1/* 2 * AV1 HW decode acceleration through VDPAU 3 * 4 * Copyright (c) 2022 Manoj Gupta Bonda 5 * 6 * This file is part of FFmpeg. 7 * 8 * FFmpeg is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public 10 * License as published by the Free Software Foundation; either 11 * version 2.1 of the License, or (at your option) any later version. 12 * 13 * FFmpeg is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with FFmpeg; if not, write to the Free Software Foundation, 20 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 */ 22 23#include <vdpau/vdpau.h> 24#include "libavutil/pixdesc.h" 25#include "avcodec.h" 26#include "internal.h" 27#include "av1dec.h" 28#include "hwconfig.h" 29#include "vdpau.h" 30#include "vdpau_internal.h" 31 32static int get_bit_depth_from_seq(const AV1RawSequenceHeader *seq) 33{ 34 if (seq->seq_profile == 2 && seq->color_config.high_bitdepth) { 35 return seq->color_config.twelve_bit ? 12 : 10; 36 } else if (seq->seq_profile <= 2 && seq->color_config.high_bitdepth) { 37 return 10; 38 } else { 39 return 8; 40 } 41} 42 43static int vdpau_av1_start_frame(AVCodecContext *avctx, 44 const uint8_t *buffer, uint32_t size) 45{ 46 AV1DecContext *s = avctx->priv_data; 47 const AV1RawSequenceHeader *seq = s->raw_seq; 48 const AV1RawFrameHeader *frame_header = s->raw_frame_header; 49 const AV1RawFilmGrainParams *film_grain = &s->cur_frame.film_grain; 50 51 struct vdpau_picture_context *pic_ctx = s->cur_frame.hwaccel_picture_private; 52 int i,j; 53 54 unsigned char remap_lr_type[4] = { AV1_RESTORE_NONE, AV1_RESTORE_SWITCHABLE, AV1_RESTORE_WIENER, AV1_RESTORE_SGRPROJ }; 55 56 57 VdpPictureInfoAV1 *info = &pic_ctx->info.av1; 58 const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(avctx->sw_pix_fmt); 59 if (!pixdesc) { 60 return AV_PIX_FMT_NONE; 61 } 62 63 info->width = avctx->width; 64 info->height = avctx->height; 65 66 67 info->frame_offset = frame_header->order_hint; 68 69 /* Sequence Header */ 70 info->profile = seq->seq_profile; 71 info->use_128x128_superblock = seq->use_128x128_superblock; 72 info->subsampling_x = seq->color_config.subsampling_x; 73 info->subsampling_y = seq->color_config.subsampling_y; 74 info->mono_chrome = seq->color_config.mono_chrome; 75 info->bit_depth_minus8 = get_bit_depth_from_seq(seq) - 8; 76 info->enable_filter_intra = seq->enable_filter_intra; 77 info->enable_intra_edge_filter = seq->enable_intra_edge_filter; 78 info->enable_interintra_compound = seq->enable_interintra_compound; 79 info->enable_masked_compound = seq->enable_masked_compound; 80 info->enable_dual_filter = seq->enable_dual_filter; 81 info->enable_order_hint = seq->enable_order_hint; 82 info->order_hint_bits_minus1 = seq->order_hint_bits_minus_1; 83 info->enable_jnt_comp = seq->enable_jnt_comp; 84 info->enable_superres = seq->enable_superres; 85 info->enable_cdef = seq->enable_cdef; 86 info->enable_restoration = seq->enable_restoration; 87 info->enable_fgs = seq->film_grain_params_present; 88 89 /* Frame Header */ 90 info->frame_type = frame_header->frame_type; 91 info->show_frame = frame_header->show_frame; 92 info->disable_cdf_update = frame_header->disable_cdf_update; 93 info->allow_screen_content_tools = frame_header->allow_screen_content_tools; 94 info->force_integer_mv = frame_header->force_integer_mv || 95 frame_header->frame_type == AV1_FRAME_INTRA_ONLY || 96 frame_header->frame_type == AV1_FRAME_KEY; 97 info->coded_denom = frame_header->coded_denom; 98 info->allow_intrabc = frame_header->allow_intrabc; 99 info->allow_high_precision_mv = frame_header->allow_high_precision_mv; 100 