/* * 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 "libavutil/mem.h" #include "hevc/hevcdec.h" #include "hevc/data.h" #include "hevc/ps.h" #include "vulkan_decode.h" const FFVulkanDecodeDescriptor ff_vk_dec_hevc_desc = { .codec_id = AV_CODEC_ID_HEVC, .decode_extension = FF_VK_EXT_VIDEO_DECODE_H265, .decode_op = VK_VIDEO_CODEC_OPERATION_DECODE_H265_BIT_KHR, .ext_props = { .extensionName = VK_STD_VULKAN_VIDEO_CODEC_H265_DECODE_EXTENSION_NAME, .specVersion = VK_STD_VULKAN_VIDEO_CODEC_H265_DECODE_SPEC_VERSION, }, }; typedef struct HEVCHeaderSPS { StdVideoH265ScalingLists scaling; StdVideoH265HrdParameters vui_header; StdVideoH265SequenceParameterSetVui vui; StdVideoH265ProfileTierLevel ptl; StdVideoH265DecPicBufMgr dpbm; StdVideoH265PredictorPaletteEntries pal; StdVideoH265SubLayerHrdParameters nal_hdr[HEVC_MAX_SUB_LAYERS]; StdVideoH265SubLayerHrdParameters vcl_hdr[HEVC_MAX_SUB_LAYERS]; StdVideoH265ShortTermRefPicSet str[HEVC_MAX_SHORT_TERM_REF_PIC_SETS]; StdVideoH265LongTermRefPicsSps ltr; } HEVCHeaderSPS; typedef struct HEVCHeaderPPS { StdVideoH265ScalingLists scaling; StdVideoH265PredictorPaletteEntries pal; } HEVCHeaderPPS; typedef struct HEVCHeaderVPSSet { StdVideoH265SubLayerHrdParameters nal_hdr[HEVC_MAX_SUB_LAYERS]; StdVideoH265SubLayerHrdParameters vcl_hdr[HEVC_MAX_SUB_LAYERS]; } HEVCHeaderVPSSet; typedef struct HEVCHeaderVPS { StdVideoH265ProfileTierLevel ptl; StdVideoH265DecPicBufMgr dpbm; StdVideoH265HrdParameters hdr[HEVC_MAX_LAYER_SETS]; HEVCHeaderVPSSet *sls; } HEVCHeaderVPS; typedef struct HEVCHeaderSet { StdVideoH265SequenceParameterSet sps[HEVC_MAX_SPS_COUNT]; HEVCHeaderSPS hsps[HEVC_MAX_SPS_COUNT]; StdVideoH265PictureParameterSet pps[HEVC_MAX_PPS_COUNT]; HEVCHeaderPPS hpps[HEVC_MAX_PPS_COUNT]; StdVideoH265VideoParameterSet vps[HEVC_MAX_PPS_COUNT]; HEVCHeaderVPS *hvps; } HEVCHeaderSet; static int alloc_hevc_header_structs(FFVulkanDecodeContext *s, int nb_vps, const int vps_list_idx[HEVC_MAX_VPS_COUNT], const HEVCVPS * const vps_list[HEVC_MAX_VPS_COUNT]) { uint8_t *data_ptr; HEVCHeaderSet *hdr; size_t buf_size = sizeof(HEVCHeaderSet) + nb_vps*sizeof(HEVCHeaderVPS); for (int i = 0; i < nb_vps; i++) { const HEVCVPS *vps = vps_list[vps_list_idx[i]]; buf_size += sizeof(HEVCHeaderVPSSet)*vps->vps_num_hrd_parameters; } if (buf_size > s->hevc_headers_size) { av_freep(&s->hevc_headers); s->hevc_headers_size = 0; s->hevc_headers = av_mallocz(buf_size); if (!s->hevc_headers) return AVERROR(ENOMEM); s->hevc_headers_size = buf_size; } /* Setup struct pointers */ hdr = s->hevc_headers; data_ptr = (uint8_t *)hdr; hdr->hvps = (HEVCHeaderVPS *)(data_ptr + sizeof(HEVCHeaderSet)); data_ptr += sizeof(HEVCHeaderSet) + nb_vps*sizeof(HEVCHeaderVPS); for (int i = 0; i < nb_vps; i++) { const HEVCVPS *vps = vps_list[vps_list_idx[i]]; hdr->hvps[i].sls = (HEVCHeaderVPSSet *)data_ptr; data_ptr += sizeof(HEVCHeaderVPSSet)*vps->vps_num_hrd_parameters; } return 0; } typedef struct HEVCVulkanDecodePicture { FFVulkanDecodePicture vp; /* Current picture */ StdVideoDecodeH265ReferenceInfo h265_ref; VkVideoDecodeH265DpbSlotInfoKHR vkh265_ref; /* Picture refs */ HEVCFrame *ref_src [HEVC_MAX_REFS]; StdVideoDecodeH265ReferenceInfo h265_refs [HEVC_MAX_REFS]; VkVideoDecodeH265DpbSlotInfoKHR vkh265_refs[HEVC_MAX_REFS]; /* Current picture (contd.) */ StdVideoDecodeH265PictureInfo h265pic; VkVideoDecodeH265PictureInfoKHR h265_pic_info; } HEVCVulkanDecodePicture; static int vk_hevc_fill_pict(AVCodecContext *avctx, HEVCFrame **ref_src, VkVideoReferenceSlotInfoKHR *ref_slot, /* Main structure */ VkVideoPictureResourceInfoKHR *ref, /* Goes in ^ */ VkVideoDecodeH265DpbSlotInfoKHR *vkh265_ref, /* Goes in ^ */ StdVideoDecodeH265ReferenceInfo *h265_ref, /* Goes in ^ */ HEVCFrame *pic, int is_current, int pic_id) { FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data; FFVulkanDecodeShared *ctx = dec->shared_ctx; HEVCVulkanDecodePicture *hp = pic->hwaccel_picture_private; FFVulkanDecodePicture *vkpic = &hp->vp; int err = ff_vk_decode_prepare_frame(dec, pic->f, vkpic, is_current, dec->dedicated_dpb); if (err < 0) return err; *h265_ref = (StdVideoDecodeH265ReferenceInfo) { .flags = (StdVideoDecodeH265ReferenceInfoFlags) { .used_for_long_term_reference = pic->flags & HEVC_FRAME_FLAG_LONG_REF, .unused_for_reference = 0, }, .PicOrderCntVal = pic->poc, }; *vkh265_ref = (VkVideoDecodeH265DpbSlotInfoKHR) { .