avcodec: add D3D12VA hardware accelerated MPEG-2 decoding
The command below is how to enable d3d12va: ffmpeg -hwaccel d3d12va -i input.mp4 output.mp4 Signed-off-by: Wu Jianhua <toqsxw@outlook.com> Signed-off-by: Tong Wu <tong1.wu@intel.com>
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2
configure
vendored
2
configure
vendored
@ -3132,6 +3132,8 @@ mpeg2_d3d11va_hwaccel_deps="d3d11va"
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mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
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mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
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mpeg2_d3d11va2_hwaccel_deps="d3d11va"
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mpeg2_d3d11va2_hwaccel_deps="d3d11va"
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mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
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mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
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mpeg2_d3d12va_hwaccel_deps="d3d12va"
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mpeg2_d3d12va_hwaccel_select="mpeg2video_decoder"
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mpeg2_dxva2_hwaccel_deps="dxva2"
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mpeg2_dxva2_hwaccel_deps="dxva2"
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mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
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mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
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mpeg2_nvdec_hwaccel_deps="nvdec"
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mpeg2_nvdec_hwaccel_deps="nvdec"
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@ -1027,6 +1027,7 @@ OBJS-$(CONFIG_MPEG1_VDPAU_HWACCEL) += vdpau_mpeg12.o
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OBJS-$(CONFIG_MPEG1_VIDEOTOOLBOX_HWACCEL) += videotoolbox.o
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OBJS-$(CONFIG_MPEG1_VIDEOTOOLBOX_HWACCEL) += videotoolbox.o
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OBJS-$(CONFIG_MPEG2_D3D11VA_HWACCEL) += dxva2_mpeg2.o
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OBJS-$(CONFIG_MPEG2_D3D11VA_HWACCEL) += dxva2_mpeg2.o
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OBJS-$(CONFIG_MPEG2_DXVA2_HWACCEL) += dxva2_mpeg2.o
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OBJS-$(CONFIG_MPEG2_DXVA2_HWACCEL) += dxva2_mpeg2.o
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OBJS-$(CONFIG_MPEG2_D3D12VA_HWACCEL) += dxva2_mpeg2.o d3d12va_mpeg2.o
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OBJS-$(CONFIG_MPEG2_NVDEC_HWACCEL) += nvdec_mpeg12.o
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OBJS-$(CONFIG_MPEG2_NVDEC_HWACCEL) += nvdec_mpeg12.o
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OBJS-$(CONFIG_MPEG2_QSV_HWACCEL) += qsvdec.o
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OBJS-$(CONFIG_MPEG2_QSV_HWACCEL) += qsvdec.o
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OBJS-$(CONFIG_MPEG2_VAAPI_HWACCEL) += vaapi_mpeg2.o
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OBJS-$(CONFIG_MPEG2_VAAPI_HWACCEL) += vaapi_mpeg2.o
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191
libavcodec/d3d12va_mpeg2.c
Normal file
191
libavcodec/d3d12va_mpeg2.c
Normal file
@ -0,0 +1,191 @@
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/*
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* Direct3D12 MPEG-2 HW acceleration
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*
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* copyright (c) 2022-2023 Wu Jianhua <toqsxw@outlook.com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "config_components.h"
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#include "libavutil/avassert.h"
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#include "libavutil/hwcontext_d3d12va_internal.h"
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#include "mpegutils.h"
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#include "mpegvideodec.h"
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#include "d3d12va_decode.h"
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#include "dxva2_internal.h"
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#define MAX_SLICES 1024
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#define INVALID_REF 0xffff
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#define REF_RESOURCE(index) if (index != INVALID_REF) { \
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ctx->ref_resources[index] = frames_hwctx->texture_infos[index].texture; \
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}
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typedef struct D3D12DecodePictureContext {
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DXVA_PictureParameters pp;
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DXVA_QmatrixData qm;
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unsigned slice_count;
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DXVA_SliceInfo slices[MAX_SLICES];
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const uint8_t *bitstream;
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unsigned bitstream_size;
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} D3D12DecodePictureContext;
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static int d3d12va_mpeg2_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
