240 lines
5.8 KiB
C++
240 lines
5.8 KiB
C++
#pragma once
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/* flag values for play params */
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#define WMIX_QUEUEWAVE 0x00
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#define WMIX_CLEARQUEUE 0x01
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#define WMIX_USELRUCHANNEL 0x02
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#define WMIX_HIPRIORITY 0x04
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#define WMIX_WAIT 0x08
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#define MAXCHANNELS 16
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#define MAXQUEUEDWAVES 100
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struct GLOBALS;
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struct volume_struct
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{
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unsigned __int16 L;
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unsigned __int16 R;
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};
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struct MIXWAVE
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{
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PCMWAVEFORMAT pcm;
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WAVEHDR wh;
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char szWaveFilename[16];
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short Unknown0;
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};
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struct MIXPLAYPARAMS
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{
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WORD wSize;
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HANDLE hMixSession;
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int iChannel;
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MIXWAVE* lpMixWave;
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HWND hWndNotify;
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DWORD dwFlags;
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WORD wLoops;
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int Unknown0;
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};
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struct CHANNELNODE
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{
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CHANNELNODE* next;
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MIXPLAYPARAMS PlayParams;
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MIXWAVE* lpMixWave;
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DWORD dwNumSamples;
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DWORD dwStartPos;
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DWORD dwEndPos;
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unsigned char* lpPos;
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unsigned char* lpEnd;
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volume_struct Volume;
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};
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struct MIXCONFIG
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{
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WORD wSize;
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DWORD dwFlags;
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WORD wChannels;
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WORD wSamplingRate;
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__int16 WaveBlockCount;
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__int16 WaveBlockLen;
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__int16 CmixPtrDefaultFlag;
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unsigned __int16 ResetMixDefaultFlag;
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unsigned __int16 GoodWavePos;
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unsigned __int16 wDeviceID;
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__int16 PauseBlocks;
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__int16 ShowDebugDialogs;
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HKEY RegistryKey;
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};
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struct XWAVEHDR
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{
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WAVEHDR wh;
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BOOL fAvailable;
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DWORD dwWavePos;
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GLOBALS* g;
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struct XWAVEHDR* QNext;
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};
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struct PLAYQUEUE
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{
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XWAVEHDR* first;
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XWAVEHDR* last;
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};
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struct GLOBALS
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{
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WORD wMagic1;
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__int16 unknown0;
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int unknown1;
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int unknown2;
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HWAVEOUT hWaveOut;
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int fActive;
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int SettingsDialogActiveFlag;
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unsigned int wDeviceID;
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int unknown7;
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int unknown8;
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int unknown9;
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int unknown10;
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int unknown11;
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int unknown12;
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int unknown13;
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int unknown14;
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int unknown15;
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int unknown16;
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int unknown17;
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int unknown18;
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int unknown19;
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int unknown20;
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int unknown21;
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int unknown22;
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int unknown23;
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int unknown24;
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int unknown25;
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int unknown26;
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int unknown27;
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int unknown28;
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int unknown29;
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int unknown30;
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WAVEOUTCAPSA WaveoutCaps;
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int unknown44;
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int unknown45;
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int unknown46;
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int unknown47;
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int unknown48;
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int unknown49;
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int unknown50;
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int unknown51;
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int unknown52;
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int unknown53;
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int unknown54;
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int unknown55;
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int unknown56;
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int unknown57;
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int unknown58;
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int unknown59;
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int unknown60;
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CHANNELNODE* aChannel[MAXCHANNELS];
