[FFmpeg-devel] [PATCH v13 13/15] avcodec: add D3D12VA hardware HEVC encoder

From: Tong Wu <tong1.wu@intel.com> This implementation is based on D3D12 Video Encoding Spec: https://microsoft.github.io/DirectX-Specs/d3d/D3D12VideoEncoding.html Sample command line for transcoding: ffmpeg.exe -hwaccel d3d12va -hwaccel_output_format d3d12 -i input.mp4 -c:v hevc_d3d12va output.mp4 Signed-off-by: Tong Wu <tong1.wu@intel.com> --- configure | 6 + libavcodec/Makefile | 5 +- libavcodec/allcodecs.c | 1 + libavcodec/d3d12va_encode.c | 1558 ++++++++++++++++++++++++++++++ libavcodec/d3d12va_encode.h | 334 +++++++ libavcodec/d3d12va_encode_hevc.c | 1007 +++++++++++++++++++ 6 files changed, 2910 insertions(+), 1 deletion(-) create mode 100644 libavcodec/d3d12va_encode.c create mode 100644 libavcodec/d3d12va_encode.h create mode 100644 libavcodec/d3d12va_encode_hevc.c diff --git a/configure b/configure index 6c5b8aab9a..a5e1c3fae4 100755 --- a/configure +++ b/configure @@ -2551,6 +2551,7 @@ CONFIG_EXTRA=" cbs_mpeg2 cbs_vp8 cbs_vp9 + d3d12va_encode deflate_wrapper dirac_parse dnn @@ -3287,6 +3288,7 @@ wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel" wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel" # hardware-accelerated codecs +d3d12va_encode_deps="d3d12va ID3D12VideoEncoder d3d12_encoder_feature" mediafoundation_deps="mftransform_h MFCreateAlignedMemoryBuffer" omx_deps="libdl pthreads" omx_rpi_select="omx" @@ -3354,6 +3356,7 @@ h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m" hevc_amf_encoder_deps="amf" hevc_cuvid_decoder_deps="cuvid" hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf" +hevc_d3d12va_encoder_select="cbs_h265 d3d12va_encode" hevc_mediacodec_decoder_deps="mediacodec" hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser" hevc_mediacodec_encoder_deps="mediacodec" @@ -6725,6 +6728,9 @@ check_type "windows.h d3d11.h" "ID3D11VideoDecoder" check_type "windows.h d3d11.h" "ID3D11VideoContext" check_type "windows.h d3d12.h" "ID3D12Device" check_type "windows.h d3d12video.h" "ID3D12VideoDecoder" +check_type "windows.h d3d12video.h" "ID3D12VideoEncoder" +test_code cc "windows.h d3d12video.h" "D3D12_FEATURE_VIDEO feature = D3D12_FEATURE_VIDEO_ENCODER_CODEC" && \ +test_code cc "windows.h d3d12video.h" "D3D12_FEATURE_DATA_VIDEO_ENCODER_RESOURCE_REQUIREMENTS req" && enable d3d12_encoder_feature check_type "windows.h" "DPI_AWARENESS_CONTEXT" -D_WIN32_WINNT=0x0A00 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602 check_func_headers mfapi.h MFCreateAlignedMemoryBuffer -lmfplat diff --git a/libavcodec/Makefile b/libavcodec/Makefile index 998f6b7e12..6c4500ce6d 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -86,6 +86,7 @@ OBJS-$(CONFIG_CBS_JPEG) += cbs_jpeg.o OBJS-$(CONFIG_CBS_MPEG2) += cbs_mpeg2.o OBJS-$(CONFIG_CBS_VP8) += cbs_vp8.o vp8data.o OBJS-$(CONFIG_CBS_VP9) += cbs_vp9.o +OBJS-$(CONFIG_D3D12VA_ENCODE) += d3d12va_encode.o hw_base_encode.o OBJS-$(CONFIG_DEFLATE_WRAPPER) += zlib_wrapper.o OBJS-$(CONFIG_DOVI_RPUDEC) += dovi_rpu.o dovi_rpudec.o OBJS-$(CONFIG_DOVI_RPUENC) += dovi_rpu.o dovi_rpuenc.o @@ -436,6 +437,8 @@ OBJS-$(CONFIG_HEVC_DECODER) += hevcdec.o hevc_mvs.o \ h274.o aom_film_grain.o OBJS-$(CONFIG_HEVC_AMF_ENCODER) += amfenc_hevc.o OBJS-$(CONFIG_HEVC_CUVID_DECODER) += cuviddec.o +OBJS-$(CONFIG_HEVC_D3D12VA_ENCODER) += d3d12va_encode_hevc.o h265_profile_level.o \ + h2645data.o OBJS-$(CONFIG_HEVC_MEDIACODEC_DECODER) += mediacodecdec.o OBJS-$(CONFIG_HEVC_MEDIACODEC_ENCODER) += mediacodecenc.o OBJS-$(CONFIG_HEVC_MF_ENCODER) += mfenc.o mf_utils.o @@ -1265,7 +1268,7 @@ SKIPHEADERS += %_tablegen.h \ SKIPHEADERS-$(CONFIG_AMF) += amfenc.h SKIPHEADERS-$(CONFIG_D3D11VA) += d3d11va.h dxva2_internal.h -SKIPHEADERS-$(CONFIG_D3D12VA) += d3d12va_decode.h +SKIPHEADERS-$(CONFIG_D3D12VA) += d3d12va_decode.h d3d12va_encode.h SKIPHEADERS-$(CONFIG_DXVA2) += dxva2.h dxva2_internal.h SKIPHEADERS-$(CONFIG_JNI) += ffjni.h SKIPHEADERS-$(CONFIG_LCMS2) += fflcms2.h diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c index b102a8069e..463ffbbd08 100644 --- a/libavcodec/allcodecs.c +++ b/libavcodec/allcodecs.c @@ -848,6 +848,7 @@ extern const FFCodec ff_h264_vaapi_encoder; extern const FFCodec ff_h264_videotoolbox_encoder; extern const FFCodec ff_hevc_amf_encoder; extern const FFCodec ff_hevc_cuvid_decoder; +extern const FFCodec ff_hevc_d3d12va_encoder; extern const FFCodec ff_hevc_mediacodec_decoder; extern const FFCodec ff_hevc_mediacodec_encoder; extern const FFCodec ff_hevc_mf_encoder; diff --git a/libavcodec/d3d12va_encode.c b/libavcodec/d3d12va_encode.c new file mode 100644 index 0000000000..0fbf8eb07c --- /dev/null +++ b/libavcodec/d3d12va_encode.c @@ -0,0 +1,1558 @@ +/* + * Direct3D 12 HW acceleration video encoder + * + * Copyright (c) 2024 Intel Corporation + * + * 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 "libavutil/avassert.h" +#include "libavutil/common.h" +#include "libavutil/internal.h" +#include "libavutil/log.h" +#include "libavutil/mem.h" +#include "libavutil/pixdesc.h" +#include "libavutil/hwcontext_d3d12va_internal.h" +#include "libavutil/hwcontext_d3d12va.h" + +#include "avcodec.h" +#include "d3d12va_encode.h" +#include "encode.h" + +const AVCodecHWConfigInternal *const ff_d3d12va_encode_hw_configs[] = { + HW_CONFIG_ENCODER_FRAMES(D3D12, D3D12VA), + NULL, +}; + +static int d3d12va_fence_completion(AVD3D12VASyncContext *psync_ctx) +{ + uint64_t completion = ID3D12Fence_GetCompletedValue(psync_ctx->fence); + if (completion < psync_ctx->fence_value) { + if (FAILED(ID3D12Fence_SetEventOnCompletion(psync_ctx->fence, psync_ctx->fence_value, psync_ctx->event))) + return AVERROR(EINVAL); + + WaitForSingleObjectEx(psync_ctx->event, INFINITE, FALSE); + } + + return 0; +} + +static int d3d12va_sync_with_gpu(AVCodecContext *avctx) +{ + D3D12VAEncodeContext *ctx = avctx->priv_data; + + DX_CHECK(ID3D12CommandQueue_Signal(ctx->command_queue, ctx->sync_ctx.fence, ++ctx->sync_ctx.fence_value)); + return d3d12va_fence_completion(&ctx->sync_ctx); + +fail: + return AVERROR(EINVAL); +} + +typedef struct CommandAllocator { + ID3D12CommandAllocator *command_allocator; + uint64_t fence_value; +} CommandAllocator; + +static int d3d12va_get_valid_command_allocator(AVCodecContext *avctx, ID3D12CommandAllocator **ppAllocator) +{ + HRESULT hr; + D3D12VAEncodeContext *ctx = avctx->priv_data; + CommandAllocator allocator; + + if (av_fifo_peek(ctx->allocator_queue, &allocator, 1, 0) >= 0) { + uint64_t completion = ID3D12Fence_GetCompletedValue(ctx->sync_ctx.fence); + if (completion >= allocator.fence_value) { + *ppAllocator = allocator.command_allocator; + av_fifo_read(ctx->allocator_queue, &allocator, 1); + return 0; + } + } + + hr = ID3D12Device_CreateCommandAllocator(ctx->hwctx->device, D3D12_COMMAND_LIST_TYPE_VIDEO_ENCODE, + &IID_ID3D12CommandAllocator, (void **)ppAllocator); + if (FAILED(hr)) { + av_log(avctx, AV_LOG_ERROR, "Failed to create a new command allocator!\n"); + return AVERROR(EINVAL); + } + + return 0; +} + +static int d3d12va_discard_command_allocator(AVCodecContext *avctx, ID3D12CommandAllocator *pAllocator, uint64_t fence_value) +{ + D3D12VAEncodeContext *ctx = avctx->priv_data; + + CommandAllocator allocator = { + .command_allocator = pAllocator, + .fence_value = fence_value, + }; + + av_fifo_write(ctx->allocator_queue, &allocator, 1); + + return 0; +} + +static int d3d12va_encode_wait(AVCodecContext *avctx, + D3D12VAEncodePicture *pic) +{ + D3D12VAEncodeContext *ctx = avctx->priv_data; + FFHWBaseEncodePicture *base_pic = &pic->base; + uint64_t completion; + + av_assert0(base_pic->encode_issued); + + if (base_pic->encode_complete) { + // Already waited for this picture. + return 0; + } + + completion = ID3D12Fence_GetCompletedValue(ctx->sync_ctx.fence); + if (completion < pic->fence_value) { + if (FAILED(ID3D12Fence_SetEventOnCompletion(ctx->sync_ctx.fence, pic->fence_value, + ctx->sync_ctx.event))) + return AVERROR(EINVAL); + + WaitForSingleObjectEx(ctx->sync_ctx.event, INFINITE, FALSE); + } + + av_log(avctx, AV_LOG_DEBUG, "Sync to pic %"PRId64"/%"PRId64" " + "(input surface %p).\n", base_pic->display_order, + base_pic->encode_order, pic->input_surface->texture); + + av_frame_free(&base_pic->input_image); + + base_pic->encode_complete = 1; + return 0; +} + +static int d3d12va_encode_create_metadata_buffers(AVCodecContext *avctx, + D3D12VAEncodePicture *pic) +{ + D3D12VAEncodeContext *ctx = avctx->priv_data; + int width = sizeof(D3D12_VIDEO_ENCODER_OUTPUT_METADATA) + sizeof(D3D12_VIDEO_ENCODER_FRAME_SUBREGION_METADATA); + D3D12_HEAP_PROPERTIES encoded_meta_props = { .Type = D3D12_HEAP_TYPE_DEFAULT }, resolved_meta_props; + D3D12_HEAP_TYPE resolved_heap_type = D3D12_HEAP_TYPE_READBACK; + HRESULT hr; + + D3D12_RESOURCE_DESC meta_desc = { + .Dimension = D3D12_RESOURCE_DIMENSION_BUFFER, + .Alignment = 0, + .Width = ctx->req.MaxEncoderOutputMetadataBufferSize, + .Height = 1, + .DepthOrArraySize = 1, + .MipLevels = 1, + .Format = DXGI_FORMAT_UNKNOWN, + .SampleDesc = { .Count = 1, .Quality = 0 }, + .Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR, + .Flags = D3D12_RESOURCE_FLAG_NONE, + }; + + hr = ID3D12Device_CreateCommittedResource(ctx->hwctx->device, &encoded_meta_props, D3D12_HEAP_FLAG_NONE, + &meta_desc, D3D12_RESOURCE_STATE_COMMON, NULL, + &IID_ID3D12Resource, (void **)&pic->encoded_metadata); + if (FAILED(hr)) { + av_log(avctx, AV_LOG_ERROR, "Failed to create metadata buffer.\n"); + return AVERROR_UNKNOWN; + } + + ctx->hwctx->device->lpVtbl->GetCustomHeapProperties(ctx->hwctx->device, &resolved_meta_props, 0, resolved_heap_type); + + meta_desc.Width = width; + + hr = ID3D12Device_CreateCommittedResource(ctx->hwctx->device, &resolved_meta_props, D3D12_HEAP_FLAG_NONE, + &meta_desc, D3D12_RESOURCE_STATE_COMMON, NULL, + &IID_ID3D12Resource, (void **)&pic->resolved_metadata); + + if (FAILED(hr)) { + av_log(avctx, AV_LOG_ERROR, "Failed to create output metadata buffer.\n"); + return AVERROR_UNKNOWN; + } + + return 0; +} + +static int d3d12va_encode_issue(AVCodecContext *avctx, + const FFHWBaseEncodePicture *base_pic) +{ + FFHWBaseEncodeContext *base_ctx = avctx->priv_data; + D3D12VAEncodeContext *ctx = avctx->priv_data; + AVD3D12VAFramesContext *frames_hwctx = base_ctx->input_frames->hwctx; + D3D12VAEncodePicture *pic = (D3D12VAEncodePicture *)base_pic; + int err, i, j; + HRESULT hr; + char data[MAX_PARAM_BUFFER_SIZE]; + void *ptr; + size_t bit_len; + ID3D12CommandAllocator *command_allocator = NULL; + ID3D12VideoEncodeCommandList2 *cmd_list = ctx->command_list; + D3D12_RESOURCE_BARRIER barriers[32] = { 0 }; + D3D12_VIDEO_ENCODE_REFERENCE_FRAMES d3d12_refs = { 0 }; + + D3D12_VIDEO_ENCODER_ENCODEFRAME_INPUT_ARGUMENTS input_args = { + .SequenceControlDesc = { + .Flags = D3D12_VIDEO_ENCODER_SEQUENCE_CONTROL_FLAG_NONE, + .IntraRefreshConfig = { 0 }, + .RateControl = ctx->rc, + .PictureTargetResolution = ctx->resolution, + .SelectedLayoutMode = D3D12_VIDEO_ENCODER_FRAME_SUBREGION_LAYOUT_MODE_FULL_FRAME, + .FrameSubregionsLayoutData = { 0 }, + .CodecGopSequence = ctx->gop, + }, + .pInputFrame = pic->input_surface->texture, + .InputFrameSubresource = 0, + }; + + D3D12_VIDEO_ENCODER_ENCODEFRAME_OUTPUT_ARGUMENTS output_args = { 0 }; + + D3D12_VIDEO_ENCODER_RESOLVE_METADATA_INPUT_ARGUMENTS input_metadata = { + .EncoderCodec = ctx->codec->d3d12_codec, + .EncoderProfile = ctx->profile->d3d12_profile, + .EncoderInputFormat = frames_hwctx->format, + .EncodedPictureEffectiveResolution = ctx->resolution, + }; + + D3D12_VIDEO_ENCODER_RESOLVE_METADATA_OUTPUT_ARGUMENTS output_metadata = { 0 }; + + memset(data, 0, sizeof(data)); + + av_log(avctx, AV_LOG_DEBUG, "Issuing encode for pic %"PRId64"/%"PRId64" " + "as type %s.