nvcodec: Add a helper object for d3d12 interop

Adding new helper object for d3d12 -> cuda memory copy

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7480>
This commit is contained in:
Seungha Yang 2024-09-08 01:00:12 +09:00 committed by GStreamer Marge Bot
parent e962af3064
commit 6d28f3b2c6
3 changed files with 732 additions and 0 deletions

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/* GStreamer
* Copyright (C) 2024 Seungha Yang <seungha@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "gstcudainterop_d3d12.h"
#include <gst/d3d12/gstd3d12-private.h>
#include <wrl.h>
#include <queue>
#include <mutex>
#include <condition_variable>
#include <vector>
/* *INDENT-OFF* */
using namespace Microsoft::WRL;
struct GstCudaD3D12InteropResource : public GstMiniObject
{
GstCudaD3D12InteropResource() = default;
~GstCudaD3D12InteropResource()
{
if (context) {
if (gst_cuda_context_push (context)) {
if (devptr)
CuMemFree (devptr);
if (ext_mem)
CuDestroyExternalMemory (ext_mem);
}
gst_object_unref (context);
}
}
GstCudaD3D12Interop *interop = nullptr;
ComPtr<ID3D12Resource> resource;
GstCudaContext *context = nullptr;
CUdeviceptr devptr = 0;
CUexternalMemory ext_mem = nullptr;
};
/* *INDENT-ON* */
GST_DEFINE_MINI_OBJECT_TYPE (GstCudaD3D12InteropResource,
gst_cuda_d3d12_interop_resource);
#define ASYNC_FENCE_WAIT_DEPTH 16
struct FenceWaitData
{
UINT64 fence_value = 0;
GstCudaD3D12InteropResource *resource = nullptr;
};
static gpointer gst_cuda_d3d12_interop_fence_wait_thread (gpointer data);
struct FenceAsyncWaiter
{
FenceAsyncWaiter (ID3D12Fence * fence)
{
fence_ = fence;
queue_ = gst_vec_deque_new_for_struct (sizeof (FenceWaitData),
ASYNC_FENCE_WAIT_DEPTH);
thread_ = g_thread_new ("GstCudaD3D12Interop",
gst_cuda_d3d12_interop_fence_wait_thread, this);
}
~FenceAsyncWaiter ()
{
{
std::lock_guard < std::mutex > lk (lock_);
shutdown_ = true;
cond_.notify_one ();
}
g_thread_join (thread_);
while (!gst_vec_deque_is_empty (queue_)) {
auto fence_data = *((FenceWaitData *)
gst_vec_deque_pop_head_struct (queue_));
auto completed = fence_->GetCompletedValue ();
if (completed < fence_data.fence_value)
fence_->SetEventOnCompletion (fence_data.fence_value, nullptr);
gst_mini_object_unref (fence_data.resource);
}
gst_vec_deque_free (queue_);
}
void wait_async (UINT64 fence_value, GstCudaD3D12InteropResource * resource)
{
auto completed = fence_->GetCompletedValue ();
if (completed + ASYNC_FENCE_WAIT_DEPTH < fence_value) {
fence_->SetEventOnCompletion (fence_value - ASYNC_FENCE_WAIT_DEPTH,
nullptr);
}
FenceWaitData data;
data.fence_value = fence_value;
data.resource = resource;
std::lock_guard < std::mutex > lk (lock_);
gst_vec_deque_push_tail_struct (queue_, &data);
cond_.notify_one ();
}
ComPtr < ID3D12Fence > fence_;
GThread *thread_;
std::mutex lock_;
std::condition_variable cond_;
GstVecDeque *queue_;
bool shutdown_ = false;
};
static gpointer
gst_cuda_d3d12_interop_fence_wait_thread (gpointer data)
{
auto self = (FenceAsyncWaiter *) data;
while (true) {
FenceWaitData fence_data;
{
std::unique_lock < std::mutex > lk (self->lock_);
while (gst_vec_deque_is_empty (self->queue_) && !self->shutdown_)
self->cond_.wait (lk);
