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winamp/Src/external_dependencies/openmpt-trunk/mptrack/OPLExport.cpp

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/*
* OPLExport.cpp
* -------------
* Purpose: Export of OPL register dumps as VGM/VGZ or DRO files
* Notes : (currently none)
* Authors: OpenMPT Devs
* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
*/
#include "stdafx.h"
#include "FileDialog.h"
#include "InputHandler.h"
#include "Mainfrm.h"
#include "Moddoc.h"
#include "ProgressDialog.h"
#include "../soundlib/OPL.h"
#include "../soundlib/Tagging.h"
#include <zlib/zlib.h>
OPENMPT_NAMESPACE_BEGIN
// DRO file header
struct DROHeaderV1
{
static constexpr char droMagic[] = "DBRAWOPL";
char magic[8];
uint16le verHi;
uint16le verLo;
uint32le lengthMs;
uint32le lengthBytes;
uint32le hardwareType;
};
MPT_BINARY_STRUCT(DROHeaderV1, 24);
// VGM file header
struct VGMHeader
{
static constexpr char VgmMagic[] = "Vgm ";
char magic[4];
uint32le eofOffset;
uint32le version;
uint32le sn76489clock;
uint32le ym2413clock;
uint32le gd3Offset;
uint32le totalNumSamples;
uint32le loopOffset;
uint32le loopNumSamples;
uint32le rate;
uint32le someChipClocks[3];
uint32le vgmDataOffset;
uint32le variousChipClocks[9];
uint32le ymf262clock; // 14318180
uint32le evenMoreChipClocks[7];
uint8 volumeModifier;
uint8 reserved[131]; // Various other fields we're not interested in
};
MPT_BINARY_STRUCT(VGMHeader, 256);
// VGM metadata header
struct Gd3Header
{
static constexpr char Gd3Magic[] = "Gd3 ";
char magic[4];
uint32le version;
uint32le size;
};
MPT_BINARY_STRUCT(Gd3Header, 12);
// The OPL register logger and serializer for VGM/VGZ/DRO files
class OPLCapture final : public OPL::IRegisterLogger
{
struct RegisterDump
{
CSoundFile::samplecount_t sampleOffset;
uint8 regLo;
uint8 regHi;
uint8 value;
};
public:
OPLCapture(CSoundFile &sndFile) : m_sndFile{sndFile} {}
void Reset()
{
m_registerDump.clear();
m_prevRegisters.clear();
}
void CaptureAllVoiceRegisters()
{
for(const auto reg : OPL::AllVoiceRegisters())
{
uint8 value = 0;
if(const auto prevValue = m_prevRegisters.find(reg); prevValue != m_prevRegisters.end())
value = prevValue->second;
m_registerDumpAtLoopStart[reg] = value;
}
}
void WriteDRO(std::ostream &f) const
{
DROHeaderV1 header{};
memcpy(header.magic, DROHeaderV1::droMagic, 8);
header.verHi = 0;
header.verLo = 1;
header.lengthMs = Util::muldivr_unsigned(m_sndFile.GetTotalSampleCount(), 1000, m_sndFile.GetSampleRate());
header.lengthBytes = 0;
header.hardwareType = 1; // OPL3
mpt::IO::Write(f, header);
CSoundFile::samplecount_t prevOffset = 0, prevOffsetMs = 0;
bool prevHigh = false;
for(const auto &reg : m_registerDump)
{
if(reg.sampleOffset > prevOffset)
{
uint32 offsetMs = Util::muldivr_unsigned(reg.sampleOffset, 1000, m_sndFile.GetSampleRate());
header.lengthBytes += WriteDRODelay(f, offsetMs - prevOffsetMs);
prevOffset = reg.sampleOffset;
prevOffsetMs = offsetMs;
}
if(const bool isHigh = (reg.regHi == 1); isHigh != prevHigh)
{
prevHigh = isHigh;
mpt::IO::Write(f, mpt::as_byte(2 + reg.regHi));
header.lengthBytes++;
}
if(reg.regLo <= 4)
{
mpt::IO::Write(f, mpt::as_byte(4));
header.lengthBytes++;
}
const uint8 regValue[] = {reg.regLo, reg.value};
mpt::IO::Write(f, regValue);
header.lengthBytes += 2;
}
if(header.lengthMs > prevOffsetMs)
header.lengthBytes += WriteDRODelay(f, header.lengthMs - prevOffsetMs);
MPT_ASSERT(mpt::IO::TellWrite(f) == static_cast<mpt::IO::Offset>(header.lengthBytes + sizeof(header)));
// AdPlug can read some metadata following the register dump, but DroTrimmer panics if it see that data.
