bool CZipArchive::ExtractFile(std::size_t index)
//----------------------------------------------
{
mz_zip_archive *zip = static_cast<mz_zip_archive*>(zipFile);
if(index >= contents.size())
{
return false;
}
mz_uint bestFile = index;
mz_zip_archive_file_stat stat;
MemsetZero(stat);
mz_zip_reader_file_stat(zip, bestFile, &stat);
if(stat.m_uncomp_size >= std::numeric_limits<std::size_t>::max())
{
return false;
}
try
{
data.resize(static_cast<std::size_t>(stat.m_uncomp_size));
} catch(...)
{
return false;
}
if(!mz_zip_reader_extract_to_mem(zip, bestFile, &data[0], static_cast<std::size_t>(stat.m_uncomp_size), 0))
{
return false;
}
comment = mpt::ToWide(mpt::CharsetCP437, std::string(stat.m_comment, stat.m_comment + stat.m_comment_size));
return true;
}
bool COwnerVstEditor::OpenEditor(CWnd *parent)
//--------------------------------------------
{
Create(IDD_PLUGINEDITOR, parent);
// Some plugins (e.g. ProteusVX) need to be planted into another control or else they will break our window proc, making the window unusable.
m_plugWindow.Create(nullptr, WS_CHILD | WS_VISIBLE, CRect(0, 0, 100, 100), this);
// Set editor window size
ERect rect;
MemsetZero(rect);
ERect *pRect = nullptr;
CVstPlugin &vstPlug = static_cast<CVstPlugin &>(m_VstPlugin);
vstPlug.Dispatch(effEditGetRect, 0, 0, &pRect, 0);
if(pRect) rect = *pRect;
vstPlug.Dispatch(effEditOpen, 0, 0, m_plugWindow.m_hWnd, 0);
vstPlug.Dispatch(effEditGetRect, 0, 0, &pRect, 0);
if(pRect) rect = *pRect;
if(rect.right > rect.left && rect.bottom > rect.top)
{
// Plugin provided valid window size.
SetSize(rect.right - rect.left, rect.bottom - rect.top);
}
vstPlug.Dispatch(effEditTop, 0,0, NULL, 0);
vstPlug.Dispatch(effEditIdle, 0,0, NULL, 0);
// Set knob mode to linear (2) instead of circular (0) for those plugins that support it (e.g. Steinberg VB-1)
vstPlug.Dispatch(effSetEditKnobMode, 0, 2, nullptr, 0.0f);
return CAbstractVstEditor::OpenEditor(parent);
}
SoundDevice::DynamicCaps CWaveDevice::GetDeviceDynamicCaps(const std::vector<uint32> & /*baseSampleRates*/ )
//--------------------------------------------------------------------------------------------------------
{
MPT_TRACE();
SoundDevice::DynamicCaps caps;
WAVEOUTCAPSW woc;
MemsetZero(woc);
if(GetDeviceIndex() > 0)
{
if(waveOutGetDevCapsW(GetDeviceIndex() - 1, &woc, sizeof(woc)) == MMSYSERR_NOERROR)
{
if(woc.dwFormats & (WAVE_FORMAT_96M08 | WAVE_FORMAT_96M16 | WAVE_FORMAT_96S08 | WAVE_FORMAT_96S16))
{
caps.supportedExclusiveSampleRates.push_back(96000);
}
if(woc.dwFormats & (WAVE_FORMAT_48M08 | WAVE_FORMAT_48M16 | WAVE_FORMAT_48S08 | WAVE_FORMAT_48S16))
{
caps.supportedExclusiveSampleRates.push_back(48000);
}
if(woc.dwFormats & (WAVE_FORMAT_4M08 | WAVE_FORMAT_4M16 | WAVE_FORMAT_4S08 | WAVE_FORMAT_4S16))
{
caps.supportedExclusiveSampleRates.push_back(44100);
}
if(woc.dwFormats & (WAVE_FORMAT_2M08 | WAVE_FORMAT_2M16 | WAVE_FORMAT_2S08 | WAVE_FORMAT_2S16))
{
caps.supportedExclusiveSampleRates.push_back(22050);
}
if(woc.dwFormats & (WAVE_FORMAT_1M08 | WAVE_FORMAT_1M16 | WAVE_FORMAT_1S08 | WAVE_FORMAT_1S16))
{
caps.supportedExclusiveSampleRates.push_back(11025);
}
}
}
return caps;
}
bool VSTPresets::SaveFile(std::ostream &f, CVstPlugin &plugin, bool bank)
//-----------------------------------------------------------------------
{
if(!bank)
{
SaveProgram(f, plugin);
} else
{
bool writeChunk = plugin.ProgramsAreChunks();
ChunkHeader header;
header.chunkMagic = cMagic;
header.version = 2;
header.fxID = plugin.GetUID();
header.fxVersion = plugin.GetVersion();
// Write unfinished header... We need to update the size once we're done writing.
Write(header, f);
uint32 numProgs = std::max(plugin.GetNumPrograms(), VstInt32(1)), curProg = plugin.GetCurrentProgram();
WriteBE(numProgs, f);
WriteBE(curProg, f);
char reserved[124];
MemsetZero(reserved);
Write(reserved, f);
if(writeChunk)
{
char *chunk = nullptr;
uint32 chunkSize = mpt::saturate_cast<uint32>(plugin.Dispatch(effGetChunk, 0, 0, &chunk, 0));
if(chunkSize && chunk)
{
WriteBE(chunkSize, f);
f.write(chunk, chunkSize);
} else
{
// The plugin returned no chunk! Gracefully go back and save parameters instead...
writeChunk = false;
}
}
if(!writeChunk)
{
for(uint32 p = 0; p < numProgs; p++)
{
plugin.SetCurrentProgram(p);
SaveProgram(f, plugin);
}
plugin.SetCurrentProgram(curProg);
}
// Now we know the correct chunk size.
std::streamoff end = f.tellp();
header.byteSize = static_cast<VstInt32>(end - 8);
header.fxMagic = writeChunk ? chunkBankMagic : bankMagic;
header.ConvertEndianness();
f.seekp(0);
Write(header, f);
}
return true;
}
bool FillWaveFormatExtensible(WAVEFORMATEXTENSIBLE &WaveFormat, const SoundDevice::Settings &m_Settings)
//------------------------------------------------------------------------------------------------------
{
MemsetZero(WaveFormat);
if(!m_Settings.sampleFormat.IsValid()) return false;
WaveFormat.Format.wFormatTag = m_Settings.sampleFormat.IsFloat() ? WAVE_FORMAT_IEEE_FLOAT : WAVE_FORMAT_PCM;
WaveFormat.Format.nChannels = (WORD)m_Settings.Channels;
WaveFormat.Format.nSamplesPerSec = m_Settings.Samplerate;
WaveFormat.Format.nAvgBytesPerSec = (DWORD)m_Settings.GetBytesPerSecond();
WaveFormat.Format.nBlockAlign = (WORD)m_Settings.GetBytesPerFrame();
WaveFormat.Format.wBitsPerSample = (WORD)m_Settings.sampleFormat.GetBitsPerSample();
WaveFormat.Format.cbSize = 0;
if((WaveFormat.Format.wBitsPerSample > 16 && m_Settings.sampleFormat.IsInt()) || (WaveFormat.Format.nChannels > 2))
{
WaveFormat.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
WaveFormat.Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX);
WaveFormat.Samples.wValidBitsPerSample = WaveFormat.Format.wBitsPerSample;
switch(WaveFormat.Format.nChannels)
{
case 1: WaveFormat.dwChannelMask = SPEAKER_FRONT_CENTER; break;
case 2: WaveFormat.dwChannelMask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT; break;
case 3: WaveFormat.dwChannelMask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_CENTER; break;
case 4: WaveFormat.dwChannelMask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT; break;
default: WaveFormat.dwChannelMask = 0; return false; break;
}
const GUID guid_MEDIASUBTYPE_PCM = {0x00000001, 0x0000, 0x0010, 0x80, 0x00, 0x0, 0xAA, 0x0, 0x38, 0x9B, 0x71};
const GUID guid_MEDIASUBTYPE_IEEE_FLOAT = {0x00000003, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71};
WaveFormat.SubFormat = m_Settings.sampleFormat.IsFloat() ? guid_MEDIASUBTYPE_IEEE_FLOAT : guid_MEDIASUBTYPE_PCM;
}
return true;
}
CWaveConvert::CWaveConvert(CWnd *parent, modplug::tracker::orderindex_t nMinOrder, modplug::tracker::orderindex_t nMaxOrder):
CDialog(IDD_WAVECONVERT, parent)
//-----------------------------------------------------------------------------------
{
m_bGivePlugsIdleTime = false;
m_bNormalize = false;
m_bHighQuality = false;
m_bSelectPlay = false;
if(nMinOrder != modplug::tracker::OrderIndexInvalid && nMaxOrder != modplug::tracker::OrderIndexInvalid)
{
// render selection
m_nMinOrder = nMinOrder;
m_nMaxOrder = nMaxOrder;
m_bSelectPlay = true;
} else
{
m_nMinOrder = m_nMaxOrder = 0;
}
m_dwFileLimit = 0;
m_dwSongLimit = 0;
MemsetZero(WaveFormat);
WaveFormat.Format.wFormatTag = WAVE_FORMAT_PCM;
WaveFormat.Format.nChannels = 2;
WaveFormat.Format.nSamplesPerSec = 44100;
WaveFormat.Format.wBitsPerSample = 16;
WaveFormat.Format.nBlockAlign = (WaveFormat.Format.wBitsPerSample * WaveFormat.Format.nChannels) / 8;
WaveFormat.Format.nAvgBytesPerSec = WaveFormat.Format.nSamplesPerSec * WaveFormat.Format.nBlockAlign;
}
// Reset MIDI macro config to default values.
void MIDIMacroConfig::Reset()
//---------------------------
{
MemsetZero(szMidiGlb);
MemsetZero(szMidiSFXExt);
MemsetZero(szMidiZXXExt);
strcpy(szMidiGlb[MIDIOUT_START], "FF");
strcpy(szMidiGlb[MIDIOUT_STOP], "FC");
strcpy(szMidiGlb[MIDIOUT_NOTEON], "9c n v");
strcpy(szMidiGlb[MIDIOUT_NOTEOFF], "9c n 0");
strcpy(szMidiGlb[MIDIOUT_PROGRAM], "Cc p");
// SF0: Z00-Z7F controls cutoff
CreateParameteredMacro(0, sfx_cutoff);
// Z80-Z8F controls resonance
CreateFixedMacro(zxx_reso4Bit);
}
ModInstrument::ModInstrument(SAMPLEINDEX sample)
//----------------------------------------------
{
nFadeOut = 256;
dwFlags.reset();
nGlobalVol = 64;
nPan = 32 * 4;
nNNA = NNA_NOTECUT;
nDCT = DCT_NONE;
nDNA = DNA_NOTECUT;
nPanSwing = 0;
nVolSwing = 0;
SetCutoff(0, false);
SetResonance(0, false);
wMidiBank = 0;
nMidiProgram = 0;
nMidiChannel = 0;
nMidiDrumKey = 0;
midiPWD = 2;
nPPC = NOTE_MIDDLEC - 1;
nPPS = 0;
nMixPlug = 0;
nVolRampUp = 0;
nResampling = SRCMODE_DEFAULT;
nCutSwing = 0;
nResSwing = 0;
nFilterMode = FLTMODE_UNCHANGED;
wPitchToTempoLock = 0;
nPluginVelocityHandling = PLUGIN_VELOCITYHANDLING_CHANNEL;
nPluginVolumeHandling = PLUGIN_VOLUMEHANDLING_IGNORE;
pTuning = CSoundFile::GetDefaultTuning();
AssignSample(sample);
ResetNoteMap();
MemsetZero(name);
MemsetZero(filename);
}
CZipArchive::CZipArchive(FileReader &file) : ArchiveBase(file)
//------------------------------------------------------------
{
zipFile = new mz_zip_archive();
mz_zip_archive *zip = static_cast<mz_zip_archive*>(zipFile);
MemsetZero(*zip);
if(!mz_zip_reader_init_mem(zip, file.GetRawData(), file.GetLength(), 0))
{
delete zip;
zip = nullptr;
zipFile = nullptr;
}
if(!zip)
{
return;
}
for(mz_uint i = 0; i < mz_zip_reader_get_num_files(zip); ++i)
{
ArchiveFileInfo info;
info.type = ArchiveFileInvalid;
mz_zip_archive_file_stat stat;
MemsetZero(stat);
if(mz_zip_reader_file_stat(zip, i, &stat))
{
info.type = ArchiveFileNormal;
info.name = mpt::PathString::FromWide(mpt::ToWide(mpt::CharsetCP437, stat.m_filename));
info.size = stat.m_uncomp_size;
}
if(mz_zip_reader_is_file_a_directory(zip, i))
{
info.type = ArchiveFileSpecial;
} else if(mz_zip_reader_is_file_encrypted(zip, i))
{
info.type = ArchiveFileSpecial;
}
contents.push_back(info);
}
}
void CWaveDevice::StopFromSoundThread()
//-------------------------------------
{
MPT_TRACE();
if(m_hWaveOut)
{
CheckResult(waveOutPause(m_hWaveOut));
m_JustStarted = false;
{
MPT_LOCK_GUARD<mpt::mutex> guard(m_PositionWraparoundMutex);
MemsetZero(m_PositionLast);
m_PositionWrappedCount = 0;
}
}
}
void CWaveDevice::StartFromSoundThread()
//--------------------------------------
{
MPT_TRACE();
if(m_hWaveOut)
{
{
MPT_LOCK_GUARD<mpt::mutex> guard(m_PositionWraparoundMutex);
MemsetZero(m_PositionLast);
m_PositionWrappedCount = 0;
}
m_JustStarted = true;
// Actual starting is done in InternalFillAudioBuffer to avoid crackling with tiny buffers.
