Exemplo n.º 1
0
static OSType Parse4CharCode(const char *arg, const char *name)
{
	OSType t;
	StrToOSType(arg, t);
	if (t == 0) {
		fprintf(stderr, "invalid 4-char-code argument for %s: '%s'\n\n", name, arg);
		usage();
	}
	return t;
}
Exemplo n.º 2
0
int main(int argc, const char * argv[])
{
#if TARGET_OS_MAC
	{
		thread_extended_policy_data_t		theFixedPolicy;
		theFixedPolicy.timeshare = false;	// set to true for a non-fixed thread
		thread_policy_set(pthread_mach_thread_np(pthread_self()), 
													THREAD_EXTENDED_POLICY, 
													(thread_policy_t)&theFixedPolicy, 
													THREAD_EXTENDED_POLICY_COUNT);

		// We keep a reference to the spawning thread's priority around (initialized in the constructor), 
		// and set the importance of the child thread relative to the spawning thread's priority.
		thread_precedence_policy_data_t		thePrecedencePolicy;
		
		thePrecedencePolicy.importance = 63 - 36;
		thread_policy_set(pthread_mach_thread_np(pthread_self()), 
													THREAD_PRECEDENCE_POLICY, 
													(thread_policy_t)&thePrecedencePolicy, 
													THREAD_PRECEDENCE_POLICY_COUNT);
	}
#endif


// These are the variables that are set up from the input parsing
	char* srcFilePath = NULL;
	char* auPresetFile = NULL;
	OSType manu, subType, type = 0;
	UInt32 numFrames = 4096;
	
	for (int i = 1; i < argc; ++i)
	{
		if (strcmp (argv[i], "-au") == 0) {
            if ( (i + 3) < argc ) {                
                StrToOSType (argv[i + 1], type);
                StrToOSType (argv[i + 2], subType);
                StrToOSType (argv[i + 3], manu);
				i += 3;
			} else {
				printf ("Which Audio Unit:\n%s", usageStr);
				exit(1);
			}
		}
		else if (strcmp (argv[i], "-i") == 0) {
			srcFilePath = const_cast<char*>(argv[++i]);
		}
		else if (strcmp (argv[i], "-p") == 0) {
			auPresetFile = const_cast<char*>(argv[++i]);
		}
		else if (strcmp (argv[i], "-f") == 0) {
			sscanf(argv[++i], "%ld", &numFrames);
		}
		else {
			printf ("%s\n", usageStr);
			exit(1);
		}
	}
	
	if (!type || !srcFilePath) {
		printf ("%s\n", usageStr);
		exit(1);
	}
	
	CAComponentDescription desc(type, subType, manu);
	
	CFPropertyListRef presetDict = ReadPresetFromPresetFile(auPresetFile);
	
#pragma mark -
#pragma mark __ The driving code
#pragma mark -

	try 
	{
		CAComponent comp(desc);
			
			 // CAAUProcessor's constructor throws... so make sure the component is valid
		if (comp.IsValid() == false) {
			printf ("Can't Find Component\n");
			desc.Print();
			exit(1);
		}
			
		CAAUProcessor processor(comp);
										processor.AU().Comp().Print();
		
		CAAudioFile srcFile;
		
		srcFile.Open(srcFilePath);


		UInt64 numInputSamples = srcFile.GetNumberFrames();

		Float64 inputSecs = (numInputSamples / srcFile.GetFileDataFormat().mSampleRate);
		
		CAStreamBasicDescription procFormat (srcFile.GetFileDataFormat());
		procFormat.SetCanonical (srcFile.GetFileDataFormat().NumberChannels(), false);

										printf ("Processing file: %s, %.1f secs [proc: %ld frames]\n", srcFilePath, inputSecs, numFrames);
										#if VERBOSE
											printf("\t");
											procFormat.Print();
										#endif
		
		srcFile.SetClientFormat (procFormat);
		
		AUOutputBL outputList(procFormat);
	
		// read the entire file into memory
		ReadBuffer* readBuf = new ReadBuffer;
		readBuf->readData = new AUOutputBL(procFormat);
		readBuf->totalInputFrames = numInputSamples;
		readBuf->readData->Allocate (numInputSamples);
		readBuf->readData->Prepare();
		UInt32 readSamps = (UInt32)numInputSamples;
		srcFile.Read (readSamps, readBuf->readData->ABL());
			