\n", base_pic->display_order, base_pic->encode_order, + ff_hw_base_encode_get_pictype_name(base_pic->type)); + if (base_pic->nb_refs[0] == 0 && base_pic->nb_refs[1] == 0) { + av_log(avctx, AV_LOG_DEBUG, "No reference pictures.\n"); + } else { + av_log(avctx, AV_LOG_DEBUG, "L0 refers to"); + for (i = 0; i < base_pic->nb_refs[0]; i++) { + av_log(avctx, AV_LOG_DEBUG, " %"PRId64"/%"PRId64, + base_pic->refs[0][i]->display_order, base_pic->refs[0][i]->encode_order); + } + av_log(avctx, AV_LOG_DEBUG, ".\n"); + + if (base_pic->nb_refs[1]) { + av_log(avctx, AV_LOG_DEBUG, "L1 refers to"); + for (i = 0; i < base_pic->nb_refs[1]; i++) { + av_log(avctx, AV_LOG_DEBUG, " %"PRId64"/%"PRId64, + base_pic->refs[1][i]->display_order, base_pic->refs[1][i]->encode_order); + } + av_log(avctx, AV_LOG_DEBUG, ".\n"); + } + } + + av_assert0(!base_pic->encode_issued); + for (i = 0; i < base_pic->nb_refs[0]; i++) { + av_assert0(base_pic->refs[0][i]); + av_assert0(base_pic->refs[0][i]->encode_issued); + } + for (i = 0; i < base_pic->nb_refs[1]; i++) { + av_assert0(base_pic->refs[1][i]); + av_assert0(base_pic->refs[1][i]->encode_issued); + } + + av_log(avctx, AV_LOG_DEBUG, "Input surface is %p.\n", pic->input_surface->texture); + + err = av_hwframe_get_buffer(base_ctx->recon_frames_ref, base_pic->recon_image, 0); + if (err < 0) { + err = AVERROR(ENOMEM); + goto fail; + } + + pic->recon_surface = (AVD3D12VAFrame *)base_pic->recon_image->data[0]; + av_log(avctx, AV_LOG_DEBUG, "Recon surface is %p.\n", + pic->recon_surface->texture); + + pic->output_buffer_ref = av_buffer_pool_get(ctx->output_buffer_pool); + if (!pic->output_buffer_ref) { + err = AVERROR(ENOMEM); + goto fail; + } + pic->output_buffer = (ID3D12Resource *)pic->output_buffer_ref->data; + av_log(avctx, AV_LOG_DEBUG, "Output buffer is %p.\n", + pic->output_buffer); + + err = d3d12va_encode_create_metadata_buffers(avctx, pic); + if (err < 0) + goto fail; + + if (ctx->codec->init_picture_params) { + err = ctx->codec->init_picture_params(avctx, pic); + if (err < 0) { + av_log(avctx, AV_LOG_ERROR, "Failed to initialise picture " + "parameters: %d.\n", err); + goto fail; + } + } + + if (base_pic->type == FF_HW_PICTURE_TYPE_IDR) { + if (ctx->codec->write_sequence_header) { + bit_len = 8 * sizeof(data); + err = ctx->codec->write_sequence_header(avctx, data, &bit_len); + if (err < 0) { + av_log(avctx, AV_LOG_ERROR, "Failed to write per-sequence " + "header: %d.\n", err); + goto fail; + } + } + + pic->header_size = (int)bit_len / 8; + pic->header_size = pic->header_size % ctx->req.CompressedBitstreamBufferAccessAlignment ? + FFALIGN(pic->header_size, ctx->req.CompressedBitstreamBufferAccessAlignment) : + pic->header_size; + + hr = ID3D12Resource_Map(pic->output_buffer, 0, NULL, (void **)&ptr); + if (FAILED(hr)) { + err = AVERROR_UNKNOWN; + goto fail; + } + + memcpy(ptr, data, pic->header_size); + ID3D12Resource_Unmap(pic->output_buffer, 0, NULL); + } + + d3d12_refs.NumTexture2Ds = base_pic->nb_refs[0] + base_pic->nb_refs[1]; + if (d3d12_refs.NumTexture2Ds) { + d3d12_refs.ppTexture2Ds = av_calloc(d3d12_refs.NumTexture2Ds, + sizeof(*d3d12_refs.ppTexture2Ds)); + if (!d3d12_refs.ppTexture2Ds) { + err = AVERROR(ENOMEM); + goto fail; + } + + i = 0; + for (j = 0; j < base_pic->nb_refs[0]; j++) + d3d12_refs.ppTexture2Ds[i++] = ((D3D12VAEncodePicture *)base_pic->refs[0][j])->recon_surface->texture; + for (j = 0; j < base_pic->nb_refs[1]; j++) + d3d12_refs.ppTexture2Ds[i++] = ((D3D12VAEncodePicture *)base_pic->refs[1][j])->recon_surface->texture; + } + + input_args.PictureControlDesc.IntraRefreshFrameIndex = 0; + if (base_pic->is_reference) + input_args.PictureControlDesc.Flags |= D3D12_VIDEO_ENCODER_PICTURE_CONTROL_FLAG_USED_AS_REFERENCE_PICTURE; + + input_args.PictureControlDesc.PictureControlCodecData = pic->pic_ctl; + input_args.PictureControlDesc.ReferenceFrames = d3d12_refs; + input_args.CurrentFrameBitstreamMetadataSize = pic->header_size; + + output_args.Bitstream.pBuffer = pic->output_buffer; + output_args.Bitstream.FrameStartOffset = pic->header_size; + output_args.ReconstructedPicture.pReconstructedPicture = pic->recon_surface->texture; + output_args.ReconstructedPicture.ReconstructedPictureSubresource = 0; + output_args.EncoderOutputMetadata.pBuffer = pic->encoded_metadata; + output_args.EncoderOutputMetadata.Offset = 0; + + input_metadata.HWLayoutMetadata.pBuffer = pic->encoded_metadata; + input_metadata.HWLayoutMetadata.Offset = 0; + + output_metadata.ResolvedLayoutMetadata.pBuffer = pic->resolved_metadata; + output_metadata.ResolvedLayoutMetadata.Offset = 0; + + err = d3d12va_get_valid_command_allocator(avctx, &command_allocator); + if (err < 0) + goto fail; + + hr = ID3D12CommandAllocator_Reset(command_allocator); + if (FAILED(hr)) { + err = AVERROR_UNKNOWN; + goto fail; + } + + hr = ID3D12VideoEncodeCommandList2_Reset(cmd_list, command_allocator); + if (FAILED(hr)) { + err = AVERROR_UNKNOWN; + goto fail; + } + +#define TRANSITION_BARRIER(res, before, after) \ + (D3D12_RESOURCE_BARRIER) { \ + .Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION, \ + .Flags = D3D12_RESOURCE_BARRIER_FLAG_NONE, \ + .Transition = { \ + .pResource = res, \ + .Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES, \ + .StateBefore = before, \ + .StateAfter = after, \ + }, \ + } + + barriers[0] = TRANSITION_BARRIER(pic->input_surface->texture, + D3D12_RESOURCE_STATE_COMMON, + D3D12_RESOURCE_STATE_VIDEO_ENCODE_READ); + barriers[1] = TRANSITION_BARRIER(pic->output_buffer, + D3D12_RESOURCE_STATE_COMMON, + D3D12_RESOURCE_STATE_VIDEO_ENCODE_WRITE); + barriers[2] = TRANSITION_BARRIER(pic->recon_surface->texture, + D3D12_RESOURCE_STATE_COMMON, + D3D12_RESOURCE_STATE_VIDEO_ENCODE_WRITE); + barriers[3] = TRANSITION_BARRIER(pic->encoded_metadata, + D3D12_RESOURCE_STATE_COMMON, + D3D12_RESOURCE_STATE_VIDEO_ENCODE_WRITE); + barriers[4] = TRANSITION_BARRIER(pic->resolved_metadata, + D3D12_RESOURCE_STATE_COMMON, + D3D12_RESOURCE_STATE_VIDEO_ENCODE_WRITE); + + ID3D12VideoEncodeCommandList2_ResourceBarrier(cmd_list, 5, barriers); + + if (d3d12_refs.NumTexture2Ds) { + D3D12_RESOURCE_BARRIER refs_barriers[3]; + + for (i = 0; i < d3d12_refs.NumTexture2Ds; i++) + refs_barriers[i] = TRANSITION_BARRIER(d3d12_refs.ppTexture2Ds[i], + D3D12_RESOURCE_STATE_COMMON, + D3D12_RESOURCE_STATE_VIDEO_ENCODE_READ); + + ID3D12VideoEncodeCommandList2_ResourceBarrier(cmd_list, d3d12_refs.NumTexture2Ds, + refs_barriers); + } + + ID3D12VideoEncodeCommandList2_EncodeFrame(cmd_list, ctx->encoder, ctx->encoder_heap, + &input_args, &output_args); + + barriers[3] = TRANSITION_BARRIER(pic->encoded_metadata, + D3D12_RESOURCE_STATE_VIDEO_ENCODE_WRITE, + D3D12_RESOURCE_STATE_VIDEO_ENCODE_READ); + + ID3D12VideoEncodeCommandList2_ResourceBarrier(cmd_list, 1, &barriers[3]); + + ID3D12VideoEncodeCommandList2_ResolveEncoderOutputMetadata(cmd_list, &input_metadata, &output_metadata); + + if (d3d12_refs.NumTexture2Ds) { + D3D12_RESOURCE_BARRIER refs_barriers[3]; + + for (i = 0; i < d3d12_refs.NumTexture2Ds; i++) + refs_barriers[i] = TRANSITION_BARRIER(d3d12_refs.ppTexture2Ds[i], + D3D12_RESOURCE_STATE_VIDEO_ENCODE_READ, + D3D12_RESOURCE_STATE_COMMON); + + ID3D12VideoEncodeCommandList2_ResourceBarrier(cmd_list, d3d12_refs.NumTexture2Ds, + refs_barriers); + } + + barriers[0] = TRANSITION_BARRIER(pic->input_surface->texture, + D3D12_RESOURCE_STATE_VIDEO_ENCODE_READ, + D3D12_RESOURCE_STATE_COMMON); + barriers[1] = TRANSITION_BARRIER(pic->output_buffer, + D3D12_RESOURCE_STATE_VIDEO_ENCODE_WRITE, + D3D12_RESOURCE_STATE_COMMON); + barriers[2] = TRANSITION_BARRIER(pic->recon_surface->texture, + D3D12_RESOURCE_STATE_VIDEO_ENCODE_WRITE, + D3D12_RESOURCE_STATE_COMMON); + barriers[3] = TRANSITION_BARRIER(pic->encoded_metadata, + D3D12_RESOURCE_STATE_VIDEO_ENCODE_READ, + D3D12_RESOURCE_STATE_COMMON); + barriers[4] = TRANSITION_BARRIER(pic->resolved_metadata, + D3D12_RESOURCE_STATE_VIDEO_ENCODE_WRITE, + D3D12_RESOURCE_STATE_COMMON); + + ID3D12VideoEncodeCommandList2_ResourceBarrier(cmd_list, 5, barriers); + + hr = ID3D12VideoEncodeCommandList2_Close(cmd_list); + if (FAILED(hr)) { + err = AVERROR_UNKNOWN; + goto fail; + } + + hr = ID3D12CommandQueue_Wait(ctx->command_queue, pic->input_surface->sync_ctx.fence, + pic->input_surface->sync_ctx.fence_value); + if (FAILED(hr)) { + err = AVERROR_UNKNOWN; + goto fail; + } + + ID3D12CommandQueue_ExecuteCommandLists(ctx->command_queue, 1, (ID3D12CommandList **)&ctx->command_list); + + hr = ID3D12CommandQueue_Signal(ctx->command_queue, pic->input_surface->sync_ctx.fence, + ++pic->input_surface->sync_ctx.fence_value); + if (FAILED(hr)) { + err = AVERROR_UNKNOWN; + goto fail; + } + + hr = ID3D12CommandQueue_Signal(ctx->command_queue, ctx->sync_ctx.fence, ++ctx->sync_ctx.fence_value); + if (FAILED(hr)) { + err = AVERROR_UNKNOWN; + goto fail; + } + + err = d3d12va_discard_command_allocator(avctx, command_allocator, ctx->sync_ctx.fence_value); + if (err < 0) + goto fail; + + pic->fence_value = ctx->sync_ctx.fence_value; + + if (d3d12_refs.ppTexture2Ds) + av_freep(&d3d12_refs.ppTexture2Ds); + + return 0; + +fail: + if (command_allocator) + d3d12va_discard_command_allocator(avctx, command_allocator, ctx->sync_ctx.fence_value); + + if (d3d12_refs.ppTexture2Ds) + av_freep(&d3d12_refs.ppTexture2Ds); + + if (ctx->codec->free_picture_params) + ctx->codec->free_picture_params(pic); + + av_buffer_unref(&pic->output_buffer_ref); + pic->output_buffer = NULL; + D3D12_OBJECT_RELEASE(pic->encoded_metadata); + D3D12_OBJECT_RELEASE(pic->resolved_metadata); + return err; +} + +static int d3d12va_encode_discard(AVCodecContext *avctx, + D3D12VAEncodePicture *pic) +{ + FFHWBaseEncodePicture *base_pic = &pic->base; + d3d12va_encode_wait(avctx, pic); + + if (pic->output_buffer_ref) { + av_log(avctx, AV_LOG_DEBUG, "Discard output for pic " + "%"PRId64"/%"PRId64".\n", + base_pic->display_order, base_pic->encode_order); + + av_buffer_unref(&pic->output_buffer_ref); + pic->output_buffer = NULL; + } + + D3D12_OBJECT_RELEASE(pic->encoded_metadata); + D3D12_OBJECT_RELEASE(pic->resolved_metadata); + + return 0; +} + +static int d3d12va_encode_free_rc_params(AVCodecContext *avctx) +{ + D3D12VAEncodeContext *ctx = avctx->priv_data; + + switch (ctx->rc.Mode) + { + case D3D12_VIDEO_ENCODER_RATE_CONTROL_MODE_CQP: + av_freep(&ctx->rc.ConfigParams.pConfiguration_CQP); + break; + case D3D12_VIDEO_ENCODER_RATE_CONTROL_MODE_CBR: + av_freep(&ctx->rc.ConfigParams.pConfiguration_CBR); + break; + case D3D12_VIDEO_ENCODER_RATE_CONTROL_MODE_VBR: + av_freep(&ctx->rc.ConfigParams.pConfiguration_VBR); + break; + case D3D12_VIDEO_ENCODER_RATE_CONTROL_MODE_QVBR: + av_freep(&ctx->rc.ConfigParams.pConfiguration_QVBR); + break; + default: + break; + } + + return 0; +} + +static FFHWBaseEncodePicture *d3d12va_encode_alloc(AVCodecContext *avctx, + const AVFrame *frame) +{ + D3D12VAEncodeContext *ctx = avctx->priv_data; + D3D12VAEncodePicture *pic; + + pic = av_mallocz(sizeof(*pic)); + if (!pic) + return NULL; + + if (ctx->codec->picture_priv_data_size > 0) { + pic->base.priv_data = av_mallocz(ctx->codec->picture_priv_data_size); + if (!pic->base.priv_data) { + av_freep(&pic); + return NULL; + } + } + + pic->input_surface = (AVD3D12VAFrame *)frame->data[0]; + + return &pic->base; +} + +static int d3d12va_encode_free(AVCodecContext *avctx, + FFHWBaseEncodePicture *base_pic) +{ + D3D12VAEncodeContext *ctx = avctx->priv_data; + D3D12VAEncodePicture *pic = (D3D12VAEncodePicture *)base_pic; + + if (base_pic->encode_issued) + d3d12va_encode_discard(avctx, pic); + + if (ctx->codec->free_picture_params) + ctx->codec->free_picture_params(pic); + + ff_hw_base_encode_free(base_pic); + + av_free(pic); + + return 0; +} + +static int d3d12va_encode_get_buffer_size(AVCodecContext *avctx, + D3D12VAEncodePicture *pic, size_t *size) +{ + D3D12_VIDEO_ENCODER_OUTPUT_METADATA *meta = NULL; + uint8_t *data; + HRESULT hr; + int err; + + hr = ID3D12Resource_Map(pic->resolved_metadata, 0, NULL, (void **)&data); + if (FAILED(hr)) { + err = AVERROR_UNKNOWN; + return err; + } + + meta = (D3D12_VIDEO_ENCODER_OUTPUT_METADATA *)data; + + if (meta->EncodeErrorFlags != D3D12_VIDEO_ENCODER_ENCODE_ERROR_FLAG_NO_ERROR) { + av_log(avctx, AV_LOG_ERROR, "Encode failed %"PRIu64"\n", meta->EncodeErrorFlags); + err = AVERROR(EINVAL); + return err; + } + + if (meta->EncodedBitstreamWrittenBytesCount == 0) { + av_log(avctx, AV_LOG_ERROR, "No bytes were written to encoded bitstream\n"); + err = AVERROR(EINVAL); + return err; + } + + *size = meta->EncodedBitstreamWrittenBytesCount; + + ID3D12Resource_Unmap(pic->resolved_metadata, 0, NULL); + + return 0; +} + +static int d3d12va_encode_get_coded_data(AVCodecContext *avctx, + D3D12VAEncodePicture *pic, AVPacket *pkt) +{ + int err; + uint8_t *ptr, *mapped_data; + size_t total_size = 0; + HRESULT hr; + + err = d3d12va_encode_get_buffer_size(avctx, pic, &total_size); + if (err < 0) + goto end; + + total_size += pic->header_size; + av_log(avctx, AV_LOG_DEBUG, "Output buffer size %"PRId64"\n", total_size); + + hr = ID3D12Resource_Map(pic->output_buffer, 0, NULL, (void **)&mapped_data); + if (FAILED(hr)) { + err = AVERROR_UNKNOWN; + goto end; + } + + err = ff_get_encode_buffer(avctx, pkt, total_size, 0); + if (err < 0) + goto end; + ptr = pkt->data; + + memcpy(ptr, mapped_data, total_size); + + ID3D12Resource_Unmap(pic->output_buffer, 0, NULL); + +end: + av_buffer_unref(&pic->output_buffer_ref); + pic->output_buffer = NULL; + return err; +} + +static int d3d12va_encode_output(AVCodecContext *avctx, + const FFHWBaseEncodePicture *base_pic, AVPacket *pkt) +{ + D3D12VAEncodePicture *pic = (D3D12VAEncodePicture *)base_pic; + AVPacket *pkt_ptr = pkt; + int err; + + err = d3d12va_encode_wait(avctx, pic); + if (err < 0) + return err; + + err = d3d12va_encode_get_coded_data(avctx, pic, pkt); + if (err < 0) + return err; + + av_log(avctx, AV_LOG_DEBUG, "Output read for pic %"PRId64"/%"PRId64".\n", + base_pic->display_order, base_pic->encode_order); + + ff_hw_base_encode_set_output_property(avctx, (FFHWBaseEncodePicture *)base_pic, pkt_ptr, 0); + + return 0; +} + +static int d3d12va_encode_set_profile(AVCodecContext *avctx) +{ + FFHWBaseEncodeContext *base_ctx = avctx->priv_data; + D3D12VAEncodeContext *ctx = avctx->priv_data; + const D3D12VAEncodeProfile *profile; + const AVPixFmtDescriptor *desc; + int i, depth; + + desc = av_pix_fmt_desc_get(base_ctx->input_frames->sw_format); + if (!desc) { + av_log(avctx, AV_LOG_ERROR, "Invalid input pixfmt (%d).\n", + base_ctx->input_frames->sw_format); + return AVERROR(EINVAL); + } + + depth = desc->comp[0].depth; + for (i = 1; i < desc->nb_components; i++) { + if (desc->comp[i].depth != depth) { + av_log(avctx, AV_LOG_ERROR, "Invalid input pixfmt (%s).\n", + desc->name); + return AVERROR(EINVAL); + } + } + av_log(avctx, AV_LOG_VERBOSE, "Input surface format is %s.\n", + desc->name); + + av_assert0(ctx->codec->profiles); + for (i = 0; (ctx->codec->profiles[i].av_profile != + AV_PROFILE_UNKNOWN); i++) { + profile = &ctx->codec->profiles[i]; + if (depth != profile->depth || + desc->nb_components != profile->nb_components) + continue; + if (desc->nb_components > 1 && + (desc->log2_chroma_w != profile->log2_chroma_w || + desc->log2_chroma_h != profile->log2_chroma_h)) + continue; + if (avctx->profile != profile->av_profile && + avctx->profile != AV_PROFILE_UNKNOWN) + continue; + + ctx->profile = profile; + break; + } + if (!ctx->profile) { + av_log(avctx, AV_LOG_ERROR, "No usable encoding profile found.\n"); + return AVERROR(ENOSYS); + } + + avctx->profile = profile->av_profile; + return 0; +} + +static const D3D12VAEncodeRCMode d3d12va_encode_rc_modes[] = { + // Bitrate Quality + // | Maxrate | HRD/VBV + { 0 }, // | | | | + { RC_MODE_CQP, "CQP", 0, 0, 1, 0, D3D12_VIDEO_ENCODER_RATE_CONTROL_MODE_CQP }, + { RC_MODE_CBR, "CBR", 1, 0, 0, 1, D3D12_VIDEO_ENCODER_RATE_CONTROL_MODE_CBR }, + { RC_MODE_VBR, "VBR", 1, 1, 0, 1, D3D12_VIDEO_ENCODER_RATE_CONTROL_MODE_VBR }, + { RC_MODE_QVBR, "QVBR", 1, 1, 1, 1, D3D12_VIDEO_ENCODER_RATE_CONTROL_MODE_QVBR }, +}; + +static int check_rate_control_support(AVCodecContext *avctx, const D3D12VAEncodeRCMode *rc_mode) +{ + HRESULT hr; + D3D12VAEncodeContext *ctx = avctx->priv_data; + D3D12_FEATURE_DATA_VIDEO_ENCODER_RATE_CONTROL_MODE d3d12_rc_mode = { + .Codec = ctx->codec->d3d12_codec, + }; + + if (!rc_mode->d3d12_mode) + return 0; + + d3d12_rc_mode.IsSupported = 0; + d3d12_rc_mode.RateControlMode = rc_mode->d3d12_mode; + + hr = ID3D12VideoDevice3_CheckFeatureSupport(ctx->video_device3, + D3D12_FEATURE_VIDEO_ENCODER_RATE_CONTROL_MODE, + &d3d12_rc_mode, sizeof(d3d12_rc_mode)); + if (FAILED(hr)) { + av_log(avctx, AV_LOG_ERROR, "Failed to check rate control support.\n"); + return 0; + } + + return d3d12_rc_mode.IsSupported; +} + +static int d3d12va_encode_init_rate_control(AVCodecContext *avctx) +{ + D3D12VAEncodeContext *ctx = avctx->priv_data; + int64_t rc_target_bitrate; + int64_t rc_peak_bitrate; + int rc_quality; + int64_t hrd_buffer_size; + int64_t hrd_initial_buffer_fullness; + int fr_num, fr_den; + const D3D12VAEncodeRCMode *rc_mode; + + // Rate control mode selection: + // * If the user has set a mode explicitly with the rc_mode option, + // use it and fail if it is not available. + // * If an explicit QP option has been set, use CQP. + // * If the codec is CQ-only, use CQP. + // * If the QSCALE avcodec option is set, use CQP. + // * If bitrate and quality are both set, try QVBR. + // * If quality is set, try CQP. + // * If bitrate and maxrate are set and have the same value, try CBR. + // * If a bitrate is set, try VBR, then CBR. + // * If no bitrate is set, try CQP. + +#define TRY_RC_MODE(mode, fail) do { \ + rc_mode = &d3d12va_encode_rc_modes[mode]; \ + if (!(rc_mode->d3d12_mode && check_rate_control_support(avctx, rc_mode))) { \ + if (fail) { \ + av_log(avctx, AV_LOG_ERROR, "Driver does not support %s " \ + "RC mode.\n", rc_mode->name); \ + return AVERROR(EINVAL); \ + } \ + av_log(avctx, AV_LOG_DEBUG, "Driver does not support %s " \ + "RC mode.\n", rc_mode->name); \ + rc_mode = NULL; \ + } else { \ + goto rc_mode_found; \ + } \ + } while (0) + + if (ctx->explicit_rc_mode) + TRY_RC_MODE(ctx->explicit_rc_mode, 1); + + if (ctx->explicit_qp) + TRY_RC_MODE(RC_MODE_CQP, 1); + + if (ctx->codec->flags & FF_HW_FLAG_CONSTANT_QUALITY_ONLY) + TRY_RC_MODE(RC_MODE_CQP, 1); + + if (avctx->flags & AV_CODEC_FLAG_QSCALE) + TRY_RC_MODE(RC_MODE_CQP, 1); + + if (avctx->bit_rate > 0 && avctx->global_quality > 0) + TRY_RC_MODE(RC_MODE_QVBR, 0); + + if (avctx->global_quality > 0) { + TRY_RC_MODE(RC_MODE_CQP, 0); + } + + if (avctx->bit_rate > 0 && avctx->rc_max_rate == avctx->bit_rate) + TRY_RC_MODE(RC_MODE_CBR, 0); + + if (avctx->bit_rate > 0) { + TRY_RC_MODE(RC_MODE_VBR, 0); + TRY_RC_MODE(RC_MODE_CBR, 0); + } else { + TRY_RC_MODE(RC_MODE_CQP, 0); + } + + av_log(avctx, AV_LOG_ERROR, "Driver does not support any " + "RC mode compatible with selected options.\n"); + return AVERROR(EINVAL); + +rc_mode_found: + if (rc_mode->bitrate) { + if (avctx->bit_rate <= 0) { + av_log(avctx, AV_LOG_ERROR, "Bitrate must be set for %s " + "RC mode.\n", rc_mode->name); + return AVERROR(EINVAL); + } + + if (rc_mode->maxrate) { + if (avctx->rc_max_rate > 0) { + if (avctx->rc_max_rate < avctx->bit_rate) { + av_log(avctx, AV_LOG_ERROR, "Invalid bitrate settings: " + "bitrate (%"PRId64") must not be greater than " + "maxrate (%"PRId64").\n", avctx->bit_rate, + avctx->rc_max_rate); + return AVERROR(EINVAL); + } + rc_target_bitrate = avctx->bit_rate; + rc_peak_bitrate = avctx->rc_max_rate; + } else { + // We only have a target bitrate, but this mode requires + // that a maximum rate be supplied as well. Since the + // user does not want this to be a constraint, arbitrarily + // pick a maximum rate of double the target rate. + rc_target_bitrate = avctx->bit_rate; + rc_peak_bitrate = 2 * avctx->bit_rate; + } + } else { + if (avctx->rc_max_rate > avctx->bit_rate) { + av_log(avctx, AV_LOG_WARNING, "Max bitrate is ignored " + "in %s RC mode.\n", rc_mode->name); + } + rc_target_bitrate = avctx->bit_rate; + rc_peak_bitrate = 0; + } + } else { + rc_target_bitrate = 0; + rc_peak_bitrate = 0; + } + + if (rc_mode->quality) { + if (ctx->explicit_qp) { + rc_quality = ctx->explicit_qp; + } else if (avctx->global_quality > 0) { + if (avctx->flags & AV_CODEC_FLAG_QSCALE) + rc_quality = avctx->global_quality / FF_QP2LAMBDA; + else + rc_quality = avctx->global_quality; + } else { + rc_quality = ctx->codec->default_quality; + av_log(avctx, AV_LOG_WARNING, "No quality level set; " + "using default (%d).\n", rc_quality); + } + } else { + rc_quality = 0; + } + + if (rc_mode->hrd) { + if (avctx->rc_buffer_size) + hrd_buffer_size = avctx->rc_buffer_size; + else if (avctx->rc_max_rate > 0) + hrd_buffer_size = avctx->rc_max_rate; + else + hrd_buffer_size = avctx->bit_rate; + if (avctx->rc_initial_buffer_occupancy) { + if (avctx->rc_initial_buffer_occupancy > hrd_buffer_size) { + av_log(avctx, AV_LOG_ERROR, "Invalid RC buffer settings: " + "must have initial buffer size (%d) <= " + "buffer size (%"PRId64").\n", + avctx->rc_initial_buffer_occupancy, hrd_buffer_size); + return AVERROR(EINVAL); + } + hrd_initial_buffer_fullness = avctx->rc_initial_buffer_occupancy; + } else { + hrd_initial_buffer_fullness = hrd_buffer_size * 3 / 4; + } + } else { + if (avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) { + av_log(avctx, AV_LOG_WARNING, "Buffering settings are ignored " + "in %s RC mode.\n", rc_mode->name); + } + + hrd_buffer_size = 0; + hrd_initial_buffer_fullness = 0; + } + + if (rc_target_bitrate > UINT32_MAX || + hrd_buffer_size > UINT32_MAX || + hrd_initial_buffer_fullness > UINT32_MAX) { + av_log(avctx, AV_LOG_ERROR, "RC parameters of 2^32 or " + "greater are not supported by D3D12.\n"); + return AVERROR(EINVAL); + } + + ctx->rc_quality = rc_quality; + + av_log(avctx, AV_LOG_VERBOSE, "RC mode: %s.\n", rc_mode->name); + + if (rc_mode->quality) + av_log(avctx, AV_LOG_VERBOSE, "RC quality: %d.\n", rc_quality); + + if (rc_mode->hrd) { + av_log(avctx, AV_LOG_VERBOSE, "RC buffer: %"PRId64" bits, " + "initial fullness %"PRId64" bits.\n", + hrd_buffer_size, hrd_initial_buffer_fullness); + } + + if (avctx->framerate.num > 0 && avctx->framerate.den > 0) + av_reduce(&fr_num, &fr_den, + avctx->framerate.num, avctx->framerate.den, 65535); + else + av_reduce(&fr_num, &fr_den, + avctx->time_base.den, avctx->time_base.num, 65535); + + av_log(avctx, AV_LOG_VERBOSE, "RC framerate: %d/%d (%.2f fps).