mediafoundation: Use GetProcAddress() for OS version dependent symbols

We are using some symbols which are not available on Windows 7,
specifically D3D11 interop related ones

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1167>
This commit is contained in:
Seungha Yang 2021-10-16 01:15:06 +09:00
parent ee7af02c3e
commit d0c86365d2
7 changed files with 181 additions and 48 deletions

View file

@ -0,0 +1,126 @@
/* 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 <gmodule.h>
/* *INDENT-OFF* */
G_BEGIN_DECLS
GST_DEBUG_CATEGORY_EXTERN (gst_mf_debug);
#define GST_CAT_DEFAULT gst_mf_debug
G_END_DECLS
#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)) {
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;
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 != NULL);
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 != NULL);
return gst_mf_plat_vtable.GstMFCreateDXGIDeviceManager (resetToken,
ppDeviceManager);
}
HRESULT __stdcall
GstMFCreateVideoSampleAllocatorEx (REFIID riid, void **ppSampleAllocator)
{
g_assert (gst_mf_plat_vtable.GstMFCreateVideoSampleAllocatorEx != NULL);
return gst_mf_plat_vtable.GstMFCreateVideoSampleAllocatorEx (riid,
ppSampleAllocator);
}

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@ -0,0 +1,44 @@
/* 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.
*/
#pragma once
#include <gst/gst.h>
#include <windows.h>
#include <mfapi.h>
G_BEGIN_DECLS
gboolean gst_mf_plat_load_library (void);
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);
G_END_DECLS

View file

@ -25,9 +25,9 @@
#include "gstmfconfig.h"
#include <gst/gst.h>
#include <gmodule.h>
#include "gstmftransform.h"
#include "gstmfutils.h"
#include "gstmfplatloader.h"
#include <string.h>
#include <wrl.h>
@ -41,43 +41,6 @@ GST_DEBUG_CATEGORY_EXTERN (gst_mf_transform_debug);
G_END_DECLS
static GModule *mf_plat_module = NULL;
typedef HRESULT (__stdcall *pMFTEnum2) (GUID guidCategory,
UINT32 Flags,
const MFT_REGISTER_TYPE_INFO * pInputType,
const MFT_REGISTER_TYPE_INFO * pOutputType,
IMFAttributes * pAttributes,
IMFActivate *** pppMFTActivate,
UINT32 * pnumMFTActivate);
static pMFTEnum2 GstMFTEnum2Func = NULL;
gboolean
gst_mf_transform_load_library (void)
{
#if GST_MF_HAVE_D3D11
static gsize _init = 0;
if (g_once_init_enter (&_init)) {
mf_plat_module = g_module_open ("mfplat.dll", G_MODULE_BIND_LAZY);
if (mf_plat_module) {
if (!g_module_symbol (mf_plat_module, "MFTEnum2",
(gpointer *) & GstMFTEnum2Func)) {
GST_WARNING ("Cannot load MFTEnum2 symbol");
g_module_close (mf_plat_module);
mf_plat_module = NULL;
GstMFTEnum2Func = NULL;
} else {
GST_INFO ("MFTEnum2 symbol is available");
}
}
g_once_init_leave (&_init, 1);
}
#endif
return ! !GstMFTEnum2Func;
}
typedef HRESULT (*GstMFTransformAsyncCallbackOnEvent) (MediaEventType event,
GstObject * client);
@ -508,7 +471,7 @@ gst_mf_transform_thread_func (GstMFTransform * self)
/* NOTE: MFTEnum2 is desktop only and requires Windows 10 */
#if GST_MF_HAVE_D3D11
if (GstMFTEnum2Func && self->enum_params.adapter_luid &&
if (gst_mf_plat_load_library () && self->enum_params.adapter_luid &&
(self->enum_params.enum_flags & MFT_ENUM_FLAG_HARDWARE) != 0) {
ComPtr < IMFAttributes > attr;
LUID luid;
@ -533,7 +496,7 @@ gst_mf_transform_thread_func (GstMFTransform * self)
goto run_loop;
}
hr = GstMFTEnum2Func (self->enum_params.category,
hr = GstMFTEnum2 (self->enum_params.category,
self->enum_params.enum_flags, self->enum_params.input_typeinfo,
self->enum_params.output_typeinfo, attr.Get (), &devices, &num_devices);
} else

View file

@ -69,8 +69,6 @@ typedef HRESULT (*GstMFTransformNewSampleCallback) (GstMFTransform * object,
IMFSample * sample,
gpointer user_data);
gboolean gst_mf_transform_load_library (void);
GstMFTransform * gst_mf_transform_new (GstMFTransformEnumParams * params);
gboolean gst_mf_transform_open (GstMFTransform * object);

View file

@ -24,8 +24,9 @@
#include <gst/gst.h>
#include "gstmfvideoenc.h"
#include <wrl.h>
#include "gstmfvideobuffer.h"
#include "gstmfplatloader.h"
#include <wrl.h>
#include <string.h>
#include <cmath>
@ -167,7 +168,7 @@ gst_mf_video_enc_open (GstVideoEncoder * enc)
device = self->d3d11_device;
hr = MFCreateDXGIDeviceManager (&self->reset_token, &self->device_manager);
hr = GstMFCreateDXGIDeviceManager (&self->reset_token, &self->device_manager);
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (self, "Couldn't create DXGI device manager");
gst_clear_object (&self->other_d3d11_device);
@ -477,7 +478,7 @@ gst_mf_video_enc_set_format (GstVideoEncoder * enc, GstVideoCodecState * state)
GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY)) {
GST_DEBUG_OBJECT (self, "found D3D11 memory feature");
hr = MFCreateVideoSampleAllocatorEx (IID_PPV_ARGS (&allocator));
hr = GstMFCreateVideoSampleAllocatorEx (IID_PPV_ARGS (&allocator));
if (!gst_mf_result (hr))
GST_WARNING_OBJECT (self,
"IMFVideoSampleAllocatorEx interface is unavailable");

View file

@ -13,6 +13,7 @@ mf_sources = [
'gstmfaacenc.cpp',
'gstmfmp3enc.cpp',
'gstmfvideobuffer.cpp',
'gstmfplatloader.c',
]
mf_desktop_sources = [

View file

@ -36,10 +36,10 @@
#include "gstmfvp9enc.h"
#include "gstmfaacenc.h"
#include "gstmfmp3enc.h"
#include "gstmftransform.h"
#if GST_MF_HAVE_D3D11
#include <gst/d3d11/gstd3d11.h>
#include <gstmfplatloader.h>
#endif
GST_DEBUG_CATEGORY (gst_mf_debug);
@ -67,7 +67,7 @@ get_d3d11_devices (void)
IMFVideoSampleAllocatorEx *allocator = NULL;
/* Check whether we can use IMFVideoSampleAllocatorEx interface */
hr = MFCreateVideoSampleAllocatorEx (&IID_IMFVideoSampleAllocatorEx,
hr = GstMFCreateVideoSampleAllocatorEx (&IID_IMFVideoSampleAllocatorEx,
&allocator);
if (!gst_mf_result (hr)) {
GST_DEBUG ("IMFVideoSampleAllocatorEx interface is unavailable");
@ -189,7 +189,7 @@ plugin_init (GstPlugin * plugin)
* So, resulting MFT and D3D11 might not be compatible in case of multi-GPU
* environment on UWP. */
#if GST_MF_HAVE_D3D11
if (gst_mf_transform_load_library ())
if (gst_mf_plat_load_library ())
device_list = get_d3d11_devices ();
#endif