WaveMix v4.
This commit is contained in:
oz
parent
2945069de0
commit
77f3f52e0d
Binary file not shown.
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@ -7,7 +7,7 @@ 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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unsigned char WaveMix::volume_table[11][256];
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int WaveMix::debug_flag;
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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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@ -71,7 +71,8 @@ HANDLE WaveMix::ConfigureInit(MIXCONFIG* lpConfig)
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globals->wMagic1 = 21554;
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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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globals->DefaultVolume.L = 10;
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globals->DefaultVolume.R = 10;
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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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@ -89,17 +90,99 @@ HANDLE WaveMix::ConfigureInit(MIXCONFIG* lpConfig)
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int WaveMix::CloseSession(HANDLE hMixSession)
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{
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Globals = SessionToGlobalDataPtr(hMixSession);
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if (!Globals)
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return 5;
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Activate(hMixSession, false);
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CloseChannel(hMixSession, 0, 1);
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memset(Globals, 0, sizeof(GLOBALS));
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Globals = nullptr;
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if (!hMixSession || !LocalFree(hMixSession))
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return 5;
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return 0;
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}
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int WaveMix::OpenChannel(HANDLE hMixSession, int iChannel, unsigned dwFlags)
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{
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GLOBALS* 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 > 2)
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return 10;
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if (dwFlags == 2 && (iChannel > 16 || iChannel < 1))
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return 11;
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if (dwFlags == 0 && iChannel >= 16)
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return 11;
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if (dwFlags)
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{
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if (dwFlags == 1)
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iChannel = 16;
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for (auto index = iChannel - 1; index >= 0; --index)
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{
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if (globals->aChannel[index] == reinterpret_cast<CHANNELNODE*>(-1))
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{
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globals->aChannel[index] = nullptr;
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globals->ChannelVolume[index].L = globals->DefaultVolume.L;
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globals->ChannelVolume[index].R = globals->DefaultVolume.R;
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++globals->iChannels;
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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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if (globals->aChannel[iChannel] != reinterpret_cast<CHANNELNODE*>(-1))
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return 4;
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globals->aChannel[iChannel] = nullptr;
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globals->ChannelVolume[iChannel].L = globals->DefaultVolume.L;
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globals->ChannelVolume[iChannel].R = globals->DefaultVolume.R;
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++globals->iChannels;
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}
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return 0;
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}
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int WaveMix::CloseChannel(HANDLE hMixSession, int iChannel, unsigned dwFlags)
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{
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return 0;
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Globals = SessionToGlobalDataPtr(hMixSession);
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if (!Globals)
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return 5;
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int minChannel = iChannel, maxChannel;
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int result = FlushChannel(hMixSession, iChannel, dwFlags | 2);
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if (!result)
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{
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if ((dwFlags & 1) != 0)
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{
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minChannel = 0;
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maxChannel = 16;