\n", + fr_num, fr_den, (double)fr_num / fr_den); + + ctx->rc.Flags = D3D12_VIDEO_ENCODER_RATE_CONTROL_FLAG_NONE; + ctx->rc.TargetFrameRate.Numerator = fr_num; + ctx->rc.TargetFrameRate.Denominator = fr_den; + ctx->rc.Mode = rc_mode->d3d12_mode; + + switch (rc_mode->mode) { + case RC_MODE_CQP: + // cqp ConfigParams will be updated in ctx->codec->configure. + break; + + case RC_MODE_CBR: + D3D12_VIDEO_ENCODER_RATE_CONTROL_CBR *cbr_ctl; + + ctx->rc.ConfigParams.DataSize = sizeof(D3D12_VIDEO_ENCODER_RATE_CONTROL_CBR); + cbr_ctl = av_mallocz(ctx->rc.ConfigParams.DataSize); + if (!cbr_ctl) + return AVERROR(ENOMEM); + + cbr_ctl->TargetBitRate = rc_target_bitrate; + cbr_ctl->VBVCapacity = hrd_buffer_size; + cbr_ctl->InitialVBVFullness = hrd_initial_buffer_fullness; + ctx->rc.Flags |= D3D12_VIDEO_ENCODER_RATE_CONTROL_FLAG_ENABLE_VBV_SIZES; + + if (avctx->qmin > 0 || avctx->qmax > 0) { + cbr_ctl->MinQP = avctx->qmin; + cbr_ctl->MaxQP = avctx->qmax; + ctx->rc.Flags |= D3D12_VIDEO_ENCODER_RATE_CONTROL_FLAG_ENABLE_QP_RANGE; + } + + ctx->rc.ConfigParams.pConfiguration_CBR = cbr_ctl; + break; + + case RC_MODE_VBR: + D3D12_VIDEO_ENCODER_RATE_CONTROL_VBR *vbr_ctl; + + ctx->rc.ConfigParams.DataSize = sizeof(D3D12_VIDEO_ENCODER_RATE_CONTROL_VBR); + vbr_ctl = av_mallocz(ctx->rc.ConfigParams.DataSize); + if (!vbr_ctl) + return AVERROR(ENOMEM); + + vbr_ctl->TargetAvgBitRate = rc_target_bitrate; + vbr_ctl->PeakBitRate = rc_peak_bitrate; + vbr_ctl->VBVCapacity = hrd_buffer_size; + vbr_ctl->InitialVBVFullness = hrd_initial_buffer_fullness; + ctx->rc.Flags |= D3D12_VIDEO_ENCODER_RATE_CONTROL_FLAG_ENABLE_VBV_SIZES; + + if (avctx->qmin > 0 || avctx->qmax > 0) { + vbr_ctl->MinQP = avctx->qmin; + vbr_ctl->MaxQP = avctx->qmax; + ctx->rc.Flags |= D3D12_VIDEO_ENCODER_RATE_CONTROL_FLAG_ENABLE_QP_RANGE; + } + + ctx->rc.ConfigParams.pConfiguration_VBR = vbr_ctl; + break; + + case RC_MODE_QVBR: + D3D12_VIDEO_ENCODER_RATE_CONTROL_QVBR *qvbr_ctl; + + ctx->rc.ConfigParams.DataSize = sizeof(D3D12_VIDEO_ENCODER_RATE_CONTROL_QVBR); + qvbr_ctl = av_mallocz(ctx->rc.ConfigParams.DataSize); + if (!qvbr_ctl) + return AVERROR(ENOMEM); + + qvbr_ctl->TargetAvgBitRate = rc_target_bitrate; + qvbr_ctl->PeakBitRate = rc_peak_bitrate; + qvbr_ctl->ConstantQualityTarget = rc_quality; + + if (avctx->qmin > 0 || avctx->qmax > 0) { + qvbr_ctl->MinQP = avctx->qmin; + qvbr_ctl->MaxQP = avctx->qmax; + ctx->rc.Flags |= D3D12_VIDEO_ENCODER_RATE_CONTROL_FLAG_ENABLE_QP_RANGE; + } + + ctx->rc.ConfigParams.pConfiguration_QVBR = qvbr_ctl; + break; + + default: + break; + } + return 0; +} + +static int d3d12va_encode_init_gop_structure(AVCodecContext *avctx) +{ + FFHWBaseEncodeContext *base_ctx = avctx->priv_data; + D3D12VAEncodeContext *ctx = avctx->priv_data; + uint32_t ref_l0, ref_l1; + int err; + HRESULT hr; + D3D12_FEATURE_DATA_VIDEO_ENCODER_CODEC_PICTURE_CONTROL_SUPPORT support; + union { + D3D12_VIDEO_ENCODER_CODEC_PICTURE_CONTROL_SUPPORT_H264 h264; + D3D12_VIDEO_ENCODER_CODEC_PICTURE_CONTROL_SUPPORT_HEVC hevc; + } codec_support; + + support.NodeIndex = 0; + support.Codec = ctx->codec->d3d12_codec; + support.Profile = ctx->profile->d3d12_profile; + + switch (ctx->codec->d3d12_codec) { + case D3D12_VIDEO_ENCODER_CODEC_H264: + support.PictureSupport.DataSize = sizeof(codec_support.h264); + support.PictureSupport.pH264Support = &codec_support.h264; + break; + + case D3D12_VIDEO_ENCODER_CODEC_HEVC: + support.PictureSupport.DataSize = sizeof(codec_support.hevc); + support.PictureSupport.pHEVCSupport = &codec_support.hevc; + break; + + default: + av_assert0(0); + } + + hr = ID3D12VideoDevice3_CheckFeatureSupport(ctx->video_device3, D3D12_FEATURE_VIDEO_ENCODER_CODEC_PICTURE_CONTROL_SUPPORT, + &support, sizeof(support)); + if (FAILED(hr)) + return AVERROR(EINVAL); + + if (support.IsSupported) { + switch (ctx->codec->d3d12_codec) { + case D3D12_VIDEO_ENCODER_CODEC_H264: + ref_l0 = FFMIN(support.PictureSupport.pH264Support->MaxL0ReferencesForP, + support.PictureSupport.pH264Support->MaxL1ReferencesForB); + ref_l1 = support.PictureSupport.pH264Support->MaxL1ReferencesForB; + break; + + case D3D12_VIDEO_ENCODER_CODEC_HEVC: + ref_l0 = FFMIN(support.PictureSupport.pHEVCSupport->MaxL0ReferencesForP, + support.PictureSupport.pHEVCSupport->MaxL1ReferencesForB); + ref_l1 = support.PictureSupport.pHEVCSupport->MaxL1ReferencesForB; + break; + + default: + av_assert0(0); + } + } else { + ref_l0 = ref_l1 = 0; + } + + if (ref_l0 > 0 && ref_l1 > 0 && ctx->bi_not_empty) { + base_ctx->p_to_gpb = 1; + av_log(avctx, AV_LOG_VERBOSE, "Driver does not support P-frames, " + "replacing them with B-frames.\n"); + } + + err = ff_hw_base_init_gop_structure(avctx, ref_l0, ref_l1, ctx->codec->flags, 0); + if (err < 0) + return err; + + return 0; +} + +static int d3d12va_create_encoder(AVCodecContext *avctx) +{ + FFHWBaseEncodeContext *base_ctx = avctx->priv_data; + D3D12VAEncodeContext *ctx = avctx->priv_data; + AVD3D12VAFramesContext *frames_hwctx = base_ctx->input_frames->hwctx; + HRESULT hr; + + D3D12_VIDEO_ENCODER_DESC desc = { + .NodeMask = 0, + .Flags = D3D12_VIDEO_ENCODER_FLAG_NONE, + .EncodeCodec = ctx->codec->d3d12_codec, + .EncodeProfile = ctx->profile->d3d12_profile, + .InputFormat = frames_hwctx->format, + .CodecConfiguration = ctx->codec_conf, + .MaxMotionEstimationPrecision = D3D12_VIDEO_ENCODER_MOTION_ESTIMATION_PRECISION_MODE_MAXIMUM, + }; + + hr = ID3D12VideoDevice3_CreateVideoEncoder(ctx->video_device3, &desc, &IID_ID3D12VideoEncoder, + (void **)&ctx->encoder); + if (FAILED(hr)) { + av_log(avctx, AV_LOG_ERROR, "Failed to create encoder.\n"); + return AVERROR(EINVAL); + } + + return 0; +} + +static int d3d12va_create_encoder_heap(AVCodecContext *avctx) +{ + D3D12VAEncodeContext *ctx = avctx->priv_data; + HRESULT hr; + + D3D12_VIDEO_ENCODER_HEAP_DESC desc = { + .NodeMask = 0, + .Flags = D3D12_VIDEO_ENCODER_FLAG_NONE, + .EncodeCodec = ctx->codec->d3d12_codec, + .EncodeProfile = ctx->profile->d3d12_profile, + .EncodeLevel = ctx->level, + .ResolutionsListCount = 1, + .pResolutionList = &ctx->resolution, + }; + + hr = ID3D12VideoDevice3_CreateVideoEncoderHeap(ctx->video_device3, &desc, + &IID_ID3D12VideoEncoderHeap, (void **)&ctx->encoder_heap); + if (FAILED(hr)) { + av_log(avctx, AV_LOG_ERROR, "Failed to create encoder heap.\n"); + return AVERROR(EINVAL); + } + + return 0; +} + +static void d3d12va_encode_free_buffer(void *opaque, uint8_t *data) +{ + ID3D12Resource *pResource; + + pResource = (ID3D12Resource *)data; + D3D12_OBJECT_RELEASE(pResource); +} + +static AVBufferRef *d3d12va_encode_alloc_output_buffer(void *opaque, size_t size) +{ + AVCodecContext *avctx = opaque; + FFHWBaseEncodeContext *base_ctx = avctx->priv_data; + D3D12VAEncodeContext *ctx = avctx->priv_data; + ID3D12Resource *pResource = NULL; + HRESULT hr; + AVBufferRef *ref; + D3D12_HEAP_PROPERTIES heap_props; + D3D12_HEAP_TYPE heap_type = D3D12_HEAP_TYPE_READBACK; + + D3D12_RESOURCE_DESC desc = { + .Dimension = D3D12_RESOURCE_DIMENSION_BUFFER, + .Alignment = 0, + .Width = FFALIGN(3 * base_ctx->surface_width * base_ctx->surface_height + (1 << 16), + D3D12_TEXTURE_DATA_PLACEMENT_ALIGNMENT), + .Height = 1, + .DepthOrArraySize = 1, + .MipLevels = 1, + .Format = DXGI_FORMAT_UNKNOWN, + .SampleDesc = { .Count = 1, .Quality = 0 }, + .Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR, + .Flags = D3D12_RESOURCE_FLAG_NONE, + }; + + ctx->hwctx->device->lpVtbl->GetCustomHeapProperties(ctx->hwctx->device, &heap_props, 0, heap_type); + + hr = ID3D12Device_CreateCommittedResource(ctx->hwctx->device, &heap_props, D3D12_HEAP_FLAG_NONE, + &desc, D3D12_RESOURCE_STATE_COMMON, NULL, &IID_ID3D12Resource, + (void **)&pResource); + + if (FAILED(hr)) { + av_log(avctx, AV_LOG_ERROR, "Failed to create d3d12 buffer.\n"); + return NULL; + } + + ref = av_buffer_create((uint8_t *)(uintptr_t)pResource, + sizeof(pResource), + &d3d12va_encode_free_buffer, + avctx, AV_BUFFER_FLAG_READONLY); + if (!ref) { + D3D12_OBJECT_RELEASE(pResource); + return NULL; + } + + return ref; +} + +static int d3d12va_encode_prepare_output_buffers(AVCodecContext *avctx) +{ + FFHWBaseEncodeContext *base_ctx = avctx->priv_data; + D3D12VAEncodeContext *ctx = avctx->priv_data; + AVD3D12VAFramesContext *frames_ctx = base_ctx->input_frames->hwctx; + HRESULT hr; + + ctx->req.NodeIndex = 0; + ctx->req.Codec = ctx->codec->d3d12_codec; + ctx->req.Profile = ctx->profile->d3d12_profile; + ctx->req.InputFormat = frames_ctx->format; + ctx->req.PictureTargetResolution = ctx->resolution; + + hr = ID3D12VideoDevice3_CheckFeatureSupport(ctx->video_device3, + D3D12_FEATURE_VIDEO_ENCODER_RESOURCE_REQUIREMENTS, + &ctx->req, sizeof(ctx->req)); + if (FAILED(hr)) { + av_log(avctx, AV_LOG_ERROR, "Failed to check encoder resource requirements support.\n"); + return AVERROR(EINVAL); + } + + if (!ctx->req.IsSupported) { + av_log(avctx, AV_LOG_ERROR, "Encoder resource requirements unsupported.\n"); + return AVERROR(EINVAL); + } + + ctx->output_buffer_pool = av_buffer_pool_init2(sizeof(ID3D12Resource *), avctx, + &d3d12va_encode_alloc_output_buffer, NULL); + if (!ctx->output_buffer_pool) + return AVERROR(ENOMEM); + + return 0; +} + +static int d3d12va_encode_create_command_objects(AVCodecContext *avctx) +{ + D3D12VAEncodeContext *ctx = avctx->priv_data; + ID3D12CommandAllocator *command_allocator = NULL; + int err; + HRESULT hr; + + D3D12_COMMAND_QUEUE_DESC queue_desc = { + .Type = D3D12_COMMAND_LIST_TYPE_VIDEO_ENCODE, + .Priority = 0, + .Flags = D3D12_COMMAND_QUEUE_FLAG_NONE, + .NodeMask = 0, + }; + + ctx->allocator_queue = av_fifo_alloc2(D3D12VA_VIDEO_ENC_ASYNC_DEPTH, + sizeof(CommandAllocator), AV_FIFO_FLAG_AUTO_GROW); + if (!ctx->allocator_queue) + return AVERROR(ENOMEM); + + hr = ID3D12Device_CreateFence(ctx->hwctx->device, 0, D3D12_FENCE_FLAG_NONE, + &IID_ID3D12Fence, (void **)&ctx->sync_ctx.fence); + if (FAILED(hr)) { + av_log(avctx, AV_LOG_ERROR, "Failed to create fence(%lx)\n", (long)hr); + err = AVERROR_UNKNOWN; + goto fail; + } + + ctx->sync_ctx.event = CreateEvent(NULL, FALSE, FALSE, NULL); + if (!ctx->sync_ctx.event) + goto fail; + + err = d3d12va_get_valid_command_allocator(avctx, &command_allocator); + if (err < 0) + goto fail; + + hr = ID3D12Device_CreateCommandQueue(ctx->hwctx->device, &queue_desc, + &IID_ID3D12CommandQueue, (void **)&ctx->command_queue); + if (FAILED(hr)) { + av_log(avctx, AV_LOG_ERROR, "Failed to create command queue(%lx)\n", (long)hr); + err = AVERROR_UNKNOWN; + goto fail; + } + + hr = ID3D12Device_CreateCommandList(ctx->hwctx->device, 0, queue_desc.Type, + command_allocator, NULL, &IID_ID3D12CommandList, + (void **)&ctx->command_list); + if (FAILED(hr)) { + av_log(avctx, AV_LOG_ERROR, "Failed to create command list(%lx)\n", (long)hr); + err = AVERROR_UNKNOWN; + goto fail; + } + + hr = ID3D12VideoEncodeCommandList2_Close(ctx->command_list); + if (FAILED(hr)) { + av_log(avctx, AV_LOG_ERROR, "Failed to close the command list(%lx)\n", (long)hr); + err = AVERROR_UNKNOWN; + goto fail; + } + + ID3D12CommandQueue_ExecuteCommandLists(ctx->command_queue, 1, (ID3D12CommandList **)&ctx->command_list); + + err = d3d12va_sync_with_gpu(avctx); + if (err < 0) + goto fail; + + err = d3d12va_discard_command_allocator(avctx, command_allocator, ctx->sync_ctx.fence_value); + if (err < 0) + goto fail; + + return 0; + +fail: + D3D12_OBJECT_RELEASE(command_allocator); + return err; +} + +static int d3d12va_encode_create_recon_frames(AVCodecContext *avctx) +{ + FFHWBaseEncodeContext *base_ctx = avctx->priv_data; + AVD3D12VAFramesContext *hwctx; + enum AVPixelFormat recon_format; + int err; + + err = ff_hw_base_get_recon_format(avctx, NULL, &recon_format); + if (err < 0) + return err; + + base_ctx->recon_frames_ref = av_hwframe_ctx_alloc(base_ctx->device_ref); + if (!base_ctx->recon_frames_ref) + return AVERROR(ENOMEM); + + base_ctx->recon_frames = (AVHWFramesContext *)base_ctx->recon_frames_ref->data; + hwctx = (AVD3D12VAFramesContext *)base_ctx->recon_frames->hwctx; + + base_ctx->recon_frames->format = AV_PIX_FMT_D3D12; + base_ctx->recon_frames->sw_format = recon_format; + base_ctx->recon_frames->width = base_ctx->surface_width; + base_ctx->recon_frames->height = base_ctx->surface_height; + + hwctx->flags = D3D12_RESOURCE_FLAG_VIDEO_ENCODE_REFERENCE_ONLY | + D3D12_RESOURCE_FLAG_DENY_SHADER_RESOURCE; + + err = av_hwframe_ctx_init(base_ctx->recon_frames_ref); + if (err < 0) { + av_log(avctx, AV_LOG_ERROR, "Failed to initialise reconstructed " + "frame context: %d.