OniStatus Context::initialize()
{
XnBool repositoryOverridden = FALSE;
XnChar repositoryFromINI[XN_FILE_MAX_PATH] = {0};
m_initializationCounter++;
if (m_initializationCounter > 1)
{
xnLogVerbose(XN_MASK_ONI_CONTEXT, "Initialize: Already initialized");
return ONI_STATUS_OK;
}
XnStatus rc;
XnChar strModulePath[XN_FILE_MAX_PATH];
rc = xnOSGetModulePathForProcAddress(reinterpret_cast<void*>(&dummyFunctionToTakeAddress), strModulePath);
if (rc != XN_STATUS_OK)
{
m_errorLogger.Append("Couldn't get the OpenNI shared library module's path: %s", xnGetStatusString(rc));
return OniStatusFromXnStatus(rc);
}
XnChar strBaseDir[XN_FILE_MAX_PATH];
rc = xnOSGetDirName(strModulePath, strBaseDir, XN_FILE_MAX_PATH);
if (rc != XN_STATUS_OK)
{
// Very unlikely to happen, but just in case.
m_errorLogger.Append("Couldn't get the OpenNI shared library module's directory: %s", xnGetStatusString(rc));
return OniStatusFromXnStatus(rc);
}
s_valid = TRUE;
// Read configuration file
XnChar strOniConfigurationFile[XN_FILE_MAX_PATH];
XnBool configurationFileExists = FALSE;
// Search the module directory for OpenNI.ini.
xnOSStrCopy(strOniConfigurationFile, strBaseDir, XN_FILE_MAX_PATH);
rc = xnOSAppendFilePath(strOniConfigurationFile, ONI_CONFIGURATION_FILE, XN_FILE_MAX_PATH);
if (rc == XN_STATUS_OK)
{
xnOSDoesFileExist(strOniConfigurationFile, &configurationFileExists);
}
#ifdef ONI_PLATFORM_ANDROID_OS
xnLogSetMaskMinSeverity(XN_LOG_MASK_ALL, (XnLogSeverity)0);
xnLogSetAndroidOutput(TRUE);
#endif
if (configurationFileExists)
{
// First, we should process the log related configuration as early as possible.
XnInt32 nValue;
XnChar strLogPath[XN_FILE_MAX_PATH] = {0};
//Test if log redirection is needed
rc = xnOSReadStringFromINI(strOniConfigurationFile, "Log", "LogPath", strLogPath, XN_FILE_MAX_PATH);
if (rc == XN_STATUS_OK)
{
rc = xnLogSetOutputFolder(strLogPath);
if (rc != XN_STATUS_OK)
{
xnLogWarning(XN_MASK_ONI_CONTEXT, "Failed to set log output folder: %s", xnGetStatusString(rc));
}
else
{
xnLogVerbose(XN_MASK_ONI_CONTEXT, "Log directory redirected to: %s", strLogPath);
}
}
rc = xnOSReadIntFromINI(strOniConfigurationFile, "Log", "Verbosity", &nValue);
if (rc == XN_STATUS_OK)
{
xnLogSetMaskMinSeverity(XN_LOG_MASK_ALL, (XnLogSeverity)nValue);
}
rc = xnOSReadIntFromINI(strOniConfigurationFile, "Log", "LogToConsole", &nValue);
if (rc == XN_STATUS_OK)
{
xnLogSetConsoleOutput(nValue == 1);
}
rc = xnOSReadIntFromINI(strOniConfigurationFile, "Log", "LogToFile", &nValue);
if (rc == XN_STATUS_OK)
{
xnLogSetFileOutput(nValue == 1);
}
// Then, process the other device configurations.
rc = xnOSReadStringFromINI(strOniConfigurationFile, "Device", "Override", m_overrideDevice, XN_FILE_MAX_PATH);
if (rc != XN_STATUS_OK)
{
xnLogVerbose(XN_MASK_ONI_CONTEXT, "No override device in configuration file");
}
rc = xnOSReadStringFromINI(strOniConfigurationFile, "Drivers", "Repository", repositoryFromINI, XN_FILE_MAX_PATH);
if (rc == XN_STATUS_OK)
{
repositoryOverridden = TRUE;
}
xnLogVerbose(XN_MASK_ONI_CONTEXT, "Configuration has been read from '%s'", strOniConfigurationFile);
}
else
{
xnLogVerbose(XN_MASK_ONI_CONTEXT, "Couldn't find configuration file '%s'", strOniConfigurationFile);
}
xnLogVerbose(XN_MASK_ONI_CONTEXT, "OpenNI %s", ONI_VERSION_STRING);
// Resolve the drive path based on the module's directory.
