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

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/* GStreamer
* Copyright (C) 2022 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-amfcodec:
*
* Since: 1.22
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <gst/d3d11/gstd3d11.h>
#include <wrl.h>
#include <core/Factory.h>
#include <versionhelpers.h>
#include "gstamfutils.h"
#include "gstamfh264enc.h"
#include "gstamfh265enc.h"
#include "gstamfav1enc.h"
#include <glib/gi18n-lib.h>
/* *INDENT-OFF* */
using namespace Microsoft::WRL;
using namespace amf;
/* *INDENT-ON* */
static gboolean
plugin_init (GstPlugin * plugin)
{
AMFFactory *amf_factory;
ComPtr < IDXGIFactory1 > factory;
HRESULT hr;
bool have_amd_gpu = false;
if (!IsWindows8OrGreater ()) {
gst_plugin_add_status_warning (plugin,
N_("This plugin requires at least Windows 8 or newer."));
return TRUE;
}
if (!gst_amf_init_once () || !gst_amf_get_factory ()) {
gst_plugin_add_status_warning (plugin,
"AMF runtime library \"" AMF_DLL_NAMEA "\" was not found.");
return TRUE;
}
amf_factory = (AMFFactory *) gst_amf_get_factory ();
hr = CreateDXGIFactory1 (IID_PPV_ARGS (&factory));
if (FAILED (hr)) {
/* Shouldn't happen, this means all DirectX bits would not be functional */
gst_plugin_add_status_error (plugin, N_("Unable to enumerate GPUs."));
return TRUE;
}
/* Enumerate AMD GPUs */
for (guint idx = 0;; idx++) {
ComPtr < IDXGIAdapter1 > adapter;
AMFContextPtr context;
DXGI_ADAPTER_DESC desc;
gint64 luid;
GstD3D11Device *device;
ID3D11Device *device_handle;
AMF_RESULT result;
D3D_FEATURE_LEVEL feature_level;
AMF_DX_VERSION dx_ver = AMF_DX11_1;
hr = factory->EnumAdapters1 (idx, &adapter);
if (FAILED (hr))
break;
hr = adapter->GetDesc (&desc);
if (FAILED (hr))
continue;
if (desc.VendorId != 0x1002 && desc.VendorId != 0x1022)
continue;
have_amd_gpu = true;
luid = gst_d3d11_luid_to_int64 (&desc.AdapterLuid);
device = gst_d3d11_device_new_for_adapter_luid (luid,
D3D11_CREATE_DEVICE_BGRA_SUPPORT);
if (!device)
continue;
device_handle = gst_d3d11_device_get_device_handle (device);
feature_level = device_handle->GetFeatureLevel ();
if (feature_level >= D3D_FEATURE_LEVEL_11_1)
dx_ver = AMF_DX11_1;
else
dx_ver = AMF_DX11_0;
result = amf_factory->CreateContext (&context);
if (result == AMF_OK)
result = context->InitDX11 (device_handle, dx_ver);
if (result == AMF_OK) {
gst_amf_h264_enc_register_d3d11 (plugin, device,
(gpointer) context.GetPtr (), GST_RANK_PRIMARY);
gst_amf_h265_enc_register_d3d11 (plugin, device,
(gpointer) context.GetPtr (), GST_RANK_PRIMARY);
gst_amf_av1_enc_register_d3d11 (plugin, device,
(gpointer) context.GetPtr (), GST_RANK_NONE);
}
gst_clear_object (&device);
}
if (!have_amd_gpu) {
/* A little unexpected case. AMF runtime (part of driver) is installed
* but AMD GPU is not detected */
gst_plugin_add_status_warning (plugin,
N_("No AMD graphics cards detected!"));
}
return TRUE;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
amfcodec,
"AMD AMF Codec plugin",
plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)