Function record

Samples/NiAudioSample/NiAudioSample.cpp:192–239

}

XnStatus record(Context& context, AudioGenerator* aGens, XnUInt32 nNodes)
{
	XnStatus nRetVal = XN_STATUS_OK;
	
	// open files
	XN_FILE_HANDLE aFiles[nSupportedNodes];

	for (XnUInt32 i = 0; i < nNodes; ++i)
	{
		XnChar strFileName[XN_FILE_MAX_PATH];
		sprintf(strFileName, "audio.%s.pcm", aGens[i].GetName());
		nRetVal = xnOSOpenFile(strFileName, XN_OS_FILE_WRITE, &aFiles[i]);
		CHECK_RC(nRetVal, "Open file");
	}
	
	printf ("Press any key to exit...\n");

	// drop data till now
	context.WaitAnyUpdateAll();

	while (!xnOSWasKeyboardHit())
	{
		// Read audio chunk
		nRetVal = context.WaitAnyUpdateAll();
		if (nRetVal != XN_STATUS_OK)
		{
			printf("Waiting for new data failed: %s\n", xnGetStatusString(nRetVal));
		}

		// check which node has new data
		for (XnUInt32 i = 0; i < nNodes; ++i)
		{
			if (aGens[i].IsDataNew())
			{
				nRetVal = xnOSWriteFile(aFiles[i], aGens[i].GetAudioBuffer(), aGens[i].GetDataSize());
				CHECK_RC(nRetVal, "Write to file");
			}
		}
	}

	// close files
	for (XnUInt32 i = 0; i < nNodes; ++i)
	{
		xnOSCloseFile(&aFiles[i]);
	}

	return (XN_STATUS_OK);
}

int main(int argc, char* argv[])
{