		AURenderCallbackStruct inputCallback;
		inputCallback.inputProc = MemoryInputCallback;
		inputCallback.inputProcRefCon = readBuf;
				
		OSStatus result;
		require_noerr (result = processor.EstablishInputCallback (inputCallback), home);
		require_noerr (result = processor.SetMaxFramesPerRender (numFrames), home); 
		require_noerr (result = processor.Initialize (procFormat, numInputSamples), home);
		if (presetDict) {
			require_noerr (result = processor.SetAUPreset (presetDict), home);
			CFRelease (presetDict);
		}
			// this does ALL of the preflighting.. could be specialise for an OfflineAU type
			// to do this piecemeal and do a progress bar by using the OfflineAUPreflight method
		readBuf->lastInputFrames = 0;
		require_noerr (result = processor.Preflight (), home);
	
	float mean;
	
	// now do the processing....
	{
		const int kThrasherSize = 4000000;
		char* thrasher = new char[kThrasherSize];
		
		bool isDone = false;
		
		UInt32 numMeasures = 0;
		Float64 totalMSqrd = 0;
		Float64 totalM = 0;
		
		int i = 0;
		int discardResults = 3;
						
			// this is the render loop
		while (!isDone) 
		{
			bool isSilence, postProcess;

			outputList.Prepare(); // have to do this every time...
			readBuf->lastInputFrames = 0;
			sLastReadTime = 0;
			memset (thrasher, numMeasures, kThrasherSize);

												UInt64 now = CAHostTimeBase::GetTheCurrentTime(); 
			require_noerr (result = processor.Render (outputList.ABL(), numFrames, isSilence, &isDone, &postProcess), home);
												UInt64 renderTime = (CAHostTimeBase::GetTheCurrentTime() - now);
			
			if (i++ < discardResults) continue;
			if (!readBuf->lastInputFrames) break;

			Float64 renderTimeSecs = CAHostTimeBase::ConvertToNanos (renderTime - sLastReadTime) / 1.0e9;
			
			Float64 cpuTime = (renderTimeSecs / (readBuf->lastInputFrames / procFormat.mSampleRate)) * 100.;
			numMeasures++;
			
			totalMSqrd += (cpuTime * cpuTime);
			totalM += cpuTime;

			if (cpuTime > sMaxTime)
				sMaxTime = cpuTime;
			if (cpuTime < sMinTime)
				sMinTime = cpuTime;
									
#if VERBOSE
//			printf ("current measure: %.2f\n", cpuTime);
			if (numMeasures % 5 == 0) {
				Float64 mean = totalM / numMeasures;				
					//	stdDev = (sum of Xsquared -((sum of X)*(sum of X)/N)) / (N-1))
				Float64 stdDev = sqrt ((totalMSqrd - ((totalM * totalM) / numMeasures)) / (numMeasures-1.0));
				printf ("ave: %.2f, min: %.2f, max: %.2f, stdev: %.2f, numMeasures: %ld, current: %f\n", 
					mean, sMinTime, sMaxTime, stdDev, numMeasures, cpuTime);
			}
#endif
		}
		delete [] thrasher;
		
		mean = totalM / numMeasures;
			//	stdDev = (sum of Xsquared -((sum of X)*(sum of X)/N)) / (N-1))
		Float64 stdDev = sqrt ((totalMSqrd - ((totalM * totalM) / numMeasures)) / (numMeasures-1.0));

		printf ("ave: %.2f, min: %.2f, max: %.2f, sd: %.2f, sd / mean: %.2f%%\n", 
			mean, sMinTime, sMaxTime, stdDev, (stdDev / mean * 100.));
	}

		// we don't care about post-processing

home:
		if (result) {
			printf ("Exit with bad result:%ld\n", result);
			exit(result);
		}
		
		if (readBuf) {
			delete readBuf->readData;
			delete readBuf;
		}
		

		CFStringRef str = comp.GetCompName();
		UInt32 compNameLen = CFStringGetLength (str);
		
		CFStringRef presetName = NULL;
		if (auPresetFile) {
			CFPropertyListRef dict;
			if (processor.AU().GetAUPreset (dict) == noErr) {
				presetName = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)dict, CFSTR("name"));
				CFRelease (dict);
			}
		}