if (self->shutdown_)
return nullptr;
fence_data = *((FenceWaitData *)
gst_vec_deque_pop_head_struct (self->queue_));
}
auto completed = self->fence_->GetCompletedValue ();
if (completed < fence_data.fence_value) {
GST_TRACE ("Waiting for fence value %" G_GUINT64_FORMAT,
fence_data.fence_value);
self->fence_->SetEventOnCompletion (fence_data.fence_value, nullptr);
GST_TRACE ("Fence completed with value %" G_GUINT64_FORMAT,
fence_data.fence_value);
} else {
GST_TRACE ("Fence was completed already, fence value: %" G_GUINT64_FORMAT
", completed: %" G_GUINT64_FORMAT, fence_data.fence_value, completed);
}
gst_mini_object_unref (fence_data.resource);
}
return nullptr;
}
struct GstCudaD3D12InteropPrivate
{
GstCudaD3D12InteropPrivate ()
{
fence_data_pool = gst_d3d12_fence_data_pool_new ();
}
~GstCudaD3D12InteropPrivate ()
{
fence_waiter = nullptr;
while (!resource_pool.empty ()) {
auto resource = resource_pool.front ();
resource_pool.pop ();
gst_mini_object_unref (resource);
}
if (gst_cuda_context_push (context)) {
if (in_sem)
CuDestroyExternalSemaphore (in_sem);
if (out_sem)
CuDestroyExternalSemaphore (out_sem);
gst_cuda_context_pop (nullptr);
}
in_fence = nullptr;
out_fence = nullptr;
gst_clear_object (&fence_data_pool);
gst_clear_object (&context);
gst_clear_object (&device);
}
GstVideoInfo info;
D3D12_RESOURCE_DESC desc;
D3D12_HEAP_PROPERTIES heap_prop;
D3D12_RESOURCE_ALLOCATION_INFO alloc_info;
ComPtr < ID3D12Fence > in_fence;
ComPtr < ID3D12Fence > out_fence;
guint64 fence_val = 0;
CUexternalSemaphore in_sem = nullptr;
CUexternalSemaphore out_sem = nullptr;
D3D12_PLACED_SUBRESOURCE_FOOTPRINT layout[GST_VIDEO_MAX_PLANES];
GstD3D12FenceDataPool *fence_data_pool;
std::shared_ptr < FenceAsyncWaiter > fence_waiter;
std::mutex lock;
std::queue < GstCudaD3D12InteropResource * >resource_pool;
GstCudaContext *context = nullptr;
GstD3D12Device *device = nullptr;
};
struct _GstCudaD3D12Interop
{
GstObject parent;
GstCudaD3D12InteropPrivate *priv;
};
#define gst_cuda_d3d12_interop_parent_class parent_class
G_DEFINE_TYPE (GstCudaD3D12Interop, gst_cuda_d3d12_interop, GST_TYPE_OBJECT);
static void gst_cuda_d3d12_interop_finalize (GObject * object);
static void
gst_cuda_d3d12_interop_class_init (GstCudaD3D12InteropClass * klass)
{
auto object_class = G_OBJECT_CLASS (klass);
object_class->finalize = gst_cuda_d3d12_interop_finalize;
}
static void
gst_cuda_d3d12_interop_finalize (GObject * object)
{
auto self = GST_CUDA_D3D12_INTEROP (object);
delete self->priv;
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_cuda_d3d12_interop_init (GstCudaD3D12Interop * self)
{
self->priv = new GstCudaD3D12InteropPrivate ();
}
GstCudaD3D12Interop *
gst_cuda_d3d12_interop_new (GstCudaContext * context, GstD3D12Device * device,
const GstVideoInfo * info)
{
gint64 cuda_luid = 0;
gint64 d3d_luid = 0;
g_object_get (context, "dxgi-adapter-luid", &cuda_luid, nullptr);
g_object_get (device, "adapter-luid", &d3d_luid, nullptr);
if (cuda_luid != d3d_luid)
return nullptr;
auto self = (GstCudaD3D12Interop *)
g_object_new (GST_TYPE_CUDA_D3D12_INTEROP, nullptr);
gst_object_ref_sink (self);
auto priv = self->priv;
