[FFmpeg-devel] [PATCH v4 5/9] avcodec: add D3D12VA hardware accelerated AV1 decoding
Tong Wu
tong1.wu at intel.com
Wed Jul 19 13:01:58 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/av1dec.c | 10 ++
libavcodec/d3d12va_av1.c | 220 ++++++++++++++++++++++++++++++++++++
libavcodec/dxva2_av1.c | 5 +-
libavcodec/dxva2_internal.h | 4 +
libavcodec/hwaccels.h | 1 +
7 files changed, 241 insertions(+), 2 deletions(-)
create mode 100644 libavcodec/d3d12va_av1.c
diff --git a/configure b/configure
index b3bee6e3ff..ed811ff0dc 100755
--- a/configure
+++ b/configure
@@ -3070,6 +3070,8 @@ av1_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_AV1"
av1_d3d11va_hwaccel_select="av1_decoder"
av1_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_AV1"
av1_d3d11va2_hwaccel_select="av1_decoder"
+av1_d3d12va_hwaccel_deps="d3d12va DXVA_PicParams_AV1"
+av1_d3d12va_hwaccel_select="av1_decoder"
av1_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_AV1"
av1_dxva2_hwaccel_select="av1_decoder"
av1_nvdec_hwaccel_deps="nvdec CUVIDAV1PICPARAMS"
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index defce050e7..2bff578be3 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -992,6 +992,7 @@ OBJS-$(CONFIG_VULKAN) += vulkan.o vulkan_video.o
OBJS-$(CONFIG_AV1_D3D11VA_HWACCEL) += dxva2_av1.o
OBJS-$(CONFIG_AV1_DXVA2_HWACCEL) += dxva2_av1.o
+OBJS-$(CONFIG_AV1_D3D12VA_HWACCEL) += dxva2_av1.o d3d12va_av1.o
OBJS-$(CONFIG_AV1_NVDEC_HWACCEL) += nvdec_av1.o
OBJS-$(CONFIG_AV1_VAAPI_HWACCEL) += vaapi_av1.o
OBJS-$(CONFIG_AV1_VDPAU_HWACCEL) += vdpau_av1.o
diff --git a/libavcodec/av1dec.c b/libavcodec/av1dec.c
index cc178464b9..2067d67c68 100644
--- a/libavcodec/av1dec.c
+++ b/libavcodec/av1dec.c
@@ -448,6 +448,7 @@ static int get_pixel_format(AVCodecContext *avctx)
enum AVPixelFormat pix_fmt = AV_PIX_FMT_NONE;
#define HWACCEL_MAX (CONFIG_AV1_DXVA2_HWACCEL + \
CONFIG_AV1_D3D11VA_HWACCEL * 2 + \
+ CONFIG_AV1_D3D12VA_HWACCEL + \
CONFIG_AV1_NVDEC_HWACCEL + \
CONFIG_AV1_VAAPI_HWACCEL + \
CONFIG_AV1_VDPAU_HWACCEL + \
@@ -523,6 +524,9 @@ static int get_pixel_format(AVCodecContext *avctx)
*fmtp++ = AV_PIX_FMT_D3D11VA_VLD;
*fmtp++ = AV_PIX_FMT_D3D11;
#endif
+#if CONFIG_AV1_D3D12VA_HWACCEL
+ *fmtp++ = AV_PIX_FMT_D3D12;
+#endif
#if CONFIG_AV1_NVDEC_HWACCEL
*fmtp++ = AV_PIX_FMT_CUDA;
#endif
@@ -544,6 +548,9 @@ static int get_pixel_format(AVCodecContext *avctx)
*fmtp++ = AV_PIX_FMT_D3D11VA_VLD;
*fmtp++ = AV_PIX_FMT_D3D11;
#endif
+#if CONFIG_AV1_D3D12VA_HWACCEL
+ *fmtp++ = AV_PIX_FMT_D3D12;
+#endif
#if CONFIG_AV1_NVDEC_HWACCEL
*fmtp++ = AV_PIX_FMT_CUDA;
#endif
@@ -1541,6 +1548,9 @@ const FFCodec ff_av1_decoder = {
#if CONFIG_AV1_D3D11VA2_HWACCEL
HWACCEL_D3D11VA2(av1),
#endif
+#if CONFIG_AV1_D3D12VA_HWACCEL
+ HWACCEL_D3D12VA(av1),
+#endif
#if CONFIG_AV1_NVDEC_HWACCEL