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{
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const MpegEncContext *s = avctx->priv_data;
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D3D12VADecodeContext *ctx = D3D12VA_DECODE_CONTEXT(avctx);
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D3D12DecodePictureContext *ctx_pic = s->current_picture_ptr->hwaccel_picture_private;
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DXVA_QmatrixData *qm = &ctx_pic->qm;
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if (!ctx)
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return -1;
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av_assert0(ctx_pic);
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ctx->used_mask = 0;
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ff_dxva2_mpeg2_fill_picture_parameters(avctx, (AVDXVAContext *)ctx, &ctx_pic->pp);
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ff_dxva2_mpeg2_fill_quantization_matrices(avctx, (AVDXVAContext *)ctx, &ctx_pic->qm);
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// Post processing operations are not supported in D3D12 Video
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ctx_pic->pp.wDeblockedPictureIndex = INVALID_REF;
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ctx_pic->bitstream = NULL;
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ctx_pic->bitstream_size = 0;
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ctx_pic->slice_count = 0;
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return 0;
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}
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static int d3d12va_mpeg2_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
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{
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const MpegEncContext *s = avctx->priv_data;
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D3D12DecodePictureContext *ctx_pic = s->current_picture_ptr->hwaccel_picture_private;
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int is_field = s->picture_structure != PICT_FRAME;
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if (ctx_pic->slice_count >= MAX_SLICES) {
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return AVERROR(ERANGE);
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}
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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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ff_dxva2_mpeg2_fill_slice(avctx, &ctx_pic->slices[ctx_pic->slice_count++],
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buffer - ctx_pic->bitstream, buffer, size);
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return 0;
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}
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static int update_input_arguments(AVCodecContext *avctx, D3D12_VIDEO_DECODE_INPUT_STREAM_ARGUMENTS *input_args, ID3D12Resource *buffer)
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{
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D3D12VADecodeContext *ctx = D3D12VA_DECODE_CONTEXT(avctx);
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AVHWFramesContext *frames_ctx = D3D12VA_FRAMES_CONTEXT(avctx);
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AVD3D12VAFramesContext *frames_hwctx = frames_ctx->hwctx;
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const MpegEncContext *s = avctx->priv_data;
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D3D12DecodePictureContext *ctx_pic = s->current_picture_ptr->hwaccel_picture_private;
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const int is_field = s->picture_structure != PICT_FRAME;
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const unsigned mb_count = s->mb_width * (s->mb_height >> is_field);
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int i;
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uint8_t *mapped_data = NULL;
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D3D12_VIDEO_DECODE_FRAME_ARGUMENT *args = &input_args->FrameArguments[input_args->NumFrameArguments++];
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D3D12_RANGE range = {
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.Begin = 0,
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.End = ctx_pic->bitstream_size,
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};
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if (FAILED(ID3D12Resource_Map(buffer, 0, &range, &mapped_data))) {
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av_log(avctx, AV_LOG_ERROR, "Failed to map D3D12 Buffer resource!\n");
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return AVERROR(EINVAL);
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}
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for (i = 0; i < ctx_pic->slice_count; i++) {
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DXVA_SliceInfo *slice = &ctx_pic->slices[i];
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if (i < ctx_pic->slice_count - 1)
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slice->wNumberMBsInSlice = slice[1].wNumberMBsInSlice - slice[0].wNumberMBsInSlice;
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else
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slice->wNumberMBsInSlice = mb_count - slice[0].wNumberMBsInSlice;
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}