\n", err); + return err; + } + + return 0; +} + +static const FFHWEncodePictureOperation d3d12va_type = { + .alloc = &d3d12va_encode_alloc, + + .issue = &d3d12va_encode_issue, + + .output = &d3d12va_encode_output, + + .free = &d3d12va_encode_free, +}; + +int ff_d3d12va_encode_init(AVCodecContext *avctx) +{ + FFHWBaseEncodeContext *base_ctx = avctx->priv_data; + D3D12VAEncodeContext *ctx = avctx->priv_data; + D3D12_FEATURE_DATA_VIDEO_FEATURE_AREA_SUPPORT support = { 0 }; + int err; + HRESULT hr; + + err = ff_hw_base_encode_init(avctx); + if (err < 0) + goto fail; + + base_ctx->op = &d3d12va_type; + + ctx->hwctx = base_ctx->device->hwctx; + + ctx->resolution.Width = base_ctx->input_frames->width; + ctx->resolution.Height = base_ctx->input_frames->height; + + hr = ID3D12Device_QueryInterface(ctx->hwctx->device, &IID_ID3D12Device3, (void **)&ctx->device3); + if (FAILED(hr)) { + av_log(avctx, AV_LOG_ERROR, "ID3D12Device3 interface is not supported.\n"); + err = AVERROR_UNKNOWN; + goto fail; + } + + hr = ID3D12Device3_QueryInterface(ctx->device3, &IID_ID3D12VideoDevice3, (void **)&ctx->video_device3); + if (FAILED(hr)) { + av_log(avctx, AV_LOG_ERROR, "ID3D12VideoDevice3 interface is not supported.\n"); + err = AVERROR_UNKNOWN; + goto fail; + } + + if (FAILED(ID3D12VideoDevice3_CheckFeatureSupport(ctx->video_device3, D3D12_FEATURE_VIDEO_FEATURE_AREA_SUPPORT, + &support, sizeof(support))) && !support.VideoEncodeSupport) { + av_log(avctx, AV_LOG_ERROR, "D3D12 video device has no video encoder support.\n"); + err = AVERROR(EINVAL); + goto fail; + } + + err = d3d12va_encode_set_profile(avctx); + if (err < 0) + goto fail; + + err = d3d12va_encode_init_rate_control(avctx); + if (err < 0) + goto fail; + + if (ctx->codec->get_encoder_caps) { + err = ctx->codec->get_encoder_caps(avctx); + if (err < 0) + goto fail; + } + + err = d3d12va_encode_init_gop_structure(avctx); + if (err < 0) + goto fail; + + if (!(ctx->codec->flags & FF_HW_FLAG_SLICE_CONTROL) && avctx->slices > 0) { + av_log(avctx, AV_LOG_WARNING, "Multiple slices were requested " + "but this codec does not support controlling slices.\n"); + } + + err = d3d12va_encode_create_command_objects(avctx); + if (err < 0) + goto fail; + + err = d3d12va_encode_create_recon_frames(avctx); + if (err < 0) + goto fail; + + err = d3d12va_encode_prepare_output_buffers(avctx); + if (err < 0) + goto fail; + + if (ctx->codec->configure) { + err = ctx->codec->configure(avctx); + if (err < 0) + goto fail; + } + + if (ctx->codec->init_sequence_params) { + err = ctx->codec->init_sequence_params(avctx); + if (err < 0) { + av_log(avctx, AV_LOG_ERROR, "Codec sequence initialisation " + "failed: %d.\n", err); + goto fail; + } + } + + if (ctx->codec->set_level) { + err = ctx->codec->set_level(avctx); + if (err < 0) + goto fail; + } + + base_ctx->output_delay = base_ctx->b_per_p; + base_ctx->decode_delay = base_ctx->max_b_depth; + + err = d3d12va_create_encoder(avctx); + if (err < 0) + goto fail; + + err = d3d12va_create_encoder_heap(avctx); + if (err < 0) + goto fail; + + base_ctx->async_encode = 1; + base_ctx->encode_fifo = av_fifo_alloc2(base_ctx->async_depth, + sizeof(D3D12VAEncodePicture *), 0); + if (!base_ctx->encode_fifo) + return AVERROR(ENOMEM); + + return 0; + +fail: + return err; +} + +int ff_d3d12va_encode_close(AVCodecContext *avctx) +{ + int num_allocator = 0; + FFHWBaseEncodeContext *base_ctx = avctx->priv_data; + D3D12VAEncodeContext *ctx = avctx->priv_data; + FFHWBaseEncodePicture *pic, *next; + CommandAllocator allocator; + + if (!base_ctx->frame) + return 0; + + for (pic = base_ctx->pic_start; pic; pic = next) { + next = pic->next; + d3d12va_encode_free(avctx, pic); + } + + d3d12va_encode_free_rc_params(avctx); + + av_buffer_pool_uninit(&ctx->output_buffer_pool); + + D3D12_OBJECT_RELEASE(ctx->command_list); + D3D12_OBJECT_RELEASE(ctx->command_queue); + + if (ctx->allocator_queue) { + while (av_fifo_read(ctx->allocator_queue, &allocator, 1) >= 0) { + num_allocator++; + D3D12_OBJECT_RELEASE(allocator.command_allocator); + } + + av_log(avctx, AV_LOG_VERBOSE, "Total number of command allocators reused: %d\n", num_allocator); + } + + av_fifo_freep2(&ctx->allocator_queue); + + D3D12_OBJECT_RELEASE(ctx->sync_ctx.fence); + if (ctx->sync_ctx.event) + CloseHandle(ctx->sync_ctx.event); + + D3D12_OBJECT_RELEASE(ctx->encoder_heap); + D3D12_OBJECT_RELEASE(ctx->encoder); + D3D12_OBJECT_RELEASE(ctx->video_device3); + D3D12_OBJECT_RELEASE(ctx->device3); + + ff_hw_base_encode_close(avctx); + + return 0; +} diff --git a/libavcodec/d3d12va_encode.h b/libavcodec/d3d12va_encode.h new file mode 100644 index 0000000000..f355261f66 --- /dev/null +++ b/libavcodec/d3d12va_encode.h @@ -0,0 +1,334 @@ +/* + * Direct3D 12 HW acceleration video encoder + * + * Copyright (c) 2024 Intel Corporation + * + * 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 + */ + +#ifndef AVCODEC_D3D12VA_ENCODE_H +#define AVCODEC_D3D12VA_ENCODE_H + +#include "libavutil/fifo.h" +#include "libavutil/hwcontext.h" +#include "libavutil/hwcontext_d3d12va_internal.h" +#include "libavutil/hwcontext_d3d12va.h" +#include "avcodec.h" +#include "internal.h" +#include "hwconfig.h" +#include "hw_base_encode.h" + +struct D3D12VAEncodeType; + +extern const AVCodecHWConfigInternal *const ff_d3d12va_encode_hw_configs[]; + +#define MAX_PARAM_BUFFER_SIZE 4096 +#define D3D12VA_VIDEO_ENC_ASYNC_DEPTH 8 + +typedef struct D3D12VAEncodePicture { + FFHWBaseEncodePicture base; + + int header_size; + + AVD3D12VAFrame *input_surface; + AVD3D12VAFrame *recon_surface; + + AVBufferRef *output_buffer_ref; + ID3D12Resource *output_buffer; + + ID3D12Resource *encoded_metadata; + ID3D12Resource *resolved_metadata; + + D3D12_VIDEO_ENCODER_PICTURE_CONTROL_CODEC_DATA pic_ctl; + + int fence_value; +} D3D12VAEncodePicture; + +typedef struct D3D12VAEncodeProfile { + /** + * lavc profile value (AV_PROFILE_*). + */ + int av_profile; + + /** + * Supported bit depth. + */ + int depth; + + /** + * Number of components. + */ + int nb_components; + + /** + * Chroma subsampling in width dimension. + */ + int log2_chroma_w; + + /** + * Chroma subsampling in height dimension. + */ + int log2_chroma_h; + + /** + * D3D12 profile value. + */ + D3D12_VIDEO_ENCODER_PROFILE_DESC d3d12_profile; +} D3D12VAEncodeProfile; + +enum { + RC_MODE_AUTO, + RC_MODE_CQP, + RC_MODE_CBR, + RC_MODE_VBR, + RC_MODE_QVBR, + RC_MODE_MAX = RC_MODE_QVBR, +}; + + +typedef struct D3D12VAEncodeRCMode { + /** + * Mode from above enum (RC_MODE_*). + */ + int mode; + + /** + * Name. + * + */ + const char *name; + + /** + * Uses bitrate parameters. + * + */ + int bitrate; + + /** + * Supports maxrate distinct from bitrate. + * + */ + int maxrate; + + /** + * Uses quality value. + * + */ + int quality; + + /** + * Supports HRD/VBV parameters. + * + */ + int hrd; + + /** + * D3D12 mode value. + */ + D3D12_VIDEO_ENCODER_RATE_CONTROL_MODE d3d12_mode; +} D3D12VAEncodeRCMode; + +typedef struct D3D12VAEncodeContext { + FFHWBaseEncodeContext base; + + /** + * Codec-specific hooks. + */ + const struct D3D12VAEncodeType *codec; + + /** + * Explicitly set RC mode (otherwise attempt to pick from + * available modes). + */ + int explicit_rc_mode; + + /** + * Explicitly-set QP, for use with the "qp" options. + * (Forces CQP mode when set, overriding everything else.) + */ + int explicit_qp; + + /** + * RC quality level - meaning depends on codec and RC mode. + * In CQP mode this sets the fixed quantiser value. + */ + int rc_quality; + + /** + * Chosen encoding profile details. + */ + const D3D12VAEncodeProfile *profile; + + AVD3D12VADeviceContext *hwctx; + + /** + * ID3D12Device3 interface. + */ + ID3D12Device3 *device3; + + /** + * ID3D12VideoDevice3 interface. + */ + ID3D12VideoDevice3 *video_device3; + + /** + * Pool of (reusable) bitstream output buffers. + */ + AVBufferPool *output_buffer_pool; + + /** + * D3D12 video encoder. + */ + AVBufferRef *encoder_ref; + + ID3D12VideoEncoder *encoder; + + /** + * D3D12 video encoder heap. + */ + ID3D12VideoEncoderHeap *encoder_heap; + + /** + * A cached queue for reusing the D3D12 command allocators. + * + * @see https://learn.microsoft.com/en-us/windows/win32/direct3d12/recording-command... + */ + AVFifo *allocator_queue; + + /** + * D3D12 command queue. + */ + ID3D12CommandQueue *command_queue; + + /** + * D3D12 video encode command list. + */ + ID3D12VideoEncodeCommandList2 *command_list; + + /** + * The sync context used to sync command queue. + */ + AVD3D12VASyncContext sync_ctx; + + /** + * The bi_not_empty feature. + */ + int bi_not_empty; + + /** + * D3D12_FEATURE structures. + */ + D3D12_FEATURE_DATA_VIDEO_ENCODER_RESOURCE_REQUIREMENTS req; + + D3D12_FEATURE_DATA_VIDEO_ENCODER_RESOLUTION_SUPPORT_LIMITS res_limits; + + /** + * D3D12_VIDEO_ENCODER structures. + */ + D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC resolution; + + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION codec_conf; + + D3D12_VIDEO_ENCODER_RATE_CONTROL rc; + + D3D12_VIDEO_ENCODER_SEQUENCE_GOP_STRUCTURE gop; + + D3D12_VIDEO_ENCODER_LEVEL_SETTING level; +} D3D12VAEncodeContext; + +typedef struct D3D12VAEncodeType { + /** + * List of supported profiles. + */ + const D3D12VAEncodeProfile *profiles; + + /** + * D3D12 codec name. + */ + D3D12_VIDEO_ENCODER_CODEC d3d12_codec; + + /** + * Codec feature flags. + */ + int flags; + + /** + * Default quality for this codec - used as quantiser or RC quality + * factor depending on RC mode. + */ + int default_quality; + + /** + * Query codec configuration and determine encode parameters like + * block sizes for surface alignment and slices. If not set, assume + * that all blocks are 16x16 and that surfaces should be aligned to match + * this. + */ + int (*get_encoder_caps)(AVCodecContext *avctx); + + /** + * Perform any extra codec-specific configuration. + */ + int (*configure)(AVCodecContext *avctx); + + /** + * Set codec-specific level setting. + */ + int (*set_level)(AVCodecContext *avctx); + + /** + * The size of any private data structure associated with each + * picture (can be zero if not required). + */ + size_t picture_priv_data_size; + + /** + * Fill the corresponding parameters. + */ + int (*init_sequence_params)(AVCodecContext *avctx); + + int (*init_picture_params)(AVCodecContext *avctx, + D3D12VAEncodePicture *pic); + + void (*free_picture_params)(D3D12VAEncodePicture *pic); + + /** + * Write the packed header data to the provided buffer. + */ + int (*write_sequence_header)(AVCodecContext *avctx, + char *data, size_t *data_len); +} D3D12VAEncodeType; + +int ff_d3d12va_encode_init(AVCodecContext *avctx); +int ff_d3d12va_encode_close(AVCodecContext *avctx); + +#define D3D12VA_ENCODE_RC_MODE(name, desc) \ + { #name, desc, 0, AV_OPT_TYPE_CONST, { .i64 = RC_MODE_ ## name }, \ + 0, 0, FLAGS, .unit = "rc_mode" } +#define D3D12VA_ENCODE_RC_OPTIONS \ + { "rc_mode",\ + "Set rate control mode", \ + OFFSET(common.explicit_rc_mode), AV_OPT_TYPE_INT, \ + { .i64 = RC_MODE_AUTO }, RC_MODE_AUTO, RC_MODE_MAX, FLAGS, .unit = "rc_mode" }, \ + { "auto", "Choose mode automatically based on other parameters", \ + 0, AV_OPT_TYPE_CONST, { .i64 = RC_MODE_AUTO }, 0, 0, FLAGS, .unit = "rc_mode" }, \ + D3D12VA_ENCODE_RC_MODE(CQP, "Constant-quality"), \ + D3D12VA_ENCODE_RC_MODE(CBR, "Constant-bitrate"), \ + D3D12VA_ENCODE_RC_MODE(VBR, "Variable-bitrate"), \ + D3D12VA_ENCODE_RC_MODE(QVBR, "Quality-defined variable-bitrate") + +#endif /* AVCODEC_D3D12VA_ENCODE_H */ diff --git a/libavcodec/d3d12va_encode_hevc.c b/libavcodec/d3d12va_encode_hevc.c new file mode 100644 index 0000000000..24823b3c56 --- /dev/null +++ b/libavcodec/d3d12va_encode_hevc.c @@ -0,0 +1,1007 @@ +/* + * Direct3D 12 HW acceleration video encoder + * + * Copyright (c) 2024 Intel Corporation + * + * 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 "libavutil/opt.h" +#include "libavutil/common.h" +#include "libavutil/mem.h" +#include "libavutil/pixdesc.h" +#include "libavutil/hwcontext_d3d12va_internal.h" + +#include "avcodec.h" +#include "cbs.h" +#include "cbs_h265.h" +#include "h2645data.h" +#include "h265_profile_level.h" +#include "codec_internal.h" +#include "d3d12va_encode.h" + +typedef struct D3D12VAEncodeHEVCPicture { + int pic_order_cnt; + int64_t last_idr_frame; +} D3D12VAEncodeHEVCPicture; + +typedef struct D3D12VAEncodeHEVCContext { + D3D12VAEncodeContext common; + + // User options. + int qp; + int profile; + int tier; + int level; + + // Writer structures. + H265RawVPS raw_vps; + H265RawSPS raw_sps; + H265RawPPS raw_pps; + + CodedBitstreamContext *cbc; + CodedBitstreamFragment current_access_unit; +} D3D12VAEncodeHEVCContext; + +typedef struct D3D12VAEncodeHEVCLevel { + int level; + D3D12_VIDEO_ENCODER_LEVELS_HEVC d3d12_level; +} D3D12VAEncodeHEVCLevel; + +static const D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_SUPPORT_HEVC hevc_config_support_sets[] = +{ + { + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_SUPPORT_HEVC_FLAG_NONE, + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_CUSIZE_8x8, + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_CUSIZE_32x32, + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_TUSIZE_4x4, + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_TUSIZE_32x32, + 3, + 3, + }, + { + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_SUPPORT_HEVC_FLAG_NONE, + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_CUSIZE_8x8, + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_CUSIZE_32x32, + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_TUSIZE_4x4, + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_TUSIZE_32x32, + 0, + 0, + }, + { + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_SUPPORT_HEVC_FLAG_NONE, + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_CUSIZE_8x8, + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_CUSIZE_32x32, + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_TUSIZE_4x4, + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_TUSIZE_32x32, + 2, + 2, + }, + { + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_SUPPORT_HEVC_FLAG_NONE, + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_CUSIZE_8x8, + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_CUSIZE_64x64, + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_TUSIZE_4x4, + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_TUSIZE_32x32, + 2, + 2, + }, + { + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_SUPPORT_HEVC_FLAG_NONE, + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_CUSIZE_8x8, + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_CUSIZE_64x64, + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_TUSIZE_4x4, + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_TUSIZE_32x32, + 4, + 4, + }, +}; + +static const D3D12VAEncodeHEVCLevel hevc_levels[] = { + { 30, D3D12_VIDEO_ENCODER_LEVELS_HEVC_1 }, + { 60, D3D12_VIDEO_ENCODER_LEVELS_HEVC_2 }, + { 63, D3D12_VIDEO_ENCODER_LEVELS_HEVC_21 }, + { 90, D3D12_VIDEO_ENCODER_LEVELS_HEVC_3 }, + { 93, D3D12_VIDEO_ENCODER_LEVELS_HEVC_31 }, + { 120, D3D12_VIDEO_ENCODER_LEVELS_HEVC_4 }, + { 123, D3D12_VIDEO_ENCODER_LEVELS_HEVC_41 }, + { 150, D3D12_VIDEO_ENCODER_LEVELS_HEVC_5 }, + { 153, D3D12_VIDEO_ENCODER_LEVELS_HEVC_51 }, + { 156, D3D12_VIDEO_ENCODER_LEVELS_HEVC_52 }, + { 180, D3D12_VIDEO_ENCODER_LEVELS_HEVC_6 }, + { 183, D3D12_VIDEO_ENCODER_LEVELS_HEVC_61 }, + { 186, D3D12_VIDEO_ENCODER_LEVELS_HEVC_62 }, +}; + +static const D3D12_VIDEO_ENCODER_PROFILE_HEVC profile_main = D3D12_VIDEO_ENCODER_PROFILE_HEVC_MAIN; +static const D3D12_VIDEO_ENCODER_PROFILE_HEVC profile_main10 = D3D12_VIDEO_ENCODER_PROFILE_HEVC_MAIN10; + +#define D3D_PROFILE_DESC(name) \ + { sizeof(D3D12_VIDEO_ENCODER_PROFILE_HEVC), { .pHEVCProfile = (D3D12_VIDEO_ENCODER_PROFILE_HEVC *)&profile_ ## name } } +static const D3D12VAEncodeProfile d3d12va_encode_hevc_profiles[] = { + { AV_PROFILE_HEVC_MAIN, 8, 3, 1, 1, D3D_PROFILE_DESC(main) }, + { AV_PROFILE_HEVC_MAIN_10, 10, 3, 1, 1, D3D_PROFILE_DESC(main10) }, + { AV_PROFILE_UNKNOWN }, +}; + +static uint8_t d3d12va_encode_hevc_map_cusize(D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_CUSIZE cusize) +{ + switch (cusize) { + case D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_CUSIZE_8x8: return 8; + case D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_CUSIZE_16x16: return 16; + case D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_CUSIZE_32x32: return 32; + case D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_CUSIZE_64x64: return 64; + default: av_assert0(0); + } + return 0; +} + +static uint8_t d3d12va_encode_hevc_map_tusize(D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_TUSIZE tusize) +{ + switch (tusize) { + case D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_TUSIZE_4x4: return 4; + case D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_TUSIZE_8x8: return 8; + case D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_TUSIZE_16x16: return 16; + case D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_TUSIZE_32x32: return 32; + default: av_assert0(0); + } + return 0; +} + +static int d3d12va_encode_hevc_write_access_unit(AVCodecContext *avctx, + char *data, size_t *data_len, + CodedBitstreamFragment *au) +{ + D3D12VAEncodeHEVCContext *priv = avctx->priv_data; + int err; + + err = ff_cbs_write_fragment_data(priv->cbc, au); + if (err < 0) { + av_log(avctx, AV_LOG_ERROR, "Failed to write packed header.\n"); + return err; + } + + if (*data_len < 8 * au->data_size - au->data_bit_padding) { + av_log(avctx, AV_LOG_ERROR, "Access unit too large: " + "%zu < %zu.\n", *data_len, + 8 * au->data_size - au->data_bit_padding); + return AVERROR(ENOSPC); + } + + memcpy(data, au->data, au->data_size); + *data_len = 8 * au->data_size - au->data_bit_padding; + + return 0; +} + +static int d3d12va_encode_hevc_add_nal(AVCodecContext *avctx, + CodedBitstreamFragment *au, + void *nal_unit) +{ + H265RawNALUnitHeader *header = nal_unit; + int err; + + err = ff_cbs_insert_unit_content(au, -1, + header->nal_unit_type, nal_unit, NULL); + if (err < 0) { + av_log(avctx, AV_LOG_ERROR, "Failed to add NAL unit: " + "type = %d.\n", header->nal_unit_type); + return err; + } + + return 0; +} + +static int d3d12va_encode_hevc_write_sequence_header(AVCodecContext *avctx, + char *data, size_t *data_len) +{ + D3D12VAEncodeHEVCContext *priv = avctx->priv_data; + CodedBitstreamFragment *au = &priv->current_access_unit; + int err; + + err = d3d12va_encode_hevc_add_nal(avctx, au, &priv->raw_vps); + if (err < 0) + goto fail; + + err = d3d12va_encode_hevc_add_nal(avctx, au, &priv->raw_sps); + if (err < 0) + goto fail; + + err = d3d12va_encode_hevc_add_nal(avctx, au, &priv->raw_pps); + if (err < 0) + goto fail; + + err = d3d12va_encode_hevc_write_access_unit(avctx, data, data_len, au); +fail: + ff_cbs_fragment_reset(au); + return err; + +} + +static int d3d12va_encode_hevc_init_sequence_params(AVCodecContext *avctx) +{ + FFHWBaseEncodeContext *base_ctx = avctx->priv_data; + D3D12VAEncodeContext *ctx = avctx->priv_data; + D3D12VAEncodeHEVCContext *priv = avctx->priv_data; + AVD3D12VAFramesContext *hwctx = base_ctx->input_frames->hwctx; + H265RawVPS *vps = &priv->raw_vps; + H265RawSPS *sps = &priv->raw_sps; + H265RawPPS *pps = &priv->raw_pps; + H265RawProfileTierLevel *ptl = &vps->profile_tier_level; + H265RawVUI *vui = &sps->vui; + D3D12_VIDEO_ENCODER_PROFILE_HEVC profile = D3D12_VIDEO_ENCODER_PROFILE_HEVC_MAIN; + D3D12_VIDEO_ENCODER_LEVEL_TIER_CONSTRAINTS_HEVC level = { 0 }; + const AVPixFmtDescriptor *desc; + uint8_t min_cu_size, max_cu_size, min_tu_size, max_tu_size; + int chroma_format, bit_depth; + HRESULT hr; + int i; + + D3D12_FEATURE_DATA_VIDEO_ENCODER_SUPPORT support = { + .NodeIndex = 0, + .Codec = D3D12_VIDEO_ENCODER_CODEC_HEVC, + .InputFormat = hwctx->format, + .RateControl = ctx->rc, + .IntraRefresh = D3D12_VIDEO_ENCODER_INTRA_REFRESH_MODE_NONE, + .SubregionFrameEncoding = D3D12_VIDEO_ENCODER_FRAME_SUBREGION_LAYOUT_MODE_FULL_FRAME, + .ResolutionsListCount = 1, + .pResolutionList = &ctx->resolution, + .CodecGopSequence = ctx->gop, + .MaxReferenceFramesInDPB = MAX_DPB_SIZE - 1, + .CodecConfiguration = ctx->codec_conf, + .SuggestedProfile.DataSize = sizeof(D3D12_VIDEO_ENCODER_PROFILE_HEVC), + .SuggestedProfile.pHEVCProfile = &profile, + .SuggestedLevel.DataSize = sizeof(D3D12_VIDEO_ENCODER_LEVEL_TIER_CONSTRAINTS_HEVC), + .SuggestedLevel.pHEVCLevelSetting = &level, + .pResolutionDependentSupport = &ctx->res_limits, + }; + + hr = ID3D12VideoDevice3_CheckFeatureSupport(ctx->video_device3, D3D12_FEATURE_VIDEO_ENCODER_SUPPORT, + &support, sizeof(support)); + + if (FAILED(hr)) { + av_log(avctx, AV_LOG_ERROR, "Failed to check encoder support(%lx).\n", (long)hr); + return AVERROR(EINVAL); + } + + if (!(support.SupportFlags & D3D12_VIDEO_ENCODER_SUPPORT_FLAG_GENERAL_SUPPORT_OK)) { + av_log(avctx, AV_LOG_ERROR, "Driver does not support some request features. %#x\n", + support.ValidationFlags); + return AVERROR(EINVAL); + } + + if (support.SupportFlags & D3D12_VIDEO_ENCODER_SUPPORT_FLAG_RECONSTRUCTED_FRAMES_REQUIRE_TEXTURE_ARRAYS) { + av_log(avctx, AV_LOG_ERROR, "D3D12 video encode on this device requires texture array support, " + "but it's not implemented.\n"); + return AVERROR_PATCHWELCOME; + } + + memset(vps, 0, sizeof(*vps)); + memset(sps, 0, sizeof(*sps)); + memset(pps, 0, sizeof(*pps)); + + desc = av_pix_fmt_desc_get(base_ctx->input_frames->sw_format); + av_assert0(desc); + if (desc->nb_components == 1) { + chroma_format = 0; + } else { + if (desc->log2_chroma_w == 1 && desc->log2_chroma_h == 1) { + chroma_format = 1; + } else if (desc->log2_chroma_w == 1 && desc->log2_chroma_h == 0) { + chroma_format = 2; + } else if (desc->log2_chroma_w == 0 && desc->log2_chroma_h == 0) { + chroma_format = 3; + } else { + av_log(avctx, AV_LOG_ERROR, "Chroma format of input pixel format " + "%s is not supported.\n", desc->name); + return AVERROR(EINVAL); + } + } + bit_depth = desc->comp[0].depth; + + min_cu_size = d3d12va_encode_hevc_map_cusize(ctx->codec_conf.pHEVCConfig->MinLumaCodingUnitSize); + max_cu_size = d3d12va_encode_hevc_map_cusize(ctx->codec_conf.pHEVCConfig->MaxLumaCodingUnitSize); + min_tu_size = d3d12va_encode_hevc_map_tusize(ctx->codec_conf.pHEVCConfig->MinLumaTransformUnitSize); + max_tu_size = d3d12va_encode_hevc_map_tusize(ctx->codec_conf.pHEVCConfig->MaxLumaTransformUnitSize); + + // VPS + + vps->nal_unit_header = (H265RawNALUnitHeader) { + .nal_unit_type = HEVC_NAL_VPS, + .nuh_layer_id = 0, + .nuh_temporal_id_plus1 = 1, + }; + + vps->vps_video_parameter_set_id = 0; + + vps->vps_base_layer_internal_flag = 1; + vps->vps_base_layer_available_flag = 1; + vps->vps_max_layers_minus1 = 0; + vps->vps_max_sub_layers_minus1 = 0; + vps->vps_temporal_id_nesting_flag = 1; + + ptl->general_profile_space = 0; + ptl->general_profile_idc = avctx->profile; + ptl->general_tier_flag = priv->tier; + + ptl->general_profile_compatibility_flag[ptl->general_profile_idc] = 1; + + ptl->general_progressive_source_flag = 1; + ptl->general_interlaced_source_flag = 0; + ptl->general_non_packed_constraint_flag = 1; + ptl->general_frame_only_constraint_flag = 1; + + ptl->general_max_14bit_constraint_flag = bit_depth <= 14; + ptl->general_max_12bit_constraint_flag = bit_depth <= 12; + ptl->general_max_10bit_constraint_flag = bit_depth <= 10; + ptl->general_max_8bit_constraint_flag = bit_depth == 8; + + ptl->general_max_422chroma_constraint_flag = chroma_format <= 2; + ptl->general_max_420chroma_constraint_flag = chroma_format <= 1; + ptl->general_max_monochrome_constraint_flag = chroma_format == 0; + + ptl->general_intra_constraint_flag = base_ctx->gop_size == 1; + ptl->general_one_picture_only_constraint_flag = 0; + + ptl->general_lower_bit_rate_constraint_flag = 1; + + if (avctx->level != FF_LEVEL_UNKNOWN) { + ptl->general_level_idc = avctx->level; + } else { + const H265LevelDescriptor *level; + + level = ff_h265_guess_level(ptl, avctx->bit_rate, + base_ctx->surface_width, base_ctx->surface_height, + 1, 1, 1, (base_ctx->b_per_p > 0) + 1); + if (level) { + av_log(avctx, AV_LOG_VERBOSE, "Using level %s.