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}
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else
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{
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maxChannel = iChannel + 1;
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if (iChannel >= maxChannel)
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return 0;
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}
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CHANNELNODE** channelPtr = &Globals->aChannel[minChannel];
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int index = maxChannel - minChannel;
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do
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{
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if (*channelPtr != reinterpret_cast<CHANNELNODE*>(-1))
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{
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*channelPtr = reinterpret_cast<CHANNELNODE*>(-1);
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--Globals->iChannels;
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}
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++channelPtr;
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--index;
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}
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while (index);
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return 0;
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}
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return result;
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}
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int WaveMix::FlushChannel(HANDLE hMixSession, int iChannel, unsigned dwFlags)
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@ -155,11 +238,273 @@ int WaveMix::FlushChannel(HANDLE hMixSession, int iChannel, unsigned dwFlags)
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MIXWAVE* WaveMix::OpenWave(HANDLE hMixSession, LPCSTR szWaveFilename, HINSTANCE hInst, unsigned dwFlags)
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{
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return new MIXWAVE{};
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_MMIOINFO pmmioinfo;
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_MMCKINFO pmmcki, pmmFmt;
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HWAVEOUT phwo;
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WAVEFORMATEX pwfx;
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HMMIO hMmio = nullptr;
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HGLOBAL hResData = nullptr;
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HPSTR wavBuffer3 = nullptr;
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auto globals = SessionToGlobalDataPtr(hMixSession);
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pwfx.wFormatTag = globals->PCM.wf.wFormatTag;
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pwfx.nChannels = globals->PCM.wf.nChannels;
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pwfx.nSamplesPerSec = globals->PCM.wf.nSamplesPerSec;
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pwfx.nAvgBytesPerSec = globals->PCM.wf.nAvgBytesPerSec;
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Globals = globals;
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pwfx.nBlockAlign = globals->PCM.wf.nBlockAlign;
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pwfx.wBitsPerSample = globals->PCM.wBitsPerSample;
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pwfx.cbSize = 0;
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if (waveOutOpen(&phwo, 0xFFFFFFFF, &pwfx, 0, 0, 1u))
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{
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if (ShowDebugDialogs)
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MessageBoxA(nullptr, "The waveform device can't play this format.", "WavMix32", 0x30u);
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return nullptr;
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}
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auto mixWave = static_cast<MIXWAVE*>(GlobalLock(GlobalAlloc(0x2040u, 0x42u)));
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if (!mixWave)
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{
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if (ShowDebugDialogs)
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MessageBoxA(
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nullptr,
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"Unable to allocate memory for waveform data. Try making more memory available by closing other applications.",
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"WavMix32",
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0x40u);
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return nullptr;
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}
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do
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{
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if ((dwFlags & 2) != 0)
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{
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HRSRC hrsc = FindResourceA(hInst, szWaveFilename, "WAVE");
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if (!hrsc || (hResData = LoadResource(hInst, hrsc)) == nullptr)
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{
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if (HIWORD(szWaveFilename))
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wsprintfA(string_buffer, "Failed to open 'WAVE' resource '%s'.", szWaveFilename);
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else
