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WaveMix v1.

This commit is contained in:
oz 2021-01-24 17:30:37 +03:00
parent b0080fd80a
commit e824307b27
3 changed files with 555 additions and 1 deletions

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@ -1,9 +1,81 @@
#include "pch.h"
#include "WaveMix.h"
int WaveMix::initialized_flag;
char WaveMix::FileName[276];
CHANNELNODE WaveMix::channel_nodes[MAXQUEUEDWAVES];
CHANNELNODE* WaveMix::free_channel_nodes;
char WaveMix::volume_table[256 * 11];
int WaveMix::debug_flag;
int WaveMix::cmixit_ptr;
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;
int WaveMix::ShowDebugDialogs;
HANDLE WaveMix::Init()
{
return (HANDLE)1;
return ConfigureInit(nullptr);
}
HANDLE WaveMix::ConfigureInit(MIXCONFIG* lpConfig)
{
MIXCONFIG mixConfig{};
memset(&mixConfig, 0, 0x1Cu);
unsigned int copySize = 30;
mixConfig.RegistryKey = nullptr;
mixConfig.wSize = 30;
if (lpConfig)
{
if (lpConfig->wSize < 30u)
copySize = lpConfig->wSize;
memcpy(&mixConfig, lpConfig, copySize);
}
if (initialized_flag || Startup(GetModuleHandleA(nullptr)) != 0)
{
bool showDebugDialogs;
if ((mixConfig.dwFlags & 0x100) != 0)
showDebugDialogs = mixConfig.ShowDebugDialogs != 0;
else
showDebugDialogs = GetPrivateProfileIntA("general", "ShowDebugDialogs", 0, FileName) != 0;
ShowDebugDialogs = showDebugDialogs;
if (!waveOutGetNumDevs())
{
if (ShowDebugDialogs)
{
wsprintfA(string_buffer, "This system does not have a valid wave output device.");
MessageBoxA(nullptr, string_buffer, "WavMix32", 0x40u);
}
return nullptr;
}
if (GetPrivateProfileIntA("general", "ShowDevices", 0, FileName))
ShowWaveOutDevices();
auto globals = static_cast<GLOBALS*>(LocalAlloc(0x40u, 0x1C0u));
Globals = globals;
if (!globals)
return nullptr;
globals->CmixPtr = cmixit_ptr;
globals->wMagic2 = 21554;
globals->wMagic1 = 21554;
globals->unknown102 = 0;
globals->unknown5 = 0;
globals->unknown44 = 655370;
memset(globals->aChannel, 0xFFu, sizeof globals->aChannel);
memmove(&globals->PCM, &gpFormat, 0x10u);
if (!ReadConfigSettings(&mixConfig))
{
Globals->wMagic2 = 0;
Globals->wMagic1 = 0;
LocalFree(Globals);
Globals = nullptr;
}
return Globals;
}
return nullptr;
}
int WaveMix::CloseSession(HANDLE hMixSession)
@ -23,6 +95,52 @@ int WaveMix::CloseChannel(HANDLE hMixSession, int iChannel, unsigned dwFlags)
int WaveMix::FlushChannel(HANDLE hMixSession, int iChannel, unsigned dwFlags)
{
int channelId;
int lastChannel;
int remixFlag = 0;
auto globals = SessionToGlobalDataPtr(hMixSession);
Globals = globals;
if (!globals)
return 5;
if ((dwFlags & 1) != 0)
{
channelId = 0;
lastChannel = 16;
}
else
{
channelId = iChannel;
if (iChannel < 0 || iChannel >= 16)
return 11;
if (globals->aChannel[iChannel] == reinterpret_cast<CHANNELNODE*>(-1))
return 5;
lastChannel = iChannel + 1;
if (iChannel >= lastChannel)
return 0;
}