info->interp_filter = frame_header->interpolation_filter; 101 info->switchable_motion_mode = frame_header->is_motion_mode_switchable; 102 info->use_ref_frame_mvs = frame_header->use_ref_frame_mvs; 103 info->disable_frame_end_update_cdf = frame_header->disable_frame_end_update_cdf; 104 info->delta_q_present = frame_header->delta_q_present; 105 info->delta_q_res = frame_header->delta_q_res; 106 info->using_qmatrix = frame_header->using_qmatrix; 107 info->coded_lossless = s->cur_frame.coded_lossless; 108 info->use_superres = frame_header->use_superres; 109 info->tx_mode = frame_header->tx_mode; 110 info->reference_mode = frame_header->reference_select; 111 info->allow_warped_motion = frame_header->allow_warped_motion; 112 info->reduced_tx_set = frame_header->reduced_tx_set; 113 info->skip_mode = frame_header->skip_mode_present; 114 115 /* Tiling Info */ 116 info->num_tile_cols = frame_header->tile_cols; 117 info->num_tile_rows = frame_header->tile_rows; 118 info->context_update_tile_id = frame_header->context_update_tile_id; 119 120 /* CDEF */ 121 info->cdef_damping_minus_3 = frame_header->cdef_damping_minus_3; 122 info->cdef_bits = frame_header->cdef_bits; 123 124 /* SkipModeFrames */ 125 info->SkipModeFrame0 = frame_header->skip_mode_present ? 126 s->cur_frame.skip_mode_frame_idx[0] : 0; 127 info->SkipModeFrame1 = frame_header->skip_mode_present ? 128 s->cur_frame.skip_mode_frame_idx[1] : 0; 129 130 /* QP Information */ 131 info->base_qindex = frame_header->base_q_idx; 132 info->qp_y_dc_delta_q = frame_header->delta_q_y_dc; 133 info->qp_u_dc_delta_q = frame_header->delta_q_u_dc; 134 info->qp_v_dc_delta_q = frame_header->delta_q_v_dc; 135 info->qp_u_ac_delta_q = frame_header->delta_q_u_ac; 136 info->qp_v_ac_delta_q = frame_header->delta_q_v_ac; 137 info->qm_y = frame_header->qm_y; 138 info->qm_u = frame_header->qm_u; 139 info->qm_v = frame_header->qm_v; 140 141 /* Segmentation */ 142 info->segmentation_enabled = frame_header->segmentation_enabled; 143 info->segmentation_update_map = frame_header->segmentation_update_map; 144 info->segmentation_update_data = frame_header->segmentation_update_data; 145 info->segmentation_temporal_update = frame_header->segmentation_temporal_update; 146 147 /* Loopfilter */ 148 info->loop_filter_level[0] = frame_header->loop_filter_level[0]; 149 info->loop_filter_level[1] = frame_header->loop_filter_level[1]; 150 info->loop_filter_level_u = frame_header->loop_filter_level[2]; 151 info->loop_filter_level_v = frame_header->loop_filter_level[3]; 152 info->loop_filter_sharpness = frame_header->loop_filter_sharpness; 153 info->loop_filter_delta_enabled = frame_header->loop_filter_delta_enabled; 154 info->loop_filter_delta_update = frame_header->loop_filter_delta_update; 155 info->loop_filter_mode_deltas[0] = frame_header->loop_filter_mode_deltas[0]; 156 info->loop_filter_mode_deltas[1] = frame_header->loop_filter_mode_deltas[1]; 157 info->delta_lf_present = frame_header->delta_lf_present; 158 info->delta_lf_res = frame_header->delta_lf_res; 159 info->delta_lf_multi = frame_header->delta_lf_multi; 160 161 /* Restoration */ 162 info->lr_type[0] = remap_lr_type[frame_header->lr_type[0]]; 163 info->lr_type[1] = remap_lr_type[frame_header->lr_type[1]]; 164 info->lr_type[2] = remap_lr_type[frame_header->lr_type[2]]; 165 info->lr_unit_size[0] = 1 + frame_header->lr_unit_shift; 166 info->lr_unit_size[1] = 1 + frame_header->lr_unit_shift - frame_header->lr_uv_shift; 167 info->lr_unit_size[2] = 1 + frame_header->lr_unit_shift - frame_header->lr_uv_shift; 168 169 /* Reference Frames */ 170 info->temporal_layer_id = s->cur_frame.temporal_id; 171 info->spatial_layer_id = s->cur_frame.spatial_id; 172 173 /* Film Grain Params */ 174 info->apply_grain = film_grain->apply_grain; 175 info->overlap_flag = film_grain->overlap_flag; 176 info->scaling_shift_minus8 = film_grain->grain_scaling_minus_8; 177 info->chroma_scaling_from_luma = film_grain->chroma_scaling_from_luma; 178 info->ar_coeff_lag = film_grain->ar_coeff_lag; 179 info->ar_coeff_shift_minus6 = film_grain->ar_coeff_shift_minus_6; 180 info->grain_scale_shift = film_grain->grain_scale_shift; 181 info->clip_to_restricted_range = film_grain->clip_to_restricted_range; 182 info->num_y_points = film_grain->num_y_points; 183 info->num_cb_points = film_grain->num_cb_points; 184 info->num_cr_points = film_grain->num_cr_points; 185 info->random_seed = film_grain->grain_seed; 186 info->cb_mult = film_grain->cb_mult; 187 info->cb_luma_mult = film_grain->cb_luma_mult; 188 info->cb_offset = film_grain->cb_offset; 189 info->cr_mult = film_grain->cr_mult; 190 info->cr_luma_mult = film_grain->cr_luma_mult; 191 info->cr_offset = film_grain->cr_offset; 192 193 /* Tiling Info */ 194 for (i = 0; i < frame_header->tile_cols; ++i) { 195 info->tile_widths[i] = frame_header->width_in_sbs_minus_1[i] + 1; 196 } 197 for (i = 0; i < frame_header->tile_rows; ++i) { 198 info->tile_heights[i] = frame_header->height_in_sbs_minus_1[i] + 1; 199 } 200 201 /* CDEF */ 202 for (i = 0; i < (1 << frame_header->cdef_bits); ++i) { 203 info->cdef_y_strength[i] = (frame_header->cdef_y_pri_strength[i] & 0x0F) | (frame_header->cdef_y_sec_strength[i] << 4); 204 info->cdef_uv_strength[i] = (frame_header->cdef_uv_pri_strength[i] & 0x0F) | (frame_header->cdef_uv_sec_strength[i] << 4); 205 } 206 207 208 /* Segmentation */ 209 for (i = 0; i < AV1_MAX_SEGMENTS; ++i) { 210 info->segmentation_feature_mask[i] = 0; 211 for (j = 0; j < AV1_SEG_LVL_MAX; ++j) { 212 info->segmentation_feature_mask[i] |= frame_header->feature_enabled[i][j] << j; 213 info->segmentation_feature_data[i][j] = frame_header->feature_value[i][j]; 214 } 215 } 216 217 for (i = 0; i < AV1_NUM_REF_FRAMES; ++i) { 218 /* Loopfilter */ 219 info->loop_filter_ref_deltas[i] = frame_header->loop_filter_ref_deltas[i]; 220 221 /* Reference Frames */ 222 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; 223 } 224 225 if (frame_header->primary_ref_frame == AV1_PRIMARY_REF_NONE) { 226 info->primary_ref_frame = -1; 227 } else { 228 int8_t pri_ref_idx = frame_header->ref_frame_idx[frame_header->primary_ref_frame]; 229 info->primary_ref_frame = info->ref_frame_map[pri_ref_idx]; 230 } 231 232 for (i = 0; i < AV1_REFS_PER_FRAME; ++i) { 233 /* Ref Frame List */ 234 int8_t ref_idx = frame_header->ref_frame_idx[i]; 235 AVFrame *ref_frame = s->ref[ref_idx].f; 236 237 info->ref_frame[i].index = info->ref_frame_map[ref_idx]; 238 info->ref_frame[i].width = ref_frame->width; 239 info->ref_frame[i].height = ref_frame->height; 240 241 /* Global Motion */ 242 info->global_motion[i].invalid = !frame_header->is_global[AV1_REF_FRAME_LAST + i]; 243 info->global_motion[i].wmtype = s->cur_frame.gm_type[AV1_REF_FRAME_LAST + i]; 244 for (j = 0; j < 6; ++j) { 245 info->global_motion[i].wmmat[j] = s->cur_frame.gm_params[AV1_REF_FRAME_LAST + i][j]; 246 } 247 } 248 249 /* Film Grain Params */ 250 if (film_grain->apply_grain) { 251 for (i = 0; i < 14; ++i) { 252 info->scaling_points_y[i][0] = film_grain->point_y_value[i]; 253 info->scaling_points_y[i][1] = film_grain->point_y_scaling[i]; 254 } 255 for (i = 0; i < 10; ++i) { 256 info->scaling_points_cb[i][0] = film_grain->point_cb_value[i]; 