DSSTREAM.H

/*========================================================================== 
 * 
 *  Copyright (C) 1995-1997 Microsoft Corporation. All Rights Reserved. 
 * 
 *  File:DSStream.h 
 *  Content:DirectSound Stream Sample Application Header 
 * 
 ***************************************************************************/ 
#ifndef __DSSTREAM_INCLUDED__ 
#define __DSSTREAM_INCLUDED__ 
 
#include <dsound.h> 
#include "resource.h" 
#include "debug.h" 
 
 
#define NUM_PLAY_NOTIFICATIONS4// number of notifications *not* including stop. 
 
#define DSSTREAM_STOPF_NOREOPEN0x0001 
#define DSSTREAM_STOPF_NOEXIT0x0002// Prevent the stop code from calling exit 
 
#define ERR_WAVE_OPEN_FAILED-100 
#define ERR_WAVE_INVALID_FORMAT-101 
#define ERR_CREATEDSB_FAILED-102 
#define ERR_WAVE_CORRUPTED_FILE-103 
 
 
#define BORDER_SPACE_CX10 
#define BORDER_SPACE_CY10 
#define CONTROL_SPACE_CX4 
#define CONTROL_SPACE_CY4 
#define TEXT_SPACE_CY0 
#define TEXT_SPACE_CX2 
 
#define BUTTON_CX70 
#define BUTTON_CY32 
#define CHECK_CX70 
#define CHECK_CY22 
#define BUTTON_SPACE_CY6 
 
#define PAN_TEXT_CX             140 
#define VOL_TEXT_CX             140 
#define FREQ_TEXT_CX            140 
#define PROG_TEXT_CX            140 
 
#define PAN_TB_CX200 
#define PAN_TB_CY30 
#define VOL_TB_CX200 
#define VOL_TB_CY30 
#define FREQ_TB_CX200 
#define FREQ_TB_CY30 
#define PROG_TB_CX200 
#define PROG_TB_CY30 
 
// The values for PAN may change in range... 
 
//#define PAN_TB_MIN              0 
//#define PAN_TB_MAX              2000 
//#define PAN_TB_CENTER           1000 
//#define PAN_MULTIPLIER          1 
#define PAN_MIN                 0 
#define PAN_MAX                 800 
#define PAN_CENTER              400 
#define PAN_SHIFT               (-400) 
#define PAN_PAGESIZE            10 
#define PAN_DIV                 10 
#define PAN_MULT                10 
 
//#define PAN_DSB_MIN           (-400) 
//#define PAN_DSB_MAX           400 
//#define PAN_DSB_CENTER0 
 
//#define VOL_TB_MIN              0 
//#define VOL_TB_MAX              1000 
//#define VOL_MULTIPLIER          1 
#define VOL_SHIFT               (-400) 
#define VOL_MIN0 
#define VOL_MAX                 400 
#define VOL_PAGESIZE            10 
#define VOL_DIV                 10 
#define VOL_MULT                10 
#define FREQ_MIN441 
#define FREQ_MAX4410 
#define FREQ_PAGESIZE100 
#define FREQ_MULTIPLIER10 
#define PROG_MIN0 
#define PROG_MAX10000 
#define PROG_MULTIPLIER         100 
 
 
/* WAVE I/O subsystem defines */ 
 
#define WAVEVERSION 1 
 
#ifndef ER_MEM 
#define ER_MEM 0xe000 
#endif 
 
#ifndef ER_CANNOTOPEN 
#define ER_CANNOTOPEN 0xe100 
#endif 
 
#ifndef ER_NOTWAVEFILE 
#define ER_NOTWAVEFILE 0xe101 
#endif 
 
#ifndef ER_CANNOTREAD 
#define ER_CANNOTREAD 0xe102 
#endif 
 
#ifndef ER_CORRUPTWAVEFILE 
#define ER_CORRUPTWAVEFILE0xe103 
#endif 
 
#ifndef ER_CANNOTWRITE 
#define ER_CANNOTWRITE0xe104 
#endif 
 
/* Streaming communication defines and structures */ 
 
#define WM_DSSTREAM_DONEWM_USER + 0x100/* Make our own app messages */ 
#define WM_DSSTREAM_DEBUGWM_USER + 0x101 
#define WM_DSSTREAM_PROGRESSWM_USER + 0x102 
 