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_H265_DPB_SLOT_INFO_KHR, .pStdReferenceInfo = h265_ref, }; *ref = (VkVideoPictureResourceInfoKHR) { .sType = VK_STRUCTURE_TYPE_VIDEO_PICTURE_RESOURCE_INFO_KHR, .codedOffset = (VkOffset2D){ 0, 0 }, .codedExtent = (VkExtent2D){ pic->f->width, pic->f->height }, .baseArrayLayer = ctx->common.layered_dpb ? pic_id : 0, .imageViewBinding = vkpic->img_view_ref, }; *ref_slot = (VkVideoReferenceSlotInfoKHR) { .sType = VK_STRUCTURE_TYPE_VIDEO_REFERENCE_SLOT_INFO_KHR, .pNext = vkh265_ref, .slotIndex = pic_id, .pPictureResource = ref, }; if (ref_src) *ref_src = pic; return 0; } static StdVideoH265LevelIdc convert_to_vk_level_idc(int level_idc) { switch (level_idc) { case 10: return STD_VIDEO_H265_LEVEL_IDC_1_0; case 20: return STD_VIDEO_H265_LEVEL_IDC_2_0; case 21: return STD_VIDEO_H265_LEVEL_IDC_2_1; case 30: return STD_VIDEO_H265_LEVEL_IDC_3_0; case 31: return STD_VIDEO_H265_LEVEL_IDC_3_1; case 40: return STD_VIDEO_H265_LEVEL_IDC_4_0; case 41: return STD_VIDEO_H265_LEVEL_IDC_4_1; case 50: return STD_VIDEO_H265_LEVEL_IDC_5_0; case 51: return STD_VIDEO_H265_LEVEL_IDC_5_1; case 60: return STD_VIDEO_H265_LEVEL_IDC_6_0; case 61: return STD_VIDEO_H265_LEVEL_IDC_6_1; default: case 62: return STD_VIDEO_H265_LEVEL_IDC_6_2; } } static void copy_scaling_list(const ScalingList *sl, StdVideoH265ScalingLists *vksl) { for (int i = 0; i < STD_VIDEO_H265_SCALING_LIST_4X4_NUM_LISTS; i++) { for (int j = 0; j < STD_VIDEO_H265_SCALING_LIST_4X4_NUM_ELEMENTS; j++) { uint8_t pos = 4 * ff_hevc_diag_scan4x4_y[j] + ff_hevc_diag_scan4x4_x[j]; vksl->ScalingList4x4[i][j] = sl->sl[0][i][pos]; } } for (int i = 0; i < STD_VIDEO_H265_SCALING_LIST_8X8_NUM_LISTS; i++) { for (int j = 0; j < STD_VIDEO_H265_SCALING_LIST_8X8_NUM_ELEMENTS; j++) { uint8_t pos = 8 * ff_hevc_diag_scan8x8_y[j] + ff_hevc_diag_scan8x8_x[j]; vksl->ScalingList8x8[i][j] = sl->sl[1][i][pos]; } } for (int i = 0; i < STD_VIDEO_H265_SCALING_LIST_16X16_NUM_LISTS; i++) { for (int j = 0; j < STD_VIDEO_H265_SCALING_LIST_16X16_NUM_ELEMENTS; j++) { uint8_t pos = 8 * ff_hevc_diag_scan8x8_y[j] + ff_hevc_diag_scan8x8_x[j]; vksl->ScalingList16x16[i][j] = sl->sl[2][i][pos]; } } for (int i = 0; i < STD_VIDEO_H265_SCALING_LIST_32X32_NUM_LISTS; i++) { for (int j = 0; j < STD_VIDEO_H265_SCALING_LIST_32X32_NUM_ELEMENTS; j++) { uint8_t pos = 8 * ff_hevc_diag_scan8x8_y[j] + ff_hevc_diag_scan8x8_x[j]; vksl->ScalingList32x32[i][j] = sl->sl[3][i * 3][pos]; } } memcpy(vksl->ScalingListDCCoef16x16, sl->sl_dc[0], STD_VIDEO_H265_SCALING_LIST_16X16_NUM_LISTS * sizeof(*vksl->ScalingListDCCoef16x16)); for (int i = 0; i < STD_VIDEO_H265_SCALING_LIST_32X32_NUM_LISTS; i++) vksl->ScalingListDCCoef32x32[i] = sl->sl_dc[1][i * 3]; } static void set_sps(const HEVCSPS *sps, int sps_idx, StdVideoH265ScalingLists *vksps_scaling, StdVideoH265HrdParameters *vksps_vui_header, StdVideoH265SequenceParameterSetVui *vksps_vui, StdVideoH265SequenceParameterSet *vksps, StdVideoH265SubLayerHrdParameters *slhdrnal, StdVideoH265SubLayerHrdParameters *slhdrvcl, StdVideoH265ProfileTierLevel *ptl, StdVideoH265DecPicBufMgr *dpbm, StdVideoH265PredictorPaletteEntries *pal, StdVideoH265ShortTermRefPicSet *str, StdVideoH265LongTermRefPicsSps *ltr) { copy_scaling_list(&sps->scaling_list, vksps_scaling); *vksps_vui_header = (StdVideoH265HrdParameters) { .flags = (StdVideoH265HrdFlags) { .nal_hrd_parameters_present_flag = sps->hdr.nal_hrd_parameters_present_flag, .vcl_hrd_parameters_present_flag = sps->hdr.vcl_hrd_parameters_present_flag, .sub_pic_hrd_params_present_flag = sps->hdr.sub_pic_hrd_params_present_flag, .sub_pic_cpb_params_in_pic_timing_sei_flag = sps->hdr.sub_pic_cpb_params_in_pic_timing_sei_flag, .fixed_pic_rate_general_flag = sps->hdr.flags.fixed_pic_rate_general_flag, .fixed_pic_rate_within_cvs_flag = sps->hdr.flags.fixed_pic_rate_within_cvs_flag, .low_delay_hrd_flag = sps->hdr.flags.low_delay_hrd_flag, }, .tick_divisor_minus2 = sps->hdr.tick_divisor_minus2, .du_cpb_removal_delay_increment_length_minus1 = sps->hdr.du_cpb_removal_delay_increment_length_minus1, .dpb_output_delay_du_length_minus1 = sps->hdr.dpb_output_delay_du_length_minus1, .bit_rate_scale = sps->hdr.bit_rate_scale, .cpb_size_scale = sps->hdr.cpb_size_scale, .cpb_size_du_scale = sps->hdr.cpb_size_du_scale, .initial_cpb_removal_delay_length_minus1 = sps->hdr.initial_cpb_removal_delay_length_minus1, .au_cpb_removal_delay_length_minus1 = sps->hdr.au_cpb_removal_delay_length_minus1, .dpb_output_delay_length_minus1 = sps->hdr.dpb_output_delay_length_minus1, /* Reserved - 3*16 bits */ .pSubLayerHrdParametersNal = slhdrnal, .pSubLayerHrdParametersVcl = slhdrvcl, }; memcpy(vksps_vui_header->cpb_cnt_minus1, sps->hdr.cpb_cnt_minus1, STD_VIDEO_H265_SUBLAYERS_LIST_SIZE*sizeof(*vksps_vui_header->cpb_cnt_minus1)); memcpy(vksps_vui_header->elemental_duration_in_tc_minus1, sps->hdr.elemental_duration_in_tc_minus1, STD_VIDEO_H265_SUBLAYERS_LIST_SIZE*sizeof(*vksps_vui_header->elemental_duration_in_tc_minus1)); memcpy(slhdrnal, sps->hdr.nal_params, HEVC_MAX_SUB_LAYERS*sizeof(*slhdrnal)); memcpy(slhdrvcl, sps->hdr.vcl_params, HEVC_MAX_SUB_LAYERS*sizeof(*slhdrvcl)); *vksps_vui = (StdVideoH265SequenceParameterSetVui) { .flags = (StdVideoH265SpsVuiFlags) { .aspect_ratio_info_present_flag = sps->vui.common.aspect_ratio_info_present_flag, .overscan_info_present_flag = sps->vui.common.overscan_info_present_flag, .overscan_appropriate_flag = sps->vui.common.overscan_appropriate_flag, .video_signal_type_present_flag = sps->vui.common.video_signal_type_present_flag, .video_full_range_flag = sps->vui.common.video_full_range_flag, .colour_description_present_flag = sps->vui.common.colour_description_present_flag, .chroma_loc_info_present_flag = sps->vui.common.chroma_loc_info_present_flag, .neutral_chroma_indication_flag = sps->vui.neutra_chroma_indication_flag, .field_seq_flag = sps->vui.field_seq_flag, .frame_field_info_present_flag = sps->vui.frame_field_info_present_flag, .default_display_window_flag = sps->vui.default_display_window_flag, .vui_timing_info_present_flag = sps->vui.vui_timing_info_present_flag, .vui_poc_proportional_to_timing_flag = sps->vui.vui_poc_proportional_to_timing_flag, .vui_hrd_parameters_present_flag = sps->vui.vui_hrd_parameters_present_flag, .bitstream_restriction_flag = sps->vui.bitstream_restriction_flag, .tiles_fixed_structure_flag = sps->vui.tiles_fixed_structure_flag, .motion_vectors_over_pic_boundaries_flag = sps->vui.motion_vectors_over_pic_boundaries_flag, .restricted_ref_pic_lists_flag = sps->vui.restricted_ref_pic_lists_flag, }, .aspect_ratio_idc = sps->vui.common.aspect_ratio_idc, .sar_width = sps->vui.common.sar.num, .sar_height = sps->vui.common.sar.den, .video_format = sps->vui.common.video_format, .colour_primaries = sps->vui.common.colour_primaries, .transfer_characteristics = sps->vui.common.transfer_characteristics, .matrix_coeffs = sps->vui.common.matrix_coeffs, .chroma_sample_loc_type_top_field = sps->vui.common.chroma_sample_loc_type_top_field, .chroma_sample_loc_type_bottom_field = sps->vui.common.chroma_sample_loc_type_bottom_field, /* Reserved */ /* Reserved */ .def_disp_win_left_offset = sps->vui.def_disp_win.left_offset, .def_disp_win_right_offset = sps->vui.def_disp_win.right_offset, .def_disp_win_top_offset = sps->vui.def_disp_win.top_offset, .def_disp_win_bottom_offset = sps->vui.def_disp_win.bottom_offset, .vui_num_units_in_tick = sps->vui.vui_num_units_in_tick, .vui_time_scale = sps->vui.vui_time_scale, .vui_num_ticks_poc_diff_one_minus1 = sps->vui.vui_num_ticks_poc_diff_one_minus1, .min_spatial_segmentation_idc = sps->vui.min_spatial_segmentation_idc, .max_bytes_per_pic_denom = sps->vui.max_bytes_per_pic_denom, .max_bits_per_min_cu_denom = sps->vui.max_bits_per_min_cu_denom, .log2_max_mv_length_horizontal = sps->vui.log2_max_mv_length_horizontal, .log2_max_mv_length_vertical = sps->vui.log2_max_mv_length_vertical, .pHrdParameters = vksps_vui_header, }; *ptl = (StdVideoH265ProfileTierLevel) { .flags = (StdVideoH265ProfileTierLevelFlags) { .general_tier_flag = sps->ptl.general_ptl.tier_flag, .general_progressive_source_flag = sps->ptl.general_ptl.progressive_source_flag, .general_interlaced_source_flag = sps->ptl.general_ptl.interlaced_source_flag, .general_non_packed_constraint_flag = sps->ptl.general_ptl.non_packed_constraint_flag, .general_frame_only_constraint_flag = sps->ptl.general_ptl.frame_only_constraint_flag, }, .general_profile_idc = sps->ptl.general_ptl.profile_idc, .general_level_idc = convert_to_vk_level_idc(sps->ptl.general_ptl.level_idc), }; for (int i = 0; i < sps->max_sub_layers; i++) { dpbm->max_latency_increase_plus1[i] = sps->temporal_layer[i].max_latency_increase + 1; dpbm->max_dec_pic_buffering_minus1[i] = sps->temporal_layer[i].max_dec_pic_buffering - 1; dpbm->max_num_reorder_pics[i] = sps->temporal_layer[i].num_reorder_pics; } for (int i = 0; i < (sps->chroma_format_idc ? 