Merge branch 'feature/37178_プロジェクトとソリューションファイルの英語化' into develop

[dtxmania/dtxmania.git] / FDK / コード / 03.サウンド / Cogg.cs

diff --git a/FDK/コード/03.サウンド/Cogg.cs b/FDK/コード/03.サウンド/Cogg.cs
new file mode 100644 (file)
index 0000000..c99b9eb
--- /dev/null
+++ b/FDK/コード/03.サウンド/Cogg.cs
@@ -0,0 +1,62 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Runtime.InteropServices;
+using System.IO;
+using System.Diagnostics;
+using System.Threading;
+
+
+namespace FDK
+{
+       public unsafe class Cogg : SoundDecoder
+       {
+               static byte[] FOURCC = Encoding.ASCII.GetBytes( "SggO" );       // OggS の little endian
+
+
+               #region [ SoundDecoder.dll インポート（ogg 関連）]
+               //-----------------
+               [DllImport( "SoundDecoder.dll" )]
+               private static extern void oggClose( int nHandle );
+               [DllImport( "SoundDecoder.dll" )]
+               private static extern int oggDecode( int nHandle, IntPtr pDest, uint szDestSize, int bLoop );
+               [DllImport( "SoundDecoder.dll" )]
+               private static extern int oggGetFormat( int nHandle, ref CWin32.WAVEFORMATEX wfx );
+               [DllImport( "SoundDecoder.dll" )]
+               private static extern uint oggGetTotalPCMSize( int nHandle );
+               [DllImport( "SoundDecoder.dll" )]
+               private static extern int oggOpen( string fileName );
+               [DllImport( "SoundDecoder.dll" )]
+               private static extern int oggSeek( int nHandle, uint dwPosition );
+               //-----------------
+               #endregion
+
+
+               public override int Open( string filename )
+               {
+                       return oggOpen( filename );
+               }
+               public override int GetFormat( int nHandle, ref CWin32.WAVEFORMATEX wfx )
+               {
+                       return oggGetFormat( nHandle, ref wfx );
+               }
+               public override uint GetTotalPCMSize( int nHandle )
+               {
+                       return oggGetTotalPCMSize( nHandle );
+               }
+               public override int Seek( int nHandle, uint dwPosition )
+               {
+                       return oggSeek( nHandle, dwPosition );
+               }
+               public override int Decode( int nHandle, IntPtr pDest, uint szDestSize, int bLoop )
+               {
+                       return oggDecode( nHandle, pDest, szDestSize, bLoop );
+               }
+
+               public override void Close( int nHandle )
+               {
+                       oggClose( nHandle );
+               }
+
+       }
+}