priv->context = (GstCudaContext *) gst_object_ref (context);
priv->device = (GstD3D12Device *) gst_object_ref (device);
guint64 size;
if (!gst_d3d12_get_copyable_footprints (device, info, priv->layout, &size)) {
gst_object_unref (self);
return nullptr;
}
priv->info = *info;
D3D12_RESOURCE_DESC desc = { };
desc.Dimension = D3D12_RESOURCE_DIMENSION_BUFFER;
desc.Alignment = 0;
desc.Width = size;
desc.Height = 1;
desc.DepthOrArraySize = 1;
desc.MipLevels = 1;
desc.Format = DXGI_FORMAT_UNKNOWN;
desc.SampleDesc.Count = 1;
desc.SampleDesc.Quality = 0;
desc.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR;
desc.Flags = D3D12_RESOURCE_FLAG_NONE;
priv->desc = desc;
D3D12_HEAP_PROPERTIES heap_prop = { };
heap_prop.Type = D3D12_HEAP_TYPE_DEFAULT;
heap_prop.CPUPageProperty = D3D12_CPU_PAGE_PROPERTY_UNKNOWN;
heap_prop.MemoryPoolPreference = D3D12_MEMORY_POOL_UNKNOWN;
heap_prop.CreationNodeMask = 1;
heap_prop.VisibleNodeMask = 1;
priv->heap_prop = heap_prop;
auto device_handle = gst_d3d12_device_get_device_handle (device);
priv->alloc_info = device_handle->GetResourceAllocationInfo (0, 1, &desc);
priv->in_fence = gst_d3d12_device_get_fence_handle (device,
D3D12_COMMAND_LIST_TYPE_COMPUTE);
auto hr = device_handle->CreateFence (0, D3D12_FENCE_FLAG_SHARED,
IID_PPV_ARGS (&priv->out_fence));
if (!gst_d3d12_result (hr, device)) {
gst_object_unref (self);
return nullptr;
}
HANDLE nt_handle;
hr = device_handle->CreateSharedHandle (priv->in_fence.Get (),
nullptr, GENERIC_ALL, nullptr, &nt_handle);
if (!gst_d3d12_result (hr, device)) {
gst_object_unref (self);
return nullptr;
}
gst_cuda_context_push (context);
CUDA_EXTERNAL_SEMAPHORE_HANDLE_DESC sem_desc = { };
sem_desc.type = CU_EXTERNAL_SEMAPHORE_HANDLE_TYPE_D3D12_FENCE;
sem_desc.handle.win32.handle = nt_handle;
auto cuda_ret = CuImportExternalSemaphore (&priv->in_sem, &sem_desc);
CloseHandle (nt_handle);
if (!gst_cuda_result (cuda_ret)) {
gst_cuda_context_pop (nullptr);
gst_object_unref (self);
return nullptr;
}
hr = device_handle->CreateSharedHandle (priv->out_fence.Get (), nullptr,
GENERIC_ALL, nullptr, &nt_handle);
if (!gst_d3d12_result (hr, device)) {
gst_cuda_context_pop (nullptr);
gst_object_unref (self);
return nullptr;
}
sem_desc.handle.win32.handle = nt_handle;
cuda_ret = CuImportExternalSemaphore (&priv->out_sem, &sem_desc);
CloseHandle (nt_handle);
gst_cuda_context_pop (nullptr);
if (!gst_cuda_result (cuda_ret)) {
gst_object_unref (self);
return nullptr;
}
priv->fence_waiter =
std::make_shared < FenceAsyncWaiter > (priv->out_fence.Get ());
return self;
}
static void
gst_cuda_d3d12_interop_resource_free (GstCudaD3D12InteropResource * resource)
{
delete resource;
}
static void
gst_cuda_d3d12_interop_resource_release (GstCudaD3D12Interop * interop,
GstCudaD3D12InteropResource * resource)
{
auto priv = interop->priv;
{
std::lock_guard < std::mutex > lk (priv->lock);
resource->dispose = nullptr;
resource->interop = nullptr;
priv->resource_pool.push (resource);
}
gst_object_unref (interop);
}
static gboolean
gst_cuda_d3d12_interop_resource_dispose (GstCudaD3D12InteropResource * resource)
{
if (!resource->interop)
return TRUE;
gst_mini_object_ref (resource);
