Method Dump

Samples/NiBackRecorder/main.cpp:334–414

Save the current state of the buffer to a file

	// Save the current state of the buffer to a file
	XnStatus Dump()
	{
		xn::MockDepthGenerator mockDepth;
		xn::MockImageGenerator mockImage;

		xn::EnumerationErrors errors;
		XnStatus rc;

		// Create recorder
		rc = m_context.CreateAnyProductionTree(XN_NODE_TYPE_RECORDER, NULL, m_recorder, &errors);
		CHECK_RC_ERR(rc, "Create recorder", errors);

		// Create name of new file
		time_t rawtime;
		struct tm *timeinfo;
		time(&rawtime);
		timeinfo = localtime(&rawtime);
		XnChar strFileName[XN_FILE_MAX_PATH];
		sprintf(strFileName, "%s/%04d%02d%02d-%02d%02d%02d.oni", m_strDirName,
			timeinfo->tm_year+1900, timeinfo->tm_mon+1, timeinfo->tm_mday, timeinfo->tm_hour, timeinfo->tm_min, timeinfo->tm_sec);

		m_recorder.SetDestination(XN_RECORD_MEDIUM_FILE, strFileName);
		printf("Creating file %s\n", strFileName);

		// Create mock nodes based on the depth generator, to save depth
		if (m_bDepth)
		{
			// Create mock nodes based on the depth generator, to save depth
			rc = m_context.CreateMockNodeBasedOn(m_depthGenerator, NULL, mockDepth);
			CHECK_RC(rc, "Create depth node");
			rc = m_recorder.AddNodeToRecording(mockDepth);
			CHECK_RC(rc, "Add depth node");
		}
		if (m_bImage)
		{
			// Create mock nodes based on the image generator, to save image
			rc = m_context.CreateMockNodeBasedOn(m_imageGenerator, NULL, mockImage);
			CHECK_RC(rc, "Create image node");
			rc = m_recorder.AddNodeToRecording(mockImage);
			CHECK_RC(rc, "Add image node");
		}

		// Write frames from next index (which will be next to be written, and so the first available)
		// this is only if a full loop was done, and this frame has meaningful data
		if (m_nNextWrite < m_nBufferCount)
		{
			// Not first loop, right till end
			for (XnUInt32 i = m_nNextWrite; i < m_nBufferSize; ++i)
			{
				if (m_bDepth)
				{
					mockDepth.SetData(m_pFrames[i].depthFrame);
				}
				if (m_bImage)
				{
					mockImage.SetData(m_pFrames[i].imageFrame);
				}