WaveMix v1.
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oz
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@ -1,9 +1,81 @@
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#include "pch.h"
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#include "WaveMix.h"
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int WaveMix::initialized_flag;
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char WaveMix::FileName[276];
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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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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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int WaveMix::ShowDebugDialogs;
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HANDLE WaveMix::Init()
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{
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return (HANDLE)1;
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return ConfigureInit(nullptr);
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}
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HANDLE WaveMix::ConfigureInit(MIXCONFIG* lpConfig)
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{
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MIXCONFIG mixConfig{};
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memset(&mixConfig, 0, 0x1Cu);
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unsigned int copySize = 30;
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mixConfig.RegistryKey = nullptr;
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mixConfig.wSize = 30;
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if (lpConfig)
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{
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if (lpConfig->wSize < 30u)
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copySize = lpConfig->wSize;
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memcpy(&mixConfig, lpConfig, copySize);
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}
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if (initialized_flag || Startup(GetModuleHandleA(nullptr)) != 0)
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{
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bool showDebugDialogs;
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if ((mixConfig.dwFlags & 0x100) != 0)
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showDebugDialogs = mixConfig.ShowDebugDialogs != 0;
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else
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showDebugDialogs = GetPrivateProfileIntA("general", "ShowDebugDialogs", 0, FileName) != 0;
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ShowDebugDialogs = showDebugDialogs;
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if (!waveOutGetNumDevs())
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{
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if (ShowDebugDialogs)
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{
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wsprintfA(string_buffer, "This system does not have a valid wave output device.");
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MessageBoxA(nullptr, string_buffer, "WavMix32", 0x40u);
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}
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return nullptr;
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}
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if (GetPrivateProfileIntA("general", "ShowDevices", 0, FileName))
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ShowWaveOutDevices();
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auto globals = static_cast<GLOBALS*>(LocalAlloc(0x40u, 0x1C0u));
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Globals = globals;
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if (!globals)
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return nullptr;
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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->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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if (!ReadConfigSettings(&mixConfig))
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{
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Globals->wMagic2 = 0;
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Globals->wMagic1 = 0;
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LocalFree(Globals);
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Globals = nullptr;
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}
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return Globals;
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}
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return nullptr;
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}
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int WaveMix::CloseSession(HANDLE hMixSession)
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@ -23,6 +95,52 @@ int WaveMix::CloseChannel(HANDLE hMixSession, int iChannel, unsigned dwFlags)
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int WaveMix::FlushChannel(HANDLE hMixSession, int iChannel, unsigned dwFlags)
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{
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int channelId;
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int lastChannel;
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int remixFlag = 0;
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auto globals = SessionToGlobalDataPtr(hMixSession);
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Globals = globals;
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if (!globals)
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return 5;
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if ((dwFlags & 1) != 0)
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{
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channelId = 0;
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lastChannel = 16;
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}
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else
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{
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channelId = iChannel;
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if (iChannel < 0 || iChannel >= 16)
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return 11;
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if (globals->aChannel[iChannel] == reinterpret_cast<CHANNELNODE*>(-1))
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return 5;
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lastChannel = iChannel + 1;
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if (iChannel >= lastChannel)
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return 0;
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}
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for (auto index = channelId; index < lastChannel; index++)
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{
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auto curChannel = globals->aChannel[index];
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if (curChannel != reinterpret_cast<CHANNELNODE*>(-1))
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{
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globals->aChannel[index] = nullptr;
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remixFlag |= curChannel != nullptr;
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while (curChannel)
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{
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auto tmp = curChannel->next;