gst_cuda_d3d12_interop_resource_release (resource->interop, resource);
return FALSE;
}
static gboolean
gst_cuda_d3d12_interop_acquire_resource (GstCudaD3D12Interop * self,
GstCudaD3D12InteropResource ** resource)
{
auto priv = self->priv;
*resource = nullptr;
GstCudaD3D12InteropResource *ret = nullptr;
{
std::lock_guard < std::mutex > lk (priv->lock);
if (!priv->resource_pool.empty ()) {
ret = priv->resource_pool.front ();
priv->resource_pool.pop ();
}
}
if (!ret) {
auto device = gst_d3d12_device_get_device_handle (priv->device);
ComPtr < ID3D12Resource > resource_12;
auto hr = device->CreateCommittedResource (&priv->heap_prop,
D3D12_HEAP_FLAG_SHARED, &priv->desc, D3D12_RESOURCE_STATE_COMMON,
nullptr, IID_PPV_ARGS (&resource_12));
if (!gst_d3d12_result (hr, priv->device)) {
GST_ERROR_OBJECT (self, "Couldn't allocate resource");
return FALSE;
}
HANDLE nt_handle;
hr = device->CreateSharedHandle (resource_12.Get (), nullptr,
GENERIC_ALL, nullptr, &nt_handle);
if (!gst_d3d12_result (hr, priv->device)) {
GST_ERROR_OBJECT (self, "Couldn't create shared handle");
return FALSE;
}
if (!gst_cuda_context_push (priv->context)) {
GST_ERROR_OBJECT (self, "Couldn't push context");
CloseHandle (nt_handle);
return FALSE;
}
CUDA_EXTERNAL_MEMORY_HANDLE_DESC mem_desc = { };
mem_desc.type = CU_EXTERNAL_MEMORY_HANDLE_TYPE_D3D12_RESOURCE;
mem_desc.handle.win32.handle = nt_handle;
mem_desc.size = priv->alloc_info.SizeInBytes;
/* CUDA_EXTERNAL_MEMORY_DEDICATED = 0x1 */
mem_desc.flags = 0x1;
CUexternalMemory ext_mem;
auto cuda_ret = CuImportExternalMemory (&ext_mem, &mem_desc);
CloseHandle (nt_handle);
if (!gst_cuda_result (cuda_ret)) {
GST_ERROR_OBJECT (self, "Couldn't import NT handle");
gst_cuda_context_pop (nullptr);
return FALSE;
}
CUDA_EXTERNAL_MEMORY_BUFFER_DESC buf_desc = { };
buf_desc.size = priv->desc.Width;
CUdeviceptr devptr;
cuda_ret = CuExternalMemoryGetMappedBuffer (&devptr, ext_mem, &buf_desc);
if (!gst_cuda_result (cuda_ret)) {
GST_ERROR_OBJECT (self, "Couldn't get mapped buffer");
CuDestroyExternalMemory (ext_mem);
gst_cuda_context_pop (nullptr);
return FALSE;
}
gst_cuda_context_pop (nullptr);
ret = new GstCudaD3D12InteropResource ();
gst_mini_object_init (ret, 0, gst_cuda_d3d12_interop_resource_get_type (),
nullptr, nullptr,
(GstMiniObjectFreeFunction) gst_cuda_d3d12_interop_resource_free);
ret->context = (GstCudaContext *) gst_object_ref (priv->context);
ret->resource = resource_12;
ret->ext_mem = ext_mem;
ret->devptr = devptr;
}
ret->interop = (GstCudaD3D12Interop *) gst_object_ref (self);
ret->dispose =
(GstMiniObjectDisposeFunction) gst_cuda_d3d12_interop_resource_dispose;
*resource = ret;
return TRUE;
}
gboolean
gst_cuda_d3d12_interop_upload_async (GstCudaD3D12Interop * interop,
GstBuffer * dst_cuda, GstBuffer * src_d3d12, GstCudaStream * stream)
{
GstD3D12Frame frame_12;
GstVideoFrame frame_cuda;
auto priv = interop->priv;
if (!gst_d3d12_frame_map (&frame_12, &priv->info,
src_d3d12, GST_MAP_READ_D3D12, GST_D3D12_FRAME_MAP_FLAG_NONE)) {
GST_ERROR_OBJECT (interop, "Couldn't map d3d12 buffer");
return FALSE;
}
if (!gst_d3d12_device_is_equal (priv->device, frame_12.device)) {
GST_WARNING_OBJECT (interop, "Different d3d12 device");