// As the metadata is very limited (40 characters per field, unknown 8-bit encoding) we'll leave that feature to the VGM export.
#if 0
mpt::IO::Write(f, mpt::as_byte(0xFF));
mpt::IO::Write(f, mpt::as_byte(0xFF));
char name[40];
mpt::String::WriteBuf(mpt::String::maybeNullTerminated, name) = m_sndFile.m_songName;
mpt::IO::Write(f, mpt::as_byte(0x1A));
mpt::IO::Write(f, name);
if(!m_sndFile.m_songArtist.empty())
{
mpt::String::WriteBuf(mpt::String::maybeNullTerminated, name) = mpt::ToCharset(mpt::Charset::ISO8859_1, m_sndFile.m_songArtist);
mpt::IO::Write(f, mpt::as_byte(0x1B));
mpt::IO::Write(f, name);
}
#endif
mpt::IO::SeekAbsolute(f, 0);
mpt::IO::Write(f, header);
}
void WriteVGZ(std::ostream &f, const CSoundFile::samplecount_t loopStart, const FileTags &fileTags, const mpt::ustring &filename) const
{
std::ostringstream outStream;
WriteVGM(outStream, loopStart, fileTags);
std::string outData = std::move(outStream).str();
z_stream strm{};
strm.avail_in = static_cast<uInt>(outData.size());
strm.next_in = reinterpret_cast<Bytef *>(outData.data());
if(deflateInit2(&strm, Z_BEST_COMPRESSION, Z_DEFLATED, 15 | 16, 9, Z_DEFAULT_STRATEGY) != Z_OK)
throw std::runtime_error{"zlib init failed"};
gz_header gzHeader{};
gzHeader.time = static_cast<uLong>(time(nullptr));
std::string filenameISO = mpt::ToCharset(mpt::Charset::ISO8859_1, filename);
gzHeader.name = reinterpret_cast<Bytef *>(filenameISO.data());
deflateSetHeader(&strm, &gzHeader);
do
{
std::array<Bytef, mpt::IO::BUFFERSIZE_TINY> buffer;
strm.avail_out = static_cast<uInt>(buffer.size());
strm.next_out = buffer.data();
deflate(&strm, Z_FINISH);
mpt::IO::WritePartial(f, buffer, buffer.size() - strm.avail_out);
} while(strm.avail_out == 0);
deflateEnd(&strm);
}
void WriteVGM(std::ostream &f, const CSoundFile::samplecount_t loopStart, const FileTags &fileTags) const
{
VGMHeader header{};
memcpy(header.magic, VGMHeader::VgmMagic, 4);
header.version = 0x160;
header.vgmDataOffset = sizeof(header) - offsetof(VGMHeader, vgmDataOffset);
header.ymf262clock = 14318180;
header.totalNumSamples = static_cast<uint32>(m_sndFile.GetTotalSampleCount());
if(loopStart != Util::MaxValueOfType(loopStart))
header.loopNumSamples = static_cast<uint32>(m_sndFile.GetTotalSampleCount() - loopStart);
mpt::IO::Write(f, header);
bool wroteLoopStart = (header.loopNumSamples == 0);
CSoundFile::samplecount_t prevOffset = 0;
for(const auto &reg : m_registerDump)
{
if(reg.sampleOffset >= loopStart && !wroteLoopStart)
{
WriteVGMDelay(f, loopStart - prevOffset);
prevOffset = loopStart;
header.loopOffset = static_cast<uint32>(mpt::IO::TellWrite(f) - 0x1C);
wroteLoopStart = true;
for(const auto & [loopReg, value] : m_registerDumpAtLoopStart)
{
if(m_prevRegisters.count(loopReg))
{
const uint8 data[] = {static_cast<uint8>(0x5E + (loopReg >> 8)), static_cast<uint8>(loopReg & 0xFF), value};
mpt::IO::Write(f, data);
}
}
}
WriteVGMDelay(f, reg.sampleOffset - prevOffset);
prevOffset = reg.sampleOffset;
const uint8 data[] = {static_cast<uint8>(0x5E + reg.regHi), reg.regLo, reg.value};
