mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-14 13:21:28 +00:00
125 lines
3.9 KiB
C++
125 lines
3.9 KiB
C++
/* GStreamer
|
|
* Copyright (C) 2021 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 "gstmfplatloader.h"
|
|
#include "gstmfconfig.h"
|
|
#include <gmodule.h>
|
|
|
|
GST_DEBUG_CATEGORY_EXTERN (gst_mf_debug);
|
|
#define GST_CAT_DEFAULT gst_mf_debug
|
|
|
|
/* *INDENT-OFF* */
|
|
#define LOAD_SYMBOL(name,func) G_STMT_START { \
|
|
if (!g_module_symbol (module, G_STRINGIFY (name), (gpointer *) &vtable->func)) { \
|
|
GST_WARNING ("Failed to load '%s', %s", G_STRINGIFY (name), g_module_error()); \
|
|
goto out; \
|
|
} \
|
|
} G_STMT_END;
|
|
|
|
typedef struct _GstMFPlatVTable
|
|
{
|
|
gboolean loaded;
|
|
|
|
HRESULT (__stdcall * GstMFTEnum2) (GUID guidCategory,
|
|
UINT32 Flags,
|
|
const MFT_REGISTER_TYPE_INFO * pInputType,
|
|
const MFT_REGISTER_TYPE_INFO * pOutputType,
|
|
IMFAttributes * pAttributes,
|
|
IMFActivate *** pppMFTActivate,
|
|
UINT32 * pnumMFTActivate);
|
|
|
|
HRESULT (__stdcall * GstMFCreateDXGIDeviceManager) (UINT * resetToken,
|
|
IMFDXGIDeviceManager ** ppDeviceManager);
|
|
|
|
HRESULT (__stdcall * GstMFCreateVideoSampleAllocatorEx) (REFIID riid,
|
|
void** ppSampleAllocator);
|
|
} GstMFPlatVTable;
|
|
/* *INDENT-ON* */
|
|
|
|
static GstMFPlatVTable gst_mf_plat_vtable = { 0, };
|
|
|
|
static gboolean
|
|
load_library_once (void)
|
|
{
|
|
static gsize load_once = 0;
|
|
if (g_once_init_enter (&load_once)) {
|
|
#if GST_MF_HAVE_D3D11
|
|
GModule *module;
|
|
GstMFPlatVTable *vtable = &gst_mf_plat_vtable;
|
|
|
|
module = g_module_open ("mfplat.dll", G_MODULE_BIND_LAZY);
|
|
if (!module)
|
|
goto out;
|
|
|
|
LOAD_SYMBOL (MFTEnum2, GstMFTEnum2);
|
|
LOAD_SYMBOL (MFCreateDXGIDeviceManager, GstMFCreateDXGIDeviceManager);
|
|
LOAD_SYMBOL (MFCreateVideoSampleAllocatorEx,
|
|
GstMFCreateVideoSampleAllocatorEx);
|
|
|
|
vtable->loaded = TRUE;
|
|
#endif
|
|
|
|
out:
|
|
g_once_init_leave (&load_once, 1);
|
|
}
|
|
|
|
return gst_mf_plat_vtable.loaded;
|
|
}
|
|
|
|
gboolean
|
|
gst_mf_plat_load_library (void)
|
|
{
|
|
return load_library_once ();
|
|
}
|
|
|
|
HRESULT __stdcall
|
|
GstMFTEnum2 (GUID guidCategory, UINT32 Flags,
|
|
const MFT_REGISTER_TYPE_INFO * pInputType,
|
|
const MFT_REGISTER_TYPE_INFO * pOutputType,
|
|
IMFAttributes * pAttributes, IMFActivate *** pppMFTActivate,
|
|
UINT32 * pnumMFTActivate)
|
|
{
|
|
g_assert (gst_mf_plat_vtable.GstMFTEnum2 != nullptr);
|
|
|
|
return gst_mf_plat_vtable.GstMFTEnum2 (guidCategory, Flags, pInputType,
|
|
pOutputType, pAttributes, pppMFTActivate, pnumMFTActivate);
|
|
}
|
|
|
|
HRESULT __stdcall
|
|
GstMFCreateDXGIDeviceManager (UINT * resetToken,
|
|
IMFDXGIDeviceManager ** ppDeviceManager)
|
|
{
|
|
g_assert (gst_mf_plat_vtable.GstMFCreateDXGIDeviceManager != nullptr);
|
|
|
|
return gst_mf_plat_vtable.GstMFCreateDXGIDeviceManager (resetToken,
|
|
ppDeviceManager);
|
|
}
|
|
|
|
HRESULT __stdcall
|
|
GstMFCreateVideoSampleAllocatorEx (REFIID riid, void **ppSampleAllocator)
|
|
{
|
|
g_assert (gst_mf_plat_vtable.GstMFCreateVideoSampleAllocatorEx != nullptr);
|
|
|
|
return gst_mf_plat_vtable.GstMFCreateVideoSampleAllocatorEx (riid,
|
|
ppSampleAllocator);
|
|
}
|