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WaveMix v2.

This commit is contained in:
oz 2021-01-25 17:46:50 +03:00
parent e824307b27
commit 10af864767
3 changed files with 373 additions and 26 deletions

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@ -7,12 +7,19 @@ CHANNELNODE WaveMix::channel_nodes[MAXQUEUEDWAVES];
CHANNELNODE* WaveMix::free_channel_nodes;
char WaveMix::volume_table[256 * 11];
int WaveMix::debug_flag;
int WaveMix::cmixit_ptr;
void (*WaveMix::cmixit_ptr)(unsigned __int8* lpDest, unsigned __int8** rgWaveSrc, volume_struct* volume, int iNumWaves,
unsigned __int16 length);
HMODULE WaveMix::HModule;
PCMWAVEFORMAT WaveMix::gpFormat = {{1u, 1u, 11025u, 11025u, 1u}, 8u};
char WaveMix::string_buffer[256] = "WaveMix V 2.3 by Angel M. Diaz, Jr. (c) Microsoft 1993-1995";
GLOBALS* WaveMix::Globals;
GLOBALS *WaveMix::Globals, *WaveMix::GlobalsActive;
int WaveMix::ShowDebugDialogs;
PLAYQUEUE WaveMix::play_queue;
CHANNELNODE* WaveMix::play_channel_array[MAXCHANNELS];
XWAVEHDR* WaveMix::block_array1[10];
XWAVEHDR* WaveMix::block_array2[10];
unsigned char* WaveMix::play_data[MAXCHANNELS];
volume_struct WaveMix::play_volume[MAXCHANNELS];
HANDLE WaveMix::Init()
{
@ -60,8 +67,8 @@ HANDLE WaveMix::ConfigureInit(MIXCONFIG* lpConfig)
globals->CmixPtr = cmixit_ptr;
globals->wMagic2 = 21554;
globals->wMagic1 = 21554;
globals->unknown102 = 0;
globals->unknown5 = 0;
globals->WaveBlockArray = nullptr;
globals->SettingsDialogActiveFlag = 0;
globals->unknown44 = 655370;
memset(globals->aChannel, 0xFFu, sizeof globals->aChannel);
memmove(&globals->PCM, &gpFormat, 0x10u);
@ -189,7 +196,7 @@ int WaveMix::Startup(HMODULE hModule)
return 0;
InitVolumeTable();
debug_flag = GetPrivateProfileIntA("general", "debug", 0, FileName);
cmixit_ptr = (int)cmixit;
cmixit_ptr = cmixit;
HModule = hModule;
WndClass.hCursor = LoadCursorA(nullptr, IDC_ARROW);
@ -344,7 +351,7 @@ int WaveMix::ReadRegistryForAppSpecificConfigs(MIXCONFIG* lpConfig)
if ((dwFlags & 2) == 0)
lpConfig->wSamplingRate = ReadRegistryInt(phkResult, "SamplesPerSec", 11);
if ((dwFlags & 4) == 0)
lpConfig->WaveBlocks = static_cast<short>(ReadRegistryInt(phkResult, "WaveBlocks", 3));
lpConfig->WaveBlockCount = static_cast<short>(ReadRegistryInt(phkResult, "WaveBlocks", 3));
if ((dwFlags & 8) == 0)
lpConfig->WaveBlockLen = static_cast<short>(ReadRegistryInt(phkResult, "WaveBlockLen", 0));
lpConfig->CmixPtrDefaultFlag = 1;
@ -360,7 +367,7 @@ int WaveMix::ReadRegistryForAppSpecificConfigs(MIXCONFIG* lpConfig)
lpConfig->ShowDebugDialogs = static_cast<short>(ReadRegistryInt(phkResult, "ShowDebugDialogs", 0));
if ((dwFlags & 0x200) == 0)
{
int defaultPauseBlocks = DefaultPauseBlocks(static_cast<unsigned __int16>(lpConfig->WaveBlocks));
int defaultPauseBlocks = DefaultPauseBlocks(static_cast<unsigned __int16>(lpConfig->WaveBlockCount));
