reviewing javascript base classes after recent changes in the class hierarchy

20 files changed, 142 insertions, 95 deletions

diff --git a/JMX.xcodeproj/project.pbxproj b/JMX.xcodeproj/project.pbxproj
index c830496..7ea3ba3 100644
--- a/JMX.xcodeproj/project.pbxproj
+++ b/JMX.xcodeproj/project.pbxproj
@@ -89,6 +89,9 @@
 AA5563C412B188EB00C882FF /* CIAlphaFade.m in Sources */ = {isa = PBXBuildFile; fileRef = AA555FC712AEF39600C882FF /* CIAlphaFade.m */; };
 AA7F247212907AA500BE432F /* libv8.dylib in Frameworks */ = {isa = PBXBuildFile; fileRef = AA7F247112907AA500BE432F /* libv8.dylib */; };
 AA8CB78E1282BB9900A17115 /* JMXScriptFile.mm in Sources */ = {isa = PBXBuildFile; fileRef = AA8CB78D1282BB9900A17115 /* JMXScriptFile.mm */; };
+ AA8F785812C5880100EA8543 /* VideoCapture.js in Deploy JS API */ = {isa = PBXBuildFile; fileRef = AA4B039812C06C3000775B88 /* VideoCapture.js */; };
+ AA8F785912C5880100EA8543 /* MovieFile.js in Deploy JS API */ = {isa = PBXBuildFile; fileRef = AA8F770712C5718600EA8543 /* MovieFile.js */; };
+ AA8F785A12C5880100EA8543 /* AudioFile.js in Deploy JS API */ = {isa = PBXBuildFile; fileRef = AA8F770812C571A200EA8543 /* AudioFile.js */; };
 AACE7D04129315DE00FBDC0D /* JMXScriptEntity.mm in Sources */ = {isa = PBXBuildFile; fileRef = AACE7D03129315DE00FBDC0D /* JMXScriptEntity.mm */; };
 AACE7D331293195600FBDC0D /* JMXV8PropertyAccessors.mm in Sources */ = {isa = PBXBuildFile; fileRef = AACE7D321293195600FBDC0D /* JMXV8PropertyAccessors.mm */; };
 AAD139BB128EA0DF00ECB03A /* JMXDrawPath.mm in Sources */ = {isa = PBXBuildFile; fileRef = AAD139BA128EA0DF00ECB03A /* JMXDrawPath.mm */; };
@@ -109,6 +112,9 @@
 AA4BFED112BE25E900775B88 /* VideoOutput.js in Deploy JS API */,
 AA4BFF2F12BE2F9500775B88 /* VideoFilter.js in Deploy JS API */,
 AA4B01F412BEC85F00775B88 /* AudioCapture.js in Deploy JS API */,
+ AA8F785812C5880100EA8543 /* VideoCapture.js in Deploy JS API */,
+ AA8F785912C5880100EA8543 /* MovieFile.js in Deploy JS API */,
+ AA8F785A12C5880100EA8543 /* AudioFile.js in Deploy JS API */,
 );
 name = "Deploy JS API";
 runOnlyForDeploymentPostprocessing = 0;
@@ -267,14 +273,14 @@
 AA4BFDF712BE0CF800775B88 /* Size.js */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.javascript; path = Size.js; sourceTree = "<group>"; };
 AA4BFDF812BE0CF800775B88 /* Point.js */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.javascript; path = Point.js; sourceTree = "<group>"; };
 AA4BFDF912BE0CF800775B88 /* Pin.js */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.javascript; path = Pin.js; sourceTree = "<group>"; };
- AA4BFDFA12BE0CF800775B88 /* MovieFile.js */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.javascript; path = MovieFile.js; sourceTree = "<group>"; };
+ AA4BFDFA12BE0CF800775B88 /* QtMovieFile.js */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.javascript; path = QtMovieFile.js; sourceTree = "<group>"; };
 AA4BFDFB12BE0CF800775B88 /* Entity.js */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.javascript; path = Entity.js; sourceTree = "<group>"; };
 AA4BFDFC12BE0CF800775B88 /* DrawPath.js */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.javascript; path = DrawPath.js; sourceTree = "<group>"; };
 AA4BFDFD12BE0CF800775B88 /* CoreImageFilter.js */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.javascript; path = CoreImageFilter.js; sourceTree = "<group>"; };
 AA4BFDFE12BE0CF800775B88 /* Color.js */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.javascript; path = Color.js; sourceTree = "<group>"; };
 AA4BFDFF12BE0CF800775B88 /* AudioSpectrum.js */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.javascript; path = AudioSpectrum.js; sourceTree = "<group>"; };
 AA4BFE0012BE0CF800775B88 /* CoreAudioOutput.js */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.javascript; path = CoreAudioOutput.js; sourceTree = "<group>"; };
- AA4BFE0112BE0CF800775B88 /* AudioFile.js */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.javascript; path = AudioFile.js; sourceTree = "<group>"; };
+ AA4BFE0112BE0CF800775B88 /* CoreAudioAudioFile.js */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.javascript; path = CoreAudioAudioFile.js; sourceTree = "<group>"; };
 AA4BFE1112BE0D7400775B88 /* AudioOutput.js */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.javascript; path = AudioOutput.js; sourceTree = "<group>"; };
 AA4BFE1312BE0E2000775B88 /* JMX.js */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.javascript; path = JMX.js; sourceTree = "<group>"; };
 AA4BFE1512BE135000775B88 /* VideoOutput.js */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.javascript; path = VideoOutput.js; sourceTree = "<group>"; };
@@ -288,6 +294,8 @@
 AA8CB78C1282BB9800A17115 /* JMXScriptFile.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = JMXScriptFile.h; sourceTree = "<group>"; };
