Fix base audio node class not setting effectsHead and headNode after creation (fixes effect chain addition to stream output).

Change audio metering yet again.........
Uninit/reInit effects and down mixer nodes when input/output formats are set. Without doing this connecting non-stereo inputs fails. It's possible to be smarter about this by comparing the channel counts, but that's probably not worth it?

CocoaSplit/CAMultiAudio/CAMultiAudioDownmixer.m

@@ -72,7 +72,6 @@
     OSStatus err;
     
     err = AudioUnitGetParameter(self.audioUnit, kStereoMixerParam_PostAveragePower, kAudioUnitScope_Output, bus, &result);
-    //err = AudioUnitGetParameter(self.audioUnit, kStereoMixerParam_PostAveragePower, kAudioUnitScope_Output, 0, &result);
     
     
     if (err)
@@ -88,9 +87,7 @@
     Float32 result = 0;
     OSStatus err;
     
-    err = AudioUnitGetParameter(self.audioUnit, kStereoMixerParam_PostAveragePower, kAudioUnitScope_Input, bus, &result);
-    //err = AudioUnitGetParameter(self.audioUnit, kStereoMixerParam_PostAveragePower, kAudioUnitScope_Output, 0, &result);
-    
+    err = AudioUnitGetParameter(self.audioUnit, kStereoMixerParam_PostAveragePower, kAudioUnitScope_Input, bus, &result);    
     
     if (err)
     {
@@ -192,6 +189,20 @@
 
 
 
+-(bool)setInputStreamFormat:(AVAudioFormat *)format bus:(UInt32)bus
+{
+    bool retVal;
+    NSDictionary *saveData = [self saveDataForPrivateRestore];
+    AudioUnitUninitialize(self.audioUnit);
+    retVal = [super setInputStreamFormat:format bus:bus];
+    [self willInitializeNode];
+    AudioUnitInitialize(self.audioUnit);
+    [self didInitializeNode];
+    [self restoreDataFromPrivateRestore:saveData];
+    return retVal;
+}
+
+
 -(UInt32)getNextInputElement
 {
     UInt32 elementCount = 0;

CocoaSplit/CAMultiAudio/CAMultiAudioEffect.m

@@ -104,6 +104,32 @@
 }
 
 
+-(bool)setInputStreamFormat:(AVAudioFormat *)format bus:(UInt32)bus
+{
+    bool retval;
+    NSMutableDictionary *saveDict = [NSMutableDictionary dictionary];
+    [self saveDataToDict:saveDict];
+    AudioUnitUninitialize(self.audioUnit);
+    [self willInitializeNode];
+    retval = [super setInputStreamFormat:format bus:bus];
+    AudioUnitInitialize(self.audioUnit);
+    [self restoreDataFromDict:saveDict];
+    return retval;
+}
+
+-(bool)setOutputStreamFormat:(AVAudioFormat *)format bus:(UInt32)bus
+{
+    bool retval;
+    NSMutableDictionary *saveDict = [NSMutableDictionary dictionary];
+    [self saveDataToDict:saveDict];
+    AudioUnitUninitialize(self.audioUnit);
+    [self willInitializeNode];
+    retval = [super setOutputStreamFormat:format bus:bus];
+    AudioUnitInitialize(self.audioUnit);
+    [self restoreDataFromDict:saveDict];
+
+    return retval;
+}
 
 -(void)saveDataToDict:(NSMutableDictionary *)saveDict
 {
@@ -114,7 +140,11 @@
     [saveDict setObject:subType forKey:@"subType"];
     [saveDict setObject:manufacturer forKey:@"manufacturer"];
     [saveDict setObject:auType forKey:@"componentType"];
-    [saveDict setObject:self.name forKey:@"name"];
+    if (self.name)
+    {
+        [saveDict setObject:self.name forKey:@"name"];
+    }
+    
     [saveDict setObject:[NSNumber numberWithBool:self.bypass] forKey:@"bypass"];
     
     CFPropertyListRef saveData;

CocoaSplit/CAMultiAudio/CAMultiAudioEngine.m

@@ -384,7 +384,7 @@ OSStatus encoderRenderCallback( void *inRefCon, AudioUnitRenderActionFlags *ioAc
         {
             for (NSUInteger i = 0; i < self.previewMixer.channelCount - previewArray.count; i++)
             {
-                [previewArray addObject:@(-240.0f)];
+                [previewArray addObject:@(-60.0f)];
             }
         } else {
             
