diff options
Diffstat (limited to 'libavcodec/vaapi_hevc.c')
| -rw-r--r-- | libavcodec/vaapi_hevc.c | 490 |
1 files changed, 490 insertions, 0 deletions
diff --git a/libavcodec/vaapi_hevc.c b/libavcodec/vaapi_hevc.c new file mode 100644 index 0000000000..62f783e308 --- /dev/null +++ b/libavcodec/vaapi_hevc.c @@ -0,0 +1,490 @@ +/* + * HEVC HW decode acceleration through VA API + * + * Copyright (C) 2015 Timo Rothenpieler <timo@rothenpieler.org> + * + * 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 "vaapi_internal.h" +#include "hevc.h" +#include "mpegutils.h" + +/** + * @file + * This file implements the glue code between FFmpeg's and VA API's + * structures for HEVC decoding. + */ + +typedef struct vaapi_hevc_frame_data { + VAPictureParameterBufferHEVC *pic_param; + VASliceParameterBufferHEVC *last_slice_param; +} vaapi_hevc_frame_data; + +/** + * Initialize an empty VA API picture. + * + * VA API requires a fixed-size reference picture array. + */ +static void init_vaapi_pic(VAPictureHEVC *va_pic) +{ + va_pic->picture_id = VA_INVALID_ID; + va_pic->flags = VA_PICTURE_HEVC_INVALID; + va_pic->pic_order_cnt = 0; +} + +static void fill_vaapi_pic(VAPictureHEVC *va_pic, const HEVCFrame *pic, int rps_type) +{ + va_pic->picture_id = ff_vaapi_get_surface_id(pic->frame); + va_pic->pic_order_cnt = pic->poc; + va_pic->flags = rps_type; + + if (pic->flags & HEVC_FRAME_FLAG_LONG_REF) + va_pic->flags |= VA_PICTURE_HEVC_LONG_TERM_REFERENCE; + + if (pic->frame->interlaced_frame) { + va_pic->flags |= VA_PICTURE_HEVC_FIELD_PIC; + + if (!pic->frame->top_field_first) { + va_pic->flags |= VA_PICTURE_HEVC_BOTTOM_FIELD; + } + } +} + +static int find_frame_rps_type(const HEVCContext *h, const HEVCFrame *pic) +{ + VASurfaceID pic_surf = ff_vaapi_get_surface_id(pic->frame); + int i; + + for (i = 0; i < h->rps[ST_CURR_BEF].nb_refs; ++i) { + if (pic_surf == ff_vaapi_get_surface_id(h->rps[ST_CURR_BEF].ref[i]->frame)) + return VA_PICTURE_HEVC_RPS_ST_CURR_BEFORE; + } + + for (i = 0; i < h->rps[ST_CURR_AFT].nb_refs; ++i) { + if (pic_surf == ff_vaapi_get_surface_id(h->rps[ST_CURR_AFT].ref[i]->frame)) + return VA_PICTURE_HEVC_RPS_ST_CURR_AFTER; + } + + for (i = 0; i < h->rps[LT_CURR].nb_refs; ++i) { + if (pic_surf == ff_vaapi_get_surface_id(h->rps[LT_CURR].ref[i]->frame)) + return VA_PICTURE_HEVC_RPS_LT_CURR; + } + + return 0; +} + +static void fill_vaapi_ReferenceFrames(const HEVCContext *h, VAPictureParameterBufferHEVC *pp) +{ + const HEVCFrame *current_picture = h->ref; + int i, j, rps_type; + + for (i = 0, j = 0; i < FF_ARRAY_ELEMS(pp->ReferenceFrames); i++) { + const HEVCFrame *frame = NULL; + + while (!frame && j < FF_ARRAY_ELEMS(h->DPB)) { + if (&h->DPB[j] != current_picture && (h->DPB[j].flags & (HEVC_FRAME_FLAG_LONG_REF | HEVC_FRAME_FLAG_SHORT_REF))) + frame = &h->DPB[j]; + j++; + } + + init_vaapi_pic(&pp->ReferenceFrames[i]); + + if (frame) { + rps_type = find_frame_rps_type(h, frame); + fill_vaapi_pic(&pp->ReferenceFrames[i], frame, rps_type); + } + } +} + +static uint8_t get_ref_pic_index(const HEVCContext *h, const HEVCFrame *frame) +{ + vaapi_hevc_frame_data *frame_data = h->ref->hwaccel_picture_private; + VAPictureParameterBufferHEVC *pp = frame_data->pic_param; + uint8_t i; + + if (!frame) + return 