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564 lines
23 KiB
564 lines
23 KiB
/* |
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* DXVA2 H.264 HW acceleration. |
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* |
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* copyright (c) 2009 Laurent Aimar |
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* |
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* This file is part of Libav. |
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* |
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* Libav 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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* Libav 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 Libav; 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 "h264dec.h" |
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#include "h264data.h" |
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#include "h264_ps.h" |
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#include "mpegutils.h" |
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// The headers above may include w32threads.h, which uses the original |
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// _WIN32_WINNT define, while dxva2_internal.h redefines it to target a |
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// potentially newer version. |
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#include "dxva2_internal.h" |
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struct dxva2_picture_context { |
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DXVA_PicParams_H264 pp; |
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DXVA_Qmatrix_H264 qm; |
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unsigned slice_count; |
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DXVA_Slice_H264_Short slice_short[MAX_SLICES]; |
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DXVA_Slice_H264_Long slice_long[MAX_SLICES]; |
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const uint8_t *bitstream; |
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unsigned bitstream_size; |
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}; |
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static void fill_picture_entry(DXVA_PicEntry_H264 *pic, |
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unsigned index, unsigned flag) |
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{ |
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assert((index&0x7f) == index && (flag&0x01) == flag); |
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pic->bPicEntry = index | (flag << 7); |
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} |
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static void fill_picture_parameters(const AVCodecContext *avctx, AVDXVAContext *ctx, const H264Context *h, |
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DXVA_PicParams_H264 *pp) |
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{ |
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const H264Picture *current_picture = h->cur_pic_ptr; |
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const SPS *sps = h->ps.sps; |
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const PPS *pps = h->ps.pps; |
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int i, j; |
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|
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memset(pp, 0, sizeof(*pp)); |
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/* Configure current picture */ |
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fill_picture_entry(&pp->CurrPic, |
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ff_dxva2_get_surface_index(avctx, ctx, current_picture->f), |
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h->picture_structure == PICT_BOTTOM_FIELD); |
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/* Configure the set of references */ |
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pp->UsedForReferenceFlags = 0; |
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pp->NonExistingFrameFlags = 0; |
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for (i = 0, j = 0; i < FF_ARRAY_ELEMS(pp->RefFrameList); i++) { |
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const H264Picture *r; |
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if (j < h->short_ref_count) { |
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r = h->short_ref[j++]; |
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} else { |
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r = NULL; |
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while (!r && j < h->short_ref_count + 16) |
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r = h->long_ref[j++ - h->short_ref_count]; |
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} |
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if (r) { |
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fill_picture_entry(&pp->RefFrameList[i], |
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ff_dxva2_get_surface_index(avctx, ctx, r->f), |
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r->long_ref != 0); |
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if ((r->reference & PICT_TOP_FIELD) && r->field_poc[0] != INT_MAX) |
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pp->FieldOrderCntList[i][0] = r->field_poc[0]; |
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if ((r->reference & PICT_BOTTOM_FIELD) && r->field_poc[1] != INT_MAX) |
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pp->FieldOrderCntList[i][1] = r->field_poc[1]; |
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pp->FrameNumList[i] = r->long_ref ? r->pic_id : r->frame_num; |
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if (r->reference & PICT_TOP_FIELD) |
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pp->UsedForReferenceFlags |= 1 << (2*i + 0); |
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if (r->reference & PICT_BOTTOM_FIELD) |
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pp->UsedForReferenceFlags |= 1 << (2*i + 1); |
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} else { |
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pp->RefFrameList[i].bPicEntry = 0xff; |
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pp->FieldOrderCntList[i][0] = 0; |
