From b16fd96c5f847a2b96ffd2fb268dcbb69dbc78a3 Mon Sep 17 00:00:00 2001 From: Wu Jianhua Date: Tue, 5 Dec 2023 14:46:47 +0800 Subject: [PATCH] avcodec: add D3D12VA hardware accelerated AV1 decoding The command below is how to enable d3d12va: ffmpeg -hwaccel d3d12va -i input.mp4 output.mp4 Signed-off-by: Wu Jianhua Signed-off-by: Tong Wu --- configure | 2 + libavcodec/Makefile | 1 + libavcodec/av1dec.c | 10 ++ libavcodec/d3d12va_av1.c | 214 ++++++++++++++++++++++++++++++++++++ libavcodec/dxva2_av1.c | 8 +- libavcodec/dxva2_internal.h | 4 + libavcodec/hwaccels.h | 1 + 7 files changed, 237 insertions(+), 3 deletions(-) create mode 100644 libavcodec/d3d12va_av1.c diff --git a/configure b/configure index 088a75ad31..2fb9dfae3d 100755 --- a/configure +++ b/configure @@ -3066,6 +3066,8 @@ 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 dd193115d4..730dcf373f 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -996,6 +996,7 @@ 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 4dcde234c6..7ffa7821e9 100644 --- a/libavcodec/av1dec.c +++ b/libavcodec/av1dec.c @@ -511,6 +511,7 @@ static int get_pixel_format(AVCodecContext *avctx) enum AVPixelFormat pix_fmt = get_sw_pixel_format(avctx, seq); #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 + \ @@ -529,6 +530,9 @@ 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 @@ -550,6 +554,9 @@ 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 @@ -1507,6 +1514,9 @@ 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..6a3543353f --- /dev/null +++ b/libavcodec/d3d12va_av1.c @@ -0,0 +1,214 @@ +/* + * Direct3D 12 AV1 HW acceleration + * + * copyright (c) 2022-2023 Wu Jianhua + * + * 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); + + ctx->used_mask = 0; + + 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; + 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); + + 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; + DXVA_PicParams_AV1 pp; + + int ret; + + if (avctx->profile != FF_PROFILE_AV1_MAIN) + return AVERROR(EINVAL); + + ctx->cfg.DecodeProfile = D3D12_VIDEO_DECODE_PROFILE_AV1_PROFILE0; + + ctx->max_num_ref = FF_ARRAY_ELEMS(pp.RefFrameMapTextureIndex) + 1; + + 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 FFHWAccel ff_av1_d3d12va_hwaccel = { + .p.name = "av1_d3d12va", + .p.type = AVMEDIA_TYPE_VIDEO, + .p.id = AV_CODEC_ID_AV1, + .p.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 12a895b791..85d747bca8 100644 --- a/libavcodec/dxva2_av1.c +++ b/libavcodec/dxva2_av1.c @@ -56,10 +56,11 @@ 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; @@ -75,7 +76,6 @@ static int fill_picture_parameters(const AVCodecContext *avctx, AVDXVAContext *c pp->max_width = seq->max_frame_width_minus_1 + 1; pp->max_height = seq->max_frame_height_minus_1 + 1; - pp->CurrPicTextureIndex = ff_dxva2_get_surface_index(avctx, ctx, h->cur_frame.f, 1); pp->superres_denom = frame_header->use_superres ? frame_header->coded_denom + AV1_SUPERRES_DENOM_MIN : AV1_SUPERRES_NUM; pp->bitdepth = get_bit_depth_from_seq(seq); pp->seq_profile = seq->seq_profile; @@ -154,6 +154,8 @@ static int fill_picture_parameters(const AVCodecContext *avctx, AVDXVAContext *c pp->RefFrameMapTextureIndex[i] = ff_dxva2_get_surface_index(avctx, ctx, ref_frame, 0); } + pp->CurrPicTextureIndex = ff_dxva2_get_surface_index(avctx, ctx, h->cur_frame.f, 1); + /* Loop filter parameters */ pp->loop_filter.filter_level[0] = frame_header->loop_filter_level[0]; pp->loop_filter.filter_level[1] = frame_header->loop_filter_level[1]; @@ -281,7 +283,7 @@ 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 7c712b31f3..7a30672ecd 100644 --- a/libavcodec/dxva2_internal.h +++ b/libavcodec/dxva2_internal.h @@ -177,4 +177,8 @@ 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 1344b84326..1c4825f2fb 100644 --- a/libavcodec/hwaccels.h +++ b/libavcodec/hwaccels.h @@ -21,6 +21,7 @@ extern const struct FFHWAccel ff_av1_d3d11va_hwaccel; extern const struct FFHWAccel ff_av1_d3d11va2_hwaccel; +extern const struct FFHWAccel ff_av1_d3d12va_hwaccel; extern const struct FFHWAccel ff_av1_dxva2_hwaccel; extern const struct FFHWAccel ff_av1_nvdec_hwaccel; extern const struct FFHWAccel ff_av1_vaapi_hwaccel;