mpt::IO::Write(f, data);
}
WriteVGMDelay(f, m_sndFile.GetTotalSampleCount() - prevOffset);
mpt::IO::Write(f, mpt::as_byte(0x66));
header.gd3Offset = static_cast<uint32>(mpt::IO::TellWrite(f) - offsetof(VGMHeader, gd3Offset));
const mpt::ustring tags[] =
{
fileTags.title,
{}, // Song name JP
{}, // Game name EN
{}, // Game name JP
Version::Current().GetOpenMPTVersionString(),
{}, // System name JP
fileTags.artist,
{}, // Author name JP
fileTags.year,
{}, // Person who created the VGM file
mpt::String::Replace(fileTags.comments, U_("\r\n"), U_("\n")),
};
std::ostringstream tagStream;
for(const auto &tag : tags)
{
WriteVGMString(tagStream, mpt::ToWide(tag));
}
const auto tagsData = std::move(tagStream).str();
Gd3Header gd3Header{};
memcpy(gd3Header.magic, Gd3Header::Gd3Magic, 4);
gd3Header.version = 0x100;
gd3Header.size = static_cast<uint32>(tagsData.size());
mpt::IO::Write(f, gd3Header);
mpt::IO::WriteRaw(f, mpt::as_span(tagsData));
header.eofOffset = static_cast<uint32>(mpt::IO::TellWrite(f) - offsetof(VGMHeader, eofOffset));
mpt::IO::SeekAbsolute(f, 0);
mpt::IO::Write(f, header);
}
private:
static uint32 WriteDRODelay(std::ostream &f, uint32 delay)
{
uint32 bytesWritten = 0;
while(delay > 256)
{
uint32 subDelay = std::min(delay, 65536u);
mpt::IO::Write(f, mpt::as_byte(1));
mpt::IO::WriteIntLE(f, static_cast<uint16>(subDelay - 1));
bytesWritten += 3;
delay -= subDelay;
}
if(delay)
{
mpt::IO::Write(f, mpt::as_byte(0));
mpt::IO::WriteIntLE(f, static_cast<uint8>(delay - 1));
bytesWritten += 2;
}
return bytesWritten;
}
static void WriteVGMDelay(std::ostream &f, CSoundFile::samplecount_t delay)
{
while(delay)
{
uint16 subDelay = mpt::saturate_cast<uint16>(delay);
if(subDelay <= 16)
{
mpt::IO::Write(f, mpt::as_byte(0x6F + subDelay));
} else if(subDelay == 735)
{
mpt::IO::Write(f, mpt::as_byte(0x62)); // 1/60th of a second
} else if(subDelay == 882)
{
mpt::IO::Write(f, mpt::as_byte(0x63)); // 1/50th of a second
} else
{
mpt::IO::Write(f, mpt::as_byte(0x61));
mpt::IO::WriteIntLE(f, subDelay);
}
delay -= subDelay;
}
}
static void WriteVGMString(std::ostream &f, const std::wstring &s)
{
std::vector<uint16le> s16le(s.length() + 1);
for(size_t i = 0; i < s.length(); i++)
{
s16le[i] = s[i] ? s[i] : L' ';
}
mpt::IO::Write(f, s16le);
}
void Port(CHANNELINDEX, uint16 reg, uint8 value) override
{
if(const auto prevValue = m_prevRegisters.find(reg); prevValue != m_prevRegisters.end() && prevValue->second == value)
return;
m_registerDump.push_back({m_sndFile.GetTotalSampleCount(), static_cast<uint8>(reg & 0xFF), static_cast<uint8>(reg >> 8), value});
m_prevRegisters[reg] = value;
}
std::vector<RegisterDump> m_registerDump;
std::map<uint16, uint8> m_prevRegisters, m_registerDumpAtLoopStart;
CSoundFile &m_sndFile;
};
class OPLExportDlg : public CProgressDialog
{
private:
enum class ExportFormat
{
VGZ = IDC_RADIO1,
VGM = IDC_RADIO2,
DRO = IDC_RADIO3,
};
static ExportFormat s_format;
OPLCapture m_oplLogger;
CSoundFile &m_sndFile;
CModDoc &m_modDoc;