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wsprintfA(string_buffer, "Failed to open 'WAVE' resource %u.", LOWORD(szWaveFilename));
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if (ShowDebugDialogs)
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MessageBoxA(nullptr, string_buffer, "WavMix32", 0x30u);
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break;
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}
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memset(&pmmioinfo, 0, sizeof(pmmioinfo));
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pmmioinfo.pchBuffer = static_cast<HPSTR>(LockResource(hResData));
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if (!pmmioinfo.pchBuffer)
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{
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if (ShowDebugDialogs)
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MessageBoxA(nullptr, "Failed to lock 'WAVE' resource", "WavMix32", 0x30u);
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FreeResource(hResData);
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hResData = nullptr;
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break;
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}
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pmmioinfo.cchBuffer = SizeofResource(hInst, hrsc);
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pmmioinfo.fccIOProc = FOURCC_MEM;
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pmmioinfo.adwInfo[0] = 0;
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hMmio = mmioOpenA(nullptr, &pmmioinfo, 0);
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if (!hMmio)
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{
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if (ShowDebugDialogs)
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{
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wsprintfA(string_buffer,
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"Failed to open resource, mmioOpen error=%u.\nMay need to make sure resource is marked read-write",
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pmmioinfo.wErrorRet);
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MessageBoxA(nullptr, string_buffer, "WavMix32", 0x30u);
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}
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break;
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}
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}
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else if ((dwFlags & 4) != 0)
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{
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memcpy(&pmmioinfo, szWaveFilename, sizeof(pmmioinfo));
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hMmio = mmioOpenA(nullptr, &pmmioinfo, 0);
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if (!hMmio)
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{
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if (ShowDebugDialogs)
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{
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wsprintfA(string_buffer,
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"Failed to open memory file, mmioOpen error=%u.\nMay need to make sure memory is read-write",
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pmmioinfo.wErrorRet);
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MessageBoxA(nullptr, string_buffer, "WavMix32", 0x30u);
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}
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break;
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}
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}
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else
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{
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hMmio = mmioOpenA(const_cast<LPSTR>(szWaveFilename), nullptr, 0x10000u);
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if (!hMmio)
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{
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if (ShowDebugDialogs)
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{
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wsprintfA(string_buffer, "Failed to open wave file %s.", szWaveFilename);
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MessageBoxA(nullptr, string_buffer, "WavMix32", 0x30u);
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}
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break;
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}
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}
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pmmcki.fccType = mmioFOURCC('W', 'A', 'V', 'E');
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if (mmioDescend(hMmio, &pmmcki, nullptr, 0x20u))
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{
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if (ShowDebugDialogs)
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MessageBoxA(nullptr, "This is not a WAVE file.", "WavMix32", 0x30u);
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break;
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}
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pmmFmt.ckid = mmioFOURCC('f', 'm', 't', ' ');
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if (mmioDescend(hMmio, &pmmFmt, &pmmcki, 0x10u))
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{
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if (ShowDebugDialogs)
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MessageBoxA(nullptr, "WAVE file is corrupted.", "WavMix32", 0x30u);
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break;
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}
