LookingGlass/host/CaptureFactory.h

90 lines
2.4 KiB
C++

/*
Looking Glass - KVM FrameRelay (KVMFR) Client
Copyright (C) 2017 Geoffrey McRae <geoff@hostfission.com>
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*/
#pragma once
#define W32_LEAN_AND_MEAN
#include <Windows.h>
#include <vector>
#include "common\debug.h"
#include "ICapture.h"
#include "Capture\NvFBC.h"
#include "Capture\DXGI.h"
class CaptureFactory
{
public:
typedef std::vector<ICapture *> DeviceList;
static DeviceList & GetDevices()
{
static DeviceList devices;
if (!devices.empty())
return devices;
devices.push_back(new Capture::NvFBC());
devices.push_back(new Capture::DXGI ());
return devices;
}
static ICapture * GetDevice(const char * name, CaptureOptions * options)
{
DeviceList devices = GetDevices();
for (DeviceList::const_iterator it = devices.begin(); it != devices.end(); ++it)
{
ICapture * device = *it;
if (_strcmpi(name, device->GetName()) != 0)
continue;
if (device->Initialize(options))
{
DEBUG_INFO("Using %s", device->GetName());
return device;
}
device->DeInitialize();
DEBUG_ERROR("Failed to initialize %s", device->GetName());
return NULL;
}
DEBUG_ERROR("No such device: %s", name);
return NULL;
}
static ICapture * DetectDevice(CaptureOptions * options)
{
DeviceList devices = GetDevices();
for (DeviceList::const_iterator it = devices.cbegin(); it != devices.cend(); ++it)
{
ICapture * device = *it;
DEBUG_INFO("Trying %s", device->GetName());
if (device->Initialize(options))
{
DEBUG_INFO("Using %s", device->GetName());
return device;
}
device->DeInitialize();
}
DEBUG_ERROR("Failed to initialize a capture device");
return NULL;
}
};