lpConfig->PauseBlocks = static_cast<short>(ReadRegistryInt(phkResult, "PauseBlocks", defaultPauseBlocks));
}
lpConfig->dwFlags = 1023;
@ -395,7 +402,7 @@ int WaveMix::DefaultGoodWavePos(unsigned uDeviceID)
}
else
{
result = (LOBYTE(pwoc.dwSupport) >> 5) & 1;
result = LOBYTE(pwoc.dwSupport) >> 5 & 1;
}
return result;
}
@ -414,15 +421,72 @@ int WaveMix::DefaultPauseBlocks(int waveBlocks)
int WaveMix::Configure(GLOBALS* hMixSession, HWND hWndParent, MIXCONFIG* lpConfig, int* flag1Ptr, int saveConfigFlag)
{
MIXCONFIG mixConfigLocal;
auto hMixSession2 = hMixSession;
auto mixConfig = lpConfig;
auto hMixSession3 = hMixSession;
auto flag1Ptr_2 = flag1Ptr;
auto someFlag1 = 0;
auto globals1 = SessionToGlobalDataPtr(hMixSession);
Globals = globals1;
if (!globals1)
return 5;
if (globals1->fActive)
return 4;
if (globals1->SettingsDialogActiveFlag)
return 12;
FlushChannel(hMixSession, -1, 1u);
if (!mixConfig)
{
mixConfigLocal.wSize = 30;
mixConfigLocal.dwFlags = 1023;
GetConfig(static_cast<GLOBALS*>(hMixSession), &mixConfigLocal);
}
return 1;
}
int WaveMix::GetConfig(HANDLE hMixSession, MIXCONFIG* lpConfig)
{
GLOBALS* globals = SessionToGlobalDataPtr(static_cast<GLOBALS*>(hMixSession));
Globals = globals;
if (!globals)
return 5;
if (!lpConfig)
return 11;
DWORD dwFlags = lpConfig->dwFlags;
if ((dwFlags & 1) != 0)
lpConfig->wChannels = globals->PCM.wf.nChannels;
if ((dwFlags & 2) != 0)
lpConfig->wSamplingRate = 11 * (globals->PCM.wf.nSamplesPerSec / 0x2B11);
if ((dwFlags & 4) != 0)
lpConfig->WaveBlockCount = globals->WaveBlockCount;
if ((dwFlags & 8) != 0)
lpConfig->WaveBlockLen = globals->WaveBlockLen;
if ((dwFlags & 0x10) != 0)
lpConfig->CmixPtrDefaultFlag = globals->CmixPtr == cmixit;
if ((dwFlags & 0x20) != 0)
lpConfig->ResetMixDefaultFlag = globals->pfnRemix == ResetRemix;
if ((dwFlags & 0x40) != 0)
lpConfig->GoodWavePos = globals->fGoodGetPos;
if ((dwFlags & 0x80u) != 0)
lpConfig->wDeviceID = globals->wDeviceID;
if ((dwFlags & 0x100) != 0)
lpConfig->ShowDebugDialogs = ShowDebugDialogs != 0;
if ((dwFlags & 0x200) != 0)
lpConfig->PauseBlocks = globals->PauseBlocks;
return 0;
}
unsigned WaveMix::MyWaveOutGetPosition(HWAVEOUT hwo, int fGoodGetPos)
{
mmtime_tag pmmt{};
if (!fGoodGetPos)
return ((timeGetTime() - Globals->dwBaseTime) * Globals->PCM.wf.nAvgBytesPerSec / 0x3E8) & 0xFFFFFFF8;
return (timeGetTime() - Globals->dwBaseTime) * Globals->PCM.wf.nAvgBytesPerSec / 0x3E8 & 0xFFFFFFF8;
pmmt.wType = 4;
waveOutGetPosition(hwo, &pmmt, 0xCu);
return Globals->pfnSampleAdjust(pmmt.u.ms, Globals->dwWaveOutPos);
@ -437,9 +501,251 @@ void WaveMix::FreeChannelNode(CHANNELNODE* channel)
}
}
short WaveMix::cmixit(BYTE* a1, char* a2, char* a3, int a4, unsigned short a5)
int WaveMix::ResetRemix(DWORD dwRemixSamplePos, CHANNELNODE* channel)
{
Globals->dwCurrentSample = dwRemixSamplePos;
DestroyPlayQueue();
SwapWaveBlocks();
while (true)
{
auto block = GetWaveBlock();
if (!block)
break;
if (!MixerPlay(block, 0))
{
