/* * 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 "av1dec.h" #include "vulkan_decode.h" /* Maximum number of tiles specified by any defined level */ #define MAX_TILES 256 const FFVulkanDecodeDescriptor ff_vk_dec_av1_desc = { .codec_id = AV_CODEC_ID_AV1, .decode_extension = FF_VK_EXT_VIDEO_DECODE_AV1, .decode_op = VK_VIDEO_CODEC_OPERATION_DECODE_AV1_BIT_KHR, .ext_props = { .extensionName = VK_STD_VULKAN_VIDEO_CODEC_AV1_DECODE_EXTENSION_NAME, .specVersion = VK_STD_VULKAN_VIDEO_CODEC_AV1_DECODE_SPEC_VERSION, }, }; typedef struct AV1VulkanDecodePicture { FFVulkanDecodePicture vp; /* TODO: investigate if this can be removed to make decoding completely * independent. */ FFVulkanDecodeContext *dec; uint32_t tile_sizes[MAX_TILES]; /* Current picture */ StdVideoDecodeAV1ReferenceInfo std_ref; VkVideoDecodeAV1DpbSlotInfoKHR vkav1_ref; uint16_t width_in_sbs_minus1[64]; uint16_t height_in_sbs_minus1[64]; uint16_t mi_col_starts[64]; uint16_t mi_row_starts[64]; StdVideoAV1TileInfo tile_info; StdVideoAV1Quantization quantization; StdVideoAV1Segmentation segmentation; StdVideoAV1LoopFilter loop_filter; StdVideoAV1CDEF cdef; StdVideoAV1LoopRestoration loop_restoration; StdVideoAV1GlobalMotion global_motion; StdVideoAV1FilmGrain film_grain; StdVideoDecodeAV1PictureInfo std_pic_info; VkVideoDecodeAV1PictureInfoKHR av1_pic_info; /* Picture refs */ const AV1Frame *ref_src [AV1_NUM_REF_FRAMES]; StdVideoDecodeAV1ReferenceInfo std_refs [AV1_NUM_REF_FRAMES]; VkVideoDecodeAV1DpbSlotInfoKHR vkav1_refs[AV1_NUM_REF_FRAMES]; uint8_t frame_id_set; uint8_t frame_id; uint8_t ref_frame_sign_bias_mask; } AV1VulkanDecodePicture; static int vk_av1_fill_pict(AVCodecContext *avctx, const AV1Frame **ref_src, VkVideoReferenceSlotInfoKHR *ref_slot, /* Main structure */ VkVideoPictureResourceInfoKHR *ref, /* Goes in ^ */ StdVideoDecodeAV1ReferenceInfo *vkav1_std_ref, VkVideoDecodeAV1DpbSlotInfoKHR *vkav1_ref, /* Goes in ^ */ const AV1Frame *pic, int is_current, int has_grain, const uint8_t *saved_order_hints) { FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data; AV1VulkanDecodePicture *hp = pic->hwaccel_picture_private; FFVulkanDecodePicture *vkpic = &hp->vp; int err = ff_vk_decode_prepare_frame(dec, pic->f, vkpic, is_current, has_grain || dec->dedicated_dpb); if (err < 0) return err; *vkav1_std_ref = (StdVideoDecodeAV1ReferenceInfo) { .flags = (StdVideoDecodeAV1ReferenceInfoFlags) { .disable_frame_end_update_cdf = pic->raw_frame_header->disable_frame_end_update_cdf, .segmentation_enabled = pic->raw_frame_header->segmentation_enabled, }, .frame_type = pic->raw_frame_header->frame_type, .OrderHint = pic->raw_frame_header->order_hint, .RefFrameSignBias = hp->ref_frame_sign_bias_mask, }; if (saved_order_hints) for (int i = 0; i < AV1_TOTAL_REFS_PER_FRAME; i++) vkav1_std_ref->SavedOrderHints[i] = saved_order_hints[i]; *vkav1_ref = (VkVideoDecodeAV1DpbSlotInfoKHR) { .