Пример #1
0
void QTDR_CloseDownHandlers (void)
{
	if (gDataReader != NULL) {
		DataHCloseForRead(gDataReader);
		CloseComponent(gDataReader);
		gDataReader = NULL;
	}

	if (gDataWriter != NULL) {
		DataHCloseForWrite(gDataWriter);
		CloseComponent(gDataWriter);
		gDataWriter = NULL;
	}
	
	// dispose of the data buffer
	if (gDataBuffer != NULL)
		DisposePtr(gDataBuffer);
		
	// dispose of the routine descriptors
	if (gReadDataHCompletionUPP != NULL)
		DisposeDataHCompletionUPP(gReadDataHCompletionUPP);
		
	if (gWriteDataHCompletionUPP != NULL)
		DisposeDataHCompletionUPP(gWriteDataHCompletionUPP);
	
	gDoneTransferring = false;
	
#if TARGET_OS_WIN32
	// kill the timer that tasks the data handlers
	KillTimer(NULL, gTimerID);
#endif
}
Пример #2
0
CoreAudioOutput::~CoreAudioOutput()
{
	OSSpinLockLock(_spinlockAU);
	
	if(_au != NULL)
	{
		AudioOutputUnitStop(_au);
		AudioUnitUninitialize(_au);
#if defined(MAC_OS_X_VERSION_10_6) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
		if (IsOSXVersionSupported(10, 6, 0))
		{
			AudioComponentInstanceDispose(_au);
		}
		else
		{
			CloseComponent(_au);
		}
#else
		CloseComponent(_au);
#endif
		_au = NULL;
	}
	
	OSSpinLockUnlock(_spinlockAU);
	
	delete _buffer;
	_buffer = NULL;
	
	free(_spinlockAU);
	_spinlockAU = NULL;
}
Пример #3
0
void openMovSettingsPopup(TPropertyGroup *props, bool macBringToFront) {
#ifdef _WIN32
  if (InitializeQTML(0) != noErr) return;
#endif

  ComponentInstance ci =
      OpenDefaultComponent(StandardCompressionType, StandardCompressionSubType);

  QTAtomContainer atoms;
  QTNewAtomContainer(&atoms);

  fromPropertiesToAtoms(*props, atoms);

  ComponentResult err;

  if ((err = SCSetSettingsFromAtomContainer(ci, atoms)) != noErr) {
    CloseComponent(ci);
    ci = OpenDefaultComponent(StandardCompressionType,
                              StandardCompressionSubType);
    assert(false);
  }

  QTDisposeAtomContainer(atoms);

#ifdef MACOSX

// Install an external procedure to use a callback filter on the request
// settings dialog
// On MACOSX we need to change the dialog appearance in order to pop-up in front
// of the
// toonz main window.
/*
gProcStruct.filterProc = NewSCModalFilterUPP(QTCmpr_FilterProc);
// I don't install any hook
gProcStruct.hookProc = NULL;
gProcStruct.customName[0] = 0;
// I don't use refcon
gProcStruct.refcon = 0;

// set the current extended procs
SCSetInfo(ci, scExtendedProcsType, &gProcStruct);
*/
#endif

  err = SCRequestSequenceSettings(ci);
  // assert(err==noErr);
  QTAtomContainer atomsOut;

  if (SCGetSettingsAsAtomContainer(ci, &atomsOut) != noErr) assert(false);

  fromAtomsToProperties(atomsOut, *props);

  QTDisposeAtomContainer(atomsOut);
  CloseComponent(ci);

  // int dataSize=0, numChildren = 0, numLevels=0;
  // retrieveData(settings, kParentAtomIsContainer, dataSize, numChildren,
  // numLevels);
}
Пример #4
0
static bool
osx_output_enable(struct audio_output *ao, GError **error_r)
{
	struct osx_output *oo = (struct osx_output *)ao;

