63 lines
1.7 KiB
C#
63 lines
1.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Runtime.InteropServices;
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using System.IO;
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using System.Diagnostics;
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using System.Threading;
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namespace FDK
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{
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public unsafe class Cmp3 : SoundDecoder
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{
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// static byte[] FOURCC = Encoding.ASCII.GetBytes( "SggO" ); // OggS の little endian
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#region [ SoundDecoder.dll インポート（mpr 関連）]
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//-----------------
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[DllImport( "SoundDecoder.dll" )]
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private static extern void mp3Close( int nHandle );
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[DllImport( "SoundDecoder.dll" )]
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private static extern int mp3Decode( int nHandle, IntPtr pDest, uint szDestSize, int bLoop );
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[DllImport( "SoundDecoder.dll" )]
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private static extern int mp3GetFormat( int nHandle, ref CWin32.WAVEFORMATEX wfx );
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[DllImport( "SoundDecoder.dll" )]
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private static extern uint mp3GetTotalPCMSize( int nHandle );
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[DllImport( "SoundDecoder.dll" )]
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private static extern int mp3Open( string fileName );
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[DllImport( "SoundDecoder.dll" )]
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private static extern int mp3Seek( int nHandle, uint dwPosition );
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//-----------------
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#endregion
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public override int Open( string filename )
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{
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return mp3Open( filename );
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}
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public override int GetFormat( int nHandle, ref CWin32.WAVEFORMATEX wfx )
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{
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return mp3GetFormat( nHandle, ref wfx );
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}
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public override uint GetTotalPCMSize( int nHandle )
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{
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return mp3GetTotalPCMSize( nHandle );
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}
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public override int Seek( int nHandle, uint dwPosition )
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{
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return mp3Seek( nHandle, dwPosition );
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}
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public override int Decode( int nHandle, IntPtr pDest, uint szDestSize, int bLoop )
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{
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return mp3Decode( nHandle, pDest, szDestSize, bLoop );
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}
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public override void Close( int nHandle )
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{
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mp3Close( nHandle );
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}
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}
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}
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