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pp->FieldOrderCntList[i][1] = 0; |
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pp->FrameNumList[i] = 0; |
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} |
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} |
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pp->wFrameWidthInMbsMinus1 = h->mb_width - 1; |
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pp->wFrameHeightInMbsMinus1 = h->mb_height - 1; |
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pp->num_ref_frames = sps->ref_frame_count; |
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pp->wBitFields = ((h->picture_structure != PICT_FRAME) << 0) | |
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((sps->mb_aff && |
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(h->picture_structure == PICT_FRAME)) << 1) | |
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(sps->residual_color_transform_flag << 2) | |
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/* sp_for_switch_flag (not implemented by Libav) */ |
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(0 << 3) | |
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(sps->chroma_format_idc << 4) | |
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((h->nal_ref_idc != 0) << 6) | |
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(pps->constrained_intra_pred << 7) | |
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(pps->weighted_pred << 8) | |
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(pps->weighted_bipred_idc << 9) | |
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/* MbsConsecutiveFlag */ |
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(1 << 11) | |
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(sps->frame_mbs_only_flag << 12) | |
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(pps->transform_8x8_mode << 13) | |
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((sps->level_idc >= 31) << 14) | |
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/* IntraPicFlag (Modified if we detect a non |
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* intra slice in dxva2_h264_decode_slice) */ |
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(1 << 15); |
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pp->bit_depth_luma_minus8 = sps->bit_depth_luma - 8; |
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pp->bit_depth_chroma_minus8 = sps->bit_depth_chroma - 8; |
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if (DXVA_CONTEXT_WORKAROUND(avctx, ctx) & FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG) |
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pp->Reserved16Bits = 0; |
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else if (DXVA_CONTEXT_WORKAROUND(avctx, ctx) & FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO) |
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pp->Reserved16Bits = 0x34c; |
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else |
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pp->Reserved16Bits = 3; /* FIXME is there a way to detect the right mode ? */ |
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pp->StatusReportFeedbackNumber = 1 + DXVA_CONTEXT_REPORT_ID(avctx, ctx)++; |
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pp->CurrFieldOrderCnt[0] = 0; |
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if ((h->picture_structure & PICT_TOP_FIELD) && |
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current_picture->field_poc[0] != INT_MAX) |
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pp->CurrFieldOrderCnt[0] = current_picture->field_poc[0]; |
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pp->CurrFieldOrderCnt[1] = 0; |
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if ((h->picture_structure & PICT_BOTTOM_FIELD) && |
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current_picture->field_poc[1] != INT_MAX) |
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pp->CurrFieldOrderCnt[1] = current_picture->field_poc[1]; |
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pp->pic_init_qs_minus26 = pps->init_qs - 26; |
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pp->chroma_qp_index_offset = pps->chroma_qp_index_offset[0]; |
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pp->second_chroma_qp_index_offset = pps->chroma_qp_index_offset[1]; |
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pp->ContinuationFlag = 1; |
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pp->pic_init_qp_minus26 = pps->init_qp - 26; |
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pp->num_ref_idx_l0_active_minus1 = pps->ref_count[0] - 1; |
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pp->num_ref_idx_l1_active_minus1 = pps->ref_count[1] - 1; |
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pp->Reserved8BitsA = 0; |
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pp->frame_num = h->poc.frame_num; |
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pp->log2_max_frame_num_minus4 = sps->log2_max_frame_num - 4; |
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pp->pic_order_cnt_type = sps->poc_type; |
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if (sps->poc_type == 0) |
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pp->log2_max_pic_order_cnt_lsb_minus4 = sps->log2_max_poc_lsb - 4; |
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else if (sps->poc_type == 1) |
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pp->delta_pic_order_always_zero_flag = sps->delta_pic_order_always_zero_flag; |
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pp->direct_8x8_inference_flag = sps->direct_8x8_inference_flag; |
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pp->entropy_coding_mode_flag = pps->cabac; |
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pp->pic_order_present_flag = pps->pic_order_present; |
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pp->num_slice_groups_minus1 = pps->slice_group_count - 1; |
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pp->slice_group_map_type = pps->mb_slice_group_map_type; |
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pp->deblocking_filter_control_present_flag = pps->deblocking_filter_parameters_present; |
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pp->redundant_pic_cnt_present_flag= pps->redundant_pic_cnt_present; |
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pp->Reserved8BitsB = 0; |
