mirror of https://git.ffmpeg.org/ffmpeg.git
320 lines
15 KiB
C
320 lines
15 KiB
C
/*
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* AV1 HW decode acceleration through VA API
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/pixdesc.h"
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#include "hwconfig.h"
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#include "vaapi_decode.h"
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#include "av1dec.h"
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static VASurfaceID vaapi_av1_surface_id(AV1Frame *vf)
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{
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if (vf)
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return ff_vaapi_get_surface_id(vf->tf.f);
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else
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return VA_INVALID_SURFACE;
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}
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static int8_t vaapi_av1_get_bit_depth_idx(AVCodecContext *avctx)
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{
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AV1DecContext *s = avctx->priv_data;
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const AV1RawSequenceHeader *seq = s->raw_seq;
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int8_t bit_depth = 8;
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if (seq->seq_profile == 2 && seq->color_config.high_bitdepth)
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bit_depth = seq->color_config.twelve_bit ? 12 : 10;
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else if (seq->seq_profile <= 2)
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bit_depth = seq->color_config.high_bitdepth ? 10 : 8;
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else {
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av_log(avctx, AV_LOG_ERROR,
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"Couldn't get bit depth from profile:%d.\n", seq->seq_profile);
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return -1;
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}
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return bit_depth == 8 ? 0 : bit_depth == 10 ? 1 : 2;
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}
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static int vaapi_av1_start_frame(AVCodecContext *avctx,
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av_unused const uint8_t *buffer,
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av_unused uint32_t size)
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{
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AV1DecContext *s = avctx->priv_data;
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const AV1RawSequenceHeader *seq = s->raw_seq;
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const AV1RawFrameHeader *frame_header = s->raw_frame_header;
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const AV1RawFilmGrainParams *film_grain = &s->cur_frame.film_grain;
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VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private;
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VADecPictureParameterBufferAV1 pic_param;
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int8_t bit_depth_idx;
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int err = 0;
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int apply_grain = !(avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN) && film_grain->apply_grain;
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uint8_t remap_lr_type[4] = {AV1_RESTORE_NONE, AV1_RESTORE_SWITCHABLE, AV1_RESTORE_WIENER, AV1_RESTORE_SGRPROJ};
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pic->output_surface = vaapi_av1_surface_id(&s->cur_frame);
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bit_depth_idx = vaapi_av1_get_bit_depth_idx(avctx);
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if (bit_depth_idx < 0)
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goto fail;
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memset(&pic_param, 0, sizeof(VADecPictureParameterBufferAV1));
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pic_param = (VADecPictureParameterBufferAV1) {
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.profile = seq->seq_profile,
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.order_hint_bits_minus_1 = seq->order_hint_bits_minus_1,
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.bit_depth_idx = bit_depth_idx,
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.current_frame = pic->output_surface,
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.current_display_picture = pic->output_surface,
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.frame_width_minus1 = frame_header->frame_width_minus_1,
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.frame_height_minus1 = frame_header->frame_height_minus_1,
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.primary_ref_frame = frame_header->primary_ref_frame,
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.order_hint = frame_header->order_hint,
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.tile_cols = frame_header->tile_cols,
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.tile_rows = frame_header->tile_rows,
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.context_update_tile_id = frame_header->context_update_tile_id,
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.interp_filter = frame_header->interpolation_filter,
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.filter_level[0] = frame_header->loop_filter_level[0],
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.filter_level[1] = frame_header->loop_filter_level[1],
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.filter_level_u = frame_header->loop_filter_level[2],
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.filter_level_v = frame_header->loop_filter_level[3],
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.base_qindex = frame_header->base_q_idx,
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.cdef_damping_minus_3 = frame_header->cdef_damping_minus_3,
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.cdef_bits = frame_header->cdef_bits,
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.seq_info_fields.fields = {
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.still_picture = seq->still_picture,
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.use_128x128_superblock = seq->use_128x128_superblock,
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.enable_filter_intra = seq->enable_filter_intra,
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.enable_intra_edge_filter = seq->enable_intra_edge_filter,
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.enable_interintra_compound = seq->enable_interintra_compound,
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.enable_masked_compound = seq->enable_masked_compound,
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.enable_dual_filter = seq->enable_dual_filter,
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.enable_order_hint = seq->enable_order_hint,
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.enable_jnt_comp = seq->enable_jnt_comp,
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.enable_cdef = seq->enable_cdef,
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.mono_chrome = seq->color_config.mono_chrome,
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.color_range = seq->color_config.color_range,
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.subsampling_x = seq->color_config.subsampling_x,
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.subsampling_y = seq->color_config.subsampling_y,
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.chroma_sample_position = seq->color_config.chroma_sample_position,
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.film_grain_params_present = seq->film_grain_params_present &&
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!(avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN),
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},
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.seg_info.segment_info_fields.bits = {
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.enabled = frame_header->segmentation_enabled,
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.update_map = frame_header->segmentation_update_map,