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if (mmioRead(hMmio, (HPSTR)mixWave, 16) != 16)
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{
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if (ShowDebugDialogs)
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MessageBoxA(nullptr, "Failed to read format chunk.", "WavMix32", 0x30u);
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break;
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}
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if (mixWave->pcm.wf.wFormatTag != 1)
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{
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if (ShowDebugDialogs)
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MessageBoxA(nullptr, "The file is not a PCM file.", "WavMix32", 0x30u);
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break;
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}
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mmioAscend(hMmio, &pmmFmt, 0);
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pmmFmt.ckid = mmioFOURCC('d', 'a', 't', 'a');
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if (mmioDescend(hMmio, &pmmFmt, &pmmcki, 0x10u))
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{
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if (ShowDebugDialogs)
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MessageBoxA(nullptr, "WAVE file has no data chunk.", "WavMix32", 0x30u);
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break;
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}
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auto dataSize = pmmFmt.cksize;
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if (!pmmFmt.cksize)
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{
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if (ShowDebugDialogs)
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MessageBoxA(nullptr, "The data chunk has no data.", "WavMix32", 0x30u);
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break;
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}
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auto lpData = static_cast<HPSTR>(GlobalLock(GlobalAlloc(0x2002u, pmmFmt.cksize)));
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if (!lpData)
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{
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if (ShowDebugDialogs)
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MessageBoxA(
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nullptr,
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"Unable to allocate memory for waveform data. Try making more memory available by closing other applications.",
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"WavMix32",
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0x40u);
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break;
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}
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auto readCount = mmioRead(hMmio, lpData, dataSize);
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if (readCount != static_cast<LONG>(dataSize))
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{
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if (ShowDebugDialogs)
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MessageBoxA(nullptr, "Failed to read data chunk.", "WavMix32", 0x30u);
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break;
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}
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lpData = WaveFormatConvert(&Globals->PCM, &mixWave->pcm, lpData, &dataSize);
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if (!lpData)
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{
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if (ShowDebugDialogs)
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MessageBoxA(nullptr, "Failed to convert wave format.", "WavMix32", 0x30u);
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break;
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}
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mmioClose(hMmio, 0);
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if (hResData)
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FreeResource(hResData);
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mixWave->wh.dwBufferLength = dataSize;
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mixWave->wh.lpData = lpData;
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mixWave->wh.dwFlags = 0;
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mixWave->wh.dwLoops = 0;
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mixWave->wh.dwUser = 0;
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mixWave->wMagic = 21554;
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memmove(mixWave, &Globals->PCM, 0x10u);
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if (HIWORD(szWaveFilename))
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{
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auto fileNameLength = lstrlenA(szWaveFilename);
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int copyOffset = fileNameLength > 15 ? fileNameLength - 15 : 0;
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lstrcpyA(mixWave->szWaveFilename, &szWaveFilename[copyOffset]);
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}
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else
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{
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wsprintfA(mixWave->szWaveFilename, "res#%u", LOWORD(szWaveFilename));
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}
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return mixWave;
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}