@@ -403,7 +403,7 @@ OSStatus encoderRenderCallback( void *inRefCon, AudioUnitRenderActionFlags *ioAc
         {
             for (NSUInteger i = 0; i < self.encodeMixer.channelCount - streamArray.count; i++)
             {
-                [streamArray addObject:@(-240.0f)];
+                [streamArray addObject:@(-60.0f)];
             }
         } else {
             

CocoaSplit/CAMultiAudio/CAMultiAudioGraph.m

@@ -214,6 +214,8 @@
     if (err)
     {
         NSLog(@"AudioUnitSetProperty(MakeConnection) failed for %@ -> %@, err: %d", node, toNode, err);
+        NSLog(@"%@ OUTPUT %@", node, [node outputFormatForBus:outBus]);
+        NSLog(@"%@ INPUT %@", toNode, [toNode inputFormatForBus:inBus]);
         return NO;
     }
 

CocoaSplit/CAMultiAudio/CAMultiAudioInput.m

@@ -50,7 +50,7 @@
             
             for (NSUInteger i = 0; i < self.channelCount - inputArray.count; i++)
             {
-                [inputArray addObject:@(-240.0f)];
+                [inputArray addObject:@(-60.0f)];
             }
         } else {
             
@@ -68,7 +68,7 @@
         {
             for (NSUInteger i = 0; i < self.downMixer.outputChannelCount - outputArray.count; i++)
             {
-                [outputArray addObject:@(-240.0f)];
+                [outputArray addObject:@(-60.0f)];
             }
         } else {
             

CocoaSplit/CAMultiAudio/CAMultiAudioNode.m

@@ -263,6 +263,8 @@ UInt32 inNumberFrames,
             dispatch_async(dispatch_get_main_queue(), completionHandler);
         }
     }
+    self.effectsHead = self;
+    self.headNode = self;
     return YES;
 }
 

CocoaSplit/Interface/Audio/CSAudioLevelView.m

@@ -15,7 +15,7 @@
 
 -(float)convertDbToLinear:(float)dbVal
 {
-    float minDB = -160.0f;
+    float minDB = -60.0f;
     float level;
     if (dbVal < minDB)
     {
@@ -23,11 +23,10 @@
     } else if (dbVal >= 0.0f) {
         level = 1.0f;
     } else {
-        float minAmp = powf(10.0f, 0.05f * minDB);
-        float invAmpRange = 1.0f/(1.0f - minAmp);
-        float amp = powf(10.0f, 0.05f * dbVal);
-        float adjAmp = (amp - minAmp) * invAmpRange;
-        level = powf(adjAmp, 1.0f/2.0f);
+        //Just try a percentage?
+        
+        float rawpercent = dbVal/60.0f;
+        level = 1.0f - fabs(rawpercent);
     }
 
     return level;
@@ -60,14 +59,14 @@
     
     if (!level1)
     {
-        level1 = @(-240.0f);
+        level1 = @(-60.0f);
         level2 = level1;
     }
     
     float useLevel = [self convertDbToLinear:level1.floatValue];
     float useLevel2 = [self convertDbToLinear:level2.floatValue];
 
-    leftgrad = [[NSGradient alloc] initWithColorsAndLocations:[NSColor greenColor], 0.0f, [NSColor yellowColor], 0.5f, [NSColor redColor], 1.0f, nil];
+    leftgrad = [[NSGradient alloc] initWithColorsAndLocations:[NSColor greenColor], 0.0f, [NSColor yellowColor], 0.667f, [NSColor redColor], 1.0f, nil];
     //backgroundGrad = [[NSGradient alloc] initWithColorsAndLocations:[NSColor colorWithRed:0.0f green:0.2f blue:0.0 alpha:1.0], 0.0f, [NSColor colorWithRed:0.2f green:0.2f blue:0.0f alpha:1.0f], 0.5f, [NSColor colorWithRed:0.2f green:0.0f blue:0.0f alpha:1.0f], 1.0f, nil];
     [self.backgroundColor setFill];
     NSRectFill(dirtyRect);