/* * AV1 HW decode acceleration through VDPAU * * Copyright (c) 2022 Manoj Gupta Bonda * * 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 #include "libavutil/pixdesc.h" #include "avcodec.h" #include "internal.h" #include "av1dec.h" #include "hwaccel_internal.h" #include "vdpau.h" #include "vdpau_internal.h" static int get_bit_depth_from_seq(const AV1RawSequenceHeader *seq) { if (seq->seq_profile == 2 && seq->color_config.high_bitdepth) { return seq->color_config.twelve_bit ? 12 : 10; } else if (seq->seq_profile <= 2 && seq->color_config.high_bitdepth) { return 10; } else { return 8; } } static int vdpau_av1_start_frame(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size) { AV1DecContext *s = avctx->priv_data; const AV1RawSequenceHeader *seq = s->raw_seq; const AV1RawFrameHeader *frame_header = s->raw_frame_header; const AV1RawFilmGrainParams *film_grain = &s->cur_frame.film_grain; struct vdpau_picture_context *pic_ctx = s->cur_frame.hwaccel_picture_private; int i,j; unsigned char remap_lr_type[4] = { AV1_RESTORE_NONE, AV1_RESTORE_SWITCHABLE, AV1_RESTORE_WIENER, AV1_RESTORE_SGRPROJ }; VdpPictureInfoAV1 *info = &pic_ctx->info.av1; const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(avctx->sw_pix_fmt); if (!pixdesc) { return AV_PIX_FMT_NONE; } info->width = avctx->width; info->height = avctx->height; info->frame_offset = frame_header->order_hint; /* Sequence Header */ info->profile = seq->seq_profile; info->use_128x128_superblock = seq->use_128x128_superblock; info->subsampling_x = seq->color_config.subsampling_x; info->subsampling_y = seq->color_config.subsampling_y; info->mono_chrome = seq->color_config.mono_chrome; info->bit_depth_minus8 = get_bit_depth_from_seq(seq) - 8; info->enable_filter_intra = seq->enable_filter_intra; info->enable_intra_edge_filter = seq->enable_intra_edge_filter; info->enable_interintra_compound = seq->enable_interintra_compound; info->enable_masked_compound = seq->enable_masked_compound; info->enable_dual_filter = seq->enable_dual_filter; info->enable_order_hint = seq->enable_order_hint; info->order_hint_bits_minus1 = seq->order_hint_bits_minus_1; info->enable_jnt_comp = seq->enable_jnt_comp; info->enable_superres = seq->enable_superres; info->enable_cdef = seq->enable_cdef; info->enable_restoration = seq->enable_restoration; info->enable_fgs = seq->film_grain_params_present; /* Frame Header */ info->frame_type = frame_header->frame_type; info->show_frame = frame_header->show_frame; info->disable_cdf_update = frame_header->disable_cdf_update; info->allow_screen_content_tools = frame_header->allow_screen_content_tools; info->force_integer_mv = frame_header->force_integer_mv || frame_header->frame_type == AV1_FRAME_INTRA_ONLY || frame_header->frame_type == AV1_FRAME_KEY; info->coded_denom = frame_header->coded_denom; info->allow_intrabc = frame_header->allow_intrabc; info->allow_high_precision_mv = frame_header->allow_high_precision_mv; info->interp_filter = frame_header->interpolation_filter; info->switchable_motion_mode = frame_header->is_motion_mode_switchable; info->use_ref_frame_mvs = frame_header->use_ref_frame_mvs; info->disable_frame_end_update_cdf = frame_header->disable_frame_end_update_cdf; info->delta_q_present = frame_header->delta_q_present; info->delta_q_res = frame_header->delta_q_res; info->using_qmatrix = frame_header->using_qmatrix; info->coded_lossless = s->cur_frame.coded_lossless; info->use_superres = frame_header->use_superres; info->tx_mode = frame_header->tx_mode; info->reference_mode = frame_header->reference_select; info->allow_warped_motion = frame_header->allow_warped_motion; info->reduced_tx_set = frame_header->reduced_tx_set; info->skip_mode = frame_header->skip_mode_present; /* Tiling Info */ info->num_tile_cols = frame_header->tile_cols; info->num_tile_rows = frame_header->tile_rows; info->context_update_tile_id = frame_header->context_update_tile_id; /* CDEF */ info->cdef_damping_minus_3 = frame_header->cdef_damping_minus_3; info->cdef_bits = frame_header->cdef_bits; /* SkipModeFrames */ info->SkipModeFrame0 = frame_header->skip_mode_present ? s->cur_frame.skip_mode_frame_idx[0] : 0; info->SkipModeFrame1 = frame_header->skip_mode_present ? s->cur_frame.skip_mode_frame_idx[1] : 0; /* QP Information */ info->base_qindex = frame_header->base_q_idx; info->qp_y_dc_delta_q = frame_header->delta_q_y_dc; info->qp_u_dc_delta_q = frame_header->delta_q_u_dc; info->qp_v_dc_delta_q = frame_header->delta_q_v_dc; info->qp_u_ac_delta_q = frame_header->delta_q_u_ac; info->qp_v_ac_delta_q = frame_header->delta_q_v_ac; info->qm_y = frame_header->qm_y; info->qm_u = frame_header->qm_u; info->qm_v = frame_header->qm_v; /* Segmentation */ info->segmentation_enabled = frame_header->segmentation_enabled; info->segmentation_update_map = frame_header->segmentation_update_map; info->segmentation_update_data = frame_header->segmentation_update_data; info->segmentation_temporal_update = frame_header->segmentation_temporal_update; /* Loopfilter */ info->loop_filter_level[0] = frame_header->loop_filter_level[0]; info->loop_filter_level[1] = frame_header->loop_filter_level[1]; info->loop_filter_level_u = frame_header->loop_filter_level[2]; info->loop_filter_level_v = frame_header->loop_filter_level[3]; info->loop_filter_sharpness = frame_header->loop_filter_sharpness; info->loop_filter_delta_enabled = frame_header->loop_filter_delta_enabled; info->loop_filter_delta_update = frame_header->loop_filter_delta_update; info->loop_filter_mode_deltas[0] = frame_header->loop_filter_mode_deltas[0]; info->loop_filter_mode_deltas[1] = frame_header->loop_filter_mode_deltas[1]; info->delta_lf_present = frame_header->delta_lf_present; info->delta_lf_res = frame_header->delta_lf_res; info->delta_lf_multi = frame_header->delta_lf_multi; /* Restoration */ info->lr_type[0] = remap_lr_type[frame_header->lr_type[0]]; info->lr_type[1] = remap_lr_type[frame_header->lr_type[1]]; info->lr_type[2] = remap_lr_type[frame_header->lr_type[2]]; info->lr_unit_size[0] = 1 + frame_header->lr_unit_shift; info->lr_unit_size[1] = 1 + frame_header->lr_unit_shift - frame_header->lr_uv_shift; info->lr_unit_size[2] = 1 + frame_header->lr_unit_shift - frame_header->lr_uv_shift; /* Reference Frames */ info->temporal_layer_id = s->cur_frame.temporal_id; info->spatial_layer_id = s->cur_frame.spatial_id; /* Film