	ComponentDescription desc;
	desc.componentType = kAudioUnitType_Output;
	desc.componentSubType = oo->component_subtype;
	desc.componentManufacturer = kAudioUnitManufacturer_Apple;
	desc.componentFlags = 0;
	desc.componentFlagsMask = 0;

	Component comp = FindNextComponent(NULL, &desc);
	if (comp == 0) {
		g_set_error(error_r, osx_output_quark(), 0,
			    "Error finding OS X component");
		return false;
	}

	OSStatus status = OpenAComponent(comp, &oo->au);
	if (status != noErr) {
		g_set_error(error_r, osx_output_quark(), status,
			    "Unable to open OS X component: %s",
			    GetMacOSStatusCommentString(status));
		return false;
	}

	if (!osx_output_set_device(oo, error_r)) {
		CloseComponent(oo->au);
		return false;
	}

	AURenderCallbackStruct callback;
	callback.inputProc = osx_render;
	callback.inputProcRefCon = oo;

	ComponentResult result =
		AudioUnitSetProperty(oo->au,
				     kAudioUnitProperty_SetRenderCallback,
				     kAudioUnitScope_Input, 0,
				     &callback, sizeof(callback));
	if (result != noErr) {
		CloseComponent(oo->au);
		g_set_error(error_r, osx_output_quark(), result,
			    "unable to set callback for OS X audio unit");
		return false;
	}

	return true;
}
Пример #5
0
static int close_coreaudio(audio_output_t *ao)
{
	mpg123_coreaudio_t* ca = (mpg123_coreaudio_t*)ao->userptr;

	if (ca) {
		ca->decode_done = 1;
		while(!ca->play_done && ca->play) usleep(10000);
		
		/* No matter the error code, we want to close it (by brute force if necessary) */
		AudioConverterDispose(ca->converter);
		AudioOutputUnitStop(ca->outputUnit);
		AudioUnitUninitialize(ca->outputUnit);
		CloseComponent(ca->outputUnit);
	
	    /* Free the ring buffer */
		sfifo_close( &ca->fifo );
		
		/* Free the conversion buffer */
		if (ca->buffer) {
			free( ca->buffer );
			ca->buffer = NULL;
		}
		
	}
	
	return 0;
}
Пример #6
0
void CoreAudioDrv_PCM_Shutdown(void)
{
	OSStatus result;
	struct AudioUnitInputCallback callback;

	if (!Initialised) {
		return;
	}
	
    // stop processing the audio unit
	CoreAudioDrv_PCM_StopPlayback();
	
    // Remove the input callback
	callback.inputProc = 0;
	callback.inputProcRefCon = 0;
	result = AudioUnitSetProperty(output_audio_unit,
                                kAudioUnitProperty_SetInputCallback,
                                kAudioUnitScope_Input,
                                0,
                                &callback,
                                sizeof(callback));
	result = CloseComponent(output_audio_unit);

	pthread_mutex_destroy(&mutex);
	
	Initialised = 0;
}
Пример #7
0
    //------------------------------------------------------------------------
    bool pixel_map::save_as_qt(const char *filename) const
    {
		FSSpec						fss;
 		OSErr						err;
		
		// get file specification to application directory
		err = HGetVol(nil, &fss.vRefNum, &fss.parID);
		if (err == noErr)
		{
     		GraphicsExportComponent		ge;
  			CopyCStringToPascal(filename, fss.name);
  			// I decided to use PNG as output image file type.
  			// There are a number of other available formats.
  			// Should I check the file suffix to choose the image file format?
			err = OpenADefaultComponent(GraphicsExporterComponentType, kQTFileTypePNG, &ge);
			if (err == noErr)
			{
    			err = GraphicsExportSetInputGWorld(ge, m_pmap);
	    		if (err == noErr)
    			{
    				err = GraphicsExportSetOutputFile (ge, &fss);
    				if (err == noErr)
    				{
    					GraphicsExportDoExport(ge, nil);
    				}
    			}
    			CloseComponent(ge);
    		}
    	}
    	
        return err == noErr;
    }
Пример #8
0
/*----------------------------------------------------------------------
|    OsxAudioUnitsOutput_Destroy
+---------------------------------------------------------------------*/
static BLT_Result
OsxAudioUnitsOutput_Destroy(OsxAudioUnitsOutput* self)
{
    /* drain the queue */
    OsxAudioUnitsOutput_Drain(&ATX_BASE(self, BLT_OutputNode));

