mirror of https://github.com/FFmpeg/FFmpeg.git
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>release/7.0
Wu Jianhua
1 year ago
committed by
Haihao Xiang
parent
cbb93c4ff6
commit
326288c70a
7 changed files with 190 additions and 5 deletions
@ -0,0 +1,171 @@ |
||||
/*
|
||||
* Direct3D 12 VP9 HW acceleration |
||||
* |
||||
* copyright (c) 2022-2023 Wu Jianhua <toqsxw@outlook.com> |
||||
* |
||||
* 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 "config_components.h" |
||||
|
||||
#include "libavutil/avassert.h" |
||||
#include "libavutil/pixdesc.h" |
||||
#include "libavutil/hwcontext_d3d12va_internal.h" |
||||
|
||||
#include "vp9shared.h" |
||||
#include "dxva2_internal.h" |
||||
#include "d3d12va_decode.h" |
||||
|
||||
typedef struct VP9DecodePictureContext { |
||||
DXVA_PicParams_VP9 pp; |
||||
DXVA_Slice_VPx_Short slice; |
||||
const uint8_t *bitstream; |
||||
unsigned bitstream_size; |
||||
} VP9DecodePictureContext; |
||||
|
||||
static void fill_slice_short(DXVA_Slice_VPx_Short *slice, unsigned position, unsigned size) |
||||
{ |
||||
memset(slice, 0, sizeof(*slice)); |
||||
slice->BSNALunitDataLocation = position; |
||||
slice->SliceBytesInBuffer = size; |
||||
slice->wBadSliceChopping = 0; |
||||
} |
||||
|
||||
static int d3d12va_vp9_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size) |
||||
{ |
||||
const VP9SharedContext *h = avctx->priv_data; |
||||
D3D12VADecodeContext *ctx = D3D12VA_DECODE_CONTEXT(avctx); |
||||
VP9DecodePictureContext *ctx_pic = h->frames[CUR_FRAME].hwaccel_picture_private; |
||||
|
||||
if (!ctx) |
||||
return -1; |
||||
|
||||
av_assert0(ctx_pic); |
||||
|
||||
ctx->used_mask = 0; |
||||
|
||||
if (ff_dxva2_vp9_fill_picture_parameters(avctx, (AVDXVAContext *)ctx, &ctx_pic->pp) < 0) |
||||
return -1; |
||||
|
||||
ctx_pic->bitstream_size = 0; |
||||
ctx_pic->bitstream = NULL; |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
static int d3d12va_vp9_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size) |
||||
{ |
||||
const VP9SharedContext *h = avctx->priv_data; |
||||
VP9DecodePictureContext *ctx_pic = h->frames[CUR_FRAME].hwaccel_picture_private; |
||||
unsigned position; |
||||
|
||||
if (!ctx_pic->bitstream) |
||||
ctx_pic->bitstream = buffer; |
||||
ctx_pic->bitstream_size += size; |
||||
|
||||
position = buffer - ctx_pic->bitstream; |
||||
fill_slice_short(&ctx_pic->slice, position, size); |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
static int update_input_arguments(AVCodecContext *avctx, D3D12_VIDEO_DECODE_INPUT_STREAM_ARGUMENTS *input_args, ID3D12Resource *buffer) |
||||
{ |
||||
D3D12VADecodeContext *ctx = D3D12VA_DECODE_CONTEXT(avctx); |
||||
AVHWFramesContext *frames_ctx = D3D12VA_FRAMES_CONTEXT(avctx); |
||||
AVD3D12VAFramesContext *frames_hwctx = frames_ctx->hwctx; |
||||
|
||||
