ardour/livetrax
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Restore VST preset saving without chunks. Fixes #3602.

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git-svn-id: svn://localhost/ardour2/branches/3.0@8281 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Carl Hetherington 2010-12-15 02:58:55 +00:00
parent 17d4d60052
commit a6ed335ae9
1 changed files with 103 additions and 78 deletions
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181
libs/ardour/vst_plugin.cc
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@ -355,107 +355,134 @@ VSTPlugin::get_parameter_descriptor (uint32_t which, ParameterDescriptor& desc)
bool
VSTPlugin::load_preset (const string& name)
{
if (_plugin->flags & 32 /* effFlagsProgramsChunks */) {
XMLTree* t = presets_tree ();
if (t == 0) {
return false;
}
XMLNode* root = t->root ();
/* Load a user preset chunk from our XML file and send it via a circuitous route to the plugin */
for (XMLNodeList::const_iterator i = root->children().begin(); i != root->children().end(); ++i) {
assert ((*i)->name() == X_("ChunkPreset"));
XMLProperty* uri = (*i)->property (X_("uri"));
XMLProperty* label = (*i)->property (X_("label"));
assert (uri);
assert (label);
if (label->value() == name) {
if (_fst->wanted_chunk) {
g_free (_fst->wanted_chunk);
}
for (XMLNodeList::const_iterator j = (*i)->children().begin(); j != (*i)->children().end(); ++j) {
if ((*j)->is_content ()) {
/* we can't dispatch directly here; too many plugins expect only one GUI thread */
gsize size = 0;
guchar* raw_data = g_base64_decode ((*j)->content().c_str(), &size);
_fst->wanted_chunk = raw_data;
_fst->wanted_chunk_size = size;
_fst->want_chunk = 1;
return true;
}
}
}
}
XMLTree* t = presets_tree ();
if (t == 0) {
return false;
}
XMLNode* root = t->root ();
return true;
for (XMLNodeList::const_iterator i = root->children().begin(); i != root->children().end(); ++i) {
XMLProperty* uri = (*i)->property (X_("uri"));
XMLProperty* label = (*i)->property (X_("label"));
assert (uri);
assert (label);
if (label->value() != name) {
continue;
}
if (_plugin->flags & 32 /* effFlagsProgramsChunks */) {
/* Load a user preset chunk from our XML file and send it via a circuitous route to the plugin */
if (_fst->wanted_chunk) {
g_free (_fst->wanted_chunk);
}
for (XMLNodeList::const_iterator j = (*i)->children().begin(); j != (*i)->children().end(); ++j) {
if ((*j)->is_content ()) {
/* we can't dispatch directly here; too many plugins expect only one GUI thread */
gsize size = 0;
guchar* raw_data = g_base64_decode ((*j)->content().c_str(), &size);
_fst->wanted_chunk = raw_data;
_fst->wanted_chunk_size = size;
_fst->want_chunk = 1;
return true;
}
}
return false;
} else {
for (XMLNodeList::const_iterator j = (*i)->children().begin(); j != (*i)->children().end(); ++j) {
if ((*j)->name() == X_("Parameter")) {
XMLProperty* index = (*j)->property (X_("index"));
XMLProperty* value = (*j)->property (X_("value"));
assert (index);
assert (value);
set_parameter (atoi (index->value().c_str()), atof (value->value().c_str ()));
}
}
return true;
}
}
return false;
}
string
VSTPlugin::do_save_preset (string name)
{
XMLTree* t = presets_tree ();
if (t == 0) {
return "";
}
XMLNode* p = 0;
/* XXX: use of _presets.size() + 1 for the unique ID here is dubious at best */
string const uri = string_compose (X_("VST:%1:%2"), unique_id (), _presets.size() + 1);
if (_plugin->flags & 32 /* effFlagsProgramsChunks */) {
XMLTree* t = presets_tree ();
if (t == 0) {
return "";
}
/* Add a chunk to our XML file of user presets */
XMLNode* p = new XMLNode (X_("ChunkPreset"));
/* XXX: use of _presets.size() + 1 for the unique ID here is dubious at best */
string const uri = string_compose (X_("VST:%1:%2"), unique_id (), _presets.size() + 1);
p = new XMLNode (X_("ChunkPreset"));
p->add_property (X_("uri"), uri);
p->add_property (X_("label"), name);
gchar* data = get_chunk (true);
p->add_content (string (data));
g_free (data);
t->root()->add_child_nocopy (*p);
} else {
sys::path f = ARDOUR::user_config_directory ();
f /= "presets";
f /= presets_file ();
p = new XMLNode (X_("Preset"));
p->add_property (X_("uri"), uri);
p->add_property (X_("label"), name);
cout << "Write presets to " << f.to_string () << "\n";
t->write (f.to_string ());
delete t;
return uri;
for (uint32_t i = 0; i < parameter_count(); ++i) {
if (parameter_is_input (i)) {
XMLNode* c = new XMLNode (X_("Parameter"));
c->add_property (X_("index"), string_compose ("%1", i));
c->add_property (X_("value"), string_compose ("%1", get_parameter (i)));
p->add_child_nocopy (*c);
}
}
}
return "";
t->root()->add_child_nocopy (*p);
sys::path f = ARDOUR::user_config_directory ();
f /= "presets";
f /= presets_file ();
t->write (f.to_string ());
delete t;
return uri;
}
void
VSTPlugin::do_remove_preset (string name)
{
if (_plugin->flags & 32 /* effFlagsProgramsChunks */) {
XMLTree* t = presets_tree ();
if (t == 0) {
return;
}
t->root()->remove_nodes_and_delete (X_("label"), name);
sys::path f = ARDOUR::user_config_directory ();
f /= "presets";
f /= presets_file ();
cout << "Write presets to " << f.to_string () << "\n";
t->write (f.to_string ());
delete t;
XMLTree* t = presets_tree ();
if (t == 0) {
return;
}
t->root()->remove_nodes_and_delete (X_("label"), name);
sys::path f = ARDOUR::user_config_directory ();
f /= "presets";
f /= presets_file ();
t->write (f.to_string ());
delete t;
}
string
@ -679,8 +706,6 @@ VSTPlugin::get_presets ()
XMLNode* root = t->root ();
for (XMLNodeList::const_iterator i = root->children().begin(); i != root->children().end(); ++i) {
assert ((*i)->name() == X_("ChunkPreset"));
XMLProperty* uri = (*i)->property (X_("uri"));
XMLProperty* label = (*i)->property (X_("label"));