}
}
// Convert OpenMPT's internal sample representation to an XMSample.
void XMSample::ConvertToXM(const ModSample &mptSmp, MODTYPE fromType, bool compatibilityExport)
//---------------------------------------------------------------------------------------------
{
MemsetZero(*this);
// Volume / Panning
vol = static_cast<uint8>(std::min(mptSmp.nVolume / 4u, 64u));
pan = static_cast<uint8>(std::min(mptSmp.nPan, uint16(255)));
// Sample Frequency
if((fromType & (MOD_TYPE_MOD | MOD_TYPE_XM)))
{
finetune = mptSmp.nFineTune;
relnote = mptSmp.RelativeTone;
} else
{
int f2t = ModSample::FrequencyToTranspose(mptSmp.nC5Speed);
relnote = (int8)(f2t >> 7);
finetune = (int8)(f2t & 0x7F);
}
flags = 0;
if(mptSmp.uFlags[CHN_LOOP])
{
flags |= mptSmp.uFlags[CHN_PINGPONGLOOP] ? XMSample::sampleBidiLoop : XMSample::sampleLoop;
}
// Sample Length and Loops
length = mpt::saturate_cast<uint32>(mptSmp.nLength);
loopStart = mpt::saturate_cast<uint32>(mptSmp.nLoopStart);
loopLength = mpt::saturate_cast<uint32>(mptSmp.nLoopEnd - mptSmp.nLoopStart);
if(mptSmp.uFlags[CHN_16BIT])
{
flags |= XMSample::sample16Bit;
length *= 2;
loopStart *= 2;
loopLength *= 2;
}
if(mptSmp.uFlags[CHN_STEREO] && !compatibilityExport)
{
flags |= XMSample::sampleStereo;
length *= 2;
loopStart *= 2;
loopLength *= 2;
}
}
bool COwnerVstEditor::SetSize(int contentWidth, int contentHeight)
//----------------------------------------------------------------
{
if(contentWidth < 0 || contentHeight < 0 || !m_hWnd)
{
return false;
}
CRect rcWnd, rcClient;
// Get border / menu size.
GetWindowRect(&rcWnd);
GetClientRect(&rcClient);
MENUBARINFO mbi;
MemsetZero(mbi);
mbi.cbSize = sizeof(mbi);
GetMenuBarInfo(m_hWnd, OBJID_MENU, 0, &mbi);
int menuHeight = mbi.rcBar.bottom - mbi.rcBar.top;
// Preliminary setup, which might have to be adjusted for small (narrow) plugin GUIs again,
// since the menu might be two lines high...
const int windowWidth = rcWnd.Width() - rcClient.Width() + contentWidth;
const int windowHeight = rcWnd.Height() - rcClient.Height() + contentHeight;
SetWindowPos(NULL, 0, 0,
windowWidth, windowHeight,
SWP_NOZORDER | SWP_NOMOVE | SWP_NOACTIVATE);
m_plugWindow.SetWindowPos(NULL, 0, 0,
contentWidth, contentHeight,
SWP_NOZORDER | SWP_NOMOVE | SWP_NOACTIVATE);
// Check if the height of the menu bar has changed.
GetMenuBarInfo(m_hWnd, OBJID_MENU, 0, &mbi);
const int menuHeightDiff = (mbi.rcBar.bottom - mbi.rcBar.top) - menuHeight;
if(menuHeightDiff != 0)
{
// Menu height changed, resize window so that the whole content area can be viewed again.
SetWindowPos(NULL, 0, 0,
windowWidth, windowHeight + menuHeightDiff,
SWP_NOZORDER | SWP_NOMOVE | SWP_NOACTIVATE);
}
return true;
}
// Create a DIB for the current device from our PNG.
bool PNG::Bitmap::ToDIB(CBitmap &bitmap, CDC *dc) const
//-----------------------------------------------------
{
BITMAPINFOHEADER bi;
MemsetZero(bi);
bi.biSize = sizeof(BITMAPINFOHEADER);
bi.biWidth = width;
bi.biHeight = -(int32_t)height;
bi.biPlanes = 1;
bi.biBitCount = 32;
bi.biCompression = BI_RGB;
bi.biSizeImage = width * height * 4;
if(dc == nullptr) dc = CDC::FromHandle(GetDC(NULL));
return bitmap.CreateCompatibleBitmap(dc, width, height)
&& SetDIBits(dc->GetSafeHdc(), bitmap, 0, height, GetPixels(), reinterpret_cast<BITMAPINFO *>(&bi), DIB_RGB_COLORS);
}
bool CWaveDevice::CheckResult(MMRESULT result)
//--------------------------------------------
{
if(result == MMSYSERR_NOERROR)
{
return true;
}
if(!m_Failed)
{ // only show the first error
m_Failed = true;
WCHAR errortext[MAXERRORLENGTH + 1];
MemsetZero(errortext);
waveOutGetErrorTextW(result, errortext, MAXERRORLENGTH);
SendDeviceMessage(LogError, mpt::format(MPT_USTRING("WaveOut error: 0x%1: %2"))(mpt::ufmt::hex0<8>(result), mpt::ToUnicode(errortext)));
}
RequestClose();
return false;
}
void MultimediaClock::SetPeriod(uint32 ms)
{
TIMECAPS caps;
MemsetZero(caps);
if(timeGetDevCaps(&caps, sizeof(caps)) != MMSYSERR_NOERROR)
{
return;
}
if((caps.wPeriodMax == 0) || (caps.wPeriodMin > caps.wPeriodMax))
{
return;
}
ms = Clamp<uint32>(ms, caps.wPeriodMin, caps.wPeriodMax);
if(timeBeginPeriod(ms) != MMSYSERR_NOERROR)
{
return;
}
m_CurrentPeriod = ms;
}
std::vector<SoundDevice::Info> CWaveDevice::EnumerateDevices(SoundDevice::SysInfo /* sysInfo */ )
//-----------------------------------------------------------------------------------------------
{
MPT_TRACE();
std::vector<SoundDevice::Info> devices;
UINT numDevs = waveOutGetNumDevs();
for(UINT index = 0; index <= numDevs; ++index)
{
SoundDevice::Info info;
info.type = TypeWAVEOUT;
info.internalID = mpt::ufmt::dec(index);
info.apiName = MPT_USTRING("WaveOut");
info.useNameAsIdentifier = true;
WAVEOUTCAPSW woc;
MemsetZero(woc);
if(waveOutGetDevCapsW((index == 0) ? WAVE_MAPPER : (index - 1), &woc, sizeof(woc)) == MMSYSERR_NOERROR)
{
info.name = mpt::ToUnicode(woc.szPname);
info.extraData[MPT_USTRING("DriverID")] = mpt::format(MPT_USTRING("%1:%2"))(mpt::ufmt::hex0<4>(woc.wMid), mpt::ufmt::hex0<4>(woc.wPid));
info.extraData[MPT_USTRING("DriverVersion")] = mpt::format(MPT_USTRING("%3.%4"))(mpt::ufmt::dec((static_cast<uint32>(woc.vDriverVersion) >> 24) & 0xff), mpt::ufmt::dec((static_cast<uint32>(woc.vDriverVersion) >> 0) & 0xff));
} else if(index == 0)
bool CWaveDevice::InternalClose()
//-------------------------------
{
MPT_TRACE();
if(m_hWaveOut)
{
waveOutReset(m_hWaveOut);
m_JustStarted = false;
InterlockedExchange(&m_nBuffersPending, 0);
m_nWriteBuffer = 0;
m_nDoneBuffer = 0;
while(m_nPreparedHeaders > 0)
{
m_nPreparedHeaders--;
waveOutUnprepareHeader(m_hWaveOut, &m_WaveBuffers[m_nPreparedHeaders], sizeof(WAVEHDR));
}
waveOutClose(m_hWaveOut);
m_hWaveOut = NULL;
}
#ifdef _DEBUG
if(m_DriverBugs.load())
{
SendDeviceMessage(LogError, MPT_USTRING("Errors were detected while playing sound:\n") + GetStatistics().text);
}
#endif
m_DriverBugs = 0;
m_Failed = false;
if(m_ThreadWakeupEvent)
{
CloseHandle(m_ThreadWakeupEvent);
m_ThreadWakeupEvent = NULL;
}
{
MPT_LOCK_GUARD<mpt::mutex> guard(m_PositionWraparoundMutex);
MemsetZero(m_PositionLast);
m_PositionWrappedCount = 0;
}
return true;
}
void WavesReverb::Resume()
//------------------------
{
m_isResumed = true;
// Recalculate delays
uint32 delay0 = Util::Round<uint32>(m_SndFile.GetSampleRate() * 0.045);
uint32 delay1 = Util::Round<uint32>(delay0 * 1.189207077026367); // 2^0.25
uint32 delay2 = Util::Round<uint32>(delay1 * 1.189207077026367);
uint32 delay3 = Util::Round<uint32>(delay2 * 1.189207077026367);
uint32 delay4 = Util::Round<uint32>((delay0 + delay2) * 0.1154666692018509);
uint32 delay5 = Util::Round<uint32>((delay1 + delay3) * 0.1154666692018509);
// Comb delays
m_delay[0] = (delay0 - delay4) * 4;
m_delay[1] = (delay2 - delay4) * 4;
m_delay[2] = (delay1 - delay5) * 4;
m_delay[3] = (delay3 - delay5) * 4;
// Allpass delays
m_delay[4] = delay4 * 2;
m_delay[5] = delay5 * 2;
RecalculateWavesReverbParams();
MemsetZero(m_state);
}
PLUGINDEX CModDoc::RemovePlugs(const std::vector<bool> &keepMask)
//---------------------------------------------------------------
{
//Remove all plugins whose keepMask[plugindex] is false.
