[FFmpeg-devel] [PATCH v7 4/9] avcodec: add D3D12VA hardware accelerated VP9 decoding
Tong Wu
tong1.wu at intel.com
Tue Aug 29 07:10:25 EEST 2023
From: Wu Jianhua <toqsxw at outlook.com>
The command below is how to enable d3d12va:
ffmpeg -hwaccel d3d12va -i input.mp4 output.mp4
Signed-off-by: Wu Jianhua <toqsxw at outlook.com>
Signed-off-by: Tong Wu <tong1.wu at intel.com>
---
configure | 2 +
libavcodec/Makefile | 1 +
libavcodec/d3d12va_vp9.c | 176 ++++++++++++++++++++++++++++++++++++
libavcodec/dxva2_internal.h | 2 +
libavcodec/dxva2_vp9.c | 7 +-
libavcodec/hwaccels.h | 1 +
libavcodec/vp9.c | 7 ++
7 files changed, 193 insertions(+), 3 deletions(-)
create mode 100644 libavcodec/d3d12va_vp9.c
diff --git a/configure b/configure
index 5b471e6090..572f0c3767 100755
--- a/configure
+++ b/configure
@@ -3174,6 +3174,8 @@ vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
vp9_d3d11va_hwaccel_select="vp9_decoder"
vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
vp9_d3d11va2_hwaccel_select="vp9_decoder"
+vp9_d3d12va_hwaccel_deps="d3d12va DXVA_PicParams_VP9"
+vp9_d3d12va_hwaccel_select="vp9_decoder"
vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
vp9_dxva2_hwaccel_select="vp9_decoder"
vp9_nvdec_hwaccel_deps="nvdec"
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index eaebfc27cd..f0b9bdb9e6 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -1041,6 +1041,7 @@ OBJS-$(CONFIG_VP8_NVDEC_HWACCEL) += nvdec_vp8.o
OBJS-$(CONFIG_VP8_VAAPI_HWACCEL) += vaapi_vp8.o
OBJS-$(CONFIG_VP9_D3D11VA_HWACCEL) += dxva2_vp9.o
OBJS-$(CONFIG_VP9_DXVA2_HWACCEL) += dxva2_vp9.o
+OBJS-$(CONFIG_VP9_D3D12VA_HWACCEL) += dxva2_vp9.o d3d12va_vp9.o
OBJS-$(CONFIG_VP9_NVDEC_HWACCEL) += nvdec_vp9.o
OBJS-$(CONFIG_VP9_VAAPI_HWACCEL) += vaapi_vp9.o
OBJS-$(CONFIG_VP9_VDPAU_HWACCEL) += vdpau_vp9.o
diff --git a/libavcodec/d3d12va_vp9.c b/libavcodec/d3d12va_vp9.c
new file mode 100644
index 0000000000..6ff0c5400d
--- /dev/null
+++ b/libavcodec/d3d12va_vp9.c
@@ -0,0 +1,176 @@
+/*
+ * Direct3D 12 VP9 HW acceleration
+ *
+ * copyright (c) 2022-2023 Wu Jianhua <toqsxw at 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);
+
+ 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;
+
+ int index;
+ 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,
+ };
+
+ index = ctx_pic->pp.CurrPic.Index7Bits;
+ ctx->ref_resources[index] = frames_hwctx->texture_infos[index].texture;
+
+ for (int i = 0; i < FF_ARRAY_ELEMS(ctx_pic->pp.frame_refs); i++) {
+ index = ctx_pic->pp.frame_refs[i].Index7Bits;
+ if (index != 0x7f)
+ ctx->ref_resources[index] = frames_hwctx->texture_infos[index].texture;
+ }
+
+ 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);
+
+ 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;
+ };
+
+ 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
diff --git a/libavcodec/dxva2_internal.h b/libavcodec/dxva2_internal.h
index f06ea75c60..1c361929f1 100644
--- a/libavcodec/dxva2_internal.h
+++ b/libavcodec/dxva2_internal.h
