| /* |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <va/va.h> |
| #include <va/va_enc_hevc.h> |
| |
| #include "libavutil/avassert.h" |
| #include "libavutil/internal.h" |
| #include "libavutil/opt.h" |
| #include "libavutil/pixfmt.h" |
| |
| #include "avcodec.h" |
| #include "hevc.h" |
| #include "internal.h" |
| #include "put_bits.h" |
| #include "vaapi_encode.h" |
| #include "vaapi_encode_h26x.h" |
| |
| |
| #define MAX_ST_REF_PIC_SETS 32 |
| #define MAX_DPB_PICS 16 |
| #define MAX_LAYERS 1 |
| |
| |
| typedef struct VAAPIEncodeH265STRPS { |
| char inter_ref_pic_set_prediction_flag; |
| |
| unsigned int num_negative_pics; |
| unsigned int num_positive_pics; |
| |
| unsigned int delta_poc_s0_minus1[MAX_DPB_PICS]; |
| char used_by_curr_pic_s0_flag[MAX_DPB_PICS]; |
| |
| unsigned int delta_poc_s1_minus1[MAX_DPB_PICS]; |
| char used_by_curr_pic_s1_flag[MAX_DPB_PICS]; |
| } VAAPIEncodeH265STRPS; |
| |
| // This structure contains all possibly-useful per-sequence syntax elements |
| // which are not already contained in the various VAAPI structures. |
| typedef struct VAAPIEncodeH265MiscSequenceParams { |
| |
| // Parameter set IDs. |
| unsigned int video_parameter_set_id; |
| unsigned int seq_parameter_set_id; |
| |
| // Layering. |
| unsigned int vps_max_layers_minus1; |
| unsigned int vps_max_sub_layers_minus1; |
| char vps_temporal_id_nesting_flag; |
| unsigned int vps_max_layer_id; |
| unsigned int vps_num_layer_sets_minus1; |
| unsigned int sps_max_sub_layers_minus1; |
| char sps_temporal_id_nesting_flag; |
| char layer_id_included_flag[MAX_LAYERS][64]; |
| |
| // Profile/tier/level parameters. |
| char general_profile_compatibility_flag[32]; |
| char general_progressive_source_flag; |
| char general_interlaced_source_flag; |
| char general_non_packed_constraint_flag; |
| char general_frame_only_constraint_flag; |
| char general_inbld_flag; |
| |
| // Decode/display ordering parameters. |
| unsigned int log2_max_pic_order_cnt_lsb_minus4; |
| char vps_sub_layer_ordering_info_present_flag; |
| unsigned int vps_max_dec_pic_buffering_minus1[MAX_LAYERS]; |
| unsigned int vps_max_num_reorder_pics[MAX_LAYERS]; |
| unsigned int vps_max_latency_increase_plus1[MAX_LAYERS]; |
| char sps_sub_layer_ordering_info_present_flag; |
| unsigned int sps_max_dec_pic_buffering_minus1[MAX_LAYERS]; |
| unsigned int sps_max_num_reorder_pics[MAX_LAYERS]; |
| unsigned int sps_max_latency_increase_plus1[MAX_LAYERS]; |
| |
| // Timing information. |
| char vps_timing_info_present_flag; |
| unsigned int vps_num_units_in_tick; |
| unsigned int vps_time_scale; |
| char vps_poc_proportional_to_timing_flag; |
| unsigned int vps_num_ticks_poc_diff_minus1; |
| |
| // Cropping information. |
| char conformance_window_flag; |
| unsigned int conf_win_left_offset; |
| unsigned int conf_win_right_offset; |
| unsigned int conf_win_top_offset; |
| unsigned int conf_win_bottom_offset; |
| |
| // Short-term reference picture sets. |
| unsigned int num_short_term_ref_pic_sets; |
| VAAPIEncodeH265STRPS st_ref_pic_set[MAX_ST_REF_PIC_SETS]; |
| |
| // Long-term reference pictures. |
| char long_term_ref_pics_present_flag; |
| unsigned int num_long_term_ref_pics_sps; |
| struct { |
| unsigned int lt_ref_pic_poc_lsb_sps; |
| char used_by_curr_pic_lt_sps_flag; |
| } lt_ref_pic; |
| |
| // Deblocking filter control. |
| char deblocking_filter_control_present_flag; |
| char deblocking_filter_override_enabled_flag; |
| char pps_deblocking_filter_disabled_flag; |
| int pps_beta_offset_div2; |
| int pps_tc_offset_div2; |
| |
| // Video Usability Information. |
| char vui_parameters_present_flag; |
| char aspect_ratio_info_present_flag; |
| unsigned int aspect_ratio_idc; |
| unsigned int sar_width; |
| unsigned int sar_height; |
| char video_signal_type_present_flag; |
| unsigned int video_format; |
| char video_full_range_flag; |
| char colour_description_present_flag; |
| unsigned int colour_primaries; |
| unsigned int transfer_characteristics; |
| unsigned int matrix_coeffs; |
| |
| // Oddments. |
| char uniform_spacing_flag; |
| char output_flag_present_flag; |
| char cabac_init_present_flag; |
| unsigned int num_extra_slice_header_bits; |
| char lists_modification_present_flag; |
| char pps_slice_chroma_qp_offsets_present_flag; |
| char pps_slice_chroma_offset_list_enabled_flag; |
| } VAAPIEncodeH265MiscSequenceParams; |
| |
| // This structure contains all possibly-useful per-slice syntax elements |
| // which are not already contained in the various VAAPI structures. |
| typedef struct VAAPIEncodeH265MiscSliceParams { |
| // Slice segments. |
| char first_slice_segment_in_pic_flag; |
| unsigned int slice_segment_address; |
| |
| // Short-term reference picture sets. |
| char short_term_ref_pic_set_sps_flag; |
| unsigned int short_term_ref_pic_idx; |
| VAAPIEncodeH265STRPS st_ref_pic_set; |
| |
| // Deblocking filter. |
| char deblocking_filter_override_flag; |
| |
| // Oddments. |
| char slice_reserved_flag[8]; |
| char no_output_of_prior_pics_flag; |
| char pic_output_flag; |
| } VAAPIEncodeH265MiscSliceParams; |
| |
| typedef struct VAAPIEncodeH265Slice { |
| VAAPIEncodeH265MiscSliceParams misc_slice_params; |
| |
| int64_t pic_order_cnt; |
| } VAAPIEncodeH265Slice; |
| |
| typedef struct VAAPIEncodeH265Context { |
| VAAPIEncodeH265MiscSequenceParams misc_sequence_params; |
| |
| unsigned int ctu_width; |
| unsigned int ctu_height; |
| |
| int fixed_qp_idr; |
| int fixed_qp_p; |
| int fixed_qp_b; |
| |
| int64_t last_idr_frame; |
| |
