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/*****************************************************************************
* *
* OpenNI 2.x Alpha *
* Copyright (C) 2012 PrimeSense Ltd. *
* *
* This file is part of OpenNI. *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* *
*****************************************************************************/
/// @file
/// Contains the declaration of Driver class that implements an OpenNI driver,
/// which manages virtual OpenNI devices. Those devices read their data from
/// *.ONI files.
#ifndef _ONIFILESPLAYER_DRIVER_H_
#define _ONIFILESPLAYER_DRIVER_H_ 1
#include "Driver/OniDriverAPI.h"
#include "XnString.h"
#include "XnOSCpp.h"
namespace oni_file {
/// Implements an OpenNI driver, which manages virtual OpenNI devices. Those
/// devics read their data from *.ONI files.
class PlayerDriver : public oni::driver::DriverBase
{
public:
/// @copydoc OniDriverBase::OniDriverBase(OniDriverServices*)
PlayerDriver(OniDriverServices* pDriverServices);
/// @copydoc OniDriverBase::DeviceOpen(const char*)
/// @todo Document it.
oni::driver::DeviceBase* deviceOpen(const char* strUri, const char* mode);
void deviceClose(oni::driver::DeviceBase* pDevice);
/// @copydoc OniDriverBase::Shutdown()
virtual void shutdown();
/// Verifies that the given URI's scheme is known, and emits a message which
/// notifies OpenNI that a device has been connected.
/// @param[in] strUri The requested URI which points to a *.ONI file.
/// @returns ONI_STATUS_OK whenever the URI is supported, or ONI_STATUS_ERROR
/// when it's not.
virtual OniStatus tryDevice(const char* strUri);
private:
static XnStatus XN_CALLBACK_TYPE FileOpen(void* pCookie);
static XnStatus XN_CALLBACK_TYPE FileRead(void* pCookie, void* pBuffer, XnUInt32 nSize, XnUInt32* pnBytesRead);
static void XN_CALLBACK_TYPE FileClose(void* pCookie);
static void XN_CALLBACK_TYPE EOFReached(void* pCookie, const char *strUri);
// Handle to the opened file.
XN_FILE_HANDLE m_fileHandle;
// Path to file.
xnl::String m_filePath;
};
} // namespace oni_files_player
#endif // _ONIFILESPLAYER_DRIVER_H_
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