XnChar strDriverPath[XN_FILE_MAX_PATH];
xnOSStrCopy(strDriverPath, strBaseDir, XN_FILE_MAX_PATH);
if (repositoryOverridden)
{
xnLogVerbose(XN_MASK_ONI_CONTEXT, "Extending the driver path by '%s', as configured in file '%s'", repositoryFromINI, strOniConfigurationFile);
rc = xnOSAppendFilePath(strDriverPath, repositoryFromINI, XN_FILE_MAX_PATH);
}
else
{
rc = xnOSAppendFilePath(strDriverPath, ONI_DEFAULT_DRIVERS_REPOSITORY, XN_FILE_MAX_PATH);
}
if (rc != XN_STATUS_OK)
{
m_errorLogger.Append("The driver path gets too long");
return OniStatusFromXnStatus(rc);
}
xnLogVerbose(XN_MASK_ONI_CONTEXT, "Using '%s' as driver path", strDriverPath);
rc = loadLibraries(strDriverPath);
if (rc == XN_STATUS_OK)
{
m_errorLogger.Clear();
}
return OniStatusFromXnStatus(rc);
}
OniStatus Context::initialize()
{
XnBool repositoryOverridden = FALSE;
XnChar repositoryFromINI[XN_FILE_MAX_PATH] = {0};
m_initializationCounter++;
if (m_initializationCounter > 1)
{
xnLogVerbose(XN_LOG_MASK_ALL, "Initialize: Already initialized");
return ONI_STATUS_OK;
}
XnStatus rc;
rc = m_newFrameAvailableEvent.Create(FALSE);
if (rc != XN_STATUS_OK)
{
m_errorLogger.Append("Couldn't create event for new frames: %s", xnGetStatusString(rc));
return ONI_STATUS_ERROR;
}
s_valid = TRUE;
// Read configuration file
XnBool configurationFileExists = FALSE;
rc = xnOSDoesFileExist(ONI_CONFIGURATION_FILE, &configurationFileExists);
if (configurationFileExists)
{
rc = xnOSReadStringFromINI(ONI_CONFIGURATION_FILE, "Device", "Override", m_overrideDevice, XN_FILE_MAX_PATH);
if (rc != XN_STATUS_OK)
{
xnLogVerbose(XN_LOG_MASK_ALL, "No override device in configuration file");
}
XnInt32 nValue;
rc = xnOSReadIntFromINI(ONI_CONFIGURATION_FILE, "Log", "Verbosity", &nValue);
if (rc == XN_STATUS_OK)
{
xnLogSetMaskMinSeverity(XN_LOG_MASK_ALL, (XnLogSeverity)nValue);
}
rc = xnOSReadIntFromINI(ONI_CONFIGURATION_FILE, "Log", "LogToConsole", &nValue);
if (rc == XN_STATUS_OK)
{
xnLogSetConsoleOutput(nValue == 1);
}
rc = xnOSReadIntFromINI(ONI_CONFIGURATION_FILE, "Log", "LogToFile", &nValue);
if (rc == XN_STATUS_OK)
{
xnLogSetFileOutput(nValue == 1);
}
rc = xnOSReadStringFromINI(ONI_CONFIGURATION_FILE, "Drivers", "Repository", repositoryFromINI, XN_FILE_MAX_PATH);
if (rc == XN_STATUS_OK)
{
repositoryOverridden = TRUE;
}
}
else
{
xnLogVerbose(XN_LOG_MASK_ALL, "Couldn't find configuration file '%s'", ONI_CONFIGURATION_FILE);
}
xnLogVerbose(XN_LOG_MASK_ALL, "OpenNI %s", ONI_VERSION_STRING);
// Use path specified in ini file
if (repositoryOverridden)
{
xnLogVerbose(XN_LOG_MASK_ALL, "Using '%s' as driver path, as configured in file '%s'", repositoryFromINI, ONI_CONFIGURATION_FILE);
rc = loadLibraries(repositoryFromINI);
return OniStatusFromXnStatus(rc);
}
xnLogVerbose(XN_LOG_MASK_ALL, "Using '%s' as driver path", ONI_DEFAULT_DRIVERS_REPOSITORY);
// Use default path
rc = loadLibraries(ONI_DEFAULT_DRIVERS_REPOSITORY);
if (rc != XN_STATUS_OK)
{
// Can't find through default - try environment variable
xnLogVerbose(XN_LOG_MASK_ALL, "Can't load drivers from default directory '%s'.", ONI_DEFAULT_DRIVERS_REPOSITORY);
char dirName[XN_FILE_MAX_PATH];
XnStatus envrc = xnOSGetEnvironmentVariable(ONI_ENV_VAR_DRIVERS_REPOSITORY, dirName, XN_FILE_MAX_PATH);
if (envrc == XN_STATUS_OK)
{
xnLogVerbose(XN_LOG_MASK_ALL, "Using '%s' as driver path, as configured by environment variable '%s'", dirName, ONI_ENV_VAR_DRIVERS_REPOSITORY);
rc = loadLibraries(dirName);
}
}
if (rc == XN_STATUS_OK)
{
m_errorLogger.Clear();
}
return OniStatusFromXnStatus(rc);
}
OniStatus Context::registerDeviceStateChangedCallback(OniDeviceStateCallback handler, void* pCookie, OniCallbackHandle& handle)
{
return OniStatusFromXnStatus(m_deviceStateChangedEvent.Register(handler, pCookie, (XnCallbackHandle&)handle));
}
OniStatus VideoStream::registerNewFrameCallback(OniGeneralCallback handler, void* pCookie, XnCallbackHandle* pHandle)
{
return OniStatusFromXnStatus(m_newFrameEvent.Register(handler, pCookie, *pHandle));
}
