WaveMix v2.
This commit is contained in:
oz
parent
e824307b27
commit
10af864767
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@ -7,12 +7,19 @@ CHANNELNODE WaveMix::channel_nodes[MAXQUEUEDWAVES];
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CHANNELNODE* WaveMix::free_channel_nodes;
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char WaveMix::volume_table[256 * 11];
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int WaveMix::debug_flag;
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int WaveMix::cmixit_ptr;
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void (*WaveMix::cmixit_ptr)(unsigned __int8* lpDest, unsigned __int8** rgWaveSrc, volume_struct* volume, int iNumWaves,
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unsigned __int16 length);
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HMODULE WaveMix::HModule;
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PCMWAVEFORMAT WaveMix::gpFormat = {{1u, 1u, 11025u, 11025u, 1u}, 8u};
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char WaveMix::string_buffer[256] = "WaveMix V 2.3 by Angel M. Diaz, Jr. (c) Microsoft 1993-1995";
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GLOBALS* WaveMix::Globals;
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GLOBALS *WaveMix::Globals, *WaveMix::GlobalsActive;
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int WaveMix::ShowDebugDialogs;
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PLAYQUEUE WaveMix::play_queue;
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CHANNELNODE* WaveMix::play_channel_array[MAXCHANNELS];
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XWAVEHDR* WaveMix::block_array1[10];
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XWAVEHDR* WaveMix::block_array2[10];
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unsigned char* WaveMix::play_data[MAXCHANNELS];
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volume_struct WaveMix::play_volume[MAXCHANNELS];
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HANDLE WaveMix::Init()
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{
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@ -60,8 +67,8 @@ HANDLE WaveMix::ConfigureInit(MIXCONFIG* lpConfig)
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globals->CmixPtr = cmixit_ptr;
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globals->wMagic2 = 21554;
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globals->wMagic1 = 21554;
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globals->unknown102 = 0;
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globals->unknown5 = 0;
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globals->WaveBlockArray = nullptr;
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globals->SettingsDialogActiveFlag = 0;
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globals->unknown44 = 655370;
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memset(globals->aChannel, 0xFFu, sizeof globals->aChannel);
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memmove(&globals->PCM, &gpFormat, 0x10u);
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@ -189,7 +196,7 @@ int WaveMix::Startup(HMODULE hModule)
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return 0;
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InitVolumeTable();
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debug_flag = GetPrivateProfileIntA("general", "debug", 0, FileName);
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cmixit_ptr = (int)cmixit;
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cmixit_ptr = cmixit;
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HModule = hModule;
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WndClass.hCursor = LoadCursorA(nullptr, IDC_ARROW);
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@ -344,7 +351,7 @@ int WaveMix::ReadRegistryForAppSpecificConfigs(MIXCONFIG* lpConfig)
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if ((dwFlags & 2) == 0)
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lpConfig->wSamplingRate = ReadRegistryInt(phkResult, "SamplesPerSec", 11);
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if ((dwFlags & 4) == 0)
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lpConfig->WaveBlocks = static_cast<short>(ReadRegistryInt(phkResult, "WaveBlocks", 3));
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lpConfig->WaveBlockCount = static_cast<short>(ReadRegistryInt(phkResult, "WaveBlocks", 3));
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if ((dwFlags & 8) == 0)
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lpConfig->WaveBlockLen = static_cast<short>(ReadRegistryInt(phkResult, "WaveBlockLen", 0));
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lpConfig->CmixPtrDefaultFlag = 1;
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@ -360,7 +367,7 @@ int WaveMix::ReadRegistryForAppSpecificConfigs(MIXCONFIG* lpConfig)
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lpConfig->ShowDebugDialogs = static_cast<short>(ReadRegistryInt(phkResult, "ShowDebugDialogs", 0));
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if ((dwFlags & 0x200) == 0)
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{
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int defaultPauseBlocks = DefaultPauseBlocks(static_cast<unsigned __int16>(lpConfig->WaveBlocks));
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int defaultPauseBlocks = DefaultPauseBlocks(static_cast<unsigned __int16>(lpConfig->WaveBlockCount));
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lpConfig->PauseBlocks = static_cast<short>(ReadRegistryInt(phkResult, "PauseBlocks", defaultPauseBlocks));
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}
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lpConfig->dwFlags = 1023;
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@ -395,7 +402,7 @@ int WaveMix::DefaultGoodWavePos(unsigned uDeviceID)
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}
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else
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{
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result = (LOBYTE(pwoc.dwSupport) >> 5) & 1;
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result = LOBYTE(pwoc.dwSupport) >> 5 & 1;
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}
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return result;
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}
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@ -414,15 +421,72 @@ int WaveMix::DefaultPauseBlocks(int waveBlocks)
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int WaveMix::Configure(GLOBALS* hMixSession, HWND hWndParent, MIXCONFIG* lpConfig, int* flag1Ptr, int saveConfigFlag)
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{
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MIXCONFIG mixConfigLocal;
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auto hMixSession2 = hMixSession;
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auto mixConfig = lpConfig;
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auto hMixSession3 = hMixSession;
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auto flag1Ptr_2 = flag1Ptr;
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auto someFlag1 = 0;
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auto globals1 = SessionToGlobalDataPtr(hMixSession);
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Globals = globals1;
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if (!globals1)
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return 5;
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if (globals1->fActive)
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return 4;
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if (globals1->SettingsDialogActiveFlag)
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return 12;
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FlushChannel(hMixSession, -1, 1u);
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if (!mixConfig)
