| /* |
| * AV1 HW decode acceleration through VA API |
| * |
| * 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/pixdesc.h" |
| #include "hwconfig.h" |
| #include "vaapi_decode.h" |
| #include "av1dec.h" |
| |
| static VASurfaceID vaapi_av1_surface_id(AV1Frame *vf) |
| { |
| if (vf) |
| return ff_vaapi_get_surface_id(vf->tf.f); |
| else |
| return VA_INVALID_SURFACE; |
| } |
| |
| static int8_t vaapi_av1_get_bit_depth_idx(AVCodecContext *avctx) |
| { |
| AV1DecContext *s = avctx->priv_data; |
| const AV1RawSequenceHeader *seq = s->raw_seq; |
| int8_t bit_depth = 8; |
| |
| if (seq->seq_profile == 2 && seq->color_config.high_bitdepth) |
| bit_depth = seq->color_config.twelve_bit ? 12 : 10; |
| else if (seq->seq_profile <= 2) |
| bit_depth = seq->color_config.high_bitdepth ? 10 : 8; |
| else { |
| av_log(avctx, AV_LOG_ERROR, |
| "Couldn't get bit depth from profile:%d.\n", seq->seq_profile); |
| return -1; |
| } |
| return bit_depth == 8 ? 0 : bit_depth == 10 ? 1 : 2; |
| } |
| |
| static int vaapi_av1_start_frame(AVCodecContext *avctx, |
| av_unused const uint8_t *buffer, |
| av_unused 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; |
| VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private; |
| VADecPictureParameterBufferAV1 pic_param; |
| int8_t bit_depth_idx; |
| int err = 0; |
| int apply_grain = !(avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN) && film_grain->apply_grain; |
| uint8_t remap_lr_type[4] = {AV1_RESTORE_NONE, AV1_RESTORE_SWITCHABLE, AV1_RESTORE_WIENER, AV1_RESTORE_SGRPROJ}; |
| |
| pic->output_surface = vaapi_av1_surface_id(&s->cur_frame); |
| |
| bit_depth_idx = vaapi_av1_get_bit_depth_idx(avctx); |
| if (bit_depth_idx < 0) |
| goto fail; |
| |
| memset(&pic_param, 0, sizeof(VADecPictureParameterBufferAV1)); |
| pic_param = (VADecPictureParameterBufferAV1) { |
| .profile = seq->seq_profile, |
| .order_hint_bits_minus_1 = seq->order_hint_bits_minus_1, |
| .bit_depth_idx = bit_depth_idx, |
| .current_frame = pic->output_surface, |
| .current_display_picture = pic->output_surface, |
| .frame_width_minus1 = frame_header->frame_width_minus_1, |
| .frame_height_minus1 = frame_header->frame_height_minus_1, |
| .primary_ref_frame = frame_header->primary_ref_frame, |
| .order_hint = frame_header->order_hint, |
| .tile_cols = frame_header->tile_cols, |
| .tile_rows = frame_header->tile_rows, |
| .context_update_tile_id = frame_header->context_update_tile_id, |
| .interp_filter = frame_header->interpolation_filter, |
| .filter_level[0] = frame_header->loop_filter_level[0], |
| .filter_level[1] = frame_header->loop_filter_level[1], |
| .filter_level_u = frame_header->loop_filter_level[2], |
| .filter_level_v = frame_header->loop_filter_level[3], |
| .base_qindex = frame_header->base_q_idx, |
| .cdef_damping_minus_3 = frame_header->cdef_damping_minus_3, |
| .cdef_bits = frame_header->cdef_bits, |
| .seq_info_fields.fields = { |
| .still_picture = seq->still_picture, |
| .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_dual_filter = seq->enable_dual_filter, |
| .enable_order_hint = seq->enable_order_hint, |
| .enable_jnt_comp = seq->enable_jnt_comp, |
| .enable_cdef = seq->enable_cdef, |
| .mono_chrome = seq->color_config.mono_chrome, |
| .color_range = seq->color_config.color_range, |
| .subsampling_x = seq->color_config.subsampling_x, |
| .subsampling_y = seq->color_config.subsampling_y, |
| .chroma_sample_position = seq->color_config.chroma_sample_position, |
| .film_grain_params_present = seq->film_grain_params_present && |
| !(avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN), |
| }, |