PLUGINDEX nRemoved = 0;
const PLUGINDEX maxPlug = static_cast<PLUGINDEX>(MIN(MAX_MIXPLUGINS, keepMask.size()));
CriticalSection cs;
for(PLUGINDEX nPlug = 0; nPlug < maxPlug; nPlug++)
{
SNDMIXPLUGIN &plug = m_SndFile.m_MixPlugins[nPlug];
if(keepMask[nPlug])
{
continue;
}
if(plug.pMixPlugin || plug.IsValidPlugin())
{
nRemoved++;
}
delete[] plug.pPluginData;
plug.pPluginData = nullptr;
if(plug.pMixPlugin)
{
plug.pMixPlugin->Release();
plug.pMixPlugin = nullptr;
}
MemsetZero(plug.Info);
plug.nPluginDataSize = 0;
plug.fDryRatio = 0;
plug.defaultProgram = 0;
}
return nRemoved;
}
// Convert OpenMPT's internal sample representation to an XMInstrument.
uint16 XMInstrument::ConvertToXM(const ModInstrument &mptIns, bool compatibilityExport)
//-------------------------------------------------------------------------------------
{
MemsetZero(*this);
// FFF is maximum in the FT2 GUI, but it can also accept other values. MilkyTracker just allows 0...4095 and 32767 ("cut")
volFade = static_cast<uint16>(std::min(mptIns.nFadeOut, uint32(32767)));
// Convert envelopes
ConvertEnvelopeToXM(mptIns.VolEnv, volPoints, volFlags, volSustain, volLoopStart, volLoopEnd, EnvTypeVol);
ConvertEnvelopeToXM(mptIns.PanEnv, panPoints, panFlags, panSustain, panLoopStart, panLoopEnd, EnvTypePan);
// Create sample assignment table
std::vector<SAMPLEINDEX> sampleList = GetSampleList(mptIns, compatibilityExport);
for(size_t i = 0; i < CountOf(sampleMap); i++)
{
if(mptIns.Keyboard[i + 12] > 0)
{
std::vector<SAMPLEINDEX>::iterator sample = std::find(sampleList.begin(), sampleList.end(), mptIns.Keyboard[i + 12]);
if(sample != sampleList.end())
{
// Yep, we want to export this sample.
sampleMap[i] = static_cast<uint8>(sample - sampleList.begin());
}
}
}
if(mptIns.nMidiChannel != MidiNoChannel)
{
midiEnabled = 1;
midiChannel = (mptIns.nMidiChannel != MidiMappedChannel ? (mptIns.nMidiChannel - MidiFirstChannel) : 0);
}
midiProgram = (mptIns.nMidiProgram != 0 ? mptIns.nMidiProgram - 1 : 0);
pitchWheelRange = std::min(mptIns.midiPWD, int8(36));
return static_cast<uint16>(sampleList.size());
}
bool CSoundFile::ReadITQ(FileReader &file, ModLoadingFlags loadFlags)
//------------------------------------------------------------------
{
file.Rewind();
ITFileHeader fileHeader;
if(!file.ReadConvertEndianness(fileHeader)
|| (memcmp(fileHeader.id, "ITQM", 4))
|| fileHeader.insnum > 0xFF
|| fileHeader.smpnum >= MAX_SAMPLES
|| !file.CanRead(fileHeader.ordnum + (fileHeader.insnum + fileHeader.smpnum + fileHeader.patnum) * 4))
{
return false;
} else if(loadFlags == onlyVerifyHeader)
{
return true;
}
InitializeGlobals();
bool interpretModPlugMade = false;
// OpenMPT crap at the end of file
file.Seek(file.GetLength() - 4);
size_t mptStartPos = file.ReadUint32LE();
if(mptStartPos >= file.GetLength() || mptStartPos < 0x100)
{
mptStartPos = file.GetLength();
}
if(!memcmp(fileHeader.id, "tpm.", 4))
{
// Legacy MPTM files (old 1.17.02.xx releases)
ChangeModTypeTo(MOD_TYPE_MPT);
} else
{
if(mptStartPos <= file.GetLength() - 3 && fileHeader.cwtv > 0x888 && fileHeader.cwtv <= 0xFFF)
{
file.Seek(mptStartPos);
ChangeModTypeTo(file.ReadMagic("228") ? MOD_TYPE_MPT : MOD_TYPE_IT);
} else
{
ChangeModTypeTo(MOD_TYPE_IT);
}
if(GetType() == MOD_TYPE_IT)
{
// Which tracker was used to made this?
if((fileHeader.cwtv & 0xF000) == 0x5000)
{
// OpenMPT Version number (Major.Minor)
// This will only be interpreted as "made with ModPlug" (i.e. disable compatible playback etc) if the "reserved" field is set to "OMPT" - else, compatibility was used.
m_dwLastSavedWithVersion = (fileHeader.cwtv & 0x0FFF) << 16;
if(!memcmp(fileHeader.reserved, "OMPT", 4))
interpretModPlugMade = true;
} else if(fileHeader.cmwt == 0x888 || fileHeader.cwtv == 0x888)
{
// OpenMPT 1.17 and 1.18 (raped IT format)
// Exact version number will be determined later.
interpretModPlugMade = true;
} else if(fileHeader.cwtv == 0x0217 && fileHeader.cmwt == 0x0200 && !memcmp(fileHeader.reserved, "\0\0\0\0", 4))
{
if(memchr(fileHeader.chnpan, 0xFF, sizeof(fileHeader.chnpan)) != NULL)
{
// ModPlug Tracker 1.16 (semi-raped IT format)
m_dwLastSavedWithVersion = MAKE_VERSION_NUMERIC(1, 16, 00, 00);
madeWithTracker = "ModPlug tracker 1.09 - 1.16";
} else
{
// OpenMPT 1.17 disguised as this in compatible mode,
// but never writes 0xFF in the pan map for unused channels (which is an invalid value).
m_dwLastSavedWithVersion = MAKE_VERSION_NUMERIC(1, 17, 00, 00);
madeWithTracker = "OpenMPT 1.17 (compatibility export)";
}
interpretModPlugMade = true;
} else if(fileHeader.cwtv == 0x0214 && fileHeader.cmwt == 0x0202 && !memcmp(fileHeader.reserved, "\0\0\0\0", 4))
{
// ModPlug Tracker b3.3 - 1.09, instruments 557 bytes apart
m_dwLastSavedWithVersion = MAKE_VERSION_NUMERIC(1, 09, 00, 00);
madeWithTracker = "ModPlug tracker b3.3 - 1.09";
interpretModPlugMade = true;
}
} else // case: type == MOD_TYPE_MPT
{
if (fileHeader.cwtv >= verMptFileVerLoadLimit)
{
AddToLog(str_LoadingIncompatibleVersion);
return false;
}
else if (fileHeader.cwtv > verMptFileVer)
{
AddToLog(str_LoadingMoreRecentVersion);
}
}
}
if(GetType() == MOD_TYPE_IT) mptStartPos = file.GetLength();
// Read row highlights
if((fileHeader.special & ITFileHeader::embedPatternHighlights))
{
// MPT 1.09, 1.07 and most likely other old MPT versions leave this blank (0/0), but have the "special" flag set.
// Newer versions of MPT and OpenMPT 1.17 *always* write 4/16 here.
// Thus, we will just ignore those old versions.
if(m_dwLastSavedWithVersion == 0 || m_dwLastSavedWithVersion >= MAKE_VERSION_NUMERIC(1, 17, 03, 02))
{
m_nDefaultRowsPerBeat = fileHeader.highlight_minor;
m_nDefaultRowsPerMeasure = fileHeader.highlight_major;
}
#ifdef _DEBUG
if((fileHeader.highlight_minor | fileHeader.highlight_major) == 0)
{
Log("IT Header: Row highlight is 0");
}
#endif
}
m_SongFlags.set(SONG_LINEARSLIDES, (fileHeader.flags & ITFileHeader::linearSlides) != 0);
m_SongFlags.set(SONG_ITOLDEFFECTS, (fileHeader.flags & ITFileHeader::itOldEffects) != 0);
m_SongFlags.set(SONG_ITCOMPATGXX, (fileHeader.flags & ITFileHeader::itCompatGxx) != 0);
m_SongFlags.set(SONG_EMBEDMIDICFG, (fileHeader.flags & ITFileHeader::reqEmbeddedMIDIConfig) || (fileHeader.special & ITFileHeader::embedMIDIConfiguration));
m_SongFlags.set(SONG_EXFILTERRANGE, (fileHeader.flags & ITFileHeader::extendedFilterRange) != 0);
mpt::String::Read<mpt::String::spacePadded>(songName, fileHeader.songname);
// Global Volume
m_nDefaultGlobalVolume = fileHeader.globalvol << 1;
if(m_nDefaultGlobalVolume > MAX_GLOBAL_VOLUME) m_nDefaultGlobalVolume = MAX_GLOBAL_VOLUME;
if(fileHeader.speed) m_nDefaultSpeed = fileHeader.speed;
m_nDefaultTempo = std::max(uint8(32), fileHeader.tempo); // Tempo 31 is possible. due to conflicts with the rest of the engine, let's just clamp it to 32.
m_nSamplePreAmp = std::min(fileHeader.mv, uint8(128));
// Reading Channels Pan Positions
for(CHANNELINDEX i = 0; i < 64; i++) if(fileHeader.chnpan[i] != 0xFF)
{
ChnSettings[i].Reset();
ChnSettings[i].nVolume = Clamp(fileHeader.chnvol[i], uint8(0), uint8(64));
if(fileHeader.chnpan[i] & 0x80) ChnSettings[i].dwFlags.set(CHN_MUTE);
uint8 n = fileHeader.chnpan[i] & 0x7F;
if(n <= 64) ChnSettings[i].nPan = n * 4;
if(n == 100) ChnSettings[i].dwFlags.set(CHN_SURROUND);
}
// Reading orders
file.Seek(sizeof(ITFileHeader));
if(GetType() == MOD_TYPE_IT)
{
Order.ReadAsByte(file, fileHeader.ordnum);
} else
{
if(fileHeader.cwtv > 0x88A && fileHeader.cwtv <= 0x88D)
{
Order.Deserialize(file);
} else
{
Order.ReadAsByte(file, fileHeader.ordnum);
// Replacing 0xFF and 0xFE with new corresponding indexes
Order.Replace(0xFE, Order.GetIgnoreIndex());
Order.Replace(0xFF, Order.GetInvalidPatIndex());
}
}
// Reading instrument, sample and pattern offsets
std::vector<uint32> insPos, smpPos, patPos;
file.ReadVectorLE(insPos, fileHeader.insnum);
file.ReadVectorLE(smpPos, fileHeader.smpnum);
file.ReadVectorLE(patPos, fileHeader.patnum);
// Find the first parapointer.
// This is used for finding out whether the edit history is actually stored in the file or not,
// as some early versions of Schism Tracker set the history flag, but didn't save anything.
// We will consider the history invalid if it ends after the first parapointer.
uint32 minPtr = Util::MaxValueOfType(minPtr);
for(uint16 n = 0; n < fileHeader.insnum; n++)
{
if(insPos[n] > 0)
{
minPtr = std::min(minPtr, insPos[n]);
}
}
for(uint16 n = 0; n < fileHeader.smpnum; n++)
{
if(smpPos[n] > 0)
{
minPtr = std::min(minPtr, smpPos[n]);
}
}
for(uint16 n = 0; n < fileHeader.patnum; n++)
{
if(patPos[n] > 0)
{
minPtr = std::min(minPtr, patPos[n]);
}
}
if(fileHeader.special & ITFileHeader::embedSongMessage)
{
minPtr = std::min(minPtr, fileHeader.msgoffset);
}
// Reading IT Edit History Info
// This is only supposed to be present if bit 1 of the special flags is set.
// However, old versions of Schism and probably other trackers always set this bit
// even if they don't write the edit history count. So we have to filter this out...
// This is done by looking at the parapointers. If the history data end after
// the first parapointer, we assume that it's actually no history data.
if(fileHeader.special & ITFileHeader::embedEditHistory)
{
const uint16 nflt = file.ReadUint16LE();
if(file.CanRead(nflt * sizeof(ITHistoryStruct)) && file.GetPosition() + nflt * sizeof(ITHistoryStruct) <= minPtr)
{
m_FileHistory.reserve(nflt);
for(size_t n = 0; n < nflt; n++)
{
FileHistory mptHistory;
ITHistoryStruct itHistory;
file.ReadConvertEndianness(itHistory);
itHistory.ConvertToMPT(mptHistory);
m_FileHistory.push_back(mptHistory);
}
} else
{
// Oops, we were not supposed to read this.
file.SkipBack(2);
}
} else if(fileHeader.highlight_major == 0 && fileHeader.highlight_minor == 0 && fileHeader.cmwt == 0x0214 && fileHeader.cwtv == 0x0214 && !memcmp(fileHeader.reserved, "\0\0\0\0", 4) && (fileHeader.special & (ITFileHeader::embedEditHistory | ITFileHeader::embedPatternHighlights)) == 0)
{
// Another non-conforming application is unmo3 < v2.4.0.1, which doesn't set the special bit
// at all, but still writes the two edit history length bytes (zeroes)...
if(file.ReadUint16LE() != 0)
{
// These were not zero bytes -> We're in the wrong place!
file.SkipBack(2);
madeWithTracker = "UNMO3";
}
}
// Reading MIDI Output & Macros
if(m_SongFlags[SONG_EMBEDMIDICFG] && file.Read(m_MidiCfg))
{
m_MidiCfg.Sanitize();
}
// Ignore MIDI data. Fixes some files like denonde.it that were made with old versions of Impulse Tracker (which didn't support Zxx filters) and have Zxx effects in the patterns.
if(fileHeader.cwtv < 0x0214)
{
MemsetZero(m_MidiCfg.szMidiSFXExt);
MemsetZero(m_MidiCfg.szMidiZXXExt);
m_SongFlags.set(SONG_EMBEDMIDICFG);
}
if(file.ReadMagic("MODU"))
{
madeWithTracker = "BeRoTracker";
}
// Read pattern names: "PNAM"
FileReader patNames;
if(file.ReadMagic("PNAM"))
{
patNames = file.GetChunk(file.ReadUint32LE());
}
m_nChannels = GetModSpecifications().channelsMin;
// Read channel names: "CNAM"
if(file.ReadMagic("CNAM"))
{
FileReader chnNames = file.GetChunk(file.ReadUint32LE());
const CHANNELINDEX readChns = std::min(MAX_BASECHANNELS, static_cast<CHANNELINDEX>(chnNames.GetLength() / MAX_CHANNELNAME));
m_nChannels = readChns;
for(CHANNELINDEX i = 0; i < readChns; i++)
{
chnNames.ReadString<mpt::String::maybeNullTerminated>(ChnSettings[i].szName, MAX_CHANNELNAME);
}
}
// Read mix plugins information
if(file.CanRead(9))
{
LoadMixPlugins(file);
}
// Read Song Message
if(fileHeader.special & ITFileHeader::embedSongMessage)
{
if(fileHeader.msglength > 0 && file.Seek(fileHeader.msgoffset))
{
// Generally, IT files should use CR for line endings. However, ChibiTracker uses LF. One could do...