		UInt32 presetLen = presetName ? CFStringGetLength(presetName) : 0;
		
		UInt32 groupID = comp.Desc().componentSubType;
		
		char* cstr = (char*)malloc (compNameLen + presetLen + 2 + 1);
		CFStringGetCString (str, cstr, (CFStringGetLength (str) + 1), kCFStringEncodingASCII);
		if (presetName) {
			cstr[compNameLen] = ':';
			cstr[compNameLen+1] = ':';
			CFStringGetCString (presetName, cstr + compNameLen + 2, (CFStringGetLength (presetName) + 1), kCFStringEncodingASCII);
			int len = strlen(cstr);
			for (int i = 0; i < len; ++i)
				groupID += cstr[i];
		}
		PerfResult("AU Profile", EndianU32_NtoB(groupID), cstr, mean, "%realtime");
		free (cstr);

	}
	catch (CAXException &e) {
		char buf[256];
		printf("Error: %s (%s)\n", e.mOperation, e.FormatError(buf));
		exit(1);
	}
	catch (...) {
		printf("An unknown error occurred\n");
		exit(1);
	}
			
	return 0;
}
Exemplo n.º 3
0
int main (int argc, const char * argv[]) 
{
	if (argc == 1) {
		fprintf (stderr, "%s\n", usageStr);
		exit(0);
	}
	
	char* filePath = 0;
	bool shouldPlay = false;
	bool shouldSetBank = false;
    bool shouldUseMIDIEndpoint = false;
	bool shouldPrint = true;
	bool waitAtEnd = false;
	bool diskStream = false;
	
	OSType dataFormat = 0;
	Float64 srate = 0;
	const char* outputFilePath = 0;
	
	MusicSequenceLoadFlags	loadFlags = 0;
	
	char* bankPath = 0;
	Float32 startTime = 0;
	UInt32 numFrames = 512;
	
	std::set<int> trackSet;
	
	for (int i = 1; i < argc; ++i)
	{
		if (!strcmp ("-p", argv[i]))
		{
			shouldPlay = true;
		}
		else if (!strcmp ("-w", argv[i]))
		{
			waitAtEnd = true;
		}
		else if (!strcmp ("-d", argv[i]))
		{
			diskStream = true;
		}
		else if (!strcmp ("-b", argv[i])) 
		{
			shouldSetBank = true;
			if (++i == argc) goto malformedInput;
			bankPath = const_cast<char*>(argv[i]);
		}
		else if (!strcmp ("-n", argv[i]))
		{
			shouldPrint = false;
		}
		else if ((filePath == 0) && (argv[i][0] == '/' || argv[i][0] == '~'))
		{
			filePath = const_cast<char*>(argv[i]);
		}
		else if (!strcmp ("-s", argv[i])) 
		{
			if (++i == argc) goto malformedInput;
			sscanf (argv[i], "%f", &startTime);
		}
		else if (!strcmp ("-t", argv[i])) 
		{
			int index;
			if (++i == argc) goto malformedInput;
			sscanf (argv[i], "%d", &index);
			trackSet.insert(--index);
		}
		else if (!strcmp("-e", argv[i]))
        {
            shouldUseMIDIEndpoint = true;
        }
		else if (!strcmp("-c", argv[i]))
        {
            loadFlags = kMusicSequenceLoadSMF_ChannelsToTracks;
        }
        else if (!strcmp ("-i", argv[i])) 
		{
			if (++i == argc) goto malformedInput;
			sscanf (argv[i], "%lu", (unsigned long*)(&numFrames));
		}
        else if (!strcmp ("-f", argv[i])) 
		{
			if (i + 3 >= argc) goto malformedInput;
			outputFilePath = argv[++i];
			StrToOSType (argv[++i], dataFormat);
			sscanf (argv[++i], "%lf", &srate);
		}
		else
		{
malformedInput:
			fprintf (stderr, "%s\n", usageStr);
			exit (1);
		}
	}
	
	if (filePath == 0) {
		fprintf (stderr, "You have to specify a MIDI file to print or play\n");
		fprintf (stderr, "%s\n", usageStr);
		exit (1);
	}
	
	if (shouldUseMIDIEndpoint && outputFilePath) {
		printf ("can't write a file when you try to play out to a MIDI Endpoint\n");
		exit (1);
	}
	