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while (false);
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if (hMmio)
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mmioClose(hMmio, 0);
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GlobalUnlock(GlobalHandle(mixWave));
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GlobalFree(GlobalHandle(mixWave));
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if (wavBuffer3)
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{
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GlobalUnlock(GlobalHandle(wavBuffer3));
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GlobalFree(GlobalHandle(wavBuffer3));
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}
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if (hResData)
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FreeResource(hResData);
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return nullptr;
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}
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int WaveMix::FreeWave(HANDLE hMixSession, MIXWAVE* lpMixWave)
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{
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GLOBALS* globals = SessionToGlobalDataPtr(hMixSession);
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if (!globals)
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return 5;
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if (!IsValidLPMIXWAVE(lpMixWave))
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return 5;
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CHANNELNODE** channelPtr = globals->aChannel;
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for (auto index = 16; index; --index)
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{
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CHANNELNODE* channel = *channelPtr;
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if (channel != reinterpret_cast<CHANNELNODE*>(-1))
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{
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CHANNELNODE* prevChannel = nullptr;
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while (channel)
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{
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if (channel->lpMixWave == lpMixWave)
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{
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if (prevChannel)
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{
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prevChannel->next = channel->next;
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FreeChannelNode(channel);
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channel = prevChannel->next;
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}
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else
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{
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channel = channel->next;
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FreeChannelNode(channel);
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*channelPtr = channel;
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}
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}
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else
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{
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prevChannel = channel;
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channel = channel->next;
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}
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}
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}
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++channelPtr;
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}
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if (lpMixWave->wh.lpData)
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{
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GlobalUnlock(GlobalHandle(lpMixWave->wh.lpData));
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GlobalFree(GlobalHandle(lpMixWave->wh.lpData));
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}
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lpMixWave->wMagic = 0;
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GlobalUnlock(GlobalHandle(lpMixWave));
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GlobalFree(GlobalHandle(lpMixWave));
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return 0;
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}
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@ -206,6 +551,24 @@ int WaveMix::Activate(HANDLE hMixSession, bool fActivate)
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void WaveMix::Pump()
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{
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Globals = GlobalsActive;
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if (GlobalsActive)
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{
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auto xHDR = play_queue.first;
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while (xHDR)
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{
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if ((xHDR->wh.dwFlags & 1) != 0)
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{
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RemoveFromPlayingQueue(xHDR);
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xHDR->fAvailable = 1;
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xHDR = play_queue.first;
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}
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else