block->fAvailable = 1;
break;
}
AddToPlayingQueue(block);
}
return 1;
}
XWAVEHDR* WaveMix::RemoveFromPlayingQueue(XWAVEHDR* lpXWH)
{
if (!play_queue.first)
return nullptr;
if (lpXWH != play_queue.first)
{
XWAVEHDR* prev = play_queue.first;
XWAVEHDR* current = play_queue.first->QNext;
while (current)
{
if (current == lpXWH)
break;
prev = current;
current = current->QNext;
}
if (!current)
return nullptr;
prev->QNext = current->QNext;
if (current == play_queue.last)
play_queue.last = prev;
}
else
{
play_queue.first = lpXWH->QNext;
if (!play_queue.first)
play_queue.last = nullptr;
}
lpXWH->QNext = nullptr;
return lpXWH;
}
void WaveMix::DestroyPlayQueue()
{
while (play_queue.first)
{
play_queue.first->fAvailable = 1;
RemoveFromPlayingQueue(play_queue.first);
}
}
void WaveMix::SwapWaveBlocks()
{
if (Globals->WaveBlockArray == block_array1)
Globals->WaveBlockArray = block_array2;
else
Globals->WaveBlockArray = block_array1;
}
XWAVEHDR* WaveMix::GetWaveBlock()
{
int index = 0;
for (; index < Globals->WaveBlockCount; index++)
if (Globals->WaveBlockArray[index]->fAvailable)
break;
if (index >= Globals->WaveBlockCount)
return nullptr;
XWAVEHDR* result = Globals->WaveBlockArray[index];
result->fAvailable = 0;
result->wh.dwBufferLength = Globals->WaveBlockLen;
result->wh.lpData = reinterpret_cast<LPSTR>(&result[1]);
result->g = GlobalsActive;
return result;
}
int WaveMix::MixerPlay(XWAVEHDR* lpXWH, int fWriteBlocks)
{
if (!lpXWH)
return 0;
unsigned minStartPos = -1;
auto playChannelCount = 0;
auto channelPtr = Globals->aChannel;
for (auto channelIndex = 16; channelIndex; --channelIndex)
{
auto channel = *channelPtr;
if (channel != reinterpret_cast<CHANNELNODE*>(-1) && channel)
{
do
{
if (channel->dwEndPos > Globals->dwCurrentSample)
break;
channel = channel->next;
}
while (channel);
if (channel)
{
if (channel->dwStartPos < minStartPos)
minStartPos = channel->dwStartPos;
play_channel_array[playChannelCount++] = channel;
}
}
++channelPtr;
}
if (!playChannelCount)
{
if (fWriteBlocks)
lpXWH->fAvailable = 1;
return 0;
}
auto currentSample = Globals->dwCurrentSample;
auto dataPtr = reinterpret_cast<unsigned char*>(lpXWH->wh.lpData);
auto waveBlockLen = Globals->WaveBlockLen;
while (waveBlockLen)
{
if (currentSample >= minStartPos)
{
auto waveCount = 0;
auto endBlockPosition = currentSample + waveBlockLen;
for (auto channelIndex = 0; channelIndex < playChannelCount; ++channelIndex)
{
auto channel = play_channel_array[channelIndex];
if (channel->dwStartPos <= currentSample)
{
if (channel->dwEndPos < endBlockPosition)
endBlockPosition = channel->dwEndPos;
auto dataOffset = currentSample - channel->dwStartPos;
if (channel->PlayParams.wLoops)
{
dataOffset %= channel->dwNumSamples;
auto endBlockPosition2 = currentSample + (channel->dwNumSamples - dataOffset);
if (endBlockPosition2 < endBlockPosition)
endBlockPosition = endBlockPosition2;
}