	MusicSequence sequence;
	OSStatus result;
	
	FailIf ((result = LoadSMF (filePath, sequence, loadFlags)), fail, "LoadSMF");
			
	if (shouldPrint) 
		CAShow (sequence);
	
	if (shouldPlay)
	{
        AUGraph graph = 0;
        AudioUnit theSynth = 0;
		
		FailIf ((result = MusicSequenceGetAUGraph (sequence, &graph)), fail, "MusicSequenceGetAUGraph");
		FailIf ((result = AUGraphOpen (graph)), fail, "AUGraphOpen");     
		  
		FailIf ((result = GetSynthFromGraph (graph, theSynth)), fail, "GetSynthFromGraph");
		FailIf ((result = AudioUnitSetProperty (theSynth,
										kAudioUnitProperty_CPULoad,
										kAudioUnitScope_Global, 0,
										&maxCPULoad, sizeof(maxCPULoad))), fail, "AudioUnitSetProperty: kAudioUnitProperty_CPULoad");

        if (shouldUseMIDIEndpoint) 
		{
			MIDIClientRef	theMidiClient;
			MIDIClientCreate(CFSTR("Play Sequence"), NULL, NULL, &theMidiClient);		
            
			ItemCount destCount = MIDIGetNumberOfDestinations();
            if (destCount == 0) {
                fprintf (stderr, "No MIDI Endpoints to play to.\n");
                exit(1);
            }
            
            FailIf ((result = MusicSequenceSetMIDIEndpoint (sequence, MIDIGetDestination(0))), fail, "MusicSequenceSetMIDIEndpoint");
        } 
		else 
		{   
			if (shouldSetBank) {
				CFURLRef soundBankURL = CFURLCreateFromFileSystemRepresentation(kCFAllocatorDefault, (const UInt8*)bankPath, strlen(bankPath), false);
								
				printf ("Setting Sound Bank:%s\n", bankPath);
					
				result = AudioUnitSetProperty (theSynth,
                                               kMusicDeviceProperty_SoundBankURL,
                                               kAudioUnitScope_Global, 0,
                                               &soundBankURL, sizeof(soundBankURL));
                if (soundBankURL) CFRelease(soundBankURL);
                FailIf (result, fail, "AudioUnitSetProperty: kMusicDeviceProperty_SoundBankURL");								
			}
						
			if (diskStream) {
				UInt32 value = diskStream;
				FailIf ((result = AudioUnitSetProperty (theSynth,
											kMusicDeviceProperty_StreamFromDisk,
											kAudioUnitScope_Global, 0,
											&value, sizeof(value))), fail, "AudioUnitSetProperty: kMusicDeviceProperty_StreamFromDisk");
			}

			if (outputFilePath) {
				// need to tell synth that is going to render a file.
				UInt32 value = 1;
				FailIf ((result = AudioUnitSetProperty (theSynth,
												kAudioUnitProperty_OfflineRender,
												kAudioUnitScope_Global, 0,
												&value, sizeof(value))), fail, "AudioUnitSetProperty: kAudioUnitProperty_OfflineRender");
			}
			
			FailIf ((result = SetUpGraph (graph, numFrames, srate, (outputFilePath != NULL))), fail, "SetUpGraph");
			
			if (shouldPrint) {
				printf ("Sample Rate: %.1f \n", srate);
				printf ("Disk Streaming is enabled: %c\n", (diskStream ? 'T' : 'F'));
			}
			
			FailIf ((result = AUGraphInitialize (graph)), fail, "AUGraphInitialize");

            if (shouldPrint)
				CAShow (graph);
        }
        
		MusicPlayer player;
		FailIf ((result = NewMusicPlayer (&player)), fail, "NewMusicPlayer");

		FailIf ((result = MusicPlayerSetSequence (player, sequence)), fail, "MusicPlayerSetSequence");

