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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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433301d0e5
This H/W encoder implementation is the recommended element on AMD system over the MediaFoundation one. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3394>
123 lines
3.2 KiB
C++
123 lines
3.2 KiB
C++
/* GStreamer
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* Copyright (C) 2022 Seungha Yang <seungha@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/**
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* plugin-amfcodec:
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*
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* Since: 1.22
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gst.h>
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#include <gst/d3d11/gstd3d11.h>
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#include <wrl.h>
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#include <core/Factory.h>
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#include <versionhelpers.h>
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#include "gstamfutils.h"
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#include "gstamfh264enc.h"
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#include "gstamfh265enc.h"
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/* *INDENT-OFF* */
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using namespace Microsoft::WRL;
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using namespace amf;
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/* *INDENT-ON* */
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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AMFFactory *amf_factory;
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ComPtr < IDXGIFactory1 > factory;
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HRESULT hr;
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if (!IsWindows8OrGreater ())
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return TRUE;
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if (!gst_amf_init_once ())
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return TRUE;
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amf_factory = (AMFFactory *) gst_amf_get_factory ();
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if (!amf_factory)
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return TRUE;
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hr = CreateDXGIFactory1 (IID_PPV_ARGS (&factory));
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if (FAILED (hr))
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return TRUE;
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/* Enumerate AMD GPUs */
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for (guint idx = 0;; idx++) {
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ComPtr < IDXGIAdapter1 > adapter;
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AMFContextPtr context;
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DXGI_ADAPTER_DESC desc;
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gint64 luid;
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GstD3D11Device *device;
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ID3D11Device *device_handle;
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AMF_RESULT result;
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D3D_FEATURE_LEVEL feature_level;
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AMF_DX_VERSION dx_ver = AMF_DX11_1;
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hr = factory->EnumAdapters1 (idx, &adapter);
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if (FAILED (hr))
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break;
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hr = adapter->GetDesc (&desc);
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if (FAILED (hr))
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continue;
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if (desc.VendorId != 0x1002 && desc.VendorId != 0x1022)
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continue;
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luid = gst_d3d11_luid_to_int64 (&desc.AdapterLuid);
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device = gst_d3d11_device_new_for_adapter_luid (luid,
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D3D11_CREATE_DEVICE_BGRA_SUPPORT);
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if (!device)
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continue;
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device_handle = gst_d3d11_device_get_device_handle (device);
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feature_level = device_handle->GetFeatureLevel ();
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if (feature_level >= D3D_FEATURE_LEVEL_11_1)
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dx_ver = AMF_DX11_1;
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else
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dx_ver = AMF_DX11_0;
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result = amf_factory->CreateContext (&context);
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if (result == AMF_OK)
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result = context->InitDX11 (device_handle, dx_ver);
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if (result == AMF_OK) {
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gst_amf_h264_enc_register_d3d11 (plugin, device,
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(gpointer) context.GetPtr (), GST_RANK_PRIMARY);
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gst_amf_h265_enc_register_d3d11 (plugin, device,
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(gpointer) context.GetPtr (), GST_RANK_PRIMARY);
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}
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gst_clear_object (&device);
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}
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return TRUE;
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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amfcodec,
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"AMD AMF Codec plugin",
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plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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