| // Rate control configuration. |
| struct { |
| VAEncMiscParameterBuffer misc; |
| VAEncMiscParameterRateControl rc; |
| } rc_params; |
| struct { |
| VAEncMiscParameterBuffer misc; |
| VAEncMiscParameterHRD hrd; |
| } hrd_params; |
| } VAAPIEncodeH265Context; |
| |
| typedef struct VAAPIEncodeH265Options { |
| int qp; |
| } VAAPIEncodeH265Options; |
| |
| |
| #define vseq_var(name) vseq->name, name |
| #define vseq_field(name) vseq->seq_fields.bits.name, name |
| #define vpic_var(name) vpic->name, name |
| #define vpic_field(name) vpic->pic_fields.bits.name, name |
| #define vslice_var(name) vslice->name, name |
| #define vslice_field(name) vslice->slice_fields.bits.name, name |
| #define mseq_var(name) mseq->name, name |
| #define mslice_var(name) mslice->name, name |
| #define mstrps_var(name) mstrps->name, name |
| |
| static void vaapi_encode_h265_write_nal_unit_header(PutBitContext *pbc, |
| int nal_unit_type) |
| { |
| u(1, 0, forbidden_zero_bit); |
| u(6, nal_unit_type, nal_unit_type); |
| u(6, 0, nuh_layer_id); |
| u(3, 1, nuh_temporal_id_plus1); |
| } |
| |
| static void vaapi_encode_h265_write_rbsp_trailing_bits(PutBitContext *pbc) |
| { |
| u(1, 1, rbsp_stop_one_bit); |
| while (put_bits_count(pbc) & 7) |
| u(1, 0, rbsp_alignment_zero_bit); |
| } |
| |
| static void vaapi_encode_h265_write_profile_tier_level(PutBitContext *pbc, |
| VAAPIEncodeContext *ctx) |
| { |
| VAEncSequenceParameterBufferHEVC *vseq = ctx->codec_sequence_params; |
| VAAPIEncodeH265Context *priv = ctx->priv_data; |
| VAAPIEncodeH265MiscSequenceParams *mseq = &priv->misc_sequence_params; |
| int j; |
| |
| if (1) { |
| u(2, 0, general_profile_space); |
| u(1, vseq_var(general_tier_flag)); |
| u(5, vseq_var(general_profile_idc)); |
| |
| for (j = 0; j < 32; j++) { |
| u(1, mseq_var(general_profile_compatibility_flag[j])); |
| } |
| |
| u(1, mseq_var(general_progressive_source_flag)); |
| u(1, mseq_var(general_interlaced_source_flag)); |
| u(1, mseq_var(general_non_packed_constraint_flag)); |
| u(1, mseq_var(general_frame_only_constraint_flag)); |
| |
| if (0) { |
| // Not main profile. |
| // Lots of extra constraint flags. |
| } else { |
| // put_bits only handles up to 31 bits. |
| u(23, 0, general_reserved_zero_43bits); |
| u(20, 0, general_reserved_zero_43bits); |
| } |
| |
| if (vseq->general_profile_idc >= 1 && vseq->general_profile_idc <= 5) { |
| u(1, mseq_var(general_inbld_flag)); |
| } else { |
| u(1, 0, general_reserved_zero_bit); |
| } |
| } |
| |
| u(8, vseq_var(general_level_idc)); |
| |
| // No sublayers. |
| } |
| |
| static void vaapi_encode_h265_write_vps(PutBitContext *pbc, |
| VAAPIEncodeContext *ctx) |
| { |
| VAAPIEncodeH265Context *priv = ctx->priv_data; |
| VAAPIEncodeH265MiscSequenceParams *mseq = &priv->misc_sequence_params; |
| int i, j; |
| |
| vaapi_encode_h265_write_nal_unit_header(pbc, NAL_VPS); |
| |
| u(4, mseq->video_parameter_set_id, vps_video_parameter_set_id); |
| |
| u(1, 1, vps_base_layer_internal_flag); |
| u(1, 1, vps_base_layer_available_flag); |
| u(6, mseq_var(vps_max_layers_minus1)); |
| u(3, mseq_var(vps_max_sub_layers_minus1)); |
| u(1, mseq_var(vps_temporal_id_nesting_flag)); |
| |
| u(16, 0xffff, vps_reserved_0xffff_16bits); |
| |
| vaapi_encode_h265_write_profile_tier_level(pbc, ctx); |
| |
| u(1, mseq_var(vps_sub_layer_ordering_info_present_flag)); |
| for (i = (mseq->vps_sub_layer_ordering_info_present_flag ? |
| 0 : mseq->vps_max_sub_layers_minus1); |
| i <= mseq->vps_max_sub_layers_minus1; i++) { |
| ue(mseq_var(vps_max_dec_pic_buffering_minus1[i])); |
| ue(mseq_var(vps_max_num_reorder_pics[i])); |
| ue(mseq_var(vps_max_latency_increase_plus1[i])); |
| } |
| |
| u(6, mseq_var(vps_max_layer_id)); |
| ue(mseq_var(vps_num_layer_sets_minus1)); |
| for (i = 1; i <= mseq->vps_num_layer_sets_minus1; i++) { |
| for (j = 0; j < mseq->vps_max_layer_id; j++) |
| u(1, mseq_var(layer_id_included_flag[i][j])); |
| } |
| |
| u(1, mseq_var(vps_timing_info_present_flag)); |
| if (mseq->vps_timing_info_present_flag) { |
| u(1, 0, put_bits_hack_zero_bit); |
| u(31, mseq_var(vps_num_units_in_tick)); |
| u(1, 0, put_bits_hack_zero_bit); |
| u(31, mseq_var(vps_time_scale)); |
| u(1, mseq_var(vps_poc_proportional_to_timing_flag)); |
| if (mseq->vps_poc_proportional_to_timing_flag) { |
| ue(mseq_var(vps_num_ticks_poc_diff_minus1)); |
| } |
| ue(0, vps_num_hrd_parameters); |
| } |
| |
| u(1, 0, vps_extension_flag); |
| |
| vaapi_encode_h265_write_rbsp_trailing_bits(pbc); |
| } |
| |
| static void vaapi_encode_h265_write_st_ref_pic_set(PutBitContext *pbc, |
| int st_rps_idx, |
| VAAPIEncodeH265STRPS *mstrps) |
| { |
| int i; |
| |
| if (st_rps_idx != 0) |
| u(1, mstrps_var(inter_ref_pic_set_prediction_flag)); |
| |
| if (mstrps->inter_ref_pic_set_prediction_flag) { |
| av_assert0(0 && "inter ref pic set prediction not supported"); |
| } else { |
| ue(mstrps_var(num_negative_pics)); |
| ue(mstrps_var(num_positive_pics)); |
| |
| for (i = 0; i < mstrps->num_negative_pics; i++) { |
| ue(mstrps_var(delta_poc_s0_minus1[i])); |
| u(1, mstrps_var(used_by_curr_pic_s0_flag[i])); |
| } |
| for (i = 0; i < mstrps->num_positive_pics; i++) { |
| ue(mstrps_var(delta_poc_s1_minus1[i])); |
| u(1, mstrps_var(used_by_curr_pic_s1_flag[i])); |
| } |
| } |
| } |
| |
| static void vaapi_encode_h265_write_vui_parameters(PutBitContext *pbc, |
| VAAPIEncodeContext *ctx) |
| { |
| VAAPIEncodeH265Context *priv = ctx->priv_data; |
| VAAPIEncodeH265MiscSequenceParams *mseq = &priv->misc_sequence_params; |
| |