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xHDR = xHDR->QNext;
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}
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FreePlayedBlocks();
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while (MixerPlay(GetWaveBlock(), 1));
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}
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}
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int WaveMix::Play(MIXPLAYPARAMS* lpMixPlayParams)
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@ -285,25 +648,17 @@ void WaveMix::InitChannelNodes()
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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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for (auto volume = 0; volume < 11; volume++)
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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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auto tablePtr = &volume_table[volume][0];
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for (auto divSmth = index3Sub, sample = 0; sample < 256; ++sample)
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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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tablePtr[sample] = static_cast<unsigned char>(divSmth / 10 + 128);
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divSmth += volume;
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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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@ -1574,9 +1929,399 @@ void WaveMix::ReleaseWaveDevice(GLOBALS* globals)
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}
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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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HPSTR WaveMix::WaveFormatConvert(PCMWAVEFORMAT* lpOutWF, PCMWAVEFORMAT* lpInWF, HPSTR lpInData, DWORD* dwDataSize)
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{
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if (lpInWF->wf.nChannels == lpOutWF->wf.nChannels &&
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lpInWF->wf.nSamplesPerSec == lpOutWF->wf.nSamplesPerSec &&
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lpInWF->wBitsPerSample == lpOutWF->wBitsPerSample)
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{
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return lpInData;
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}
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HPSTR dataBuf = BitsPerSampleAlign(lpInData, lpInWF->wBitsPerSample, lpOutWF->wBitsPerSample, dwDataSize);
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if (!dataBuf)
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return nullptr;
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dataBuf = ChannelAlign(dataBuf, lpInWF->wf.nChannels, lpOutWF->wf.nChannels, lpOutWF->wBitsPerSample / 8,
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dwDataSize);
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if (!dataBuf)
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return nullptr;
|
||||
dataBuf = SamplesPerSecAlign(dataBuf, lpInWF->wf.nSamplesPerSec, lpOutWF->wf.nSamplesPerSec,
|
||||
lpOutWF->wBitsPerSample / 8, lpOutWF->wf.nChannels, dwDataSize);
|
||||
return dataBuf;
|
||||
}
|
||||
|
||||
HPSTR WaveMix::BitsPerSampleAlign(HPSTR lpInData, WORD nInBPS, WORD nOutBPS, DWORD* dwDataSize)
|
||||
{
|
||||
LPVOID dataBuf = nullptr;
|
||||
|
||||
if (nInBPS == nOutBPS)
|
||||
return lpInData;
|
||||
|
||||
if ((nInBPS == 8 || nInBPS == 16) && (nOutBPS == 8 || nOutBPS == 16))
|
||||
{
|
||||
DWORD dwNumSamples = *dwDataSize / (nInBPS / 8u);
|
||||
*dwDataSize = dwNumSamples * (nOutBPS / 8u);
|
||||
|
||||
dataBuf = GlobalLock(GlobalAlloc(0x2002u, *dwDataSize));
|
||||
if (dataBuf)
|
||||
{
|
||||
if (nInBPS / 8u <= nOutBPS / 8u)
|
||||
{
|
||||
auto dst = static_cast<__int16*>(dataBuf);
|
||||
for (auto src = lpInData; dwNumSamples; --dwNumSamples)
|
||||
*dst++ = static_cast<short>((*src++ - 128) * 256);
|
||||
}
|
||||
else
|
||||
{
|
||||
auto dst = static_cast<char*>(dataBuf);
|
||||
for (auto src = reinterpret_cast<__int16*>(lpInData); dwNumSamples; --dwNumSamples)
|
||||
{
|
||||
*dst++ = static_cast<char>(*src++ / 256 + 128);
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (ShowDebugDialogs)
|
||||
MessageBoxA(
|
||||
nullptr,
|
||||
"Unable to allocate memory for waveform data. Try making more memory available by closing other applications.",
|
||||
"WavMix32",
|
||||
0x40u);
|
||||
}
|
||||
}
|
||||
|
||||
GlobalUnlock(GlobalHandle(lpInData));
|
||||
GlobalFree(GlobalHandle(lpInData));
|
||||
return static_cast<HPSTR>(dataBuf);
|
||||
}
|
||||
|
||||
HPSTR WaveMix::ChannelAlign(HPSTR lpInData, WORD nInChannels, WORD nOutChannels, WORD nBytesPerSample,
|
||||
DWORD* dwDataSize)
|
||||
{
|
||||
if (nInChannels == nOutChannels)
|
||||
return lpInData;
|
||||
DWORD dwNumSamples = *dwDataSize / nBytesPerSample / nInChannels;
|
||||
*dwDataSize = dwNumSamples * nBytesPerSample * nOutChannels;
|
||||
char* dataBuf = static_cast<char*>(GlobalLock(GlobalAlloc(0x2002u, *dwDataSize)));
|
||||
if (dataBuf)
|
||||
{
|
||||
if (nInChannels < nOutChannels)
|
||||
{
|
||||
if (nBytesPerSample == 1)
|
||||
{
|
||||
auto src = lpInData;
|
||||
auto dst = dataBuf;
|
||||
for (; dwNumSamples; --dwNumSamples)
|
||||
{
|
||||
*dst++ = *src;
|
||||
*dst++ = *src++;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
auto src = reinterpret_cast<short*>(lpInData);
|
||||
auto dst = reinterpret_cast<short*>(dataBuf);
|
||||
for (; dwNumSamples; --dwNumSamples)
|
||||
{
|
||||
*dst++ = *src;
|
||||
*dst++ = *src++;
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (nBytesPerSample == 1)