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.temporal_update = frame_header->segmentation_temporal_update,
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.update_data = frame_header->segmentation_update_data,
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},
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.film_grain_info = {
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.film_grain_info_fields.bits = {
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.apply_grain = apply_grain,
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.chroma_scaling_from_luma = film_grain->chroma_scaling_from_luma,
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.grain_scaling_minus_8 = film_grain->grain_scaling_minus_8,
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.ar_coeff_lag = film_grain->ar_coeff_lag,
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.ar_coeff_shift_minus_6 = film_grain->ar_coeff_shift_minus_6,
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.grain_scale_shift = film_grain->grain_scale_shift,
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.overlap_flag = film_grain->overlap_flag,
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.clip_to_restricted_range = film_grain->clip_to_restricted_range,
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},
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.grain_seed = film_grain->grain_seed,
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.num_y_points = film_grain->num_y_points,
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.num_cb_points = film_grain->num_cb_points,
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.num_cr_points = film_grain->num_cr_points,
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.cb_mult = film_grain->cb_mult,
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.cb_luma_mult = film_grain->cb_luma_mult,
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.cb_offset = film_grain->cb_offset,
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.cr_mult = film_grain->cr_mult,
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.cr_luma_mult = film_grain->cr_luma_mult,
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.cr_offset = film_grain->cr_offset,
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},
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.pic_info_fields.bits = {
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.frame_type = frame_header->frame_type,
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.show_frame = frame_header->show_frame,
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.showable_frame = frame_header->showable_frame,
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.error_resilient_mode = frame_header->error_resilient_mode,
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.disable_cdf_update = frame_header->disable_cdf_update,
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.allow_screen_content_tools = frame_header->allow_screen_content_tools,
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.force_integer_mv = frame_header->force_integer_mv,
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.allow_intrabc = frame_header->allow_intrabc,
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.use_superres = frame_header->use_superres,
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.allow_high_precision_mv = frame_header->allow_high_precision_mv,
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.is_motion_mode_switchable = frame_header->is_motion_mode_switchable,
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.use_ref_frame_mvs = frame_header->use_ref_frame_mvs,
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.disable_frame_end_update_cdf = frame_header->disable_frame_end_update_cdf,
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.uniform_tile_spacing_flag = frame_header->uniform_tile_spacing_flag,
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.allow_warped_motion = frame_header->allow_warped_motion,
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},
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.loop_filter_info_fields.bits = {
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.sharpness_level = frame_header->loop_filter_sharpness,
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.mode_ref_delta_enabled = frame_header->loop_filter_delta_enabled,
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.mode_ref_delta_update = frame_header->loop_filter_delta_update,
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},
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.mode_control_fields.bits = {
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.delta_q_present_flag = frame_header->delta_q_present,
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.log2_delta_q_res = frame_header->delta_q_res,
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.tx_mode = frame_header->tx_mode,
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.reference_select = frame_header->reference_select,
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.reduced_tx_set_used = frame_header->reduced_tx_set,
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.skip_mode_present = frame_header->skip_mode_present,
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},
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.loop_restoration_fields.bits = {
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.yframe_restoration_type = remap_lr_type[frame_header->lr_type[0]],
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.cbframe_restoration_type = remap_lr_type[frame_header->lr_type[1]],
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.crframe_restoration_type = remap_lr_type[frame_header->lr_type[2]],
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.lr_unit_shift = frame_header->lr_unit_shift,
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.lr_uv_shift = frame_header->lr_uv_shift,
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},
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.qmatrix_fields.bits = {
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.using_qmatrix = frame_header->using_qmatrix,
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}
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};
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for (int i = 0; i < AV1_NUM_REF_FRAMES; i++) {
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if (pic_param.pic_info_fields.bits.frame_type == AV1_FRAME_KEY)
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pic_param.ref_frame_map[i] = VA_INVALID_ID;
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else
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pic_param.ref_frame_map[i] = vaapi_av1_surface_id(&s->ref[i]);
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}
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for (int i = 0; i < AV1_REFS_PER_FRAME; i++) {
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pic_param.ref_frame_idx[i] = frame_header->ref_frame_idx[i];
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}
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for (int i = 0; i < AV1_TOTAL_REFS_PER_FRAME; i++) {
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pic_param.ref_deltas[i] = frame_header->loop_filter_ref_deltas[i];
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}
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for (int i = 0; i < 2; i++) {
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pic_param.mode_deltas[i] = frame_header->loop_filter_mode_deltas[i];
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}
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for (int i = 0; i < (1 << frame_header->cdef_bits); i++) {
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pic_param.cdef_y_strengths[i] =
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(frame_header->cdef_y_pri_strength[i] << 2) +
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frame_header->cdef_y_sec_strength[i];
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pic_param.cdef_uv_strengths[i] =
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(frame_header->cdef_uv_pri_strength[i] << 2) +
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frame_header->cdef_uv_sec_strength[i];
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}
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for (int i = 0; i < frame_header->tile_cols; i++) {
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pic_param.width_in_sbs_minus_1[i] =
