reorganized project directory structure.

ArcFormats/ScenePlayer/AudioPMW.cs

@@ -0,0 +1,74 @@
+//! \file       AudioPMW.cs
+//! \date       Thu Apr 30 21:22:48 2015
+//! \brief      ScenePlayer compressed WAV file.
+//
+// Copyright (C) 2015 by morkt
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//
+
+using System.ComponentModel.Composition;
+using System.IO;
+using GameRes.Compression;
+
+namespace GameRes.Formats.ScenePlayer
+{
+    [Export(typeof(AudioFormat))]
+    public class PmwAudio : WaveAudio
+    {
+        public override string         Tag { get { return "PMW"; } }
+        public override string Description { get { return "ScenePlayer compressed WAV audio"; } }
+        public override uint     Signature { get { return 0; } }
+        
+        public override SoundInput TryOpen (Stream file)
+        {
+            int first = file.ReadByte();
+            if ((first ^ 0x21) != 0x78) // doesn't look like zlib stream
+                return null;
+            file.Position = 0;
+            using (var input = new XoredStream (file, 0x21, true))
+            using (var zstream = new ZLibStream (input, CompressionMode.Decompress))
+            {
+                SoundInput sound = null;
+                var wav = new MemoryStream();
+                try
+                {
+                    zstream.CopyTo (wav);
+                    wav.Position = 0;
+                    sound = new WaveInput (wav);
+                }
+                finally
+                {
+                    if (null == sound)
+                        wav.Dispose();
+                    else
+                        file.Dispose();
+                }
+                return sound;
+            }
+        }
+
+        public override void Write (SoundInput source, Stream output)
+        {
+            using (var wav = new XoredStream (output, 0x21, true))
+            using (var zstream = new ZLibStream (wav, CompressionMode.Compress, CompressionLevel.Level9))
+                base.Write (source, zstream);
+        }
+    }
+}