3 : 1); i++) for (int j = 0; j < sps->sps_num_palette_predictor_initializers; j++) pal->PredictorPaletteEntries[i][j] = sps->sps_palette_predictor_initializer[i][j]; for (int i = 0; i < sps->nb_st_rps; i++) { const ShortTermRPS *st_rps = &sps->st_rps[i]; str[i] = (StdVideoH265ShortTermRefPicSet) { .flags = (StdVideoH265ShortTermRefPicSetFlags) { .inter_ref_pic_set_prediction_flag = sps->st_rps[i].rps_predict, .delta_rps_sign = sps->st_rps[i].delta_rps_sign, }, .delta_idx_minus1 = sps->st_rps[i].delta_idx - 1, .use_delta_flag = sps->st_rps[i].use_delta, .abs_delta_rps_minus1 = sps->st_rps[i].abs_delta_rps - 1, .used_by_curr_pic_flag = 0x0, .used_by_curr_pic_s0_flag = 0x0, .used_by_curr_pic_s1_flag = 0x0, /* Reserved */ /* Reserved */ /* Reserved */ .num_negative_pics = sps->st_rps[i].num_negative_pics, .num_positive_pics = sps->st_rps[i].num_delta_pocs - sps->st_rps[i].num_negative_pics, }; /* NOTE: This is the predicted, and *reordered* version. * Probably incorrect, but the spec doesn't say which version to use. */ str[i].used_by_curr_pic_flag = st_rps->used; str[i].used_by_curr_pic_s0_flag = av_zero_extend(st_rps->used, str[i].num_negative_pics); str[i].used_by_curr_pic_s1_flag = st_rps->used >> str[i].num_negative_pics; for (int j = 0; j < str[i].num_negative_pics; j++) str[i].delta_poc_s0_minus1[j] = st_rps->delta_poc[j] - (j ? st_rps->delta_poc[j - 1] : 0) - 1; for (int j = 0; j < str[i].num_positive_pics; j++) str[i].delta_poc_s1_minus1[j] = st_rps->delta_poc[st_rps->num_negative_pics + j] - (j ? st_rps->delta_poc[st_rps->num_negative_pics + j - 1] : 0) - 1; } *ltr = (StdVideoH265LongTermRefPicsSps) { .used_by_curr_pic_lt_sps_flag = sps->used_by_curr_pic_lt, }; for (int i = 0; i < sps->num_long_term_ref_pics_sps; i++) { ltr->lt_ref_pic_poc_lsb_sps[i] = sps->lt_ref_pic_poc_lsb_sps[i]; } *vksps = (StdVideoH265SequenceParameterSet) { .flags = (StdVideoH265SpsFlags) { .sps_temporal_id_nesting_flag = sps->temporal_id_nesting, .separate_colour_plane_flag = sps->separate_colour_plane, .conformance_window_flag = sps->conformance_window, .sps_sub_layer_ordering_info_present_flag = sps->sublayer_ordering_info, .scaling_list_enabled_flag = sps->scaling_list_enabled, .sps_scaling_list_data_present_flag = sps->scaling_list_enabled, .amp_enabled_flag = sps->amp_enabled, .sample_adaptive_offset_enabled_flag = sps->sao_enabled, .pcm_enabled_flag = sps->pcm_enabled, .pcm_loop_filter_disabled_flag = sps->pcm_loop_filter_disabled, .long_term_ref_pics_present_flag = sps->long_term_ref_pics_present, .sps_temporal_mvp_enabled_flag = sps->temporal_mvp_enabled, .strong_intra_smoothing_enabled_flag = sps->strong_intra_smoothing_enabled, .vui_parameters_present_flag = sps->vui_present, .sps_extension_present_flag = sps->extension_present, .sps_range_extension_flag = sps->range_extension, .transform_skip_rotation_enabled_flag = sps->transform_skip_rotation_enabled, .transform_skip_context_enabled_flag = sps->transform_skip_context_enabled, .implicit_rdpcm_enabled_flag = sps->implicit_rdpcm_enabled, .explicit_rdpcm_enabled_flag = sps->explicit_rdpcm_enabled, .extended_precision_processing_flag = sps->extended_precision_processing, .intra_smoothing_disabled_flag = sps->intra_smoothing_disabled, .high_precision_offsets_enabled_flag = sps->high_precision_offsets_enabled, .persistent_rice_adaptation_enabled_flag = sps->persistent_rice_adaptation_enabled, .cabac_bypass_alignment_enabled_flag = sps->cabac_bypass_alignment_enabled, .sps_scc_extension_flag = sps->scc_extension, .sps_curr_pic_ref_enabled_flag = sps->curr_pic_ref_enabled, .palette_mode_enabled_flag = sps->palette_mode_enabled, .sps_palette_predictor_initializers_present_flag = sps->palette_predictor_initializers_present, .intra_boundary_filtering_disabled_flag = sps->intra_boundary_filtering_disabled, }, .chroma_format_idc = sps->chroma_format_idc, .pic_width_in_luma_samples = sps->width, .pic_height_in_luma_samples = sps->height, .sps_video_parameter_set_id = sps->vps_id, .sps_max_sub_layers_minus1 = sps->max_sub_layers - 1, .sps_seq_parameter_set_id = sps_idx, .bit_depth_luma_minus8 = sps->bit_depth - 8, .bit_depth_chroma_minus8 = sps->bit_depth_chroma - 8, .log2_max_pic_order_cnt_lsb_minus4 = sps->log2_max_poc_lsb - 4, .log2_min_luma_coding_block_size_minus3 = sps->log2_min_cb_size - 3, .log2_diff_max_min_luma_coding_block_size = sps->log2_diff_max_min_coding_block_size, .log2_min_luma_transform_block_size_minus2 = sps->log2_min_tb_size - 2, .log2_diff_max_min_luma_transform_block_size = sps->log2_diff_max_min_transform_block_size, .max_transform_hierarchy_depth_inter = sps->max_transform_hierarchy_depth_inter, .max_transform_hierarchy_depth_intra = sps->max_transform_hierarchy_depth_intra, .num_short_term_ref_pic_sets = sps->nb_st_rps, .num_long_term_ref_pics_sps = sps->num_long_term_ref_pics_sps, .pcm_sample_bit_depth_luma_minus1 = sps->pcm.bit_depth - 1, .pcm_sample_bit_depth_chroma_minus1 = sps->pcm.bit_depth_chroma - 1, .log2_min_pcm_luma_coding_block_size_minus3 = sps->pcm.log2_min_pcm_cb_size - 3, .log2_diff_max_min_pcm_luma_coding_block_size = sps->pcm.log2_max_pcm_cb_size - sps->pcm.log2_min_pcm_cb_size, /* Reserved */ /* Reserved */ .palette_max_size = sps->palette_max_size, .delta_palette_max_predictor_size = sps->delta_palette_max_predictor_size, .motion_vector_resolution_control_idc = sps->motion_vector_resolution_control_idc, .sps_num_palette_predictor_initializers_minus1 = sps->sps_num_palette_predictor_initializers - 1, .conf_win_left_offset = sps->pic_conf_win.left_offset, .conf_win_right_offset = sps->pic_conf_win.right_offset, .conf_win_top_offset = sps->pic_conf_win.top_offset, .conf_win_bottom_offset = sps->pic_conf_win.bottom_offset, .pProfileTierLevel = ptl, .pDecPicBufMgr = dpbm, .pScalingLists = vksps_scaling, .pShortTermRefPicSet = str, .pLongTermRefPicsSps = ltr, .pSequenceParameterSetVui = vksps_vui, .pPredictorPaletteEntries = pal, }; } static void set_pps(const HEVCPPS *pps, const HEVCSPS *sps, StdVideoH265ScalingLists *vkpps_scaling, StdVideoH265PictureParameterSet *vkpps, StdVideoH265PredictorPaletteEntries *pal) { copy_scaling_list(&pps->scaling_list, vkpps_scaling); *vkpps = (StdVideoH265PictureParameterSet) { .flags = (StdVideoH265PpsFlags) { .dependent_slice_segments_enabled_flag = pps->dependent_slice_segments_enabled_flag, .output_flag_present_flag = pps->output_flag_present_flag, .sign_data_hiding_enabled_flag = pps->sign_data_hiding_flag, .cabac_init_present_flag = pps->cabac_init_present_flag, .constrained_intra_pred_flag = pps->constrained_intra_pred_flag, .transform_skip_enabled_flag = pps->transform_skip_enabled_flag, .cu_qp_delta_enabled_flag = pps->cu_qp_delta_enabled_flag, .pps_slice_chroma_qp_offsets_present_flag = pps->pic_slice_level_chroma_qp_offsets_present_flag, .weighted_pred_flag = pps->weighted_pred_flag, .weighted_bipred_flag = pps->weighted_bipred_flag, .transquant_bypass_enabled_flag = pps->transquant_bypass_enable_flag, .tiles_enabled_flag = pps->tiles_enabled_flag, .entropy_coding_sync_enabled_flag = pps->entropy_coding_sync_enabled_flag, .uniform_spacing_flag = pps->uniform_spacing_flag, .loop_filter_across_tiles_enabled_flag = pps->loop_filter_across_tiles_enabled_flag, .pps_loop_filter_across_slices_enabled_flag = pps->seq_loop_filter_across_slices_enabled_flag, .deblocking_filter_control_present_flag = pps->deblocking_filter_control_present_flag, .deblocking_filter_override_enabled_flag = pps->deblocking_filter_override_enabled_flag, .pps_deblocking_filter_disabled_flag = pps->disable_dbf, .pps_scaling_list_data_present_flag = pps->scaling_list_data_present_flag, .lists_modification_present_flag = pps->lists_modification_present_flag, .slice_segment_header_extension_present_flag = pps->slice_header_extension_present_flag, .pps_extension_present_flag = pps->pps_extension_present_flag, .cross_component_prediction_enabled_flag = pps->cross_component_prediction_enabled_flag, .chroma_qp_offset_list_enabled_flag = pps->chroma_qp_offset_list_enabled_flag, .pps_curr_pic_ref_enabled_flag = pps->pps_curr_pic_ref_enabled_flag, .residual_adaptive_colour_transform_enabled_flag = pps->residual_adaptive_colour_transform_enabled_flag, .pps_slice_act_qp_offsets_present_flag = pps->pps_slice_act_qp_offsets_present_flag, .pps_palette_predictor_initializers_present_flag = pps->pps_palette_predictor_initializers_present_flag, .monochrome_palette_flag = pps->monochrome_palette_flag, .pps_range_extension_flag = pps->pps_range_extensions_flag, }, .pps_pic_parameter_set_id = pps->pps_id, .pps_seq_parameter_set_id = pps->sps_id, .sps_video_parameter_set_id = sps->vps_id, .num_extra_slice_header_bits = pps->num_extra_slice_header_bits, .num_ref_idx_l0_default_active_minus1 = pps->num_ref_idx_l0_default_active - 1, .num_ref_idx_l1_default_active_minus1 = pps->num_ref_idx_l1_default_active - 1, .init_qp_minus26 = pps->pic_init_qp_minus26, .diff_cu_qp_delta_depth = pps->diff_cu_qp_delta_depth, .pps_cb_qp_offset = pps->cb_qp_offset, .pps_cr_qp_offset = pps->cr_qp_offset, .pps_beta_offset_div2 = pps->beta_offset >> 1, .pps_tc_offset_div2 = pps->tc_offset >> 1, .log2_parallel_merge_level_minus2 = pps->log2_parallel_merge_level - 2, .log2_max_transform_skip_block_size_minus2 = pps->log2_max_transform_skip_block_size - 2, .diff_cu_chroma_qp_offset_depth = pps->diff_cu_chroma_qp_offset_depth, .chroma_qp_offset_list_len_minus1 = pps->chroma_qp_offset_list_len_minus1, .log2_sao_offset_scale_luma = pps->log2_sao_offset_scale_luma, .log2_sao_offset_scale_chroma = pps->log2_sao_offset_scale_chroma, .pps_act_y_qp_offset_plus5 = pps->pps_act_y_qp_offset + 5, .pps_act_cb_qp_offset_plus5 = pps->pps_act_cb_qp_offset + 5, .pps_act_cr_qp_offset_plus3 = pps->pps_act_cr_qp_offset + 3, .pps_num_palette_predictor_initializers = pps->pps_num_palette_predictor_initializers, .luma_bit_depth_entry_minus8 = pps->luma_bit_depth_entry - 8, .chroma_bit_depth_entry_minus8 = pps->chroma_bit_depth_entry - 8, .num_tile_columns_minus1 = pps->num_tile_columns - 1, .num_tile_rows_minus1 = pps->num_tile_rows - 1, .pScalingLists = vkpps_scaling, .pPredictorPaletteEntries = pal, }; for (int i = 0; i < (pps->monochrome_palette_flag ? 