std::vector<SubSong> m_subSongs;
size_t m_selectedSong = 0;
bool m_conversionRunning = false;
bool m_locked = true;
public:
OPLExportDlg(CModDoc &modDoc, CWnd *parent = nullptr)
: CProgressDialog{parent, IDD_OPLEXPORT}
, m_oplLogger{modDoc.GetSoundFile()}
, m_sndFile{modDoc.GetSoundFile()}
, m_modDoc{modDoc}
, m_subSongs{modDoc.GetSoundFile().GetAllSubSongs()}
{
}
BOOL OnInitDialog() override
{
CProgressDialog::OnInitDialog();
CheckRadioButton(IDC_RADIO1, IDC_RADIO3, static_cast<int>(s_format));
CheckRadioButton(IDC_RADIO4, IDC_RADIO5, IDC_RADIO4);
static_cast<CSpinButtonCtrl *>(GetDlgItem(IDC_SPIN1))->SetRange32(1, static_cast<int>(m_subSongs.size()));
SetDlgItemInt(IDC_EDIT1, static_cast<UINT>(m_selectedSong + 1), FALSE);
if(m_subSongs.size() <= 1)
{
const int controls[] = {IDC_RADIO4, IDC_RADIO5, IDC_EDIT1, IDC_SPIN1};
for(int control : controls)
GetDlgItem(control)->EnableWindow(FALSE);
}
UpdateSubsongName();
OnFormatChanged();
SetDlgItemText(IDC_EDIT2, mpt::ToWin(m_sndFile.GetCharsetFile(), m_sndFile.GetTitle()).c_str());
SetDlgItemText(IDC_EDIT3, mpt::ToWin(m_sndFile.m_songArtist).c_str());
if(!m_sndFile.GetFileHistory().empty())
SetDlgItemText(IDC_EDIT4, mpt::ToWin(mpt::String::Replace(m_sndFile.GetFileHistory().back().AsISO8601().substr(0, 10), U_("-"), U_("/"))).c_str());
SetDlgItemText(IDC_EDIT5, mpt::ToWin(m_sndFile.GetCharsetFile(), m_sndFile.m_songMessage.GetFormatted(SongMessage::leCRLF)).c_str());
m_locked = false;
return TRUE;
}
void OnOK() override
{
mpt::PathString extension = P_("vgz");
s_format = static_cast<ExportFormat>(GetCheckedRadioButton(IDC_RADIO1, IDC_RADIO3));
if(s_format == ExportFormat::DRO)
extension = P_("dro");
else if(s_format == ExportFormat::VGM)
extension = P_("vgm");
FileDialog dlg = SaveFileDialog()
.DefaultExtension(extension)
.DefaultFilename(m_modDoc.GetPathNameMpt().GetFileName().ReplaceExt(P_(".") + extension))
.ExtensionFilter(MPT_UFORMAT("{} Files|*.{}||")(mpt::ToUpperCase(extension.ToUnicode()), extension))
.WorkingDirectory(TrackerSettings::Instance().PathExport.GetWorkingDir());
if(!dlg.Show())
{
OnCancel();
return;
}
TrackerSettings::Instance().PathExport.SetWorkingDir(dlg.GetWorkingDirectory());
DoConversion(dlg.GetFirstFile());
CProgressDialog::OnOK();
}
void OnCancel() override
{
if(m_conversionRunning)
CProgressDialog::OnCancel();
else
CDialog::OnCancel();
}
void Run() override {}
afx_msg void OnFormatChanged()
{
const int controls[] = {IDC_EDIT2, IDC_EDIT3, IDC_EDIT4, IDC_EDIT5};
for(int control : controls)
GetDlgItem(control)->EnableWindow(GetCheckedRadioButton(IDC_RADIO1, IDC_RADIO3) == static_cast<int>(ExportFormat::DRO) ? FALSE : TRUE);
}
afx_msg void OnSubsongChanged()
{
if(m_locked)
return;
CheckRadioButton(IDC_RADIO4, IDC_RADIO5, IDC_RADIO5);
BOOL ok = FALSE;
const auto newSubSong = std::clamp(static_cast<size_t>(GetDlgItemInt(IDC_EDIT1, &ok, FALSE)), size_t(1), m_subSongs.size()) - 1;
if(m_selectedSong == newSubSong || !ok)
return;
m_selectedSong = newSubSong;
UpdateSubsongName();
}
void UpdateSubsongName()
{
