ardour/livetrax
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discover AU presets without instantiating plugin

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This commit is contained in:
Robin Gareus 2016-01-07 20:35:28 +01:00
parent 2cddd0d81f
commit 674b4ec0db
2 changed files with 86 additions and 6 deletions
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2
libs/ardour/ardour/audio_unit.h
View File

@ -232,6 +232,8 @@ class LIBARDOUR_API AUPluginInfo : public PluginInfo {
PluginPtr load (Session& session);
virtual std::vector<Plugin::PresetRecord> get_presets(Session& session);
bool needs_midi_input ();
bool is_effect () const;
bool is_effect_without_midi_input () const;

90
libs/ardour/audio_unit.cc
View File

@ -2124,16 +2124,16 @@ static bool au_preset_filter (const string& str, void* arg)
include "<manufacturer>/<plugin-name>" in their path.
*/
Plugin* p = (Plugin *) arg;
string match = p->maker();
AUPluginInfo* p = (AUPluginInfo *) arg;
string match = p->creator;
match += '/';
match += p->name();
match += p->name;
ret = str.find (match) != string::npos;
if (ret == false) {
string m = p->maker ();
string n = p->name ();
string m = p->creator;
string n = p->name;
strip_whitespace_edges (m);
strip_whitespace_edges (n);
match = m;
@ -2285,7 +2285,10 @@ AUPlugin::find_presets ()
user_preset_map.clear ();
find_files_matching_filter (preset_files, preset_search_path, au_preset_filter, this, true, true, true);
PluginInfoPtr nfo = get_info();
find_files_matching_filter (preset_files, preset_search_path, au_preset_filter,
boost::dynamic_pointer_cast<AUPluginInfo> (nfo).get(),
true, true, true);
if (preset_files.empty()) {
DEBUG_TRACE (DEBUG::AudioUnits, "AU No Preset Files found for given plugin.\n");
@ -2380,6 +2383,81 @@ AUPluginInfo::load (Session& session)
}
}
std::vector<Plugin::PresetRecord>
AUPluginInfo::get_presets(Session& session)
{
std::vector<Plugin::PresetRecord> p;
boost::shared_ptr<CAComponent> comp;
#ifndef NO_PLUGIN_STATE
try {
comp = boost::shared_ptr<CAComponent>(new CAComponent(*descriptor));
if (!comp->IsValid()) {
throw failed_constructor();
}
} catch (failed_constructor& err) {
return p;
}
// user presets
if (!preset_search_path_initialized) {
Glib::ustring p = Glib::get_home_dir();
p += "/Library/Audio/Presets:";
p += preset_search_path;
preset_search_path = p;
preset_search_path_initialized = true;
DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Preset Path: %1\n", preset_search_path));
}
vector<string> preset_files;
find_files_matching_filter (preset_files, preset_search_path, au_preset_filter, this, true, true, true);
for (vector<string>::iterator x = preset_files.begin(); x != preset_files.end(); ++x) {
string path = *x;
string preset_name;
preset_name = Glib::path_get_basename (path);
preset_name = preset_name.substr (0, preset_name.find_last_of ('.'));
if (check_and_get_preset_name (comp.get()->Comp(), path, preset_name)) {
p.push_back (Plugin::PresetRecord (path, preset_name));
}
}
// factory presets
CFArrayRef presets;
UInt32 dataSize;
Boolean isWritable;
boost::shared_ptr<CAAudioUnit> unit (new CAAudioUnit);
if (noErr != CAAudioUnit::Open (*(comp.get()), *unit)) {
return p;
}
if (noErr != unit->GetPropertyInfo (kAudioUnitProperty_FactoryPresets, kAudioUnitScope_Global, 0, &dataSize, &isWritable)) {
unit->Uninitialize ();
return p;
}
if (noErr != unit->GetProperty (kAudioUnitProperty_FactoryPresets, kAudioUnitScope_Global, 0, (void*) &presets, &dataSize)) {
unit->Uninitialize ();
return p;
}
if (!presets) {
unit->Uninitialize ();
return p;
}
CFIndex cnt = CFArrayGetCount (presets);
for (CFIndex i = 0; i < cnt; ++i) {
AUPreset* preset = (AUPreset*) CFArrayGetValueAtIndex (presets, i);
string const uri = string_compose ("%1", i);
string name = CFStringRefToStdString (preset->presetName);
p.push_back (Plugin::PresetRecord (uri, name, false));
}
CFRelease (presets);
unit->Uninitialize ();
#endif // NO_PLUGIN_STATE
return p;
}
Glib::ustring
AUPluginInfo::au_cache_path ()
{