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memcpy(mapped_data, ctx_pic->bitstream, ctx_pic->bitstream_size);
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ID3D12Resource_Unmap(buffer, 0, &range);
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args->Type = D3D12_VIDEO_DECODE_ARGUMENT_TYPE_SLICE_CONTROL;
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args->Size = sizeof(DXVA_SliceInfo) * ctx_pic->slice_count;
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args->pData = ctx_pic->slices;
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input_args->CompressedBitstream = (D3D12_VIDEO_DECODE_COMPRESSED_BITSTREAM){
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.pBuffer = buffer,
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.Offset = 0,
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.Size = ctx_pic->bitstream_size,
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};
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return 0;
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}
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static int d3d12va_mpeg2_end_frame(AVCodecContext *avctx)
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{
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int ret;
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MpegEncContext *s = avctx->priv_data;
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D3D12VADecodeContext *ctx = D3D12VA_DECODE_CONTEXT(avctx);
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D3D12DecodePictureContext *ctx_pic = s->current_picture_ptr->hwaccel_picture_private;
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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_d3d12va_common_end_frame(avctx, s->current_picture_ptr->f, &ctx_pic->pp, sizeof(ctx_pic->pp),
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&ctx_pic->qm, sizeof(ctx_pic->qm), update_input_arguments);
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if (!ret)
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ff_mpeg_draw_horiz_band(s, 0, avctx->height);
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return ret;
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}
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static int d3d12va_mpeg2_decode_init(AVCodecContext *avctx)
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{
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const MpegEncContext *s = avctx->priv_data;
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D3D12VADecodeContext *ctx = D3D12VA_DECODE_CONTEXT(avctx);
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ctx->cfg.DecodeProfile = D3D12_VIDEO_DECODE_PROFILE_MPEG2;
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ctx->max_num_ref = 3;
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return ff_d3d12va_decode_init(avctx);
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}
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#if CONFIG_MPEG2_D3D12VA_HWACCEL
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const FFHWAccel ff_mpeg2_d3d12va_hwaccel = {
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.p.name = "mpeg2_d3d12va",
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.p.type = AVMEDIA_TYPE_VIDEO,
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.p.id = AV_CODEC_ID_MPEG2VIDEO,
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.p.pix_fmt = AV_PIX_FMT_D3D12,
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.init = d3d12va_mpeg2_decode_init,
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.uninit = ff_d3d12va_decode_uninit,
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.start_frame = d3d12va_mpeg2_start_frame,
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.decode_slice = d3d12va_mpeg2_decode_slice,
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.end_frame = d3d12va_mpeg2_end_frame,
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.frame_params = ff_d3d12va_common_frame_params,
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.frame_priv_data_size = sizeof(D3D12DecodePictureContext),
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.priv_data_size = sizeof(D3D12VADecodeContext),
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};
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#endif
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@ -181,4 +181,10 @@ int ff_dxva2_vp9_fill_picture_parameters(const AVCodecContext *avctx, AVDXVACont
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int ff_dxva2_av1_fill_picture_parameters(const AVCodecContext *avctx, AVDXVAContext *ctx, DXVA_PicParams_AV1 *pp);
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int ff_dxva2_av1_fill_picture_parameters(const AVCodecContext *avctx, AVDXVAContext *ctx, DXVA_PicParams_AV1 *pp);
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#endif
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#endif
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void ff_dxva2_mpeg2_fill_picture_parameters(AVCodecContext *avctx, AVDXVAContext *ctx, DXVA_PictureParameters *pp);
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void ff_dxva2_mpeg2_fill_quantization_matrices(AVCodecContext *avctx, AVDXVAContext *ctx, DXVA_QmatrixData *qm);
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void ff_dxva2_mpeg2_fill_slice(AVCodecContext *avctx, DXVA_SliceInfo *slice, unsigned position, const uint8_t *buffer, unsigned size);