    /* stop the audio pump */
    OsxAudioUnitsOutput_Stop(&ATX_BASE_EX(self, BLT_BaseMediaNode, BLT_MediaNode));
    
    /* close the audio unit */
    if (self->audio_unit) {
        ComponentResult result;
        
        result = CloseComponent(self->audio_unit);
        if (result != noErr) {
            ATX_LOG_WARNING_1("CloseComponent failed (%d)", (int)result);
        }
    }
    
    /* destroy the queue */
    ATX_List_Destroy(self->packet_queue);
    
    /* destroy the lock */
    pthread_mutex_destroy(&self->lock);
    
    /* destruct the inherited object */
    BLT_BaseMediaNode_Destruct(&ATX_BASE(self, BLT_BaseMediaNode));

    /* free the object memory */
    ATX_FreeMemory(self);

    return BLT_SUCCESS;
}
Пример #9
0
SMACsdec::~SMACsdec()
{
	if(mDecoder != NULL)
	{
#if USE_DIRECT_ADEC
		DirectAudioCodecClose(mDecoder);
#else
		CloseComponent(mDecoder);
#endif
	}
	
	delete[] mOutputBuffer;
	delete[] mFloatBuffer;

#if	TARGET_API_MAC_OSX
	delete mThreadStateMutex;
	mThreadStateMutex = NULL;
#endif
	
#if	CaptureDataToFile
	if(mOutputFileRefNum != -1)
	{
		FSCloseFork(mOutputFileRefNum);
	}
#endif
}
Пример #10
0
QList<QByteArray> QMacPasteboardMimePict::convertFromMime(const QString &mime, QVariant variant,
                                                          QString flav)
{
    QList<QByteArray> ret;
    if (!resolveMimeQuickTimeSymbols())
        return ret;

    if (!canConvert(mime, flav))
        return ret;
    QCFType<CGImageRef> cgimage = qt_mac_createCGImageFromQImage(qvariant_cast<QImage>(variant));
    Handle pic = NewHandle(0);
    GraphicsExportComponent graphicsExporter;
    ComponentResult result = OpenADefaultComponent(GraphicsExporterComponentType,
                                                   kQTFileTypePicture, &graphicsExporter);
    if (!result) {
        unsigned long sizeWritten;
        result = ptrGraphicsExportSetInputCGImage(graphicsExporter, cgimage);
        if (!result)
            result = ptrGraphicsExportSetOutputHandle(graphicsExporter, pic);
        if (!result)
            result = ptrGraphicsExportDoExport(graphicsExporter, &sizeWritten);

        CloseComponent(graphicsExporter);
    }

    int size = GetHandleSize((Handle)pic);
    // Skip the Picture File header (512 bytes) and feed the raw data
    QByteArray ar(reinterpret_cast<char *>(*pic + 512), size - 512);
    ret.append(ar);
    DisposeHandle(pic);
    return ret;
}
Пример #11
0
static void coreaudio_free(void *data)
{
   coreaudio_t *dev = (coreaudio_t*)data;

   if (!dev)
      return;

   if (dev->dev_alive)
   {
      AudioOutputUnitStop(dev->dev);
#ifdef OSX_PPC
      CloseComponent(dev->dev);
#else
      AudioComponentInstanceDispose(dev->dev);
#endif
   }

   if (dev->buffer)
      fifo_free(dev->buffer);