 AA8CB78D1282BB9900A17115 /* JMXScriptFile.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = JMXScriptFile.mm; sourceTree = "<group>"; };
 AA8F768C12C40D2700EA8543 /* QtVideoCapture.js */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.javascript; path = QtVideoCapture.js; sourceTree = "<group>"; };
+ AA8F770712C5718600EA8543 /* MovieFile.js */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.javascript; path = MovieFile.js; sourceTree = "<group>"; };
+ AA8F770812C571A200EA8543 /* AudioFile.js */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.javascript; path = AudioFile.js; sourceTree = "<group>"; };
 AACE7D02129315DE00FBDC0D /* JMXScriptEntity.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = JMXScriptEntity.h; sourceTree = "<group>"; };
 AACE7D03129315DE00FBDC0D /* JMXScriptEntity.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = JMXScriptEntity.mm; sourceTree = "<group>"; };
 AACE7D311293195600FBDC0D /* JMXV8PropertyAccessors.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = JMXV8PropertyAccessors.h; sourceTree = "<group>"; };
@@ -531,6 +539,8 @@
 AA4BFEFD12BE2B4500775B88 /* VideoFilter.js */,
 AA4B01F312BEC85500775B88 /* AudioCapture.js */,
 AA4B039812C06C3000775B88 /* VideoCapture.js */,
+ AA8F770712C5718600EA8543 /* MovieFile.js */,
+ AA8F770812C571A200EA8543 /* AudioFile.js */,
 );
 path = jsapi;
 sourceTree = SOURCE_ROOT;
@@ -542,14 +552,14 @@
 AA4BFDF712BE0CF800775B88 /* Size.js */,
 AA4BFDF812BE0CF800775B88 /* Point.js */,
 AA4BFDF912BE0CF800775B88 /* Pin.js */,
- AA4BFDFA12BE0CF800775B88 /* MovieFile.js */,
+ AA4BFDFA12BE0CF800775B88 /* QtMovieFile.js */,
 AA4BFDFB12BE0CF800775B88 /* Entity.js */,
 AA4BFDFC12BE0CF800775B88 /* DrawPath.js */,
 AA4BFDFD12BE0CF800775B88 /* CoreImageFilter.js */,
 AA4BFDFE12BE0CF800775B88 /* Color.js */,
 AA4BFDFF12BE0CF800775B88 /* AudioSpectrum.js */,
 AA4BFE0012BE0CF800775B88 /* CoreAudioOutput.js */,
- AA4BFE0112BE0CF800775B88 /* AudioFile.js */,
+ AA4BFE0112BE0CF800775B88 /* CoreAudioAudioFile.js */,
 AA4BFE1912BE13D100775B88 /* OpenGLScreen.js */,
 AA4B01FA12BECCCA00775B88 /* QtAudioCapture.js */,
 AA8F768C12C40D2700EA8543 /* QtVideoCapture.js */,
diff --git a/core/JMXEntity.mm b/core/JMXEntity.mm
index 9e91d88..b1c3b34 100644
--- a/core/JMXEntity.mm
+++ b/core/JMXEntity.mm
@@ -500,7 +500,6 @@ v8::Persistent<v8::FunctionTemplate>JMXEntityJSClassTemplate()
 // set instance methods
 v8::Handle<ObjectTemplate> instanceTemplate = classTemplate->InstanceTemplate();
 instanceTemplate->SetInternalFieldCount(1);
- 
 // Add accessors for each of the fields of the entity.
 instanceTemplate->SetAccessor(String::NewSymbol("name"), GetStringProperty, SetStringProperty);
 instanceTemplate->SetAccessor(String::NewSymbol("description"), GetStringProperty);
diff --git a/core/JMXScript.mm b/core/JMXScript.mm
index ac20d46..8788bd9 100644
--- a/core/JMXScript.mm
+++ b/core/JMXScript.mm
@@ -55,7 +55,7 @@ static JMXV8ClassDescriptor mappedClasses[] = {
 { "JMXVideoMixer", "VideoMixer", JMXVideoMixerJSConstructor },
 { "JMXAudioFileEntity", "CoreAudioFile", JMXAudioFileEntityJSConstructor },
 { "JMXCoreAudioOutput", "CoreAudioOutput", JMXCoreAudioOutputJSConstructor },
- { "JMXQtAudioCaptureEntity", "QtAudioCapture", JMXCoreAudioOutputJSConstructor },
+ { "JMXQtAudioCaptureEntity", "QtAudioCapture", JMXQtAudioCaptureEntityJSConstructor },
 { "JMXAudioSpectrumAnalyzer", "AudioSpectrum", JMXAudioSpectrumAnalyzerJSConstructor },
 { "JMXDrawEntity", "DrawPath", JMXDrawEntityJSConstructor },
 { "JMXPoint", "Point", JMXPointJSConstructor },
diff --git a/core/JMXThreadedEntity.mm b/core/JMXThreadedEntity.mm
index 8546bd0..9d3ab33 100644
--- a/core/JMXThreadedEntity.mm
+++ b/core/JMXThreadedEntity.mm
@@ -407,6 +407,7 @@ static Persistent<FunctionTemplate> classTemplate;
 v8::Handle<ObjectTemplate> classProto = classTemplate->PrototypeTemplate();
 classProto->Set("start", FunctionTemplate::New(Start));
 classProto->Set("stop", FunctionTemplate::New(Stop));
+ classTemplate->InstanceTemplate()->SetInternalFieldCount(1);
 classTemplate->InstanceTemplate()->SetAccessor(String::NewSymbol("frequency"), GetNumberProperty, SetNumberProperty);
 return classTemplate;
 }
diff --git a/entities/JMXAudioCapture.mm b/entities/JMXAudioCapture.mm
index 0e12bc8..cad4e4c 100644
--- a/entities/JMXAudioCapture.mm
+++ b/entities/JMXAudioCapture.mm
@@ -132,9 +132,9 @@ static v8::Handle<Value> DefaultDevice(const Arguments& args)
 NSString *defaultDevice = [[vc class] defaultDevice];
 v8::Handle<String> deviceName = String::New([defaultDevice UTF8String]);
 [pool release];
- handleScope.Close(deviceName);
+ return handleScope.Close(deviceName);
 }
- return handleScope.Close(Undefined());
+ return v8::Undefined();
 }
 