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pp->slice_group_change_rate_minus1= 0; /* XXX not implemented by Libav */ |
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//pp->SliceGroupMap[810]; /* XXX not implemented by Libav */ |
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} |
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static void fill_scaling_lists(const AVCodecContext *avctx, AVDXVAContext *ctx, const H264Context *h, DXVA_Qmatrix_H264 *qm) |
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{ |
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unsigned i, j; |
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const PPS *pps = h->ps.pps; |
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memset(qm, 0, sizeof(*qm)); |
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if (DXVA_CONTEXT_WORKAROUND(avctx, ctx) & FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG) { |
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for (i = 0; i < 6; i++) |
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for (j = 0; j < 16; j++) |
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qm->bScalingLists4x4[i][j] = pps->scaling_matrix4[i][j]; |
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for (i = 0; i < 64; i++) { |
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qm->bScalingLists8x8[0][i] = pps->scaling_matrix8[0][i]; |
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qm->bScalingLists8x8[1][i] = pps->scaling_matrix8[3][i]; |
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} |
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} else { |
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for (i = 0; i < 6; i++) |
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for (j = 0; j < 16; j++) |
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qm->bScalingLists4x4[i][j] = pps->scaling_matrix4[i][ff_zigzag_scan[j]]; |
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for (i = 0; i < 64; i++) { |
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qm->bScalingLists8x8[0][i] = pps->scaling_matrix8[0][ff_zigzag_direct[i]]; |
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qm->bScalingLists8x8[1][i] = pps->scaling_matrix8[3][ff_zigzag_direct[i]]; |
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} |
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} |
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} |
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static int is_slice_short(const AVCodecContext *avctx, AVDXVAContext *ctx) |
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{ |
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assert(DXVA_CONTEXT_CFG_BITSTREAM(avctx, ctx) == 1 || |
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DXVA_CONTEXT_CFG_BITSTREAM(avctx, ctx) == 2); |
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return DXVA_CONTEXT_CFG_BITSTREAM(avctx, ctx) == 2; |
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} |
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static void fill_slice_short(DXVA_Slice_H264_Short *slice, |
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unsigned position, unsigned size) |
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{ |
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memset(slice, 0, sizeof(*slice)); |
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slice->BSNALunitDataLocation = position; |
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slice->SliceBytesInBuffer = size; |
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slice->wBadSliceChopping = 0; |
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} |
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static int get_refpic_index(const DXVA_PicParams_H264 *pp, int surface_index) |
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{ |
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int i; |
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for (i = 0; i < FF_ARRAY_ELEMS(pp->RefFrameList); i++) { |
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if ((pp->RefFrameList[i].bPicEntry & 0x7f) == surface_index) |
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return i; |
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} |
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return 0x7f; |
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} |
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static void fill_slice_long(AVCodecContext *avctx, DXVA_Slice_H264_Long *slice, |
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const DXVA_PicParams_H264 *pp, unsigned position, unsigned size) |
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{ |
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const H264Context *h = avctx->priv_data; |
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H264SliceContext *sl = &h->slice_ctx[0]; |
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AVDXVAContext *ctx = DXVA_CONTEXT(avctx); |
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unsigned list; |
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memset(slice, 0, sizeof(*slice)); |
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slice->BSNALunitDataLocation = position; |
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slice->SliceBytesInBuffer = size; |
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slice->wBadSliceChopping = 0; |
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slice->first_mb_in_slice = (sl->mb_y >> FIELD_OR_MBAFF_PICTURE(h)) * h->mb_width + sl->mb_x; |
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slice->NumMbsForSlice = 0; /* XXX it is set once we have all slices */ |
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slice->BitOffsetToSliceData = get_bits_count(&sl->gb); |
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slice->slice_type = ff_h264_get_slice_type(sl); |
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if (sl->slice_type_fixed) |
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slice->slice_type += 5; |
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slice->luma_log2_weight_denom = sl->pwt.luma_log2_weight_denom; |
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slice->chroma_log2_weight_denom = sl->pwt.chroma_log2_weight_denom; |
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if (sl->list_count > 0) |
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slice->num_ref_idx_l0_active_minus1 = sl->ref_count[0] - 1; |
