bool ConvertLegacyTrack(wxTextFile *f, XMLFileWriter &xmlFile)
{
wxString line;
wxString kind;
kind = (*f)[f->GetCurrentLine()];
if (kind == wxT("WaveTrack")) {
xmlFile.StartTag(wxT("wavetrack"));
xmlFile.WriteAttr(wxT("name"), f->GetNextLine());
wxString channel = f->GetNextLine();
if (channel == wxT("left")) {
xmlFile.WriteAttr(wxT("channel"), 0);
line = f->GetNextLine();
}
else if (channel == wxT("right")) {
xmlFile.WriteAttr(wxT("channel"), 1);
line = f->GetNextLine();
}
else if (channel == wxT("mono")) {
xmlFile.WriteAttr(wxT("channel"), 2);
line = f->GetNextLine();
}
else {
xmlFile.WriteAttr(wxT("channel"), 2);
line = channel;
}
if (line == wxT("linked")) {
xmlFile.WriteAttr(wxT("linked"), 1);
line = f->GetNextLine();
}
if (line != wxT("offset"))
return false;
xmlFile.WriteAttr(wxT("offset"), f->GetNextLine());
long envLen;
if (f->GetNextLine() != wxT("EnvNumPoints"))
return false;
line = f->GetNextLine();
line.ToLong(&envLen);
if (envLen < 0 || envLen > 10000)
return false;
size_t envStart = f->GetCurrentLine();
if (f->GetLineCount() < envStart+(2*envLen)+1)
return false;
f->GoToLine(envStart+(2*envLen));
if (f->GetNextLine() != wxT("EnvEnd"))
return false;
if (f->GetNextLine() != wxT("numSamples"))
return false;
wxString numSamples = f->GetNextLine();
if (f->GetNextLine() != wxT("rate"))
return false;
xmlFile.WriteAttr(wxT("rate"), f->GetNextLine());
if (envLen > 0) {
xmlFile.StartTag(wxT("envelope"));
xmlFile.WriteAttr(wxT("numpoints"), envLen);
long i;
for(i=0; i<envLen; i++) {
xmlFile.StartTag(wxT("controlpoint"));
xmlFile.WriteAttr(wxT("t"), f->GetLine(envStart + 2*i + 1));
xmlFile.WriteAttr(wxT("val"), f->GetLine(envStart + 2*i + 2));
xmlFile.EndTag(wxT("controlpoint"));
}
xmlFile.EndTag(wxT("envelope"));
}
if (f->GetNextLine() != wxT("numBlocks"))
return false;
long numBlocks;
line = f->GetNextLine();
line.ToLong(&numBlocks);
if (numBlocks < 0 || numBlocks > 131072)
return false;
xmlFile.StartTag(wxT("sequence"));
xmlFile.WriteAttr(wxT("maxsamples"), 524288);
xmlFile.WriteAttr(wxT("sampleformat"), 131073);
xmlFile.WriteAttr(wxT("numsamples"), numSamples);
long b;
for(b=0; b<numBlocks; b++) {
wxString start;
wxString len;
wxString name;
if (f->GetNextLine() != wxT("Block start"))
return false;
start = f->GetNextLine();
if (f->GetNextLine() != wxT("Block len"))
return false;
len = f->GetNextLine();
if (f->GetNextLine() != wxT("Block info"))
return false;
name = f->GetNextLine();
xmlFile.StartTag(wxT("waveblock"));
xmlFile.WriteAttr(wxT("start"), start);
xmlFile.StartTag(wxT("legacyblockfile"));
if (name == wxT("Alias")) {
wxString aliasPath = f->GetNextLine();
wxString localLen = f->GetNextLine();
wxString aliasStart = f->GetNextLine();
wxString aliasLen = f->GetNextLine();
wxString aliasChannel = f->GetNextLine();
wxString localName = f->GetNextLine();
xmlFile.WriteAttr(wxT("name"), localName);
xmlFile.WriteAttr(wxT("alias"), 1);
xmlFile.WriteAttr(wxT("aliaspath"), aliasPath);
xmlFile.WriteAttr(wxT("aliasstart"), aliasStart);
xmlFile.WriteAttr(wxT("aliaslen"), aliasLen);
xmlFile.WriteAttr(wxT("aliaschannel"), aliasChannel);
xmlFile.WriteAttr(wxT("summarylen"), localLen);
xmlFile.WriteAttr(wxT("norms"), 1);
}
else {
xmlFile.WriteAttr(wxT("name"), name);
xmlFile.WriteAttr(wxT("len"), len);
xmlFile.WriteAttr(wxT("summarylen"), 8244);
xmlFile.WriteAttr(wxT("norms"), 1);
}
xmlFile.EndTag(wxT("legacyblockfile"));
xmlFile.EndTag(wxT("waveblock"));
}
xmlFile.EndTag(wxT("sequence"));
xmlFile.EndTag(wxT("wavetrack"));
return true;
}
else if (kind == wxT("LabelTrack")) {
line = f->GetNextLine();
if (line != wxT("NumMLabels"))
return false;
long numLabels, l;
line = f->GetNextLine();
line.ToLong(&numLabels);
if (numLabels < 0 || numLabels > 1000000)
return false;
xmlFile.StartTag(wxT("labeltrack"));
xmlFile.WriteAttr(wxT("name"), wxT("Labels"));
xmlFile.WriteAttr(wxT("numlabels"), numLabels);
for(l=0; l<numLabels; l++) {
wxString t, title;
t = f->GetNextLine();
title = f->GetNextLine();
xmlFile.StartTag(wxT("label"));
xmlFile.WriteAttr(wxT("t"), t);
xmlFile.WriteAttr(wxT("title"), title);
xmlFile.EndTag(wxT("label"));
}
xmlFile.EndTag(wxT("labeltrack"));
line = f->GetNextLine();
if (line != wxT("MLabelsEnd"))
return false;
return true;
}
else if (kind == wxT("NoteTrack")) {
// Just skip over it - they didn't even work in version 1.0!