		// figure out sequence length
		UInt32 ntracks;
		FailIf ((MusicSequenceGetTrackCount (sequence, &ntracks)), fail, "MusicSequenceGetTrackCount");
		MusicTimeStamp sequenceLength = 0;
		bool shouldPrintTracks = shouldPrint && !trackSet.empty();
		if (shouldPrintTracks)
			printf ("Only playing specified tracks:\n\t");
		
		for (UInt32 i = 0; i < ntracks; ++i) {
			MusicTrack track;
			MusicTimeStamp trackLength;
			UInt32 propsize = sizeof(MusicTimeStamp);
			FailIf ((result = MusicSequenceGetIndTrack(sequence, i, &track)), fail, "MusicSequenceGetIndTrack");
			FailIf ((result = MusicTrackGetProperty(track, kSequenceTrackProperty_TrackLength,
							&trackLength, &propsize)), fail, "MusicTrackGetProperty: kSequenceTrackProperty_TrackLength");
			if (trackLength > sequenceLength)
				sequenceLength = trackLength;
			
			if (!trackSet.empty() && (trackSet.find(i) == trackSet.end()))
			{
				Boolean mute = true;
				FailIf ((result = MusicTrackSetProperty(track, kSequenceTrackProperty_MuteStatus, &mute, sizeof(mute))), fail, "MusicTrackSetProperty: kSequenceTrackProperty_MuteStatus");
			} 
			else if (shouldPrintTracks) {
				printf ("%d, ", int(i+1));
			}
		}
		if (shouldPrintTracks) 
			printf ("\n");
			
	// now I'm going to add 8 beats on the end for the reverb/long releases to tail off...
		sequenceLength += 8;
		
		FailIf ((result = MusicPlayerSetTime (player, startTime)), fail, "MusicPlayerSetTime");
		
		FailIf ((result = MusicPlayerPreroll (player)), fail, "MusicPlayerPreroll");
		
		if (shouldPrint) {
			printf ("Ready to play: %s, %.2f beats long\n\t<Enter> to continue: ", filePath, sequenceLength); 

			getc(stdin);
		}
		
        startRunningTime = CAHostTimeBase::GetTheCurrentTime();
		
/*		if (waitAtEnd && graph)
			AUGraphStart(graph);
*/		
		FailIf ((result = MusicPlayerStart (player)), fail, "MusicPlayerStart");
		
		if (outputFilePath) 
			WriteOutputFile (outputFilePath, dataFormat, srate, sequenceLength, shouldPrint, graph, numFrames, player);
		else
			PlayLoop (player, graph, sequenceLength, shouldPrint, waitAtEnd);
					
		FailIf ((result = MusicPlayerStop (player)), fail, "MusicPlayerStop");
		if (shouldPrint) printf ("finished playing\n");

/*		if (waitAtEnd) {
			CFRunLoopRunInMode(kCFRunLoopDefaultMode, 10, false);
			if (graph)
				AUGraphStop(graph);
			if (shouldPrint) printf ("disposing\n");
		}
*/		
// this shows you how you should dispose of everything
		FailIf ((result = DisposeMusicPlayer (player)), fail, "DisposeMusicPlayer");
		FailIf ((result = DisposeMusicSequence(sequence)), fail, "DisposeMusicSequence");
		// don't own the graph so don't dispose it (the seq owns it as we never set it ourselves, we just got it....)
	}
	else {
		FailIf ((result = DisposeMusicSequence(sequence)), fail, "DisposeMusicSequence");
	}
	
	while (waitAtEnd)
		CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.25, false);
		
    return 0;
	
fail:
	if (shouldPrint) printf ("Error = %ld\n", (long)result);
	return result;
}
Exemplo n.º 4
0
int main(int argc, const char * argv[])
{
	setbuf (stdout, NULL);


#if TARGET_OS_MAC
	{
		thread_extended_policy_data_t		theFixedPolicy;
		theFixedPolicy.timeshare = false;	// set to true for a non-fixed thread
		thread_policy_set(pthread_mach_thread_np(pthread_self()), 
													THREAD_EXTENDED_POLICY, 
													(thread_policy_t)&theFixedPolicy, 
													THREAD_EXTENDED_POLICY_COUNT);

		// We keep a reference to the spawning thread's priority around (initialized in the constructor), 
		// and set the importance of the child thread relative to the spawning thread's priority.
		thread_precedence_policy_data_t		thePrecedencePolicy;
		
		thePrecedencePolicy.importance = 63 - 36;
		thread_policy_set(pthread_mach_thread_np(pthread_self()), 
													THREAD_PRECEDENCE_POLICY, 
													(thread_policy_t)&thePrecedencePolicy, 
													THREAD_PRECEDENCE_POLICY_COUNT);
	}
#endif