HWACCEL_NVDEC(av1),
#endif
diff --git a/libavcodec/d3d12va_av1.c b/libavcodec/d3d12va_av1.c
new file mode 100644
index 0000000000..7544e97eae
--- /dev/null
+++ b/libavcodec/d3d12va_av1.c
@@ -0,0 +1,220 @@
+/*
+ * Direct3D 12 AV1 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 "av1dec.h"
+#include "dxva2_internal.h"
+#include "d3d12va_decode.h"
+
+#define MAX_TILES 256
+
+typedef struct D3D12AV1DecodeContext {
+ D3D12VADecodeContext ctx;
+ uint8_t *bitstream_buffer;
+} D3D12AV1DecodeContext;
+
+#define D3D12_AV1_DECODE_CONTEXT(avctx) ((D3D12AV1DecodeContext *)D3D12VA_DECODE_CONTEXT(avctx))
+
+typedef struct AV1DecodePictureContext {
+ DXVA_PicParams_AV1 pp;
+ unsigned tile_count;
+ DXVA_Tile_AV1 tiles[MAX_TILES];
+ uint8_t *bitstream;
+ unsigned bitstream_size;
+} AV1DecodePictureContext;
+
+static int d3d12va_av1_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
+{
+ const AV1DecContext *h = avctx->priv_data;
+ AV1DecodePictureContext *ctx_pic = h->cur_frame.hwaccel_picture_private;
+ D3D12VADecodeContext *ctx = D3D12VA_DECODE_CONTEXT(avctx);
+ if (!ctx)
+ return -1;
+
+ av_assert0(ctx_pic);
+
+ if (ff_dxva2_av1_fill_picture_parameters(avctx, (AVDXVAContext *)ctx, &ctx_pic->pp) < 0)
+ return -1;
+
+ ctx_pic->bitstream = NULL;
+ ctx_pic->bitstream_size = 0;
+ ctx_pic->tile_count = 0;
+
+ return 0;
+}
+
+static int d3d12va_av1_decode_slice(AVCodecContext *avctx,
+ const uint8_t *buffer,
+ uint32_t size)
+{
+ const AV1DecContext *h = avctx->priv_data;
+ const AV1RawFrameHeader *frame_header = h->raw_frame_header;
+ AV1DecodePictureContext *ctx_pic = h->cur_frame.hwaccel_picture_private;
+ int offset = 0;
+ uint32_t tg_start, tg_end;
+
+ ctx_pic->tile_count = frame_header->tile_cols * frame_header->tile_rows;
+
+ if (ctx_pic->tile_count > MAX_TILES)
+ return AVERROR(ENOSYS);
+
+ if (ctx_pic->tile_count == h->tg_end - h->tg_start + 1) {
+ tg_start = 0;
+ tg_end = ctx_pic->tile_count - 1;
+ ctx_pic->bitstream = (uint8_t *)buffer;
+ ctx_pic->bitstream_size = size;
+ } else {
+ ctx_pic->bitstream = D3D12_AV1_DECODE_CONTEXT(avctx)->bitstream_buffer;
+ memcpy(ctx_pic->bitstream + ctx_pic->bitstream_size, buffer, size);
+ tg_start = h->tg_start;
+ tg_end = h->tg_end;
+ offset = ctx_pic->bitstream_size;
+ ctx_pic->bitstream_size += size;
+ }
+
+ for (uint32_t tile_num = tg_start; tile_num <= tg_end; tile_num++) {
+ ctx_pic->tiles[tile_num].DataOffset = offset + h->tile_group_info[tile_num].tile_offset;
+ ctx_pic->tiles[tile_num].DataSize = h->tile_group_info[tile_num].tile_size;
+ ctx_pic->tiles[tile_num].row = h->tile_group_info[tile_num].tile_row;
+ ctx_pic->tiles[tile_num].column = h->tile_group_info[tile_num].tile_column;
+ ctx_pic->tiles[tile_num].anchor_frame = 0xFF;
+ }
+