const auto subsongText = GetDlgItem(IDC_SUBSONG);
if(subsongText == nullptr || m_selectedSong >= m_subSongs.size())
return;
const auto &song = m_subSongs[m_selectedSong];
const auto sequenceName = m_sndFile.Order(song.sequence).GetName();
const auto startPattern = m_sndFile.Order(song.sequence).PatternAt(song.startOrder);
const auto orderName = startPattern ? startPattern->GetName() : std::string{};
subsongText->SetWindowText(MPT_TFORMAT("Sequence {}{}\nOrder {} to {}{}")(
song.sequence + 1,
sequenceName.empty() ? mpt::tstring{} : MPT_TFORMAT(" ({})")(sequenceName),
song.startOrder,
song.endOrder,
orderName.empty() ? mpt::tstring{} : MPT_TFORMAT(" ({})")(mpt::ToWin(m_sndFile.GetCharsetInternal(), orderName)))
.c_str());
}
void DoConversion(const mpt::PathString &fileName)
{
const int controls[] = {IDC_RADIO1, IDC_RADIO2, IDC_RADIO3, IDC_RADIO4, IDC_RADIO5, IDC_EDIT1, IDC_EDIT2, IDC_EDIT3, IDC_EDIT4, IDC_EDIT5, IDC_SPIN1, IDOK};
for(int control : controls)
GetDlgItem(control)->EnableWindow(FALSE);
BypassInputHandler bih;
CMainFrame::GetMainFrame()->StopMod(&m_modDoc);
FileTags fileTags;
{
CString title, artist, date, notes;
GetDlgItemText(IDC_EDIT2, title);
GetDlgItemText(IDC_EDIT3, artist);
GetDlgItemText(IDC_EDIT4, date);
GetDlgItemText(IDC_EDIT5, notes);
fileTags.title = mpt::ToUnicode(title);
fileTags.artist = mpt::ToUnicode(artist);
fileTags.year = mpt::ToUnicode(date);
fileTags.comments = mpt::ToUnicode(notes);
}
if(IsDlgButtonChecked(IDC_RADIO5))
m_subSongs = {m_subSongs[m_selectedSong]};
SetRange(0, mpt::saturate_round<uint64>(std::accumulate(m_subSongs.begin(), m_subSongs.end(), 0.0, [](double acc, const auto &song) { return acc + song.duration; }) * m_sndFile.GetSampleRate()));
GetDlgItem(IDC_PROGRESS1)->ShowWindow(SW_SHOW);
m_sndFile.m_bIsRendering = true;
const auto origSettings = m_sndFile.m_MixerSettings;
auto newSettings = m_sndFile.m_MixerSettings;
if(s_format != ExportFormat::DRO)
newSettings.gdwMixingFreq = 44100; // required for VGM, DRO doesn't care
m_sndFile.SetMixerSettings(newSettings);
const auto origSequence = m_sndFile.Order.GetCurrentSequenceIndex();
const auto origRepeatCount = m_sndFile.GetRepeatCount();
m_sndFile.SetRepeatCount(0);
auto opl = std::move(m_sndFile.m_opl);
const auto songIndexFmt = mpt::FormatSpec{}.Dec().FillNul().Width(1 + static_cast<int>(std::log10(m_subSongs.size())));
size_t totalSamples = 0;
for(size_t i = 0; i < m_subSongs.size() && !m_abort; i++)
{
const auto &song = m_subSongs[i];
m_sndFile.ResetPlayPos();
m_sndFile.GetLength(eAdjust, GetLengthTarget(song.startOrder, song.startRow).StartPos(song.sequence, 0, 0));
m_sndFile.m_SongFlags.reset(SONG_PLAY_FLAGS);
m_oplLogger.Reset();
m_sndFile.m_opl = std::make_unique<OPL>(m_oplLogger);
auto prevTime = timeGetTime();
CSoundFile::samplecount_t loopStart = std::numeric_limits<CSoundFile::samplecount_t>::max(), subsongSamples = 0;
while(!m_abort)
{
auto count = m_sndFile.ReadOneTick();
if(count == 0)
break;
if(loopStart == Util::MaxValueOfType(loopStart)