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_AV1_DPB_SLOT_INFO_KHR, .pStdReferenceInfo = vkav1_std_ref, }; vkav1_std_ref->flags.disable_frame_end_update_cdf = pic->raw_frame_header->disable_frame_end_update_cdf; vkav1_std_ref->flags.segmentation_enabled = pic->raw_frame_header->segmentation_enabled; vkav1_std_ref->frame_type = pic->raw_frame_header->frame_type; *ref = (VkVideoPictureResourceInfoKHR) { .sType = VK_STRUCTURE_TYPE_VIDEO_PICTURE_RESOURCE_INFO_KHR, .codedOffset = (VkOffset2D){ 0, 0 }, .codedExtent = (VkExtent2D){ pic->f->width, pic->f->height }, .baseArrayLayer = ((has_grain || dec->dedicated_dpb) && dec->layered_dpb) ? hp->frame_id : 0, .imageViewBinding = vkpic->img_view_ref, }; *ref_slot = (VkVideoReferenceSlotInfoKHR) { .sType = VK_STRUCTURE_TYPE_VIDEO_REFERENCE_SLOT_INFO_KHR, .pNext = vkav1_ref, .slotIndex = hp->frame_id, .pPictureResource = ref, }; if (ref_src) *ref_src = pic; return 0; } static int vk_av1_create_params(AVCodecContext *avctx, AVBufferRef **buf) { const AV1DecContext *s = avctx->priv_data; FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data; FFVulkanDecodeShared *ctx = dec->shared_ctx; const AV1RawSequenceHeader *seq = s->raw_seq; StdVideoAV1SequenceHeader av1_sequence_header; StdVideoAV1TimingInfo av1_timing_info; StdVideoAV1ColorConfig av1_color_config; VkVideoDecodeAV1SessionParametersCreateInfoKHR av1_params; VkVideoSessionParametersCreateInfoKHR session_params_create; int err; av1_timing_info = (StdVideoAV1TimingInfo) { .flags = (StdVideoAV1TimingInfoFlags) { .equal_picture_interval = seq->timing_info.equal_picture_interval, }, .num_units_in_display_tick = seq->timing_info.num_units_in_display_tick, .time_scale = seq->timing_info.time_scale, .num_ticks_per_picture_minus_1 = seq->timing_info.num_ticks_per_picture_minus_1, }; av1_color_config = (StdVideoAV1ColorConfig) { .flags = (StdVideoAV1ColorConfigFlags) { .mono_chrome = seq->color_config.mono_chrome, .color_range = seq->color_config.color_range, .separate_uv_delta_q = seq->color_config.separate_uv_delta_q, }, .BitDepth = seq->color_config.twelve_bit ? 12 : seq->color_config.high_bitdepth ? 10 : 8, .subsampling_x = seq->color_config.subsampling_x, .subsampling_y = seq->color_config.subsampling_y, .color_primaries = seq->color_config.color_primaries, .transfer_characteristics = seq->color_config.transfer_characteristics, .matrix_coefficients = seq->color_config.matrix_coefficients, }; av1_sequence_header = (StdVideoAV1SequenceHeader) { .flags = (StdVideoAV1SequenceHeaderFlags) { .still_picture = seq->still_picture, .reduced_still_picture_header = seq->reduced_still_picture_header, .use_128x128_superblock = seq->use_128x128_superblock, .enable_filter_intra = seq->enable_filter_intra, .enable_intra_edge_filter = seq->enable_intra_edge_filter, .enable_interintra_compound = seq->enable_interintra_compound, .enable_masked_compound = seq->enable_masked_compound, .enable_warped_motion = seq->enable_warped_motion, .enable_dual_filter = seq->enable_dual_filter, .enable_order_hint = seq->enable_order_hint, .enable_jnt_comp = seq->enable_jnt_comp, .enable_ref_frame_mvs = seq->enable_ref_frame_mvs, .frame_id_numbers_present_flag = seq->frame_id_numbers_present_flag, .enable_superres = seq->enable_superres, .enable_cdef = seq->enable_cdef, .enable_restoration = seq->enable_restoration, .film_grain_params_present = seq->film_grain_params_present, .timing_info_present_flag = seq->timing_info_present_flag, .initial_display_delay_present_flag = seq->initial_display_delay_present_flag, }, .seq_profile = seq->seq_profile, .frame_width_bits_minus_1 = seq->frame_width_bits_minus_1, .frame_height_bits_minus_1 = seq->frame_height_bits_minus_1, .max_frame_width_minus_1 = seq->max_frame_width_minus_1, .max_frame_height_minus_1 = seq->max_frame_height_minus_1, .delta_frame_id_length_minus_2 = seq->delta_frame_id_length_minus_2, .additional_frame_id_length_minus_1 = seq->additional_frame_id_length_minus_1, .order_hint_bits_minus_1 = seq->order_hint_bits_minus_1, .seq_force_integer_mv = seq->seq_force_integer_mv, .seq_force_screen_content_tools = seq->seq_force_screen_content_tools, .pTimingInfo = &av1_timing_info, .pColorConfig = &av1_color_config, }; av1_params = (VkVideoDecodeAV1SessionParametersCreateInfoKHR) { .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_AV1_SESSION_PARAMETERS_CREATE_INFO_KHR, .pStdSequenceHeader = &av1_sequence_header, }; session_params_create = (VkVideoSessionParametersCreateInfoKHR) { .sType = VK_STRUCTURE_TYPE_VIDEO_SESSION_PARAMETERS_CREATE_INFO_KHR, .pNext = &av1_params, .videoSession = ctx->common.session, .videoSessionParametersTemplate = VK_NULL_HANDLE, }; 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\n"); return 0; } static int vk_av1_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size) { int err; int ref_count = 0; AV1DecContext *s = avctx->priv_data; const AV1Frame *pic = &s->cur_frame; FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data; AV1VulkanDecodePicture *ap = pic->hwaccel_picture_private; FFVulkanDecodePicture *vp = &ap->vp; const AV1RawFrameHeader *frame_header = s->raw_frame_header; const AV1RawFilmGrainParams *film_grain = &s->cur_frame.film_grain; const int apply_grain = !(avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN) && film_grain->apply_grain; StdVideoAV1FrameRestorationType remap_lr_type[4] = { STD_VIDEO_AV1_FRAME_RESTORATION_TYPE_NONE, STD_VIDEO_AV1_FRAME_RESTORATION_TYPE_SWITCHABLE, STD_VIDEO_AV1_FRAME_RESTORATION_TYPE_WIENER, STD_VIDEO_AV1_FRAME_RESTORATION_TYPE_SGRPROJ }; if (!dec->session_params) { err = vk_av1_create_params(avctx, &dec->session_params); if (err < 0) return err; } if (!ap->frame_id_set) { unsigned slot_idx = 0; for (unsigned i = 0; i < 32; i++) { if (!(dec->frame_id_alloc_mask & (1 << i))) { slot_idx = i; break; } } ap->frame_id = slot_idx; ap->frame_id_set = 1; dec->frame_id_alloc_mask |= (1 << slot_idx); } ap->ref_frame_sign_bias_mask = 0x0; for (int i = 0; i < STD_VIDEO_AV1_TOTAL_REFS_PER_FRAME; i++) ap->ref_frame_sign_bias_mask |= pic->ref_frame_sign_bias[i] << i; for (int i = 0; i < STD_VIDEO_AV1_REFS_PER_FRAME; i++) { const int idx = pic->raw_frame_header->ref_frame_idx[i]; const AV1Frame *ref_frame = &s->ref[idx]; AV1VulkanDecodePicture *hp = ref_frame->hwaccel_picture_private; int found = 0; if (ref_frame->f->pict_type == AV_PICTURE_TYPE_NONE) continue; for (int j = 0; j < ref_count; j++) { if (vp->ref_slots[j].slotIndex == hp->frame_id) { found = 1; break; } } if (found) continue; err = vk_av1_fill_pict(avctx, &ap->ref_src[ref_count], &vp->ref_slots[ref_count], &vp->refs[ref_count], &ap->std_refs[ref_count], &ap->vkav1_refs[ref_count], ref_frame, 0, 0, ref_frame->order_hints); if (err < 0) return err; ref_count++; } err = vk_av1_fill_pict(avctx, NULL, &vp->ref_slot, &vp->ref, &ap->std_ref, &ap->vkav1_ref, pic, 1, apply_grain, NULL); if (err < 0) return err; ap->av1_pic_info = (VkVideoDecodeAV1PictureInfoKHR) { .