+ 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 AV1DecContext *h = avctx->priv_data;
+ AV1DecodePictureContext *ctx_pic = h->cur_frame.hwaccel_picture_private;
+
+ int index;
+ uint8_t *mapped_data;
+
+ D3D12_VIDEO_DECODE_FRAME_ARGUMENT *args = &input_args->FrameArguments[input_args->NumFrameArguments++];
+ args->Type = D3D12_VIDEO_DECODE_ARGUMENT_TYPE_SLICE_CONTROL;
+ args->Size = sizeof(DXVA_Tile_AV1) * ctx_pic->tile_count;
+ args->pData = ctx_pic->tiles;
+
+ input_args->CompressedBitstream = (D3D12_VIDEO_DECODE_COMPRESSED_BITSTREAM){
+ .pBuffer = buffer,
+ .Offset = 0,
+ .Size = ctx_pic->bitstream_size,
+ };
+
+ 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);
+ }
+
+ memcpy(mapped_data, ctx_pic->bitstream, ctx_pic->bitstream_size);
+
+ ID3D12Resource_Unmap(buffer, 0, NULL);
+
+ index = ctx_pic->pp.CurrPicTextureIndex;
+ ctx->ref_resources[index] = frames_hwctx->texture_infos[index].texture;
+
+ for (int i = 0; i < FF_ARRAY_ELEMS(ctx_pic->pp.RefFrameMapTextureIndex); i++) {
+ index = ctx_pic->pp.RefFrameMapTextureIndex[i];
+ if (index != 0xFF)
+ ctx->ref_resources[index] = frames_hwctx->texture_infos[index].texture;
+ }
+
+ return 0;
+}
+
+static int d3d12va_av1_end_frame(AVCodecContext *avctx)
+{
+ int ret;
+ const AV1DecContext *h = avctx->priv_data;
+ D3D12VADecodeContext *ctx = D3D12VA_DECODE_CONTEXT(avctx);
+ AV1DecodePictureContext *ctx_pic = h->cur_frame.hwaccel_picture_private;
+
+ if (ctx_pic->tiles <= 0 || ctx_pic->bitstream_size <= 0)
+ return -1;
+
+ ret = ff_d3d12va_common_end_frame(avctx, h->cur_frame.f, &ctx_pic->pp, sizeof(ctx_pic->pp),
+ NULL, 0, update_input_arguments);
+
+ return ret;
+}
+
+static int d3d12va_av1_decode_init(AVCodecContext *avctx)
+{
+ const AV1DecContext *h = avctx->priv_data;
+ D3D12VADecodeContext *ctx = D3D12VA_DECODE_CONTEXT(avctx);
+ D3D12AV1DecodeContext *av1_ctx = D3D12_AV1_DECODE_CONTEXT(avctx);
+ AV1DecodePictureContext *ctx_pic = h->cur_frame.hwaccel_picture_private;
+
+ int ret;
+
+ if (avctx->profile != FF_PROFILE_AV1_MAIN)
+ return AVERROR(EINVAL);
+
+ ctx->cfg.DecodeProfile = D3D12_VIDEO_DECODE_PROFILE_AV1_PROFILE0;
+
+ ret = ff_d3d12va_decode_init(avctx);
+ if (ret < 0)
+ return ret;
+
+ if (!av1_ctx->bitstream_buffer) {
+ av1_ctx->bitstream_buffer = av_malloc(ff_d3d12va_get_suitable_max_bitstream_size(avctx));
+ if (!av1_ctx->bitstream_buffer)
+ return AVERROR(ENOMEM);
+ }
+
+ return 0;
+}
+
+static int d3d12va_av1_decode_uninit(AVCodecContext *avctx)
+{
+ const AV1DecContext *h = avctx->priv_data;
+ D3D12AV1DecodeContext *ctx = D3D12_AV1_DECODE_CONTEXT(avctx);
+ AV1DecodePictureContext *ctx_pic = h->cur_frame.hwaccel_picture_private;
+
+ if (ctx->bitstream_buffer)
+ av_freep(&ctx->bitstream_buffer);
+
+ return ff_d3d12va_decode_uninit(avctx);
+}
+
+#if CONFIG_AV1_D3D12VA_HWACCEL