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FreeChannelNode(curChannel);
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curChannel = tmp;
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}
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}
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}
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if (remixFlag && (dwFlags & 2) == 0 && globals->fActive)
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{
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globals->pfnRemix(MyWaveOutGetPosition(globals->hWaveOut, globals->fGoodGetPos), nullptr);
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}
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return 0;
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}
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@ -49,3 +167,285 @@ int WaveMix::Play(MIXPLAYPARAMS* lpMixPlayParams)
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{
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return 0;
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}
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GLOBALS* WaveMix::SessionToGlobalDataPtr(HANDLE hMixSession)
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{
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auto globals = static_cast<GLOBALS*>(hMixSession);
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if (hMixSession && globals->wMagic1 == 21554 && globals->wMagic2 == 21554)
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return globals;
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MessageBeep(0xFFFFFFFF);
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wsprintfA(string_buffer, "Invalid session handle 0x%04X passed to WaveMix API", hMixSession);
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MessageBoxA(nullptr, string_buffer, "WavMix32", 0x30u);
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return nullptr;
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}
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int WaveMix::Startup(HMODULE hModule)
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{
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WNDCLASSA WndClass;
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if (initialized_flag)
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return 1;
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if (!SetIniFileName(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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HModule = hModule;
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WndClass.hCursor = LoadCursorA(nullptr, IDC_ARROW);
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WndClass.hIcon = nullptr;
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WndClass.lpszMenuName = nullptr;
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WndClass.lpszClassName = "WavMix32";
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WndClass.hbrBackground = static_cast<HBRUSH>(GetStockObject(1));
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WndClass.hInstance = HModule;
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WndClass.style = 0;
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WndClass.lpfnWndProc = WndProc;
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WndClass.cbWndExtra = 0;
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WndClass.cbClsExtra = 0;
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if (!RegisterClassA(&WndClass))
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return 0;
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InitChannelNodes();
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initialized_flag = 1;
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return 1;
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}
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int WaveMix::SetIniFileName(HMODULE hModule)
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{
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int result = GetModuleFileNameA(hModule, FileName, 0x104u);
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if (result)
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{
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char* i;
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for (i = &FileName[result]; *i != '\\'; --i)
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{
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}
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*i = 0;
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lstrcpyA(i, "\\WAVEMIX.INF");
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result = 1;
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}
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return result;
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}
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void WaveMix::InitChannelNodes()
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{
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CHANNELNODE* channelPtr = channel_nodes;
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do
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{
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channelPtr->next = channelPtr + 1;
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++channelPtr;
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}
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while (channelPtr < &channel_nodes[MAXQUEUEDWAVES - 2]);
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channel_nodes[MAXQUEUEDWAVES - 1].next = nullptr;
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free_channel_nodes = channel_nodes;
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}
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void WaveMix::InitVolumeTable()
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{
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int index2 = 0;
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int index3Sub = 0;
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char* tablePtr = &volume_table[128];
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do
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{
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int index1 = -128;
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int divSmth = index3Sub;
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do
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{
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tablePtr[index1] = static_cast<char>(divSmth / 10 + 128);
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divSmth += index2;
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++index1;
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}
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while (index1 < 128);
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++index2;
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index3Sub -= 128;
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tablePtr += 256;
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}
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while (tablePtr <= &volume_table[2688]);
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}
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void WaveMix::ShowWaveOutDevices()
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{
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tagWAVEOUTCAPSA pwoc{};
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auto deviceCount = waveOutGetNumDevs();
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if (deviceCount)
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{
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wsprintfA(string_buffer, "%d waveOut Devices have been detected on your system.", deviceCount);