   slock_free(dev->lock);
   scond_free(dev->cond);

   free(dev);
}
Пример #12
0
static void coreaudio_free(void *data)
{
   coreaudio_t *dev = (coreaudio_t*)data;

   if (!dev)
      return;

   if (dev->dev_alive)
   {
      AudioOutputUnitStop(dev->dev);
#if (defined(__MACH__) && (defined(__ppc__) || defined(__ppc64__)))
      CloseComponent(dev->dev);
#else
      AudioComponentInstanceDispose(dev->dev);
#endif
   }

   if (dev->buffer)
      fifo_free(dev->buffer);

   slock_free(dev->lock);
   scond_free(dev->cond);

   free(dev);
}
Пример #13
0
static void
osx_output_disable(struct audio_output *ao)
{
	struct osx_output *oo = (struct osx_output *)ao;

	CloseComponent(oo->au);
}
Пример #14
0
QVariant QMacPasteboardMimePict::convertToMime(const QString &mime, QList<QByteArray> data, QString flav)
{
    if(data.count() > 1)
        qWarning("QMacPasteboardMimePict: Cannot handle multiple member data");
    QVariant ret;
    if (!resolveMimeQuickTimeSymbols())
        return ret;

    if(!canConvert(mime, flav))
        return ret;
    const QByteArray &a = data.first();

    // This function expects the 512 header (just to skip it, so create the extra space for it).
    Handle pic = NewHandle(a.size() + 512);
    memcpy(*pic + 512, a.constData(), a.size());

    GraphicsImportComponent graphicsImporter;
    ComponentResult result = OpenADefaultComponent(GraphicsImporterComponentType,
                                                   kQTFileTypePicture, &graphicsImporter);
    QCFType<CGImageRef> cgImage;
    if (!result)
        result = ptrGraphicsImportSetDataHandle(graphicsImporter, pic);
    if (!result)
        result = ptrGraphicsImportCreateCGImage(graphicsImporter, &cgImage,
                                             kGraphicsImportCreateCGImageUsingCurrentSettings);
    if (!result)
        ret = QVariant(QPixmap::fromMacCGImageRef(cgImage).toImage());
    CloseComponent(graphicsImporter);
    DisposeHandle(pic);
    return ret;
}
Пример #15
0
void AUEditWindow::CloseView ()
{
	if (mEditView) {
		verify_noerr(CloseComponent(mEditView));
		mEditView = 0;
	}
}
Пример #16
0
int __stdcall QuickTimeComponentVersion(char *type, char *subtype) {
    OSType real_type, real_subtype;
    ComponentInstance ci;
    long version;

    // If we don't have QuickTime, we can't have any components, either.
    if (QuickTimeVersion() == 0)
        return 0;

    // If our type or subtype is invalid, return 0.
    if (strlen(type) != 4 || strlen(subtype) != 4)
        return 0;

    // Convert our type strings to Macintosh OSType codes.
    real_type = (type[0] << 24 | type[1] << 16 | type[2] << 8 | type[3]);
    real_subtype =
        (subtype[0] << 24 | subtype[1] << 16 | subtype[2] << 8 | subtype[3]);

    // Open up an instance of our component.
    ci = OpenDefaultComponent(real_type, real_subtype);
    if (!ci)
        return 0;

    // Get the version of our component.
    version = GetComponentVersion(ci);
    if (GetComponentInstanceError(ci) != noErr)
        return 0;

    // Close our component instance.
    if (CloseComponent(ci) != noErr)
        return 0;
    
    return version;
}
Пример #17
0
static void
COREAUDIO_CloseDevice(_THIS)
{
    if (this->hidden != NULL) {
        if (this->hidden->audioUnitOpened) {
            OSStatus result = noErr;
            AURenderCallbackStruct callback;
            const AudioUnitElement output_bus = 0;
            const AudioUnitElement input_bus = 1;
            const int iscapture = this->iscapture;
            const AudioUnitElement bus =
                ((iscapture) ? input_bus : output_bus);
            const AudioUnitScope scope =
                ((iscapture) ? kAudioUnitScope_Output :
                 kAudioUnitScope_Input);

