[FFmpeg-devel] [PATCH v8 7/9] avcodec: add D3D12VA hardware accelerated VC1 decoding
Tong Wu
tong1.wu at intel.com
Wed Aug 30 05:58:24 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 | 3 +
libavcodec/Makefile | 1 +
libavcodec/d3d12va_vc1.c | 214 ++++++++++++++++++++++++++++++++++++
libavcodec/dxva2_internal.h | 4 +
libavcodec/dxva2_vc1.c | 11 +-
libavcodec/hwaccels.h | 2 +
libavcodec/vc1dec.c | 9 ++
7 files changed, 239 insertions(+), 5 deletions(-)
create mode 100644 libavcodec/d3d12va_vc1.c
diff --git a/configure b/configure
index 6c443ed420..97f4b91318 100755
--- a/configure
+++ b/configure
@@ -3162,6 +3162,8 @@ vc1_d3d11va_hwaccel_deps="d3d11va"
vc1_d3d11va_hwaccel_select="vc1_decoder"
vc1_d3d11va2_hwaccel_deps="d3d11va"
vc1_d3d11va2_hwaccel_select="vc1_decoder"
+vc1_d3d12va_hwaccel_deps="d3d12va"
+vc1_d3d12va_hwaccel_select="vc1_decoder"
vc1_dxva2_hwaccel_deps="dxva2"
vc1_dxva2_hwaccel_select="vc1_decoder"
vc1_nvdec_hwaccel_deps="nvdec"
@@ -3192,6 +3194,7 @@ vp9_videotoolbox_hwaccel_deps="videotoolbox"
vp9_videotoolbox_hwaccel_select="vp9_decoder"
wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
+wmv3_d3d12va_hwaccel_select="vc1_d3d12va_hwaccel"
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 88925c0c5a..a7bb02de76 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -1035,6 +1035,7 @@ OBJS-$(CONFIG_MPEG4_VDPAU_HWACCEL) += vdpau_mpeg4.o
OBJS-$(CONFIG_MPEG4_VIDEOTOOLBOX_HWACCEL) += videotoolbox.o
OBJS-$(CONFIG_VC1_D3D11VA_HWACCEL) += dxva2_vc1.o
OBJS-$(CONFIG_VC1_DXVA2_HWACCEL) += dxva2_vc1.o
+OBJS-$(CONFIG_VC1_D3D12VA_HWACCEL) += dxva2_vc1.o d3d12va_vc1.o
OBJS-$(CONFIG_VC1_NVDEC_HWACCEL) += nvdec_vc1.o
OBJS-$(CONFIG_VC1_QSV_HWACCEL) += qsvdec.o
OBJS-$(CONFIG_VC1_VAAPI_HWACCEL) += vaapi_vc1.o
diff --git a/libavcodec/d3d12va_vc1.c b/libavcodec/d3d12va_vc1.c
new file mode 100644
index 0000000000..73887db602
--- /dev/null
+++ b/libavcodec/d3d12va_vc1.c
@@ -0,0 +1,214 @@
+/*
+ * Direct3D12 WMV3/VC-1 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/hwcontext_d3d12va_internal.h"
+#include "mpegutils.h"
+#include "mpegvideodec.h"
+#include "vc1.h"
+#include "vc1data.h"
+#include "d3d12va_decode.h"
+#include "dxva2_internal.h"
+
+#define MAX_SLICES 1024
+#define INVALID_REF 0xffff
+
+#define REF_RESOURCE(index) if (index != INVALID_REF) { \
+ ctx->ref_resources[index] = frames_hwctx->texture_infos[index].texture; \
+}
+
+typedef struct D3D12DecodePictureContext {
+ DXVA_PictureParameters pp;
+ unsigned slice_count;
+ DXVA_SliceInfo slices[MAX_SLICES];
+ const uint8_t *bitstream;
+ unsigned bitstream_size;
+} D3D12DecodePictureContext;
+
+static int d3d12va_vc1_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
+{
+ const VC1Context *v = avctx->priv_data;
+ D3D12VADecodeContext *ctx = D3D12VA_DECODE_CONTEXT(avctx);
+ D3D12DecodePictureContext *ctx_pic = v->s.current_picture_ptr->hwaccel_picture_private;
+
+ if (!ctx)
+ return -1;
+
+ av_assert0(ctx_pic);
+