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if (sl->list_count > 1) |
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slice->num_ref_idx_l1_active_minus1 = sl->ref_count[1] - 1; |
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slice->slice_alpha_c0_offset_div2 = sl->slice_alpha_c0_offset / 2; |
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slice->slice_beta_offset_div2 = sl->slice_beta_offset / 2; |
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slice->Reserved8Bits = 0; |
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for (list = 0; list < 2; list++) { |
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unsigned i; |
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for (i = 0; i < FF_ARRAY_ELEMS(slice->RefPicList[list]); i++) { |
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if (list < sl->list_count && i < sl->ref_count[list]) { |
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const H264Picture *r = sl->ref_list[list][i].parent; |
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unsigned plane; |
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unsigned index; |
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if (DXVA_CONTEXT_WORKAROUND(avctx, ctx) & FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO) |
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index = ff_dxva2_get_surface_index(avctx, ctx, r->f); |
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else |
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index = get_refpic_index(pp, ff_dxva2_get_surface_index(avctx, ctx, r->f)); |
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fill_picture_entry(&slice->RefPicList[list][i], index, |
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r->reference == PICT_BOTTOM_FIELD); |
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for (plane = 0; plane < 3; plane++) { |
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int w, o; |
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if (plane == 0 && sl->pwt.luma_weight_flag[list]) { |
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w = sl->pwt.luma_weight[i][list][0]; |
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o = sl->pwt.luma_weight[i][list][1]; |
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} else if (plane >= 1 && sl->pwt.chroma_weight_flag[list]) { |
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w = sl->pwt.chroma_weight[i][list][plane-1][0]; |
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o = sl->pwt.chroma_weight[i][list][plane-1][1]; |
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} else { |
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w = 1 << (plane == 0 ? sl->pwt.luma_log2_weight_denom : |
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sl->pwt.chroma_log2_weight_denom); |
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o = 0; |
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} |
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slice->Weights[list][i][plane][0] = w; |
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slice->Weights[list][i][plane][1] = o; |
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} |
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} else { |
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unsigned plane; |
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slice->RefPicList[list][i].bPicEntry = 0xff; |
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for (plane = 0; plane < 3; plane++) { |
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slice->Weights[list][i][plane][0] = 0; |
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slice->Weights[list][i][plane][1] = 0; |
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} |
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} |
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} |
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} |
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slice->slice_qs_delta = 0; /* XXX not implemented by Libav */ |
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slice->slice_qp_delta = sl->qscale - h->ps.pps->init_qp; |
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slice->redundant_pic_cnt = sl->redundant_pic_count; |
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if (sl->slice_type == AV_PICTURE_TYPE_B) |
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slice->direct_spatial_mv_pred_flag = sl->direct_spatial_mv_pred; |
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slice->cabac_init_idc = h->ps.pps->cabac ? sl->cabac_init_idc : 0; |
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if (sl->deblocking_filter < 2) |
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slice->disable_deblocking_filter_idc = 1 - sl->deblocking_filter; |
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else |
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slice->disable_deblocking_filter_idc = sl->deblocking_filter; |
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slice->slice_id = h->current_slice - 1; |
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} |
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static int commit_bitstream_and_slice_buffer(AVCodecContext *avctx, |
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DECODER_BUFFER_DESC *bs, |
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DECODER_BUFFER_DESC *sc) |
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{ |
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const H264Context *h = avctx->priv_data; |
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const unsigned mb_count = h->mb_width * h->mb_height; |
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AVDXVAContext *ctx = DXVA_CONTEXT(avctx); |
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const H264Picture *current_picture = h->cur_pic_ptr; |
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struct dxva2_picture_context *ctx_pic = current_picture->hwaccel_picture_private; |
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DXVA_Slice_H264_Short *slice = NULL; |
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void *dxva_data_ptr; |
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uint8_t *dxva_data, *current, *end; |
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unsigned dxva_size; |
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void *slice_data; |