            /* stop processing the audio unit */
            result = AudioOutputUnitStop(this->hidden->audioUnit);

            /* Remove the input callback */
            SDL_memset(&callback, '\0', sizeof(AURenderCallbackStruct));
            result = AudioUnitSetProperty(this->hidden->audioUnit,
                                          kAudioUnitProperty_SetRenderCallback,
                                          scope, bus, &callback,
                                          sizeof(callback));

            CloseComponent(this->hidden->audioUnit);
            this->hidden->audioUnitOpened = 0;
        }
        SDL_free(this->hidden->buffer);
        SDL_free(this->hidden);
        this->hidden = NULL;
    }
}
Пример #18
0
void Core_CloseAudio(_THIS)
{
    OSStatus result;
    struct AURenderCallbackStruct callback;

    /* stop processing the audio unit */
    result = AudioOutputUnitStop (outputAudioUnit);
    if (result != noErr) {
        SDL_SetError("Core_CloseAudio: AudioOutputUnitStop");
        return;
    }

    /* Remove the input callback */
    callback.inputProc = 0;
    callback.inputProcRefCon = 0;
    result = AudioUnitSetProperty (outputAudioUnit, 
                        kAudioUnitProperty_SetRenderCallback,
                        kAudioUnitScope_Input, 
                        0,
                        &callback, 
                        sizeof(callback));
    if (result != noErr) {
        SDL_SetError("Core_CloseAudio: AudioUnitSetProperty (kAudioUnitProperty_SetInputCallback)");
        return;
    }

    result = CloseComponent(outputAudioUnit);
    if (result != noErr) {
        SDL_SetError("Core_CloseAudio: CloseComponent");
        return;
    }
    
    SDL_free(buffer);
}
Пример #19
0
void _HYPlatformGraphicPane::_SavePicture	(_String prompt)
{
	InitializeQTExporters  ();
	if (graphicsFormats.lLength)
	{
		_String filePath;
		long 	menuChoice = SaveFileWithPopUp (filePath,
											      savePicPrompt,prompt,savePicAs,graphicsFormats);
	
		if (menuChoice>=0)
		{
			ComponentInstance grexc = OpenComponent ((Component)qtGrexComponents(menuChoice));
			GraphicsExportSetInputGWorld (grexc,thePane);
			FSSpec  fs;
			Str255	buff;
			StringToStr255 (filePath,buff);
			FSMakeFSSpec(0,0,buff,&fs);
			GraphicsExportSetOutputFile (grexc,&fs);
			GraphicsExportRequestSettings (grexc,nil,nil); 		
			unsigned long dummy;
			OSType t,c;		
			GraphicsExportGetDefaultFileTypeAndCreator (grexc,&t,&c);                           
			GraphicsExportSetOutputFileTypeAndCreator (grexc,t,c);
			GraphicsExportDoExport (grexc,&dummy);			
            CloseComponent (grexc);
        }
    }
}				
Пример #20
0
static void close_output(void)
{
	if(dmp.fd == -1) return;
	if(gNoteAllocator != NULL)
		CloseComponent(gNoteAllocator);
	dmp.fd = -1;	//disabled
}
Пример #21
0
static gboolean
gst_osx_video_src_stop (GstBaseSrc * src)
{
  GstOSXVideoSrc *self;
  ComponentResult err;

  self = GST_OSX_VIDEO_SRC (src);

  GST_DEBUG_OBJECT (src, "stopping");

  self->video_chan = NULL;

  err = CloseComponent (self->seq_grab);
  if (err != noErr)
    GST_WARNING_OBJECT (self, "CloseComponent returned %d", (int) err);
  self->seq_grab = NULL;

