_sign_flag"); last_poc = delta_poc; } last_poc = 0; poc_shift = 0; WRITE_UE(stream, ref_positive, "num_ref_entries[1]"); for (j = 0; j < ref_positive; j++) { int8_t delta_poc = 0; if (encoder->cfg.gop_len) { int8_t found = 0; do { delta_poc = encoder->cfg.gop[state->frame->gop_offset].ref_pos[j + poc_shift]; for (int i = 0; i < state->frame->ref->used_size; i++) { if (state->frame->ref->pocs[i] == state->frame->poc + delta_poc) { found = 1; break; } } if (!found) poc_shift++; if (j + poc_shift == ref_positive) { fprintf(stderr, "Failure, reference not found!"); exit(EXIT_FAILURE); } } while (!found); } /* WRITE_U(stream, j, 1, "inter_layer_ref_pic_flag"); if (j) { WRITE_UE(stream, j, "ilrp_idx"); } */ WRITE_UE(stream, delta_poc ? delta_poc - last_poc - 1 : 0, "abs_delta_poc_st"); if (delta_poc+1) WRITE_U(stream, 0, 1, "strp_entry_sign_flag"); last_poc = delta_poc; } if (ref_negative > 1 || ref_positive > 1) { WRITE_U(stream, 1, 1, "sh_num_ref_idx_active_override_flag"); if (ref_negative > 1) WRITE_UE(stream, ref_negative - 1, "sh_num_ref_idx_active_minus1[0]"); if (ref_positive > 1) WRITE_UE(stream, ref_positive - 1, "sh_num_ref_idx_active_minus1[1]"); } } void kvz_encoder_state_write_bitstream_slice_header( struct bitstream_t * const stream, struct encoder_state_t * const state, bool independent) { const encoder_control_t * const encoder = state->encoder_control; #ifdef KVZ_DEBUG printf("=========== Slice ===========\n"); #endif bool first_slice_segment_in_pic = (state->slice->start_in_rs == 0); if ((state->encoder_control->cfg.slices & KVZ_SLICES_WPP) && state->wfrow->lcu_offset_y > 0) { first_slice_segment_in_pic = false; } //WRITE_U(stream, first_slice_segment_in_pic, 1, "first_slice_segment_in_pic_flag"); WRITE_U(stream, 1, 1, "picture_header_in_slice_header_flag"); kvz_encoder_state_write_bitstream_picture_header(stream, state); if (encoder->cfg.jccr) { WRITE_U(stream, 0, 1, "ph_joint_cbcr_sign_flag"); } if (state->frame->pictype != KVZ_NAL_IDR_W_RADL && state->frame->pictype != KVZ_NAL_IDR_N_LP) { WRITE_UE(stream, state->frame->slicetype, "sh_slice_type"); kvz_encoder_state_write_bitstream_ref_pic_list(stream, state); } if (state->frame->pictype == KVZ_NAL_CRA_NUT || state->frame->pictype == KVZ_NAL_IDR_N_LP || state->frame->pictype == KVZ_NAL_IDR_W_RADL || state->frame->pictype == KVZ_NAL_GDR_NUT) { WRITE_U(stream, 0, 1, "sh_no_output_of_prior_pics_flag"); } //alf if (encoder->cfg.alf_type && !encoder->cfg.alf_info_in_ph_flag) { const int alf_enabled = state->slice->alf->tile_group_alf_enabled_flag[COMPONENT_Y]; WRITE_U(stream, alf_enabled, 1, "slice_alf_enabled_flag"); if (alf_enabled) { WRITE_U(stream, state->slice->alf->tile_group_num_aps, 3, "slice_num_alf_aps_ids_luma"); const int8_t* aps_ids = state->slice->alf->tile_group_luma_aps_id; for (int i = 0; i < state->slice->alf->tile_group_num_aps; i++) { WRITE_U(stream, aps_ids[i], 3, "slice_alf_aps_id_luma"); } const int alf_chroma_idc = state->slice->alf->tile_group_alf_enabled_flag[COMPONENT_Cb] + state->slice->alf->tile_group_alf_enabled_flag[COMPONENT_Cr] * 2; if (encoder->chroma_format != KVZ_CSP_400) { WRITE_U(stream, state->slice->alf->tile_group_alf_enabled_flag[COMPONENT_Cb], 1, "slice_alf_cb_enabled_flag"); WRITE_U(stream, state->slice->alf->tile_group_alf_enabled_flag[COMPONENT_Cr], 1, "slice_alf_cr_enabled_flag"); } if (alf_chroma_idc) { WRITE_U(stream, state->slice->alf->tile_group_chroma_aps_id, 3, "slice_alf_aps_id_chroma"); } if (encoder->cfg.alf_type == KVZ_ALF_FULL) { WRITE_U(stream, state->slice->alf->cc_filter_param->cc_alf_filter_enabled[COMPONENT_Cb - 1], 1, "slice_cc_alf_cb_enabled_flag"); if (state->slice->alf->cc_filter_param->cc_alf_filter_enabled[COMPONENT_Cb - 1]) { // write CC ALF Cb APS ID WRITE_U(stream, state->slice->alf->tile_group_cc_alf_cb_aps_id, 3, "slice_cc_alf_cb_aps_id"); } // Cr WRITE_U(stream, state->slice->alf->cc_filter_param->cc_alf_filter_enabled[COMPONENT_Cr - 1], 1, "slice_cc_alf_cr_enabled_flag"); if (state->slice->alf->cc_filter_param->cc_alf_filter_enabled[COMPONENT_Cr - 1]) { // write CC ALF Cr APS ID WRITE_U(stream, state->slice->alf->tile_group_cc_alf_cr_aps_id, 3, "slice_cc_alf_cr_aps_id"); } } } } if (state->frame->slicetype != KVZ_SLICE_I && state->encoder_control->cfg.tmvp_enable) { //WRITE_U(stream, ref_negative ? 1 : 0, 1, "slice_temporal_mvp_enabled_flag"); if (state->frame->slicetype == KVZ_SLICE_B) { WRITE_U(stream, 0, 1, "sh_collocated_from_l0_flag"); } } int slice_qp_delta = state->frame->QP - encoder->cfg.qp; WRITE_SE(stream, slice_qp_delta, "sh_qp_delta"); if (encoder->cfg.sao_type) { WRITE_U(stream, 1, 1, "sh_sao_luma_flag"); if (encoder->chroma_format != KVZ_CSP_400) { WRITE_U(stream, 1, 1, "sh_sao_chroma_flag"); } } // ToDo: depquant if (state->encoder_control->cfg.signhide_enable) { WRITE_U(stream, 1, 1, "sh_sign_data_hiding_used_flag"); } if (state->encoder_control->cfg.trskip_enable && !state->encoder_control->cfg.signhide_enable /* && !cfg.dep_quant*/) { // TODO: find out what this is actually about and parametrize it WRITE_U(stream, 0, 1, "sh_ts_residual_coding_disabled_flag"); } if (state->frame->slicetype != KVZ_SLICE_I) { // BT Size set only with non-I-frames, in I-frames the size is 32x32 // but in other frames it is CTU size >> //WRITE_UE(stream, 0, "max_binary_tree_unit_size"); // Max BT size == CTU size } if (encoder->tiles_enable || encoder->cfg.wpp) { int num_entry_points = 0; int max_length_seen = 0; if (state->is_leaf) { num_entry_points = 1; } else { encoder_state_entry_points_explore(state, &num_entry_points, &max_length_seen); } int num_offsets = num_entry_points - 1; //WRITE_UE(stream, num_offsets, "num_entry_point_offsets"); if (num_offsets > 0) { int entry_points_written = 0; int offset_len = kvz_math_floor_log2(max_length_seen) + 1; WRITE_UE(stream, offset_len - 1, "offset_len_minus1"); encoder_state_write_bitstream_entry_points_write(stream, state, num_entry_points, offset_len, &entry_points_written); } } //WRITE_U(stream, 0, 1, "slice_ts_residual_coding_disabled_flag"); //kvz_bitstream_align(stream); } /** * \brief Add a checksum SEI message to the bitstream. * \param encoder The encoder. * \returns Void */ static void add_checksum(encoder_state_t * const state) { bitstream_t * const stream = &state->stream; const videoframe_t * const frame = state->tile->frame; unsigned char checksum[3][SEI_HASH_MAX_LENGTH]; kvz_nal_write(stream, KVZ_NAL_SUFFIX_SEI_NUT, 0, 0); WRITE_U(stream, 132, 8, "sei_type"); int num_colors = (state->encoder_control->chroma_format == KVZ_CSP_400 ? 