&& m_sndFile.m_PlayState.m_nCurrentOrder == song.loopStartOrder && m_sndFile.m_PlayState.m_nRow == song.loopStartRow
&& (song.loopStartOrder != song.startOrder || song.loopStartRow != song.startRow))
{
loopStart = subsongSamples;
m_oplLogger.CaptureAllVoiceRegisters(); // Make sure all registers are in the correct state when looping back
}
totalSamples += count;
subsongSamples += count;
auto currentTime = timeGetTime();
if(currentTime - prevTime >= 16)
{
prevTime = currentTime;
auto timeSec = subsongSamples / m_sndFile.GetSampleRate();
SetWindowText(MPT_TFORMAT("Exporting Song {} / {}... {}:{}:{}")(i + 1, m_subSongs.size(), timeSec / 3600, mpt::cfmt::dec0<2>((timeSec / 60) % 60), mpt::cfmt::dec0<2>(timeSec % 60)).c_str());
SetProgress(totalSamples);
ProcessMessages();
}
}
if(m_sndFile.m_SongFlags[SONG_BREAKTOROW] && loopStart == Util::MaxValueOfType(loopStart) && song.loopStartOrder == song.startOrder && song.loopStartRow == song.startRow)
loopStart = 0;
mpt::PathString currentFileName = fileName;
if(m_subSongs.size() > 1)
currentFileName = fileName.ReplaceExt(mpt::PathString::FromNative(MPT_TFORMAT(" ({})")(mpt::ufmt::fmt(i + 1, songIndexFmt))) + fileName.GetFileExt());
mpt::SafeOutputFile sf(currentFileName, std::ios::binary, mpt::FlushModeFromBool(TrackerSettings::Instance().MiscFlushFileBuffersOnSave));
mpt::ofstream &f = sf;
try
{
if(!f)
throw std::exception{};
f.exceptions(f.exceptions() | std::ios::badbit | std::ios::failbit);
if(s_format == ExportFormat::DRO)
m_oplLogger.WriteDRO(f);
else if(s_format == ExportFormat::VGM)
m_oplLogger.WriteVGM(f, loopStart, fileTags);
else
m_oplLogger.WriteVGZ(f, loopStart, fileTags, currentFileName.ReplaceExt(P_(".vgm")).GetFullFileName().ToUnicode());
} catch(const std::exception &)
{
Reporting::Error(MPT_UFORMAT("Unable to write to file {}!")(currentFileName));
break;
}
}
// Reset globals to previous values
m_sndFile.m_opl = std::move(opl);
m_sndFile.SetRepeatCount(origRepeatCount);
m_sndFile.Order.SetSequence(origSequence);
m_sndFile.ResetPlayPos();
m_sndFile.SetMixerSettings(origSettings);
m_sndFile.m_bIsRendering = false;
}
DECLARE_MESSAGE_MAP()
};
OPLExportDlg::ExportFormat OPLExportDlg::s_format = OPLExportDlg::ExportFormat::VGZ;
BEGIN_MESSAGE_MAP(OPLExportDlg, CDialog)
//{{AFX_MSG_MAP(OPLExportDlg)
ON_COMMAND(IDC_RADIO1, &OPLExportDlg::OnFormatChanged)
ON_COMMAND(IDC_RADIO2, &OPLExportDlg::OnFormatChanged)
ON_COMMAND(IDC_RADIO3, &OPLExportDlg::OnFormatChanged)
ON_EN_CHANGE(IDC_EDIT1, &OPLExportDlg::OnSubsongChanged)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
void CModDoc::OnFileOPLExport()
{
bool anyOPL = false;
for(SAMPLEINDEX smp = 1; smp <= GetNumSamples(); smp++)
{
if(m_SndFile.GetSample(smp).uFlags[CHN_ADLIB])
{
anyOPL = true;
break;
}
}
if(!anyOPL)
{
Reporting::Information(_T("This module does not use any OPL instruments."), _T("No OPL Instruments Found"));
return;
}
OPLExportDlg dlg{*this, CMainFrame::GetMainFrame()};
dlg.DoModal();
}
OPENMPT_NAMESPACE_END
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