Implement Audio Overhaul from FunkinCrew's Lime

- Implement leftPeak, rightPeak in SoundChannel for lime_funkin
- Support for more audio formats (mp3, flac, opus)

# Conflicts:
#	src/openfl/utils/Assets.hx

Author: Raltyro

src/openfl/media/Sound.hx

@@ -864,29 +864,29 @@ class Sound extends EventDispatcher
 		return new ID3Info();
 	}
 
-	@:noCompletion private function get_length():Int
+	@:noCompletion private function get_length():Float
 	{
 		#if lime
 		if (__buffer != null)
 		{
 			#if (js && html5 && howlerjs)
-			return Std.int(__buffer.src.duration() * 1000);
+			return __buffer.src.duration() * 1000;
 			#else
-			if (__buffer.data != null)
-			{
-				var samples = (__buffer.data.length * 8.0) / (__buffer.channels * __buffer.bitsPerSample);
-				return Std.int(samples / __buffer.sampleRate * 1000);
-			}
-			else if (__buffer.__srcVorbisFile != null)
+			#if lime_funkin
+			if (__buffer.decoder != null)
 			{
-				var samples = Int64.toInt(__buffer.__srcVorbisFile.pcmTotal());
-				return Std.int(samples / __buffer.sampleRate * 1000);
+				var samples:Int64 = __buffer.decoder.total();
+				return (samples.high * 4294967296.0 + (samples.low >>> 0)) / __buffer.decoder.sampleRate * 1000;
 			}
-			else
+			#else
+			if (__buffer.__srcVorbisFile != null)
 			{
-				return 0;
+				var samples:Int64 = __buffer.__srcVorbisFile.pcmTotal();
+				return (samples.high * 4294967296.0 + (samples.low >>> 0)) / __buffer.sampleRate * 1000;
 			}
 			#end
+			else if (__buffer.data != null) return __buffer.data.length / (__buffer.bitsPerSample >> 3) / __buffer.channels / __buffer.sampleRate * 1000;
+			#end
 		}
 		#end
 

src/openfl/media/SoundChannel.hx

@@ -48,7 +48,7 @@ import lime.utils.Int16Array;
 		The current amplitude (volume) of the left channel, from 0 (silent) to 1
 		(full amplitude).
 	**/
-	public var leftPeak(default, null):Float;
+	public var leftPeak(get, never):Float;
 
 	/**
 		When the sound is playing, the `position` property indicates in
@@ -69,7 +69,7 @@ import lime.utils.Int16Array;
 		The current amplitude (volume) of the right channel, from 0 (silent) to 1
 		(full amplitude).
 	**/
-	public var rightPeak(default, null):Float;
+	public var rightPeak(get, never):Float;
 
 	/**
 		The SoundTransform object assigned to the sound channel. A SoundTransform
@@ -81,6 +81,11 @@ import lime.utils.Int16Array;
 	@:noCompletion private var __sound:Sound;
 	@:noCompletion private var __isValid:Bool;
 	@:noCompletion private var __soundTransform:SoundTransform;
+	#if lime_funkin
+	@:noCompletion private var __lastPeakPosition:Float;
+	@:noCompletion private var __leftPeak:Float;
+	@:noCompletion private var __rightPeak:Float;
+	#end
 	#if lime
 	@:noCompletion private var __audioSource:AudioSource;
 	#end
@@ -122,9 +127,7 @@ import lime.utils.Int16Array;
 		super(this);
 
 		__sound = sound;
-
-		leftPeak = 1;
-		rightPeak = 1;
+		__lastPeakPosition = -100;
 
 		if (soundTransform != null)
 		{
@@ -322,7 +325,32 @@ import lime.utils.Int16Array;
 		#end
 	}
 
+	#if lime_funkin
+	@:noCompletion private function __updatePeaks():Void
+	{
+		var position = __audioSource.currentTime;
+		if (Math.abs(__lastPeakPosition - position) < 8) return;
+		__lastPeakPosition = position;
+
+		var peaks = __audioSource.peaks;
+		__leftPeak = peaks[0];
+		__rightPeak = peaks[1];
+	}
+	#end
+
 	// Get & Set Methods
+	@:noCompletion private function get_leftPeak():Float
+	{
+		if (!__isValid) return 0;
+
+		#if lime_funkin
+		__updatePeaks();
+		return __leftPeak;
+		#else
+		return 0;
+		#end
+	}
+
 	@:noCompletion private function get_position():Float
 	{
 		if (!__isValid) return 0;
@@ -344,6 +372,18 @@ import lime.utils.Int16Array;
 		return value;
 	}
 
+	@:noCompletion private function get_rightPeak():Float
+	{
+		if (!__isValid) return 0;
+
+		#if lime_funkin
+		__updatePeaks();
+		return __rightPeak;
+		#else
+		return 0;
+		#end
+	}
+
 	@:noCompletion private function get_soundTransform():SoundTransform
 	{
 		return __soundTransform.clone();
@@ -365,7 +405,12 @@ import lime.utils.Int16Array;
 
 			if (__isValid)
 			{
-				#if lime
+				#if lime_funkin
+				__audioSource.gain = volume;
+				__audioSource.pan = pan;
+
+				return value;
+				#else
 				__audioSource.gain = volume;
 
 				var position = __audioSource.position;

src/openfl/utils/Assets.hx

@@ -321,23 +321,21 @@ class Assets
 
 	public static function getMusic(id:String, useCache:Bool = true):Sound
 	{
-		#if (lime_vorbis && lime > "7.9.0")
+		#if (lime_funkin && lime_native)
+		var path = getPath(id);
+		var buffer = AudioBuffer.fromFile(path, true);
+		if (buffer != null) return Sound.fromAudioBuffer(buffer);
+		#elseif (lime_vorbis && lime > "7.9.0")
 		var path = getPath(id);
 		var vorbisFile = VorbisFile.fromFile(path);
 		if (vorbisFile != null)
 		{
 			var buffer = AudioBuffer.fromVorbisFile(vorbisFile);
 			return Sound.fromAudioBuffer(buffer);
 		}
-		else
-		{
-			// TODO: Streaming sound
-			return getSound(id, useCache);
-		}
-		#else
-		// TODO: Streaming sound
-		return getSound(id, useCache);
 		#end
+
+		return getSound(id, useCache);
 	}
 
 	/**
@@ -767,6 +765,17 @@ class Assets
 		#if !html5
 		var promise = new Promise<Sound>();
 
+		if (useCache && cache.enabled && cache.hasSound(id))
+		{
+			var sound = cache.getSound(id);
+
+			if (isValidSound(sound))
+			{
+				promise.complete(sound);
+				return promise.future;
+			}
+		}
+
 		LimeAssets.loadAudioBuffer(id, useCache)
 			.onComplete(function(buffer)
 			{
@@ -868,6 +877,17 @@ class Assets
 		#if lime
 		var promise = new Promise<Sound>();
 
+		if (useCache && cache.enabled && cache.hasSound(id))
+		{
+			var sound = cache.getSound(id);
+
+			if (isValidSound(sound))
+			{
+				promise.complete(sound);
+				return promise.future;
+			}
+		}
+
 		LimeAssets.loadAudioBuffer(id, useCache)
 			.onComplete(function(buffer)
 			{