// if(itHeader.cwtv == 0x0214 && itHeader.cmwt == 0x0214 && itHeader.reserved == ITFileHeader::chibiMagic) --> Chibi detected.
// But we'll just use autodetection here:
songMessage.Read(file, fileHeader.msglength, SongMessage::leAutodetect);
}
}
// Reading Instruments
m_nInstruments = 0;
if(fileHeader.flags & ITFileHeader::instrumentMode)
{
m_nInstruments = std::min(fileHeader.insnum, INSTRUMENTINDEX(MAX_INSTRUMENTS - 1));
}
for(INSTRUMENTINDEX i = 0; i < GetNumInstruments(); i++)
{
if(insPos[i] > 0 && file.Seek(insPos[i]) && file.CanRead(fileHeader.cmwt < 0x200 ? sizeof(ITOldInstrument) : sizeof(ITInstrument)))
{
ModInstrument *instrument = AllocateInstrument(i + 1);
if(instrument != nullptr)
{
ITInstrToMPT(file, *instrument, fileHeader.cmwt);
// MIDI Pitch Wheel Depth is a global setting in IT. Apply it to all instruments.
instrument->midiPWD = fileHeader.pwd;
}
}
}
// In order to properly compute the position, in file, of eventual extended settings
// such as "attack" we need to keep the "real" size of the last sample as those extra
// setting will follow this sample in the file
FileReader::off_t lastSampleOffset = 0;
if(fileHeader.smpnum > 0)
{
lastSampleOffset = smpPos[fileHeader.smpnum - 1] + sizeof(ITSample);
}
//// #ITQ
// Reading Samples
m_nSamples = std::min(fileHeader.smpnum, SAMPLEINDEX(MAX_SAMPLES - 1));
size_t nbytes = 0; // size of sample data in file
for(SAMPLEINDEX i = 0; i < GetNumSamples(); i++)
{
ITQSample sampleHeader;
if(smpPos[i] > 0 && file.Seek(smpPos[i]) && file.ReadConvertEndianness(sampleHeader))
{
if(!memcmp(sampleHeader.id, "ITQS", 4))
{
size_t sampleOffset = sampleHeader.ConvertToMPT(Samples[i + 1]);
mpt::String::Read<mpt::String::spacePadded>(m_szNames[i + 1], sampleHeader.name);
if((loadFlags & loadSampleData) && file.Seek(sampleOffset))
{
Samples[i+1].originalSize = sampleHeader.nbytes;
sampleHeader.GetSampleFormatITQ(fileHeader.cwtv).ReadSample(Samples[i + 1], file);
lastSampleOffset = std::max(lastSampleOffset, file.GetPosition());
}
}
}
}
m_nSamples = std::max(SAMPLEINDEX(1), GetNumSamples());
m_nMinPeriod = 8;
m_nMaxPeriod = 0xF000;
PATTERNINDEX numPats = std::min(static_cast<PATTERNINDEX>(patPos.size()), GetModSpecifications().patternsMax);
if(numPats != patPos.size())
{
// Hack: Notify user here if file contains more patterns than what can be read.
AddToLog(mpt::String::Print(str_PatternSetTruncationNote, patPos.size(), numPats));
}
if(!(loadFlags & loadPatternData))
{
numPats = 0;
}
// Checking for number of used channels, which is not explicitely specified in the file.
for(PATTERNINDEX pat = 0; pat < numPats; pat++)
{
if(patPos[pat] == 0 || !file.Seek(patPos[pat]))
continue;
uint16 len = file.ReadUint16LE();
ROWINDEX numRows = file.ReadUint16LE();
if(numRows < GetModSpecifications().patternRowsMin
|| numRows > GetModSpecifications().patternRowsMax
|| !file.Skip(4))
continue;
FileReader patternData = file.GetChunk(len);
ROWINDEX row = 0;
std::vector<uint8> chnMask(GetNumChannels());
while(row < numRows && patternData.AreBytesLeft())
{
uint8 b = patternData.ReadUint8();
if(!b)
{
row++;
continue;
}
CHANNELINDEX ch = (b & IT_bitmask_patternChanField_c); // 0x7f We have some data grab a byte keeping only 7 bits
if(ch)
{
ch = (ch - 1);// & IT_bitmask_patternChanMask_c; // 0x3f mask of the byte again, keeping only 6 bits
}
if(ch >= chnMask.size())
{
chnMask.resize(ch + 1, 0);
}
if(b & IT_bitmask_patternChanEnabled_c) // 0x80 check if the upper bit is enabled.
{
chnMask[ch] = patternData.ReadUint8(); // set the channel mask for this channel.
}
// Channel used
if(chnMask[ch] & 0x0F) // if this channel is used set m_nChannels
{
if(ch >= GetNumChannels() && ch < MAX_BASECHANNELS)
{
m_nChannels = ch + 1;
}
}
// Now we actually update the pattern-row entry the note,instrument etc.
// Note
if(chnMask[ch] & 1) patternData.Skip(1);
// Instrument
if(chnMask[ch] & 2) patternData.Skip(1);
// Volume
if(chnMask[ch] & 4) patternData.Skip(1);
// Effect
if(chnMask[ch] & 8) patternData.Skip(2);
}
}
// Compute extra instruments settings position
if(lastSampleOffset > 0)
{
file.Seek(lastSampleOffset);
}
// Load instrument and song extensions.
LoadExtendedInstrumentProperties(file, &interpretModPlugMade);
if(interpretModPlugMade)
{
m_nMixLevels = mixLevels_original;
}
// We need to do this here, because if there no samples (so lastSampleOffset = 0), we need to look after the last pattern (sample data normally follows pattern data).
// And we need to do this before reading the patterns because m_nChannels might be modified by LoadExtendedSongProperties. *sigh*
LoadExtendedSongProperties(GetType(), file, &interpretModPlugMade);
m_nTempoMode = tempo_mode_modern;
// Reading Patterns
Patterns.ResizeArray(std::max(MAX_PATTERNS, numPats));
for(PATTERNINDEX pat = 0; pat < numPats; pat++)
{
if(patPos[pat] == 0 || !file.Seek(patPos[pat]))
{
// Empty 64-row pattern
if(Patterns.Insert(pat, 64))
{
AddToLog(mpt::String::Print("Allocating patterns failed starting from pattern %1", pat));
break;
}
// Now (after the Insert() call), we can read the pattern name.
CopyPatternName(Patterns[pat], patNames);
continue;
}
uint16 len = file.ReadUint16LE();
ROWINDEX numRows = file.ReadUint16LE();
if(numRows < GetModSpecifications().patternRowsMin
|| numRows > GetModSpecifications().patternRowsMax
|| !file.Skip(4)
|| Patterns.Insert(pat, numRows))
continue;
FileReader patternData = file.GetChunk(len);
// Now (after the Insert() call), we can read the pattern name.
CopyPatternName(Patterns[pat], patNames);
std::vector<uint8> chnMask(GetNumChannels());
std::vector<ModCommand> lastValue(GetNumChannels(), ModCommand::Empty());
ModCommand *m = Patterns[pat];
ROWINDEX row = 0;
while(row < numRows && patternData.AreBytesLeft())
{
uint8 b = patternData.ReadUint8();
if(!b)
{
row++;
m += GetNumChannels();
continue;
}
CHANNELINDEX ch = b & IT_bitmask_patternChanField_c; // 0x7f
if(ch)
{
ch = (ch - 1); //& IT_bitmask_patternChanMask_c; // 0x3f
}
if(ch >= chnMask.size())
{
chnMask.resize(ch + 1, 0);
lastValue.resize(ch + 1, ModCommand::Empty());
ASSERT(chnMask.size() <= GetNumChannels());
}
if(b & IT_bitmask_patternChanEnabled_c) // 0x80
{
chnMask[ch] = patternData.ReadUint8();
}
// Now we grab the data for this particular row/channel.
if((chnMask[ch] & 0x10) && (ch < m_nChannels))
{
m[ch].note = lastValue[ch].note;
}
if((chnMask[ch] & 0x20) && (ch < m_nChannels))
{
m[ch].instr = lastValue[ch].instr;
}
if((chnMask[ch] & 0x40) && (ch < m_nChannels))
{
m[ch].volcmd = lastValue[ch].volcmd;
m[ch].vol = lastValue[ch].vol;
}
if((chnMask[ch] & 0x80) && (ch < m_nChannels))
{
m[ch].command = lastValue[ch].command;
m[ch].param = lastValue[ch].param;
}
if(chnMask[ch] & 1) // Note
{
uint8 note = patternData.ReadUint8();
if(ch < m_nChannels)
{
if(note < 0x80) note++;
if(!(GetType() & MOD_TYPE_MPT))
{
if(note > NOTE_MAX && note < 0xFD) note = NOTE_FADE;
else if(note == 0xFD) note = NOTE_NONE;
}
m[ch].note = note;
lastValue[ch].note = note;
}
}
if(chnMask[ch] & 2)
{
uint8 instr = patternData.ReadUint8();
if(ch < m_nChannels)
{
m[ch].instr = instr;
lastValue[ch].instr = instr;
}
}
if(chnMask[ch] & 4)
{
uint8 vol = patternData.ReadUint8();
if(ch < m_nChannels)
{
// 0-64: Set Volume
if(vol <= 64) { m[ch].volcmd = VOLCMD_VOLUME; m[ch].vol = vol; } else
// 128-192: Set Panning
if(vol >= 128 && vol <= 192) { m[ch].volcmd = VOLCMD_PANNING; m[ch].vol = vol - 128; } else
// 65-74: Fine Volume Up
if(vol < 75) { m[ch].volcmd = VOLCMD_FINEVOLUP; m[ch].vol = vol - 65; } else
// 75-84: Fine Volume Down
if(vol < 85) { m[ch].volcmd = VOLCMD_FINEVOLDOWN; m[ch].vol = vol - 75; } else
// 85-94: Volume Slide Up
if(vol < 95) { m[ch].volcmd = VOLCMD_VOLSLIDEUP; m[ch].vol = vol - 85; } else
// 95-104: Volume Slide Down
if(vol < 105) { m[ch].volcmd = VOLCMD_VOLSLIDEDOWN; m[ch].vol = vol - 95; } else
// 105-114: Pitch Slide Up
if(vol < 115) { m[ch].volcmd = VOLCMD_PORTADOWN; m[ch].vol = vol - 105; } else
// 115-124: Pitch Slide Down
if(vol < 125) { m[ch].volcmd = VOLCMD_PORTAUP; m[ch].vol = vol - 115; } else
// 193-202: Portamento To
if(vol >= 193 && vol <= 202) { m[ch].volcmd = VOLCMD_TONEPORTAMENTO; m[ch].vol = vol - 193; } else
// 203-212: Vibrato depth
if(vol >= 203 && vol <= 212)
{
m[ch].volcmd = VOLCMD_VIBRATODEPTH; m[ch].vol = vol - 203;
// Old versions of ModPlug saved this as vibrato speed instead, so let's fix that.
if(m[ch].vol && m_dwLastSavedWithVersion && m_dwLastSavedWithVersion <= MAKE_VERSION_NUMERIC(1, 17, 02, 54))
m[ch].volcmd = VOLCMD_VIBRATOSPEED;
} else
// 213-222: Unused (was velocity)
// 223-232: Offset
if(vol >= 223 && vol <= 232) { m[ch].volcmd = VOLCMD_OFFSET; m[ch].vol = vol - 223; }
lastValue[ch].volcmd = m[ch].volcmd;
lastValue[ch].vol = m[ch].vol;
}
}
// Reading command/param
if(chnMask[ch] & 8)
{
uint8 cmd = patternData.ReadUint8();
uint8 param = patternData.ReadUint8();
if(ch < m_nChannels)
{
if(cmd)
{
m[ch].command = cmd;
m[ch].param = param;
S3MConvert(m[ch], true);
lastValue[ch].command = m[ch].command;
lastValue[ch].param = m[ch].param;
}
}
}
}
}
UpgradeModFlags();
if(!m_dwLastSavedWithVersion && fileHeader.cwtv == 0x0888)
{
// There are some files with OpenMPT extensions, but the "last saved with" field contains 0.