+ ff_dxva2_vc1_fill_picture_parameters(avctx, (AVDXVAContext *)ctx, &ctx_pic->pp);
+ ctx_pic->pp.wDeblockedPictureIndex = INVALID_REF;
+
+ ctx_pic->bitstream = NULL;
+ ctx_pic->bitstream_size = 0;
+ ctx_pic->slice_count = 0;
+
+ return 0;
+}
+
+static int d3d12va_vc1_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
+{
+ const VC1Context *v = avctx->priv_data;
+ D3D12DecodePictureContext *ctx_pic = v->s.current_picture_ptr->hwaccel_picture_private;
+
+ if (ctx_pic->slice_count >= MAX_SLICES) {
+ return AVERROR(ERANGE);
+ }
+
+ if (avctx->codec_id == AV_CODEC_ID_VC1 &&
+ size >= 4 && IS_MARKER(AV_RB32(buffer))) {
+ buffer += 4;
+ size -= 4;
+ }
+
+ if (!ctx_pic->bitstream)
+ ctx_pic->bitstream = buffer;
+ ctx_pic->bitstream_size += size;
+
+ ff_dxva2_vc1_fill_slice(avctx, &ctx_pic->slices[ctx_pic->slice_count++],
+ buffer - ctx_pic->bitstream, 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 VC1Context *v = avctx->priv_data;
+ const MpegEncContext *s = &v->s;
+ D3D12DecodePictureContext *ctx_pic = s->current_picture_ptr->hwaccel_picture_private;
+ D3D12_VIDEO_DECODE_FRAME_ARGUMENT *args = &input_args->FrameArguments[input_args->NumFrameArguments++];
+
+ const unsigned mb_count = s->mb_width * (s->mb_height >> v->field_mode);
+ uint8_t *mapped_data, *mapped_ptr;
+
+ static const uint8_t start_code[] = { 0, 0, 1, 0x0d };
+
+ 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);
+ }
+
+ mapped_ptr = mapped_data;
+ for (int i = 0; i < ctx_pic->slice_count; i++) {
+ DXVA_SliceInfo *slice = &ctx_pic->slices[i];
+ unsigned position = slice->dwSliceDataLocation;
+ unsigned size = slice->dwSliceBitsInBuffer / 8;
+
+ slice->dwSliceDataLocation = mapped_ptr - mapped_data;
+ if (i < ctx_pic->slice_count - 1)
+ slice->wNumberMBsInSlice = slice[1].wNumberMBsInSlice - slice[0].wNumberMBsInSlice;
+ else
+ slice->wNumberMBsInSlice = mb_count - slice[0].wNumberMBsInSlice;
+
+ if (avctx->codec_id == AV_CODEC_ID_VC1) {
+ memcpy(mapped_ptr, start_code, sizeof(start_code));
+ if (i == 0 && v->second_field)
+ mapped_ptr[3] = 0x0c;
+ else if (i > 0)
+ mapped_ptr[3] = 0x0b;
+
+ mapped_ptr += sizeof(start_code);
+ slice->dwSliceBitsInBuffer += sizeof(start_code) * 8;
+ }
+
+ memcpy(mapped_ptr, &ctx_pic->bitstream[position], size);
+ mapped_ptr += size;
+ }
+
+ ID3D12Resource_Unmap(buffer, 0, NULL);
+
+ args->Type = D3D12_VIDEO_DECODE_ARGUMENT_TYPE_SLICE_CONTROL;
+ args->Size = sizeof(DXVA_SliceInfo) * ctx_pic->slice_count;
+ args->pData = ctx_pic->slices;
+
+ input_args->CompressedBitstream = (D3D12_VIDEO_DECODE_COMPRESSED_BITSTREAM){
+ .pBuffer = buffer,
+ .Offset = 0,
+ .Size = mapped_ptr - mapped_data,
+ };
+
+ REF_RESOURCE(ctx_pic->pp.wDecodedPictureIndex )
+ REF_RESOURCE(ctx_pic->pp.wForwardRefPictureIndex )
+ REF_RESOURCE(ctx_pic->pp.wBackwardRefPictureIndex)
+
+ return 0;
+}
+
+static int d3d12va_vc1_end_frame(AVCodecContext *avctx)
+{
+ const VC1Context *v = avctx->priv_data;
