/* * 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/frame.h" #include "hwaccel_internal.h" #include "vaapi_decode.h" #include "internal.h" #include "av1dec.h" #include "thread.h" typedef struct VAAPIAV1FrameRef { AVFrame *frame; int valid; } VAAPIAV1FrameRef; typedef struct VAAPIAV1DecContext { VAAPIDecodeContext base; /** * For film grain case, VAAPI generate 2 output for each frame, * current_frame will not apply film grain, and will be used for * references for next frames. Maintain the reference list without * applying film grain here. And current_display_picture will be * used to apply film grain and push to downstream. */ VAAPIAV1FrameRef ref_tab[AV1_NUM_REF_FRAMES]; AVFrame *tmp_frame; } VAAPIAV1DecContext; static VASurfaceID vaapi_av1_surface_id(AV1Frame *vf) { if (vf) return ff_vaapi_get_surface_id(vf->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_decode_init(AVCodecContext *avctx) { VAAPIAV1DecContext *ctx = avctx->internal->hwaccel_priv_data; ctx->tmp_frame = av_frame_alloc(); if (!ctx->tmp_frame) { av_log(avctx, AV_LOG_ERROR, "Failed to allocate frame.\n"); return AVERROR(ENOMEM); } for (int i = 0; i < FF_ARRAY_ELEMS(ctx->ref_tab); i++) { ctx->ref_tab[i].frame = av_frame_alloc(); if (!ctx->ref_tab[i].frame) { av_log(avctx, AV_LOG_ERROR, "Failed to allocate reference table frame %d.\n", i); return AVERROR(ENOMEM); } ctx->ref_tab[i].valid = 0; } return ff_vaapi_decode_init(avctx); } static int vaapi_av1_decode_uninit(AVCodecContext *avctx) { VAAPIAV1DecContext *ctx = avctx->internal->hwaccel_priv_data; av_frame_free(&ctx->tmp_frame); for (int i = 0; i < FF_ARRAY_ELEMS(ctx->ref_tab); i++) av_frame_free(&ctx->ref_tab[i].frame); return ff_vaapi_decode_uninit(avctx); } 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; VAAPIAV1DecContext *ctx = avctx->internal->hwaccel_priv_data; 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}; uint8_t segmentation_feature_signed[AV1_SEG_LVL_MAX] = {1, 1, 1, 1, 1, 0, 0, 0}; uint8_t segmentation_feature_max[AV1_SEG_LVL_MAX] = {255, AV1_MAX_LOOP_FILTER, AV1_MAX_LOOP_FILTER, AV1_MAX_LOOP_FILTER, AV1_MAX_LOOP_FILTER, 7 , 0 , 0 }; bit_depth_idx = vaapi_av1_get_bit_depth_idx(avctx); if (bit_depth_idx < 0) goto fail; if (apply_grain) { if (ctx->tmp_frame->buf[0]) av_frame_unref(ctx->tmp_frame); err = ff_thread_get_buffer(avctx, ctx->tmp_frame, AV_GET_BUFFER_FLAG_REF); if (err < 0) goto fail; pic->output_surface = ff_vaapi_get_surface_id(ctx->tmp_frame); } else { pic->output_surface = vaapi_av1_surface_id(&s->cur_frame); } 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, .matrix_coefficients = seq->color_config.matrix_coefficients, .current_frame = pic->output_surface, .current_display_picture = vaapi_av1_surface_id(&s->cur_frame), .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, .superres_scale_denominator = frame_header->use_superres ? frame_header->coded_denom + AV1_SUPERRES_DENOM_MIN : AV1_SUPERRES_NUM, .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, .y_dc_delta_q = frame_header->delta_q_y_dc, .u_dc_delta_q = frame_header->delta_q_u_dc, .u_ac_delta_q = frame_header->delta_q_u_ac, .v_dc_delta_q = frame_header->delta_q_v_dc, .v_ac_delta_q = frame_header->delta_q_v_ac, .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, .delta_lf_present_flag = frame_header->delta_lf_present, .log2_delta_lf_res = frame_header->delta_lf_res, .delta_lf_multi = frame_header->delta_lf_multi, .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, .qm_y = frame_header->qm_y, .qm_u = frame_header->qm_u, .qm_v = frame_header->qm_v, } }; for (int i = 0; i < AV1_NUM_REF_FRAMES; i++) { if (pic_param.pic_info_fields.bits.frame_type == AV1_FRAME_KEY && frame_header->show_frame) pic_param.ref_frame_map[i] = VA_INVALID_ID; else pic_param.ref_frame_map[i] = ctx->ref_tab[i].valid ? ff_vaapi_get_surface_id(ctx->ref_tab[i].frame) : 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].invalid = s->cur_frame.gm_invalid[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]; } for (int i = 0; i < AV1_MAX_SEGMENTS; i++) { for (int j = 0; j < AV1_SEG_LVL_MAX; j++) { pic_param.seg_info.feature_mask[i] |= (frame_header->feature_enabled[i][j] << j); if (segmentation_feature_signed[j]) pic_param.seg_info.feature_data[i][j] = av_clip(frame_header->feature_value[i][j], -segmentation_feature_max[j], segmentation_feature_max[j]); else pic_param.seg_info.feature_data[i][j] = av_clip(frame_header->feature_value[i][j], 0, segmentation_feature_max[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; const AV1RawFrameHeader *header = s->raw_frame_header; const AV1RawFilmGrainParams *film_grain = &s->cur_frame.film_grain; VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private; VAAPIAV1DecContext *ctx = avctx->internal->hwaccel_priv_data; int apply_grain = !(avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN) && film_grain->apply_grain; int ret; ret = ff_vaapi_decode_issue(avctx, pic); if (ret < 0) return ret; for (int i = 0; i < AV1_NUM_REF_FRAMES; i++) { if (header->refresh_frame_flags & (1 << i)) { if (ctx->ref_tab[i].frame->buf[0]) av_frame_unref(ctx->ref_tab[i].frame); if (apply_grain) { ret = av_frame_ref(ctx->ref_tab[i].frame, ctx->tmp_frame); if (ret < 0) return ret; ctx->ref_tab[i].valid = 1; } else { ctx->ref_tab[i].valid = 0; } } } return 0; } 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, size); if (err) { ff_vaapi_decode_cancel(avctx, pic); return err; } } return 0; } const FFHWAccel ff_av1_vaapi_hwaccel = { .p.name = "av1_vaapi", .p.type = AVMEDIA_TYPE_VIDEO, .p.id = AV_CODEC_ID_AV1, .p.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 = vaapi_av1_decode_init, .uninit = vaapi_av1_decode_uninit, .frame_params = ff_vaapi_common_frame_params, .priv_data_size = sizeof(VAAPIAV1DecContext), .caps_internal = HWACCEL_CAP_ASYNC_SAFE, };