|
||||
{
|
||||
auto src = reinterpret_cast<unsigned char*>(lpInData);
|
||||
auto dst = reinterpret_cast<unsigned char*>(dataBuf);
|
||||
for (; dwNumSamples; --dwNumSamples, src += 2)
|
||||
{
|
||||
*dst++ = static_cast<unsigned char>((src[0] + src[1]) / 2);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
auto src = reinterpret_cast<__int16*>(lpInData);
|
||||
auto dst = reinterpret_cast<__int16*>(dataBuf);
|
||||
for (; dwNumSamples; --dwNumSamples, src += 2)
|
||||
{
|
||||
*dst++ = static_cast<short>((src[0] + src[1]) / 2);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (ShowDebugDialogs)
|
||||
MessageBoxA(
|
||||
nullptr,
|
||||
"Unable to allocate memory for waveform data. Try making more memory available by closing other applications.",
|
||||
"WavMix32",
|
||||
0x40u);
|
||||
dataBuf = nullptr;
|
||||
}
|
||||
|
||||
GlobalUnlock(GlobalHandle(lpInData));
|
||||
GlobalFree(GlobalHandle(lpInData));
|
||||
return dataBuf;
|
||||
}
|
||||
|
||||
HPSTR WaveMix::SamplesPerSecAlign(HPSTR lpInData, DWORD nInSamplesPerSec, DWORD nOutSamplesPerSec, WORD nBytesPerSample,
|
||||
WORD nChannels, DWORD* dwDataSize)
|
||||
{
|
||||
if (nInSamplesPerSec == nOutSamplesPerSec)
|
||||
return lpInData;
|
||||
auto sampleSize = nBytesPerSample * nChannels;
|
||||
auto dwNumSamples = *dwDataSize / sampleSize;
|
||||
unsigned int nRep, nSkip, dwNumSamples2;
|
||||
if (nOutSamplesPerSec <= nInSamplesPerSec)
|
||||
{
|
||||
nRep = 0;
|
||||
nSkip = nInSamplesPerSec / nOutSamplesPerSec;
|
||||
dwNumSamples2 = dwNumSamples / nSkip;
|
||||
}
|
||||
else
|
||||
{
|
||||
nSkip = 0;
|
||||
nRep = nOutSamplesPerSec / nInSamplesPerSec;
|
||||
dwNumSamples2 = dwNumSamples * nRep;
|
||||
}
|
||||
*dwDataSize = sampleSize * dwNumSamples2;
|
||||
|
||||
auto dataBuf = static_cast<char*>(GlobalLock(GlobalAlloc(0x2002u, sampleSize * dwNumSamples2)));
|
||||
if (!dataBuf)
|
||||
{
|
||||
if (ShowDebugDialogs)
|
||||
MessageBoxA(
|
||||
nullptr,
|
||||
"Unable to allocate memory for waveform data. Try making more memory available by closing other applications.",
|
||||
"WavMix32",
|
||||
0x40u);
|
||||
GlobalUnlock(GlobalHandle(lpInData));
|
||||
GlobalFree(GlobalHandle(lpInData));
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
auto lpInDataBup = lpInData;
|
||||
auto dataBufBup = dataBuf;
|
||||
if (nRep <= 0)
|
||||
{
|
||||
for (auto index = dwNumSamples2 - 1; index; --index)
|
||||
{
|
||||
AvgSample(dataBuf, lpInData, nSkip, nBytesPerSample, nChannels);
|
||||
lpInData += sampleSize * nSkip;
|
||||
dataBuf += sampleSize;
|
||||
}
|
||||
for (; sampleSize; --sampleSize)
|
||||
*dataBuf++ = *lpInData++;
|
||||
}
|
||||
else
|
||||
{
|
||||
for (auto index = dwNumSamples - 1; index; --index)
|
||||
{
|
||||
RepSample(dataBuf, lpInData, nRep, nBytesPerSample, nChannels);
|
||||
lpInData += sampleSize;
|
||||
dataBuf += sampleSize * nRep;
|
||||
}
|
||||
for (auto index1 = nRep; index1; --index1)
|
||||
{
|
||||
auto src = lpInData;
|
||||
for (auto index2 = sampleSize; index2; --index2)
|
||||
*dataBuf++ = *src++;
|
||||
}
|
||||
}
|
||||
|
||||
GlobalUnlock(GlobalHandle(lpInDataBup));
|
||||
GlobalFree(GlobalHandle(lpInDataBup));
|
||||
return dataBufBup;
|
||||
}
|
||||
|
||||
void WaveMix::AvgSample(HPSTR lpOutData, HPSTR lpInData, unsigned nSkip, int nBytesPerSample, int nChannels)
|
||||
{
|
||||
if (nBytesPerSample == 1)
|
||||
{
|
||||
auto dst = lpOutData;
|
||||
for (auto channelIndex = nChannels; channelIndex; --channelIndex)
|
||||
{
|
||||
auto src = lpInData++;
|
||||
auto average = 0;
|
||||
for (auto avgIndex = nSkip; avgIndex; --avgIndex)
|
||||
{
|
||||
average += static_cast<unsigned __int8>(*src) - 128;
|
||||
src += nChannels;
|
||||
}
|
||||
*dst++ = static_cast<char>(average / nSkip + 128);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
auto src = reinterpret_cast<__int16*>(lpInData);
|
||||
auto dst = reinterpret_cast<__int16*>(lpOutData);
|
||||
for (auto channelIndex = nChannels; channelIndex; --channelIndex)
|
||||
{
|
||||
auto curSrc = src++;
|
||||
auto average2 = 0;
|
||||
for (auto avgIndex = nSkip; avgIndex; --avgIndex)
|
||||
{
|
||||
average2 += *curSrc;
|
||||
curSrc += nChannels;
|
||||
}
|
||||
*dst++ = static_cast<short>(average2 / nSkip); /*Was *dst = */
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void WaveMix::RepSample(HPSTR lpOutData, HPSTR lpInData, unsigned nRep, int nBytesPerSample, int nChannels)
|
||||
{
|
||||
if (nBytesPerSample == 1)
|
||||
{
|
||||
auto src = reinterpret_cast<unsigned __int8*>(lpInData);
|
||||
auto dst = reinterpret_cast<unsigned __int8*>(lpOutData);
|
||||
for (auto channelIndex = nChannels; channelIndex; --channelIndex)
|
||||
{
|
||||
auto sample = *src;
|
||||
auto dst2 = &dst[nChannels];
|
||||
auto delta = (src[nChannels] - src[0]) / nRep;
|
||||
*dst = *src;
|
||||
dst++;
|
||||
for (auto repeatIndex = nRep - 1; repeatIndex; repeatIndex--)
|
||||
{
|
||||
sample += delta;
|
||||
*dst2 = sample;
|
||||
dst2 += nChannels;
|
||||
}
|
||||
++src;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
auto src = reinterpret_cast<__int16*>(lpInData);
|
||||
auto dst = reinterpret_cast<__int16*>(lpOutData);
|
||||
for (auto channelIndex2 = nChannels; channelIndex2; channelIndex2--)
|
||||
{
|
||||
auto sample = *src;
|
||||
auto dst2 = &dst[nChannels];
|
||||
auto delta = (src[nChannels] - src[0]) / nRep; /*Was dst[nChannels] - */
|
||||
*dst = *src;
|
||||
++dst;
|
||||
for (auto repeatIndex2 = nRep - 1; repeatIndex2; --repeatIndex2)
|
||||
{
|
||||
sample += delta;
|
||||
*dst2 = sample;
|
||||
dst2 += nChannels;
|
||||
}
|
||||
++src;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
bool WaveMix::IsValidLPMIXWAVE(MIXWAVE* lpMixWave)
|
||||
{
|
||||
return lpMixWave && lpMixWave->wMagic == 21554;
|
||||
}