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{
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mixConfigLocal.wSize = 30;
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mixConfigLocal.dwFlags = 1023;
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GetConfig(static_cast<GLOBALS*>(hMixSession), &mixConfigLocal);
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}
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return 1;
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}
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int WaveMix::GetConfig(HANDLE hMixSession, MIXCONFIG* lpConfig)
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{
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GLOBALS* globals = SessionToGlobalDataPtr(static_cast<GLOBALS*>(hMixSession));
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Globals = globals;
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if (!globals)
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return 5;
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if (!lpConfig)
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return 11;
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DWORD dwFlags = lpConfig->dwFlags;
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if ((dwFlags & 1) != 0)
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lpConfig->wChannels = globals->PCM.wf.nChannels;
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if ((dwFlags & 2) != 0)
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lpConfig->wSamplingRate = 11 * (globals->PCM.wf.nSamplesPerSec / 0x2B11);
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if ((dwFlags & 4) != 0)
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lpConfig->WaveBlockCount = globals->WaveBlockCount;
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if ((dwFlags & 8) != 0)
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lpConfig->WaveBlockLen = globals->WaveBlockLen;
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if ((dwFlags & 0x10) != 0)
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lpConfig->CmixPtrDefaultFlag = globals->CmixPtr == cmixit;
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if ((dwFlags & 0x20) != 0)
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lpConfig->ResetMixDefaultFlag = globals->pfnRemix == ResetRemix;
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if ((dwFlags & 0x40) != 0)
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lpConfig->GoodWavePos = globals->fGoodGetPos;
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if ((dwFlags & 0x80u) != 0)
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lpConfig->wDeviceID = globals->wDeviceID;
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if ((dwFlags & 0x100) != 0)
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lpConfig->ShowDebugDialogs = ShowDebugDialogs != 0;
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if ((dwFlags & 0x200) != 0)
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lpConfig->PauseBlocks = globals->PauseBlocks;
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return 0;
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}
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unsigned WaveMix::MyWaveOutGetPosition(HWAVEOUT hwo, int fGoodGetPos)
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{
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mmtime_tag pmmt{};
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if (!fGoodGetPos)
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return ((timeGetTime() - Globals->dwBaseTime) * Globals->PCM.wf.nAvgBytesPerSec / 0x3E8) & 0xFFFFFFF8;
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return (timeGetTime() - Globals->dwBaseTime) * Globals->PCM.wf.nAvgBytesPerSec / 0x3E8 & 0xFFFFFFF8;
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pmmt.wType = 4;
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waveOutGetPosition(hwo, &pmmt, 0xCu);
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return Globals->pfnSampleAdjust(pmmt.u.ms, Globals->dwWaveOutPos);
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@ -437,9 +501,251 @@ void WaveMix::FreeChannelNode(CHANNELNODE* channel)
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}
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}
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short WaveMix::cmixit(BYTE* a1, char* a2, char* a3, int a4, unsigned short a5)
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int WaveMix::ResetRemix(DWORD dwRemixSamplePos, CHANNELNODE* channel)
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{
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Globals->dwCurrentSample = dwRemixSamplePos;
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DestroyPlayQueue();
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SwapWaveBlocks();
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while (true)
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{
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auto block = GetWaveBlock();
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if (!block)
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break;
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if (!MixerPlay(block, 0))
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{
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block->fAvailable = 1;
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break;
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}
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AddToPlayingQueue(block);
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}
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return 1;
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}
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XWAVEHDR* WaveMix::RemoveFromPlayingQueue(XWAVEHDR* lpXWH)
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{
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if (!play_queue.first)
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return nullptr;
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if (lpXWH != play_queue.first)
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{
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XWAVEHDR* prev = play_queue.first;
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XWAVEHDR* current = play_queue.first->QNext;
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while (current)
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{
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if (current == lpXWH)
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break;
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prev = current;
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current = current->QNext;
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}
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if (!current)
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return nullptr;
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prev->QNext = current->QNext;
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if (current == play_queue.last)
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play_queue.last = prev;
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}
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else
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{
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play_queue.first = lpXWH->QNext;
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if (!play_queue.first)
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play_queue.last = nullptr;
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}
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lpXWH->QNext = nullptr;
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return lpXWH;
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}
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void WaveMix::DestroyPlayQueue()
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{