+const AVHWAccel ff_av1_d3d12va_hwaccel = {
+ .name = "av1_d3d12va",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_AV1,
+ .pix_fmt = AV_PIX_FMT_D3D12,
+ .init = d3d12va_av1_decode_init,
+ .uninit = d3d12va_av1_decode_uninit,
+ .start_frame = d3d12va_av1_start_frame,
+ .decode_slice = d3d12va_av1_decode_slice,
+ .end_frame = d3d12va_av1_end_frame,
+ .frame_params = ff_d3d12va_common_frame_params,
+ .frame_priv_data_size = sizeof(AV1DecodePictureContext),
+ .priv_data_size = sizeof(D3D12AV1DecodeContext),
+};
+#endif
diff --git a/libavcodec/dxva2_av1.c b/libavcodec/dxva2_av1.c
index 228f72ba18..7cb1c74fee 100644
--- a/libavcodec/dxva2_av1.c
+++ b/libavcodec/dxva2_av1.c
@@ -55,10 +55,11 @@ static int get_bit_depth_from_seq(const AV1RawSequenceHeader *seq)
return 8;
}
-static int fill_picture_parameters(const AVCodecContext *avctx, AVDXVAContext *ctx, const AV1DecContext *h,
+int ff_dxva2_av1_fill_picture_parameters(const AVCodecContext *avctx, AVDXVAContext *ctx,
DXVA_PicParams_AV1 *pp)
{
int i,j, uses_lr;
+ const AV1DecContext *h = avctx->priv_data;
const AV1RawSequenceHeader *seq = h->raw_seq;
const AV1RawFrameHeader *frame_header = h->raw_frame_header;
const AV1RawFilmGrainParams *film_grain = &h->cur_frame.film_grain;
@@ -280,7 +281,7 @@ static int dxva2_av1_start_frame(AVCodecContext *avctx,
av_assert0(ctx_pic);
/* Fill up DXVA_PicParams_AV1 */
- if (fill_picture_parameters(avctx, ctx, h, &ctx_pic->pp) < 0)
+ if (ff_dxva2_av1_fill_picture_parameters(avctx, ctx, &ctx_pic->pp) < 0)
return -1;
ctx_pic->bitstream_size = 0;
diff --git a/libavcodec/dxva2_internal.h b/libavcodec/dxva2_internal.h
index 1c361929f1..8329db2a81 100644
--- a/libavcodec/dxva2_internal.h
+++ b/libavcodec/dxva2_internal.h
@@ -172,4 +172,8 @@ void ff_dxva2_hevc_fill_scaling_lists(const AVCodecContext *avctx, AVDXVAContext
int ff_dxva2_vp9_fill_picture_parameters(const AVCodecContext *avctx, AVDXVAContext *ctx, DXVA_PicParams_VP9 *pp);
+#if CONFIG_AV1_D3D12VA_HWACCEL || CONFIG_AV1_D3D11VA_HWACCEL || CONFIG_AV1_D3D11VA2_HWACCEL || CONFIG_AV1_DXVA2_HWACCEL
+int ff_dxva2_av1_fill_picture_parameters(const AVCodecContext *avctx, AVDXVAContext *ctx, DXVA_PicParams_AV1 *pp);
+#endif
+
#endif /* AVCODEC_DXVA2_INTERNAL_H */
diff --git a/libavcodec/hwaccels.h b/libavcodec/hwaccels.h
index 1059b6db70..517e70d5c4 100644
--- a/libavcodec/hwaccels.h
+++ b/libavcodec/hwaccels.h
@@ -23,6 +23,7 @@
extern const AVHWAccel ff_av1_d3d11va_hwaccel;
extern const AVHWAccel ff_av1_d3d11va2_hwaccel;
+extern const AVHWAccel ff_av1_d3d12va_hwaccel;
extern const AVHWAccel ff_av1_dxva2_hwaccel;
extern const AVHWAccel ff_av1_nvdec_hwaccel;
extern const AVHWAccel ff_av1_vaapi_hwaccel;
--
2.41.0.windows.1
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