for (auto index = channelId; index < lastChannel; index++)
{
auto curChannel = globals->aChannel[index];
if (curChannel != reinterpret_cast<CHANNELNODE*>(-1))
{
globals->aChannel[index] = nullptr;
remixFlag |= curChannel != nullptr;
while (curChannel)
{
auto tmp = curChannel->next;
FreeChannelNode(curChannel);
curChannel = tmp;
}
}
}
if (remixFlag && (dwFlags & 2) == 0 && globals->fActive)
{
globals->pfnRemix(MyWaveOutGetPosition(globals->hWaveOut, globals->fGoodGetPos), nullptr);
}
return 0;
}
@ -49,3 +167,285 @@ int WaveMix::Play(MIXPLAYPARAMS* lpMixPlayParams)
{
return 0;
}
GLOBALS* WaveMix::SessionToGlobalDataPtr(HANDLE hMixSession)
{
auto globals = static_cast<GLOBALS*>(hMixSession);
if (hMixSession && globals->wMagic1 == 21554 && globals->wMagic2 == 21554)
return globals;
MessageBeep(0xFFFFFFFF);
wsprintfA(string_buffer, "Invalid session handle 0x%04X passed to WaveMix API", hMixSession);
MessageBoxA(nullptr, string_buffer, "WavMix32", 0x30u);
return nullptr;
}
int WaveMix::Startup(HMODULE hModule)
{
WNDCLASSA WndClass;
if (initialized_flag)
return 1;
if (!SetIniFileName(hModule))
return 0;
InitVolumeTable();
debug_flag = GetPrivateProfileIntA("general", "debug", 0, FileName);
cmixit_ptr = (int)cmixit;
HModule = hModule;
WndClass.hCursor = LoadCursorA(nullptr, IDC_ARROW);
WndClass.hIcon = nullptr;
WndClass.lpszMenuName = nullptr;
WndClass.lpszClassName = "WavMix32";
WndClass.hbrBackground = static_cast<HBRUSH>(GetStockObject(1));
WndClass.hInstance = HModule;
WndClass.style = 0;
WndClass.lpfnWndProc = WndProc;
WndClass.cbWndExtra = 0;
WndClass.cbClsExtra = 0;
if (!RegisterClassA(&WndClass))
return 0;
InitChannelNodes();
initialized_flag = 1;
return 1;
}
int WaveMix::SetIniFileName(HMODULE hModule)
{
int result = GetModuleFileNameA(hModule, FileName, 0x104u);
if (result)
{
char* i;
for (i = &FileName[result]; *i != '\\'; --i)
{
}
*i = 0;
lstrcpyA(i, "\\WAVEMIX.INF");
result = 1;
}
return result;
}
void WaveMix::InitChannelNodes()
{
CHANNELNODE* channelPtr = channel_nodes;
do
{
channelPtr->next = channelPtr + 1;
++channelPtr;
}
while (channelPtr < &channel_nodes[MAXQUEUEDWAVES - 2]);
channel_nodes[MAXQUEUEDWAVES - 1].next = nullptr;
free_channel_nodes = channel_nodes;
}
void WaveMix::InitVolumeTable()
{
int index2 = 0;
int index3Sub = 0;
char* tablePtr = &volume_table[128];
do
{
int index1 = -128;
int divSmth = index3Sub;
do
{
tablePtr[index1] = static_cast<char>(divSmth / 10 + 128);
divSmth += index2;
++index1;
}
while (index1 < 128);
++index2;
index3Sub -= 128;
tablePtr += 256;
}
while (tablePtr <= &volume_table[2688]);
}
void WaveMix::ShowWaveOutDevices()
{
tagWAVEOUTCAPSA pwoc{};
auto deviceCount = waveOutGetNumDevs();
if (deviceCount)
{
wsprintfA(string_buffer, "%d waveOut Devices have been detected on your system.", deviceCount);
MessageBoxA(nullptr, string_buffer, "WavMix32", 0x40u);