0xff; + + for (i = 0; i < FF_ARRAY_ELEMS(pp->ReferenceFrames); ++i) { + VASurfaceID pid = pp->ReferenceFrames[i].picture_id; + int poc = pp->ReferenceFrames[i].pic_order_cnt; + if (pid != VA_INVALID_ID && pid == ff_vaapi_get_surface_id(frame->frame) && poc == frame->poc) + return i; + } + + return 0xff; +} + +static void fill_picture_parameters(const HEVCContext *h, VAPictureParameterBufferHEVC *pp) +{ + int i; + + pp->pic_fields.value = 0; + pp->slice_parsing_fields.value = 0; + + fill_vaapi_pic(&pp->CurrPic, h->ref, 0); + fill_vaapi_ReferenceFrames(h, pp); + + pp->pic_width_in_luma_samples = h->ps.sps->width; + pp->pic_height_in_luma_samples = h->ps.sps->height; + + pp->log2_min_luma_coding_block_size_minus3 = h->ps.sps->log2_min_cb_size - 3; + + pp->pic_fields.bits.chroma_format_idc = h->ps.sps->chroma_format_idc; + + pp->sps_max_dec_pic_buffering_minus1 = h->ps.sps->temporal_layer[h->ps.sps->max_sub_layers - 1].max_dec_pic_buffering - 1; + pp->log2_diff_max_min_luma_coding_block_size = h->ps.sps->log2_diff_max_min_coding_block_size; + pp->log2_min_transform_block_size_minus2 = h->ps.sps->log2_min_tb_size - 2; + pp->log2_diff_max_min_transform_block_size = h->ps.sps->log2_max_trafo_size - h->ps.sps->log2_min_tb_size; + pp->max_transform_hierarchy_depth_inter = h->ps.sps->max_transform_hierarchy_depth_inter; + pp->max_transform_hierarchy_depth_intra = h->ps.sps->max_transform_hierarchy_depth_intra; + pp->num_short_term_ref_pic_sets = h->ps.sps->nb_st_rps; + pp->num_long_term_ref_pic_sps = h->ps.sps->num_long_term_ref_pics_sps; + + pp->num_ref_idx_l0_default_active_minus1 = h->ps.pps->num_ref_idx_l0_default_active - 1; + pp->num_ref_idx_l1_default_active_minus1 = h->ps.pps->num_ref_idx_l1_default_active - 1; + pp->init_qp_minus26 = h->ps.pps->pic_init_qp_minus26; + + pp->pps_cb_qp_offset = h->ps.pps->cb_qp_offset; + pp->pps_cr_qp_offset = h->ps.pps->cr_qp_offset; + + pp->pic_fields.bits.tiles_enabled_flag = h->ps.pps->tiles_enabled_flag; + pp->pic_fields.bits.separate_colour_plane_flag = h->ps.sps->separate_colour_plane_flag; + pp->pic_fields.bits.pcm_enabled_flag = h->ps.sps->pcm_enabled_flag; + pp->pic_fields.bits.scaling_list_enabled_flag = h->ps.sps->scaling_list_enable_flag; + pp->pic_fields.bits.transform_skip_enabled_flag = h->ps.pps->transform_skip_enabled_flag; + pp->pic_fields.bits.amp_enabled_flag = h->ps.sps->amp_enabled_flag; + pp->pic_fields.bits.strong_intra_smoothing_enabled_flag = h->ps.sps->sps_strong_intra_smoothing_enable_flag; + pp->pic_fields.bits.sign_data_hiding_enabled_flag = h->ps.pps->sign_data_hiding_flag; + pp->pic_fields.bits.constrained_intra_pred_flag = h->ps.pps->constrained_intra_pred_flag; + pp->pic_fields.bits.cu_qp_delta_enabled_flag = h->ps.pps->cu_qp_delta_enabled_flag; + pp->pic_fields.bits.weighted_pred_flag = h->ps.pps->weighted_pred_flag; + pp->pic_fields.bits.weighted_bipred_flag = h->ps.pps->weighted_bipred_flag; + pp->pic_fields.bits.transquant_bypass_enabled_flag = h->ps.pps->transquant_bypass_enable_flag; + pp->pic_fields.bits.entropy_coding_sync_enabled_flag = h->ps.pps->entropy_coding_sync_enabled_flag; + pp->pic_fields.bits.pps_loop_filter_across_slices_enabled_flag = h->ps.pps->seq_loop_filter_across_slices_enabled_flag; + pp->pic_fields.bits.loop_filter_across_tiles_enabled_flag = h->ps.pps->loop_filter_across_tiles_enabled_flag; + + pp->pic_fields.bits.pcm_loop_filter_disabled_flag = h->ps.sps->pcm.loop_filter_disable_flag; + pp->pcm_sample_bit_depth_luma_minus1 = h->ps.sps->pcm.bit_depth - 1; + pp->pcm_sample_bit_depth_chroma_minus1 = h->ps.sps->pcm.bit_depth_chroma - 1; + pp->log2_min_pcm_luma_coding_block_size_minus3 = h->ps.sps->pcm.log2_min_pcm_cb_size - 3; + pp->log2_diff_max_min_pcm_luma_coding_block_size = h->ps.sps->pcm.log2_max_pcm_cb_size - h->ps.sps->pcm.log2_min_pcm_cb_size; + + memset(pp->column_width_minus1, 0, sizeof(pp->column_width_minus1)); + memset(pp->row_height_minus1, 0, sizeof(pp->row_height_minus1)); + + if (h->ps.pps->tiles_enabled_flag) { + pp->num_tile_columns_minus1 = h->ps.pps->num_tile_columns - 1; + pp->num_tile_rows_minus1 = h->ps.pps->num_tile_rows - 1; + + for (i = 0; i < h->ps.pps->num_tile_columns; i++) + pp->column_width_minus1[i] = h->ps.pps->column_width[i] - 1; + + for (i = 0; i < h->ps.pps->num_tile_rows; i++) + pp->row_height_minus1[i] = h->ps.pps->row_height[i] - 1; + } + + pp->diff_cu_qp_delta_depth = h->ps.pps->diff_cu_qp_delta_depth; + pp->pps_beta_offset_div2 = h->ps.pps->beta_offset / 2; + pp->pps_tc_offset_div2 = h->ps.pps->tc_offset / 2; + pp->log2_parallel_merge_level_minus2 = h->ps.pps->log2_parallel_merge_level - 2; + + /* Different chroma/luma bit depths are currently not supported by ffmpeg. */ + pp->bit_depth_luma_minus8 = h->ps.sps->bit_depth - 8; + pp->bit_depth_chroma_minus8 = h->ps.sps->bit_depth - 8; + + pp->slice_parsing_fields.bits.lists_modification_present_flag = h->ps.pps->lists_modification_present_flag; + pp->slice_parsing_fields.bits.long_term_ref_pics_present_flag = h->ps.sps->long_term_ref_pics_present_flag; + pp->slice_parsing_fields.bits.sps_temporal_mvp_enabled_flag = h->ps.sps->sps_temporal_mvp_enabled_flag; + pp->slice_parsing_fields.bits.cabac_init_present_flag = h->ps.pps->cabac_init_present_flag; + pp->slice_parsing_fields.bits.output_flag_present_flag = h->ps.pps->output_flag_present_flag; + pp->slice_parsing_fields.bits.dependent_slice_segments_enabled_flag = h->ps.pps->dependent_slice_segments_enabled_flag; + pp->slice_parsing_fields.bits.pps_slice_chroma_qp_offsets_present_flag = h->ps.pps->pic_slice_level_chroma_qp_offsets_present_flag; + pp->slice_parsing_fields.bits.sample_adaptive_offset_enabled_flag = h->ps.sps->sao_enabled; + pp->slice_parsing_fields.bits.deblocking_filter_override_enabled_flag = h->ps.pps->deblocking_filter_override_enabled_flag; + pp->slice_parsing_fields.bits.pps_disable_deblocking_filter_flag = h->ps.pps->disable_dbf; + pp->slice_parsing_fields.bits.slice_segment_header_extension_present_flag = h->ps.pps->slice_header_extension_present_flag; + + pp->log2_max_pic_order_cnt_lsb_minus4 = h->ps.sps->log2_max_poc_lsb - 4; + pp->num_extra_slice_header_bits = h->ps.pps->num_extra_slice_header_bits; + + if (h->nal_unit_type >= NAL_BLA_W_LP && h->nal_unit_type <= NAL_CRA_NUT) { + pp->slice_parsing_fields.bits.RapPicFlag = 1; + } else { + pp->slice_parsing_fields.bits.RapPicFlag = 0; + } + + if (IS_IDR(h)) { + pp->slice_parsing_fields.bits.IdrPicFlag = 1; + } else { + pp->slice_parsing_fields.bits.IdrPicFlag = 0; + } + + if (IS_IRAP(h)) { + pp->slice_parsing_fields.bits.IntraPicFlag = 1; + } else { + pp->slice_parsing_fields.bits.IntraPicFlag = 0; + } + + if (h->sh.short_term_ref_pic_set_sps_flag == 0 && h->sh.short_term_rps) { + pp->st_rps_bits = h->sh.short_term_ref_pic_set_size; + } else { + pp->st_rps_bits = 0; + } + + /* TODO */ + pp->pic_fields.bits.NoPicReorderingFlag = 0; + pp->pic_fields.bits.NoBiPredFlag = 0; +} + + +/** Initialize and start decoding a frame with VA API. */ +static int vaapi_hevc_start_frame(AVCodecContext *avctx, + av_unused const uint8_t *buffer, + av_unused uint32_t size) +{ + HEVCContext * const h = avctx->priv_data; + FFVAContext * const vactx = ff_vaapi_get_context(avctx); + vaapi_hevc_frame_data *frame_data = h->ref->hwaccel_picture_private; + VAPictureParameterBufferHEVC *pic_param; + VAIQMatrixBufferHEVC *iq_matrix; + ScalingList const * scaling_list; + int i, j, pos; + + ff_dlog(avctx, "vaapi_hevc_start_frame()\n"); + + vactx->slice_param_size = sizeof(VASliceParameterBufferHEVC); + + /* Fill in VAPictureParameterBufferHEVC. */ + pic_param = ff_vaapi_alloc_pic_param(vactx, sizeof(VAPictureParameterBufferHEVC)); + if (!pic_param) + return -1; + fill_picture_parameters(h, pic_param); + frame_data->pic_param = pic_param; + + /* Fill in VAIQMatrixBufferHEVC. */ + if (h->ps.pps->scaling_list_data_present_flag) { + scaling_list = &h->ps.pps->scaling_list; + } else if (h->ps.sps->scaling_list_enable_flag) { + scaling_list = &h->ps.sps->scaling_list; + } else { + return 0; + } + + iq_matrix = ff_vaapi_alloc_iq_matrix(vactx, sizeof(VAIQMatrixBufferHEVC)); + if (!iq_matrix) + return -1; + + for (i = 0; i < 6; ++i) { + for (j = 0; j < 16; ++j) { + pos = 4 * ff_hevc_diag_scan4x4_y[j] + ff_hevc_diag_scan4x4_x[j]; + iq_matrix->ScalingList4x4[i][j] = scaling_list->sl[0][i][pos]; + } + for (j = 0; j < 64; ++j) { + pos = 8 * ff_hevc_diag_scan8x8_y[j] + ff_hevc_diag_scan8x8_x[j]; + iq_matrix->ScalingList8x8[i][j] = scaling_list->sl[1][i][pos]; + iq_matrix->ScalingList16x16[i][j] = scaling_list->sl[2][i][pos]; + if (i < 2) { + iq_matrix->ScalingList32x32[i][j] = scaling_list->sl[3][i * 3][pos]; + } + } + iq_matrix->ScalingListDC16x16[i] = scaling_list->sl_dc[0][i]; + if (i < 2) { + iq_matrix->ScalingListDC32x32[i] = scaling_list->sl_dc[1][i * 3]; + } + } + + return 0; +} + +/** End a hardware decoding based frame. */ +static int vaapi_hevc_end_frame(AVCodecContext *avctx) +{ + FFVAContext * const vactx = ff_vaapi_get_context(avctx); + HEVCContext * const h = avctx->priv_data; + vaapi_hevc_frame_data *frame_data = h->ref->hwaccel_picture_private; + int ret; + + ff_dlog(avctx, "vaapi_hevc_end_frame()\n"); + + frame_data->last_slice_param->LongSliceFlags.fields.LastSliceOfPic = 1; + + ret = ff_vaapi_commit_slices(vactx); + if (ret < 0) + goto finish; + + ret = ff_vaapi_render_picture(vactx, ff_vaapi_get_surface_id(h->ref->frame)); + if (ret < 0) + goto finish; + +finish: + ff_vaapi_common_end_frame(avctx); + return ret; +} + +static int fill_pred_weight_table(HEVCContext * const h, + VASliceParameterBufferHEVC *slice_param, + SliceHeader * const sh) +{ + int i; + + memset(slice_param->delta_luma_weight_l0, 0, sizeof(slice_param->delta_luma_weight_l0)); + memset(slice_param->delta_luma_weight_l1, 