play_data[waveCount] = &channel->lpPos[dataOffset];
play_volume[waveCount].L = channel->Volume.L;
play_volume[waveCount].R = channel->Volume.R;
waveCount++;
}
else if (channel->dwStartPos < endBlockPosition)
{
endBlockPosition = channel->dwStartPos;
}
}
if (waveCount)
{
auto dataLength = endBlockPosition - currentSample;
Globals->CmixPtr(dataPtr, play_data, play_volume, waveCount, dataLength);
dataPtr += dataLength;
waveBlockLen -= dataLength;
minStartPos = -1;
currentSample += dataLength;
auto playChPtr = play_channel_array;
for (auto channelIndex = 0; channelIndex < playChannelCount;)
{
while (*playChPtr)
{
if ((*playChPtr)->dwEndPos > currentSample)
break;
*playChPtr = (*playChPtr)->next;
}
if (*playChPtr)
{
if ((*playChPtr)->dwStartPos < minStartPos)
minStartPos = (*playChPtr)->dwStartPos;
++channelIndex;
++playChPtr;
}
else
{
playChannelCount--;
*playChPtr = play_channel_array[playChannelCount];
if (!playChannelCount)
break;
}
}
}
}
else
{
auto length = waveBlockLen;
if (waveBlockLen + currentSample >= minStartPos)
length = minStartPos - currentSample;
memset(dataPtr, 0x80u, length);
dataPtr += length;
currentSample += length;
waveBlockLen -= length;
}
}
lpXWH->dwWavePos = Globals->dwCurrentSample;
Globals->dwCurrentSample += Globals->WaveBlockLen;
if (fWriteBlocks)
{
AddToPlayingQueue(lpXWH);
if (waveOutWrite(Globals->hWaveOut, &lpXWH->wh, 0x20u))
{
if (ShowDebugDialogs)
MessageBoxA(nullptr, "Failed to write block to device", "WavMix32", 0x30u);
lpXWH->fAvailable = 1;
RemoveFromPlayingQueue(lpXWH);
}
}
return 1;
}
XWAVEHDR* WaveMix::AddToPlayingQueue(XWAVEHDR* lpXWH)
{
lpXWH->QNext = nullptr;
if (play_queue.first)
{
play_queue.last->QNext = lpXWH;
}
else
{
play_queue.first = lpXWH;
}
play_queue.last = lpXWH;
return play_queue.first;
}
void WaveMix::cmixit(unsigned __int8* lpDest, unsigned __int8** rgWaveSrc, volume_struct* volume, int iNumWaves,
unsigned __int16 length)
{
return 0;
}
LRESULT WaveMix::WndProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)

View file

@ -10,6 +10,15 @@
#define MAXCHANNELS 16
#define MAXQUEUEDWAVES 100
struct GLOBALS;
struct volume_struct
{
unsigned __int16 L;
unsigned __int16 R;
};
struct MIXWAVE
{
PCMWAVEFORMAT pcm;
@ -27,6 +36,7 @@ struct MIXPLAYPARAMS
HWND hWndNotify;
DWORD dwFlags;
WORD wLoops;
int Unknown0;
};
struct CHANNELNODE
@ -37,10 +47,9 @@ struct CHANNELNODE
DWORD dwNumSamples;
DWORD dwStartPos;
DWORD dwEndPos;
char* lpPos;
char* lpEnd;
int Unknown0;
int Unknown1;
unsigned char* lpPos;
unsigned char* lpEnd;
volume_struct Volume;
};
struct MIXCONFIG
@ -49,7 +58,7 @@ struct MIXCONFIG
DWORD dwFlags;
WORD wChannels;
WORD wSamplingRate;
__int16 WaveBlocks;
__int16 WaveBlockCount;
__int16 WaveBlockLen;
__int16 CmixPtrDefaultFlag;
unsigned __int16 ResetMixDefaultFlag;
@ -60,6 +69,21 @@ struct MIXCONFIG
HKEY RegistryKey;
};
struct XWAVEHDR
{
WAVEHDR wh;
BOOL fAvailable;
DWORD dwWavePos;
GLOBALS* g;