 
@@ -142,19 +142,20 @@ static v8::Handle<Value> DefaultDevice(const Arguments& args)
 static v8::Handle<Value>AvailableDevices(const Arguments& args)
 {
 HandleScope handleScope;
- NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ v8::Handle<Object> holder = args.Holder();
+ v8::String::Utf8Value value(holder->ObjectProtoToString());
 JMXAudioCapture *entity = (JMXAudioCapture *)args.Holder()->GetPointerFromInternalField(0);
- NSArray *availableDevices;
- if (entity)
- availableDevices = [[entity class] availableDevices];
- else
- availableDevices = [JMXAudioCapture availableDevices]; // XXX
- v8::Handle<Array> list = Array::New([availableDevices count]);
- for (int i = 0; i < [availableDevices count]; i++) {
- list->Set(i, String::New([[availableDevices objectAtIndex:i] UTF8String]));
+ if (entity) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ NSArray *availableDevices = [[entity class] availableDevices];
+ v8::Handle<Array> list = Array::New([availableDevices count]);
+ for (int i = 0; i < [availableDevices count]; i++) {
+ list->Set(i, String::New([[availableDevices objectAtIndex:i] UTF8String]));
+ }
+ [pool drain];
+ return handleScope.Close(list);
 }
- [pool drain];
- return handleScope.Close(list);
+ return v8::Undefined();
 }
 
