GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/vaapi_av1.c Lines: 0 199 0.0 %
Date: 2021-03-07 19:55:24 Branches: 0 64 0.0 %

Line Branch Exec Source
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/*
2
 * AV1 HW decode acceleration through VA API
3
 *
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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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 */
20
21
#include "libavutil/pixdesc.h"
22
#include "hwconfig.h"
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#include "vaapi_decode.h"
24
#include "av1dec.h"
25
26
static VASurfaceID vaapi_av1_surface_id(AV1Frame *vf)
27
{
28
    if (vf)
29
        return ff_vaapi_get_surface_id(vf->tf.f);
30
    else
31
        return VA_INVALID_SURFACE;
32
}
33
34
static int8_t vaapi_av1_get_bit_depth_idx(AVCodecContext *avctx)
35
{
36
    AV1DecContext *s = avctx->priv_data;
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    const AV1RawSequenceHeader *seq = s->raw_seq;
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    int8_t bit_depth = 8;
39
40
    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;
48
    }
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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)
55
{
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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,
158
        },
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        .loop_filter_info_fields.bits = {
160
            .sharpness_level        = frame_header->loop_filter_sharpness,
161
            .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,
177
            .lr_uv_shift              = frame_header->lr_uv_shift,
178
        },
179
        .qmatrix_fields.bits = {
180
            .using_qmatrix = frame_header->using_qmatrix,
181
        }
182
    };
183
184
    for (int i = 0; i < AV1_NUM_REF_FRAMES; i++) {
185
        if (pic_param.pic_info_fields.bits.frame_type == AV1_FRAME_KEY)
186
            pic_param.ref_frame_map[i] = VA_INVALID_ID;
187
        else
188
            pic_param.ref_frame_map[i] = vaapi_av1_surface_id(&s->ref[i]);
189
    }
190
    for (int i = 0; i < AV1_REFS_PER_FRAME; i++) {
191
        pic_param.ref_frame_idx[i] = frame_header->ref_frame_idx[i];
192
    }
193
    for (int i = 0; i < AV1_TOTAL_REFS_PER_FRAME; i++) {
194
        pic_param.ref_deltas[i] = frame_header->loop_filter_ref_deltas[i];
195
    }
196
    for (int i = 0; i < 2; i++) {
197
        pic_param.mode_deltas[i] = frame_header->loop_filter_mode_deltas[i];
198
    }
199
    for (int i = 0; i < (1 << frame_header->cdef_bits); i++) {
200
        pic_param.cdef_y_strengths[i] =
201
            (frame_header->cdef_y_pri_strength[i] << 2) +
202
                frame_header->cdef_y_sec_strength[i];
203
        pic_param.cdef_uv_strengths[i] =
204
            (frame_header->cdef_uv_pri_strength[i] << 2) +
205
                frame_header->cdef_uv_sec_strength[i];
206
    }
207
    for (int i = 0; i < frame_header->tile_cols; i++) {
208
        pic_param.width_in_sbs_minus_1[i] =
209
            frame_header->width_in_sbs_minus_1[i];
210
    }
211
    for (int i = 0; i < frame_header->tile_rows; i++) {
212
        pic_param.height_in_sbs_minus_1[i] =
213
            frame_header->height_in_sbs_minus_1[i];
214
    }
215
    for (int i = AV1_REF_FRAME_LAST; i <= AV1_REF_FRAME_ALTREF; i++) {
216
        pic_param.wm[i - 1].wmtype = s->cur_frame.gm_type[i];
217
        for (int j = 0; j < 6; j++)
218
            pic_param.wm[i - 1].wmmat[j] = s->cur_frame.gm_params[i][j];
219
    }
220
    if (apply_grain) {
221
        for (int i = 0; i < film_grain->num_y_points; i++) {
222
            pic_param.film_grain_info.point_y_value[i] =
223
                film_grain->point_y_value[i];
224
            pic_param.film_grain_info.point_y_scaling[i] =
225
                film_grain->point_y_scaling[i];
226
        }
227