struct XWAVEHDR* QNext;
};
struct PLAYQUEUE
{
XWAVEHDR* first;
XWAVEHDR* last;
};
struct GLOBALS
{
WORD wMagic1;
@ -68,7 +92,7 @@ struct GLOBALS
int unknown2;
HWAVEOUT hWaveOut;
int fActive;
int unknown5;
int SettingsDialogActiveFlag;
unsigned int wDeviceID;
int unknown7;
int unknown8;
@ -112,7 +136,7 @@ struct GLOBALS
int unknown58;
int unknown59;
int unknown60;
CHANNELNODE* aChannel[16];
CHANNELNODE* aChannel[MAXCHANNELS];
int unknown77;
int unknown78;
int unknown79;
@ -135,14 +159,15 @@ struct GLOBALS
int WaveBlockLen;
int WaveBlockCount;
int PauseBlocks;
int unknown102;
int unknown103;
XWAVEHDR** WaveBlockArray;
DWORD dwCurrentSample;
DWORD dwBaseTime;
int fGoodGetPos;
int dwWaveOutPos;
int CmixPtr;
void(__stdcall* pfnRemix)(DWORD, CHANNELNODE*);
int (__stdcall* pfnSampleAdjust)(int, int);
void (*CmixPtr)(unsigned __int8* lpDest, unsigned __int8** rgWaveSrc, volume_struct* volume, int iNumWaves,
unsigned __int16 length);
int (* pfnRemix)(DWORD, CHANNELNODE*);
int (* pfnSampleAdjust)(int, int);
int unknown110;
__int16 wMagic2;
__int16 unknown112;
@ -178,9 +203,18 @@ private:
static int DefaultGoodWavePos(unsigned int uDeviceID);
static int DefaultPauseBlocks(int waveBlocks);
static int Configure(GLOBALS* hMixSession, HWND hWndParent, MIXCONFIG* lpConfig, int* flag1Ptr, int saveConfigFlag);
static int GetConfig(HANDLE hMixSession, MIXCONFIG* lpConfig);
static unsigned MyWaveOutGetPosition(HWAVEOUT hwo, int fGoodGetPos);
static void FreeChannelNode(CHANNELNODE* channel);
static __int16 cmixit(BYTE* a1, char* a2, char* a3, int a4, unsigned __int16 a5);
static int ResetRemix(DWORD dwRemixSamplePos, CHANNELNODE* channel);
static XWAVEHDR* RemoveFromPlayingQueue(XWAVEHDR* lpXWH);
static void DestroyPlayQueue();
static void SwapWaveBlocks();
static XWAVEHDR* GetWaveBlock();
static int MixerPlay(XWAVEHDR* lpXWH, int fWriteBlocks);
static XWAVEHDR* AddToPlayingQueue(XWAVEHDR* lpXWH);
static void cmixit(unsigned __int8* lpDest, unsigned __int8** rgWaveSrc, volume_struct* volume, int iNumWaves,
unsigned __int16 length);
static LRESULT __stdcall WndProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam);
static int initialized_flag;
@ -189,10 +223,17 @@ private:
static CHANNELNODE* free_channel_nodes;
static char volume_table[256 * 11];
static int debug_flag;
static int cmixit_ptr;
static void (*cmixit_ptr)(unsigned __int8* lpDest, unsigned __int8** rgWaveSrc, volume_struct* volume,
int iNumWaves, unsigned __int16 length);
static HMODULE HModule;
static GLOBALS* Globals;
static GLOBALS *Globals, *GlobalsActive;
static PCMWAVEFORMAT gpFormat;
static int ShowDebugDialogs;
static char string_buffer[256];
static PLAYQUEUE play_queue;
static CHANNELNODE* play_channel_array[MAXCHANNELS];
static XWAVEHDR* block_array1[10];
static XWAVEHDR* block_array2[10];
static unsigned char* play_data[MAXCHANNELS];
static volume_struct play_volume[MAXCHANNELS];
};