@@ -170,4 +170,6 @@ void ff_dxva2_hevc_fill_picture_parameters(const AVCodecContext *avctx, AVDXVACo
void ff_dxva2_hevc_fill_scaling_lists(const AVCodecContext *avctx, AVDXVAContext *ctx, DXVA_Qmatrix_HEVC *qm);
+int ff_dxva2_vp9_fill_picture_parameters(const AVCodecContext *avctx, AVDXVAContext *ctx, DXVA_PicParams_VP9 *pp);
+
#endif /* AVCODEC_DXVA2_INTERNAL_H */
diff --git a/libavcodec/dxva2_vp9.c b/libavcodec/dxva2_vp9.c
index eba4df9031..2fdb184cea 100644
--- a/libavcodec/dxva2_vp9.c
+++ b/libavcodec/dxva2_vp9.c
@@ -43,11 +43,12 @@ static void fill_picture_entry(DXVA_PicEntry_VPx *pic,
pic->bPicEntry = index | (flag << 7);
}
-static int fill_picture_parameters(const AVCodecContext *avctx, AVDXVAContext *ctx, const VP9SharedContext *h,
+int ff_dxva2_vp9_fill_picture_parameters(const AVCodecContext *avctx, AVDXVAContext *ctx,
DXVA_PicParams_VP9 *pp)
{
+ const VP9SharedContext *h = avctx->priv_data;
+ const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(avctx->sw_pix_fmt);
int i;
- const AVPixFmtDescriptor * pixdesc = av_pix_fmt_desc_get(avctx->sw_pix_fmt);
if (!pixdesc)
return -1;
@@ -265,7 +266,7 @@ static int dxva2_vp9_start_frame(AVCodecContext *avctx,
av_assert0(ctx_pic);
/* Fill up DXVA_PicParams_VP9 */
- if (fill_picture_parameters(avctx, ctx, h, &ctx_pic->pp) < 0)
+ if (ff_dxva2_vp9_fill_picture_parameters(avctx, ctx, &ctx_pic->pp) < 0)
return -1;
ctx_pic->bitstream_size = 0;
diff --git a/libavcodec/hwaccels.h b/libavcodec/hwaccels.h
index 6b71919b0a..1344b84326 100644
--- a/libavcodec/hwaccels.h
+++ b/libavcodec/hwaccels.h
@@ -73,6 +73,7 @@ extern const struct FFHWAccel ff_vp8_nvdec_hwaccel;
extern const struct FFHWAccel ff_vp8_vaapi_hwaccel;
extern const struct FFHWAccel ff_vp9_d3d11va_hwaccel;
extern const struct FFHWAccel ff_vp9_d3d11va2_hwaccel;
+extern const struct FFHWAccel ff_vp9_d3d12va_hwaccel;
extern const struct FFHWAccel ff_vp9_dxva2_hwaccel;
extern const struct FFHWAccel ff_vp9_nvdec_hwaccel;
extern const struct FFHWAccel ff_vp9_vaapi_hwaccel;
diff --git a/libavcodec/vp9.c b/libavcodec/vp9.c
index 89f7549ef0..7b6e5e7c71 100644
--- a/libavcodec/vp9.c
+++ b/libavcodec/vp9.c
@@ -181,6 +181,7 @@ static int update_size(AVCodecContext *avctx, int w, int h)
{
#define HWACCEL_MAX (CONFIG_VP9_DXVA2_HWACCEL + \
CONFIG_VP9_D3D11VA_HWACCEL * 2 + \
+ CONFIG_VP9_D3D12VA_HWACCEL + \
CONFIG_VP9_NVDEC_HWACCEL + \
CONFIG_VP9_VAAPI_HWACCEL + \
CONFIG_VP9_VDPAU_HWACCEL + \
@@ -207,6 +208,9 @@ static int update_size(AVCodecContext *avctx, int w, int h)
*fmtp++ = AV_PIX_FMT_D3D11VA_VLD;
*fmtp++ = AV_PIX_FMT_D3D11;
#endif
+#if CONFIG_VP9_D3D12VA_HWACCEL
+ *fmtp++ = AV_PIX_FMT_D3D12;
+#endif
#if CONFIG_VP9_NVDEC_HWACCEL
*fmtp++ = AV_PIX_FMT_CUDA;
#endif
@@ -1908,6 +1912,9 @@ const FFCodec ff_vp9_decoder = {
#if CONFIG_VP9_D3D11VA2_HWACCEL
HWACCEL_D3D11VA2(vp9),
#endif
+#if CONFIG_VP9_D3D12VA_HWACCEL
+ HWACCEL_D3D12VA(vp9),
+#endif
#if CONFIG_VP9_NVDEC_HWACCEL
HWACCEL_NVDEC(vp9),
#endif
--
2.41.0.windows.1
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