257 info->scaling_points_cb[i][1] = film_grain->point_cb_scaling[i]; 258 info->scaling_points_cr[i][0] = film_grain->point_cr_value[i]; 259 info->scaling_points_cr[i][1] = film_grain->point_cr_scaling[i]; 260 } 261 for (i = 0; i < 24; ++i) { 262 info->ar_coeffs_y[i] = (short)film_grain->ar_coeffs_y_plus_128[i] - 128; 263 } 264 for (i = 0; i < 25; ++i) { 265 info->ar_coeffs_cb[i] = (short)film_grain->ar_coeffs_cb_plus_128[i] - 128; 266 info->ar_coeffs_cr[i] = (short)film_grain->ar_coeffs_cr_plus_128[i] - 128; 267 } 268 } 269 270 271 return ff_vdpau_common_start_frame(pic_ctx, buffer, size); 272 273} 274 275static int vdpau_av1_decode_slice(AVCodecContext *avctx, 276 const uint8_t *buffer, uint32_t size) 277{ 278 const AV1DecContext *s = avctx->priv_data; 279 const AV1RawFrameHeader *frame_header = s->raw_frame_header; 280 struct vdpau_picture_context *pic_ctx = s->cur_frame.hwaccel_picture_private; 281 VdpPictureInfoAV1 *info = &pic_ctx->info.av1; 282 int val; 283 int nb_slices; 284 VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers; 285 int bitstream_len = 0; 286 287 nb_slices = frame_header->tile_cols * frame_header->tile_rows; 288 /* Shortcut if all tiles are in the same buffer*/ 289 if (nb_slices == s->tg_end - s->tg_start + 1) { 290 for (int i = 0; i < nb_slices; ++i) { 291 info->tile_info[i*2 ] = s->tile_group_info[i].tile_offset; 292 info->tile_info[i*2 + 1] = info->tile_info[i*2] + s->tile_group_info[i].tile_size; 293 } 294 val = ff_vdpau_add_buffer(pic_ctx, buffer, size); 295 if (val) { 296 return val; 297 } 298 299 return 0; 300 } 301 302 for(int i = 0; i < pic_ctx->bitstream_buffers_used; i++) { 303 bitstream_len += buffers->bitstream_bytes; 304 buffers++; 305 } 306 307 for (uint32_t tile_num = s->tg_start; tile_num <= s->tg_end; ++tile_num) { 308 info->tile_info[tile_num*2 ] = bitstream_len + s->tile_group_info[tile_num].tile_offset; 309 info->tile_info[tile_num*2 + 1] = info->tile_info[tile_num*2] + s->tile_group_info[tile_num].tile_size; 310 } 311 312 val = ff_vdpau_add_buffer(pic_ctx, buffer, size); 313 if (val) { 314 return val; 315 } 316 317 return 0; 318} 319 320static int vdpau_av1_end_frame(AVCodecContext *avctx) 321{ 322 const AV1DecContext *s = avctx->priv_data; 323 struct vdpau_picture_context *pic_ctx = s->cur_frame.hwaccel_picture_private; 324 325 int val; 326 327 val = ff_vdpau_common_end_frame(avctx, s->cur_frame.f, pic_ctx); 328 if (val < 0) 329 return val; 330 331 return 0; 332} 333 334static int vdpau_av1_init(AVCodecContext *avctx) 335{ 336 VdpDecoderProfile profile; 337 uint32_t level = avctx->level; 338 339 switch (avctx->profile) { 340 case FF_PROFILE_AV1_MAIN: 341 profile = VDP_DECODER_PROFILE_AV1_MAIN; 342 break; 343 case FF_PROFILE_AV1_HIGH: 344 profile = VDP_DECODER_PROFILE_AV1_HIGH; 345 break; 346 case FF_PROFILE_AV1_PROFESSIONAL: 347 profile = VDP_DECODER_PROFILE_AV1_PROFESSIONAL; 348 break; 349 default: 350 return AVERROR(ENOTSUP); 351 } 352 353 return ff_vdpau_common_init(avctx, profile, level); 354} 355 356const AVHWAccel ff_av1_vdpau_hwaccel = { 357 .name = "av1_vdpau", 358 .type = AVMEDIA_TYPE_VIDEO, 359 .id = AV_CODEC_ID_AV1, 360 .pix_fmt = AV_PIX_FMT_VDPAU, 361 .start_frame = vdpau_av1_start_frame, 362 .end_frame = vdpau_av1_end_frame, 363 .decode_slice = vdpau_av1_decode_slice, 364 .frame_priv_data_size = sizeof(struct vdpau_picture_context), 365 .init = vdpau_av1_init, 366 .uninit = ff_vdpau_common_uninit, 367 .frame_params = ff_vdpau_common_frame_params, 368 .priv_data_size = sizeof(VDPAUContext), 369 .caps_internal = HWACCEL_CAP_ASYNC_SAFE, 370}; 371