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while (play_queue.first)
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{
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play_queue.first->fAvailable = 1;
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RemoveFromPlayingQueue(play_queue.first);
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}
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}
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void WaveMix::SwapWaveBlocks()
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{
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if (Globals->WaveBlockArray == block_array1)
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Globals->WaveBlockArray = block_array2;
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else
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Globals->WaveBlockArray = block_array1;
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}
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XWAVEHDR* WaveMix::GetWaveBlock()
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{
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int index = 0;
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for (; index < Globals->WaveBlockCount; index++)
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if (Globals->WaveBlockArray[index]->fAvailable)
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break;
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if (index >= Globals->WaveBlockCount)
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return nullptr;
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XWAVEHDR* result = Globals->WaveBlockArray[index];
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result->fAvailable = 0;
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result->wh.dwBufferLength = Globals->WaveBlockLen;
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result->wh.lpData = reinterpret_cast<LPSTR>(&result[1]);
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result->g = GlobalsActive;
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return result;
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}
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int WaveMix::MixerPlay(XWAVEHDR* lpXWH, int fWriteBlocks)
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{
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if (!lpXWH)
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return 0;
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unsigned minStartPos = -1;
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auto playChannelCount = 0;
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auto channelPtr = Globals->aChannel;
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for (auto channelIndex = 16; channelIndex; --channelIndex)
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{
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auto channel = *channelPtr;
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if (channel != reinterpret_cast<CHANNELNODE*>(-1) && channel)
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{
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do
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{
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if (channel->dwEndPos > Globals->dwCurrentSample)
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break;
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channel = channel->next;
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}
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while (channel);
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if (channel)
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{
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if (channel->dwStartPos < minStartPos)
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minStartPos = channel->dwStartPos;
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play_channel_array[playChannelCount++] = channel;
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}
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}
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++channelPtr;
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}
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if (!playChannelCount)
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{
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if (fWriteBlocks)
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lpXWH->fAvailable = 1;
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return 0;
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}
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auto currentSample = Globals->dwCurrentSample;
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auto dataPtr = reinterpret_cast<unsigned char*>(lpXWH->wh.lpData);
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auto waveBlockLen = Globals->WaveBlockLen;
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while (waveBlockLen)
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{
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if (currentSample >= minStartPos)
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{
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auto waveCount = 0;
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auto endBlockPosition = currentSample + waveBlockLen;
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for (auto channelIndex = 0; channelIndex < playChannelCount; ++channelIndex)
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{
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auto channel = play_channel_array[channelIndex];
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if (channel->dwStartPos <= currentSample)
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{
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if (channel->dwEndPos < endBlockPosition)
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endBlockPosition = channel->dwEndPos;
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auto dataOffset = currentSample - channel->dwStartPos;
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if (channel->PlayParams.wLoops)
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{
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dataOffset %= channel->dwNumSamples;
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auto endBlockPosition2 = currentSample + (channel->dwNumSamples - dataOffset);
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if (endBlockPosition2 < endBlockPosition)
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endBlockPosition = endBlockPosition2;
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}
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play_data[waveCount] = &channel->lpPos[dataOffset];
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play_volume[waveCount].L = channel->Volume.L;
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play_volume[waveCount].R = channel->Volume.R;
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waveCount++;
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}
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else if (channel->dwStartPos < endBlockPosition)
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{
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endBlockPosition = channel->dwStartPos;
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}
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}
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if (waveCount)
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{
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auto dataLength = endBlockPosition - currentSample;
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Globals->CmixPtr(dataPtr, play_data, play_volume, waveCount, dataLength);
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dataPtr += dataLength;
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waveBlockLen -= dataLength;