 
@@ -181,14 +182,15 @@ static v8::Handle<Value> SelectDevice(const Arguments& args)
 HandleScope handleScope;
 if (!classTemplate.IsEmpty())
 return classTemplate;
+ NSLog(@"JMXAudioCapture ClassTemplate created");
 classTemplate = v8::Persistent<FunctionTemplate>::New(FunctionTemplate::New());
 classTemplate->Inherit([super jsClassTemplate]);
- classTemplate->SetClassName(String::New("AudioCapture"));
+ classTemplate->SetClassName(String::New("QtAudioCapture"));
 classTemplate->InstanceTemplate()->SetInternalFieldCount(1);
 v8::Handle<ObjectTemplate> classProto = classTemplate->PrototypeTemplate();
 classProto->Set("start", FunctionTemplate::New(Start));
 classProto->Set("stop", FunctionTemplate::New(Stop));
- classProto->Set("avaliableDevices", FunctionTemplate::New(AvailableDevices));
+ classProto->Set("availableDevices", FunctionTemplate::New(AvailableDevices));
 classProto->Set("selectDevice", FunctionTemplate::New(SelectDevice));
 classProto->Set("defaultDevice", FunctionTemplate::New(DefaultDevice));
 
diff --git a/entities/JMXScriptEntity.mm b/entities/JMXScriptEntity.mm
index 774d859..ff7fea0 100644
--- a/entities/JMXScriptEntity.mm
+++ b/entities/JMXScriptEntity.mm
@@ -8,7 +8,6 @@
 
 #import "JMXScriptEntity.h"
 #import "JMXScript.h"
-#import "JMXThreadedEntity.h"
 
 using namespace v8;
 
@@ -29,33 +28,16 @@ using namespace v8;
 {
 self = [super init];
 if (self) {
- self.frequency = [NSNumber numberWithDouble:1.0];
 active = NO;
- JMXThreadedEntity *threadedEntity = [JMXThreadedEntity threadedEntity:self];
- if (threadedEntity)
- return threadedEntity;
 }
- return nil;
+ return self;
 }
 
 - (void)dealloc
 {
- [self stop];
 [super dealloc];
 }
 
-- (void)tick:(uint64_t)timeStamp
-{
- if (!self.quit) {
- self.quit = YES; // we want to stop the thread as soon as the script exits
- if (self.code)
- [JMXScript runScript:self.code withEntity:self];
- else
- NSLog(@"JMXScriptEntity::tick(): No script to run");
-
- }
-}
-
 static Persistent<FunctionTemplate> classTemplate;
 
 + (v8::Persistent<v8::FunctionTemplate>)jsClassTemplate
diff --git a/entities/JMXScriptFile.mm b/entities/JMXScriptFile.mm
index 8ddfa0c..f4433a5 100644
--- a/entities/JMXScriptFile.mm
+++ b/entities/JMXScriptFile.mm
@@ -8,6 +8,7 @@
 
 #import "JMXScriptFile.h"
 #import "JMXScript.h"
+#import "JMXThreadedEntity.h"
 