| u(1, mseq_var(aspect_ratio_info_present_flag)); |
| if (mseq->aspect_ratio_info_present_flag) { |
| u(8, mseq_var(aspect_ratio_idc)); |
| if (mseq->aspect_ratio_idc == 255) { |
| u(16, mseq_var(sar_width)); |
| u(16, mseq_var(sar_height)); |
| } |
| } |
| |
| u(1, 0, overscan_info_present_flag); |
| |
| u(1, mseq_var(video_signal_type_present_flag)); |
| if (mseq->video_signal_type_present_flag) { |
| u(3, mseq_var(video_format)); |
| u(1, mseq_var(video_full_range_flag)); |
| u(1, mseq_var(colour_description_present_flag)); |
| if (mseq->colour_description_present_flag) { |
| u(8, mseq_var(colour_primaries)); |
| u(8, mseq_var(transfer_characteristics)); |
| u(8, mseq_var(matrix_coeffs)); |
| } |
| } |
| |
| u(1, 0, chroma_loc_info_present_flag); |
| u(1, 0, neutral_chroma_indication_flag); |
| u(1, 0, field_seq_flag); |
| u(1, 0, frame_field_info_present_flag); |
| u(1, 0, default_display_window_flag); |
| u(1, 0, vui_timing_info_present_flag); |
| u(1, 0, bitstream_restriction_flag_flag); |
| } |
| |
| static void vaapi_encode_h265_write_sps(PutBitContext *pbc, |
| VAAPIEncodeContext *ctx) |
| { |
| VAEncSequenceParameterBufferHEVC *vseq = ctx->codec_sequence_params; |
| VAAPIEncodeH265Context *priv = ctx->priv_data; |
| VAAPIEncodeH265MiscSequenceParams *mseq = &priv->misc_sequence_params; |
| int i; |
| |
| vaapi_encode_h265_write_nal_unit_header(pbc, NAL_SPS); |
| |
| u(4, mseq->video_parameter_set_id, sps_video_parameter_set_id); |
| |
| u(3, mseq_var(sps_max_sub_layers_minus1)); |
| u(1, mseq_var(sps_temporal_id_nesting_flag)); |
| |
| vaapi_encode_h265_write_profile_tier_level(pbc, ctx); |
| |
| ue(mseq->seq_parameter_set_id, sps_seq_parameter_set_id); |
| ue(vseq_field(chroma_format_idc)); |
| if (vseq->seq_fields.bits.chroma_format_idc == 3) |
| u(1, 0, separate_colour_plane_flag); |
| |
| ue(vseq_var(pic_width_in_luma_samples)); |
| ue(vseq_var(pic_height_in_luma_samples)); |
| |
| u(1, mseq_var(conformance_window_flag)); |
| if (mseq->conformance_window_flag) { |
| ue(mseq_var(conf_win_left_offset)); |
| ue(mseq_var(conf_win_right_offset)); |
| ue(mseq_var(conf_win_top_offset)); |
| ue(mseq_var(conf_win_bottom_offset)); |
| } |
| |
| ue(vseq_field(bit_depth_luma_minus8)); |
| ue(vseq_field(bit_depth_chroma_minus8)); |
| |
| ue(mseq_var(log2_max_pic_order_cnt_lsb_minus4)); |
| |
| u(1, mseq_var(sps_sub_layer_ordering_info_present_flag)); |
| for (i = (mseq->sps_sub_layer_ordering_info_present_flag ? |
| 0 : mseq->sps_max_sub_layers_minus1); |
| i <= mseq->sps_max_sub_layers_minus1; i++) { |
| ue(mseq_var(sps_max_dec_pic_buffering_minus1[i])); |
| ue(mseq_var(sps_max_num_reorder_pics[i])); |
| ue(mseq_var(sps_max_latency_increase_plus1[i])); |
| } |
| |
| ue(vseq_var(log2_min_luma_coding_block_size_minus3)); |
| ue(vseq_var(log2_diff_max_min_luma_coding_block_size)); |
| ue(vseq_var(log2_min_transform_block_size_minus2)); |
| ue(vseq_var(log2_diff_max_min_transform_block_size)); |
| ue(vseq_var(max_transform_hierarchy_depth_inter)); |
| ue(vseq_var(max_transform_hierarchy_depth_intra)); |
| |
| u(1, vseq_field(scaling_list_enabled_flag)); |
| if (vseq->seq_fields.bits.scaling_list_enabled_flag) { |
| u(1, 0, sps_scaling_list_data_present_flag); |
| } |
| |
| u(1, vseq_field(amp_enabled_flag)); |
| u(1, vseq_field(sample_adaptive_offset_enabled_flag)); |
| |
| u(1, vseq_field(pcm_enabled_flag)); |
| if (vseq->seq_fields.bits.pcm_enabled_flag) { |
| u(4, vseq_var(pcm_sample_bit_depth_luma_minus1)); |
| u(4, vseq_var(pcm_sample_bit_depth_chroma_minus1)); |
| ue(vseq_var(log2_min_pcm_luma_coding_block_size_minus3)); |
| ue(vseq->log2_max_pcm_luma_coding_block_size_minus3 - |
| vseq->log2_min_pcm_luma_coding_block_size_minus3, |
| log2_diff_max_min_pcm_luma_coding_block_size); |
| u(1, vseq_field(pcm_loop_filter_disabled_flag)); |
| } |
| |
| ue(mseq_var(num_short_term_ref_pic_sets)); |
| for (i = 0; i < mseq->num_short_term_ref_pic_sets; i++) |
| vaapi_encode_h265_write_st_ref_pic_set(pbc, i, |
| &mseq->st_ref_pic_set[i]); |
| |
| u(1, mseq_var(long_term_ref_pics_present_flag)); |
| if (mseq->long_term_ref_pics_present_flag) { |
| ue(0, num_long_term_ref_pics_sps); |
| } |
| |
| u(1, vseq_field(sps_temporal_mvp_enabled_flag)); |
| u(1, vseq_field(strong_intra_smoothing_enabled_flag)); |
| |
| u(1, mseq_var(vui_parameters_present_flag)); |
| if (mseq->vui_parameters_present_flag) { |
| vaapi_encode_h265_write_vui_parameters(pbc, ctx); |
| } |
| |
| u(1, 0, sps_extension_present_flag); |
| |
| vaapi_encode_h265_write_rbsp_trailing_bits(pbc); |
| } |
| |
| static void vaapi_encode_h265_write_pps(PutBitContext *pbc, |
| VAAPIEncodeContext *ctx) |
| { |
| VAEncPictureParameterBufferHEVC *vpic = ctx->codec_picture_params; |
| VAAPIEncodeH265Context *priv = ctx->priv_data; |
| VAAPIEncodeH265MiscSequenceParams *mseq = &priv->misc_sequence_params; |
| int i; |
| |
| vaapi_encode_h265_write_nal_unit_header(pbc, NAL_PPS); |
| |
| ue(vpic->slice_pic_parameter_set_id, pps_pic_parameter_set_id); |
| ue(mseq->seq_parameter_set_id, pps_seq_parameter_set_id); |
| |
| u(1, vpic_field(dependent_slice_segments_enabled_flag)); |
| u(1, mseq_var(output_flag_present_flag)); |
| u(3, mseq_var(num_extra_slice_header_bits)); |
| u(1, vpic_field(sign_data_hiding_enabled_flag)); |
| u(1, mseq_var(cabac_init_present_flag)); |
| |
| ue(vpic_var(num_ref_idx_l0_default_active_minus1)); |
| ue(vpic_var(num_ref_idx_l1_default_active_minus1)); |
| |
| se(vpic->pic_init_qp - 26, init_qp_minus26); |
| |
| u(1, vpic_field(constrained_intra_pred_flag)); |