do {
line = f->GetNextLine();
if (line == wxT("WaveTrack") ||
line == wxT("NoteTrack") ||
line == wxT("LabelTrack") ||
line == wxT("EndTracks")) {
f->GoToLine(f->GetCurrentLine()-1);
return true;
}
} while (f->GetCurrentLine() < f->GetLineCount());
return false;
}
else
return false;
}
void VSTEffectDialog::OnSave(wxCommandEvent & evt)
{
int i = mProgram->GetCurrentSelection();
wxString fn;
// Ask the user for the real name
fn = FileSelector(_("Save VST Program As:"),
FileNames::DataDir(),
mProgram->GetValue() + wxT(".xml"),
wxT("xml"),
wxT("*.xml"),
wxFD_SAVE | wxFD_OVERWRITE_PROMPT | wxRESIZE_BORDER,
this);
// User canceled...
if (fn.IsEmpty()) {
return;
}
XMLFileWriter xmlFile;
// Create/Open the file
xmlFile.Open(fn, wxT("wb"));
xmlFile.StartTag(wxT("vstprogrampersistence"));
xmlFile.WriteAttr(wxT("version"), wxT("1"));
i = mEffect->callDispatcher(effGetVendorVersion, 0, 0, NULL, 0.0);
xmlFile.StartTag(wxT("effect"));
xmlFile.WriteAttr(wxT("name"), mEffect->GetEffectIdentifier());
xmlFile.WriteAttr(wxT("version"), i);
xmlFile.StartTag(wxT("program"));
xmlFile.WriteAttr(wxT("name"), mProgram->GetValue());
long clen = 0;
if (mAEffect->flags & effFlagsProgramChunks) {
void *chunk = NULL;
clen = mEffect->callDispatcher(effGetChunk, 1, 0, &chunk, 0.0);
if (clen != 0) {
xmlFile.StartTag(wxT("chunk"));
xmlFile.WriteSubTree(b64encode(chunk, clen) + wxT('\n'));
xmlFile.EndTag(wxT("chunk"));
}
}
if (clen == 0) {
for (i = 0; i < mAEffect->numParams; i++) {
xmlFile.StartTag(wxT("param"));
xmlFile.WriteAttr(wxT("index"), i);
xmlFile.WriteAttr(wxT("name"),
mEffect->GetString(effGetParamName, i));
xmlFile.WriteAttr(wxT("value"),
wxString::Format(wxT("%f"),
mEffect->callGetParameter(i)));
xmlFile.EndTag(wxT("param"));
}
}
xmlFile.EndTag(wxT("program"));
xmlFile.EndTag(wxT("effect"));
xmlFile.EndTag(wxT("vstprogrampersistence"));
// Close the file
xmlFile.Close();
}
bool ConvertLegacyProjectFile(wxFileName filename)
{
wxTextFile f;
XMLFileWriter xmlFile;
int index = 0;
wxString backupName;
do {
index++;
fflush(stdout);
backupName = filename.GetPath() + wxFILE_SEP_PATH + filename.GetName() +
wxT("_bak") + wxString::Format(wxT("%d"), index) + wxT(".") + filename.GetExt();
} while(::wxFileExists(backupName));
// This will move the original file out of the way, but
// move it back if we exit from this function early.
AutoRollbackRenamer renamer(filename.GetFullPath(), backupName);
if (!renamer.RenameSucceeded())
return false;
f.Open(backupName);
if (!f.IsOpened())
return false;
wxString name = filename.GetFullPath();
try
{
xmlFile.Open(name, wxT("wb"));
}
catch (XMLFileWriterException* pException)
{
delete pException;
return false;
}
renamer.SetNewFile(xmlFile.fp());
try
{
xmlFile.Write(wxT("<?xml version=\"1.0\"?>\n"));
wxString label;
wxString value;
if (f.GetFirstLine() != wxT("AudacityProject"))
return false;
if (f.GetNextLine() != wxT("Version"))
return false;
if (f.GetNextLine() != wxT("0.95"))
return false;
if (f.GetNextLine() != wxT("projName"))
return false;
xmlFile.StartTag(wxT("audacityproject"));
xmlFile.WriteAttr(wxT("projname"), f.GetNextLine());
xmlFile.WriteAttr(wxT("version"), wxT("1.1.0"));
xmlFile.WriteAttr(wxT("audacityversion"),AUDACITY_VERSION_STRING);
label = f.GetNextLine();
while (label != wxT("BeginTracks")) {
xmlFile.WriteAttr(label, f.GetNextLine());
label = f.GetNextLine();
}
label = f.GetNextLine();
while (label != wxT("EndTracks")) {
bool success = ConvertLegacyTrack(&f, xmlFile);
if (!success)
return false;
label = f.GetNextLine();
}
xmlFile.EndTag(wxT("audacityproject"));
xmlFile.Close();
}
catch (XMLFileWriterException* pException)
{
// Error writing XML file (e.g. disk full)
delete pException;
return false;
}
renamer.Finished();
::wxMessageBox(wxString::Format(_("Converted a 1.0 project file to the new format.\nThe old file has been saved as '%s'"), backupName.c_str()),
_("Opening Audacity Project"));
return true;
}