 @implementation JMXScriptFile
 
@@ -24,10 +25,20 @@
 if (self) {
 path = nil;
 self.name = @"JMXScript";
+ self.frequency = [NSNumber numberWithDouble:1.0];
+ JMXThreadedEntity *threadedEntity = [JMXThreadedEntity threadedEntity:self];
+ if (threadedEntity)
+ return threadedEntity;
 }
 return self;
 }
 
+- (void)dealloc
+{
+ [self stop];
+ [super dealloc];
+}
+
 - (void)setPath:(NSString *)newPath
 {
 if (path)
@@ -66,4 +77,17 @@
 - (void)runScript
 {
 }
+
+- (void)tick:(uint64_t)timeStamp
+{
+ if (!self.quit) {
+ self.quit = YES; // we want to stop the thread as soon as the script exits
+ if (self.code)
+ [JMXScript runScript:self.code withEntity:self];
+ else
+ NSLog(@"JMXScriptEntity::tick(): No script to run");
+ 
+ }
+}
+
 @end
diff --git a/entities/JMXVideoCapture.mm b/entities/JMXVideoCapture.mm
index 0dee0ed..1e5233d 100644
--- a/entities/JMXVideoCapture.mm
+++ b/entities/JMXVideoCapture.mm
@@ -66,10 +66,10 @@ static v8::Handle<Value> DefaultDevice(const Arguments& args)
 static v8::Handle<Value> AvailableDevices(const Arguments& args)
 {
 HandleScope handleScope;
- JMXVideoCapture *vc = (JMXVideoCapture *)args.Holder()->GetPointerFromInternalField(0);
+ Class vc = (Class)args.Holder()->GetPointerFromInternalField(1);
 if (vc) {
 NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
- NSArray *availableDevices = [[vc class] availableDevices];
+ NSArray *availableDevices = [vc availableDevices];
 v8::Handle<Array> list = v8::Array::New([availableDevices count]);
 for (int i = 0; i < [availableDevices count]; i++)
 list->Set(Number::New(i), String::New([[availableDevices objectAtIndex:i] UTF8String]));
diff --git a/entities/video/JMXQtMovieEntity.mm b/entities/video/JMXQtMovieEntity.mm
index 4cd87ea..8ab64d3 100644
--- a/entities/video/JMXQtMovieEntity.mm
+++ b/entities/video/JMXQtMovieEntity.mm
@@ -337,7 +337,7 @@ using namespace v8;
 }
 }
 
-static v8::Handle<Value>open(const Arguments& args)
+static v8::Handle<Value>Open(const Arguments& args)
 {
 HandleScope handleScope;
 JMXQtMovieEntity *entity = (JMXQtMovieEntity *)args.Holder()->GetPointerFromInternalField(0);
@@ -347,7 +347,7 @@ static v8::Handle<Value>open(const Arguments& args)
 return v8::Boolean::New(ret);
 }
 
-static v8::Handle<Value>close(const Arguments& args)
+static v8::Handle<Value>Close(const Arguments& args)
 {
 HandleScope handleScope;
 JMXQtMovieEntity *entity = (JMXQtMovieEntity *)args.Holder()->GetPointerFromInternalField(0);
@@ -355,15 +355,32 @@ static v8::Handle<Value>close(const Arguments& args)
 return v8::Undefined();
 }
 
