add crap broken sound support for vqa

OpenRA.FileFormats/FileFormats/AudLoader.cs

@@ -76,6 +76,33 @@ namespace OpenRA.FileFormats
 			return (short)current;
 		}
 
+		public static byte[] LoadSound(byte[] raw)
+		{
+			var br = new BinaryReader(new MemoryStream(raw));
+			var dataSize = raw.Length;
+			var outputSize = raw.Length * 4;
+
+			var output = new byte[outputSize];
+			var offset = 0;
+			var index = 0;
+			var currentSample = 0;
+
+			while (dataSize-- > 0)
+			{
+				var b = br.ReadByte();
+
+				var t = DecodeSample(b, ref index, ref currentSample);
+				output[offset++] = (byte)t;
+				output[offset++] = (byte)(t >> 8);
+
+				t = DecodeSample((byte)(b >> 4), ref index, ref currentSample);
+				output[offset++] = (byte)t;
+				output[offset++] = (byte)(t >> 8);
+			}
+
+			return output;
+		}
+
 		public static byte[] LoadSound(Stream s)
 		{
 			var br = new BinaryReader(s);

OpenRA.FileFormats/Graphics/VqaReader.cs

@@ -45,7 +45,10 @@ namespace OpenRA.FileFormats
 		byte[] origData;
 		
 		// Final frame output
-		int[,] frameData;
+		int[,] frameData;
+		byte[] audioData;		// audio for this frame: 22050Hz 16bit mono pcm, uncompressed.
+
+		public byte[] AudioData { get { return audioData; } }
 		
 		public VqaReader( Stream stream )
 		{
@@ -124,11 +127,14 @@ namespace OpenRA.FileFormats
 				var length = Swap(reader.ReadUInt32());
 
 				switch(type)
-				{
-					case "SND2":
-						// Don't parse sound (yet); skip data
-						reader.ReadBytes((int)length);
-					break;
+				{
+					case "SND2":
+						// Don't parse sound (yet); skip data
+						{
+							var rawAudio = reader.ReadBytes((int)length);
+							audioData = AudLoader.LoadSound(rawAudio);
+						}
+						break;
 					case "VQFR":
 						DecodeVQFR(reader);
 					break;