| .seg_info.segment_info_fields.bits = { |
| .enabled = frame_header->segmentation_enabled, |
| .update_map = frame_header->segmentation_update_map, |
| .temporal_update = frame_header->segmentation_temporal_update, |
| .update_data = frame_header->segmentation_update_data, |
| }, |
| .film_grain_info = { |
| .film_grain_info_fields.bits = { |
| .apply_grain = apply_grain, |
| .chroma_scaling_from_luma = film_grain->chroma_scaling_from_luma, |
| .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, |
| .overlap_flag = film_grain->overlap_flag, |
| .clip_to_restricted_range = film_grain->clip_to_restricted_range, |
| }, |
| .grain_seed = film_grain->grain_seed, |
| .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, |
| }, |
| .pic_info_fields.bits = { |
| .frame_type = frame_header->frame_type, |
| .show_frame = frame_header->show_frame, |
| .showable_frame = frame_header->showable_frame, |
| .error_resilient_mode = frame_header->error_resilient_mode, |
| .disable_cdf_update = frame_header->disable_cdf_update, |
| .allow_screen_content_tools = frame_header->allow_screen_content_tools, |
| .force_integer_mv = frame_header->force_integer_mv, |
| .allow_intrabc = frame_header->allow_intrabc, |
| .use_superres = frame_header->use_superres, |
| .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, |
| .uniform_tile_spacing_flag = frame_header->uniform_tile_spacing_flag, |
| .allow_warped_motion = frame_header->allow_warped_motion, |
| }, |
| .loop_filter_info_fields.bits = { |
| .sharpness_level = frame_header->loop_filter_sharpness, |
| .mode_ref_delta_enabled = frame_header->loop_filter_delta_enabled, |
| .mode_ref_delta_update = frame_header->loop_filter_delta_update, |
| }, |
| .mode_control_fields.bits = { |
| .delta_q_present_flag = frame_header->delta_q_present, |
| .log2_delta_q_res = frame_header->delta_q_res, |
| .tx_mode = frame_header->tx_mode, |
| .reference_select = frame_header->reference_select, |
| .reduced_tx_set_used = frame_header->reduced_tx_set, |
| .skip_mode_present = frame_header->skip_mode_present, |
| }, |
| .loop_restoration_fields.bits = { |
| .yframe_restoration_type = remap_lr_type[frame_header->lr_type[0]], |
| .cbframe_restoration_type = remap_lr_type[frame_header->lr_type[1]], |
| .crframe_restoration_type = remap_lr_type[frame_header->lr_type[2]], |
| .lr_unit_shift = frame_header->lr_unit_shift, |
| .lr_uv_shift = frame_header->lr_uv_shift, |
| }, |
| .qmatrix_fields.bits = { |
| .using_qmatrix = frame_header->using_qmatrix, |
| } |
| }; |
| |
| for (int i = 0; i < AV1_NUM_REF_FRAMES; i++) { |
| if (pic_param.pic_info_fields.bits.frame_type == AV1_FRAME_KEY) |
| pic_param.ref_frame_map[i] = VA_INVALID_ID; |
| else |
| pic_param.ref_frame_map[i] = vaapi_av1_surface_id(&s->ref[i]); |
| } |
| for (int i = 0; i < AV1_REFS_PER_FRAME; i++) { |
| pic_param.ref_frame_idx[i] = frame_header->ref_frame_idx[i]; |
| } |
| for (int i = 0; i < AV1_TOTAL_REFS_PER_FRAME; i++) { |
| pic_param.ref_deltas[i] = frame_header->loop_filter_ref_deltas[i]; |
| } |
| for (int i = 0; i < 2; i++) { |
| pic_param.mode_deltas[i] = frame_header->loop_filter_mode_deltas[i]; |
| } |
| for (int i = 0; i < (1 << frame_header->cdef_bits); i++) { |
| pic_param.cdef_y_strengths[i] = |
| (frame_header->cdef_y_pri_strength[i] << 2) + |
| frame_header->cdef_y_sec_strength[i]; |
| pic_param.cdef_uv_strengths[i] = |
| (frame_header->cdef_uv_pri_strength[i] << 2) + |
| frame_header->cdef_uv_sec_strength[i]; |
| } |
| for (int i = 0; i < frame_header->tile_cols; i++) { |
| pic_param.width_in_sbs_minus_1[i] = |
| frame_header->width_in_sbs_minus_1[i]; |