+static v8::Handle<Value>SupportedFileTypes(const Arguments& args)
+{
+ HandleScope handleScope;
+ Class<JMXFileRead> movieFileClass = (Class)args.Holder()->GetPointerFromInternalField(1);
+ if (movieFileClass) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ NSArray *availableDevices = [movieFileClass supportedFileTypes];
+ v8::Handle<Array> list = v8::Array::New([availableDevices count]);
+ for (int i = 0; i < [availableDevices count]; i++)
+ list->Set(Number::New(i), String::New([[availableDevices objectAtIndex:i] UTF8String]));
+ [pool release];
+ handleScope.Close(list);
+ }
+ return handleScope.Close(Undefined());
+}
+
 + (v8::Persistent<v8::FunctionTemplate>)jsClassTemplate
 {
 HandleScope handleScope;
 v8::Persistent<v8::FunctionTemplate> entityTemplate = [super jsClassTemplate];
- entityTemplate->SetClassName(String::New("VideoFile"));
+ entityTemplate->SetClassName(String::New("QtVideoFile"));
 entityTemplate->InstanceTemplate()->SetInternalFieldCount(1);
 v8::Handle<ObjectTemplate> classProto = entityTemplate->PrototypeTemplate();
- classProto->Set("open", FunctionTemplate::New(open));
- classProto->Set("close", FunctionTemplate::New(close));
+ classProto->Set("supportedFileTypes", FunctionTemplate::New(SupportedFileTypes));
+ classProto->Set("open", FunctionTemplate::New(Open));
+ classProto->Set("close", FunctionTemplate::New(Close));
 return entityTemplate;
 }
 
diff --git a/entities/video/JMXQtVideoCaptureEntity.mm b/entities/video/JMXQtVideoCaptureEntity.mm
index 2debca0..7a8835b 100644
--- a/entities/video/JMXQtVideoCaptureEntity.mm
+++ b/entities/video/JMXQtVideoCaptureEntity.mm
@@ -32,8 +32,6 @@
 #define JMX_GRABBER_WIDTH_MAX 640
 #define JMX_GRABBER_HEIGHT_MAX 480
 
-/* Coming from Apple sample code */
-
 /*
 * QTKit Bridge
 */
@@ -62,8 +60,8 @@ JMXV8_EXPORT_ENTITY_CLASS(JMXQtVideoCaptureEntity);
 {
 self = [super init];
 if(self) {
- width = 352;
- height = 288;
+ width = 640;
+ height = 480;
 session = nil;
 input = nil;
 }
@@ -77,6 +75,7 @@ JMXV8_EXPORT_ENTITY_CLASS(JMXQtVideoCaptureEntity);
 [super dealloc];
 }
 
+/* Coming from Apple sample code */
 - (void)startCapture:(JMXQtVideoCaptureEntity *)controller
 {
 NSLog(@"QTCapture opened");
@@ -223,8 +222,6 @@ error:
 [super dealloc];
 }
 
-
-
 - (void)start
 {
 [grabber startCapture:self];
diff --git a/jmx-icon.icns b/jmx-icon.icns
index 180fd94..85cbb94 100644
--- a/jmx-icon.icns
+++ b/jmx-icon.icns
diff --git a/jsapi/AudioCapture.js b/jsapi/AudioCapture.js
index 2b5436b..263ff2d 100644
--- a/jsapi/AudioCapture.js
+++ b/jsapi/AudioCapture.js
@@ -63,7 +63,7 @@ function AudioCapture(device, type)
 AudioCapture.availableDevices = function()
 {
 ret = new Array();
- QtKitDevices = QtAudioCapture.availableDevices();
+ QtKitDevices = QtAudioCapture().availableDevices();
 /* TODO - extra implementations */
 ret = ret.concat(QtKitDevices);
 return ret;
@@ -76,6 +76,8 @@ AudioCapture.availableDevices = function()
 AudioCapture.defaultDevice = function()
 {
 ret = new Array();
- return QtAudioCapture.defaultDevice();
+ ret.concat(QtAudioCapture().availableDevices());
+ // add further backends here
+ return ret;
 }
 
diff --git a/jsapi/core_doc/MovieFile.js b/jsapi/AudioFile.js
index 5c56f1a..63f48d8 100644
--- a/jsapi/core_doc/MovieFile.js
+++ b/jsapi/AudioFile.js
@@ -4,12 +4,13 @@
 */
 