1 : 3); i++) { for (int j = 0; j < pps->pps_num_palette_predictor_initializers; j++) pal->PredictorPaletteEntries[i][j] = pps->pps_palette_predictor_initializer[i][j]; } for (int i = 0; i < pps->num_tile_columns - 1; i++) vkpps->column_width_minus1[i] = pps->column_width[i] - 1; for (int i = 0; i < pps->num_tile_rows - 1; i++) vkpps->row_height_minus1[i] = pps->row_height[i] - 1; for (int i = 0; i <= pps->chroma_qp_offset_list_len_minus1; i++) { vkpps->cb_qp_offset_list[i] = pps->cb_qp_offset_list[i]; vkpps->cr_qp_offset_list[i] = pps->cr_qp_offset_list[i]; } } static void set_vps(const HEVCVPS *vps, StdVideoH265VideoParameterSet *vkvps, StdVideoH265ProfileTierLevel *ptl, StdVideoH265DecPicBufMgr *dpbm, StdVideoH265HrdParameters *sls_hdr, HEVCHeaderVPSSet sls[]) { for (int i = 0; i < vps->vps_num_hrd_parameters; i++) { const HEVCHdrParams *src = &vps->hdr[i]; sls_hdr[i] = (StdVideoH265HrdParameters) { .flags = (StdVideoH265HrdFlags) { .nal_hrd_parameters_present_flag = src->nal_hrd_parameters_present_flag, .vcl_hrd_parameters_present_flag = src->vcl_hrd_parameters_present_flag, .sub_pic_hrd_params_present_flag = src->sub_pic_hrd_params_present_flag, .sub_pic_cpb_params_in_pic_timing_sei_flag = src->sub_pic_cpb_params_in_pic_timing_sei_flag, .fixed_pic_rate_general_flag = src->flags.fixed_pic_rate_general_flag, .fixed_pic_rate_within_cvs_flag = src->flags.fixed_pic_rate_within_cvs_flag, .low_delay_hrd_flag = src->flags.low_delay_hrd_flag, }, .tick_divisor_minus2 = src->tick_divisor_minus2, .du_cpb_removal_delay_increment_length_minus1 = src->du_cpb_removal_delay_increment_length_minus1, .dpb_output_delay_du_length_minus1 = src->dpb_output_delay_du_length_minus1, .bit_rate_scale = src->bit_rate_scale, .cpb_size_scale = src->cpb_size_scale, .cpb_size_du_scale = src->cpb_size_du_scale, .initial_cpb_removal_delay_length_minus1 = src->initial_cpb_removal_delay_length_minus1, .au_cpb_removal_delay_length_minus1 = src->au_cpb_removal_delay_length_minus1, .dpb_output_delay_length_minus1 = src->dpb_output_delay_length_minus1, /* Reserved - 3*16 bits */ .pSubLayerHrdParametersNal = sls[i].nal_hdr, .pSubLayerHrdParametersVcl = sls[i].vcl_hdr, }; memcpy(sls_hdr[i].cpb_cnt_minus1, src->cpb_cnt_minus1, STD_VIDEO_H265_SUBLAYERS_LIST_SIZE*sizeof(*sls_hdr[i].cpb_cnt_minus1)); memcpy(sls_hdr[i].elemental_duration_in_tc_minus1, src->elemental_duration_in_tc_minus1, STD_VIDEO_H265_SUBLAYERS_LIST_SIZE*sizeof(*sls_hdr[i].elemental_duration_in_tc_minus1)); memcpy(sls[i].nal_hdr, src->nal_params, HEVC_MAX_SUB_LAYERS*sizeof(*sls[i].nal_hdr)); memcpy(sls[i].vcl_hdr, src->vcl_params, HEVC_MAX_SUB_LAYERS*sizeof(*sls[i].vcl_hdr)); } *ptl = (StdVideoH265ProfileTierLevel) { .flags = (StdVideoH265ProfileTierLevelFlags) { .general_tier_flag = vps->ptl.general_ptl.tier_flag, .general_progressive_source_flag = vps->ptl.general_ptl.progressive_source_flag, .general_interlaced_source_flag = vps->ptl.general_ptl.interlaced_source_flag, .general_non_packed_constraint_flag = vps->ptl.general_ptl.non_packed_constraint_flag, .general_frame_only_constraint_flag = vps->ptl.general_ptl.frame_only_constraint_flag, }, .general_profile_idc = vps->ptl.general_ptl.profile_idc, .general_level_idc = convert_to_vk_level_idc(vps->ptl.general_ptl.level_idc), }; for (int i = 0; i < vps->vps_max_sub_layers; i++) { dpbm->max_latency_increase_plus1[i] = vps->vps_max_latency_increase[i] + 1; dpbm->max_dec_pic_buffering_minus1[i] = vps->vps_max_dec_pic_buffering[i] - 1; dpbm->max_num_reorder_pics[i] = vps->vps_num_reorder_pics[i]; } *vkvps = (StdVideoH265VideoParameterSet) { .flags = (StdVideoH265VpsFlags) { .vps_temporal_id_nesting_flag = vps->vps_temporal_id_nesting_flag, .vps_sub_layer_ordering_info_present_flag = vps->vps_sub_layer_ordering_info_present_flag, .vps_timing_info_present_flag = vps->vps_timing_info_present_flag, .vps_poc_proportional_to_timing_flag = vps->vps_poc_proportional_to_timing_flag, }, .vps_video_parameter_set_id = vps->vps_id, .vps_max_sub_layers_minus1 = vps->vps_max_sub_layers - 1, /* Reserved */ /* Reserved */ .vps_num_units_in_tick = vps->vps_num_units_in_tick, .vps_time_scale = vps->vps_time_scale, .vps_num_ticks_poc_diff_one_minus1 = vps->vps_num_ticks_poc_diff_one - 1, /* Reserved */ .pDecPicBufMgr = dpbm, .pHrdParameters = sls_hdr, .pProfileTierLevel = ptl, }; } static int vk_hevc_create_params(AVCodecContext *avctx, AVBufferRef **buf) { int err; const HEVCContext *h = avctx->priv_data; FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data; FFVulkanDecodeShared *ctx = dec->shared_ctx; VkVideoDecodeH265SessionParametersAddInfoKHR h265_params_info = { .