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_AV1_PICTURE_INFO_KHR, .pStdPictureInfo = &ap->std_pic_info, .frameHeaderOffset = 0, .tileCount = 0, .pTileOffsets = NULL, .pTileSizes = ap->tile_sizes, }; for (int i = 0; i < STD_VIDEO_AV1_REFS_PER_FRAME; i++) { const int idx = pic->raw_frame_header->ref_frame_idx[i]; const AV1Frame *ref_frame = &s->ref[idx]; AV1VulkanDecodePicture *hp = ref_frame->hwaccel_picture_private; if (ref_frame->f->pict_type == AV_PICTURE_TYPE_NONE) ap->av1_pic_info.referenceNameSlotIndices[i] = AV1_REF_FRAME_NONE; else ap->av1_pic_info.referenceNameSlotIndices[i] = hp->frame_id; } vp->decode_info = (VkVideoDecodeInfoKHR) { .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_INFO_KHR, .pNext = &ap->av1_pic_info, .flags = 0x0, .pSetupReferenceSlot = &vp->ref_slot, .referenceSlotCount = ref_count, .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, }, }; ap->tile_info = (StdVideoAV1TileInfo) { .flags = (StdVideoAV1TileInfoFlags) { .uniform_tile_spacing_flag = frame_header->uniform_tile_spacing_flag, }, .TileCols = frame_header->tile_cols, .TileRows = frame_header->tile_rows, .context_update_tile_id = frame_header->context_update_tile_id, .tile_size_bytes_minus_1 = frame_header->tile_size_bytes_minus1, .pWidthInSbsMinus1 = ap->width_in_sbs_minus1, .pHeightInSbsMinus1 = ap->height_in_sbs_minus1, .pMiColStarts = ap->mi_col_starts, .pMiRowStarts = ap->mi_row_starts, }; ap->quantization = (StdVideoAV1Quantization) { .flags.using_qmatrix = frame_header->using_qmatrix, .flags.diff_uv_delta = frame_header->diff_uv_delta, .base_q_idx = frame_header->base_q_idx, .DeltaQYDc = frame_header->delta_q_y_dc, .DeltaQUDc = frame_header->delta_q_u_dc, .DeltaQUAc = frame_header->delta_q_u_ac, .DeltaQVDc = frame_header->delta_q_v_dc, .DeltaQVAc = frame_header->delta_q_v_ac, .qm_y = frame_header->qm_y, .qm_u = frame_header->qm_u, .qm_v = frame_header->qm_v, }; ap->loop_filter = (StdVideoAV1LoopFilter) { .flags = (StdVideoAV1LoopFilterFlags) { .loop_filter_delta_enabled = frame_header->loop_filter_delta_enabled, .loop_filter_delta_update = frame_header->loop_filter_delta_update, }, .loop_filter_sharpness = frame_header->loop_filter_sharpness, }; for (int i = 0; i < STD_VIDEO_AV1_MAX_LOOP_FILTER_STRENGTHS; i++) ap->loop_filter.loop_filter_level[i] = frame_header->loop_filter_level[i]; for (int i = 0; i < STD_VIDEO_AV1_LOOP_FILTER_ADJUSTMENTS; i++) ap->loop_filter.loop_filter_mode_deltas[i] = frame_header->loop_filter_mode_deltas[i]; ap->cdef = (StdVideoAV1CDEF) { .cdef_damping_minus_3 = frame_header->cdef_damping_minus_3, .cdef_bits = frame_header->cdef_bits, }; ap->loop_restoration = (StdVideoAV1LoopRestoration) { .FrameRestorationType[0] = remap_lr_type[frame_header->lr_type[0]], .FrameRestorationType[1] = remap_lr_type[frame_header->lr_type[1]], .FrameRestorationType[2] = remap_lr_type[frame_header->lr_type[2]], .LoopRestorationSize[0] = 1 + frame_header->lr_unit_shift, .LoopRestorationSize[1] = 1 + frame_header->lr_unit_shift - frame_header->lr_uv_shift, .LoopRestorationSize[2] = 1 + frame_header->lr_unit_shift - frame_header->lr_uv_shift, }; ap->film_grain = (StdVideoAV1FilmGrain) { .flags = (StdVideoAV1FilmGrainFlags) { .chroma_scaling_from_luma = film_grain->chroma_scaling_from_luma, .overlap_flag = film_grain->overlap_flag, .clip_to_restricted_range = film_grain->clip_to_restricted_range, }, .grain_scaling_minus_8 = film_grain->grain_scaling_minus_8, .ar_coeff_lag = film_grain->ar_coeff_lag, .ar_coeff_shift_minus_6 = film_grain->ar_coeff_shift_minus_6, .grain_scale_shift = film_grain->grain_scale_shift, .grain_seed = film_grain->grain_seed, .film_grain_params_ref_idx = film_grain->film_grain_params_ref_idx, .num_y_points = film_grain->num_y_points, .num_cb_points = film_grain->num_cb_points, .num_cr_points = film_grain->num_cr_points, .cb_mult = film_grain->cb_mult, .cb_luma_mult = film_grain->cb_luma_mult, .cb_offset = film_grain->cb_offset, .cr_mult = film_grain->cr_mult, .cr_luma_mult = film_grain->cr_luma_mult, .cr_offset = film_grain->cr_offset, }; /* Setup frame header */ ap->std_pic_info = (StdVideoDecodeAV1PictureInfo) { .flags = (StdVideoDecodeAV1PictureInfoFlags) { .error_resilient_mode = frame_header->error_resilient_mode, .disable_cdf_update = frame_header->disable_cdf_update, .use_superres = frame_header->use_superres, .render_and_frame_size_different = frame_header->render_and_frame_size_different, .allow_screen_content_tools = frame_header->allow_screen_content_tools, .is_filter_switchable = frame_header->is_filter_switchable, .force_integer_mv = frame_header->force_integer_mv, .frame_size_override_flag = frame_header->frame_size_override_flag, .buffer_removal_time_present_flag = frame_header->buffer_removal_time_present_flag, .allow_intrabc = frame_header->allow_intrabc, .frame_refs_short_signaling = frame_header->frame_refs_short_signaling, .allow_high_precision_mv = frame_header->allow_high_precision_mv, .is_motion_mode_switchable = frame_header->is_motion_mode_switchable, .use_ref_frame_mvs = frame_header->use_ref_frame_mvs, .disable_frame_end_update_cdf = frame_header->disable_frame_end_update_cdf, .allow_warped_motion = frame_header->allow_warped_motion, .reduced_tx_set = frame_header->reduced_tx_set, .reference_select = frame_header->reference_select, .skip_mode_present = frame_header->skip_mode_present, .delta_q_present = frame_header->delta_q_present, .delta_lf_present = frame_header->delta_lf_present, .delta_lf_multi = frame_header->delta_lf_multi, .segmentation_enabled = frame_header->segmentation_enabled, .segmentation_update_map = frame_header->segmentation_update_map, .segmentation_temporal_update = frame_header->segmentation_temporal_update, .segmentation_update_data = frame_header->segmentation_update_data, .UsesLr = frame_header->lr_type[0] || frame_header->lr_type[1] || frame_header->lr_type[2], .apply_grain = apply_grain, }, .frame_type = frame_header->frame_type, .current_frame_id = frame_header->current_frame_id, .OrderHint = frame_header->order_hint, .primary_ref_frame = frame_header->primary_ref_frame, .refresh_frame_flags = frame_header->refresh_frame_flags, .interpolation_filter = frame_header->interpolation_filter, .TxMode = frame_header->tx_mode, .delta_q_res = frame_header->delta_q_res, .delta_lf_res = frame_header->delta_lf_res, .SkipModeFrame[0] = s->cur_frame.skip_mode_frame_idx[0], .SkipModeFrame[1] = s->cur_frame.skip_mode_frame_idx[1], .coded_denom = frame_header->coded_denom, .pTileInfo = &ap->tile_info, .pQuantization = &ap->quantization, .pSegmentation = &ap->segmentation, .pLoopFilter = &ap->loop_filter, .pCDEF = &ap->cdef, .pLoopRestoration = &ap->loop_restoration, .pGlobalMotion = &ap->global_motion, .pFilmGrain = apply_grain ? &ap->film_grain : NULL, }; for (int i = 0; i < 64; i++) { ap->width_in_sbs_minus1[i] = frame_header->width_in_sbs_minus_1[i]; ap->height_in_sbs_minus1[i] = frame_header->height_in_sbs_minus_1[i]; ap->mi_col_starts[i] = frame_header->tile_start_col_sb[i]; ap->mi_row_starts[i] = frame_header->tile_start_row_sb[i]; } for (int i = 0; i < STD_VIDEO_AV1_MAX_SEGMENTS; i++) { ap->segmentation.FeatureEnabled[i] = 0x0; for (int j = 0; j < STD_VIDEO_AV1_SEG_LVL_MAX; j++) { ap->segmentation.FeatureEnabled[i] |= (frame_header->feature_enabled[i][j] << j); ap->segmentation.FeatureData[i][j] = frame_header->feature_value[i][j]; } } for (int i = 0; i < STD_VIDEO_AV1_TOTAL_REFS_PER_FRAME; i++) { ap->std_pic_info.OrderHints[i] = pic->order_hints[i]; ap->loop_filter.loop_filter_ref_deltas[i] = frame_header->loop_filter_ref_deltas[i]; ap->global_motion.GmType[i] = s->cur_frame.gm_type[i]; for (int j = 0; j < STD_VIDEO_AV1_GLOBAL_MOTION_PARAMS; j++) { ap->global_motion.gm_params[i][j] = s->cur_frame.gm_params[i][j]; } } for (int i = 0; i < STD_VIDEO_AV1_MAX_CDEF_FILTER_STRENGTHS; i++) { ap->cdef.cdef_y_pri_strength[i] = frame_header->cdef_y_pri_strength[i]; ap->cdef.cdef_y_sec_strength[i] = frame_header->cdef_y_sec_strength[i]; ap->cdef.cdef_uv_pri_strength[i] = frame_header->cdef_uv_pri_strength[i]; ap->cdef.cdef_uv_sec_strength[i] = frame_header->cdef_uv_sec_strength[i]; } if (apply_grain) { for (int i = 0; i < STD_VIDEO_AV1_MAX_NUM_Y_POINTS; i++) { ap->film_grain.point_y_value[i] = film_grain->point_y_value[i]; ap->film_grain.point_y_scaling[i] = film_grain->point_y_scaling[i]; } for (int i = 0; i < STD_VIDEO_AV1_MAX_NUM_CB_POINTS; i++) { ap->film_grain.point_cb_value[i] = film_grain->point_cb_value[i]; ap->film_grain.point_cb_scaling[i] = film_grain->point_cb_scaling[i]; ap->film_grain.point_cr_value[i] = film_grain->point_cr_value[i]; ap->film_grain.point_cr_scaling[i] = film_grain->point_cr_scaling[i]; } for (int i = 0; i < STD_VIDEO_AV1_MAX_NUM_POS_LUMA; i++) ap->film_grain.ar_coeffs_y_plus_128[i] = film_grain->ar_coeffs_y_plus_128[i]; for (int i = 0; i < STD_VIDEO_AV1_MAX_NUM_POS_CHROMA; i++) { ap->film_grain.ar_coeffs_cb_plus_128[i] = film_grain->ar_coeffs_cb_plus_128[i]; ap->film_grain.ar_coeffs_cr_plus_128[i] = film_grain->ar_coeffs_cr_plus_128[i]; } } ap->dec = dec; return 0; } static int