+ D3D12DecodePictureContext *ctx_pic = v->s.current_picture_ptr->hwaccel_picture_private;
+
+ if (ctx_pic->slice_count <= 0 || ctx_pic->bitstream_size <= 0)
+ return -1;
+
+ return ff_d3d12va_common_end_frame(avctx, v->s.current_picture_ptr->f,
+ &ctx_pic->pp, sizeof(ctx_pic->pp),
+ NULL, 0,
+ update_input_arguments);
+}
+
+static int d3d12va_vc1_decode_init(AVCodecContext *avctx)
+{
+ D3D12VADecodeContext *ctx = D3D12VA_DECODE_CONTEXT(avctx);
+ ctx->cfg.DecodeProfile = D3D12_VIDEO_DECODE_PROFILE_VC1;
+
+ return ff_d3d12va_decode_init(avctx);
+}
+
+#if CONFIG_WMV3_D3D12VA_HWACCEL
+const FFHWAccel ff_wmv3_d3d12va_hwaccel = {
+ .p.name = "wmv3_d3d12va",
+ .p.type = AVMEDIA_TYPE_VIDEO,
+ .p.id = AV_CODEC_ID_WMV3,
+ .p.pix_fmt = AV_PIX_FMT_D3D12,
+ .init = d3d12va_vc1_decode_init,
+ .uninit = ff_d3d12va_decode_uninit,
+ .start_frame = d3d12va_vc1_start_frame,
+ .decode_slice = d3d12va_vc1_decode_slice,
+ .end_frame = d3d12va_vc1_end_frame,
+ .frame_params = ff_d3d12va_common_frame_params,
+ .frame_priv_data_size = sizeof(D3D12DecodePictureContext),
+ .priv_data_size = sizeof(D3D12VADecodeContext),
+};
+#endif
+
+#if CONFIG_VC1_D3D12VA_HWACCEL
+const FFHWAccel ff_vc1_d3d12va_hwaccel = {
+ .p.name = "vc1_d3d12va",
+ .p.type = AVMEDIA_TYPE_VIDEO,
+ .p.id = AV_CODEC_ID_VC1,
+ .p.pix_fmt = AV_PIX_FMT_D3D12,
+ .init = d3d12va_vc1_decode_init,
+ .uninit = ff_d3d12va_decode_uninit,
+ .start_frame = d3d12va_vc1_start_frame,
+ .decode_slice = d3d12va_vc1_decode_slice,
+ .end_frame = d3d12va_vc1_end_frame,
+ .frame_params = ff_d3d12va_common_frame_params,
+ .frame_priv_data_size = sizeof(D3D12DecodePictureContext),
+ .priv_data_size = sizeof(D3D12VADecodeContext),
+};
+#endif
diff --git a/libavcodec/dxva2_internal.h b/libavcodec/dxva2_internal.h
index 5e41fe28ac..3301996d0f 100644
--- a/libavcodec/dxva2_internal.h
+++ b/libavcodec/dxva2_internal.h
@@ -182,4 +182,8 @@ void ff_dxva2_mpeg2_fill_quantization_matrices(AVCodecContext *avctx, AVDXVACont
void ff_dxva2_mpeg2_fill_slice(AVCodecContext *avctx, DXVA_SliceInfo *slice, unsigned position, const uint8_t *buffer, unsigned size);
+void ff_dxva2_vc1_fill_picture_parameters(AVCodecContext *avctx, AVDXVAContext *ctx, DXVA_PictureParameters *pp);
+
+void ff_dxva2_vc1_fill_slice(AVCodecContext *avctx, DXVA_SliceInfo *slice, unsigned position, unsigned size);
+
#endif /* AVCODEC_DXVA2_INTERNAL_H */
diff --git a/libavcodec/dxva2_vc1.c b/libavcodec/dxva2_vc1.c
index b35fb115f7..a879ca1151 100644
--- a/libavcodec/dxva2_vc1.c
+++ b/libavcodec/dxva2_vc1.c
@@ -40,10 +40,11 @@ struct dxva2_picture_context {
unsigned bitstream_size;
};
-static void fill_picture_parameters(AVCodecContext *avctx,
- AVDXVAContext *ctx, const VC1Context *v,
+void ff_dxva2_vc1_fill_picture_parameters(AVCodecContext *avctx,
+ AVDXVAContext *ctx,
DXVA_PictureParameters *pp)
{
+ const VC1Context *v = avctx->priv_data;
const MpegEncContext *s = &v->s;
const Picture *current_picture = s->current_picture_ptr;
int intcomp = 0;