\n", level->name); + ptl->general_level_idc = level->level_idc; + } else { + av_log(avctx, AV_LOG_VERBOSE, "Stream will not conform to " + "any normal level; using level 8.5.\n"); + ptl->general_level_idc = 255; + // The tier flag must be set in level 8.5. + ptl->general_tier_flag = 1; + } + avctx->level = ptl->general_level_idc; + } + + vps->vps_sub_layer_ordering_info_present_flag = 0; + vps->vps_max_dec_pic_buffering_minus1[0] = base_ctx->max_b_depth + 1; + vps->vps_max_num_reorder_pics[0] = base_ctx->max_b_depth; + vps->vps_max_latency_increase_plus1[0] = 0; + + vps->vps_max_layer_id = 0; + vps->vps_num_layer_sets_minus1 = 0; + vps->layer_id_included_flag[0][0] = 1; + + vps->vps_timing_info_present_flag = 1; + if (avctx->framerate.num > 0 && avctx->framerate.den > 0) { + vps->vps_num_units_in_tick = avctx->framerate.den; + vps->vps_time_scale = avctx->framerate.num; + vps->vps_poc_proportional_to_timing_flag = 1; + vps->vps_num_ticks_poc_diff_one_minus1 = 0; + } else { + vps->vps_num_units_in_tick = avctx->time_base.num; + vps->vps_time_scale = avctx->time_base.den; + vps->vps_poc_proportional_to_timing_flag = 0; + } + vps->vps_num_hrd_parameters = 0; + + // SPS + + sps->nal_unit_header = (H265RawNALUnitHeader) { + .nal_unit_type = HEVC_NAL_SPS, + .nuh_layer_id = 0, + .nuh_temporal_id_plus1 = 1, + }; + + sps->sps_video_parameter_set_id = vps->vps_video_parameter_set_id; + + sps->sps_max_sub_layers_minus1 = vps->vps_max_sub_layers_minus1; + sps->sps_temporal_id_nesting_flag = vps->vps_temporal_id_nesting_flag; + + sps->profile_tier_level = vps->profile_tier_level; + + sps->sps_seq_parameter_set_id = 0; + + sps->chroma_format_idc = chroma_format; + sps->separate_colour_plane_flag = 0; + + av_assert0(ctx->res_limits.SubregionBlockPixelsSize % min_cu_size == 0); + + sps->pic_width_in_luma_samples = FFALIGN(base_ctx->surface_width, + ctx->res_limits.SubregionBlockPixelsSize); + sps->pic_height_in_luma_samples = FFALIGN(base_ctx->surface_height, + ctx->res_limits.SubregionBlockPixelsSize); + + if (avctx->width != sps->pic_width_in_luma_samples || + avctx->height != sps->pic_height_in_luma_samples) { + sps->conformance_window_flag = 1; + sps->conf_win_left_offset = 0; + sps->conf_win_right_offset = + (sps->pic_width_in_luma_samples - avctx->width) >> desc->log2_chroma_w; + sps->conf_win_top_offset = 0; + sps->conf_win_bottom_offset = + (sps->pic_height_in_luma_samples - avctx->height) >> desc->log2_chroma_h; + } else { + sps->conformance_window_flag = 0; + } + + sps->bit_depth_luma_minus8 = bit_depth - 8; + sps->bit_depth_chroma_minus8 = bit_depth - 8; + + sps->log2_max_pic_order_cnt_lsb_minus4 = ctx->gop.pHEVCGroupOfPictures->log2_max_pic_order_cnt_lsb_minus4; + + sps->sps_sub_layer_ordering_info_present_flag = + vps->vps_sub_layer_ordering_info_present_flag; + for (i = 0; i <= sps->sps_max_sub_layers_minus1; i++) { + sps->sps_max_dec_pic_buffering_minus1[i] = + vps->vps_max_dec_pic_buffering_minus1[i]; + sps->sps_max_num_reorder_pics[i] = + vps->vps_max_num_reorder_pics[i]; + sps->sps_max_latency_increase_plus1[i] = + vps->vps_max_latency_increase_plus1[i]; + } + + sps->log2_min_luma_coding_block_size_minus3 = (uint8_t)(av_log2(min_cu_size) - 3); + sps->log2_diff_max_min_luma_coding_block_size = (uint8_t)(av_log2(max_cu_size) - av_log2(min_cu_size)); + sps->log2_min_luma_transform_block_size_minus2 = (uint8_t)(av_log2(min_tu_size) - 2); + sps->log2_diff_max_min_luma_transform_block_size = (uint8_t)(av_log2(max_tu_size) - av_log2(min_tu_size)); + + sps->max_transform_hierarchy_depth_inter = ctx->codec_conf.pHEVCConfig->max_transform_hierarchy_depth_inter; + sps->max_transform_hierarchy_depth_intra = ctx->codec_conf.pHEVCConfig->max_transform_hierarchy_depth_intra; + + sps->amp_enabled_flag = !!(ctx->codec_conf.pHEVCConfig->ConfigurationFlags & + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_FLAG_USE_ASYMETRIC_MOTION_PARTITION); + sps->sample_adaptive_offset_enabled_flag = !!(ctx->codec_conf.pHEVCConfig->ConfigurationFlags & + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_FLAG_ENABLE_SAO_FILTER); + sps->sps_temporal_mvp_enabled_flag = 0; + sps->pcm_enabled_flag = 0; + + sps->vui_parameters_present_flag = 1; + + if (avctx->sample_aspect_ratio.num != 0 && + avctx->sample_aspect_ratio.den != 0) { + int num, den, i; + av_reduce(&num, &den, avctx->sample_aspect_ratio.num, + avctx->sample_aspect_ratio.den, 65535); + for (i = 0; i < FF_ARRAY_ELEMS(ff_h2645_pixel_aspect); i++) { + if (num == ff_h2645_pixel_aspect[i].num && + den == ff_h2645_pixel_aspect[i].den) { + vui->aspect_ratio_idc = i; + break; + } + } + if (i >= FF_ARRAY_ELEMS(ff_h2645_pixel_aspect)) { + vui->aspect_ratio_idc = 255; + vui->sar_width = num; + vui->sar_height = den; + } + vui->aspect_ratio_info_present_flag = 1; + } + + // Unspecified video format, from table E-2. + vui->video_format = 5; + vui->video_full_range_flag = + avctx->color_range == AVCOL_RANGE_JPEG; + vui->colour_primaries = avctx->color_primaries; + vui->transfer_characteristics = avctx->color_trc; + vui->matrix_coefficients = avctx->colorspace; + if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED || + avctx->color_trc != AVCOL_TRC_UNSPECIFIED || + avctx->colorspace != AVCOL_SPC_UNSPECIFIED) + vui->colour_description_present_flag = 1; + if (avctx->color_range != AVCOL_RANGE_UNSPECIFIED || + vui->colour_description_present_flag) + vui->video_signal_type_present_flag = 1; + + if (avctx->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED) { + vui->chroma_loc_info_present_flag = 1; + vui->chroma_sample_loc_type_top_field = + vui->chroma_sample_loc_type_bottom_field = + avctx->chroma_sample_location - 1; + } + + vui->vui_timing_info_present_flag = 1; + vui->vui_num_units_in_tick = vps->vps_num_units_in_tick; + vui->vui_time_scale = vps->vps_time_scale; + vui->vui_poc_proportional_to_timing_flag = vps->vps_poc_proportional_to_timing_flag; + vui->vui_num_ticks_poc_diff_one_minus1 = vps->vps_num_ticks_poc_diff_one_minus1; + vui->vui_hrd_parameters_present_flag = 0; + + vui->bitstream_restriction_flag = 1; + vui->motion_vectors_over_pic_boundaries_flag = 1; + vui->restricted_ref_pic_lists_flag = 1; + vui->max_bytes_per_pic_denom = 0; + vui->max_bits_per_min_cu_denom = 0; + vui->log2_max_mv_length_horizontal = 15; + vui->log2_max_mv_length_vertical = 15; + + // PPS + + pps->nal_unit_header = (H265RawNALUnitHeader) { + .nal_unit_type = HEVC_NAL_PPS, + .nuh_layer_id = 0, + .nuh_temporal_id_plus1 = 1, + }; + + pps->pps_pic_parameter_set_id = 0; + pps->pps_seq_parameter_set_id = sps->sps_seq_parameter_set_id; + + pps->cabac_init_present_flag = 1; + + pps->num_ref_idx_l0_default_active_minus1 = 0; + pps->num_ref_idx_l1_default_active_minus1 = 0; + + pps->init_qp_minus26 = 0; + + pps->transform_skip_enabled_flag = !!(ctx->codec_conf.pHEVCConfig->ConfigurationFlags & + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_FLAG_ENABLE_TRANSFORM_SKIPPING); + + // cu_qp_delta always required to be 1 in https://github.com/microsoft/DirectX-Specs/blob/master/d3d/D3D12VideoEncodin... + pps->cu_qp_delta_enabled_flag = 1; + + pps->diff_cu_qp_delta_depth = 0; + + pps->pps_slice_chroma_qp_offsets_present_flag = 1; + + pps->tiles_enabled_flag = 0; // no tiling in D3D12 + + pps->pps_loop_filter_across_slices_enabled_flag = !(ctx->codec_conf.pHEVCConfig->ConfigurationFlags & + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_FLAG_DISABLE_LOOP_FILTER_ACROSS_SLICES); + pps->deblocking_filter_control_present_flag = 1; + + return 0; +} + +static int d3d12va_encode_hevc_get_encoder_caps(AVCodecContext *avctx) +{ + int i; + HRESULT hr; + uint8_t min_cu_size, max_cu_size; + FFHWBaseEncodeContext *base_ctx = avctx->priv_data; + D3D12VAEncodeContext *ctx = avctx->priv_data; + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC *config; + D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_SUPPORT_HEVC hevc_caps; + + D3D12_FEATURE_DATA_VIDEO_ENCODER_CODEC_CONFIGURATION_SUPPORT codec_caps = { + .NodeIndex = 0, + .Codec = D3D12_VIDEO_ENCODER_CODEC_HEVC, + .Profile = ctx->profile->d3d12_profile, + .CodecSupportLimits.DataSize = sizeof(D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_SUPPORT_HEVC), + }; + + for (i = 0; i < FF_ARRAY_ELEMS(hevc_config_support_sets); i++) { + hevc_caps = hevc_config_support_sets[i]; + codec_caps.CodecSupportLimits.pHEVCSupport = &hevc_caps; + hr = ID3D12VideoDevice3_CheckFeatureSupport(ctx->video_device3, D3D12_FEATURE_VIDEO_ENCODER_CODEC_CONFIGURATION_SUPPORT, + &codec_caps, sizeof(codec_caps)); + if (SUCCEEDED(hr) && codec_caps.IsSupported) + break; + } + + if (i == FF_ARRAY_ELEMS(hevc_config_support_sets)) { + av_log(avctx, AV_LOG_ERROR, "Unsupported codec configuration\n"); + return AVERROR(EINVAL); + } + + ctx->codec_conf.DataSize = sizeof(D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC); + ctx->codec_conf.pHEVCConfig = av_mallocz(ctx->codec_conf.DataSize); + if (!ctx->codec_conf.pHEVCConfig) + return AVERROR(ENOMEM); + + config = ctx->codec_conf.pHEVCConfig; + + config->ConfigurationFlags = D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_FLAG_NONE; + config->MinLumaCodingUnitSize = hevc_caps.MinLumaCodingUnitSize; + config->MaxLumaCodingUnitSize = hevc_caps.MaxLumaCodingUnitSize; + config->MinLumaTransformUnitSize = hevc_caps.MinLumaTransformUnitSize; + config->MaxLumaTransformUnitSize = hevc_caps.MaxLumaTransformUnitSize; + config->max_transform_hierarchy_depth_inter = hevc_caps.max_transform_hierarchy_depth_inter; + config->max_transform_hierarchy_depth_intra = hevc_caps.max_transform_hierarchy_depth_intra; + + if (hevc_caps.SupportFlags & D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_SUPPORT_HEVC_FLAG_ASYMETRIC_MOTION_PARTITION_SUPPORT || + hevc_caps.SupportFlags & D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_SUPPORT_HEVC_FLAG_ASYMETRIC_MOTION_PARTITION_REQUIRED) + config->ConfigurationFlags |= D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_FLAG_USE_ASYMETRIC_MOTION_PARTITION; + + if (hevc_caps.SupportFlags & D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_SUPPORT_HEVC_FLAG_SAO_FILTER_SUPPORT) + config->ConfigurationFlags |= D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_FLAG_ENABLE_SAO_FILTER; + + if (hevc_caps.SupportFlags & D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_SUPPORT_HEVC_FLAG_DISABLING_LOOP_FILTER_ACROSS_SLICES_SUPPORT) + config->ConfigurationFlags |= D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_FLAG_DISABLE_LOOP_FILTER_ACROSS_SLICES; + + if (hevc_caps.SupportFlags & D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_SUPPORT_HEVC_FLAG_TRANSFORM_SKIP_SUPPORT) + config->ConfigurationFlags |= D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_HEVC_FLAG_ENABLE_TRANSFORM_SKIPPING; + + if (hevc_caps.SupportFlags & D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_SUPPORT_HEVC_FLAG_P_FRAMES_IMPLEMENTED_AS_LOW_DELAY_B_FRAMES) + ctx->bi_not_empty = 1; + + // block sizes + min_cu_size = d3d12va_encode_hevc_map_cusize(hevc_caps.MinLumaCodingUnitSize); + max_cu_size = d3d12va_encode_hevc_map_cusize(hevc_caps.MaxLumaCodingUnitSize); + + av_log(avctx, AV_LOG_VERBOSE, "Using CTU size %dx%d, " + "min CB size %dx%d.