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minStartPos = -1;
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currentSample += dataLength;
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auto playChPtr = play_channel_array;
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for (auto channelIndex = 0; channelIndex < playChannelCount;)
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{
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while (*playChPtr)
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{
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if ((*playChPtr)->dwEndPos > currentSample)
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break;
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*playChPtr = (*playChPtr)->next;
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}
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if (*playChPtr)
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{
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if ((*playChPtr)->dwStartPos < minStartPos)
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minStartPos = (*playChPtr)->dwStartPos;
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++channelIndex;
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++playChPtr;
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}
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else
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{
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playChannelCount--;
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*playChPtr = play_channel_array[playChannelCount];
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if (!playChannelCount)
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break;
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}
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}
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}
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}
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else
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{
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auto length = waveBlockLen;
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if (waveBlockLen + currentSample >= minStartPos)
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length = minStartPos - currentSample;
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memset(dataPtr, 0x80u, length);
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dataPtr += length;
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currentSample += length;
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waveBlockLen -= length;
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}
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}
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lpXWH->dwWavePos = Globals->dwCurrentSample;
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Globals->dwCurrentSample += Globals->WaveBlockLen;
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if (fWriteBlocks)
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{
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AddToPlayingQueue(lpXWH);
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if (waveOutWrite(Globals->hWaveOut, &lpXWH->wh, 0x20u))
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{
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if (ShowDebugDialogs)
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MessageBoxA(nullptr, "Failed to write block to device", "WavMix32", 0x30u);
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lpXWH->fAvailable = 1;
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RemoveFromPlayingQueue(lpXWH);
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}
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}
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return 1;
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}
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XWAVEHDR* WaveMix::AddToPlayingQueue(XWAVEHDR* lpXWH)
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{
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lpXWH->QNext = nullptr;
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if (play_queue.first)
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{
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play_queue.last->QNext = lpXWH;
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}
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else
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{
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play_queue.first = lpXWH;
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}
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play_queue.last = lpXWH;
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return play_queue.first;
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}
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void WaveMix::cmixit(unsigned __int8* lpDest, unsigned __int8** rgWaveSrc, volume_struct* volume, int iNumWaves,
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unsigned __int16 length)
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{
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return 0;
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}
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LRESULT WaveMix::WndProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
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@ -10,6 +10,15 @@
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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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@ -27,6 +36,7 @@ struct MIXPLAYPARAMS
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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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@ -37,10 +47,9 @@ struct CHANNELNODE
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DWORD dwNumSamples;
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DWORD dwStartPos;
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DWORD dwEndPos;
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char* lpPos;
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char* lpEnd;
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int Unknown0;
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int Unknown1;
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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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@ -49,7 +58,7 @@ struct MIXCONFIG
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DWORD dwFlags;
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WORD wChannels;
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WORD wSamplingRate;
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__int16 WaveBlocks;
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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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@ -60,6 +69,21 @@ struct MIXCONFIG
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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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@ -68,7 +92,7 @@ struct GLOBALS
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int unknown2;
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HWAVEOUT hWaveOut;
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int fActive;
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int unknown5;
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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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@ -112,7 +136,7 @@ struct GLOBALS
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int unknown58;
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int unknown59;
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int unknown60;
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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];
|
||||
};
|
||||
|
|
|
|||
Loading…
Reference in New Issue