| u(1, vpic_field(transform_skip_enabled_flag)); |
| |
| u(1, vpic_field(cu_qp_delta_enabled_flag)); |
| if (vpic->pic_fields.bits.cu_qp_delta_enabled_flag) |
| ue(vpic_var(diff_cu_qp_delta_depth)); |
| |
| se(vpic_var(pps_cb_qp_offset)); |
| se(vpic_var(pps_cr_qp_offset)); |
| |
| u(1, mseq_var(pps_slice_chroma_qp_offsets_present_flag)); |
| u(1, vpic_field(weighted_pred_flag)); |
| u(1, vpic_field(weighted_bipred_flag)); |
| u(1, vpic_field(transquant_bypass_enabled_flag)); |
| u(1, vpic_field(tiles_enabled_flag)); |
| u(1, vpic_field(entropy_coding_sync_enabled_flag)); |
| |
| if (vpic->pic_fields.bits.tiles_enabled_flag) { |
| ue(vpic_var(num_tile_columns_minus1)); |
| ue(vpic_var(num_tile_rows_minus1)); |
| u(1, mseq_var(uniform_spacing_flag)); |
| if (!mseq->uniform_spacing_flag) { |
| for (i = 0; i < vpic->num_tile_columns_minus1; i++) |
| ue(vpic_var(column_width_minus1[i])); |
| for (i = 0; i < vpic->num_tile_rows_minus1; i++) |
| ue(vpic_var(row_height_minus1[i])); |
| } |
| u(1, vpic_field(loop_filter_across_tiles_enabled_flag)); |
| } |
| |
| u(1, vpic_field(pps_loop_filter_across_slices_enabled_flag)); |
| u(1, mseq_var(deblocking_filter_control_present_flag)); |
| if (mseq->deblocking_filter_control_present_flag) { |
| u(1, mseq_var(deblocking_filter_override_enabled_flag)); |
| u(1, mseq_var(pps_deblocking_filter_disabled_flag)); |
| if (!mseq->pps_deblocking_filter_disabled_flag) { |
| se(mseq_var(pps_beta_offset_div2)); |
| se(mseq_var(pps_tc_offset_div2)); |
| } |
| } |
| |
| u(1, 0, pps_scaling_list_data_present_flag); |
| // No scaling list data. |
| |
| u(1, mseq_var(lists_modification_present_flag)); |
| ue(vpic_var(log2_parallel_merge_level_minus2)); |
| u(1, 0, slice_segment_header_extension_present_flag); |
| u(1, 0, pps_extension_present_flag); |
| |
| vaapi_encode_h265_write_rbsp_trailing_bits(pbc); |
| } |
| |
| static void vaapi_encode_h265_write_slice_header2(PutBitContext *pbc, |
| VAAPIEncodeContext *ctx, |
| VAAPIEncodePicture *pic, |
| VAAPIEncodeSlice *slice) |
| { |
| VAEncSequenceParameterBufferHEVC *vseq = ctx->codec_sequence_params; |
| VAEncPictureParameterBufferHEVC *vpic = pic->codec_picture_params; |
| VAEncSliceParameterBufferHEVC *vslice = slice->codec_slice_params; |
| VAAPIEncodeH265Context *priv = ctx->priv_data; |
| VAAPIEncodeH265MiscSequenceParams *mseq = &priv->misc_sequence_params; |
| VAAPIEncodeH265Slice *pslice = slice->priv_data; |
| VAAPIEncodeH265MiscSliceParams *mslice = &pslice->misc_slice_params; |
| int i; |
| |
| vaapi_encode_h265_write_nal_unit_header(pbc, vpic->nal_unit_type); |
| |
| u(1, mslice_var(first_slice_segment_in_pic_flag)); |
| if (vpic->nal_unit_type >= NAL_BLA_W_LP && |
| vpic->nal_unit_type <= 23) |
| u(1, mslice_var(no_output_of_prior_pics_flag)); |
| |
| ue(vslice_var(slice_pic_parameter_set_id)); |
| |
| if (!mslice->first_slice_segment_in_pic_flag) { |
| if (vpic->pic_fields.bits.dependent_slice_segments_enabled_flag) |
| u(1, vslice_field(dependent_slice_segment_flag)); |
| u(av_log2((priv->ctu_width * priv->ctu_height) - 1) + 1, |
| mslice_var(slice_segment_address)); |
| } |
| if (!vslice->slice_fields.bits.dependent_slice_segment_flag) { |
| for (i = 0; i < mseq->num_extra_slice_header_bits; i++) |
| u(1, mslice_var(slice_reserved_flag[i])); |
| |
| ue(vslice_var(slice_type)); |
| if (mseq->output_flag_present_flag) |
| u(1, 1, pic_output_flag); |
| if (vseq->seq_fields.bits.separate_colour_plane_flag) |
| u(2, vslice_field(colour_plane_id)); |
| if (vpic->nal_unit_type != NAL_IDR_W_RADL && |
| vpic->nal_unit_type != NAL_IDR_N_LP) { |
| u(4 + mseq->log2_max_pic_order_cnt_lsb_minus4, |
| (pslice->pic_order_cnt & |
| ((1 << (mseq->log2_max_pic_order_cnt_lsb_minus4 + 4)) - 1)), |
| slice_pic_order_cnt_lsb); |
| |
| u(1, mslice_var(short_term_ref_pic_set_sps_flag)); |
| if (!mslice->short_term_ref_pic_set_sps_flag) { |
| vaapi_encode_h265_write_st_ref_pic_set(pbc, mseq->num_short_term_ref_pic_sets, |
| &mslice->st_ref_pic_set); |
| } else if (mseq->num_short_term_ref_pic_sets > 1) { |
| u(av_log2(mseq->num_short_term_ref_pic_sets - 1) + 1, |
| mslice_var(short_term_ref_pic_idx)); |
| } |
| |
| if (mseq->long_term_ref_pics_present_flag) { |
| av_assert0(0); |
| } |
| } |
| |
| if (vseq->seq_fields.bits.sps_temporal_mvp_enabled_flag) { |
| u(1, vslice_field(slice_temporal_mvp_enabled_flag)); |
| } |
| |
| if (vseq->seq_fields.bits.sample_adaptive_offset_enabled_flag) { |
| u(1, vslice_field(slice_sao_luma_flag)); |
| if (!vseq->seq_fields.bits.separate_colour_plane_flag && |
| vseq->seq_fields.bits.chroma_format_idc != 0) { |
| u(1, vslice_field(slice_sao_chroma_flag)); |
| } |
| } |
| |
| if (vslice->slice_type == P_SLICE || vslice->slice_type == B_SLICE) { |
| u(1, vslice_field(num_ref_idx_active_override_flag)); |
| if (vslice->slice_fields.bits.num_ref_idx_active_override_flag) { |
| ue(vslice_var(num_ref_idx_l0_active_minus1)); |
| if (vslice->slice_type == B_SLICE) { |
| ue(vslice_var(num_ref_idx_l1_active_minus1)); |
| } |
| } |
| |
| if (mseq->lists_modification_present_flag) { |
| av_assert0(0); |
| // ref_pic_lists_modification() |
| } |
| if (vslice->slice_type == B_SLICE) { |
| u(1, vslice_field(mvd_l1_zero_flag)); |
| } |
| if (mseq->cabac_init_present_flag) { |
| u(1, vslice_field(cabac_init_flag)); |
| } |
| if (vslice->slice_fields.bits.slice_temporal_mvp_enabled_flag) { |
| if (vslice->slice_type == B_SLICE) |
| u(1, vslice_field(collocated_from_l0_flag)); |
