gstreamer/subprojects/gst-plugins-bad/sys/d3d12/plugin.cpp

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/* GStreamer
* Copyright (C) 2023 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.
*/
/**
* plugin-d3d12:
*
* Since: 1.24
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <gst/gst.h>
#include "gstd3d12device.h"
#include "gstd3d12download.h"
#include "gstd3d12h264dec.h"
#include "gstd3d12h265dec.h"
#include "gstd3d12vp9dec.h"
#include "gstd3d12av1dec.h"
#include <wrl.h>
#include <d3d11_4.h>
/* *INDENT-OFF* */
using namespace Microsoft::WRL;
/* *INDENT-ON* */
GST_DEBUG_CATEGORY (gst_d3d12_debug);
GST_DEBUG_CATEGORY (gst_d3d12_allocator_debug);
GST_DEBUG_CATEGORY (gst_d3d12_decoder_debug);
GST_DEBUG_CATEGORY (gst_d3d12_fence_debug);
GST_DEBUG_CATEGORY (gst_d3d12_format_debug);
GST_DEBUG_CATEGORY (gst_d3d12_utils_debug);
#define GST_CAT_DEFAULT gst_d3d12_debug
static gboolean
plugin_init (GstPlugin * plugin)
{
GST_DEBUG_CATEGORY_INIT (gst_d3d12_debug, "d3d12", 0, "d3d12");
GST_DEBUG_CATEGORY_INIT (gst_d3d12_allocator_debug, "d3d12allocator", 0,
"d3d12allocator");
GST_DEBUG_CATEGORY_INIT (gst_d3d12_decoder_debug, "d3d12decoder", 0,
"d3d12decoder");
GST_DEBUG_CATEGORY_INIT (gst_d3d12_fence_debug, "d3d12fence", 0,
"d3d12fence");
GST_DEBUG_CATEGORY_INIT (gst_d3d12_format_debug, "d3d12format", 0,
"d3d12format");
GST_DEBUG_CATEGORY_INIT (gst_d3d12_utils_debug,
"d3d12utils", 0, "d3d12utils");
/* Enumerate devices to register decoders per device and to get the highest
* feature level */
/* AMD seems to be supporting up to 12 cards, and 8 for NVIDIA */
for (guint i = 0; i < 12; i++) {
GstD3D12Device *device = nullptr;
ID3D12Device *device_handle;
ComPtr < ID3D12VideoDevice > video_device;
GstD3D11Device *d3d11_device;
HRESULT hr;
gint64 luid;
gboolean d3d11_interop = FALSE;
device = gst_d3d12_device_new (i);
if (!device)
break;
device_handle = gst_d3d12_device_get_device_handle (device);
hr = device_handle->QueryInterface (IID_PPV_ARGS (&video_device));
if (FAILED (hr)) {
gst_object_unref (device);
continue;
}
g_object_get (device, "adapter-luid", &luid, nullptr);
d3d11_device = gst_d3d11_device_new_for_adapter_luid (luid,
D3D11_CREATE_DEVICE_BGRA_SUPPORT);
/* Enable d3d11 interop only if extended NV12 shared texture feature
* is supported by GPU */
if (d3d11_device) {
ID3D11Device *d3d11_handle =
gst_d3d11_device_get_device_handle (d3d11_device);
D3D11_FEATURE_DATA_D3D11_OPTIONS4 option4 = { FALSE };
hr = d3d11_handle->CheckFeatureSupport (D3D11_FEATURE_D3D11_OPTIONS4,
&option4, sizeof (D3D11_FEATURE_DATA_D3D11_OPTIONS4));
if (SUCCEEDED (hr) && option4.ExtendedNV12SharedTextureSupported)
d3d11_interop = TRUE;
gst_object_unref (d3d11_device);
}
gst_d3d12_h264_dec_register (plugin, device, video_device.Get (),
GST_RANK_NONE, d3d11_interop);
gst_d3d12_h265_dec_register (plugin, device, video_device.Get (),
GST_RANK_NONE, d3d11_interop);
gst_d3d12_vp9_dec_register (plugin, device, video_device.Get (),
GST_RANK_NONE, d3d11_interop);
gst_d3d12_av1_dec_register (plugin, device, video_device.Get (),
GST_RANK_NONE, d3d11_interop);
gst_object_unref (device);
}
gst_element_register (plugin,
"d3d12download", GST_RANK_NONE, GST_TYPE_D3D12_DOWNLOAD);
return TRUE;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
d3d12,
"Direct3D12 plugin",
plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)