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_H265_SESSION_PARAMETERS_ADD_INFO_KHR, .stdSPSCount = 0, .stdPPSCount = 0, .stdVPSCount = 0, }; VkVideoDecodeH265SessionParametersCreateInfoKHR h265_params = { .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_H265_SESSION_PARAMETERS_CREATE_INFO_KHR, .pParametersAddInfo = &h265_params_info, }; VkVideoSessionParametersCreateInfoKHR session_params_create = { .sType = VK_STRUCTURE_TYPE_VIDEO_SESSION_PARAMETERS_CREATE_INFO_KHR, .pNext = &h265_params, .videoSession = ctx->common.session, .videoSessionParametersTemplate = VK_NULL_HANDLE, }; HEVCHeaderSet *hdr; int nb_vps = 0; int vps_list_idx[HEVC_MAX_VPS_COUNT]; for (int i = 0; i < HEVC_MAX_VPS_COUNT; i++) if (h->ps.vps_list[i]) vps_list_idx[nb_vps++] = i; err = alloc_hevc_header_structs(dec, nb_vps, vps_list_idx, h->ps.vps_list); if (err < 0) return err; hdr = dec->hevc_headers; h265_params_info.pStdSPSs = hdr->sps; h265_params_info.pStdPPSs = hdr->pps; h265_params_info.pStdVPSs = hdr->vps; /* SPS list */ for (int i = 0; i < HEVC_MAX_SPS_COUNT; i++) { if (h->ps.sps_list[i]) { const HEVCSPS *sps_l = h->ps.sps_list[i]; int idx = h265_params_info.stdSPSCount++; set_sps(sps_l, i, &hdr->hsps[idx].scaling, &hdr->hsps[idx].vui_header, &hdr->hsps[idx].vui, &hdr->sps[idx], hdr->hsps[idx].nal_hdr, hdr->hsps[idx].vcl_hdr, &hdr->hsps[idx].ptl, &hdr->hsps[idx].dpbm, &hdr->hsps[idx].pal, hdr->hsps[idx].str, &hdr->hsps[idx].ltr); } } /* PPS list */ for (int i = 0; i < HEVC_MAX_PPS_COUNT; i++) { if (h->ps.pps_list[i]) { const HEVCPPS *pps_l = h->ps.pps_list[i]; const HEVCSPS *sps_l = h->ps.sps_list[pps_l->sps_id]; int idx = h265_params_info.stdPPSCount++; set_pps(pps_l, sps_l, &hdr->hpps[idx].scaling, &hdr->pps[idx], &hdr->hpps[idx].pal); } } /* VPS list */ for (int i = 0; i < nb_vps; i++) { const HEVCVPS *vps_l = h->ps.vps_list[vps_list_idx[i]]; set_vps(vps_l, &hdr->vps[i], &hdr->hvps[i].ptl, &hdr->hvps[i].dpbm, hdr->hvps[i].hdr, hdr->hvps[i].sls); h265_params_info.stdVPSCount++; } h265_params.maxStdSPSCount = h265_params_info.stdSPSCount; h265_params.maxStdPPSCount = h265_params_info.stdPPSCount; h265_params.maxStdVPSCount = h265_params_info.stdVPSCount; err = ff_vk_decode_create_params(buf, avctx, ctx, &session_params_create); if (err < 0) return err; av_log(avctx, AV_LOG_DEBUG, "Created frame parameters: %i SPS %i PPS %i VPS\n", h265_params_info.stdSPSCount, h265_params_info.stdPPSCount, h265_params_info.stdVPSCount); return 0; } static int vk_hevc_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size) { int err; HEVCContext *h = avctx->priv_data; HEVCLayerContext *l = &h->layers[h->cur_layer]; HEVCFrame *pic = h->cur_frame; FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data; HEVCVulkanDecodePicture *hp = pic->hwaccel_picture_private; FFVulkanDecodePicture *vp = &hp->vp; const HEVCPPS *pps = h->pps; const HEVCSPS *sps = pps->sps; int nb_refs = 0; if (!dec->session_params) { err = vk_hevc_create_params(avctx, &dec->session_params); if (err < 0) return err; } hp->h265pic = (StdVideoDecodeH265PictureInfo) { .flags = (StdVideoDecodeH265PictureInfoFlags) { .IrapPicFlag = IS_IRAP(h), .IdrPicFlag = IS_IDR(h), .IsReference = h->nal_unit_type < 16 ? h->nal_unit_type & 1 : 1, .short_term_ref_pic_set_sps_flag = h->sh.short_term_ref_pic_set_sps_flag, }, .sps_video_parameter_set_id = sps->vps_id, .pps_seq_parameter_set_id = pps->sps_id, .pps_pic_parameter_set_id = pps->pps_id, .NumDeltaPocsOfRefRpsIdx = h->sh.short_term_rps ? h->sh.short_term_rps->rps_idx_num_delta_pocs : 0, .PicOrderCntVal = h->poc, .NumBitsForSTRefPicSetInSlice = !h->sh.short_term_ref_pic_set_sps_flag ? h->sh.short_term_ref_pic_set_size : 0, }; /* Fill in references */ for (int i = 0; i < FF_ARRAY_ELEMS(l->DPB); i++) { const HEVCFrame *ref = &l->DPB[i]; int idx = nb_refs; if (!