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#endif /* AVCODEC_DXVA2_INTERNAL_H */
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#endif /* AVCODEC_DXVA2_INTERNAL_H */
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@ -40,16 +40,15 @@ struct dxva2_picture_context {
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unsigned bitstream_size;
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unsigned bitstream_size;
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};
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};
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static void fill_picture_parameters(AVCodecContext *avctx,
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void ff_dxva2_mpeg2_fill_picture_parameters(AVCodecContext *avctx,
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AVDXVAContext *ctx,
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AVDXVAContext *ctx,
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const struct MpegEncContext *s,
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DXVA_PictureParameters *pp)
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DXVA_PictureParameters *pp)
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{
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{
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const struct MpegEncContext *s = avctx->priv_data;
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const Picture *current_picture = s->current_picture_ptr;
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const Picture *current_picture = s->current_picture_ptr;
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int is_field = s->picture_structure != PICT_FRAME;
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int is_field = s->picture_structure != PICT_FRAME;
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memset(pp, 0, sizeof(*pp));
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memset(pp, 0, sizeof(*pp));
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pp->wDecodedPictureIndex = ff_dxva2_get_surface_index(avctx, ctx, current_picture->f, 1);
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pp->wDeblockedPictureIndex = 0;
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pp->wDeblockedPictureIndex = 0;
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if (s->pict_type != AV_PICTURE_TYPE_I)
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if (s->pict_type != AV_PICTURE_TYPE_I)
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pp->wForwardRefPictureIndex = ff_dxva2_get_surface_index(avctx, ctx, s->last_picture.f, 0);
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pp->wForwardRefPictureIndex = ff_dxva2_get_surface_index(avctx, ctx, s->last_picture.f, 0);
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@ -59,6 +58,7 @@ static void fill_picture_parameters(AVCodecContext *avctx,
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pp->wBackwardRefPictureIndex = ff_dxva2_get_surface_index(avctx, ctx, s->next_picture.f, 0);
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pp->wBackwardRefPictureIndex = ff_dxva2_get_surface_index(avctx, ctx, s->next_picture.f, 0);
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else
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else
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pp->wBackwardRefPictureIndex = 0xffff;
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pp->wBackwardRefPictureIndex = 0xffff;
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pp->wDecodedPictureIndex = ff_dxva2_get_surface_index(avctx, ctx, current_picture->f, 1);
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pp->wPicWidthInMBminus1 = s->mb_width - 1;
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pp->wPicWidthInMBminus1 = s->mb_width - 1;
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pp->wPicHeightInMBminus1 = (s->mb_height >> is_field) - 1;
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pp->wPicHeightInMBminus1 = (s->mb_height >> is_field) - 1;
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pp->bMacroblockWidthMinus1 = 15;
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pp->bMacroblockWidthMinus1 = 15;
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@ -106,11 +106,11 @@ static void fill_picture_parameters(AVCodecContext *avctx,
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pp->bBitstreamConcealmentMethod = 0;
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pp->bBitstreamConcealmentMethod = 0;
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}
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}
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static void fill_quantization_matrices(AVCodecContext *avctx,
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void ff_dxva2_mpeg2_fill_quantization_matrices(AVCodecContext *avctx,
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AVDXVAContext *ctx,
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AVDXVAContext *ctx,
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const struct MpegEncContext *s,
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DXVA_QmatrixData *qm)
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DXVA_QmatrixData *qm)
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{
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{
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const struct MpegEncContext *s = avctx->priv_data;
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int i;