// Was there an OpenMPT version that wrote 0 there, or are they hacked?
m_dwLastSavedWithVersion = MAKE_VERSION_NUMERIC(1, 17, 00, 00);
}
if(m_dwLastSavedWithVersion && madeWithTracker.empty())
{
madeWithTracker = "OpenMPT " + MptVersion::ToStr(m_dwLastSavedWithVersion);
if(memcmp(fileHeader.reserved, "OMPT", 4) && (fileHeader.cwtv & 0xF000) == 0x5000)
{
madeWithTracker += " (compatibility export)";
} else if(MptVersion::IsTestBuild(m_dwLastSavedWithVersion))
{
madeWithTracker += " (test build)";
}
} else
{
switch(fileHeader.cwtv >> 12)
{
case 0:
if(!madeWithTracker.empty())
{
// BeRoTracker has been detected above.
} else if(fileHeader.cwtv == 0x0214 && fileHeader.cmwt == 0x0200 && fileHeader.flags == 9 && fileHeader.special == 0
&& fileHeader.highlight_major == 0 && fileHeader.highlight_minor == 0
&& fileHeader.insnum == 0 && fileHeader.patnum + 1 == fileHeader.ordnum
&& fileHeader.globalvol == 128 && fileHeader.mv == 100 && fileHeader.speed == 1 && fileHeader.sep == 128 && fileHeader.pwd == 0
&& fileHeader.msglength == 0 && fileHeader.msgoffset == 0 && !memcmp(fileHeader.reserved, "\0\0\0\0", 4))
{
madeWithTracker = "OpenSPC conversion";
} else if(fileHeader.cwtv == 0x0214 && fileHeader.cmwt == 0x0200 && !memcmp(fileHeader.reserved, "\0\0\0\0", 4))
{
// ModPlug Tracker 1.00a5, instruments 560 bytes apart
m_dwLastSavedWithVersion = MAKE_VERSION_NUMERIC(1, 00, 00, A5);
madeWithTracker = "ModPlug tracker 1.00a5";
interpretModPlugMade = true;
} else if(fileHeader.cwtv == 0x0214 && fileHeader.cmwt == 0x0214 && !memcmp(fileHeader.reserved, "CHBI", 4))
{
madeWithTracker = "ChibiTracker";
} else if(fileHeader.cwtv == 0x0214 && fileHeader.cmwt == 0x0214 && !(fileHeader.special & 3) && !memcmp(fileHeader.reserved, "\0\0\0\0", 4) && !strcmp(Samples[1].filename, "XXXXXXXX.YYY"))
{
madeWithTracker = "CheeseTracker";
} else
{
if(fileHeader.cmwt > 0x0214)
{
madeWithTracker = "Impulse Tracker 2.15";
} else if(fileHeader.cwtv > 0x0214)
{
// Patched update of IT 2.14 (0x0215 - 0x0217 == p1 - p3)
// p4 (as found on modland) adds the ITVSOUND driver, but doesn't seem to change
// anything as far as file saving is concerned.
madeWithTracker = mpt::String::Print("Impulse Tracker 2.14p%1", fileHeader.cwtv - 0x0214);
} else
{
madeWithTracker = mpt::String::Print("Impulse Tracker %1.%2", (fileHeader.cwtv & 0x0F00) >> 8, mpt::fmt::hex0<2>((fileHeader.cwtv & 0xFF)));
}
}
break;
case 1:
madeWithTracker = GetSchismTrackerVersion(fileHeader.cwtv);
break;
case 6:
madeWithTracker = "BeRoTracker";
break;
case 7:
madeWithTracker = mpt::String::Print("ITMCK %1.%2.%3", (fileHeader.cwtv >> 8) & 0x0F, (fileHeader.cwtv >> 4) & 0x0F, fileHeader.cwtv & 0x0F);
break;
}
}
if(GetType() == MOD_TYPE_IT)
{
// Set appropriate mod flags if the file was not made with MPT.
if(!interpretModPlugMade)
{
SetModFlag(MSF_MIDICC_BUGEMULATION, false);
SetModFlag(MSF_OLDVOLSWING, false);
SetModFlag(MSF_COMPATIBLE_PLAY, true);
}
} else
{
//START - mpt specific:
//Using member cwtv on pifh as the version number.
const uint16 version = fileHeader.cwtv;
if(version > 0x889 && file.Seek(mptStartPos))
{
std::istringstream iStrm(std::string(file.GetRawData(), file.BytesLeft()));
if(version >= 0x88D)
{
srlztn::SsbRead ssb(iStrm);
ssb.BeginRead("mptm", MptVersion::num);
ssb.ReadItem(GetTuneSpecificTunings(), "0", 1, &ReadTuningCollection);
ssb.ReadItem(*this, "1", 1, &ReadTuningMap);
ssb.ReadItem(Order, "2", 1, &ReadModSequenceOld);
ssb.ReadItem(Patterns, FileIdPatterns, strlen(FileIdPatterns), &ReadModPatterns);
ssb.ReadItem(Order, FileIdSequences, strlen(FileIdSequences), &ReadModSequences);
if(ssb.m_Status & srlztn::SNT_FAILURE)
{
AddToLog("Unknown error occured while deserializing file.");
}
} else //Loading for older files.
{
if(GetTuneSpecificTunings().Deserialize(iStrm))
{
AddToLog("Error occured - loading failed while trying to load tune specific tunings.");
} else
{
ReadTuningMap(iStrm, *this);
}
}
} //version condition(MPT)
}
return true;
}
VSTPresets::ErrorCode VSTPresets::LoadFile(FileReader &file, CVstPlugin &plugin)
//------------------------------------------------------------------------------
{
const bool firstChunk = file.GetPosition() == 0;
ChunkHeader header;
if(!file.ReadConvertEndianness(header) || header.chunkMagic != cMagic)
{
return invalidFile;
}
if(header.fxID != plugin.GetUID())
{
return wrongPlugin;
}
if(header.fxMagic == fMagic || header.fxMagic == chunkPresetMagic)
{
// Program
PlugParamIndex numParams = file.ReadUint32BE();
VstPatchChunkInfo info;
info.version = 1;
info.pluginUniqueID = header.fxID;
info.pluginVersion = header.fxVersion;
info.numElements = numParams;
MemsetZero(info.future);
plugin.Dispatch(effBeginLoadProgram, 0, 0, &info, 0.0f);
plugin.Dispatch(effBeginSetProgram, 0, 0, nullptr, 0.0f);
char prgName[28];
file.ReadString<mpt::String::maybeNullTerminated>(prgName, 28);
plugin.Dispatch(effSetProgramName, 0, 0, prgName, 0.0f);
if(header.fxMagic == fMagic)
{
if(plugin.GetNumParameters() != numParams)
{
return wrongParameters;
}
for(PlugParamIndex p = 0; p < numParams; p++)
{
plugin.SetParameter(p, file.ReadFloatBE());
}
} else
{
FileReader chunk = file.ReadChunk(file.ReadUint32BE());
plugin.Dispatch(effSetChunk, 1, chunk.GetLength(), const_cast<char *>(chunk.GetRawData()), 0);
}
plugin.Dispatch(effEndSetProgram, 0, 0, nullptr, 0.0f);
} else if((header.fxMagic == bankMagic || header.fxMagic == chunkBankMagic) && firstChunk)
{
// Bank - only read if it's the first chunk in the file, not if it's a sub chunk.
uint32 numProgs = file.ReadUint32BE();
uint32 currentProgram = file.ReadUint32BE();
file.Skip(124);
VstPatchChunkInfo info;
info.version = 1;
info.pluginUniqueID = header.fxID;
info.pluginVersion = header.fxVersion;
info.numElements = numProgs;
MemsetZero(info.future);
plugin.Dispatch(effBeginLoadBank, 0, 0, &info, 0.0f);
if(header.fxMagic == bankMagic)
{
VstInt32 oldCurrentProgram = plugin.GetCurrentProgram();
for(uint32 p = 0; p < numProgs; p++)
{
plugin.Dispatch(effBeginSetProgram, 0, 0, nullptr, 0.0f);
plugin.Dispatch(effSetProgram, 0, 0, nullptr, 0.0f);
ErrorCode retVal = LoadFile(file, plugin);
if(retVal != noError)
{
return retVal;
}
plugin.Dispatch(effEndSetProgram, 0, 0, nullptr, 0.0f);
}
plugin.SetCurrentProgram(oldCurrentProgram);
} else
{
FileReader chunk = file.ReadChunk(file.ReadUint32BE());
plugin.Dispatch(effSetChunk, 0, chunk.GetLength(), const_cast<char *>(chunk.GetRawData()), 0);
}
if(header.version >= 2)
{
plugin.SetCurrentProgram(currentProgram);
}
}
return noError;
}
bool module_renderer::ReadXM(const uint8_t *lpStream, const uint32_t dwMemLength)
//--------------------------------------------------------------------
{
XMFILEHEADER xmheader;
XMSAMPLEHEADER xmsh;
XMSAMPLESTRUCT xmss;
uint32_t dwMemPos;
bool bMadeWithModPlug = false, bProbablyMadeWithModPlug = false, bProbablyMPT109 = false, bIsFT2 = false;
m_nChannels = 0;
if ((!lpStream) || (dwMemLength < 0xAA)) return false; // the smallest XM I know is 174 Bytes
if (_strnicmp((LPCSTR)lpStream, "Extended Module", 15)) return false;
// look for null-terminated song name - that's most likely a tune made with modplug
for(int i = 0; i < 20; i++)
if(lpStream[17 + i] == 0) bProbablyMadeWithModPlug = true;
assign_without_padding(this->song_name, reinterpret_cast<const char *>(lpStream + 17), 20);
// load and convert header
memcpy(&xmheader, lpStream + 58, sizeof(XMFILEHEADER));
xmheader.size = LittleEndian(xmheader.size);
xmheader.xmversion = LittleEndianW(xmheader.xmversion);
xmheader.orders = LittleEndianW(xmheader.orders);
xmheader.restartpos = LittleEndianW(xmheader.restartpos);
xmheader.channels = LittleEndianW(xmheader.channels);
xmheader.patterns = LittleEndianW(xmheader.patterns);
xmheader.instruments = LittleEndianW(xmheader.instruments);
xmheader.flags = LittleEndianW(xmheader.flags);
xmheader.speed = LittleEndianW(xmheader.speed);
xmheader.tempo = LittleEndianW(xmheader.tempo);
m_nType = MOD_TYPE_XM;
m_nMinPeriod = 27;
m_nMaxPeriod = 54784;
if (xmheader.orders > MAX_ORDERS) return false;
if ((!xmheader.channels) || (xmheader.channels > MAX_BASECHANNELS)) return false;
if (xmheader.channels > 32) bMadeWithModPlug = true;
m_nRestartPos = xmheader.restartpos;
m_nChannels = xmheader.channels;
m_nInstruments = bad_min(xmheader.instruments, MAX_INSTRUMENTS - 1);
m_nSamples = 0;
m_nDefaultSpeed = CLAMP(xmheader.speed, 1, 31);
m_nDefaultTempo = CLAMP(xmheader.tempo, 32, 512);
if(xmheader.flags & 1) m_dwSongFlags |= SONG_LINEARSLIDES;
if(xmheader.flags & 0x1000) m_dwSongFlags |= SONG_EXFILTERRANGE;
Order.ReadAsByte(lpStream + 80, xmheader.orders, dwMemLength - 80);
dwMemPos = xmheader.size + 60;
// set this here already because XMs compressed with BoobieSqueezer will exit the function early
SetModFlag(MSF_COMPATIBLE_PLAY, true);
if(xmheader.xmversion >= 0x0104)
{
if (dwMemPos + 8 >= dwMemLength) return true;
dwMemPos = ReadXMPatterns(lpStream, dwMemLength, dwMemPos, &xmheader, this);
if(dwMemPos == 0) return true;
}
vector<bool> samples_used; // for removing unused samples