vk_av1_decode_slice(AVCodecContext *avctx, const uint8_t *data, uint32_t size) { int err; const AV1DecContext *s = avctx->priv_data; AV1VulkanDecodePicture *ap = s->cur_frame.hwaccel_picture_private; FFVulkanDecodePicture *vp = &ap->vp; /* Too many tiles, exceeding all defined levels in the AV1 spec */ if (ap->av1_pic_info.tileCount > MAX_TILES) return AVERROR(ENOSYS); for (int i = s->tg_start; i <= s->tg_end; i++) { ap->tile_sizes[ap->av1_pic_info.tileCount] = s->tile_group_info[i].tile_size; err = ff_vk_decode_add_slice(avctx, vp, data + s->tile_group_info[i].tile_offset, s->tile_group_info[i].tile_size, 0, &ap->av1_pic_info.tileCount, &ap->av1_pic_info.pTileOffsets); if (err < 0) return err; } return 0; } static int vk_av1_end_frame(AVCodecContext *avctx) { const AV1DecContext *s = avctx->priv_data; FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data; const AV1Frame *pic = &s->cur_frame; AV1VulkanDecodePicture *ap = pic->hwaccel_picture_private; FFVulkanDecodePicture *vp = &ap->vp; FFVulkanDecodePicture *rvp[AV1_NUM_REF_FRAMES] = { 0 }; AVFrame *rav[AV1_NUM_REF_FRAMES] = { 0 }; if (!ap->av1_pic_info.tileCount) return 0; if (!dec->session_params) { int err = vk_av1_create_params(avctx, &dec->session_params); if (err < 0) return err; } for (int i = 0; i < vp->decode_info.referenceSlotCount; i++) { const AV1Frame *rp = ap->ref_src[i]; AV1VulkanDecodePicture *rhp = rp->hwaccel_picture_private; rvp[i] = &rhp->vp; rav[i] = ap->ref_src[i]->f; } av_log(avctx, AV_LOG_VERBOSE, "Decoding frame, %"SIZE_SPECIFIER" bytes, %i tiles\n", vp->slices_size, ap->av1_pic_info.tileCount); return ff_vk_decode_frame(avctx, pic->f, vp, rav, rvp); } static void vk_av1_free_frame_priv(FFRefStructOpaque _hwctx, void *data) { AVHWDeviceContext *hwctx = _hwctx.nc; AV1VulkanDecodePicture *ap = data; /* Workaround for a spec issue. */ if (ap->frame_id_set) ap->dec->frame_id_alloc_mask &= ~(1 << ap->frame_id); /* Free frame resources, this also destroys the session parameters. */ ff_vk_decode_free_frame(hwctx, &ap->vp); } const FFHWAccel ff_av1_vulkan_hwaccel = { .p.name = "av1_vulkan", .p.type = AVMEDIA_TYPE_VIDEO, .p.id = AV_CODEC_ID_AV1, .p.pix_fmt = AV_PIX_FMT_VULKAN, .start_frame = &vk_av1_start_frame, .decode_slice = &vk_av1_decode_slice, .end_frame = &vk_av1_end_frame, .free_frame_priv = &vk_av1_free_frame_priv, .frame_priv_data_size = sizeof(AV1VulkanDecodePicture), .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), /* NOTE: Threading is intentionally disabled here. Due to the design of Vulkan, * where frames are opaque to users, and mostly opaque for driver developers, * there's an issue with current hardware accelerator implementations of AV1, * where they require an internal index. With regular hwaccel APIs, this index * is given to users as an opaque handle directly. With Vulkan, due to increased * flexibility, this index cannot be present anywhere. * The current implementation tracks the index for the driver and submits it * as necessary information. Due to needing to modify the decoding context, * which is not thread-safe, on frame free, threading is disabled. */ .caps_internal = HWACCEL_CAP_ASYNC_SAFE, };