// These are the variables that are set up from the input parsing
	char* srcFilePath = NULL;
	char* destFilePath = NULL;
	char* auPresetFile = NULL;
	bool shortMemoryProfile = false;
	OSType manu, subType, type = 0;
	int userSetFrames = -1;
	
	for (int i = 1; i < argc; ++i)
	{
		if (strcmp (argv[i], "-au") == 0) {
            if ( (i + 3) < argc ) {                
                StrToOSType (argv[i + 1], type);
                StrToOSType (argv[i + 2], subType);
                StrToOSType (argv[i + 3], manu);
				i += 3;
			} else {
				printf ("Which Audio Unit:\n%s", usageStr);
				exit(1);
			}
		}
		else if (strcmp (argv[i], "-i") == 0) {
			srcFilePath = const_cast<char*>(argv[++i]);
		}
		else if (strcmp (argv[i], "-o") == 0) {
			destFilePath = const_cast<char*>(argv[++i]);
		}
		else if (strcmp (argv[i], "-p") == 0) {
			auPresetFile = const_cast<char*>(argv[++i]);
		}
		else if (strcmp (argv[i], "-m") == 0) {
			shortMemoryProfile = true;
		}
		else if (strcmp (argv[i], "-f") == 0) {
			sscanf(argv[++i], "%d", &userSetFrames);
		}
		else {
			printf ("%s\n", usageStr);
			exit(1);
		}
	}
	
	if (!type || !srcFilePath) {
		printf ("%s\n", usageStr);
		exit(1);
	}
	if (!destFilePath) {
		if (!shortMemoryProfile) {
			printf ("%s\n", usageStr);
			exit(1);
		}
	}
			// delete pre-existing output file
	if (!shortMemoryProfile) {
		FSRef destFSRef;
		if (FSPathMakeRef((UInt8 *)destFilePath, &destFSRef, NULL) == noErr) {
			// output file exists - delete it
			if (FSDeleteObject(&destFSRef)) {
				printf ("Cannot Delete Output File\n");
				exit(1);
			}
		}
	}
	
	CAComponentDescription desc(type, subType, manu);
	
	CFPropertyListRef presetDict = ReadPresetFromPresetFile(auPresetFile);
	
		// the num of frames to use when processing the file with the Render call
	UInt32 maxFramesToUse = shortMemoryProfile ? 512 : 32768;

		// not set from command line
	if (userSetFrames > 0) {
		maxFramesToUse = userSetFrames; 
	}
		
		// in some settings (for instance a delay with 100% feedback) tail time is essentially infinite
		// so you should safeguard the final OL render stage (post process) which is aimed at pulling the tail through
		// if you want to bypass this completely, just set this to zero.
	Float64 maxTailTimeSecs = 10.;
	
#pragma mark -
#pragma mark __ The driving code
#pragma mark -

	try 
	{
		CAComponent comp(desc);
			
			 // CAAUProcessor's constructor throws... so make sure the component is valid
		if (comp.IsValid() == false) {
			printf ("Can't Find Component\n");
			desc.Print();
			exit(1);
		}
			
		CAAUProcessor processor(comp);
													processor.AU().Print();
		
		CAAudioFile srcFile;
		CAAudioFile destFile; 
		
		srcFile.Open(srcFilePath);

		CAStreamBasicDescription procFormat (srcFile.GetFileDataFormat());
		procFormat.SetCanonical (srcFile.GetFileDataFormat().NumberChannels(), false);

													printf ("Processing Format:\n\t");
													procFormat.Print();
		
		
		if (!shortMemoryProfile) {
			FSRef parentDir;
			CFStringRef filename;
			PosixPathToParentFSRefAndName(destFilePath, parentDir, filename);
			destFile.CreateNew (parentDir, filename, 'AIFF', srcFile.GetFileDataFormat());
			destFile.SetClientFormat (procFormat);
		}
	
		srcFile.SetClientFormat (procFormat);
		
		AUOutputBL outputList(procFormat);

		ReadBuffer* readBuf = NULL;	