gst_d3d12_frame_unmap (&frame_12);
return FALSE;
}
if (!gst_video_frame_map (&frame_cuda, &priv->info, dst_cuda,
(GstMapFlags) (GST_MAP_WRITE | GST_MAP_CUDA))) {
GST_ERROR_OBJECT (interop, "Couldn't map cuda buffer");
gst_d3d12_frame_unmap (&frame_12);
return FALSE;
}
GstCudaD3D12InteropResource *resource;
if (!gst_cuda_d3d12_interop_acquire_resource (interop, &resource)) {
GST_ERROR_OBJECT (interop, "Couldn't acquire resource");
gst_d3d12_frame_unmap (&frame_12);
gst_video_frame_unmap (&frame_cuda);
return FALSE;
}
GstD3D12FenceData *fence_data;
gst_d3d12_fence_data_pool_acquire (priv->fence_data_pool, &fence_data);
gst_d3d12_fence_data_push (fence_data,
FENCE_NOTIFY_MINI_OBJECT (gst_buffer_ref (src_d3d12)));
gst_d3d12_fence_data_push (fence_data,
FENCE_NOTIFY_MINI_OBJECT (gst_mini_object_ref (resource)));
GstD3D12CopyTextureRegionArgs args[GST_VIDEO_MAX_PLANES] = { };
D3D12_BOX src_box[GST_VIDEO_MAX_PLANES] = { };
std::vector < ID3D12Fence * >fences_to_wait;
std::vector < guint64 > fence_values_to_wait;
for (guint i = 0; i < GST_VIDEO_INFO_N_PLANES (&priv->info); i++) {
auto fence = frame_12.fence[i].fence;
auto fence_val = frame_12.fence[i].fence_value;
if (fence) {
auto completed = fence->GetCompletedValue ();
if (completed < fence_val) {
fences_to_wait.push_back (fence);
fence_values_to_wait.push_back (fence_val);
}
}
src_box[i].left = 0;
src_box[i].top = 0;
src_box[i].right = MIN (frame_12.plane_rect[i].right,
priv->layout[i].Footprint.Width);
src_box[i].bottom = MIN (frame_12.plane_rect[i].bottom,
priv->layout[i].Footprint.Height);
src_box[i].front = 0;
src_box[i].back = 1;
args[i].src.Type = D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX;
args[i].src.pResource = frame_12.data[i];
args[i].src.SubresourceIndex = frame_12.subresource_index[i];
args[i].dst.Type = D3D12_TEXTURE_COPY_TYPE_PLACED_FOOTPRINT;
args[i].dst.pResource = resource->resource.Get ();
args[i].dst.PlacedFootprint = priv->layout[i];
}
guint64 fence_val;
auto ret = gst_d3d12_device_copy_texture_region (priv->device,
GST_VIDEO_INFO_N_PLANES (&priv->info), args, fence_data,
fences_to_wait.size (), fences_to_wait.data (),
fence_values_to_wait.data (),
D3D12_COMMAND_LIST_TYPE_COMPUTE, &fence_val);
gst_d3d12_frame_unmap (&frame_12);
if (!ret) {
GST_ERROR_OBJECT (interop, "Couldn't execute d3d12 copy");
gst_video_frame_unmap (&frame_cuda);
gst_mini_object_unref (resource);
return FALSE;
}
if (!gst_cuda_context_push (priv->context)) {
GST_ERROR_OBJECT (interop, "Couldn't push context");
gst_video_frame_unmap (&frame_cuda);
gst_mini_object_unref (resource);
return FALSE;
}
CUDA_EXTERNAL_SEMAPHORE_WAIT_PARAMS wait_params = { };
wait_params.params.fence.value = fence_val;
auto stream_handle = gst_cuda_stream_get_handle (stream);
auto cuda_ret = CuWaitExternalSemaphoresAsync (&priv->in_sem, &wait_params,
1, stream_handle);
if (!gst_cuda_result (cuda_ret)) {
GST_ERROR_OBJECT (interop, "CuWaitExternalSemaphoresAsync failed");
gst_video_frame_unmap (&frame_cuda);
gst_mini_object_unref (resource);
gst_cuda_context_pop (nullptr);
priv->in_fence->SetEventOnCompletion (fence_val, nullptr);
return FALSE;
}
for (guint i = 0; i < GST_VIDEO_FRAME_N_PLANES (&frame_cuda); i++) {