#define DEBUGF_PLAYPOSITION0x0300 
#define DEBUGF_WRITEPOSITION0x0301 
#define DEBUGF_NEXTWRITE0x0302 
#define DEBUGF_SKIP0x0303 
 
/* 
 * This structure keeps all the data that the TimeFunc callback uses in one 
 * place.  In this implementation, that means the global data segement.  This 
 * is setup so that if you wanted to put your callback in a DLL, all you'd need 
 * to do is pass the address of this structure as a parameter. 
 */ 
 
typedef struct waveinfoca_tag 
{ 
    WAVEFORMATEX         *pwfx;    /* Wave Format data structure */ 
    HMMIO                hmmio;    /* MM I/O handle for the WAVE */ 
    MMCKINFO             mmck;    /* Multimedia RIFF chunk */ 
    MMCKINFO             mmckInRIFF;    /* Use in opening a WAVE file */ 
    LPDIRECTSOUNDBUFFER  lpDSBStreamBuffer; /* Points to DirectSoundBuffer */ 
    DWORD                dwBufferSize;    /* Size of the entire buffer */ 
DWORD dwNotifySize;// size of each notification period. 
    DWORD                dwNextWriteOffset; /* Offset to next buffer segment */ 
    DWORD                dwProgress;    /* Used with above to show prog. */ 
DWORD dwLastPos;// the last play position returned by GetCurrentPos(). 
    //DWORD                dwBytesRemaining;  /* Bytes 'til timer shutdown */ 
    BOOL                 bDonePlaying;    /* Signals early abort to timer */ 
    BOOL                 bLoopFile;    /* Should we loop playback? */ 
    BOOL                 bFoundEnd;    /* Timer found file end */ 
} WAVEINFOCA, *LPWAVEINFOCA; 
 
// Notify events. We deal with 2 notifications. 
HANDLE hNotifyEvent[2]; 
int SetupNotifications(void); 
DWORD HandleNotifications(LPVOID); 
 
/* Function declarations */ 
 
LRESULT CALLBACK MainWindowProc( HWND, unsigned, WPARAM, LPARAM ); 
BOOL CALLBACK DLG_About( HWND, UINT, WPARAM, LPARAM ); 
void CALLBACK TimeFunc( UINT, UINT, DWORD, DWORD, DWORD ); 
BOOL CALLBACK DSEnumDlgProc( HWND, UINT, WPARAM, LPARAM ); 
BOOL CALLBACK DSEnumProc( LPGUID, LPSTR, LPSTR, LPVOID ); 
 
void ErrorMessageBox( UINT, DWORD ); 
void HandlePanScroll( int, int ); 
void HandleVolScroll( int, int ); 
void HandleFreqScroll( int, int ); 
void ResetWavePlayer( void ); 
void UpdateFromControls( void ); 
 
int CreateChildren( RECT ); 
int HandleCommDlgError( DWORD ); 
int StreamBufferSetup( void ); 
 
BOOL DoDSoundEnumerate( LPGUID ); 
 
int WaveOpenFile(char *, HMMIO *, WAVEFORMATEX **, MMCKINFO *); 
int WaveStartDataRead(HMMIO *, MMCKINFO *, MMCKINFO *); 
int WaveReadFile(HMMIO, UINT, BYTE *, MMCKINFO *, UINT *); 
int WaveCloseReadFile(HMMIO *, WAVEFORMATEX **); 
 
int WaveCreateFile(char *, HMMIO *, WAVEFORMATEX *, MMCKINFO *, MMCKINFO *); 
int WaveStartDataWrite(HMMIO *, MMCKINFO *, MMIOINFO *); 
int WaveWriteFile(HMMIO, UINT, BYTE *, MMCKINFO *, UINT *, MMIOINFO *); 
int WaveCloseWriteFile(HMMIO *, MMCKINFO *, MMCKINFO *, MMIOINFO *, DWORD); 
 
int WaveLoadFile(char *, UINT *, DWORD *, WAVEFORMATEX **, BYTE **); 
int WaveSaveFile(char *, UINT, DWORD, WAVEFORMATEX *, BYTE *); 
 
int WaveCopyUselessChunks(HMMIO *, MMCKINFO *, MMCKINFO *, HMMIO *, 
MMCKINFO *, MMCKINFO *); 
BOOL riffCopyChunk(HMMIO, HMMIO, const LPMMCKINFO); 
 
#endif /* __DSSTREAM_INCLUDED__ */