www.pudn.com > gspmidi101src.zip > mapplugin.h

/* 
 *  GSPlayer - The audio player for WindowsCE 
 *  Copyright (C) 2003-2005  Y.Nagamidori 
 * 
 *  This program is free software; you can redistribute it and/or modify 
 *  it under the terms of the GNU General Public License as published by 
 *  the Free Software Foundation; either version 2 of the License, or 
 *  (at your option) any later version. 
 * 
 *  This program is distributed in the hope that it will be useful, 
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of 
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
 *  GNU General Public License for more details. 
 * 
 *  You should have received a copy of the GNU General Public License 
 *  along with this program; if not, write to the Free Software 
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA 
 */ 
 
// Simply Decoder Plug-in 
#ifndef __MAPPLUGIN_H__ 
#define __MAPPLUGIN_H__ 
 
typedef struct _MAP_PLUGIN_EQ { 
	BOOL bEnable;	 
	int nPreamp;	// 0 - 64 (center: 31) 
	int nEq[10];	// 0 - 64 (center: 31) 
} MAP_PLUGIN_EQ; 
 
typedef struct _MAP_PLUGIN_FILE_INFO { 
	int		nChannels; 
	int		nSampleRate; 
	int		nBitsPerSample; 
	int		nAvgBitrate;	// kbps 
	int		nDuration;		// ms 
} MAP_PLUGIN_FILE_INFO; 
 
typedef struct _MAP_PLUGIN_STREMING_INFO 
{ 
	int		nChannels; 
	int		nSampleRate; 
	int		nBitsPerSample; 
	int		nAvgBitrate;	// kbps 
} MAP_PLUGIN_STREMING_INFO; 
 
#define MAX_PLUGIN_TAG_STR		255 
typedef struct _MAP_PLUGIN_FILETAG 
{ 
	TCHAR szTrack[MAX_PLUGIN_TAG_STR]; 
	TCHAR szArtist[MAX_PLUGIN_TAG_STR]; 
	TCHAR szAlbum[MAX_PLUGIN_TAG_STR]; 
	TCHAR szComment[MAX_PLUGIN_TAG_STR]; 
	TCHAR szGenre[MAX_PLUGIN_TAG_STR]; 
	int nYear; 
	int nTrackNum; 
} MAP_PLUGIN_FILETAG; 
 
#define PLUGIN_RET_ERROR	-1 
#define PLUGIN_RET_SUCCESS	0 
#define PLUGIN_RET_EOF		1 
#define PLUGIN_DEC_VER		0x00000101 
 
#define PLUGIN_FUNC_DECFILE				0x00000001 
#define PLUGIN_FUNC_DECSTREAMING		0x00000002 
#define PLUGIN_FUNC_EQ					0x00000004 
#define PLUGIN_FUNC_SEEKFILE			0x00000008 
#define PLUGIN_FUNC_FILETAG				0x00000010 
 
typedef struct _MAP_DEC_PLUGIN { 
	DWORD	dwVersion;	// PLUGIN_DEC_VER 
	DWORD	dwChar;		// sizeof(TCHAR) 
	DWORD	dwUser; // for Plug-in author 
	void (WINAPI *Init)(); 
	void (WINAPI *Quit)(); 
	DWORD (WINAPI *GetFunc)(); 
	BOOL (WINAPI *GetPluginName)(LPTSTR pszName); // MAX_PATH 
	BOOL (WINAPI *SetEqualizer)(MAP_PLUGIN_EQ* pEQ); 
	void (WINAPI *ShowConfigDlg)(HWND hwndParent); 
 
	// for file 
	BOOL (WINAPI *GetFileExtCount)();		 
	BOOL (WINAPI *GetFileExt)(int nIndex, LPTSTR pszExt, LPTSTR pszExtDesc); // MAX_PATH 
	BOOL (WINAPI *IsValidFile)(LPCTSTR pszFile); 
	BOOL (WINAPI *OpenFile)(LPCTSTR pszFile, MAP_PLUGIN_FILE_INFO* pInfo); 
	long (WINAPI *SeekFile)(long lTime); // ms 
	BOOL (WINAPI *StartDecodeFile)(); 
	int  (WINAPI *DecodeFile)(WAVEHDR* pHdr); 
	void (WINAPI *StopDecodeFile)(); 
	void (WINAPI *CloseFile)(); 
	BOOL (WINAPI *GetTag)(MAP_PLUGIN_FILETAG* pTag); 
	BOOL (WINAPI *GetFileTag)(LPCTSTR pszFile, MAP_PLUGIN_FILETAG* pTag); 
 
	// for streaming 
	BOOL (WINAPI *OpenStreaming)(LPBYTE pbBuf, DWORD cbBuf, MAP_PLUGIN_STREMING_INFO* pInfo); 
	int (WINAPI *DecodeStreaming)(LPBYTE pbInBuf, DWORD cbInBuf, DWORD* pcbInUsed, WAVEHDR* pHdr); 
	void (WINAPI *CloseStreaming)(); 
 
} MAP_DEC_PLUGIN; 
 
 
#ifdef __cplusplus 
extern "C" { 
#endif  
 
__declspec(dllexport) MAP_DEC_PLUGIN* WINAPI mapGetDecoder(); 
 
#ifdef __cplusplus 
}; 
#endif  
 
#endif // __MAPPLUGIN_H__