0, sizeof(slice_param->delta_luma_weight_l1)); + memset(slice_param->luma_offset_l0, 0, sizeof(slice_param->luma_offset_l0)); + memset(slice_param->luma_offset_l1, 0, sizeof(slice_param->luma_offset_l1)); + memset(slice_param->delta_chroma_weight_l0, 0, sizeof(slice_param->delta_chroma_weight_l0)); + memset(slice_param->delta_chroma_weight_l1, 0, sizeof(slice_param->delta_chroma_weight_l1)); + memset(slice_param->ChromaOffsetL0, 0, sizeof(slice_param->ChromaOffsetL0)); + memset(slice_param->ChromaOffsetL1, 0, sizeof(slice_param->ChromaOffsetL1)); + + slice_param->delta_chroma_log2_weight_denom = 0; + slice_param->luma_log2_weight_denom = 0; + + if ( sh->slice_type == I_SLICE + || (sh->slice_type == P_SLICE && !h->ps.pps->weighted_pred_flag) + || (sh->slice_type == B_SLICE && !h->ps.pps->weighted_bipred_flag)) { + return 0; + } + + slice_param->luma_log2_weight_denom = sh->luma_log2_weight_denom; + + if (h->ps.sps->chroma_format_idc) { + slice_param->delta_chroma_log2_weight_denom = sh->chroma_log2_weight_denom - sh->luma_log2_weight_denom; + } + + for (i = 0; i < 15 && i < sh->nb_refs[L0]; ++i) { + slice_param->delta_luma_weight_l0[i] = sh->luma_weight_l0[i] - (1 << sh->luma_log2_weight_denom); + slice_param->luma_offset_l0[i] = sh->luma_offset_l0[i]; + slice_param->delta_chroma_weight_l0[i][0] = sh->chroma_weight_l0[i][0] - (1 << sh->chroma_log2_weight_denom); + slice_param->delta_chroma_weight_l0[i][1] = sh->chroma_weight_l0[i][1] - (1 << sh->chroma_log2_weight_denom); + slice_param->ChromaOffsetL0[i][0] = sh->chroma_offset_l0[i][0]; + slice_param->ChromaOffsetL0[i][1] = sh->chroma_offset_l0[i][1]; + } + + if (sh->slice_type == B_SLICE) { + for (i = 0; i < 15 && i < sh->nb_refs[L1]; ++i) { + slice_param->delta_luma_weight_l1[i] = sh->luma_weight_l1[i] - (1 << sh->luma_log2_weight_denom); + slice_param->luma_offset_l1[i] = sh->luma_offset_l1[i]; + slice_param->delta_chroma_weight_l1[i][0] = sh->chroma_weight_l1[i][0] - (1 << sh->chroma_log2_weight_denom); + slice_param->delta_chroma_weight_l1[i][1] = sh->chroma_weight_l1[i][1] - (1 << sh->chroma_log2_weight_denom); + slice_param->ChromaOffsetL1[i][0] = sh->chroma_offset_l1[i][0]; + slice_param->ChromaOffsetL1[i][1] = sh->chroma_offset_l1[i][1]; + } + } + + return 0; +} + +/** Decode the given hevc slice with VA API. */ +static int vaapi_hevc_decode_slice(AVCodecContext *avctx, + const uint8_t *buffer, + uint32_t size) +{ + FFVAContext * const vactx = ff_vaapi_get_context(avctx); + HEVCContext * const h = avctx->priv_data; + vaapi_hevc_frame_data *frame_data = h->ref->hwaccel_picture_private; + SliceHeader * const sh = &h->sh; + VASliceParameterBufferHEVC *slice_param; + int i, list_idx; + uint8_t nb_list = sh->slice_type == B_SLICE ? 