 /**
- * MovieFile
+ * AudioFile
 * @constructor
- * @base VideoEntity
- * @class Wrapper class for JMXQtMovieEntity objects.
+ * @param {String} path The path of the Audio file.
+ * @base Entity
+ * @class Abstract class implementing basic functionalities for entities grabbing video frames from Audio files.
 * Such objects will extract video frames from supported video file types and will provide images on their 'frame' output pin
- * Supported file types can be obtained calling the {@link MovieFile#supportedFileTypes} method
+ * Supported file types can be obtained calling the {@link AudioFile#supportedFileTypes} method
 * <h3>InputPins:</h3>
 * <ul>
 * <li>path {String}</li>
@@ -18,22 +19,31 @@
 * </ul>
 *
 */
-function MovieFile()
+function AudioFile(path, type)
 {
+ if (!type) {
+ // TODO implement type selection
+ return CoreAudioFile();
+ } else {
+ // TODO
+ }
+ 
+ /* Documenation Only */
+ 
 this.path = "";
 this.repeat = false;
 this.paused = false;
-
+ 
 /**
- * Open movie file at specified path
+ * Open Audio file at specified path
 * @param {String} path The path of the video file.
 */
 this.open = function(path) {
 // ...
 }
-
+ 
 /**
- * Close the current movie file (if any)
+ * Close the current Audio file (if any)
 */
 this.close = function() {
 // ...
@@ -60,7 +70,10 @@ function MovieFile()
 /**
 * Returns a list of supported video file types
 */
-MovieFile.supportedFileTypes = function() {
- // ...
+AudioFile.supportedFileTypes = function() {
+ ret = new Array();
+ ret = ret.concat(CoreAudioFile().supporterFileTypes());
+ /* TODO - add further file-reader implementations */
+ return ret;
 }
 
diff --git a/jsapi/AudioOutput.js b/jsapi/AudioOutput.js
index 3c0cc4f..bbb698e 100644
--- a/jsapi/AudioOutput.js
+++ b/jsapi/AudioOutput.js
@@ -6,9 +6,10 @@
 /**
 * AudioOutput
 * @constructor
+ * @param {String} device The device to open.
 * @param {String} type The specific implementation type, 
 * pass a null value to use the default
- * CoreAudio-based implementation
+ * CoreAudio-based implementation.
 * @base Entity
 * @class Send audio samples to an output device
 * <h3>InputPins:</h3>
@@ -21,10 +22,11 @@
 * </ul>
 *
 */
-function AudioOutput(type)
+function AudioOutput(device, type)
 {
 if (!type)
- return CoreAudioOutput(device);
+ // TODO - backend-detection using the provided device
+ return CoreAudioOutput(device); // revert to default backend
 else
 echo("Unsupported device type " + type);
 }
\ No newline at end of file
diff --git a/jsapi/JMX.js b/jsapi/JMX.js
index a66d55a..535e557 100644
--- a/jsapi/JMX.js
+++ b/jsapi/JMX.js
@@ -15,10 +15,8 @@ include("AudioOutput.js");
 //echo("Registered class: AudioOutput");
 include("AudioCapture.js");
 //echo("Registered class: AudioCapture");
+include("VideoCapture.js");
+include("MovieFile.js");
+include("AudioFile.js");
 
-/*
-include("QtMovieFile.js");
-include("QtVideoCapture.js");
-include("CoreAudioFile.js");
-*/
 //echo("Done initializing JMX Core API");
\ No newline at end of file
diff --git a/jsapi/core_doc/MovieFile.js b/jsapi/MovieFile.js
index 5c56f1a..da4e778 100644
--- a/jsapi/core_doc/MovieFile.js
+++ b/jsapi/MovieFile.js
@@ -6,8 +6,9 @@
 /**
 * MovieFile
 * @constructor
+ * @param {String} path The path of the movie file.
 * @base VideoEntity
- * @class Wrapper class for JMXQtMovieEntity objects.
+ * @class Abstract class implementing basic functionalities for entities grabbing video frames from movie files.
 * Such objects will extract video frames from supported video file types and will provide images on their 'frame' output pin
 * Supported file types can be obtained calling the {@link MovieFile#supportedFileTypes} method
 * <h3>InputPins:</h3>
@@ -18,12 +19,12 @@
 * </ul>
 *
 */
-function MovieFile()
+function MovieFile(path, type)
 {
 this.path = "";
 this.repeat = false;
 this.paused = false;
-
+ 
 /**
 * Open movie file at specified path
 * @param {String} path The path of the video file.
@@ -31,7 +32,7 @@ function MovieFile()
 this.open = function(path) {
 // ...
 }
-
+ 
 /**
 * Close the current movie file (if any)
 */
@@ -61,6 +62,9 @@ function MovieFile()
 * Returns a list of supported video file types
 */
 MovieFile.supportedFileTypes = function() {
- // ...
+ ret = new Array();
+ ret = ret.concat(QtMovieFile().supporterFileTypes());
+ /* TODO - add further file-reader implementations */
+ return ret;
 }
 