modplug::tracker::sampleindex_t unused_samples = 0; // dito
// Reading instruments
for (modplug::tracker::instrumentindex_t iIns = 1; iIns <= m_nInstruments; iIns++)
{
XMINSTRUMENTHEADER pih;
uint8_t flags[32];
uint32_t samplesize[32];
UINT samplemap[32];
uint16_t nsamples;
if (dwMemPos + sizeof(uint32_t) >= dwMemLength) return true;
uint32_t ihsize = LittleEndian(*((uint32_t *)(lpStream + dwMemPos)));
if (dwMemPos + ihsize > dwMemLength) return true;
MemsetZero(pih);
memcpy(&pih, lpStream + dwMemPos, bad_min(sizeof(pih), ihsize));
if ((Instruments[iIns] = new modinstrument_t) == nullptr) continue;
memcpy(Instruments[iIns], &m_defaultInstrument, sizeof(modinstrument_t));
Instruments[iIns]->nPluginVelocityHandling = PLUGIN_VELOCITYHANDLING_CHANNEL;
Instruments[iIns]->nPluginVolumeHandling = PLUGIN_VOLUMEHANDLING_IGNORE;
memcpy(Instruments[iIns]->name, pih.name, 22);
SpaceToNullStringFixed<22>(Instruments[iIns]->name);
memset(&xmsh, 0, sizeof(XMSAMPLEHEADER));
if ((nsamples = pih.samples) > 0)
{
/* we have samples, so let's read the rest of this instrument
the header that is being read here is not the sample header, though,
it's rather the instrument settings. */
if (dwMemPos + ihsize >= dwMemLength)
return true;
memcpy(&xmsh,
lpStream + dwMemPos + sizeof(XMINSTRUMENTHEADER),
bad_min(ihsize - sizeof(XMINSTRUMENTHEADER), sizeof(XMSAMPLEHEADER)));
xmsh.shsize = LittleEndian(xmsh.shsize);
if(xmsh.shsize == 0 && bProbablyMadeWithModPlug) bMadeWithModPlug = true;
for (int i = 0; i < 24; ++i) {
xmsh.venv[i] = LittleEndianW(xmsh.venv[i]);
xmsh.penv[i] = LittleEndianW(xmsh.penv[i]);
}
xmsh.volfade = LittleEndianW(xmsh.volfade);
xmsh.midiprogram = LittleEndianW(xmsh.midiprogram);
xmsh.pitchwheelrange = LittleEndianW(xmsh.pitchwheelrange);
if(xmsh.midichannel != 0 || xmsh.midienabled != 0 || xmsh.midiprogram != 0 || xmsh.mutecomputer != 0 || xmsh.pitchwheelrange != 0)
bIsFT2 = true; // definitely not MPT. (or any other tracker)
}
if (LittleEndian(pih.size))
dwMemPos += LittleEndian(pih.size);
else
dwMemPos += sizeof(XMINSTRUMENTHEADER);
memset(samplemap, 0, sizeof(samplemap));
if (nsamples > 32) return true;
UINT newsamples = m_nSamples;
for (UINT nmap = 0; nmap < nsamples; nmap++)
{
UINT n = m_nSamples + nmap + 1;
if (n >= MAX_SAMPLES)
{
n = m_nSamples;
while (n > 0)
{
if (!Samples[n].sample_data)
{
for (UINT xmapchk=0; xmapchk < nmap; xmapchk++)
{
if (samplemap[xmapchk] == n) goto alreadymapped;
}
for (UINT clrs=1; clrs<iIns; clrs++) if (Instruments[clrs])
{
modinstrument_t *pks = Instruments[clrs];
for (UINT ks=0; ks<128; ks++)
{
if (pks->Keyboard[ks] == n) pks->Keyboard[ks] = 0;
}
}
break;
}
alreadymapped:
n--;
}
#ifndef FASTSOUNDLIB
// Damn! Too many samples: look for duplicates
if (!n)
{
if (!unused_samples)
{
unused_samples = DetectUnusedSamples(samples_used);
if (!unused_samples) unused_samples = modplug::tracker::SampleIndexInvalid;
}
if ((unused_samples) && (unused_samples != modplug::tracker::SampleIndexInvalid))
{
for (UINT iext=m_nSamples; iext>=1; iext--) if (!samples_used[iext])
{
unused_samples--;
samples_used[iext] = true;
DestroySample(iext);
n = iext;
for (UINT mapchk=0; mapchk<nmap; mapchk++)
{
if (samplemap[mapchk] == n) samplemap[mapchk] = 0;
}
for (UINT clrs=1; clrs<iIns; clrs++) if (Instruments[clrs])
{
modinstrument_t *pks = Instruments[clrs];
for (UINT ks=0; ks<128; ks++)
{
if (pks->Keyboard[ks] == n) pks->Keyboard[ks] = 0;
}
}
MemsetZero(Samples[n]);
break;
}
}
}
#endif // FASTSOUNDLIB
}
if (newsamples < n) newsamples = n;
samplemap[nmap] = n;
}
m_nSamples = newsamples;
// Reading Volume Envelope
modinstrument_t *pIns = Instruments[iIns];
pIns->midi_program = pih.type;
pIns->fadeout = xmsh.volfade;
pIns->default_pan = 128;
pIns->pitch_pan_center = 5*12;
SetDefaultInstrumentValues(pIns);
pIns->nPluginVelocityHandling = PLUGIN_VELOCITYHANDLING_CHANNEL;
pIns->nPluginVolumeHandling = PLUGIN_VOLUMEHANDLING_IGNORE;
if (xmsh.vtype & 1) pIns->volume_envelope.flags |= ENV_ENABLED;
if (xmsh.vtype & 2) pIns->volume_envelope.flags |= ENV_SUSTAIN;
if (xmsh.vtype & 4) pIns->volume_envelope.flags |= ENV_LOOP;
if (xmsh.ptype & 1) pIns->panning_envelope.flags |= ENV_ENABLED;
if (xmsh.ptype & 2) pIns->panning_envelope.flags |= ENV_SUSTAIN;
if (xmsh.ptype & 4) pIns->panning_envelope.flags |= ENV_LOOP;
if (xmsh.vnum > 12) xmsh.vnum = 12;
if (xmsh.pnum > 12) xmsh.pnum = 12;
pIns->volume_envelope.num_nodes = xmsh.vnum;
if (!xmsh.vnum) pIns->volume_envelope.flags &= ~ENV_ENABLED;
if (!xmsh.pnum) pIns->panning_envelope.flags &= ~ENV_ENABLED;
pIns->panning_envelope.num_nodes = xmsh.pnum;
pIns->volume_envelope.sustain_start = pIns->volume_envelope.sustain_end = xmsh.vsustain;
if (xmsh.vsustain >= 12) pIns->volume_envelope.flags &= ~ENV_SUSTAIN;
pIns->volume_envelope.loop_start = xmsh.vloops;
pIns->volume_envelope.loop_end = xmsh.vloope;
if (pIns->volume_envelope.loop_end >= 12) pIns->volume_envelope.loop_end = 0;
if (pIns->volume_envelope.loop_start >= pIns->volume_envelope.loop_end) pIns->volume_envelope.flags &= ~ENV_LOOP;
pIns->panning_envelope.sustain_start = pIns->panning_envelope.sustain_end = xmsh.psustain;
if (xmsh.psustain >= 12) pIns->panning_envelope.flags &= ~ENV_SUSTAIN;
pIns->panning_envelope.loop_start = xmsh.ploops;
pIns->panning_envelope.loop_end = xmsh.ploope;
if (pIns->panning_envelope.loop_end >= 12) pIns->panning_envelope.loop_end = 0;
if (pIns->panning_envelope.loop_start >= pIns->panning_envelope.loop_end) pIns->panning_envelope.flags &= ~ENV_LOOP;
pIns->global_volume = 64;
for (UINT ienv=0; ienv<12; ienv++)
{
pIns->volume_envelope.Ticks[ienv] = (uint16_t)xmsh.venv[ienv*2];
pIns->volume_envelope.Values[ienv] = (uint8_t)xmsh.venv[ienv*2+1];
pIns->panning_envelope.Ticks[ienv] = (uint16_t)xmsh.penv[ienv*2];
pIns->panning_envelope.Values[ienv] = (uint8_t)xmsh.penv[ienv*2+1];
if (ienv)
{
if (pIns->volume_envelope.Ticks[ienv] < pIns->volume_envelope.Ticks[ienv-1])
{
pIns->volume_envelope.Ticks[ienv] &= 0xFF;
pIns->volume_envelope.Ticks[ienv] += pIns->volume_envelope.Ticks[ienv-1] & 0xFF00;
if (pIns->volume_envelope.Ticks[ienv] < pIns->volume_envelope.Ticks[ienv-1]) pIns->volume_envelope.Ticks[ienv] += 0x100;
}
if (pIns->panning_envelope.Ticks[ienv] < pIns->panning_envelope.Ticks[ienv-1])
{
pIns->panning_envelope.Ticks[ienv] &= 0xFF;
pIns->panning_envelope.Ticks[ienv] += pIns->panning_envelope.Ticks[ienv-1] & 0xFF00;
if (pIns->panning_envelope.Ticks[ienv] < pIns->panning_envelope.Ticks[ienv-1]) pIns->panning_envelope.Ticks[ienv] += 0x100;
}
}
}
for (UINT j=0; j<96; j++)
{
pIns->NoteMap[j+12] = j+1+12;
if (xmsh.snum[j] < nsamples)
pIns->Keyboard[j+12] = samplemap[xmsh.snum[j]];
}
// Reading samples
for (UINT ins=0; ins<nsamples; ins++)
{
if ((dwMemPos + sizeof(xmss) > dwMemLength)
|| (dwMemPos + xmsh.shsize > dwMemLength)) return true;
memcpy(&xmss, lpStream + dwMemPos, sizeof(xmss));
xmss.samplen = LittleEndian(xmss.samplen);
xmss.loopstart = LittleEndian(xmss.loopstart);
xmss.looplen = LittleEndian(xmss.looplen);
dwMemPos += sizeof(XMSAMPLESTRUCT); // was: dwMemPos += xmsh.shsize; (this fixes IFULOVE.XM)
flags[ins] = (xmss.type & 0x10) ? RS_PCM16D : RS_PCM8D;
if (xmss.type & 0x20) flags[ins] = (xmss.type & 0x10) ? RS_STPCM16D : RS_STPCM8D;
samplesize[ins] = xmss.samplen;
if (!samplemap[ins]) continue;
if (xmss.type & 0x10)
{
xmss.looplen >>= 1;
xmss.loopstart >>= 1;
xmss.samplen >>= 1;
}
if (xmss.type & 0x20)
{
xmss.looplen >>= 1;
xmss.loopstart >>= 1;
xmss.samplen >>= 1;
}
if (xmss.samplen > MAX_SAMPLE_LENGTH) xmss.samplen = MAX_SAMPLE_LENGTH;
if (xmss.loopstart >= xmss.samplen) xmss.type &= ~3;
xmss.looplen += xmss.loopstart;
if (xmss.looplen > xmss.samplen) xmss.looplen = xmss.samplen;
if (!xmss.looplen) xmss.type &= ~3;
UINT imapsmp = samplemap[ins];
memcpy(m_szNames[imapsmp], xmss.name, 22);
SpaceToNullStringFixed<22>(m_szNames[imapsmp]);
modsample_t *pSmp = &Samples[imapsmp];
pSmp->length = (xmss.samplen > MAX_SAMPLE_LENGTH) ? MAX_SAMPLE_LENGTH : xmss.samplen;
pSmp->loop_start = xmss.loopstart;
pSmp->loop_end = xmss.looplen;
if (pSmp->loop_end > pSmp->length) pSmp->loop_end = pSmp->length;
if (pSmp->loop_start >= pSmp->loop_end)
{
pSmp->loop_start = pSmp->loop_end = 0;
}
if (xmss.type & 3) pSmp->flags |= CHN_LOOP;
if (xmss.type & 2) pSmp->flags |= CHN_PINGPONGLOOP;
pSmp->default_volume = xmss.vol << 2;
if (pSmp->default_volume > 256) pSmp->default_volume = 256;
pSmp->global_volume = 64;
if ((xmss.res == 0xAD) && (!(xmss.type & 0x30)))
{
flags[ins] = RS_ADPCM4;
samplesize[ins] = (samplesize[ins]+1)/2 + 16;
}
pSmp->nFineTune = xmss.finetune;
pSmp->RelativeTone = (int)xmss.relnote;
pSmp->default_pan = xmss.pan;
pSmp->flags |= CHN_PANNING;
pSmp->vibrato_type = xmsh.vibtype;
pSmp->vibrato_sweep = xmsh.vibsweep;
pSmp->vibrato_depth = xmsh.vibdepth;
pSmp->vibrato_rate = xmsh.vibrate;
memcpy(pSmp->legacy_filename, xmss.name, 22);
SpaceToNullStringFixed<21>(pSmp->legacy_filename);
if ((xmss.type & 3) == 3) // MPT 1.09 and maybe newer / older versions set both flags for bidi loops