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MessageBoxA(nullptr, string_buffer, "WavMix32", 0x40u);
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for (auto uDeviceID = 0u; uDeviceID < deviceCount; ++uDeviceID)
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{
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if (!waveOutGetDevCapsA(uDeviceID, &pwoc, 0x34u) && RemoveInvalidIniNameCharacters(pwoc.szPname))
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wsprintfA(
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string_buffer,
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"Device %i: %s\n\tVersion %u.%u",
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uDeviceID,
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pwoc.szPname,
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HIBYTE(pwoc.vDriverVersion),
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LOBYTE(pwoc.vDriverVersion));
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else
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wsprintfA(string_buffer, "waveOutGetDevCaps failed (err %u) for device %d", 1, uDeviceID);
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MessageBoxA(nullptr, string_buffer, "WavMix32", 0x40u);
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}
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}
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}
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int WaveMix::RemoveInvalidIniNameCharacters(char* lpString)
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{
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auto stringPtr = lpString;
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if (!lpString || !*lpString)
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return 0;
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do
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{
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if (!isalnum(*stringPtr) && !isspace(*stringPtr))
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break;
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++stringPtr;
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}
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while (*stringPtr);
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do
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*stringPtr-- = 0;
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while (stringPtr >= lpString && isspace(*stringPtr));
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return lstrlenA(lpString);
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}
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int WaveMix::ReadConfigSettings(MIXCONFIG* lpConfig)
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{
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auto waveDeviceCount = waveOutGetNumDevs();
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if (!waveDeviceCount)
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return 0;
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if ((lpConfig->dwFlags & 0x400) != 0 && ReadRegistryForAppSpecificConfigs(lpConfig))
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{
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Configure(Globals, nullptr, lpConfig, nullptr, 0);
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return 1;
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}
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return 1;
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}
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int WaveMix::ReadRegistryForAppSpecificConfigs(MIXCONFIG* lpConfig)
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{
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HKEY phkResult;
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CHAR SubKey[52];
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DWORD dwFlags = lpConfig->dwFlags;
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if ((dwFlags & 0x400) == 0 || !lpConfig->RegistryKey)
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return 0;
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if ((dwFlags & 0x80u) == 0)
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{
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lpConfig->wDeviceID = Globals->wDeviceID;
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}
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else if (lpConfig->wDeviceID >= waveOutGetNumDevs())
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{
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lpConfig->wDeviceID = 0;
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}
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wsprintfA(SubKey, "WaveMix\\Device%u", lpConfig->wDeviceID);
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if (RegOpenKeyA(lpConfig->RegistryKey, SubKey, &phkResult))
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return 0;
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if ((dwFlags & 1) == 0)
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lpConfig->wChannels = ReadRegistryInt(phkResult, "Channels", 1);
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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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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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if ((dwFlags & 0x20) == 0)
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lpConfig->ResetMixDefaultFlag = static_cast<unsigned __int16>(ReadRegistryInt(phkResult, "Remix", 1)) != 2;
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if ((dwFlags & 0x40) == 0)
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{
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int defaultGoodWavePos = DefaultGoodWavePos(lpConfig->wDeviceID);
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lpConfig->GoodWavePos = static_cast<unsigned __int16>(ReadRegistryInt(
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phkResult, "GoodWavePos", defaultGoodWavePos)) != 0;
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}
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if ((dwFlags & 0x100) == 0)
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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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lpConfig->PauseBlocks = static_cast<short>(ReadRegistryInt(phkResult, "PauseBlocks", defaultPauseBlocks));
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}
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lpConfig->dwFlags = 1023;
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waveOutGetDevCapsA(lpConfig->wDeviceID, &Globals->WaveoutCaps, 0x34u);
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RegCloseKey(phkResult);
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return 1;
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}
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int WaveMix::ReadRegistryInt(HKEY hKey, LPCSTR lpSubKey, int defaultValue)
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{
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int result;
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LONG cbData = 10;
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char Data[12];
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if (!hKey || RegQueryValueA(hKey, lpSubKey, Data, &cbData))
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result = defaultValue;
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else
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result = atol(Data);
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return result;