        for (int i = 0; i < film_grain->num_cb_points; i++) {
228
            pic_param.film_grain_info.point_cb_value[i] =
229
                film_grain->point_cb_value[i];
230
            pic_param.film_grain_info.point_cb_scaling[i] =
231
                film_grain->point_cb_scaling[i];
232
        }
233
        for (int i = 0; i < film_grain->num_cr_points; i++) {
234
            pic_param.film_grain_info.point_cr_value[i] =
235
                film_grain->point_cr_value[i];
236
            pic_param.film_grain_info.point_cr_scaling[i] =
237
                film_grain->point_cr_scaling[i];
238
        }
239
        for (int i = 0; i < 24; i++) {
240
            pic_param.film_grain_info.ar_coeffs_y[i] =
241
                film_grain->ar_coeffs_y_plus_128[i] - 128;
242
        }
243
        for (int i = 0; i < 25; i++) {
244
            pic_param.film_grain_info.ar_coeffs_cb[i] =
245
                film_grain->ar_coeffs_cb_plus_128[i] - 128;
246
            pic_param.film_grain_info.ar_coeffs_cr[i] =
247
                film_grain->ar_coeffs_cr_plus_128[i] - 128;
248
        }
249
    }
250
    err = ff_vaapi_decode_make_param_buffer(avctx, pic,
251
                                            VAPictureParameterBufferType,
252
                                            &pic_param, sizeof(pic_param));
253
    if (err < 0)
254
        goto fail;
255
256
    return 0;
257
258
fail:
259
    ff_vaapi_decode_cancel(avctx, pic);
260
    return err;
261
}
262
263
static int vaapi_av1_end_frame(AVCodecContext *avctx)
264
{
265
    const AV1DecContext *s = avctx->priv_data;
266
    VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private;
267
    return ff_vaapi_decode_issue(avctx, pic);
268
}
269
270
static int vaapi_av1_decode_slice(AVCodecContext *avctx,
271
                                  const uint8_t *buffer,
272
                                  uint32_t size)
273
{
274
    const AV1DecContext *s = avctx->priv_data;
275
    VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private;
276
    VASliceParameterBufferAV1 slice_param;
277
    int err = 0;
278
279
    for (int i = s->tg_start; i <= s->tg_end; i++) {
280
        memset(&slice_param, 0, sizeof(VASliceParameterBufferAV1));
281
282
        slice_param = (VASliceParameterBufferAV1) {
283
            .slice_data_size   = s->tile_group_info[i].tile_size,
284
            .slice_data_offset = s->tile_group_info[i].tile_offset,
285
            .slice_data_flag   = VA_SLICE_DATA_FLAG_ALL,
286
            .tile_row          = s->tile_group_info[i].tile_row,
287
            .tile_column       = s->tile_group_info[i].tile_column,
288
            .tg_start          = s->tg_start,
289
            .tg_end            = s->tg_end,
290
        };
291
292
        err = ff_vaapi_decode_make_slice_buffer(avctx, pic, &slice_param,
293
                                                sizeof(VASliceParameterBufferAV1),
294
                                                buffer,
295
                                                s->tile_group_info[i].tile_size);
296
        if (err) {
297
            ff_vaapi_decode_cancel(avctx, pic);
298
            return err;
299
        }
300
    }
301
302
    return 0;
303
}
304
305
const AVHWAccel ff_av1_vaapi_hwaccel = {
306
    .name                 = "av1_vaapi",
307
    .type                 = AVMEDIA_TYPE_VIDEO,
308
    .id                   = AV_CODEC_ID_AV1,
309
    .pix_fmt              = AV_PIX_FMT_VAAPI,
310
    .start_frame          = vaapi_av1_start_frame,
311
    .end_frame            = vaapi_av1_end_frame,
312
    .decode_slice         = vaapi_av1_decode_slice,
313
    .frame_priv_data_size = sizeof(VAAPIDecodePicture),
314
    .init                 = ff_vaapi_decode_init,
315
    .uninit               = ff_vaapi_decode_uninit,
316
    .frame_params         = ff_vaapi_common_frame_params,
317
    .priv_data_size       = sizeof(VAAPIDecodeContext),
318
    .caps_internal        = HWACCEL_CAP_ASYNC_SAFE,
319
};