| ue(vpic->collocated_ref_pic_index, collocated_ref_idx); |
| } |
| if ((vpic->pic_fields.bits.weighted_pred_flag && |
| vslice->slice_type == P_SLICE) || |
| (vpic->pic_fields.bits.weighted_bipred_flag && |
| vslice->slice_type == B_SLICE)) { |
| av_assert0(0); |
| // pred_weight_table() |
| } |
| ue(5 - vslice->max_num_merge_cand, five_minus_max_num_merge_cand); |
| } |
| |
| se(vslice_var(slice_qp_delta)); |
| if (mseq->pps_slice_chroma_qp_offsets_present_flag) { |
| se(vslice_var(slice_cb_qp_offset)); |
| se(vslice_var(slice_cr_qp_offset)); |
| } |
| if (mseq->pps_slice_chroma_offset_list_enabled_flag) { |
| u(1, 0, cu_chroma_qp_offset_enabled_flag); |
| } |
| if (mseq->deblocking_filter_override_enabled_flag) { |
| u(1, mslice_var(deblocking_filter_override_flag)); |
| } |
| if (mslice->deblocking_filter_override_flag) { |
| u(1, vslice_field(slice_deblocking_filter_disabled_flag)); |
| if (!vslice->slice_fields.bits.slice_deblocking_filter_disabled_flag) { |
| se(vslice_var(slice_beta_offset_div2)); |
| se(vslice_var(slice_tc_offset_div2)); |
| } |
| } |
| if (vpic->pic_fields.bits.pps_loop_filter_across_slices_enabled_flag && |
| (vslice->slice_fields.bits.slice_sao_luma_flag || |
| vslice->slice_fields.bits.slice_sao_chroma_flag || |
| vslice->slice_fields.bits.slice_deblocking_filter_disabled_flag)) { |
| u(1, vslice_field(slice_loop_filter_across_slices_enabled_flag)); |
| } |
| |
| if (vpic->pic_fields.bits.tiles_enabled_flag || |
| vpic->pic_fields.bits.entropy_coding_sync_enabled_flag) { |
| // num_entry_point_offsets |
| } |
| |
| if (0) { |
| // slice_segment_header_extension_length |
| } |
| } |
| |
| u(1, 1, alignment_bit_equal_to_one); |
| while (put_bits_count(pbc) & 7) |
| u(1, 0, alignment_bit_equal_to_zero); |
| } |
| |
| static int vaapi_encode_h265_write_sequence_header(AVCodecContext *avctx, |
| char *data, size_t *data_len) |
| { |
| VAAPIEncodeContext *ctx = avctx->priv_data; |
| PutBitContext pbc; |
| char tmp[256]; |
| int err; |
| size_t nal_len, bit_len, bit_pos, next_len; |
| |
| bit_len = *data_len; |
| bit_pos = 0; |
| |
| init_put_bits(&pbc, tmp, sizeof(tmp)); |
| vaapi_encode_h265_write_vps(&pbc, ctx); |
| nal_len = put_bits_count(&pbc); |
| flush_put_bits(&pbc); |
| |
| next_len = bit_len - bit_pos; |
| err = ff_vaapi_encode_h26x_nal_unit_to_byte_stream(data + bit_pos / 8, |
| &next_len, |
| tmp, nal_len); |
| if (err < 0) |
| return err; |
| bit_pos += next_len; |
| |
| init_put_bits(&pbc, tmp, sizeof(tmp)); |
| vaapi_encode_h265_write_sps(&pbc, ctx); |
| nal_len = put_bits_count(&pbc); |
| flush_put_bits(&pbc); |
| |
| next_len = bit_len - bit_pos; |
| err = ff_vaapi_encode_h26x_nal_unit_to_byte_stream(data + bit_pos / 8, |
| &next_len, |
| tmp, nal_len); |
| if (err < 0) |
| return err; |
| bit_pos += next_len; |
| |
| init_put_bits(&pbc, tmp, sizeof(tmp)); |
| vaapi_encode_h265_write_pps(&pbc, ctx); |
| nal_len = put_bits_count(&pbc); |
| flush_put_bits(&pbc); |
| |
| next_len = bit_len - bit_pos; |
| err = ff_vaapi_encode_h26x_nal_unit_to_byte_stream(data + bit_pos / 8, |
| &next_len, |
| tmp, nal_len); |
| if (err < 0) |
| return err; |
| bit_pos += next_len; |
| |
| *data_len = bit_pos; |
| return 0; |
| } |
| |
| static int vaapi_encode_h265_write_slice_header(AVCodecContext *avctx, |
| VAAPIEncodePicture *pic, |
| VAAPIEncodeSlice *slice, |
| char *data, size_t *data_len) |
| { |
| VAAPIEncodeContext *ctx = avctx->priv_data; |
| PutBitContext pbc; |
| char tmp[256]; |
| size_t header_len; |
| |
| init_put_bits(&pbc, tmp, sizeof(tmp)); |
| vaapi_encode_h265_write_slice_header2(&pbc, ctx, pic, slice); |
| header_len = put_bits_count(&pbc); |
| flush_put_bits(&pbc); |
| |
| return ff_vaapi_encode_h26x_nal_unit_to_byte_stream(data, data_len, |
| tmp, header_len); |
| } |
| |
| static int vaapi_encode_h265_init_sequence_params(AVCodecContext *avctx) |
| { |
| VAAPIEncodeContext *ctx = avctx->priv_data; |
| VAEncSequenceParameterBufferHEVC *vseq = ctx->codec_sequence_params; |
| VAEncPictureParameterBufferHEVC *vpic = ctx->codec_picture_params; |
| VAAPIEncodeH265Context *priv = ctx->priv_data; |
| VAAPIEncodeH265MiscSequenceParams *mseq = &priv->misc_sequence_params; |
| int i; |
| |
| { |
| // general_profile_space == 0. |
| vseq->general_profile_idc = 1; // Main profile (ctx->codec_profile?) |
| vseq->general_tier_flag = 0; |
| |
| vseq->general_level_idc = avctx->level * 3; |
| |
| vseq->intra_period = 0; |
| vseq->intra_idr_period = 0; |
| vseq->ip_period = 0; |
| |
| vseq->pic_width_in_luma_samples = ctx->surface_width; |
| vseq->pic_height_in_luma_samples = ctx->surface_height; |
| |
| vseq->seq_fields.bits.chroma_format_idc = 1; // 4:2:0. |
| vseq->seq_fields.bits.separate_colour_plane_flag = 0; |
| vseq->seq_fields.bits.bit_depth_luma_minus8 = |
| avctx->profile == FF_PROFILE_HEVC_MAIN_10 ? 2 : 0; |
| vseq->seq_fields.bits.bit_depth_chroma_minus8 = |
| avctx->profile == FF_PROFILE_HEVC_MAIN_10 ? 2 : 0; |
| // Other misc flags all zero. |
| |
| // These have to come from the capabilities of the encoder. We have |
| // no way to query it, so just hardcode ones which worked for me... |
| // CTB size from 8x8 to 32x32. |
| vseq->log2_min_luma_coding_block_size_minus3 = 0; |
| vseq->log2_diff_max_min_luma_coding_block_size = 2; |
| // Transform size from 4x4 to 32x32. |
| vseq->log2_min_transform_block_size_minus2 = 0; |
| vseq->log2_diff_max_min_transform_block_size = 3; |
| // Full transform hierarchy allowed (2-5). |
| vseq->max_transform_hierarchy_depth_inter = 3; |