for (auto uDeviceID = 0u; uDeviceID < deviceCount; ++uDeviceID)
{
if (!waveOutGetDevCapsA(uDeviceID, &pwoc, 0x34u) && RemoveInvalidIniNameCharacters(pwoc.szPname))
wsprintfA(
string_buffer,
"Device %i: %s\n\tVersion %u.%u",
uDeviceID,
pwoc.szPname,
HIBYTE(pwoc.vDriverVersion),
LOBYTE(pwoc.vDriverVersion));
else
wsprintfA(string_buffer, "waveOutGetDevCaps failed (err %u) for device %d", 1, uDeviceID);
MessageBoxA(nullptr, string_buffer, "WavMix32", 0x40u);
}
}
}
int WaveMix::RemoveInvalidIniNameCharacters(char* lpString)
{
auto stringPtr = lpString;
if (!lpString || !*lpString)
return 0;
do
{
if (!isalnum(*stringPtr) && !isspace(*stringPtr))
break;
++stringPtr;
}
while (*stringPtr);
do
*stringPtr-- = 0;
while (stringPtr >= lpString && isspace(*stringPtr));
return lstrlenA(lpString);
}
int WaveMix::ReadConfigSettings(MIXCONFIG* lpConfig)
{
auto waveDeviceCount = waveOutGetNumDevs();
if (!waveDeviceCount)
return 0;
if ((lpConfig->dwFlags & 0x400) != 0 && ReadRegistryForAppSpecificConfigs(lpConfig))
{
Configure(Globals, nullptr, lpConfig, nullptr, 0);
return 1;
}
return 1;
}
int WaveMix::ReadRegistryForAppSpecificConfigs(MIXCONFIG* lpConfig)
{
HKEY phkResult;
CHAR SubKey[52];
DWORD dwFlags = lpConfig->dwFlags;
if ((dwFlags & 0x400) == 0 || !lpConfig->RegistryKey)
return 0;
if ((dwFlags & 0x80u) == 0)
{
lpConfig->wDeviceID = Globals->wDeviceID;
}
else if (lpConfig->wDeviceID >= waveOutGetNumDevs())
{
lpConfig->wDeviceID = 0;
}
wsprintfA(SubKey, "WaveMix\\Device%u", lpConfig->wDeviceID);
if (RegOpenKeyA(lpConfig->RegistryKey, SubKey, &phkResult))
return 0;
if ((dwFlags & 1) == 0)
lpConfig->wChannels = ReadRegistryInt(phkResult, "Channels", 1);
if ((dwFlags & 2) == 0)
lpConfig->wSamplingRate = ReadRegistryInt(phkResult, "SamplesPerSec", 11);
if ((dwFlags & 4) == 0)
lpConfig->WaveBlocks = static_cast<short>(ReadRegistryInt(phkResult, "WaveBlocks", 3));
if ((dwFlags & 8) == 0)
lpConfig->WaveBlockLen = static_cast<short>(ReadRegistryInt(phkResult, "WaveBlockLen", 0));
lpConfig->CmixPtrDefaultFlag = 1;
if ((dwFlags & 0x20) == 0)
lpConfig->ResetMixDefaultFlag = static_cast<unsigned __int16>(ReadRegistryInt(phkResult, "Remix", 1)) != 2;
if ((dwFlags & 0x40) == 0)
{
int defaultGoodWavePos = DefaultGoodWavePos(lpConfig->wDeviceID);
lpConfig->GoodWavePos = static_cast<unsigned __int16>(ReadRegistryInt(
phkResult, "GoodWavePos", defaultGoodWavePos)) != 0;
}
if ((dwFlags & 0x100) == 0)
lpConfig->ShowDebugDialogs = static_cast<short>(ReadRegistryInt(phkResult, "ShowDebugDialogs", 0));
if ((dwFlags & 0x200) == 0)
{
int defaultPauseBlocks = DefaultPauseBlocks(static_cast<unsigned __int16>(lpConfig->WaveBlocks));
lpConfig->PauseBlocks = static_cast<short>(ReadRegistryInt(phkResult, "PauseBlocks", defaultPauseBlocks));
}
lpConfig->dwFlags = 1023;
waveOutGetDevCapsA(lpConfig->wDeviceID, &Globals->WaveoutCaps, 0x34u);
