[FFmpeg-devel] [PATCH v11 13/14] avcodec: add D3D12VA hardware HEVC encoder
tong1.wu at intel.com
tong1.wu at intel.com
Sat May 25 13:30:20 EEST 2024
From: Tong Wu <tong1.wu at 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 at 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 b16722d83d..127d68e60c 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..739f90ecb7
--- /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-lists-and-bundles#id3d12commandallocator
+ */
+ 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/D3D12VideoEncoding.md
+ 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
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