diff options
Diffstat (limited to 'media/ffvpx/libavcodec/vaapi_av1.c')
| -rw-r--r-- | media/ffvpx/libavcodec/vaapi_av1.c | 451 |
1 files changed, 451 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/vaapi_av1.c b/media/ffvpx/libavcodec/vaapi_av1.c new file mode 100644 index 0000000000..d0339b2705 --- /dev/null +++ b/media/ffvpx/libavcodec/vaapi_av1.c @@ -0,0 +1,451 @@ +/* + * 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 "libavutil/pixdesc.h" +#include "hwconfig.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; + + if (ctx->tmp_frame->buf[0]) + ff_thread_release_buffer(avctx, ctx->tmp_frame); + av_frame_free(&ctx->tmp_frame); + + for (int i = 0; i < FF_ARRAY_ELEMS(ctx->ref_tab); i++) { + if (ctx->ref_tab[i].frame->buf[0]) + ff_thread_release_buffer(avctx, ctx->ref_tab[i].frame); + 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]) + ff_thread_release_buffer(avctx, 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]) + ff_thread_release_buffer(avctx, 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 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 = 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, +}; |