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unsigned slice_size; |
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unsigned padding; |
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unsigned i; |
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unsigned type; |
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/* Create an annex B bitstream buffer with only slice NAL and finalize slice */ |
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#if CONFIG_D3D11VA |
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if (ff_dxva2_is_d3d11(avctx)) { |
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type = D3D11_VIDEO_DECODER_BUFFER_BITSTREAM; |
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if (FAILED(ID3D11VideoContext_GetDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, |
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D3D11VA_CONTEXT(ctx)->decoder, |
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type, |
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&dxva_size, &dxva_data_ptr))) |
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return -1; |
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} |
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#endif |
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#if CONFIG_DXVA2 |
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if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) { |
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type = DXVA2_BitStreamDateBufferType; |
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if (FAILED(IDirectXVideoDecoder_GetBuffer(DXVA2_CONTEXT(ctx)->decoder, |
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type, |
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&dxva_data_ptr, &dxva_size))) |
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return -1; |
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} |
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#endif |
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dxva_data = dxva_data_ptr; |
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current = dxva_data; |
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end = dxva_data + dxva_size; |
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for (i = 0; i < ctx_pic->slice_count; i++) { |
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static const uint8_t start_code[] = { 0, 0, 1 }; |
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static const unsigned start_code_size = sizeof(start_code); |
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unsigned position, size; |
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assert(offsetof(DXVA_Slice_H264_Short, BSNALunitDataLocation) == |
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offsetof(DXVA_Slice_H264_Long, BSNALunitDataLocation)); |
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assert(offsetof(DXVA_Slice_H264_Short, SliceBytesInBuffer) == |
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offsetof(DXVA_Slice_H264_Long, SliceBytesInBuffer)); |
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if (is_slice_short(avctx, ctx)) |
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slice = &ctx_pic->slice_short[i]; |
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else |
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slice = (DXVA_Slice_H264_Short*)&ctx_pic->slice_long[i]; |
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position = slice->BSNALunitDataLocation; |
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size = slice->SliceBytesInBuffer; |
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if (start_code_size + size > end - current) { |
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av_log(avctx, AV_LOG_ERROR, "Failed to build bitstream"); |
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break; |
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} |
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slice->BSNALunitDataLocation = current - dxva_data; |
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slice->SliceBytesInBuffer = start_code_size + size; |
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|
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if (!is_slice_short(avctx, ctx)) { |
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DXVA_Slice_H264_Long *slice_long = (DXVA_Slice_H264_Long*)slice; |
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if (i < ctx_pic->slice_count - 1) |
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slice_long->NumMbsForSlice = |
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slice_long[1].first_mb_in_slice - slice_long[0].first_mb_in_slice; |
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else |
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slice_long->NumMbsForSlice = mb_count - slice_long->first_mb_in_slice; |
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} |
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memcpy(current, start_code, start_code_size); |
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current += start_code_size; |
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|
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memcpy(current, &ctx_pic->bitstream[position], size); |
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current += size; |
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} |
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padding = FFMIN(128 - ((current - dxva_data) & 127), end - current); |
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if (slice && padding > 0) { |
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memset(current, 0, padding); |
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current += padding; |
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slice->SliceBytesInBuffer += padding; |
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} |
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#if CONFIG_D3D11VA |
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if (ff_dxva2_is_d3d11(avctx)) |
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if (FAILED(ID3D11VideoContext_ReleaseDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder, type))) |
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return -1; |
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#endif |
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#if CONFIG_DXVA2 |