bProbablyMPT109 = true;
}
bool module_renderer::SaveITProject(LPCSTR lpszFileName)
//-------------------------------------------------
{
// Check song type
if(!(m_dwSongFlags & SONG_ITPROJECT)) return false;
UINT i,j = 0;
for(i = 0 ; i < m_nInstruments ; i++) { if(m_szInstrumentPath[i][0] != '\0' || !Instruments[i+1]) j++; }
if(m_nInstruments && j != m_nInstruments) return false;
// Open file
FILE *f;
if((!lpszFileName) || ((f = fopen(lpszFileName, "wb")) == NULL)) return false;
// File ID
uint32_t id = ITP_FILE_ID;
fwrite(&id, 1, sizeof(id), f);
id = ITP_VERSION;
fwrite(&id, 1, sizeof(id), f);
// Song name
// name string length
id = 27;
fwrite(&id, 1, sizeof(id), f);
// song name
char namebuf[27];
copy_with_padding(namebuf, 27, this->song_name);
fwrite(namebuf, 1, 27, f);
// Song comments
// comment string length
id = m_lpszSongComments ? strlen(m_lpszSongComments)+1 : 0;
fwrite(&id, 1, sizeof(id), f);
// comment string
if(m_lpszSongComments) fwrite(&m_lpszSongComments[0], 1, strlen(m_lpszSongComments)+1, f);
// Song global config
id = (m_dwSongFlags & SONG_FILE_FLAGS);
fwrite(&id, 1, sizeof(id), f);
id = m_nDefaultGlobalVolume;
fwrite(&id, 1, sizeof(id), f);
id = m_nSamplePreAmp;
fwrite(&id, 1, sizeof(id), f);
id = m_nDefaultSpeed;
fwrite(&id, 1, sizeof(id), f);
id = m_nDefaultTempo;
fwrite(&id, 1, sizeof(id), f);
// Song channels data
// number of channels
id = m_nChannels;
fwrite(&id, 1, sizeof(id), f);
// channel name string length
id = MAX_CHANNELNAME;
fwrite(&id, 1, sizeof(id), f);
// channel config data
for(i=0; i<m_nChannels; i++){
id = ChnSettings[i].nPan;
fwrite(&id, 1, sizeof(id), f);
id = ChnSettings[i].dwFlags;
fwrite(&id, 1, sizeof(id), f);
id = ChnSettings[i].nVolume;
fwrite(&id, 1, sizeof(id), f);
fwrite(&ChnSettings[i].szName[0], 1, MAX_CHANNELNAME, f);
}
// Song mix plugins
// mix plugins data length
id = SaveMixPlugins(NULL, TRUE);
fwrite(&id, 1, sizeof(id), f);
// mix plugins data
SaveMixPlugins(f, FALSE);
// Song midi config
// midi cfg data length
id = sizeof(MODMIDICFG);
fwrite(&id, 1, sizeof(id), f);
// midi cfg
fwrite(&m_MidiCfg, 1, sizeof(MODMIDICFG), f);
// Song Instruments
// number of instruments
id = m_nInstruments;
fwrite(&id, 1, sizeof(id), f);
// path name string length
id = _MAX_PATH;
fwrite(&id, 1, sizeof(id), f);
// instruments' path
for(i=0; i<m_nInstruments; i++) fwrite(&m_szInstrumentPath[i][0], 1, _MAX_PATH, f);
// Song Orders
// order array size
id = Order.size();
fwrite(&id, 1, sizeof(id), f);
// order array
Order.WriteAsByte(f, id);
// Song Patterns
// number of patterns
id = MAX_PATTERNS;
fwrite(&id, 1, sizeof(id), f);
// number of pattern name strings
modplug::tracker::patternindex_t numNamedPats = Patterns.GetNumNamedPatterns();
numNamedPats = bad_min(numNamedPats, MAX_PATTERNS);
id = numNamedPats;
fwrite(&id, 1, sizeof(id), f);
// length of a pattern name string
id = MAX_PATTERNNAME;
fwrite(&id, 1, sizeof(id), f);
// pattern name string
for(modplug::tracker::patternindex_t nPat = 0; nPat < numNamedPats; nPat++)
{
char name[MAX_PATTERNNAME];
MemsetZero(name);
Patterns[nPat].GetName(name, MAX_PATTERNNAME);
fwrite(name, 1, MAX_PATTERNNAME, f);
}
// modcommand data length
id = sizeof(modplug::tracker::modevent_t);
fwrite(&id, 1, sizeof(id), f);
// patterns data content
for(UINT npat=0; npat<MAX_PATTERNS; npat++){
// pattern size (number of rows)
id = Patterns[npat] ? Patterns[npat].GetNumRows() : 0;
fwrite(&id, 1, sizeof(id), f);
// pattern data
if(Patterns[npat] && Patterns[npat].GetNumRows()) Patterns[npat].WriteITPdata(f);
//fwrite(Patterns[npat], 1, m_nChannels * Patterns[npat].GetNumRows() * sizeof(modplug::tracker::modcommand_t), f);
}
// Song lonely (instrument-less) samples
// Write original number of samples
id = m_nSamples;
fwrite(&id, 1, sizeof(id), f);
vector<bool> sampleUsed(m_nSamples, false);
// Mark samples used in instruments
for(i=0; i<m_nInstruments; i++)
{
if(Instruments[i + 1] != nullptr)
{
modinstrument_t *p = Instruments[i + 1];
for(j = 0; j < 128; j++)
{
if(p->Keyboard[j] > 0 && p->Keyboard[j] <= m_nSamples)
sampleUsed[p->Keyboard[j] - 1] = true;
}
}
}
// Count samples not used in any instrument
i = 0;
for(j = 1; j <= m_nSamples; j++)
if(!sampleUsed[j - 1] && Samples[j].sample_data) i++;
id = i;
fwrite(&id, 1, sizeof(id), f);
// Write samples not used in any instrument (help, this looks like duplicate code!)
ITSAMPLESTRUCT itss;
for(UINT nsmp=1; nsmp<=m_nSamples; nsmp++)
{
if(!sampleUsed[nsmp - 1] && Samples[nsmp].sample_data)
{
modsample_t *psmp = &Samples[nsmp];
memset(&itss, 0, sizeof(itss));
memcpy(itss.filename, psmp->legacy_filename, 12);
memcpy(itss.name, m_szNames[nsmp], 26);
itss.id = LittleEndian(IT_IMPS);
itss.gvl = (uint8_t)psmp->global_volume;
itss.flags = 0x00;
if(psmp->flags & CHN_LOOP) itss.flags |= 0x10;
if(psmp->flags & CHN_SUSTAINLOOP) itss.flags |= 0x20;
if(psmp->flags & CHN_PINGPONGLOOP) itss.flags |= 0x40;
if(psmp->flags & CHN_PINGPONGSUSTAIN) itss.flags |= 0x80;
itss.C5Speed = psmp->c5_samplerate;
if (!itss.C5Speed) itss.C5Speed = 8363;
itss.length = psmp->length;
itss.loopbegin = psmp->loop_start;
itss.loopend = psmp->loop_end;
itss.susloopbegin = psmp->sustain_start;
itss.susloopend = psmp->sustain_end;
itss.vol = (uint8_t)(psmp->default_volume >> 2);
itss.dfp = (uint8_t)(psmp->default_pan >> 2);
itss.vit = autovibxm2it[psmp->vibrato_type & 7];
itss.vis = bad_min(psmp->vibrato_rate, 64);
itss.vid = bad_min(psmp->vibrato_depth, 32);
itss.vir = bad_min(psmp->vibrato_sweep, 255); //(psmp->vibrato_sweep < 64) ? psmp->vibrato_sweep * 4 : 255;
if (psmp->flags & CHN_PANNING) itss.dfp |= 0x80;
if ((psmp->sample_data) && (psmp->length)) itss.cvt = 0x01;
UINT flags = RS_PCM8S;
if(psmp->flags & CHN_STEREO)
{
flags = RS_STPCM8S;
itss.flags |= 0x04;
}
if(psmp->flags & CHN_16BIT)
{
itss.flags |= 0x02;
flags = (psmp->flags & CHN_STEREO) ? RS_STPCM16S : RS_PCM16S;
}
id = nsmp;
fwrite(&id, 1, sizeof(id), f);
itss.samplepointer = NULL;
fwrite(&itss, 1, sizeof(ITSAMPLESTRUCT), f);
id = WriteSample(NULL, psmp, flags);
fwrite(&id, 1, sizeof(id), f);
WriteSample(f, psmp, flags);
}
}
void CViewComments::OnUpdate(CView *pSender, LPARAM lHint, CObject *)
//-------------------------------------------------------------------
{
//CHAR s[256], stmp[256];
CHAR s[512], stmp[256]; //rewbs.fix3082
CModDoc *pModDoc = GetDocument();
LV_COLUMN lvc;
LV_ITEM lvi, lvi2;
if ((!pModDoc) || (pSender == this) || (!(m_ItemList.m_hWnd))) return;
if (lHint & HINT_MPTOPTIONS)
{
m_ToolBar.UpdateStyle();
lHint &= ~HINT_MPTOPTIONS;
}
lHint &= (HINT_MODTYPE
|HINT_SMPNAMES|HINT_SAMPLEINFO
|HINT_INSNAMES|HINT_INSTRUMENT
/*|HINT_PATNAMES|HINT_PATTERNROW*/); // pattern stuff currently unused
if (!lHint) return;
const CSoundFile &sndFile = pModDoc->GetrSoundFile();
m_ToolBar.ChangeBitmap(IDC_LIST_INSTRUMENTS, sndFile.GetNumInstruments() ? IMAGE_INSTRUMENTS : IMAGE_INSTRMUTE);
m_ItemList.SetRedraw(FALSE);
// Add sample headers
if ((m_nListId != m_nCurrentListId) || (lHint & HINT_MODTYPE))
{
UINT ichk = 0;
m_ItemList.DeleteAllItems();
while ((m_ItemList.DeleteColumn(0)) && (ichk < 25)) ichk++;
m_nCurrentListId = m_nListId;
// Add Sample Headers
if (m_nCurrentListId == IDC_LIST_SAMPLES)
{
UINT nCol = 0;
for (UINT iSmp=0; iSmp<SMPLIST_COLUMNS; iSmp++)
{
MemsetZero(lvc);
lvc.mask = LVCF_FMT | LVCF_WIDTH | LVCF_TEXT | LVCF_SUBITEM;
lvc.fmt = (iSmp) ? LVCFMT_RIGHT : LVCFMT_LEFT;
lvc.pszText = (LPTSTR)gSampleHeaders[iSmp].pszName;
lvc.cx = gSampleHeaders[iSmp].cx;
lvc.iSubItem = iSmp;
m_ItemList.InsertColumn(nCol, &lvc);
nCol++;
}
} else
// Add Instrument Headers
if (m_nCurrentListId == IDC_LIST_INSTRUMENTS)
{
UINT nCol = 0;
for (UINT i=0; i<INSLIST_COLUMNS; i++)
{
MemsetZero(lvc);
lvc.mask = LVCF_FMT | LVCF_WIDTH | LVCF_TEXT | LVCF_SUBITEM;
lvc.fmt = (i) ? LVCFMT_RIGHT : LVCFMT_LEFT;
lvc.pszText = (LPTSTR)gInstrumentHeaders[i].pszName;
lvc.cx = gInstrumentHeaders[i].cx;
lvc.iSubItem = i;
m_ItemList.InsertColumn(nCol, &lvc);
nCol++;
}
} else
lHint |= HINT_MODTYPE;
}
// Add Items
UINT nCount = m_ItemList.GetItemCount();
// Add Samples
if ((m_nCurrentListId == IDC_LIST_SAMPLES) && (lHint & (HINT_MODTYPE|HINT_SMPNAMES|HINT_SAMPLEINFO)))
{
SAMPLEINDEX nMax = static_cast<SAMPLEINDEX>(nCount);
if (nMax < sndFile.GetNumSamples()) nMax = sndFile.GetNumSamples();
for (SAMPLEINDEX iSmp = 0; iSmp < nMax; iSmp++)
{
if (iSmp < sndFile.GetNumSamples())
{
UINT nCol = 0;
for (UINT iCol=0; iCol<SMPLIST_COLUMNS; iCol++)
{
const ModSample &sample = sndFile.GetSample(iSmp + 1);
s[0] = 0;
switch(iCol)
{
case SMPLIST_SAMPLENAME:
mpt::String::Copy(s, sndFile.m_szNames[iSmp + 1]);
break;
case SMPLIST_SAMPLENO:
wsprintf(s, "%02d", iSmp + 1);
break;
case SMPLIST_SIZE:
if (sample.nLength)
{
if(sample.GetSampleSizeInBytes() >= 1024)
wsprintf(s, "%d KB", sample.GetSampleSizeInBytes() >> 10);
else
wsprintf(s, "%d B", sample.GetSampleSizeInBytes());
}
break;
case SMPLIST_TYPE:
if(sample.nLength)
{
wsprintf(s, "%d Bit", sample.GetElementarySampleSize() * 8);
}
break;
case SMPLIST_INSTR:
if (sndFile.GetNumInstruments())
{
bool first = true;
for (INSTRUMENTINDEX i = 1; i <= sndFile.GetNumInstruments(); i++)
{
if (sndFile.IsSampleReferencedByInstrument(iSmp + 1, i))
{
if (!first) strcat(s, ",");
first = false;
wsprintf(stmp, "%d", i);
strcat(s, stmp);
if (strlen(s) > sizeof(s) - 10)
{
strcat(s, "...");
break;
}
}
}
}
break;
case SMPLIST_MIDDLEC:
if (sample.nLength)
{
wsprintf(s, "%d Hz", sample.GetSampleRate(sndFile.GetType()));
}
break;
case SMPLIST_FILENAME:
memcpy(s, sample.filename, sizeof(sample.filename));
s[CountOf(sample.filename)] = 0;
break;
}
lvi.mask = LVIF_TEXT;
lvi.iItem = iSmp;
lvi.iSubItem = nCol;
lvi.pszText = (LPTSTR)s;
if ((iCol) || (iSmp < nCount))
{
bool bOk = true;
if (iSmp < nCount)
{
lvi2 = lvi;
lvi2.pszText = (LPTSTR)stmp;
lvi2.cchTextMax = sizeof(stmp);
stmp[0] = 0;
m_ItemList.GetItem(&lvi2);
if (!strcmp(s, stmp)) bOk = false;
}
if (bOk) m_ItemList.SetItem(&lvi);
} else
{
m_ItemList.InsertItem(&lvi);
}
nCol++;
}
} else
bool CWaveDevice::InternalOpen()
//------------------------------
{
MPT_TRACE();
if(m_Settings.InputChannels > 0)
{
return false;
}
WAVEFORMATEXTENSIBLE wfext;
if(!FillWaveFormatExtensible(wfext, m_Settings))
{
return false;
}
WAVEFORMATEX *pwfx = &wfext.Format;
UINT nWaveDev = GetDeviceIndex();
nWaveDev = (nWaveDev > 0) ? nWaveDev - 1 : WAVE_MAPPER;
m_ThreadWakeupEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
if(m_ThreadWakeupEvent == INVALID_HANDLE_VALUE)
{
InternalClose();
return false;
}
m_Failed = false;
m_DriverBugs = 0;
m_hWaveOut = NULL;
if(waveOutOpen(&m_hWaveOut, nWaveDev, pwfx, (DWORD_PTR)WaveOutCallBack, (DWORD_PTR)this, CALLBACK_FUNCTION | (m_Settings.ExclusiveMode ? WAVE_FORMAT_DIRECT : 0)) != MMSYSERR_NOERROR)
{
InternalClose();
return false;
}
if(waveOutPause(m_hWaveOut) != MMSYSERR_NOERROR)
{
InternalClose();
return false;
}
m_nWaveBufferSize = Util::Round<int32>(m_Settings.UpdateInterval * pwfx->nAvgBytesPerSec);
m_nWaveBufferSize = Util::AlignUp<uint32>(m_nWaveBufferSize, pwfx->nBlockAlign);
m_nWaveBufferSize = mpt::clamp(m_nWaveBufferSize, static_cast<uint32>(WAVEOUT_MINBUFFERFRAMECOUNT * pwfx->nBlockAlign), static_cast<uint32>(Util::AlignDown<uint32>(WAVEOUT_MAXBUFFERSIZE, pwfx->nBlockAlign)));
std::size_t numBuffers = Util::Round<int32>(m_Settings.Latency * pwfx->nAvgBytesPerSec / m_nWaveBufferSize);
numBuffers = mpt::clamp(numBuffers, WAVEOUT_MINBUFFERS, WAVEOUT_MAXBUFFERS);
m_nPreparedHeaders = 0;
m_WaveBuffers.resize(numBuffers);
m_WaveBuffersData.resize(numBuffers);
for(std::size_t buf = 0; buf < numBuffers; ++buf)
{
MemsetZero(m_WaveBuffers[buf]);
m_WaveBuffersData[buf].resize(m_nWaveBufferSize);
m_WaveBuffers[buf].dwFlags = 0;
m_WaveBuffers[buf].lpData = &m_WaveBuffersData[buf][0];
m_WaveBuffers[buf].dwBufferLength = m_nWaveBufferSize;
if(waveOutPrepareHeader(m_hWaveOut, &m_WaveBuffers[buf], sizeof(WAVEHDR)) != MMSYSERR_NOERROR)
{
break;
}
m_WaveBuffers[buf].dwFlags |= WHDR_DONE;
m_nPreparedHeaders++;
}
if(!m_nPreparedHeaders)
{
InternalClose();
return false;
}
m_nBuffersPending = 0;
m_nWriteBuffer = 0;
m_nDoneBuffer = 0;
{
MPT_LOCK_GUARD<mpt::mutex> guard(m_PositionWraparoundMutex);
MemsetZero(m_PositionLast);
m_PositionWrappedCount = 0;
}
SetWakeupEvent(m_ThreadWakeupEvent);
SetWakeupInterval(m_nWaveBufferSize * 1.0 / m_Settings.GetBytesPerSecond());
m_Flags.NeedsClippedFloat = GetSysInfo().WindowsVersion.IsAtLeast(mpt::Windows::Version::WinVista);
return true;
}
void CSelectPluginDlg::OnOK()
//---------------------------
{
if(m_pPlugin==nullptr) { CDialog::OnOK(); return; }
bool changed = false;
CVstPluginManager *pManager = theApp.GetPluginManager();
VSTPluginLib *pNewPlug = GetSelectedPlugin();
VSTPluginLib *pFactory = nullptr;
IMixPlugin *pCurrentPlugin = nullptr;
if (m_pPlugin) pCurrentPlugin = m_pPlugin->pMixPlugin;
if ((pManager) && (pManager->IsValidPlugin(pNewPlug))) pFactory = pNewPlug;
if (pFactory)
{
// Plugin selected
if ((!pCurrentPlugin) || &pCurrentPlugin->GetPluginFactory() != pFactory)
{
CriticalSection cs;
// Destroy old plugin, if there was one.
m_pPlugin->Destroy();
// Initialize plugin info
MemsetZero(m_pPlugin->Info);
m_pPlugin->Info.dwPluginId1 = pFactory->pluginId1;
m_pPlugin->Info.dwPluginId2 = pFactory->pluginId2;
m_pPlugin->editorX = m_pPlugin->editorY = int32_min;
#ifndef NO_VST
if(m_pPlugin->Info.dwPluginId1 == kEffectMagic)
{
switch(m_pPlugin->Info.dwPluginId2)
{
// Enable drymix by default for these known plugins
case CCONST('S', 'c', 'o', 'p'):
m_pPlugin->SetWetMix();
break;
}
}
#endif // NO_VST
mpt::String::Copy(m_pPlugin->Info.szName, pFactory->libraryName.ToLocale().c_str());
mpt::String::Copy(m_pPlugin->Info.szLibraryName, pFactory->libraryName.ToUTF8().c_str());
cs.Leave();
// Now, create the new plugin
if(pManager && m_pModDoc)
{
pManager->CreateMixPlugin(*m_pPlugin, m_pModDoc->GetrSoundFile());
if (m_pPlugin->pMixPlugin)
{
IMixPlugin *p = m_pPlugin->pMixPlugin;
const CString name = p->GetDefaultEffectName();
if(!name.IsEmpty())
{
mpt::String::Copy(m_pPlugin->Info.szName, name.GetString());
}
// Check if plugin slot is already assigned to any instrument, and if not, create one.
if(p->IsInstrument() && m_pModDoc->HasInstrumentForPlugin(m_nPlugSlot) == INSTRUMENTINDEX_INVALID)
{
m_pModDoc->InsertInstrumentForPlugin(m_nPlugSlot);
}
} else
{
MemsetZero(m_pPlugin->Info);
}
}
changed = true;
}
} else if(m_pPlugin->IsValidPlugin())
{
// No effect
CriticalSection cs;
m_pPlugin->Destroy();
// Clear plugin info
MemsetZero(m_pPlugin->Info);
changed = true;
}
//remember window size:
SaveWindowPos();
if(changed)
{
if(m_pPlugin->Info.dwPluginId2)
TrackerSettings::Instance().gnPlugWindowLast = m_pPlugin->Info.dwPluginId2;
if(m_pModDoc)
{
m_pModDoc->UpdateAllViews(nullptr, PluginHint(static_cast<PLUGINDEX>(m_nPlugSlot + 1)).Info().Names());
}
CDialog::OnOK();
} else
{
CDialog::OnCancel();
}
}
int64 CWaveDevice::InternalGetStreamPositionFrames() const
//---------------------------------------------------------
{
// Apparently, at least with Windows XP, TIME_SAMPLES wraps aroud at 0x7FFFFFF (see
// http://www.tech-archive.net/Archive/Development/microsoft.public.win32.programmer.mmedia/2005-02/0070.html
// ).
// We may also, additionally, default to TIME_BYTES which would wraparound the earliest.
// We could thereby try to avoid any potential wraparound inside the driver on older
// Windows versions, which would be, once converted into other units, really
// difficult to detect or handle.
static const UINT timeType = TIME_SAMPLES; // shpuld work for sane systems
//static const std::size_t valid_bits = 32; // shpuld work for sane systems
//static const UINT timeType = TIME_BYTES; // safest
static const std::size_t valid_bits = 27; // safe for WinXP TIME_SAMPLES
static const uint32 valid_mask = static_cast<uint32>((uint64(1) << valid_bits) - 1u);
static const uint32 valid_watermark = static_cast<uint32>(uint64(1) << (valid_bits - 1u)); // half the valid range in order to be able to catch backwards fluctuations
MMTIME mmtime;
MemsetZero(mmtime);
mmtime.wType = timeType;
if(waveOutGetPosition(m_hWaveOut, &mmtime, sizeof(mmtime)) != MMSYSERR_NOERROR)
{
return 0;
}
if(mmtime.wType != TIME_MS && mmtime.wType != TIME_BYTES && mmtime.wType != TIME_SAMPLES)
{ // unsupported time format
return 0;
}
int64 offset = 0;
{
// handle wraparound
MPT_LOCK_GUARD<mpt::mutex> guard(m_PositionWraparoundMutex);
if(!m_PositionLast.wType)
{
// first call
m_PositionWrappedCount = 0;
} else if(mmtime.wType != m_PositionLast.wType)
{
// what? value type changed, do not try handling that for now.
m_PositionWrappedCount = 0;
} else
{
DWORD oldval = 0;
DWORD curval = 0;
switch(mmtime.wType)
{
case TIME_MS: oldval = m_PositionLast.u.ms; curval = mmtime.u.ms; break;
case TIME_BYTES: oldval = m_PositionLast.u.cb; curval = mmtime.u.cb; break;
case TIME_SAMPLES: oldval = m_PositionLast.u.sample; curval = mmtime.u.sample; break;
}
oldval &= valid_mask;
curval &= valid_mask;
if(((curval - oldval) & valid_mask) >= valid_watermark) // guard against driver problems resulting in time jumping backwards for short periods of time. BEWARE of integer wraparound when refactoring
{
curval = oldval;
}
switch(mmtime.wType)
{
case TIME_MS: mmtime.u.ms = curval; break;
case TIME_BYTES: mmtime.u.cb = curval; break;
case TIME_SAMPLES: mmtime.u.sample = curval; break;
}
if((curval ^ oldval) & valid_watermark) // MSB flipped
{
if(!(curval & valid_watermark)) // actually wrapped
{
m_PositionWrappedCount += 1;
}
}
}
m_PositionLast = mmtime;
offset = (static_cast<uint64>(m_PositionWrappedCount) << valid_bits);
}
int64 result = 0;
switch(mmtime.wType)
{
case TIME_MS: result += (static_cast<int64>(mmtime.u.ms & valid_mask) + offset) * m_Settings.GetBytesPerSecond() / (1000 * m_Settings.GetBytesPerFrame()); break;
case TIME_BYTES: result += (static_cast<int64>(mmtime.u.cb & valid_mask) + offset) / m_Settings.GetBytesPerFrame(); break;
case TIME_SAMPLES: result += (static_cast<int64>(mmtime.u.sample & valid_mask) + offset); break;
}
return result;
}