#if !CAAF_USE_EXTAUDIOFILE
		UInt64 numInputSamples = srcFile.GetNumberPackets();
#else
		UInt64 numInputSamples = srcFile.GetNumberFrames();
#endif
	
		if (shortMemoryProfile) {
			readBuf = new ReadBuffer;
			readBuf->readData = new AUOutputBL(procFormat);
			readBuf->readFrames = 0;
			UInt32 numFrames = UInt32(procFormat.mSampleRate / 2);
			readBuf->readData->Allocate (numFrames); // half a second of audio data
			readBuf->readData->Prepare(); // half a second of audio data
				
				// read 1/2 second of audio into this read buffer
			srcFile.Read (numFrames, readBuf->readData->ABL());
			
			sInputCallback.inputProc = MemoryInputCallback;
			sInputCallback.inputProcRefCon = readBuf;
			numInputSamples = numFrames;
		}
		else {
			if (desc.IsFConv()) {
				maxFramesToUse = userSetFrames == -1 ? 512 : maxFramesToUse; 
				// some format converter's can call you several times in small granularities
				// so you can't use a large buffer to render or you won't return all of the input data
				// this also lessens the final difference between what you should get and what you do
				// converter units *really* should have a version that are offline AU's to 
				// handle this for you.
				sInputCallback.inputProc = FConvInputCallback;
			} else
				sInputCallback.inputProc = InputCallback;
			
			sInputCallback.inputProcRefCon = &srcFile;
		}
				
		OSStatus result;
		require_noerr (result = processor.EstablishInputCallback (sInputCallback), home);
		require_noerr (result = processor.SetMaxFramesPerRender (maxFramesToUse), home); 
		processor.SetMaxTailTime (maxTailTimeSecs);
		require_noerr (result = processor.Initialize (procFormat, numInputSamples), home);
		if (presetDict) {
			require_noerr (result = processor.SetAUPreset (presetDict), home);
			CFRelease (presetDict);
		}
			// this does ALL of the preflighting.. could be specialise for an OfflineAU type
			// to do this piecemeal and do a progress bar by using the OfflineAUPreflight method
		require_noerr (result = processor.Preflight (), home);
		
		bool isDone; isDone = false;
		bool needsPostProcessing;
		bool isSilence;
		UInt32 numFrames; numFrames = processor.MaxFramesPerRender();

#if CA_AU_PROFILE_TIME
		sReadTime = 0;
		sRenderTime = 0;
#endif
					
PRINT_MARKS();
			// this is the render loop
		while (!isDone) 
		{
											#if CA_AU_PROFILE_TIME 
												UInt64 now = CAHostTimeBase::GetTheCurrentTime(); 
											#endif
			outputList.Prepare(); // have to do this every time...
			require_noerr (result = processor.Render (outputList.ABL(), numFrames, isSilence, &isDone,
											&needsPostProcessing), home);
											#if CA_AU_PROFILE_TIME 
												sRenderTime += (CAHostTimeBase::GetTheCurrentTime() - now);
											#endif

if (!shortMemoryProfile)
	PRINT_PROGRESS(processor.GetOLPercentComplete());
else
	PRINT_PROGRESS(((processor.SampleTime() / numInputSamples) * 100.));
	
			if (numFrames && !shortMemoryProfile)
				destFile.Write (numFrames, outputList.ABL());
		}
			
			// this is the postprocessing if needed
		if (!shortMemoryProfile && needsPostProcessing) 
		{
			isDone = false;
			numFrames = processor.MaxFramesPerRender();
			while (!isDone) {
				outputList.Prepare(); // have to do this every time...
											#if CA_AU_PROFILE_TIME 
												UInt64 now = CAHostTimeBase::GetTheCurrentTime(); 
											#endif
				require_noerr (result = processor.PostProcess (outputList.ABL(), numFrames, 
													isSilence, isDone), home);
											#if CA_AU_PROFILE_TIME 
												sRenderTime += (CAHostTimeBase::GetTheCurrentTime() - now); 
											#endif

PRINT_PROGRESS(processor.GetOLPercentComplete());

				if (numFrames && !shortMemoryProfile)
					destFile.Write (numFrames, outputList.ABL());
			}
		}

printf ("\n");

home:
		if (result) {
			printf ("Exit with bad result:%ld\n", result);
			exit(result);
		}
		
		if (readBuf) {
			delete readBuf->readData;
			delete readBuf;
		}
					
#if CA_AU_PROFILE_TIME
	if (!shortMemoryProfile) {
			// this flushes any remaing data to be written to the disk. 
			// the source file is closed in its destructor of course
		destFile.Close(); 
			// open the file again, to get stats about it for profiling
		destFile.Open(destFilePath);
	}