@@ -163,7 +164,7 @@ static void fill_picture_parameters(AVCodecContext *avctx,
pp->bBitstreamConcealmentMethod = 0;
}
-static void fill_slice(AVCodecContext *avctx, DXVA_SliceInfo *slice,
+void ff_dxva2_vc1_fill_slice(AVCodecContext *avctx, DXVA_SliceInfo *slice,
unsigned position, unsigned size)
{
const VC1Context *v = avctx->priv_data;
@@ -322,7 +323,7 @@ static int dxva2_vc1_start_frame(AVCodecContext *avctx,
return -1;
assert(ctx_pic);
- fill_picture_parameters(avctx, ctx, v, &ctx_pic->pp);
+ ff_dxva2_vc1_fill_picture_parameters(avctx, ctx, &ctx_pic->pp);
ctx_pic->slice_count = 0;
ctx_pic->bitstream_size = 0;
@@ -356,7 +357,7 @@ static int dxva2_vc1_decode_slice(AVCodecContext *avctx,
ctx_pic->bitstream_size += size;
position = buffer - ctx_pic->bitstream;
- fill_slice(avctx, &ctx_pic->slice[ctx_pic->slice_count++], position, size);
+ ff_dxva2_vc1_fill_slice(avctx, &ctx_pic->slice[ctx_pic->slice_count++], position, size);
return 0;
}
diff --git a/libavcodec/hwaccels.h b/libavcodec/hwaccels.h
index 927314c5e3..5171e4c7d7 100644
--- a/libavcodec/hwaccels.h
+++ b/libavcodec/hwaccels.h
@@ -67,6 +67,7 @@ extern const struct FFHWAccel ff_mpeg4_videotoolbox_hwaccel;
extern const struct FFHWAccel ff_prores_videotoolbox_hwaccel;
extern const struct FFHWAccel ff_vc1_d3d11va_hwaccel;
extern const struct FFHWAccel ff_vc1_d3d11va2_hwaccel;
+extern const struct FFHWAccel ff_vc1_d3d12va_hwaccel;
extern const struct FFHWAccel ff_vc1_dxva2_hwaccel;
extern const struct FFHWAccel ff_vc1_nvdec_hwaccel;
extern const struct FFHWAccel ff_vc1_vaapi_hwaccel;
@@ -83,6 +84,7 @@ extern const struct FFHWAccel ff_vp9_vdpau_hwaccel;
extern const struct FFHWAccel ff_vp9_videotoolbox_hwaccel;
extern const struct FFHWAccel ff_wmv3_d3d11va_hwaccel;
extern const struct FFHWAccel ff_wmv3_d3d11va2_hwaccel;
+extern const struct FFHWAccel ff_wmv3_d3d12va_hwaccel;
extern const struct FFHWAccel ff_wmv3_dxva2_hwaccel;
extern const struct FFHWAccel ff_wmv3_nvdec_hwaccel;
extern const struct FFHWAccel ff_wmv3_vaapi_hwaccel;
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index a2a0e8f56f..9dfaf6e8b7 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -1411,6 +1411,9 @@ static const enum AVPixelFormat vc1_hwaccel_pixfmt_list_420[] = {
AV_PIX_FMT_D3D11VA_VLD,
AV_PIX_FMT_D3D11,
#endif
+#if CONFIG_VC1_D3D12VA_HWACCEL
+ AV_PIX_FMT_D3D12,
+#endif
#if CONFIG_VC1_NVDEC_HWACCEL
AV_PIX_FMT_CUDA,
#endif
@@ -1446,6 +1449,9 @@ const FFCodec ff_vc1_decoder = {
#if CONFIG_VC1_D3D11VA2_HWACCEL
HWACCEL_D3D11VA2(vc1),
#endif
+#if CONFIG_VC1_D3D12VA_HWACCEL
+ HWACCEL_D3D12VA(vc1),
+#endif
#if CONFIG_VC1_NVDEC_HWACCEL
HWACCEL_NVDEC(vc1),
#endif
@@ -1483,6 +1489,9 @@ const FFCodec ff_wmv3_decoder = {
#if CONFIG_WMV3_D3D11VA2_HWACCEL
HWACCEL_D3D11VA2(wmv3),
#endif
+#if CONFIG_WMV3_D3D12VA_HWACCEL
+ HWACCEL_D3D12VA(wmv3),
+#endif
#if CONFIG_WMV3_NVDEC_HWACCEL
HWACCEL_NVDEC(wmv3),
#endif
--
2.41.0.windows.1
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