|
||||
|
||||
void WaveMix::FreePlayedBlocks()
|
||||
{
|
||||
auto position = MyWaveOutGetPosition(Globals->hWaveOut, Globals->fGoodGetPos);
|
||||
for (int i = 0; i < MAXCHANNELS; i ++)
|
||||
{
|
||||
CHANNELNODE* channel = Globals->aChannel[i];
|
||||
if (channel && channel != reinterpret_cast<CHANNELNODE*>(-1))
|
||||
{
|
||||
while (channel && position >= channel->dwEndPos)
|
||||
{
|
||||
Globals->aChannel[i] = channel->next;
|
||||
if (channel->PlayParams.hWndNotify)
|
||||
PostMessageA(channel->PlayParams.hWndNotify, MM_WOM_DONE, i,
|
||||
reinterpret_cast<LPARAM>(channel->lpMixWave));
|
||||
FreeChannelNode(channel);
|
||||
channel = Globals->aChannel[i];
|
||||
}
|
||||
}
|
||||
}
|
||||
if (!Globals->fGoodGetPos && !play_queue.first)
|
||||
{
|
||||
for (int i = 0; i < MAXCHANNELS; i++)
|
||||
{
|
||||
auto channel = Globals->aChannel[i];
|
||||
if (channel)
|
||||
{
|
||||
if (channel != reinterpret_cast<CHANNELNODE*>(-1))
|
||||
{
|
||||
PostMessageA(Globals->hWndApp, 0x400u, 0, reinterpret_cast<LPARAM>(Globals));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void WaveMix::cmixit(unsigned __int8* lpDest, unsigned __int8** rgWaveSrc, volume_struct* volumeArr, int iNumWaves,
|
||||
unsigned __int16 length)
|
||||
{
|
||||
if (!length)
|
||||
return;
|
||||
|
||||
if (Globals->PCM.wf.nChannels == 2)
|
||||
{
|
||||
if (iNumWaves == 1)
|
||||
{
|
||||
auto src = rgWaveSrc[0];
|
||||
for (auto index = (length - 1u) / 2u + 1u; index; --index)
|
||||
{
|
||||
*lpDest++ = volume_table[volumeArr->L][*src++];
|
||||
*lpDest++ = volume_table[volumeArr->R][*src++];
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
for (auto srcOffset = 0u, index = (length - 1u) / 2u + 1u; index; index--)
|
||||
{
|
||||
auto sampleR = 128;
|
||||
auto sampleL = 128;
|
||||
auto volumePtr = volumeArr;
|
||||
for (auto channelIndex = 0; channelIndex < iNumWaves; channelIndex++)
|
||||
{
|
||||
auto src = rgWaveSrc[channelIndex] + srcOffset;
|
||||
sampleL += volume_table[volumePtr->L][src[0]] - 128;
|
||||
sampleR += volume_table[volumePtr->R][src[1]] - 128;
|
||||
++volumePtr;
|
||||
}
|
||||
|
||||
srcOffset += 2;
|
||||
lpDest[0] = min(max(sampleL, 0), 255);
|
||||
lpDest[1] = min(max(sampleR, 0), 255);
|
||||
lpDest += 2;
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (iNumWaves == 1)
|
||||
{
|
||||
auto src = rgWaveSrc[0];
|
||||
auto avgVolume = (volumeArr->L + volumeArr->R) / 2;
|
||||
for (auto index = length; index; --index)
|
||||
*lpDest++ = volume_table[avgVolume][*src++];
|
||||
}
|
||||
else
|
||||
{
|
||||
for (unsigned srcOffset = 0u, index = length; index; index--)
|
||||
{
|
||||
auto sample = 128;
|
||||
auto volumePtr = volumeArr;
|
||||
for (auto channelIndex = 0; channelIndex < iNumWaves; channelIndex++)
|
||||
{
|
||||
auto src = rgWaveSrc[channelIndex] + srcOffset;
|
||||
auto curSample = volume_table[(volumePtr->L + volumePtr->R) / 2][src[0]];
|
||||
sample += curSample - 128;
|
||||
++volumePtr;
|
||||
}
|
||||
|
||||
++srcOffset;
|
||||
*lpDest++ = min(max(sample, 0), 255);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
LRESULT WaveMix::WndProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
|
||||
|
|
|
|||
|
|
@ -24,7 +24,7 @@ struct MIXWAVE
|
|||
PCMWAVEFORMAT pcm;
|
||||
WAVEHDR wh;
|
||||
char szWaveFilename[16];
|
||||
short Unknown0;
|
||||
short wMagic;
|
||||
};
|
||||
|
||||
struct MIXPLAYPARAMS
|
||||
|
|
@ -112,25 +112,10 @@ struct GLOBALS
|
|||
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;
|
||||
volume_struct DefaultVolume;
|
||||
volume_struct ChannelVolume[MAXCHANNELS];
|
||||
CHANNELNODE* aChannel[MAXCHANNELS];
|
||||
int unknown77;
|
||||
int iChannels;
|
||||
int unknown78;
|
||||
int unknown79;
|
||||
int unknown80;
|
||||
|
|
@ -247,7 +232,17 @@ private:
|
|||
static void FreeWaveBlocks(HWAVEOUT hwo, XWAVEHDR** waveBlocks);
|
||||
static int AllocWaveBlocks(HWAVEOUT hwo, XWAVEHDR** waveBlocks);
|
||||
static void ReleaseWaveDevice(GLOBALS* globals);
|
||||
static void cmixit(unsigned __int8* lpDest, unsigned __int8** rgWaveSrc, volume_struct* volume, int iNumWaves,
|
||||
static HPSTR WaveFormatConvert(PCMWAVEFORMAT* lpOutWF, PCMWAVEFORMAT* lpInWF, HPSTR lpInData, DWORD* dwDataSize);
|
||||
static HPSTR BitsPerSampleAlign(HPSTR lpInData, WORD nInBPS, WORD nOutBPS, DWORD* dwDataSize);
|
||||
static HPSTR ChannelAlign(HPSTR lpInData, WORD nInChannels, WORD nOutChannels, WORD nBytesPerSample,
|
||||
DWORD* dwDataSize);
|
||||
static HPSTR SamplesPerSecAlign(HPSTR lpInData, DWORD nInSamplesPerSec, DWORD nOutSamplesPerSec,
|
||||
WORD nBytesPerSample, WORD nChannels, DWORD* dwDataSize);
|
||||
static void AvgSample(HPSTR lpOutData, HPSTR lpInData, unsigned nSkip, int nBytesPerSample, int nChannels);
|
||||
static void RepSample(HPSTR lpOutData, HPSTR lpInData, unsigned nRep, int nBytesPerSample, int nChannels);
|
||||
static bool IsValidLPMIXWAVE(MIXWAVE* lpMixWave);
|
||||
static void FreePlayedBlocks();
|
||||
static void cmixit(unsigned __int8* lpDest, unsigned __int8** rgWaveSrc, volume_struct* volumeArr, int iNumWaves,
|
||||
unsigned __int16 length);
|
||||
static LRESULT __stdcall WndProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam);
|
||||
static INT_PTR __stdcall SettingsDlgProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam);
|
||||
|
|
@ -256,7 +251,7 @@ private:
|
|||
static char FileName[276];
|
||||
static CHANNELNODE channel_nodes[MAXQUEUEDWAVES];
|
||||
static CHANNELNODE* free_channel_nodes;
|
||||
static char volume_table[256 * 11];
|
||||
static unsigned char volume_table[11][256];
|
||||
static int debug_flag;
|
||||
static void (*cmixit_ptr)(unsigned __int8* lpDest, unsigned __int8** rgWaveSrc, volume_struct* volume,
|
||||
int iNumWaves, unsigned __int16 length);
|
||||
|
|
|
|||
Loading…
Reference in New Issue