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if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) |
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if (FAILED(IDirectXVideoDecoder_ReleaseBuffer(DXVA2_CONTEXT(ctx)->decoder, type))) |
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return -1; |
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#endif |
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if (i < ctx_pic->slice_count) |
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return -1; |
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|
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#if CONFIG_D3D11VA |
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if (ff_dxva2_is_d3d11(avctx)) { |
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D3D11_VIDEO_DECODER_BUFFER_DESC *dsc11 = bs; |
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memset(dsc11, 0, sizeof(*dsc11)); |
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dsc11->BufferType = type; |
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dsc11->DataSize = current - dxva_data; |
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dsc11->NumMBsInBuffer = mb_count; |
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|
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type = D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL; |
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} |
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#endif |
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#if CONFIG_DXVA2 |
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if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) { |
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DXVA2_DecodeBufferDesc *dsc2 = bs; |
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memset(dsc2, 0, sizeof(*dsc2)); |
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dsc2->CompressedBufferType = type; |
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dsc2->DataSize = current - dxva_data; |
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dsc2->NumMBsInBuffer = mb_count; |
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|
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type = DXVA2_SliceControlBufferType; |
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} |
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#endif |
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|
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if (is_slice_short(avctx, ctx)) { |
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slice_data = ctx_pic->slice_short; |
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slice_size = ctx_pic->slice_count * sizeof(*ctx_pic->slice_short); |
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} else { |
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slice_data = ctx_pic->slice_long; |
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slice_size = ctx_pic->slice_count * sizeof(*ctx_pic->slice_long); |
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} |
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assert((bs->DataSize & 127) == 0); |
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return ff_dxva2_commit_buffer(avctx, ctx, sc, |
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type, |
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slice_data, slice_size, mb_count); |
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} |
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|
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static int dxva2_h264_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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const H264Context *h = avctx->priv_data; |
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AVDXVAContext *ctx = DXVA_CONTEXT(avctx); |
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struct dxva2_picture_context *ctx_pic = h->cur_pic_ptr->hwaccel_picture_private; |
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if (!DXVA_CONTEXT_VALID(avctx, ctx)) |
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return -1; |
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assert(ctx_pic); |
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/* Fill up DXVA_PicParams_H264 */ |
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fill_picture_parameters(avctx, ctx, h, &ctx_pic->pp); |
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/* Fill up DXVA_Qmatrix_H264 */ |
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fill_scaling_lists(avctx, ctx, h, &ctx_pic->qm); |
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ctx_pic->slice_count = 0; |
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ctx_pic->bitstream_size = 0; |
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ctx_pic->bitstream = NULL; |
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return 0; |
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} |
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static int dxva2_h264_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 H264Context *h = avctx->priv_data; |
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const H264SliceContext *sl = &h->slice_ctx[0]; |
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AVDXVAContext *ctx = DXVA_CONTEXT(avctx); |
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const H264Picture *current_picture = h->cur_pic_ptr; |
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struct dxva2_picture_context *ctx_pic = current_picture->hwaccel_picture_private; |
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unsigned position; |
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if (ctx_pic->slice_count >= MAX_SLICES) |
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return -1; |
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if (!ctx_pic->bitstream) |
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ctx_pic->bitstream = buffer; |
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ctx_pic->bitstream_size += size; |
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position = buffer - ctx_pic->bitstream; |
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if (is_slice_short(avctx, ctx)) |
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fill_slice_short(&ctx_pic->slice_short[ctx_pic->slice_count], |
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position, size); |
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else |