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int i;
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for (i = 0; i < 4; i++)
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for (i = 0; i < 4; i++)
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qm->bNewQmatrix[i] = 1;
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qm->bNewQmatrix[i] = 1;
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@ -123,12 +123,12 @@ static void fill_quantization_matrices(AVCodecContext *avctx,
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}
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}
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}
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}
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static void fill_slice(AVCodecContext *avctx,
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void ff_dxva2_mpeg2_fill_slice(AVCodecContext *avctx,
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const struct MpegEncContext *s,
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DXVA_SliceInfo *slice,
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DXVA_SliceInfo *slice,
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unsigned position,
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unsigned position,
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const uint8_t *buffer, unsigned size)
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const uint8_t *buffer, unsigned size)
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{
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{
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const struct MpegEncContext *s = avctx->priv_data;
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int is_field = s->picture_structure != PICT_FRAME;
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int is_field = s->picture_structure != PICT_FRAME;
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GetBitContext gb;
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GetBitContext gb;
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@ -266,8 +266,8 @@ static int dxva2_mpeg2_start_frame(AVCodecContext *avctx,
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return -1;
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return -1;
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assert(ctx_pic);
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assert(ctx_pic);
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fill_picture_parameters(avctx, ctx, s, &ctx_pic->pp);
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ff_dxva2_mpeg2_fill_picture_parameters(avctx, ctx, &ctx_pic->pp);
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fill_quantization_matrices(avctx, ctx, s, &ctx_pic->qm);
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ff_dxva2_mpeg2_fill_quantization_matrices(avctx, ctx, &ctx_pic->qm);
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|
||||||
ctx_pic->slice_count = 0;
|
ctx_pic->slice_count = 0;
|
||||||
ctx_pic->bitstream_size = 0;
|
ctx_pic->bitstream_size = 0;
|
||||||
@ -293,7 +293,7 @@ static int dxva2_mpeg2_decode_slice(AVCodecContext *avctx,
|
|||||||
ctx_pic->bitstream_size += size;
|
ctx_pic->bitstream_size += size;
|
||||||
|
|
||||||
position = buffer - ctx_pic->bitstream;
|
position = buffer - ctx_pic->bitstream;
|
||||||
fill_slice(avctx, s, &ctx_pic->slice[ctx_pic->slice_count++], position,
|
ff_dxva2_mpeg2_fill_slice(avctx, &ctx_pic->slice[ctx_pic->slice_count++], position,
|
||||||
buffer, size);
|
buffer, size);
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
@ -54,6 +54,7 @@ extern const struct FFHWAccel ff_mpeg1_vdpau_hwaccel;
|
|||||||
extern const struct FFHWAccel ff_mpeg1_videotoolbox_hwaccel;
|
extern const struct FFHWAccel ff_mpeg1_videotoolbox_hwaccel;
|
||||||
extern const struct FFHWAccel ff_mpeg2_d3d11va_hwaccel;
|
extern const struct FFHWAccel ff_mpeg2_d3d11va_hwaccel;
|
||||||
extern const struct FFHWAccel ff_mpeg2_d3d11va2_hwaccel;
|
extern const struct FFHWAccel ff_mpeg2_d3d11va2_hwaccel;
|
||||||
|
extern const struct FFHWAccel ff_mpeg2_d3d12va_hwaccel;
|
||||||
extern const struct FFHWAccel ff_mpeg2_dxva2_hwaccel;
|
extern const struct FFHWAccel ff_mpeg2_dxva2_hwaccel;
|
||||||
extern const struct FFHWAccel ff_mpeg2_nvdec_hwaccel;
|
extern const struct FFHWAccel ff_mpeg2_nvdec_hwaccel;
|
||||||
extern const struct FFHWAccel ff_mpeg2_vaapi_hwaccel;
|
extern const struct FFHWAccel ff_mpeg2_vaapi_hwaccel;
|
||||||
|
@ -850,6 +850,9 @@ static const enum AVPixelFormat mpeg2_hwaccel_pixfmt_list_420[] = {
|
|||||||
AV_PIX_FMT_D3D11VA_VLD,
|
AV_PIX_FMT_D3D11VA_VLD,
|
||||||
AV_PIX_FMT_D3D11,
|
AV_PIX_FMT_D3D11,
|
||||||
#endif
|
#endif
|
||||||
|
#if CONFIG_MPEG2_D3D12VA_HWACCEL
|
||||||
|
AV_PIX_FMT_D3D12,
|
||||||
|
#endif
|
||||||
#if CONFIG_MPEG2_VAAPI_HWACCEL
|
#if CONFIG_MPEG2_VAAPI_HWACCEL
|
||||||
AV_PIX_FMT_VAAPI,
|
AV_PIX_FMT_VAAPI,
|
||||||
#endif
|
#endif
|
||||||
@ -2620,6 +2623,9 @@ const FFCodec ff_mpeg2video_decoder = {
|
|||||||
#if CONFIG_MPEG2_D3D11VA2_HWACCEL
|
#if CONFIG_MPEG2_D3D11VA2_HWACCEL
|
||||||
HWACCEL_D3D11VA2(mpeg2),
|
HWACCEL_D3D11VA2(mpeg2),
|
||||||
#endif
|
#endif
|
||||||
|
#if CONFIG_MPEG2_D3D12VA_HWACCEL
|
||||||
|
HWACCEL_D3D12VA(mpeg2),
|
||||||
|
#endif
|
||||||
#if CONFIG_MPEG2_NVDEC_HWACCEL
|
#if CONFIG_MPEG2_NVDEC_HWACCEL
|
||||||
HWACCEL_NVDEC(mpeg2),
|
HWACCEL_NVDEC(mpeg2),
|
||||||
#endif
|
#endif
|
||||||
|
Loading…
Reference in New Issue
Block a user