(ref->flags & (HEVC_FRAME_FLAG_SHORT_REF | HEVC_FRAME_FLAG_LONG_REF))) continue; if (ref == pic) { err = vk_hevc_fill_pict(avctx, NULL, &vp->ref_slot, &vp->ref, &hp->vkh265_ref, &hp->h265_ref, pic, 1, i); if (err < 0) return err; continue; } err = vk_hevc_fill_pict(avctx, &hp->ref_src[idx], &vp->ref_slots[idx], &vp->refs[idx], &hp->vkh265_refs[idx], &hp->h265_refs[idx], (HEVCFrame *)ref, 0, i); if (err < 0) return err; nb_refs++; } memset(hp->h265pic.RefPicSetStCurrBefore, 0xff, 8); for (int i = 0; i < h->rps[ST_CURR_BEF].nb_refs; i++) { HEVCFrame *frame = h->rps[ST_CURR_BEF].ref[i]; for (int j = 0; j < FF_ARRAY_ELEMS(l->DPB); j++) { const HEVCFrame *ref = &l->DPB[j]; if (ref == frame) { hp->h265pic.RefPicSetStCurrBefore[i] = j; break; } } } memset(hp->h265pic.RefPicSetStCurrAfter, 0xff, 8); for (int i = 0; i < h->rps[ST_CURR_AFT].nb_refs; i++) { HEVCFrame *frame = h->rps[ST_CURR_AFT].ref[i]; for (int j = 0; j < FF_ARRAY_ELEMS(l->DPB); j++) { const HEVCFrame *ref = &l->DPB[j]; if (ref == frame) { hp->h265pic.RefPicSetStCurrAfter[i] = j; break; } } } memset(hp->h265pic.RefPicSetLtCurr, 0xff, 8); for (int i = 0; i < h->rps[LT_CURR].nb_refs; i++) { HEVCFrame *frame = h->rps[LT_CURR].ref[i]; for (int j = 0; j < FF_ARRAY_ELEMS(l->DPB); j++) { const HEVCFrame *ref = &l->DPB[j]; if (ref == frame) { hp->h265pic.RefPicSetLtCurr[i] = j; break; } } } hp->h265_pic_info = (VkVideoDecodeH265PictureInfoKHR) { .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_H265_PICTURE_INFO_KHR, .pStdPictureInfo = &hp->h265pic, .sliceSegmentCount = 0, }; vp->decode_info = (VkVideoDecodeInfoKHR) { .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_INFO_KHR, .pNext = &hp->h265_pic_info, .flags = 0x0, .pSetupReferenceSlot = &vp->ref_slot, .referenceSlotCount = nb_refs, .pReferenceSlots = vp->ref_slots, .dstPictureResource = (VkVideoPictureResourceInfoKHR) { .sType = VK_STRUCTURE_TYPE_VIDEO_PICTURE_RESOURCE_INFO_KHR, .codedOffset = (VkOffset2D){ 0, 0 }, .codedExtent = (VkExtent2D){ pic->f->width, pic->f->height }, .baseArrayLayer = 0, .imageViewBinding = vp->img_view_out, }, }; return 0; } static int vk_hevc_decode_slice(AVCodecContext *avctx, const uint8_t *data, uint32_t size) { const HEVCContext *h = avctx->priv_data; HEVCVulkanDecodePicture *hp = h->cur_frame->hwaccel_picture_private; FFVulkanDecodePicture *vp = &hp->vp; int err = ff_vk_decode_add_slice(avctx, vp, data, size, 1, &hp->h265_pic_info.sliceSegmentCount, &hp->h265_pic_info.pSliceSegmentOffsets); if (err < 0) return err; return 0; } static int vk_hevc_end_frame(AVCodecContext *avctx) { const HEVCContext *h = avctx->priv_data; FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data; HEVCFrame *pic = h->cur_frame; HEVCVulkanDecodePicture *hp = pic->hwaccel_picture_private; FFVulkanDecodePicture *vp = &hp->vp; FFVulkanDecodePicture *rvp[HEVC_MAX_REFS] = { 0 }; AVFrame *rav[HEVC_MAX_REFS] = { 0 }; int err; if (!hp->h265_pic_info.sliceSegmentCount) return 0; if (!dec->session_params) { const HEVCPPS *pps = h->pps; const HEVCSPS *sps = pps->sps; if (!pps) { unsigned int pps_id = h->sh.pps_id; if (pps_id < HEVC_MAX_PPS_COUNT && h->ps.pps_list[pps_id] != NULL) pps = h->ps.pps_list[pps_id]; } if (!pps) { av_log(avctx, AV_LOG_ERROR, "Encountered frame without a valid active PPS reference.\n"); return AVERROR_INVALIDDATA; } err = vk_hevc_create_params(avctx, &dec->session_params); if (err < 0) return err; hp->h265pic.sps_video_parameter_set_id = sps->vps_id; hp->h265pic.pps_seq_parameter_set_id = pps->sps_id; hp->h265pic.pps_pic_parameter_set_id = pps->pps_id; } for (int i = 0; i < vp->decode_info.referenceSlotCount; i++) { HEVCVulkanDecodePicture *rfhp = hp->ref_src[i]->hwaccel_picture_private; rav[i] = hp->ref_src[i]->f; rvp[i] = &rfhp->vp; } av_log(avctx, AV_LOG_VERBOSE, "Decoding frame, %"SIZE_SPECIFIER" bytes, %i slices\n", vp->slices_size, hp->h265_pic_info.sliceSegmentCount); return ff_vk_decode_frame(avctx, pic->f, vp, rav, rvp); } static void vk_hevc_free_frame_priv(FFRefStructOpaque _hwctx, void *data) { AVHWDeviceContext *hwctx = _hwctx.nc; HEVCVulkanDecodePicture *hp = data; /* Free frame resources */ ff_vk_decode_free_frame(hwctx, &hp->vp); } const FFHWAccel ff_hevc_vulkan_hwaccel = { .p.name = "hevc_vulkan", .p.type = AVMEDIA_TYPE_VIDEO, .p.id = AV_CODEC_ID_HEVC, .p.pix_fmt = AV_PIX_FMT_VULKAN, .start_frame = &vk_hevc_start_frame, .decode_slice = &vk_hevc_decode_slice, .end_frame = &vk_hevc_end_frame, .free_frame_priv = &vk_hevc_free_frame_priv, .frame_priv_data_size = sizeof(HEVCVulkanDecodePicture), .init = &ff_vk_decode_init, .update_thread_context = &ff_vk_update_thread_context, .decode_params = &ff_vk_params_invalidate, .flush = &ff_vk_decode_flush, .uninit = &ff_vk_decode_uninit, .frame_params = &ff_vk_frame_params, .priv_data_size = sizeof(FFVulkanDecodeContext), .caps_internal = HWACCEL_CAP_ASYNC_SAFE | HWACCEL_CAP_THREAD_SAFE, };