1 : 3); switch (state->encoder_control->cfg.hash) { case KVZ_HASH_CHECKSUM: kvz_image_checksum(frame->rec, checksum, state->encoder_control->bitdepth); WRITE_U(stream, 2 + num_colors * 4, 8, "size"); WRITE_U(stream, 2, 8, "hash_type"); // 2 = checksum WRITE_U(stream, num_colors==1, 1, "dph_sei_single_component_flag"); WRITE_U(stream, 0, 7, "dph_sei_reserved_zero_7bits"); for (int i = 0; i < num_colors; ++i) { uint32_t checksum_val = ( (checksum[i][0] << 24) + (checksum[i][1] << 16) + (checksum[i][2] << 8) + (checksum[i][3])); WRITE_U(stream, checksum_val, 32, "picture_checksum"); CHECKPOINT("checksum[%d] = %u", i, checksum_val); } break; case KVZ_HASH_MD5: kvz_image_md5(frame->rec, checksum, state->encoder_control->bitdepth); WRITE_U(stream, 2 + num_colors * 16, 8, "size"); WRITE_U(stream, 0, 8, "hash_type"); // 0 = md5 WRITE_U(stream, num_colors==1, 1, "dph_sei_single_component_flag"); WRITE_U(stream, 0, 7, "dph_sei_reserved_zero_7bits"); for (int i = 0; i < num_colors; ++i) { for (int b = 0; b < 16; ++b) { WRITE_U(stream, checksum[i][b], 8, "picture_md5"); } } break; case KVZ_HASH_NONE: // Means we shouldn't be writing this SEI. assert(0); } kvz_bitstream_align(stream); // spec:sei_rbsp() rbsp_trailing_bits kvz_bitstream_add_rbsp_trailing_bits(stream); } static void encoder_state_write_slice_header( bitstream_t * stream, encoder_state_t * state, bool independent) { kvz_nal_write(stream, state->frame->pictype, (state->frame->pictype==KVZ_NAL_STSA)?1:0, state->frame->first_nal); state->frame->first_nal = false; kvz_encoder_state_write_bitstream_slice_header(stream, state, independent); kvz_bitstream_add_rbsp_trailing_bits(stream); } /** * \brief Move child state bitstreams to the parent stream. */ static void encoder_state_write_bitstream_children(encoder_state_t * const state) { // Write Slice headers to the parent stream instead of the child stream // in case the child stream is a leaf with something in it already. for (int i = 0; state->children[i].encoder_control; ++i) { if (state->children[i].type == ENCODER_STATE_TYPE_SLICE) { encoder_state_write_slice_header(&state->stream, &state->children[i], true); } else if (state->children[i].type == ENCODER_STATE_TYPE_WAVEFRONT_ROW) { if ((state->encoder_control->cfg.slices & KVZ_SLICES_WPP) && i != 0) { // Add header for dependent WPP row slice. encoder_state_write_slice_header(&state->stream, &state->children[i], false); } } kvz_encoder_state_write_bitstream(&state->children[i]); kvz_bitstream_move(&state->stream, &state->children[i].stream); } } static void encoder_state_write_bitstream_main(encoder_state_t * const state) { const encoder_control_t * const encoder = state->encoder_control; bitstream_t * const stream = &state->stream; uint64_t curpos = kvz_bitstream_tell(stream); // The first NAL unit of the access unit must use a long start code. state->frame->first_nal = true; // Access Unit Delimiter (AUD) if (encoder->cfg.aud_enable) { state->frame->first_nal = false; encoder_state_write_bitstream_aud(state); } if (encoder_state_must_write_vps(state)) { state->frame->first_nal = false; kvz_encoder_state_write_parameter_sets(&state->stream, state); } // Send Kvazaar version information only in the first frame. if (state->frame->num == 0 && encoder->cfg.add_encoder_info) { kvz_nal_write(stream, KVZ_NAL_PREFIX_SEI_NUT, 0, state->frame->first_nal); state->frame->first_nal = false; encoder_state_write_bitstream_prefix_sei_version(state); // spec:sei_rbsp() rbsp_trailing_bits kvz_bitstream_add_rbsp_trailing_bits(stream); } //SEI messages for interlacing if (encoder->vui.frame_field_info_present_flag) { // These should be optional, needed for earlier versions // of HM decoder to accept bitstream //kvz_nal_write(stream, KVZ_NAL_PREFIX_SEI_NUT, 0, 0); //encoder_state_write_active_parameter_sets_sei_message(state); //kvz_bitstream_rbsp_trailing_bits(stream); kvz_nal_write(stream, KVZ_NAL_PREFIX_SEI_NUT, 0, state->frame->first_nal); state->frame->first_nal = false; encoder_state_write_picture_timing_sei_message(state); // spec:sei_rbsp() rbsp_trailing_bits kvz_bitstream_add_rbsp_trailing_bits(stream); } kvz_encode_lmcs_adaptive_parameter_set(state); // Adaptation parameter set (APS) kvz_encode_alf_adaptive_parameter_set(state); encoder_state_write_bitstream_children(state); if (state->encoder_control->cfg.hash != KVZ_HASH_NONE) { // Calculate checksum add_checksum(state); } //kvz_nal_write(stream, KVZ_NAL_EOS_NUT, 0, 1); //kvz_nal_write(stream, KVZ_NAL_EOS_NUT, 0, 1); //Get bitstream length for stats uint64_t newpos = kvz_bitstream_tell(stream); state->stats_bitstream_length = (newpos >> 3) - (curpos >> 3); if (state->frame->num > 0) { state->frame->total_bits_coded = state->previous_encoder_state->frame->total_bits_coded; } state->frame->total_bits_coded += newpos - curpos; state->frame->cur_gop_bits_coded = state->previous_encoder_state->frame->cur_gop_bits_coded; state->frame->cur_gop_bits_coded += newpos - curpos; } void kvz_encoder_state_write_bitstream(encoder_state_t * const state) { if (!state->is_leaf) { switch (state->type) { case ENCODER_STATE_TYPE_MAIN: encoder_state_write_bitstream_main(state); break; case ENCODER_STATE_TYPE_TILE: case ENCODER_STATE_TYPE_SLICE: encoder_state_write_bitstream_children(state); break; default: fprintf(stderr, "Unsupported node type %c!\n", state->type); assert(0); } } } void kvz_encoder_state_worker_write_bitstream(void * opaque) { kvz_encoder_state_write_bitstream((encoder_state_t *) opaque); } void kvz_encoder_state_write_parameter_sets(bitstream_t *stream, encoder_state_t * const state) { // Video Parameter Set (VPS) //kvz_nal_write(stream, KVZ_NAL_VPS_NUT, 0, 1); //encoder_state_write_bitstream_vid_parameter_set(stream, state); // Sequence Parameter Set (SPS) kvz_nal_write(stream, KVZ_NAL_SPS_NUT, 0, 1); encoder_state_write_bitstream_seq_parameter_set(stream, state); // Picture Parameter Set (PPS) kvz_nal_write(stream, KVZ_NAL_PPS_NUT, 0, 1); encoder_state_write_bitstream_pic_parameter_set(stream, state); }