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frame_header->width_in_sbs_minus_1[i];
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}
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for (int i = 0; i < frame_header->tile_rows; i++) {
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pic_param.height_in_sbs_minus_1[i] =
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frame_header->height_in_sbs_minus_1[i];
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}
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for (int i = AV1_REF_FRAME_LAST; i <= AV1_REF_FRAME_ALTREF; i++) {
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pic_param.wm[i - 1].wmtype = s->cur_frame.gm_type[i];
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for (int j = 0; j < 6; j++)
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pic_param.wm[i - 1].wmmat[j] = s->cur_frame.gm_params[i][j];
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}
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if (apply_grain) {
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for (int i = 0; i < film_grain->num_y_points; i++) {
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pic_param.film_grain_info.point_y_value[i] =
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film_grain->point_y_value[i];
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pic_param.film_grain_info.point_y_scaling[i] =
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film_grain->point_y_scaling[i];
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}
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for (int i = 0; i < film_grain->num_cb_points; i++) {
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pic_param.film_grain_info.point_cb_value[i] =
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film_grain->point_cb_value[i];
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pic_param.film_grain_info.point_cb_scaling[i] =
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film_grain->point_cb_scaling[i];
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}
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for (int i = 0; i < film_grain->num_cr_points; i++) {
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pic_param.film_grain_info.point_cr_value[i] =
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film_grain->point_cr_value[i];
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pic_param.film_grain_info.point_cr_scaling[i] =
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film_grain->point_cr_scaling[i];
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}
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for (int i = 0; i < 24; i++) {
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pic_param.film_grain_info.ar_coeffs_y[i] =
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film_grain->ar_coeffs_y_plus_128[i] - 128;
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}
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for (int i = 0; i < 25; i++) {
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pic_param.film_grain_info.ar_coeffs_cb[i] =
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film_grain->ar_coeffs_cb_plus_128[i] - 128;
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pic_param.film_grain_info.ar_coeffs_cr[i] =
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film_grain->ar_coeffs_cr_plus_128[i] - 128;
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}
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}
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err = ff_vaapi_decode_make_param_buffer(avctx, pic,
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VAPictureParameterBufferType,
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&pic_param, sizeof(pic_param));
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if (err < 0)
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goto fail;
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return 0;
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fail:
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ff_vaapi_decode_cancel(avctx, pic);
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return err;
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}
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static int vaapi_av1_end_frame(AVCodecContext *avctx)
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{
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const AV1DecContext *s = avctx->priv_data;
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VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private;
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return ff_vaapi_decode_issue(avctx, pic);
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}
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static int vaapi_av1_decode_slice(AVCodecContext *avctx,
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const uint8_t *buffer,
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uint32_t size)
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{
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const AV1DecContext *s = avctx->priv_data;
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VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private;
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VASliceParameterBufferAV1 slice_param;
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int err = 0;
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for (int i = s->tg_start; i <= s->tg_end; i++) {
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memset(&slice_param, 0, sizeof(VASliceParameterBufferAV1));
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slice_param = (VASliceParameterBufferAV1) {
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.slice_data_size = s->tile_group_info[i].tile_size,
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.slice_data_offset = s->tile_group_info[i].tile_offset,
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.slice_data_flag = VA_SLICE_DATA_FLAG_ALL,
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.tile_row = s->tile_group_info[i].tile_row,
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.tile_column = s->tile_group_info[i].tile_column,
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.tg_start = s->tg_start,
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.tg_end = s->tg_end,
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};
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err = ff_vaapi_decode_make_slice_buffer(avctx, pic, &slice_param,
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sizeof(VASliceParameterBufferAV1),
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buffer,
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s->tile_group_info[i].tile_size);
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if (err) {
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ff_vaapi_decode_cancel(avctx, pic);
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return err;
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}
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}
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return 0;
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}
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const AVHWAccel ff_av1_vaapi_hwaccel = {
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.name = "av1_vaapi",
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.type = AVMEDIA_TYPE_VIDEO,
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.id = AV_CODEC_ID_AV1,
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.pix_fmt = AV_PIX_FMT_VAAPI,
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.start_frame = vaapi_av1_start_frame,
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.end_frame = vaapi_av1_end_frame,
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.decode_slice = vaapi_av1_decode_slice,
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.frame_priv_data_size = sizeof(VAAPIDecodePicture),
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.init = ff_vaapi_decode_init,
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.uninit = ff_vaapi_decode_uninit,
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.frame_params = ff_vaapi_common_frame_params,
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.priv_data_size = sizeof(VAAPIDecodeContext),
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.caps_internal = HWACCEL_CAP_ASYNC_SAFE,
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};
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