| vseq->max_transform_hierarchy_depth_intra = 3; |
| |
| vseq->vui_parameters_present_flag = 0; |
| |
| vseq->bits_per_second = avctx->bit_rate; |
| if (avctx->framerate.num > 0 && avctx->framerate.den > 0) { |
| vseq->vui_num_units_in_tick = avctx->framerate.den; |
| vseq->vui_time_scale = avctx->framerate.num; |
| } else { |
| vseq->vui_num_units_in_tick = avctx->time_base.num; |
| vseq->vui_time_scale = avctx->time_base.den; |
| } |
| |
| vseq->intra_period = ctx->p_per_i * (ctx->b_per_p + 1); |
| vseq->intra_idr_period = vseq->intra_period; |
| vseq->ip_period = ctx->b_per_p + 1; |
| } |
| |
| { |
| vpic->decoded_curr_pic.picture_id = VA_INVALID_ID; |
| vpic->decoded_curr_pic.flags = VA_PICTURE_HEVC_INVALID; |
| |
| for (i = 0; i < FF_ARRAY_ELEMS(vpic->reference_frames); i++) { |
| vpic->reference_frames[i].picture_id = VA_INVALID_ID; |
| vpic->reference_frames[i].flags = VA_PICTURE_HEVC_INVALID; |
| } |
| |
| vpic->collocated_ref_pic_index = 0xff; |
| |
| vpic->last_picture = 0; |
| |
| vpic->pic_init_qp = priv->fixed_qp_idr; |
| |
| vpic->diff_cu_qp_delta_depth = 0; |
| vpic->pps_cb_qp_offset = 0; |
| vpic->pps_cr_qp_offset = 0; |
| |
| // tiles_enabled_flag == 0, so ignore num_tile_(rows|columns)_minus1. |
| |
| vpic->log2_parallel_merge_level_minus2 = 0; |
| |
| // No limit on size. |
| vpic->ctu_max_bitsize_allowed = 0; |
| |
| vpic->num_ref_idx_l0_default_active_minus1 = 0; |
| vpic->num_ref_idx_l1_default_active_minus1 = 0; |
| |
| vpic->slice_pic_parameter_set_id = 0; |
| |
| vpic->pic_fields.bits.screen_content_flag = 0; |
| vpic->pic_fields.bits.enable_gpu_weighted_prediction = 0; |
| |
| // Per-CU QP changes are required for non-constant-QP modes. |
| vpic->pic_fields.bits.cu_qp_delta_enabled_flag = |
| ctx->va_rc_mode != VA_RC_CQP; |
| } |
| |
| { |
| mseq->video_parameter_set_id = 5; |
| mseq->seq_parameter_set_id = 5; |
| |
| mseq->vps_max_layers_minus1 = 0; |
| mseq->vps_max_sub_layers_minus1 = 0; |
| mseq->vps_temporal_id_nesting_flag = 1; |
| mseq->sps_max_sub_layers_minus1 = 0; |
| mseq->sps_temporal_id_nesting_flag = 1; |
| |
| for (i = 0; i < 32; i++) { |
| mseq->general_profile_compatibility_flag[i] = |
| (i == vseq->general_profile_idc); |
| } |
| |
| mseq->general_progressive_source_flag = 1; |
| mseq->general_interlaced_source_flag = 0; |
| mseq->general_non_packed_constraint_flag = 0; |
| mseq->general_frame_only_constraint_flag = 1; |
| mseq->general_inbld_flag = 0; |
| |
| mseq->log2_max_pic_order_cnt_lsb_minus4 = 8; |
| mseq->vps_sub_layer_ordering_info_present_flag = 0; |
| mseq->vps_max_dec_pic_buffering_minus1[0] = (avctx->max_b_frames > 0) + 1; |
| mseq->vps_max_num_reorder_pics[0] = (avctx->max_b_frames > 0); |
| mseq->vps_max_latency_increase_plus1[0] = 0; |
| mseq->sps_sub_layer_ordering_info_present_flag = 0; |
| mseq->sps_max_dec_pic_buffering_minus1[0] = (avctx->max_b_frames > 0) + 1; |
| mseq->sps_max_num_reorder_pics[0] = (avctx->max_b_frames > 0); |
| mseq->sps_max_latency_increase_plus1[0] = 0; |
| |
| mseq->vps_timing_info_present_flag = 1; |
| mseq->vps_num_units_in_tick = avctx->time_base.num; |
| mseq->vps_time_scale = avctx->time_base.den; |
| mseq->vps_poc_proportional_to_timing_flag = 1; |
| mseq->vps_num_ticks_poc_diff_minus1 = 0; |
| |
| if (avctx->width != ctx->surface_width || |
| avctx->height != ctx->surface_height) { |
| mseq->conformance_window_flag = 1; |
| mseq->conf_win_left_offset = 0; |
| mseq->conf_win_right_offset = |
| (ctx->surface_width - avctx->width) / 2; |
| mseq->conf_win_top_offset = 0; |
| mseq->conf_win_bottom_offset = |
| (ctx->surface_height - avctx->height) / 2; |
| } else { |
| mseq->conformance_window_flag = 0; |
| } |
| |
| mseq->num_short_term_ref_pic_sets = 0; |
| // STRPSs should ideally be here rather than repeated in each slice. |
| |
| mseq->vui_parameters_present_flag = 1; |
| if (avctx->sample_aspect_ratio.num != 0) { |
| mseq->aspect_ratio_info_present_flag = 1; |
| if (avctx->sample_aspect_ratio.num == |
| avctx->sample_aspect_ratio.den) { |
| mseq->aspect_ratio_idc = 1; |
| } else { |
| mseq->aspect_ratio_idc = 255; // Extended SAR. |
| mseq->sar_width = avctx->sample_aspect_ratio.num; |
| mseq->sar_height = avctx->sample_aspect_ratio.den; |
| } |
| } |
| if (1) { |
| // Should this be conditional on some of these being set? |
| mseq->video_signal_type_present_flag = 1; |
| mseq->video_format = 5; // Unspecified. |
| mseq->video_full_range_flag = 0; |
| mseq->colour_description_present_flag = 1; |
| mseq->colour_primaries = avctx->color_primaries; |
| mseq->transfer_characteristics = avctx->color_trc; |
| mseq->matrix_coeffs = avctx->colorspace; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int vaapi_encode_h265_init_picture_params(AVCodecContext *avctx, |
| VAAPIEncodePicture *pic) |
| { |
| VAAPIEncodeContext *ctx = avctx->priv_data; |
| VAEncPictureParameterBufferHEVC *vpic = pic->codec_picture_params; |
| VAAPIEncodeH265Context *priv = ctx->priv_data; |
| int i; |
| |
| if (pic->type == PICTURE_TYPE_IDR) { |
| av_assert0(pic->display_order == pic->encode_order); |
| priv->last_idr_frame = pic->display_order; |
| } else { |
| av_assert0(pic->encode_order > priv->last_idr_frame); |
| // Display order need not be if we have RA[SD]L pictures, though. |
| } |
| |
| vpic->decoded_curr_pic.picture_id = pic->recon_surface; |
| vpic->decoded_curr_pic.pic_order_cnt = |
| pic->display_order - priv->last_idr_frame; |
| vpic->decoded_curr_pic.flags = 0; |
| |
| for (i = 0; i < pic->nb_refs; i++) { |
| VAAPIEncodePicture *ref = pic->refs[i]; |