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fill_slice_long(avctx, &ctx_pic->slice_long[ctx_pic->slice_count], |
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&ctx_pic->pp, position, size); |
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ctx_pic->slice_count++; |
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if (sl->slice_type != AV_PICTURE_TYPE_I && sl->slice_type != AV_PICTURE_TYPE_SI) |
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ctx_pic->pp.wBitFields &= ~(1 << 15); /* Set IntraPicFlag to 0 */ |
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return 0; |
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} |
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static int dxva2_h264_end_frame(AVCodecContext *avctx) |
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{ |
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H264Context *h = avctx->priv_data; |
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H264SliceContext *sl = &h->slice_ctx[0]; |
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struct dxva2_picture_context *ctx_pic = |
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h->cur_pic_ptr->hwaccel_picture_private; |
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int ret; |
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if (ctx_pic->slice_count <= 0 || ctx_pic->bitstream_size <= 0) |
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return -1; |
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ret = ff_dxva2_common_end_frame(avctx, h->cur_pic_ptr->f, |
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&ctx_pic->pp, sizeof(ctx_pic->pp), |
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&ctx_pic->qm, sizeof(ctx_pic->qm), |
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commit_bitstream_and_slice_buffer); |
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if (!ret) |
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ff_h264_draw_horiz_band(h, sl, 0, h->avctx->height); |
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return ret; |
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} |
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#if CONFIG_H264_DXVA2_HWACCEL |
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AVHWAccel ff_h264_dxva2_hwaccel = { |
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.name = "h264_dxva2", |
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.type = AVMEDIA_TYPE_VIDEO, |
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.id = AV_CODEC_ID_H264, |
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.pix_fmt = AV_PIX_FMT_DXVA2_VLD, |
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.init = ff_dxva2_decode_init, |
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.uninit = ff_dxva2_decode_uninit, |
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.start_frame = dxva2_h264_start_frame, |
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.decode_slice = dxva2_h264_decode_slice, |
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.end_frame = dxva2_h264_end_frame, |
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.frame_params = ff_dxva2_common_frame_params, |
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.frame_priv_data_size = sizeof(struct dxva2_picture_context), |
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.priv_data_size = sizeof(FFDXVASharedContext), |
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}; |
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#endif |
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#if CONFIG_H264_D3D11VA_HWACCEL |
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AVHWAccel ff_h264_d3d11va_hwaccel = { |
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.name = "h264_d3d11va", |
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.type = AVMEDIA_TYPE_VIDEO, |
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.id = AV_CODEC_ID_H264, |
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.pix_fmt = AV_PIX_FMT_D3D11VA_VLD, |
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.init = ff_dxva2_decode_init, |
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.uninit = ff_dxva2_decode_uninit, |
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.start_frame = dxva2_h264_start_frame, |
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.decode_slice = dxva2_h264_decode_slice, |
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.end_frame = dxva2_h264_end_frame, |
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.frame_params = ff_dxva2_common_frame_params, |
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.frame_priv_data_size = sizeof(struct dxva2_picture_context), |
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.priv_data_size = sizeof(FFDXVASharedContext), |
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}; |
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#endif |
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|
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#if CONFIG_H264_D3D11VA2_HWACCEL |
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AVHWAccel ff_h264_d3d11va2_hwaccel = { |
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.name = "h264_d3d11va2", |
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.type = AVMEDIA_TYPE_VIDEO, |
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.id = AV_CODEC_ID_H264, |
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.pix_fmt = AV_PIX_FMT_D3D11, |
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.init = ff_dxva2_decode_init, |
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.uninit = ff_dxva2_decode_uninit, |
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.start_frame = dxva2_h264_start_frame, |
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.decode_slice = dxva2_h264_decode_slice, |
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.end_frame = dxva2_h264_end_frame, |
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.frame_params = ff_dxva2_common_frame_params, |
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.frame_priv_data_size = sizeof(struct dxva2_picture_context), |
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.priv_data_size = sizeof(FFDXVASharedContext), |
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}; |
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#endif
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