const VP9SharedContext *h = avctx->priv_data; |
||||
VP9DecodePictureContext *ctx_pic = h->frames[CUR_FRAME].hwaccel_picture_private; |
||||
|
||||
uint8_t *mapped_data; |
||||
D3D12_VIDEO_DECODE_FRAME_ARGUMENT *args; |
||||
|
||||
if (FAILED(ID3D12Resource_Map(buffer, 0, NULL, &mapped_data))) { |
||||
av_log(avctx, AV_LOG_ERROR, "Failed to map D3D12 Buffer resource!\n"); |
||||
return AVERROR(EINVAL); |
||||
} |
||||
|
||||
args = &input_args->FrameArguments[input_args->NumFrameArguments++]; |
||||
args->Type = D3D12_VIDEO_DECODE_ARGUMENT_TYPE_SLICE_CONTROL; |
||||
args->Size = sizeof(ctx_pic->slice); |
||||
args->pData = &ctx_pic->slice; |
||||
|
||||
memcpy(mapped_data, ctx_pic->bitstream, ctx_pic->slice.SliceBytesInBuffer); |
||||
|
||||
ID3D12Resource_Unmap(buffer, 0, NULL); |
||||
|
||||
input_args->CompressedBitstream = (D3D12_VIDEO_DECODE_COMPRESSED_BITSTREAM){ |
||||
.pBuffer = buffer, |
||||
.Offset = 0, |
||||
.Size = ctx_pic->slice.SliceBytesInBuffer, |
||||
}; |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
static int d3d12va_vp9_end_frame(AVCodecContext *avctx) |
||||
{ |
||||
VP9SharedContext *h = avctx->priv_data; |
||||
VP9DecodePictureContext *ctx_pic = h->frames[CUR_FRAME].hwaccel_picture_private; |
||||
|
||||
if (ctx_pic->bitstream_size <= 0) |
||||
return -1; |
||||
|
||||
return ff_d3d12va_common_end_frame(avctx, h->frames[CUR_FRAME].tf.f, |
||||
&ctx_pic->pp, sizeof(ctx_pic->pp), NULL, 0, update_input_arguments); |
||||
} |
||||
|
||||
static int d3d12va_vp9_decode_init(AVCodecContext *avctx) |
||||
{ |
||||
D3D12VADecodeContext *ctx = D3D12VA_DECODE_CONTEXT(avctx); |
||||
DXVA_PicParams_VP9 pp; |
||||
|
||||
switch (avctx->profile) { |
||||
case FF_PROFILE_VP9_2: |
||||
case FF_PROFILE_VP9_3: |
||||
ctx->cfg.DecodeProfile = D3D12_VIDEO_DECODE_PROFILE_VP9_10BIT_PROFILE2; |
||||
break; |
||||
|
||||
case FF_PROFILE_VP9_0: |
||||
case FF_PROFILE_VP9_1: |
||||
default: |
||||
ctx->cfg.DecodeProfile = D3D12_VIDEO_DECODE_PROFILE_VP9; |
||||
break; |
||||
}; |
||||
|
||||
ctx->max_num_ref = FF_ARRAY_ELEMS(pp.frame_refs) + 1; |
||||
|
||||
return ff_d3d12va_decode_init(avctx); |
||||
} |
||||
|
||||
#if CONFIG_VP9_D3D12VA_HWACCEL |
||||
const FFHWAccel ff_vp9_d3d12va_hwaccel = { |
||||
.p.name = "vp9_d3d12va", |
||||
.p.type = AVMEDIA_TYPE_VIDEO, |
||||
.p.id = AV_CODEC_ID_VP9, |
||||
.p.pix_fmt = AV_PIX_FMT_D3D12, |
||||
.init = d3d12va_vp9_decode_init, |
||||
.uninit = ff_d3d12va_decode_uninit, |
||||
.start_frame = d3d12va_vp9_start_frame, |
||||
.decode_slice = d3d12va_vp9_decode_slice, |
||||
.end_frame = d3d12va_vp9_end_frame, |
||||
.frame_params = ff_d3d12va_common_frame_params, |
||||
.frame_priv_data_size = sizeof(VP9DecodePictureContext), |
||||
.priv_data_size = sizeof(D3D12VADecodeContext), |
||||
}; |
||||
#endif |
||||
Loading…
Reference in new issue