CUDA_MEMCPY2D copy_params = { };
guint8 *src_data = (guint8 *) resource->devptr;
src_data += priv->layout[i].Offset;
copy_params.srcMemoryType = CU_MEMORYTYPE_DEVICE;
copy_params.srcDevice = (CUdeviceptr) src_data;
copy_params.srcPitch = priv->layout[i].Footprint.RowPitch;
copy_params.dstMemoryType = CU_MEMORYTYPE_DEVICE;
copy_params.dstDevice = (CUdeviceptr)
GST_VIDEO_FRAME_PLANE_DATA (&frame_cuda, i);
copy_params.dstPitch = GST_VIDEO_FRAME_PLANE_STRIDE (&frame_cuda, i);
copy_params.WidthInBytes = GST_VIDEO_FRAME_COMP_WIDTH (&frame_cuda, i) *
GST_VIDEO_FRAME_COMP_PSTRIDE (&frame_cuda, i);
copy_params.Height = GST_VIDEO_FRAME_COMP_HEIGHT (&frame_cuda, i);
cuda_ret = CuMemcpy2DAsync (&copy_params, stream_handle);
if (!gst_cuda_result (cuda_ret)) {
GST_ERROR_OBJECT (interop, "CuMemcpy2DAsync failed");
gst_video_frame_unmap (&frame_cuda);
gst_mini_object_unref (resource);
gst_cuda_context_pop (nullptr);
priv->in_fence->SetEventOnCompletion (fence_val, nullptr);
return FALSE;
}
}
priv->fence_val++;
CUDA_EXTERNAL_SEMAPHORE_SIGNAL_PARAMS signal_params = { };
signal_params.params.fence.value = priv->fence_val;
cuda_ret = CuSignalExternalSemaphoresAsync (&priv->out_sem, &signal_params,
1, stream_handle);
gst_cuda_context_pop (nullptr);
gst_video_frame_unmap (&frame_cuda);
if (!gst_cuda_result (cuda_ret)) {
GST_ERROR_OBJECT (interop, "CuSignalExternalSemaphoresAsync failed");
gst_mini_object_unref (resource);
priv->fence_val--;
return FALSE;
}
priv->fence_waiter->wait_async (priv->fence_val, resource);
return TRUE;
}

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/* GStreamer
* Copyright (C) 2024 Seungha Yang <seungha@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#include <gst/gst.h>
#include <gst/d3d12/gstd3d12.h>
#include <gst/cuda/gstcuda.h>
#include <gst/video/video.h>
G_BEGIN_DECLS
#define GST_TYPE_CUDA_D3D12_INTEROP (gst_cuda_d3d12_interop_get_type())
G_DECLARE_FINAL_TYPE (GstCudaD3D12Interop, gst_cuda_d3d12_interop,
GST, CUDA_D3D12_INTEROP, GstObject)
GType gst_cuda_d3d12_interop_resource_get_type (void);
GstCudaD3D12Interop * gst_cuda_d3d12_interop_new (GstCudaContext * context,
GstD3D12Device * device,
const GstVideoInfo * info);
gboolean gst_cuda_d3d12_interop_upload_async (GstCudaD3D12Interop * interop,
GstBuffer * dst_cuda,
GstBuffer * src_d3d12,
GstCudaStream * stream);
G_END_DECLS

View file

@ -40,6 +40,10 @@ nvcodec_unix_sources = [
'gstcudaipcserver_unix.cpp', 'gstcudaipcserver_unix.cpp',
] ]
nvcodec_d3d12_sources = [
'gstcudainterop_d3d12.cpp',
]
if get_option('nvcodec').disabled() if get_option('nvcodec').disabled()
subdir_done() subdir_done()
endif endif
@ -79,6 +83,12 @@ if not nvbuf_dep.found()
nvcodec_sources += nvcodec_dgpu_sources nvcodec_sources += nvcodec_dgpu_sources
endif endif
if gstd3d12_dep.found()
extra_args += ['-DHAVE_GST_D3D12']
extra_deps += [gstd3d12_dep]
nvcodec_sources += nvcodec_d3d12_sources
endif
if cc.get_id() != 'msvc' if cc.get_id() != 'msvc'
if host_system == 'windows' if host_system == 'windows'
# MinGW 32bits compiler seems to be complaining about redundant-decls # MinGW 32bits compiler seems to be complaining about redundant-decls