  DisposeGWorld (self->world);
  self->world = NULL;

  if (self->buffer != NULL) {
    gst_buffer_unref (self->buffer);
    self->buffer = NULL;
  }

  return TRUE;
}
Пример #22
0
void CoreAudioDriver::disconnect()
{
	OSStatus err = noErr;
	err = AudioOutputUnitStop( m_outputUnit );
	err = AudioUnitUninitialize( m_outputUnit );
	err = CloseComponent( m_outputUnit );
}
Пример #23
0
void free_qtcomponentdata(void) {
	if(qtdata) {
		if(qtdata->theComponent) CloseComponent(qtdata->theComponent);
		MEM_freeN(qtdata);
		qtdata = NULL;
	}
}
Пример #24
0
static void MacQTCloseVideoComponent(ComponentInstance ci)
{
	OSStatus	err;

	err = CloseComponent(ci);
	CheckError(err, 11);
}
/*
	MDIWndProc
*/
LRESULT CALLBACK MDIWndProc( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    HANDLE      hInfo;
	PINFO       pInfo;
	MSG			msg;
	EventRecord	macEvent;
	LONG		thePoints = GetMessagePos();
	PAINTSTRUCT	ps;

	msg.hwnd = hwnd;
	msg.message = message;
	msg.wParam = wParam;
	msg.lParam = lParam;
	msg.time = GetMessageTime();
	msg.pt.x = LOWORD(thePoints);
	msg.pt.y = HIWORD(thePoints);
	WinEventToMacEvent(&msg, &macEvent);           

    switch (message) 
    {
		case WM_CREATE:
		case WM_MDICREATE:
			break;
		case WM_DESTROY:
			hInfo = (HANDLE)GetWindowLong(hwnd, GWL_USERDATA);
            if (hInfo) 
            {
                if ((pInfo = (PINFO)LocalLock(hInfo)) != NULL){
					if (pInfo->gi) 
						// close the graphic import component
						CloseComponent(pInfo->gi);

						// Destroy our port association
						DestroyPortAssociation((CGrafPort *)GetHWNDPort(pInfo->hwndChildWindow));
				}
                LocalUnlock(hInfo);
			}
			break;

		// Draw our graphic
		case WM_PAINT:
			BeginPaint(hwnd, &ps); 
			hInfo = (HANDLE)GetWindowLong(hwnd, GWL_USERDATA);
            if (hInfo) 
            {
                if ((pInfo = (PINFO)LocalLock(hInfo)) != NULL)
					GraphicsImportDraw(pInfo->gi);
			
                LocalUnlock(hInfo);
			}
			EndPaint(hwnd, &ps);
			break;

        default:
            return DefMDIChildProc(hwnd, message, wParam, lParam);

    }
    return DefMDIChildProc(hwnd, message, wParam, lParam);
}
Пример #26
0
void MovieMaker::EndCapture()
{
	OSStatus	error = noErr;

	if (movie && movieResRef)
	{
		if (media && track)
		{
			// Errors adding the frame aren't too important here.
			(void)addFrame();
			
			error = EndMediaEdits(media);
			if (error == noErr)
			{
				error = SCCompressSequenceEnd(ci);
			}

			if (error == noErr)
			{
				error = InsertMediaIntoTrack(track, 0, 0, GetMediaDuration(media), fixed1);
			}
			media = NULL;
			track = NULL;
		}
		
		short resId = movieInDataForkResID;
		error = AddMovieResource(movie, movieResRef, &resId, "\pSecond Life");
		CloseMovieFile(movieResRef);
		movieResRef = 0;
		movie = NULL;
	}
	