2 : 1; + + if (sh->slice_type == I_SLICE) + nb_list = 0; + + ff_dlog(avctx, "vaapi_hevc_decode_slice(): buffer %p, size %d\n", buffer, size); + + /* Fill in VASliceParameterBufferH264. */ + slice_param = (VASliceParameterBufferHEVC *)ff_vaapi_alloc_slice(vactx, buffer, size); + if (!slice_param) + return -1; + + frame_data->last_slice_param = slice_param; + + /* The base structure changed, so this has to be re-set in order to be valid on every byte order. */ + slice_param->slice_data_flag = VA_SLICE_DATA_FLAG_ALL; + + /* Add 1 to the bits count here to account for the byte_alignment bit, which allways is at least one bit and not accounted for otherwise. */ + slice_param->slice_data_byte_offset = (get_bits_count(&h->HEVClc->gb) + 1 + 7) / 8; + + slice_param->slice_segment_address = sh->slice_segment_addr; + + slice_param->LongSliceFlags.value = 0; + slice_param->LongSliceFlags.fields.dependent_slice_segment_flag = sh->dependent_slice_segment_flag; + slice_param->LongSliceFlags.fields.slice_type = sh->slice_type; + slice_param->LongSliceFlags.fields.color_plane_id = sh->colour_plane_id; + slice_param->LongSliceFlags.fields.mvd_l1_zero_flag = sh->mvd_l1_zero_flag; + slice_param->LongSliceFlags.fields.cabac_init_flag = sh->cabac_init_flag; + slice_param->LongSliceFlags.fields.slice_temporal_mvp_enabled_flag = sh->slice_temporal_mvp_enabled_flag; + slice_param->LongSliceFlags.fields.slice_deblocking_filter_disabled_flag = sh->disable_deblocking_filter_flag; + slice_param->LongSliceFlags.fields.collocated_from_l0_flag = sh->collocated_list == L0 ? 1 : 0; + slice_param->LongSliceFlags.fields.slice_loop_filter_across_slices_enabled_flag = sh->slice_loop_filter_across_slices_enabled_flag; + + slice_param->LongSliceFlags.fields.slice_sao_luma_flag = sh->slice_sample_adaptive_offset_flag[0]; + if (h->ps.sps->chroma_format_idc) { + slice_param->LongSliceFlags.fields.slice_sao_chroma_flag = sh->slice_sample_adaptive_offset_flag[1]; + } + + if (sh->slice_temporal_mvp_enabled_flag) { + slice_param->collocated_ref_idx = sh->collocated_ref_idx; + } else { + slice_param->collocated_ref_idx = 0xFF; + } + + slice_param->slice_qp_delta = sh->slice_qp_delta; + slice_param->slice_cb_qp_offset = sh->slice_cb_qp_offset; + slice_param->slice_cr_qp_offset = sh->slice_cr_qp_offset; + slice_param->slice_beta_offset_div2 = sh->beta_offset / 2; + slice_param->slice_tc_offset_div2 = sh->tc_offset / 2; + + if (sh->slice_type == I_SLICE) { + slice_param->five_minus_max_num_merge_cand = 0; + } else { + slice_param->five_minus_max_num_merge_cand = 5 - sh->max_num_merge_cand; + } + + slice_param->num_ref_idx_l0_active_minus1 = sh->nb_refs[L0] ? sh->nb_refs[L0] - 1 : 0; + slice_param->num_ref_idx_l1_active_minus1 = sh->nb_refs[L1] ? sh->nb_refs[L1] - 1 : 0; + + memset(slice_param->RefPicList, 0xFF, sizeof(slice_param->RefPicList)); + + /* h->ref->refPicList is updated befor calling each slice */ + for (list_idx = 0; list_idx < nb_list; ++list_idx) { + RefPicList *rpl = &h->ref->refPicList[list_idx]; + + for (i = 0; i < rpl->nb_refs; ++i) { + slice_param->RefPicList[list_idx][i] = get_ref_pic_index(h, rpl->ref[i]); + } + } + + return fill_pred_weight_table(h, slice_param, sh); +} + +AVHWAccel ff_hevc_vaapi_hwaccel = { + .name = "hevc_vaapi", + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_HEVC, + .pix_fmt = AV_PIX_FMT_VAAPI, + .start_frame = vaapi_hevc_start_frame, + .end_frame = vaapi_hevc_end_frame, + .decode_slice = vaapi_hevc_decode_slice, + .init = ff_vaapi_context_init, + .uninit = ff_vaapi_context_fini, + .priv_data_size = sizeof(FFVAContext), + .frame_priv_data_size = sizeof(vaapi_hevc_frame_data), +}; 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