| } |
| for (int i = 0; i < frame_header->tile_rows; i++) { |
| pic_param.height_in_sbs_minus_1[i] = |
| frame_header->height_in_sbs_minus_1[i]; |
| } |
| for (int i = AV1_REF_FRAME_LAST; i <= AV1_REF_FRAME_ALTREF; i++) { |
| pic_param.wm[i - 1].wmtype = s->cur_frame.gm_type[i]; |
| for (int j = 0; j < 6; j++) |
| pic_param.wm[i - 1].wmmat[j] = s->cur_frame.gm_params[i][j]; |
| } |
| if (apply_grain) { |
| for (int i = 0; i < film_grain->num_y_points; i++) { |
| pic_param.film_grain_info.point_y_value[i] = |
| film_grain->point_y_value[i]; |
| pic_param.film_grain_info.point_y_scaling[i] = |
| film_grain->point_y_scaling[i]; |
| } |
| for (int i = 0; i < film_grain->num_cb_points; i++) { |
| pic_param.film_grain_info.point_cb_value[i] = |
| film_grain->point_cb_value[i]; |
| pic_param.film_grain_info.point_cb_scaling[i] = |
| film_grain->point_cb_scaling[i]; |
| } |
| for (int i = 0; i < film_grain->num_cr_points; i++) { |
| pic_param.film_grain_info.point_cr_value[i] = |
| film_grain->point_cr_value[i]; |
| pic_param.film_grain_info.point_cr_scaling[i] = |
| film_grain->point_cr_scaling[i]; |
| } |
| for (int i = 0; i < 24; i++) { |
| pic_param.film_grain_info.ar_coeffs_y[i] = |
| film_grain->ar_coeffs_y_plus_128[i] - 128; |
| } |
| for (int i = 0; i < 25; i++) { |
| pic_param.film_grain_info.ar_coeffs_cb[i] = |
| film_grain->ar_coeffs_cb_plus_128[i] - 128; |
| pic_param.film_grain_info.ar_coeffs_cr[i] = |
| film_grain->ar_coeffs_cr_plus_128[i] - 128; |
| } |
| } |
| err = ff_vaapi_decode_make_param_buffer(avctx, pic, |
| VAPictureParameterBufferType, |
| &pic_param, sizeof(pic_param)); |
| if (err < 0) |
| goto fail; |
| |
| return 0; |
| |
| fail: |
| ff_vaapi_decode_cancel(avctx, pic); |
| return err; |
| } |
| |
| static int vaapi_av1_end_frame(AVCodecContext *avctx) |
| { |
| const AV1DecContext *s = avctx->priv_data; |
| VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private; |
| return ff_vaapi_decode_issue(avctx, pic); |
| } |
| |
| static int vaapi_av1_decode_slice(AVCodecContext *avctx, |
| const uint8_t *buffer, |
| uint32_t size) |
| { |
| const AV1DecContext *s = avctx->priv_data; |
| VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private; |
| VASliceParameterBufferAV1 slice_param; |
| int err = 0; |
| |
| for (int i = s->tg_start; i <= s->tg_end; i++) { |
| memset(&slice_param, 0, sizeof(VASliceParameterBufferAV1)); |
| |
| slice_param = (VASliceParameterBufferAV1) { |
| .slice_data_size = s->tile_group_info[i].tile_size, |
| .slice_data_offset = s->tile_group_info[i].tile_offset, |
| .slice_data_flag = VA_SLICE_DATA_FLAG_ALL, |
| .tile_row = s->tile_group_info[i].tile_row, |
| .tile_column = s->tile_group_info[i].tile_column, |
| .tg_start = s->tg_start, |
| .tg_end = s->tg_end, |
| }; |
| |
| err = ff_vaapi_decode_make_slice_buffer(avctx, pic, &slice_param, |
| sizeof(VASliceParameterBufferAV1), |
| buffer, |
| s->tile_group_info[i].tile_size); |
| if (err) { |
| ff_vaapi_decode_cancel(avctx, pic); |
| return err; |
| } |
| } |
| |
| return 0; |
| } |
| |
| const AVHWAccel ff_av1_vaapi_hwaccel = { |
| .name = "av1_vaapi", |
| .type = AVMEDIA_TYPE_VIDEO, |
| .id = AV_CODEC_ID_AV1, |
| .pix_fmt = AV_PIX_FMT_VAAPI, |
| .start_frame = vaapi_av1_start_frame, |
| .end_frame = vaapi_av1_end_frame, |
| .decode_slice = vaapi_av1_decode_slice, |
| .frame_priv_data_size = sizeof(VAAPIDecodePicture), |
| .init = ff_vaapi_decode_init, |
| .uninit = ff_vaapi_decode_uninit, |
| .frame_params = ff_vaapi_common_frame_params, |
| .priv_data_size = sizeof(VAAPIDecodeContext), |
| .caps_internal = HWACCEL_CAP_ASYNC_SAFE, |
| }; |