Grain Params */ info->apply_grain = film_grain->apply_grain; info->overlap_flag = film_grain->overlap_flag; info->scaling_shift_minus8 = film_grain->grain_scaling_minus_8; info->chroma_scaling_from_luma = film_grain->chroma_scaling_from_luma; info->ar_coeff_lag = film_grain->ar_coeff_lag; info->ar_coeff_shift_minus6 = film_grain->ar_coeff_shift_minus_6; info->grain_scale_shift = film_grain->grain_scale_shift; info->clip_to_restricted_range = film_grain->clip_to_restricted_range; info->num_y_points = film_grain->num_y_points; info->num_cb_points = film_grain->num_cb_points; info->num_cr_points = film_grain->num_cr_points; info->random_seed = film_grain->grain_seed; info->cb_mult = film_grain->cb_mult; info->cb_luma_mult = film_grain->cb_luma_mult; info->cb_offset = film_grain->cb_offset; info->cr_mult = film_grain->cr_mult; info->cr_luma_mult = film_grain->cr_luma_mult; info->cr_offset = film_grain->cr_offset; /* Tiling Info */ for (i = 0; i < frame_header->tile_cols; ++i) { info->tile_widths[i] = frame_header->width_in_sbs_minus_1[i] + 1; } for (i = 0; i < frame_header->tile_rows; ++i) { info->tile_heights[i] = frame_header->height_in_sbs_minus_1[i] + 1; } /* CDEF */ for (i = 0; i < (1 << frame_header->cdef_bits); ++i) { info->cdef_y_strength[i] = (frame_header->cdef_y_pri_strength[i] & 0x0F) | (frame_header->cdef_y_sec_strength[i] << 4); info->cdef_uv_strength[i] = (frame_header->cdef_uv_pri_strength[i] & 0x0F) | (frame_header->cdef_uv_sec_strength[i] << 4); } /* Segmentation */ for (i = 0; i < AV1_MAX_SEGMENTS; ++i) { info->segmentation_feature_mask[i] = 0; for (j = 0; j < AV1_SEG_LVL_MAX; ++j) { info->segmentation_feature_mask[i] |= frame_header->feature_enabled[i][j] << j; info->segmentation_feature_data[i][j] = frame_header->feature_value[i][j]; } } for (i = 0; i < AV1_NUM_REF_FRAMES; ++i) { /* Loopfilter */ info->loop_filter_ref_deltas[i] = frame_header->loop_filter_ref_deltas[i]; /* Reference Frames */ info->ref_frame_map[i] = ff_vdpau_get_surface_id(s->ref[i].f) ? ff_vdpau_get_surface_id(s->ref[i].f) : VDP_INVALID_HANDLE; } if (frame_header->primary_ref_frame == AV1_PRIMARY_REF_NONE) { info->primary_ref_frame = -1; } else { int8_t pri_ref_idx = frame_header->ref_frame_idx[frame_header->primary_ref_frame]; info->primary_ref_frame = info->ref_frame_map[pri_ref_idx]; } for (i = 0; i < AV1_REFS_PER_FRAME; ++i) { /* Ref Frame List */ int8_t ref_idx = frame_header->ref_frame_idx[i]; AVFrame *ref_frame = s->ref[ref_idx].f; info->ref_frame[i].index = info->ref_frame_map[ref_idx]; info->ref_frame[i].width = ref_frame->width; info->ref_frame[i].height = ref_frame->height; /* Global Motion */ info->global_motion[i].invalid = !frame_header->is_global[AV1_REF_FRAME_LAST + i]; info->global_motion[i].wmtype = s->cur_frame.gm_type[AV1_REF_FRAME_LAST + i]; for (j = 0; j < 6; ++j) { info->global_motion[i].wmmat[j] = s->cur_frame.gm_params[AV1_REF_FRAME_LAST + i][j]; } } /* Film Grain Params */ if (film_grain->apply_grain) { for (i = 0; i < 14; ++i) { info->scaling_points_y[i][0] = film_grain->point_y_value[i]; info->scaling_points_y[i][1] = film_grain->point_y_scaling[i]; } for (i = 0; i < 