\n", max_cu_size, max_cu_size, + min_cu_size, min_cu_size); + + base_ctx->surface_width = FFALIGN(avctx->width, min_cu_size); + base_ctx->surface_height = FFALIGN(avctx->height, min_cu_size); + + return 0; +} + +static int d3d12va_encode_hevc_configure(AVCodecContext *avctx) +{ + FFHWBaseEncodeContext *base_ctx = avctx->priv_data; + D3D12VAEncodeContext *ctx = avctx->priv_data; + D3D12VAEncodeHEVCContext *priv = avctx->priv_data; + int fixed_qp_idr, fixed_qp_p, fixed_qp_b; + int err; + + err = ff_cbs_init(&priv->cbc, AV_CODEC_ID_HEVC, avctx); + if (err < 0) + return err; + + // Rate control + if (ctx->rc.Mode == D3D12_VIDEO_ENCODER_RATE_CONTROL_MODE_CQP) { + D3D12_VIDEO_ENCODER_RATE_CONTROL_CQP *cqp_ctl; + fixed_qp_p = av_clip(ctx->rc_quality, 1, 51); + if (avctx->i_quant_factor > 0.0) + fixed_qp_idr = av_clip((avctx->i_quant_factor * fixed_qp_p + + avctx->i_quant_offset) + 0.5, 1, 51); + else + fixed_qp_idr = fixed_qp_p; + if (avctx->b_quant_factor > 0.0) + fixed_qp_b = av_clip((avctx->b_quant_factor * fixed_qp_p + + avctx->b_quant_offset) + 0.5, 1, 51); + else + fixed_qp_b = fixed_qp_p; + + av_log(avctx, AV_LOG_DEBUG, "Using fixed QP = " + "%d / %d / %d for IDR- / P- / B-frames.\n", + fixed_qp_idr, fixed_qp_p, fixed_qp_b); + + ctx->rc.ConfigParams.DataSize = sizeof(D3D12_VIDEO_ENCODER_RATE_CONTROL_CQP); + cqp_ctl = av_mallocz(ctx->rc.ConfigParams.DataSize); + if (!cqp_ctl) + return AVERROR(ENOMEM); + + cqp_ctl->ConstantQP_FullIntracodedFrame = fixed_qp_idr; + cqp_ctl->ConstantQP_InterPredictedFrame_PrevRefOnly = fixed_qp_p; + cqp_ctl->ConstantQP_InterPredictedFrame_BiDirectionalRef = fixed_qp_b; + + ctx->rc.ConfigParams.pConfiguration_CQP = cqp_ctl; + } + + // GOP + ctx->gop.DataSize = sizeof(D3D12_VIDEO_ENCODER_SEQUENCE_GOP_STRUCTURE_HEVC); + ctx->gop.pHEVCGroupOfPictures = av_mallocz(ctx->gop.DataSize); + if (!ctx->gop.pHEVCGroupOfPictures) + return AVERROR(ENOMEM); + + ctx->gop.pHEVCGroupOfPictures->GOPLength = base_ctx->gop_size; + ctx->gop.pHEVCGroupOfPictures->PPicturePeriod = base_ctx->b_per_p + 1; + // Power of 2 + if (base_ctx->gop_size & base_ctx->gop_size - 1 == 0) + ctx->gop.pHEVCGroupOfPictures->log2_max_pic_order_cnt_lsb_minus4 = + FFMAX(av_log2(base_ctx->gop_size) - 4, 0); + else + ctx->gop.pHEVCGroupOfPictures->log2_max_pic_order_cnt_lsb_minus4 = + FFMAX(av_log2(base_ctx->gop_size) - 3, 0); + + return 0; +} + +static int d3d12va_encode_hevc_set_level(AVCodecContext *avctx) +{ + D3D12VAEncodeContext *ctx = avctx->priv_data; + D3D12VAEncodeHEVCContext *priv = avctx->priv_data; + int i; + + ctx->level.DataSize = sizeof(D3D12_VIDEO_ENCODER_LEVEL_TIER_CONSTRAINTS_HEVC); + ctx->level.pHEVCLevelSetting = av_mallocz(ctx->level.DataSize); + if (!ctx->level.pHEVCLevelSetting) + return AVERROR(ENOMEM); + + for (i = 0; i < FF_ARRAY_ELEMS(hevc_levels); i++) { + if (avctx->level == hevc_levels[i].level) { + ctx->level.pHEVCLevelSetting->Level = hevc_levels[i].d3d12_level; + break; + } + } + + if (i == FF_ARRAY_ELEMS(hevc_levels)) { + av_log(avctx, AV_LOG_ERROR, "Invalid level %d.\n", avctx->level); + return AVERROR(EINVAL); + } + + ctx->level.pHEVCLevelSetting->Tier = priv->raw_vps.profile_tier_level.general_tier_flag == 0 ? + D3D12_VIDEO_ENCODER_TIER_HEVC_MAIN : + D3D12_VIDEO_ENCODER_TIER_HEVC_HIGH; + + return 0; +} + +static void d3d12va_encode_hevc_free_picture_params(D3D12VAEncodePicture *pic) +{ + if (!pic->pic_ctl.pHEVCPicData) + return; + + av_freep(&pic->pic_ctl.pHEVCPicData->pList0ReferenceFrames); + av_freep(&pic->pic_ctl.pHEVCPicData->pList1ReferenceFrames); + av_freep(&pic->pic_ctl.pHEVCPicData->pReferenceFramesReconPictureDescriptors); + av_freep(&pic->pic_ctl.pHEVCPicData); +} + +static int d3d12va_encode_hevc_init_picture_params(AVCodecContext *avctx, + D3D12VAEncodePicture *pic) +{ + FFHWBaseEncodePicture *base_pic = &pic->base; + D3D12VAEncodeHEVCPicture *hpic = base_pic->priv_data; + FFHWBaseEncodePicture *prev = base_pic->prev; + D3D12VAEncodeHEVCPicture *hprev = prev ? prev->priv_data : NULL; + D3D12_VIDEO_ENCODER_REFERENCE_PICTURE_DESCRIPTOR_HEVC *pd = NULL; + UINT *ref_list0 = NULL, *ref_list1 = NULL; + int i, idx = 0; + + pic->pic_ctl.DataSize = sizeof(D3D12_VIDEO_ENCODER_PICTURE_CONTROL_CODEC_DATA_HEVC); + pic->pic_ctl.pHEVCPicData = av_mallocz(pic->pic_ctl.DataSize); + if (!pic->pic_ctl.pHEVCPicData) + return AVERROR(ENOMEM); + + if (base_pic->type == FF_HW_PICTURE_TYPE_IDR) { + av_assert0(base_pic->display_order == base_pic->encode_order); + hpic->last_idr_frame = base_pic->display_order; + } else { + av_assert0(prev); + hpic->last_idr_frame = hprev->last_idr_frame; + } + hpic->pic_order_cnt = base_pic->display_order - hpic->last_idr_frame; + + switch(base_pic->type) { + case FF_HW_PICTURE_TYPE_IDR: + pic->pic_ctl.pHEVCPicData->FrameType = D3D12_VIDEO_ENCODER_FRAME_TYPE_HEVC_IDR_FRAME; + break; + case FF_HW_PICTURE_TYPE_I: + pic->pic_ctl.pHEVCPicData->FrameType = D3D12_VIDEO_ENCODER_FRAME_TYPE_HEVC_I_FRAME; + break; + case FF_HW_PICTURE_TYPE_P: + pic->pic_ctl.pHEVCPicData->FrameType = D3D12_VIDEO_ENCODER_FRAME_TYPE_HEVC_P_FRAME; + break; + case FF_HW_PICTURE_TYPE_B: + pic->pic_ctl.pHEVCPicData->FrameType = D3D12_VIDEO_ENCODER_FRAME_TYPE_HEVC_B_FRAME; + break; + default: + av_assert0(0 && "invalid picture type"); + } + + pic->pic_ctl.pHEVCPicData->slice_pic_parameter_set_id = 0; + pic->pic_ctl.pHEVCPicData->PictureOrderCountNumber = hpic->pic_order_cnt; + + if (base_pic->type == FF_HW_PICTURE_TYPE_P || base_pic->type == FF_HW_PICTURE_TYPE_B) { + pd = av_calloc(MAX_PICTURE_REFERENCES, sizeof(*pd)); + if (!pd) + return AVERROR(ENOMEM); + + ref_list0 = av_calloc(MAX_PICTURE_REFERENCES, sizeof(*ref_list0)); + if (!ref_list0) + return AVERROR(ENOMEM); + + pic->pic_ctl.pHEVCPicData->List0ReferenceFramesCount = base_pic->nb_refs[0]; + for (i = 0; i < base_pic->nb_refs[0]; i++) { + FFHWBaseEncodePicture *ref = base_pic->refs[0][i]; + D3D12VAEncodeHEVCPicture *href; + + av_assert0(ref && ref->encode_order < base_pic->encode_order); + href = ref->priv_data; + + ref_list0[i] = idx; + pd[idx].ReconstructedPictureResourceIndex = idx; + pd[idx].IsRefUsedByCurrentPic = TRUE; + pd[idx].PictureOrderCountNumber = href->pic_order_cnt; + idx++; + } + } + + if (base_pic->type == FF_HW_PICTURE_TYPE_B) { + ref_list1 = av_calloc(MAX_PICTURE_REFERENCES, sizeof(*ref_list1)); + if (!ref_list1) + return AVERROR(ENOMEM); + + pic->pic_ctl.pHEVCPicData->List1ReferenceFramesCount = base_pic->nb_refs[1]; + for (i = 0; i < base_pic->nb_refs[1]; i++) { + FFHWBaseEncodePicture *ref = base_pic->refs[1][i]; + D3D12VAEncodeHEVCPicture *href; + + av_assert0(ref && ref->encode_order < base_pic->encode_order); + href = ref->priv_data; + + ref_list1[i] = idx; + pd[idx].ReconstructedPictureResourceIndex = idx; + pd[idx].IsRefUsedByCurrentPic = TRUE; + pd[idx].PictureOrderCountNumber = href->pic_order_cnt; + idx++; + } + } + + pic->pic_ctl.pHEVCPicData->pList0ReferenceFrames = ref_list0; + pic->pic_ctl.pHEVCPicData->pList1ReferenceFrames = ref_list1; + pic->pic_ctl.pHEVCPicData->ReferenceFramesReconPictureDescriptorsCount = idx; + pic->pic_ctl.pHEVCPicData->pReferenceFramesReconPictureDescriptors = pd; + + return 0; +} + +static const D3D12VAEncodeType d3d12va_encode_type_hevc = { + .profiles = d3d12va_encode_hevc_profiles, + + .d3d12_codec = D3D12_VIDEO_ENCODER_CODEC_HEVC, + + .flags = FF_HW_FLAG_B_PICTURES | + FF_HW_FLAG_B_PICTURE_REFERENCES | + FF_HW_FLAG_NON_IDR_KEY_PICTURES, + + .default_quality = 25, + + .get_encoder_caps = &d3d12va_encode_hevc_get_encoder_caps, + + .configure = &d3d12va_encode_hevc_configure, + + .set_level = &d3d12va_encode_hevc_set_level, + + .picture_priv_data_size = sizeof(D3D12VAEncodeHEVCPicture), + + .init_sequence_params = &d3d12va_encode_hevc_init_sequence_params, + + .init_picture_params = &d3d12va_encode_hevc_init_picture_params, + + .free_picture_params = &d3d12va_encode_hevc_free_picture_params, + + .write_sequence_header = &d3d12va_encode_hevc_write_sequence_header, +}; + +static int d3d12va_encode_hevc_init(AVCodecContext *avctx) +{ + D3D12VAEncodeContext *ctx = avctx->priv_data; + D3D12VAEncodeHEVCContext *priv = avctx->priv_data; + + ctx->codec = &d3d12va_encode_type_hevc; + + if (avctx->profile == AV_PROFILE_UNKNOWN) + avctx->profile = priv->profile; + if (avctx->level == FF_LEVEL_UNKNOWN) + avctx->level = priv->level; + + if (avctx->level != FF_LEVEL_UNKNOWN && avctx->level & ~0xff) { + av_log(avctx, AV_LOG_ERROR, "Invalid level %d: must fit " + "in 8-bit unsigned integer.\n", avctx->level); + return AVERROR(EINVAL); + } + + if (priv->qp > 0) + ctx->explicit_qp = priv->qp; + + return ff_d3d12va_encode_init(avctx); +} + +static int d3d12va_encode_hevc_close(AVCodecContext *avctx) +{ + D3D12VAEncodeHEVCContext *priv = avctx->priv_data; + + ff_cbs_fragment_free(&priv->current_access_unit); + ff_cbs_close(&priv->cbc); + + av_freep(&priv->common.codec_conf.pHEVCConfig); + av_freep(&priv->common.gop.pHEVCGroupOfPictures); + av_freep(&priv->common.level.pHEVCLevelSetting); + + return ff_d3d12va_encode_close(avctx); +} + +#define OFFSET(x) offsetof(D3D12VAEncodeHEVCContext, x) +#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM) +static const AVOption d3d12va_encode_hevc_options[] = { + HW_BASE_ENCODE_COMMON_OPTIONS, + D3D12VA_ENCODE_RC_OPTIONS, + + { "qp", "Constant QP (for P-frames; scaled by qfactor/qoffset for I/B)", + OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 52, FLAGS }, + + { "profile", "Set profile (general_profile_idc)", + OFFSET(profile), AV_OPT_TYPE_INT, + { .i64 = AV_PROFILE_UNKNOWN }, AV_PROFILE_UNKNOWN, 0xff, FLAGS, "profile" }, + +#define PROFILE(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \ + { .i64 = value }, 0, 0, FLAGS, "profile" + { PROFILE("main", AV_PROFILE_HEVC_MAIN) }, + { PROFILE("main10", AV_PROFILE_HEVC_MAIN_10) }, +#undef PROFILE + + { "tier", "Set tier (general_tier_flag)", + OFFSET(tier), AV_OPT_TYPE_INT, + { .i64 = 0 }, 0, 1, FLAGS, "tier" }, + { "main", NULL, 0, AV_OPT_TYPE_CONST, + { .i64 = 0 }, 0, 0, FLAGS, "tier" }, + { "high", NULL, 0, AV_OPT_TYPE_CONST, + { .i64 = 1 }, 0, 0, FLAGS, "tier" }, + + { "level", "Set level (general_level_idc)", + OFFSET(level), AV_OPT_TYPE_INT, + { .i64 = FF_LEVEL_UNKNOWN }, FF_LEVEL_UNKNOWN, 0xff, FLAGS, "level" }, + +#define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \ + { .i64 = value }, 0, 0, FLAGS, "level" + { LEVEL("1", 30) }, + { LEVEL("2", 60) }, + { LEVEL("2.1", 63) }, + { LEVEL("3", 90) }, + { LEVEL("3.1", 93) }, + { LEVEL("4", 120) }, + { LEVEL("4.1", 123) }, + { LEVEL("5", 150) }, + { LEVEL("5.1", 153) }, + { LEVEL("5.2", 156) }, + { LEVEL("6", 180) }, + { LEVEL("6.1", 183) }, + { LEVEL("6.2", 186) }, +#undef LEVEL + + { NULL }, +}; + +static const FFCodecDefault d3d12va_encode_hevc_defaults[] = { + { "b", "0" }, + { "bf", "2" }, + { "g", "120" }, + { "i_qfactor", "1" }, + { "i_qoffset", "0" }, + { "b_qfactor", "1" }, + { "b_qoffset", "0" }, + { "qmin", "-1" }, + { "qmax", "-1" }, + { NULL }, +}; + +static const AVClass d3d12va_encode_hevc_class = { + .class_name = "hevc_d3d12va", + .item_name = av_default_item_name, + .option = d3d12va_encode_hevc_options, + .version = LIBAVUTIL_VERSION_INT, +}; + +const FFCodec ff_hevc_d3d12va_encoder = { + .p.name = "hevc_d3d12va", + CODEC_LONG_NAME("D3D12VA hevc encoder"), + .p.type = AVMEDIA_TYPE_VIDEO, + .p.id = AV_CODEC_ID_HEVC, + .priv_data_size = sizeof(D3D12VAEncodeHEVCContext), + .init = &d3d12va_encode_hevc_init, + FF_CODEC_RECEIVE_PACKET_CB(&ff_hw_base_encode_receive_packet), + .close = &d3d12va_encode_hevc_close, + .p.priv_class = &d3d12va_encode_hevc_class, + .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE | + AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE, + .caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE | + FF_CODEC_CAP_INIT_CLEANUP, + .defaults = d3d12va_encode_hevc_defaults, + .p.pix_fmts = (const enum AVPixelFormat[]) { + AV_PIX_FMT_D3D12, + AV_PIX_FMT_NONE, + }, + .hw_configs = ff_d3d12va_encode_hw_configs, + .p.wrapper_name = "d3d12va", +}; -- 2.41.0.windows.1