	// NOTE:  idh is disposed by SCCompressSequenceEnd.
	idh = NULL;
	
	if(ci)
	{
		CloseComponent(ci);
		ci = NULL;
	}
	
	if(gworld)
	{
		DisposeGWorld(gworld);
		gworld = NULL;
	}

	if(buffer)
	{
		free(buffer);
		buffer = NULL;
	}

	if(invertedBuffer)
	{
		free(invertedBuffer);
		invertedBuffer = NULL;
	}
}
Пример #27
0
/** free all memory allocated by a driver instance
*/
static void coreaudio_driver_delete(coreaudio_driver_t * driver)
{
 	AudioDeviceRemovePropertyListener(driver->device_id, 0, true, kAudioDeviceProcessorOverload, notification);
    free(driver->input_list);
 	AudioUnitUninitialize(driver->au_hal);
	CloseComponent(driver->au_hal);
    free(driver);
}
Пример #28
0
void CCoreAudioUnit::Close()
{
  if (m_Initialized)
    AudioUnitUninitialize(m_Component);
  if (m_Component)
    CloseComponent(m_Component);
  m_Initialized = false;
  m_Component = 0;
}
Пример #29
0
void qDestroyEncoderAPI(QEncoder* encoder)
{
    // push out any remaining frames before releasing the compression session.
    ICMCompressionSessionCompleteFrames(encoder->session, 1, 0, 0);

    ICMCompressionSessionRelease(encoder->session);
    CloseComponent(encoder->compressor);
    free(encoder);
}
Пример #30
0
void	SMACscom::SetInfo(SoundSource inSourceID, OSType inSelector, void* inData)
{
    switch(inSelector)
    {
        case siCompressionParams:
            {
                //	process the the new params and produce an initialized
                //	AudioCodec instance
                ComponentInstance theEncoder = SetCompressionParams(inData);
                ThrowIf(theEncoder == NULL, badFormat, "SMACscom::SetInfo: siCompressionParams didn't generate an encoder");

                //	get rid of the input data
                mSourceData = NULL;
                mOutputData.desc.sampleCount = 0;
                mOutputData.bufferSize = 0;
                mOutputData.frameCount = 0;
                mOutputData.commonFrameSize = 0;

                //	close the old encoder if necessary
                if((mEncoder != NULL) && (theEncoder != mEncoder))
                {
                    CloseComponent(mEncoder);
                }
                
                //	use the new one
                mEncoder = theEncoder;
                
                //	get the number of frames in 1 packet of data
                UInt32 theSize = sizeof(UInt32);
                ComponentResult theError = AudioCodecGetProperty(mEncoder, kAudioCodecPropertyPacketFrameSize, &theSize, &mPacketFrameSize);
                ThrowIfError(theError, (CAException)theError, "SMACscom::SetInfo: siCompressionParams got an error from AudioCodecGetProperty while getting the packet frame size");
                
                //	get the maximum number of bytes in 1 packet of data
                theSize = sizeof(UInt32);
                theError = AudioCodecGetProperty(mEncoder, kAudioCodecPropertyMaximumPacketByteSize, &theSize, &mMaxPacketByteSize);
                ThrowIfError(theError, (CAException)theError, "SMACscom::SetInfo: siCompressionParams got an error from AudioCodecGetProperty while getting the maximum packet byte size");
                
                //	toss the old output buffer
                delete[] mOutputBuffer;
                
                //	allocate enough space for 1 packet of data, since that's
                //	that's all this component will produce per call to GetSourceData
                mOutputBuffer = new Byte[mMaxPacketByteSize];
            }
            break;
        
        case siSourceIsExhausted:
			// in this case it seems to be passed by value -- ugh!
            mSourceIsExhausted = (Boolean)((UInt32)inData);
            // Now pass this on, so no break!
        default:
            ThrowIf(mSourceComponent == NULL, siUnknownInfoType, "SMACscom::SetInfo: no source to pass request to")
            ComponentResult theError = SoundComponentSetInfo(mSourceComponent, inSourceID, inSelector, inData);
            ThrowIfError(theError, (CAException)theError, "SMACscom::SetInfo: got an error from SoundComponentSetInfo");
            break;
    };
}