10; ++i) { info->scaling_points_cb[i][0] = film_grain->point_cb_value[i]; info->scaling_points_cb[i][1] = film_grain->point_cb_scaling[i]; info->scaling_points_cr[i][0] = film_grain->point_cr_value[i]; info->scaling_points_cr[i][1] = film_grain->point_cr_scaling[i]; } for (i = 0; i < 24; ++i) { info->ar_coeffs_y[i] = (short)film_grain->ar_coeffs_y_plus_128[i] - 128; } for (i = 0; i < 25; ++i) { info->ar_coeffs_cb[i] = (short)film_grain->ar_coeffs_cb_plus_128[i] - 128; info->ar_coeffs_cr[i] = (short)film_grain->ar_coeffs_cr_plus_128[i] - 128; } } return ff_vdpau_common_start_frame(pic_ctx, buffer, size); } static int vdpau_av1_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size) { const AV1DecContext *s = avctx->priv_data; const AV1RawFrameHeader *frame_header = s->raw_frame_header; struct vdpau_picture_context *pic_ctx = s->cur_frame.hwaccel_picture_private; VdpPictureInfoAV1 *info = &pic_ctx->info.av1; int val; int nb_slices; VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers; int bitstream_len = 0; nb_slices = frame_header->tile_cols * frame_header->tile_rows; /* Shortcut if all tiles are in the same buffer*/ if (nb_slices == s->tg_end - s->tg_start + 1) { for (int i = 0; i < nb_slices; ++i) { info->tile_info[i*2 ] = s->tile_group_info[i].tile_offset; info->tile_info[i*2 + 1] = info->tile_info[i*2] + s->tile_group_info[i].tile_size; } val = ff_vdpau_add_buffer(pic_ctx, buffer, size); if (val) { return val; } return 0; } for(int i = 0; i < pic_ctx->bitstream_buffers_used; i++) { bitstream_len += buffers->bitstream_bytes; buffers++; } for (uint32_t tile_num = s->tg_start; tile_num <= s->tg_end; ++tile_num) { info->tile_info[tile_num*2 ] = bitstream_len + s->tile_group_info[tile_num].tile_offset; info->tile_info[tile_num*2 + 1] = info->tile_info[tile_num*2] + s->tile_group_info[tile_num].tile_size; } val = ff_vdpau_add_buffer(pic_ctx, buffer, size); if (val) { return val; } return 0; } static int vdpau_av1_end_frame(AVCodecContext *avctx) { const AV1DecContext *s = avctx->priv_data; struct vdpau_picture_context *pic_ctx = s->cur_frame.hwaccel_picture_private; int val; val = ff_vdpau_common_end_frame(avctx, s->cur_frame.f, pic_ctx); if (val < 0) return val; return 0; } static int vdpau_av1_init(AVCodecContext *avctx) { VdpDecoderProfile profile; uint32_t level = avctx->level; switch (avctx->profile) { case FF_PROFILE_AV1_MAIN: profile = VDP_DECODER_PROFILE_AV1_MAIN; break; case FF_PROFILE_AV1_HIGH: profile = VDP_DECODER_PROFILE_AV1_HIGH; break; case FF_PROFILE_AV1_PROFESSIONAL: profile = VDP_DECODER_PROFILE_AV1_PROFESSIONAL; break; default: return AVERROR(ENOTSUP); } return ff_vdpau_common_init(avctx, profile, level); } const FFHWAccel ff_av1_vdpau_hwaccel = { .p.name = "av1_vdpau", .p.type = AVMEDIA_TYPE_VIDEO, .p.id = AV_CODEC_ID_AV1, .p.pix_fmt = AV_PIX_FMT_VDPAU, .start_frame = vdpau_av1_start_frame, .end_frame = vdpau_av1_end_frame, .decode_slice = vdpau_av1_decode_slice, .frame_priv_data_size = sizeof(struct vdpau_picture_context), .init = vdpau_av1_init, .uninit = ff_vdpau_common_uninit, .frame_params = ff_vdpau_common_frame_params, .priv_data_size = sizeof(VDPAUContext), .caps_internal = HWACCEL_CAP_ASYNC_SAFE, };