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int unknown77;
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int unknown78;
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int unknown79;
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int unknown80;
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int unknown81;
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int unknown82;
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int unknown83;
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int unknown84;
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int unknown85;
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int unknown86;
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int unknown87;
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int unknown88;
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int unknown89;
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int unknown90;
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int unknown91;
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int unknown92;
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int unknown93;
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int unknown94;
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PCMWAVEFORMAT PCM;
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int WaveBlockLen;
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int WaveBlockCount;
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int PauseBlocks;
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XWAVEHDR** WaveBlockArray;
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DWORD dwCurrentSample;
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DWORD dwBaseTime;
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int fGoodGetPos;
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int dwWaveOutPos;
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void (*CmixPtr)(unsigned __int8* lpDest, unsigned __int8** rgWaveSrc, volume_struct* volume, int iNumWaves,
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unsigned __int16 length);
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int (* pfnRemix)(DWORD, CHANNELNODE*);
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int (* pfnSampleAdjust)(int, int);
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int unknown110;
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__int16 wMagic2;
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__int16 unknown112;
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};
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class WaveMix
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{
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public:
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static HANDLE Init();
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static HANDLE ConfigureInit(MIXCONFIG* lpConfig);
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static int CloseSession(HANDLE hMixSession);
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static int OpenChannel(HANDLE hMixSession, int iChannel, unsigned int dwFlags);
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static int CloseChannel(HANDLE hMixSession, int iChannel, unsigned int dwFlags);
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static int FlushChannel(HANDLE hMixSession, int iChannel, unsigned int dwFlags);
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static MIXWAVE* OpenWave(HANDLE hMixSession, LPCSTR szWaveFilename, HINSTANCE hInst, unsigned int dwFlags);
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static int FreeWave(HANDLE hMixSession, MIXWAVE* lpMixWave);
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static int Activate(HANDLE hMixSession, bool fActivate);
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static void Pump();
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static int Play(MIXPLAYPARAMS* lpMixPlayParams);
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private:
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static GLOBALS* SessionToGlobalDataPtr(HANDLE hMixSession);
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static int Startup(HMODULE hModule);
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static int SetIniFileName(HMODULE hModule);
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static void InitChannelNodes();
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static void InitVolumeTable();
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static void ShowWaveOutDevices();
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static int RemoveInvalidIniNameCharacters(char* lpString);
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static int ReadConfigSettings(MIXCONFIG* lpConfig);
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static int ReadRegistryForAppSpecificConfigs(MIXCONFIG* lpConfig);
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static int ReadRegistryInt(HKEY hKey, LPCSTR lpSubKey, int defaultValue);
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static int DefaultGoodWavePos(unsigned int uDeviceID);
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static int DefaultPauseBlocks(int waveBlocks);
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static int Configure(GLOBALS* hMixSession, HWND hWndParent, MIXCONFIG* lpConfig, int* flag1Ptr, int saveConfigFlag);
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static int GetConfig(HANDLE hMixSession, MIXCONFIG* lpConfig);
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static unsigned MyWaveOutGetPosition(HWAVEOUT hwo, int fGoodGetPos);
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static void FreeChannelNode(CHANNELNODE* channel);
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static int ResetRemix(DWORD dwRemixSamplePos, CHANNELNODE* channel);
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static XWAVEHDR* RemoveFromPlayingQueue(XWAVEHDR* lpXWH);
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static void DestroyPlayQueue();
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static void SwapWaveBlocks();
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static XWAVEHDR* GetWaveBlock();
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static int MixerPlay(XWAVEHDR* lpXWH, int fWriteBlocks);
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static XWAVEHDR* AddToPlayingQueue(XWAVEHDR* lpXWH);
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static void cmixit(unsigned __int8* lpDest, unsigned __int8** rgWaveSrc, volume_struct* volume, int iNumWaves,
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unsigned __int16 length);
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static LRESULT __stdcall WndProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam);
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static int initialized_flag;
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static char FileName[276];
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static CHANNELNODE channel_nodes[MAXQUEUEDWAVES];
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static CHANNELNODE* free_channel_nodes;
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static char volume_table[256 * 11];
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static int debug_flag;
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static void (*cmixit_ptr)(unsigned __int8* lpDest, unsigned __int8** rgWaveSrc, volume_struct* volume,
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int iNumWaves, unsigned __int16 length);
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static HMODULE HModule;
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static GLOBALS *Globals, *GlobalsActive;
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static PCMWAVEFORMAT gpFormat;
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static int ShowDebugDialogs;
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static char string_buffer[256];
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static PLAYQUEUE play_queue;
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static CHANNELNODE* play_channel_array[MAXCHANNELS];
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static XWAVEHDR* block_array1[10];
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static XWAVEHDR* block_array2[10];
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static unsigned char* play_data[MAXCHANNELS];
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static volume_struct play_volume[MAXCHANNELS];
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};
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