	SInt64 numWritten;
	if (shortMemoryProfile)
		numWritten = 0;
	else {
#if !CAAF_USE_EXTAUDIOFILE
		numWritten = destFile.GetNumberPackets();
#else
		numWritten = destFile.GetNumberFrames();
#endif
	}

	printf ("Read File Time:%.2f secs for %lld packets (%.1f secs), wrote %lld packets\n", 
						(CAHostTimeBase::ConvertToNanos (sReadTime) / 1.0e9),
						numInputSamples,
						(numInputSamples / procFormat.mSampleRate),
						numWritten);

	if (!shortMemoryProfile) 
	{
#if !CAAF_USE_EXTAUDIOFILE
		UInt64 numOutputSamples = destFile.GetNumberPackets();
#else
		UInt64 numOutputSamples = destFile.GetNumberFrames();
#endif
	
		if (numOutputSamples == numInputSamples) {
			printf ("\tWrote the same number of packets as read\n");
		} else {
			bool expectationMet = !desc.IsOffline(); // we don't have any expectations for offline AU's
			if (processor.LatencySampleCount() || processor.TailSampleCount()) {
				if (numOutputSamples - numInputSamples == processor.TailSampleCount())
					expectationMet = true;
				if (expectationMet)	
					printf ("Correctly wrote \'Read Size + Tail\'. ");
				printf ("AU reports (samples): %ld latency, %ld tail\n", 
										processor.LatencySampleCount(), processor.TailSampleCount());
			}
			if (expectationMet == false) 
			{
				if (numOutputSamples > numInputSamples) {
					printf ("\tWrote %lld packets (%.2f secs) more than read\n", 
								(numOutputSamples - numInputSamples), 
								((numOutputSamples - numInputSamples) / procFormat.mSampleRate));
				} else {
					printf ("\tRead %lld packets (%.2f secs) more than wrote\n", 
								(numInputSamples - numOutputSamples), 
								((numInputSamples - numOutputSamples) / procFormat.mSampleRate));
				}
			}
		}
	}
	
	Float64 renderTimeSecs = CAHostTimeBase::ConvertToNanos (sRenderTime - sReadTime) / 1.0e9;
	printf ("Total Render Time:%.2f secs, using render slice size of %ld frames\n", 
							renderTimeSecs, maxFramesToUse);
	
	Float64 cpuUsage;
	if (shortMemoryProfile)
		cpuUsage = (renderTimeSecs / 0.5) * 100.;
	else
		cpuUsage = (renderTimeSecs / (numInputSamples / procFormat.mSampleRate)) * 100.;
	printf ("CPU Usage for Render Time:%.2f%%\n", cpuUsage);

	CFStringRef str = comp.GetCompName();
	UInt32 compNameLen = CFStringGetLength (str);
	
	CFStringRef presetName = NULL;
	if (auPresetFile) {
		CFPropertyListRef dict;
		if (processor.AU().GetAUPreset (dict) == noErr) {
			presetName = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)dict, CFSTR("name"));
			CFRelease (dict);
		}
	}

	UInt32 presetLen = presetName ? CFStringGetLength(presetName) : 0;

	char* cstr = (char*)malloc (compNameLen + presetLen + 2 + 1);
	CFStringGetCString (str, cstr, (CFStringGetLength (str) + 1), kCFStringEncodingASCII);
	if (presetName) {
		cstr[compNameLen] = ':';
		cstr[compNameLen+1] = ':';
		CFStringGetCString (presetName, cstr + compNameLen + 2, (CFStringGetLength (presetName) + 1), kCFStringEncodingASCII);
	}
	PerfResult("AudioUnitProcess", EndianU32_NtoB(comp.Desc().componentSubType), cstr, cpuUsage, "%realtime");
	free (cstr);
#endif


	}
	catch (CAXException &e) {
		char buf[256];
		printf("Error: %s (%s)\n", e.mOperation, e.FormatError(buf));
		exit(1);
	}
	catch (...) {
		printf("An unknown error occurred\n");
		exit(1);
	}
			
	return 0;
}