| av_assert0(ref); |
| vpic->reference_frames[i].picture_id = ref->recon_surface; |
| vpic->reference_frames[i].pic_order_cnt = |
| ref->display_order - priv->last_idr_frame; |
| vpic->reference_frames[i].flags = |
| (ref->display_order < pic->display_order ? |
| VA_PICTURE_HEVC_RPS_ST_CURR_BEFORE : 0) | |
| (ref->display_order > pic->display_order ? |
| VA_PICTURE_HEVC_RPS_ST_CURR_AFTER : 0); |
| } |
| for (; i < FF_ARRAY_ELEMS(vpic->reference_frames); i++) { |
| vpic->reference_frames[i].picture_id = VA_INVALID_ID; |
| vpic->reference_frames[i].flags = VA_PICTURE_HEVC_INVALID; |
| } |
| |
| vpic->coded_buf = pic->output_buffer; |
| |
| switch (pic->type) { |
| case PICTURE_TYPE_IDR: |
| vpic->nal_unit_type = NAL_IDR_W_RADL; |
| vpic->pic_fields.bits.idr_pic_flag = 1; |
| vpic->pic_fields.bits.coding_type = 1; |
| vpic->pic_fields.bits.reference_pic_flag = 1; |
| break; |
| case PICTURE_TYPE_I: |
| vpic->nal_unit_type = NAL_TRAIL_R; |
| vpic->pic_fields.bits.idr_pic_flag = 0; |
| vpic->pic_fields.bits.coding_type = 1; |
| vpic->pic_fields.bits.reference_pic_flag = 1; |
| break; |
| case PICTURE_TYPE_P: |
| vpic->nal_unit_type = NAL_TRAIL_R; |
| vpic->pic_fields.bits.idr_pic_flag = 0; |
| vpic->pic_fields.bits.coding_type = 2; |
| vpic->pic_fields.bits.reference_pic_flag = 1; |
| break; |
| case PICTURE_TYPE_B: |
| vpic->nal_unit_type = NAL_TRAIL_R; |
| vpic->pic_fields.bits.idr_pic_flag = 0; |
| vpic->pic_fields.bits.coding_type = 3; |
| vpic->pic_fields.bits.reference_pic_flag = 0; |
| break; |
| default: |
| av_assert0(0 && "invalid picture type"); |
| } |
| |
| pic->nb_slices = 1; |
| |
| return 0; |
| } |
| |
| static int vaapi_encode_h265_init_slice_params(AVCodecContext *avctx, |
| VAAPIEncodePicture *pic, |
| VAAPIEncodeSlice *slice) |
| { |
| VAAPIEncodeContext *ctx = avctx->priv_data; |
| VAEncPictureParameterBufferHEVC *vpic = pic->codec_picture_params; |
| VAEncSliceParameterBufferHEVC *vslice = slice->codec_slice_params; |
| VAAPIEncodeH265Context *priv = ctx->priv_data; |
| VAAPIEncodeH265Slice *pslice; |
| VAAPIEncodeH265MiscSliceParams *mslice; |
| int i; |
| |
| slice->priv_data = av_mallocz(sizeof(*pslice)); |
| if (!slice->priv_data) |
| return AVERROR(ENOMEM); |
| pslice = slice->priv_data; |
| mslice = &pslice->misc_slice_params; |
| |
| // Currently we only support one slice per frame. |
| vslice->slice_segment_address = 0; |
| vslice->num_ctu_in_slice = priv->ctu_width * priv->ctu_height; |
| |
| switch (pic->type) { |
| case PICTURE_TYPE_IDR: |
| case PICTURE_TYPE_I: |
| vslice->slice_type = I_SLICE; |
| break; |
| case PICTURE_TYPE_P: |
| vslice->slice_type = P_SLICE; |
| break; |
| case PICTURE_TYPE_B: |
| vslice->slice_type = B_SLICE; |
| break; |
| default: |
| av_assert0(0 && "invalid picture type"); |
| } |
| |
| vslice->slice_pic_parameter_set_id = vpic->slice_pic_parameter_set_id; |
| |
| pslice->pic_order_cnt = pic->display_order - priv->last_idr_frame; |
| |
| for (i = 0; i < FF_ARRAY_ELEMS(vslice->ref_pic_list0); i++) { |
| vslice->ref_pic_list0[i].picture_id = VA_INVALID_ID; |
| vslice->ref_pic_list0[i].flags = VA_PICTURE_HEVC_INVALID; |
| vslice->ref_pic_list1[i].picture_id = VA_INVALID_ID; |
| vslice->ref_pic_list1[i].flags = VA_PICTURE_HEVC_INVALID; |
| } |
| |
| av_assert0(pic->nb_refs <= 2); |
| if (pic->nb_refs >= 1) { |
| // Backward reference for P- or B-frame. |
| av_assert0(pic->type == PICTURE_TYPE_P || |
| pic->type == PICTURE_TYPE_B); |
| |
| vslice->num_ref_idx_l0_active_minus1 = 0; |
| vslice->ref_pic_list0[0] = vpic->reference_frames[0]; |
| } |
| if (pic->nb_refs >= 2) { |
| // Forward reference for B-frame. |
| av_assert0(pic->type == PICTURE_TYPE_B); |
| |
| vslice->num_ref_idx_l1_active_minus1 = 0; |
| vslice->ref_pic_list1[0] = vpic->reference_frames[1]; |
| } |
| |
| vslice->max_num_merge_cand = 5; |
| |
| if (pic->type == PICTURE_TYPE_B) |
| vslice->slice_qp_delta = priv->fixed_qp_b - vpic->pic_init_qp; |
| else if (pic->type == PICTURE_TYPE_P) |
| vslice->slice_qp_delta = priv->fixed_qp_p - vpic->pic_init_qp; |
| else |
| vslice->slice_qp_delta = priv->fixed_qp_idr - vpic->pic_init_qp; |
| |
| vslice->slice_fields.bits.last_slice_of_pic_flag = 1; |
| |
| mslice->first_slice_segment_in_pic_flag = 1; |
| |
| if (pic->type == PICTURE_TYPE_IDR) { |
| // No reference pictures. |
| } else if (0) { |
| mslice->short_term_ref_pic_set_sps_flag = 1; |
| mslice->short_term_ref_pic_idx = 0; |
| } else { |
| VAAPIEncodePicture *st; |
| int used; |
| |
| mslice->short_term_ref_pic_set_sps_flag = 0; |
| mslice->st_ref_pic_set.inter_ref_pic_set_prediction_flag = 0; |
| |
| for (st = ctx->pic_start; st; st = st->next) { |
| if (st->encode_order >= pic->encode_order) { |
| // Not yet in DPB. |
| continue; |
| } |
| used = 0; |
| for (i = 0; i < pic->nb_refs; i++) { |
| if (pic->refs[i] == st) |
| used = 1; |
| } |
| if (!used) { |
| // Currently true, but need not be. |
| continue; |
| } |
| // This only works for one instance of each (delta_poc_sN_minus1 |
| // is relative to the previous frame in the list, not relative to |
| // the current frame directly). |
| if (st->display_order < pic->display_order) { |
| i = mslice->st_ref_pic_set.num_negative_pics; |
| mslice->st_ref_pic_set.delta_poc_s0_minus1[i] = |
| pic->display_order - st->display_order - 1; |
| mslice->st_ref_pic_set.used_by_curr_pic_s0_flag[i] = used; |
| ++mslice->st_ref_pic_set.num_negative_pics; |
| } else { |
| i = mslice->st_ref_pic_set.num_positive_pics; |