diff --git a/jsapi/VideoCapture.js b/jsapi/VideoCapture.js
index 39a4fe5..20a72fc 100644
--- a/jsapi/VideoCapture.js
+++ b/jsapi/VideoCapture.js
@@ -63,9 +63,8 @@ function VideoCapture(device, type)
 VideoCapture.availableDevices = function()
 {
 ret = new Array();
- QtKitDevices = QtVideoCapture.availableDevices();
- /* TODO - extra implementations */
- ret = ret.concat(QtKitDevices);
+ ret = ret.concat(QtVideoCapture().availableDevices());
+ /* TODO - add further backends */
 return ret;
 }
 
@@ -75,7 +74,6 @@ VideoCapture.availableDevices = function()
 */
 VideoCapture.defaultDevice = function()
 {
- ret = new Array();
- return QtVideoCapture.defaultDevice();
+ return QtVideoCapture().defaultDevice();
 }
 
diff --git a/jsapi/VideoFilter.js b/jsapi/VideoFilter.js
index bdf8ea2..b408086 100644
--- a/jsapi/VideoFilter.js
+++ b/jsapi/VideoFilter.js
@@ -56,10 +56,8 @@ VideoFilter.availableFilters = function() {
 // list filters from all implemented backends
 // Core Image
 ret = new Array();
- ciFilter = new CoreImageFilter();
- coreImageFilters = ciFilter.availableFilters();
 /* TODO - extra backends */
- ret = ret.concat(coreImageFilters);
+ ret = ret.concat(CoreImageFilter().availableFilters());
 return ret;
 }
 
diff --git a/jsapi/core_doc/AudioFile.js b/jsapi/core_doc/CoreAudioAudioFile.js
index d9440c0..ded681a 100644
--- a/jsapi/core_doc/AudioFile.js
+++ b/jsapi/core_doc/CoreAudioAudioFile.js
@@ -4,9 +4,9 @@
 */
 
 /**
- * AudioFile
+ * CoreAudioFile
 * @constructor
- * @base Entity
+ * @base AudioFile
 * @class Read samples from audio files
 * Supported file types can be obtained calling the {@link AudioFile#supportedFileTypes} method
 * <h3>InputPins:</h3>
@@ -21,7 +21,7 @@
 * </ul>
 *
 */
-function AudioFile()
+function CoreAudioFile()
 {
 this.path = "";
 this.repeat = false;
@@ -60,7 +60,7 @@ function AudioFile()
 /**
 * Returns a list of supported audio file types
 */
-AudioFile.supportedFileTypes = function() {
+CoreAudioFile.supportedFileTypes = function() {
 // ...
 }
 
diff --git a/jsapi/core_doc/MovieFile.js b/jsapi/core_doc/QtMovieFile.js
index 5c56f1a..aea01be 100644
--- a/jsapi/core_doc/MovieFile.js
+++ b/jsapi/core_doc/QtMovieFile.js
@@ -4,9 +4,9 @@
 */
 
 /**
- * MovieFile
+ * QtMovieFile
 * @constructor
- * @base VideoEntity
+ * @base MovieFile
 * @class Wrapper class for JMXQtMovieEntity objects.
 * Such objects will extract video frames from supported video file types and will provide images on their 'frame' output pin
 * Supported file types can be obtained calling the {@link MovieFile#supportedFileTypes} method
@@ -18,7 +18,7 @@
 * </ul>
 *
 */
-function MovieFile()
+function QtMovieFile()
 {
 this.path = "";
 this.repeat = false;
@@ -60,7 +60,7 @@ function MovieFile()
 /**
 * Returns a list of supported video file types
 */
-MovieFile.supportedFileTypes = function() {
+QtMovieFile.supportedFileTypes = function() {
 // ...
 }