RegCloseKey(phkResult);
return 1;
}
int WaveMix::ReadRegistryInt(HKEY hKey, LPCSTR lpSubKey, int defaultValue)
{
int result;
LONG cbData = 10;
char Data[12];
if (!hKey || RegQueryValueA(hKey, lpSubKey, Data, &cbData))
result = defaultValue;
else
result = atol(Data);
return result;
}
int WaveMix::DefaultGoodWavePos(unsigned uDeviceID)
{
int result;
struct tagWAVEOUTCAPSA pwoc{};
auto deviceCount = waveOutGetNumDevs();
if (uDeviceID > deviceCount || (uDeviceID & 0x80000000) != 0 ||
!deviceCount || waveOutGetDevCapsA(uDeviceID, &pwoc, 0x34u))
{
result = 0;
}
else
{
result = (LOBYTE(pwoc.dwSupport) >> 5) & 1;
}
return result;
}
#pragma warning (disable : 4996)/*Original uses GetVersion*/
int WaveMix::DefaultPauseBlocks(int waveBlocks)
{
int result;
if (GetVersion() < 0x80000000 || static_cast<unsigned __int8>(GetVersion()) < 4u)
result = waveBlocks;
else
result = 0;
return result;
}
#pragma warning (default : 4996)
int WaveMix::Configure(GLOBALS* hMixSession, HWND hWndParent, MIXCONFIG* lpConfig, int* flag1Ptr, int saveConfigFlag)
{
return 1;
}
unsigned WaveMix::MyWaveOutGetPosition(HWAVEOUT hwo, int fGoodGetPos)
{
mmtime_tag pmmt{};
if (!fGoodGetPos)
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);
}
void WaveMix::FreeChannelNode(CHANNELNODE* channel)
{
if (channel)
{
channel->next = free_channel_nodes;
free_channel_nodes = channel;
}
}
short WaveMix::cmixit(BYTE* a1, char* a2, char* a3, int a4, unsigned short a5)
{
return 0;
}
LRESULT WaveMix::WndProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
{
if (Msg != 957 && Msg != 1024)
return DefWindowProcA(hWnd, Msg, wParam, lParam);
Pump();
return 0;
}

View file

@ -8,6 +8,7 @@
#define WMIX_WAIT 0x08
#define MAXCHANNELS 16
#define MAXQUEUEDWAVES 100
struct MIXWAVE
{
@ -28,10 +29,131 @@ struct MIXPLAYPARAMS
WORD wLoops;
};
struct CHANNELNODE
{
CHANNELNODE* next;
MIXPLAYPARAMS PlayParams;
MIXWAVE* lpMixWave;
DWORD dwNumSamples;
DWORD dwStartPos;
DWORD dwEndPos;
char* lpPos;
char* lpEnd;
int Unknown0;
int Unknown1;
};
struct MIXCONFIG
{
WORD wSize;
DWORD dwFlags;
WORD wChannels;
WORD wSamplingRate;
__int16 WaveBlocks;
__int16 WaveBlockLen;
__int16 CmixPtrDefaultFlag;
unsigned __int16 ResetMixDefaultFlag;
unsigned __int16 GoodWavePos;
unsigned __int16 wDeviceID;
__int16 PauseBlocks;
__int16 ShowDebugDialogs;
HKEY RegistryKey;
};
struct GLOBALS
{
WORD wMagic1;
__int16 unknown0;
int unknown1;
int unknown2;
HWAVEOUT hWaveOut;
int fActive;
int unknown5;
unsigned int wDeviceID;
int unknown7;
int unknown8;
int unknown9;
int unknown10;
int unknown11;
int unknown12;
int unknown13;
int unknown14;
int unknown15;
int unknown16;
int unknown17;
int unknown18;
int unknown19;
int unknown20;
int unknown21;
int unknown22;
int unknown23;
int unknown24;
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];
};