| mslice->st_ref_pic_set.delta_poc_s1_minus1[i] = |
| st->display_order - pic->display_order - 1; |
| mslice->st_ref_pic_set.used_by_curr_pic_s1_flag[i] = used; |
| ++mslice->st_ref_pic_set.num_positive_pics; |
| } |
| } |
| } |
| |
| return 0; |
| } |
| |
| static av_cold int vaapi_encode_h265_configure(AVCodecContext *avctx) |
| { |
| VAAPIEncodeContext *ctx = avctx->priv_data; |
| VAAPIEncodeH265Context *priv = ctx->priv_data; |
| VAAPIEncodeH265Options *opt = ctx->codec_options; |
| |
| priv->ctu_width = FFALIGN(ctx->surface_width, 32) / 32; |
| priv->ctu_height = FFALIGN(ctx->surface_height, 32) / 32; |
| |
| av_log(avctx, AV_LOG_VERBOSE, "Input %ux%u -> Surface %ux%u -> CTU %ux%u.\n", |
| avctx->width, avctx->height, ctx->surface_width, |
| ctx->surface_height, priv->ctu_width, priv->ctu_height); |
| |
| if (ctx->va_rc_mode == VA_RC_CQP) { |
| priv->fixed_qp_p = opt->qp; |
| if (avctx->i_quant_factor > 0.0) |
| priv->fixed_qp_idr = (int)((priv->fixed_qp_p * avctx->i_quant_factor + |
| avctx->i_quant_offset) + 0.5); |
| else |
| priv->fixed_qp_idr = priv->fixed_qp_p; |
| if (avctx->b_quant_factor > 0.0) |
| priv->fixed_qp_b = (int)((priv->fixed_qp_p * avctx->b_quant_factor + |
| avctx->b_quant_offset) + 0.5); |
| else |
| priv->fixed_qp_b = priv->fixed_qp_p; |
| |
| av_log(avctx, AV_LOG_DEBUG, "Using fixed QP = " |
| "%d / %d / %d for IDR- / P- / B-frames.\n", |
| priv->fixed_qp_idr, priv->fixed_qp_p, priv->fixed_qp_b); |
| |
| } else if (ctx->va_rc_mode == VA_RC_CBR) { |
| // These still need to be set for pic_init_qp/slice_qp_delta. |
| priv->fixed_qp_idr = 30; |
| priv->fixed_qp_p = 30; |
| priv->fixed_qp_b = 30; |
| |
| av_log(avctx, AV_LOG_DEBUG, "Using constant-bitrate = %"PRId64" bps.\n", |
| avctx->bit_rate); |
| |
| } else { |
| av_assert0(0 && "Invalid RC mode."); |
| } |
| |
| return 0; |
| } |
| |
| static const VAAPIEncodeType vaapi_encode_type_h265 = { |
| .priv_data_size = sizeof(VAAPIEncodeH265Context), |
| |
| .configure = &vaapi_encode_h265_configure, |
| |
| .sequence_params_size = sizeof(VAEncSequenceParameterBufferHEVC), |
| .init_sequence_params = &vaapi_encode_h265_init_sequence_params, |
| |
| .picture_params_size = sizeof(VAEncPictureParameterBufferHEVC), |
| .init_picture_params = &vaapi_encode_h265_init_picture_params, |
| |
| .slice_params_size = sizeof(VAEncSliceParameterBufferHEVC), |
| .init_slice_params = &vaapi_encode_h265_init_slice_params, |
| |
| .sequence_header_type = VAEncPackedHeaderSequence, |
| .write_sequence_header = &vaapi_encode_h265_write_sequence_header, |
| |
| .slice_header_type = VAEncPackedHeaderHEVC_Slice, |
| .write_slice_header = &vaapi_encode_h265_write_slice_header, |
| }; |
| |
| static av_cold int vaapi_encode_h265_init(AVCodecContext *avctx) |
| { |
| VAAPIEncodeContext *ctx = avctx->priv_data; |
| |
| ctx->codec = &vaapi_encode_type_h265; |
| |
| switch (avctx->profile) { |
| case FF_PROFILE_HEVC_MAIN: |
| case FF_PROFILE_UNKNOWN: |
| ctx->va_profile = VAProfileHEVCMain; |
| ctx->va_rt_format = VA_RT_FORMAT_YUV420; |
| break; |
| case FF_PROFILE_HEVC_MAIN_10: |
| #ifdef VA_RT_FORMAT_YUV420_10BPP |
| ctx->va_profile = VAProfileHEVCMain10; |
| ctx->va_rt_format = VA_RT_FORMAT_YUV420_10BPP; |
| break; |
| #else |
| av_log(avctx, AV_LOG_ERROR, "10-bit encoding is not " |
| "supported with this VAAPI version.\n"); |
| return AVERROR(ENOSYS); |
| #endif |
| default: |
| av_log(avctx, AV_LOG_ERROR, "Unknown H.265 profile %d.\n", |
| avctx->profile); |
| return AVERROR(EINVAL); |
| } |
| ctx->va_entrypoint = VAEntrypointEncSlice; |
| |
| if (avctx->bit_rate > 0) |
| ctx->va_rc_mode = VA_RC_CBR; |
| else |
| ctx->va_rc_mode = VA_RC_CQP; |
| |
| ctx->va_packed_headers = |
| VA_ENC_PACKED_HEADER_SEQUENCE | // VPS, SPS and PPS. |
| VA_ENC_PACKED_HEADER_SLICE; // Slice headers. |
| |
| ctx->surface_width = FFALIGN(avctx->width, 16); |
| ctx->surface_height = FFALIGN(avctx->height, 16); |
| |
| return ff_vaapi_encode_init(avctx); |
| } |
| |
| #define OFFSET(x) (offsetof(VAAPIEncodeContext, codec_options_data) + \ |
| offsetof(VAAPIEncodeH265Options, x)) |
| #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM) |
| static const AVOption vaapi_encode_h265_options[] = { |
| { "qp", "Constant QP (for P-frames; scaled by qfactor/qoffset for I/B)", |
| OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 25 }, 0, 52, FLAGS }, |
| { NULL }, |
| }; |
| |
| static const AVCodecDefault vaapi_encode_h265_defaults[] = { |
| { "profile", "1" }, |
| { "level", "51" }, |
| { "b", "0" }, |
| { "bf", "2" }, |
| { "g", "120" }, |
| { "i_qfactor", "1" }, |
| { "i_qoffset", "0" }, |
| { "b_qfactor", "6/5" }, |
| { "b_qoffset", "0" }, |
| { NULL }, |
| }; |
| |
| static const AVClass vaapi_encode_h265_class = { |
| .class_name = "h265_vaapi", |
| .item_name = av_default_item_name, |
| .option = vaapi_encode_h265_options, |
| .version = LIBAVUTIL_VERSION_INT, |
| }; |
| |
| AVCodec ff_hevc_vaapi_encoder = { |
| .name = "hevc_vaapi", |
| .long_name = NULL_IF_CONFIG_SMALL("H.265/HEVC (VAAPI)"), |
| .type = AVMEDIA_TYPE_VIDEO, |
| .id = AV_CODEC_ID_HEVC, |
| .priv_data_size = (sizeof(VAAPIEncodeContext) + |
| sizeof(VAAPIEncodeH265Options)), |
| .init = &vaapi_encode_h265_init, |
| .encode2 = &ff_vaapi_encode2, |
| .close = &ff_vaapi_encode_close, |
| .priv_class = &vaapi_encode_h265_class, |
| .capabilities = AV_CODEC_CAP_DELAY, |
| .defaults = vaapi_encode_h265_defaults, |
| .pix_fmts = (const enum AVPixelFormat[]) { |
| AV_PIX_FMT_VAAPI, |
| AV_PIX_FMT_NONE, |
| }, |
| }; |