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}
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int WaveMix::DefaultGoodWavePos(unsigned uDeviceID)
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{
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int result;
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struct tagWAVEOUTCAPSA pwoc{};
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auto deviceCount = waveOutGetNumDevs();
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if (uDeviceID > deviceCount || (uDeviceID & 0x80000000) != 0 ||
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!deviceCount || waveOutGetDevCapsA(uDeviceID, &pwoc, 0x34u))
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{
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result = 0;
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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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}
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return result;
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}
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#pragma warning (disable : 4996)/*Original uses GetVersion*/
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int WaveMix::DefaultPauseBlocks(int waveBlocks)
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{
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int result;
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if (GetVersion() < 0x80000000 || static_cast<unsigned __int8>(GetVersion()) < 4u)
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result = waveBlocks;
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else
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result = 0;
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return result;
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}
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#pragma warning (default : 4996)
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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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return 1;
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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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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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}
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void WaveMix::FreeChannelNode(CHANNELNODE* channel)
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{
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if (channel)
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{
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channel->next = free_channel_nodes;
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free_channel_nodes = 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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{
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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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{
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if (Msg != 957 && Msg != 1024)
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return DefWindowProcA(hWnd, Msg, wParam, lParam);
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Pump();
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return 0;
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}
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@ -8,6 +8,7 @@
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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 MIXWAVE
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{
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@ -28,10 +29,131 @@ struct MIXPLAYPARAMS
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WORD wLoops;
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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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char* lpPos;
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char* lpEnd;
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int Unknown0;
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int Unknown1;
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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 WaveBlocks;
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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 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 unknown5;
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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;
|
||||
int unknown26;
|
||||
int unknown27;
|
||||
int unknown28;
|
||||
int unknown29;
|
||||
int unknown30;
|
||||
WAVEOUTCAPSA WaveoutCaps;
|
||||
int unknown44;
|
||||
int unknown45;
|
||||
int unknown46;
|
||||
int unknown47;
|
||||
int unknown48;
|
||||
int unknown49;
|
||||
int unknown50;
|
||||
int unknown51;
|
||||
int unknown52;
|
||||
int unknown53;
|
||||
int unknown54;
|
||||
int unknown55;
|
||||
int unknown56;
|
||||
int unknown57;
|
||||
int unknown58;
|
||||
int unknown59;
|
||||
int unknown60;
|
||||
CHANNELNODE* aChannel[16];
|
||||
int unknown77;
|
||||
int unknown78;
|
||||
int unknown79;
|
||||
int unknown80;
|
||||
int unknown81;
|
||||
int unknown82;
|
||||
int unknown83;
|
||||
int unknown84;
|
||||
int unknown85;
|
||||
int unknown86;
|
||||
int unknown87;
|
||||
int unknown88;
|
||||
int unknown89;
|
||||
int unknown90;
|
||||
int unknown91;
|
||||
int unknown92;
|
||||
int unknown93;
|
||||
int unknown94;
|
||||
PCMWAVEFORMAT PCM;
|
||||
int WaveBlockLen;
|
||||
int WaveBlockCount;
|
||||
int PauseBlocks;
|
||||
int unknown102;
|
||||
int unknown103;
|
||||
DWORD dwBaseTime;
|
||||
int fGoodGetPos;
|
||||
int dwWaveOutPos;
|
||||
int CmixPtr;
|
||||
void(__stdcall* pfnRemix)(DWORD, CHANNELNODE*);
|
||||
int (__stdcall* pfnSampleAdjust)(int, int);
|
||||
int unknown110;
|
||||
__int16 wMagic2;
|
||||
__int16 unknown112;
|
||||
};
|
||||
|
||||
|
||||
class WaveMix
|
||||
{
|
||||
public:
|
||||
static HANDLE Init();
|
||||
static HANDLE ConfigureInit(MIXCONFIG* lpConfig);
|
||||
static int CloseSession(HANDLE hMixSession);
|
||||
static int OpenChannel(HANDLE hMixSession, int iChannel, unsigned int dwFlags);
|
||||
static int CloseChannel(HANDLE hMixSession, int iChannel, unsigned int dwFlags);
|
||||
|
|
@ -41,4 +163,36 @@ public:
|
|||
static int Activate(HANDLE hMixSession, bool fActivate);
|
||||
static void Pump();
|
||||
static int Play(MIXPLAYPARAMS* lpMixPlayParams);
|
||||
|
||||
private:
|
||||
static GLOBALS* SessionToGlobalDataPtr(HANDLE hMixSession);
|
||||
static int Startup(HMODULE hModule);
|
||||
static int SetIniFileName(HMODULE hModule);
|
||||
static void InitChannelNodes();
|
||||
static void InitVolumeTable();
|
||||
static void ShowWaveOutDevices();
|
||||
static int RemoveInvalidIniNameCharacters(char* lpString);
|
||||
static int ReadConfigSettings(MIXCONFIG* lpConfig);
|
||||
static int ReadRegistryForAppSpecificConfigs(MIXCONFIG* lpConfig);
|
||||
static int ReadRegistryInt(HKEY hKey, LPCSTR lpSubKey, int defaultValue);
|
||||
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 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 LRESULT __stdcall WndProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam);
|
||||
|
||||
static int initialized_flag;
|
||||
static char FileName[276];
|
||||
static CHANNELNODE channel_nodes[MAXQUEUEDWAVES];
|
||||
static CHANNELNODE* free_channel_nodes;
|
||||
static char volume_table[256 * 11];
|
||||
static int debug_flag;
|
||||
static int cmixit_ptr;
|
||||
static HMODULE HModule;
|
||||
static GLOBALS* Globals;
|
||||
static PCMWAVEFORMAT gpFormat;
|
||||
static int ShowDebugDialogs;
|
||||
static char string_buffer[256];
|
||||
};
|
||||
|
|
|
|||
Loading…
Reference in New Issue