+
+ if (node.name() != state_node_name()) {
+ error << _("Bad node sent to AUPlugin::set_state") << endmsg;
+ return -1;
+ }
+
+ if (node.children().empty()) {
+ return -1;
+ }
+
+ XMLNode* top = node.children().front();
+ XMLNode* copy = new XMLNode (*top);
+
+ XMLTree t;
+ t.set_root (copy);
+
+ const string& xml = t.write_buffer ();
+ CFDataRef xmlData = CFDataCreateWithBytesNoCopy (kCFAllocatorDefault, (UInt8*) xml.data(), xml.length(), kCFAllocatorNull);
+ CFStringRef errorString;
+
+ propertyList = CFPropertyListCreateFromXMLData( kCFAllocatorDefault,
+ xmlData,
+ kCFPropertyListImmutable,
+ &errorString);
+
+ CFRelease (xmlData);
+
+ if (propertyList) {
+ DEBUG_TRACE (DEBUG::AudioUnits, "set preset\n");
+ if (unit->SetAUPreset (propertyList) == noErr) {
+ ret = 0;
+
+ /* tell the world */
+
+ AudioUnitParameter changedUnit;
+ changedUnit.mAudioUnit = unit->AU();
+ changedUnit.mParameterID = kAUParameterListener_AnyParameter;
+ AUParameterListenerNotify (NULL, NULL, &changedUnit);
+ }
+ CFRelease (propertyList);
+ }
+
+ Plugin::set_state (node, version);
+ return ret;
+#else
+ if (!seen_set_state_message) {
+ info << string_compose (_("Restoring AudioUnit settings is not supported in this build of %1. Consider paying for a newer version"),
+ PROGRAM_NAME)
+ << endmsg;
+ }
+ return Plugin::set_state (node, version);
+#endif
+}
+
+bool
+AUPlugin::load_preset (PresetRecord r)
+{
+ Plugin::load_preset (r);
+
+#ifdef AU_STATE_SUPPORT
+ bool ret = false;
+ CFPropertyListRef propertyList;
+ Glib::ustring path;
+ UserPresetMap::iterator ux;
+ FactoryPresetMap::iterator fx;
+
+ /* look first in "user" presets */
+
+ if ((ux = user_preset_map.find (r.label)) != user_preset_map.end()) {
+
+ if ((propertyList = load_property_list (ux->second)) != 0) {
+ DEBUG_TRACE (DEBUG::AudioUnits, "set preset from user presets\n");
+ if (unit->SetAUPreset (propertyList) == noErr) {
+ ret = true;
+
+ /* tell the world */
+
+ AudioUnitParameter changedUnit;
+ changedUnit.mAudioUnit = unit->AU();
+ changedUnit.mParameterID = kAUParameterListener_AnyParameter;
+ AUParameterListenerNotify (NULL, NULL, &changedUnit);
+ }
+ CFRelease(propertyList);
+ }
+
+ } else if ((fx = factory_preset_map.find (r.label)) != factory_preset_map.end()) {
+
+ AUPreset preset;
+
+ preset.presetNumber = fx->second;
+ preset.presetName = CFStringCreateWithCString (kCFAllocatorDefault, fx->first.c_str(), kCFStringEncodingUTF8);
+
+ DEBUG_TRACE (DEBUG::AudioUnits, "set preset from factory presets\n");
+
+ if (unit->SetPresentPreset (preset) == 0) {
+ ret = true;
+
+ /* tell the world */
+
+ AudioUnitParameter changedUnit;
+ changedUnit.mAudioUnit = unit->AU();
+ changedUnit.mParameterID = kAUParameterListener_AnyParameter;
+ AUParameterListenerNotify (NULL, NULL, &changedUnit);
+ }
+ }
+
+ return ret;
+#else
+ if (!seen_loading_message) {
+ info << string_compose (_("Loading AudioUnit presets is not supported in this build of %1. Consider paying for a newer version"),
+ PROGRAM_NAME)
+ << endmsg;
+ seen_loading_message = true;
+ }
+ return true;
+#endif
+}
+
+void
+AUPlugin::do_remove_preset (std::string)
+{
+}
+
+string
+AUPlugin::do_save_preset (string preset_name)
+{
+#ifdef AU_STATE_SUPPORT
+ CFPropertyListRef propertyList;
+ vector<Glib::ustring> v;
+ Glib::ustring user_preset_path;
+ bool ret = true;
+
+ std::string m = maker();
+ std::string n = name();
+
+ strip_whitespace_edges (m);
+ strip_whitespace_edges (n);
+
+ v.push_back (Glib::get_home_dir());
+ v.push_back ("Library");
+ v.push_back ("Audio");
+ v.push_back ("Presets");
+ v.push_back (m);
+ v.push_back (n);
+
+ user_preset_path = Glib::build_filename (v);
+
+ if (g_mkdir_with_parents (user_preset_path.c_str(), 0775) < 0) {
+ error << string_compose (_("Cannot create user plugin presets folder (%1)"), user_preset_path) << endmsg;
+ return false;
+ }
+
+ DEBUG_TRACE (DEBUG::AudioUnits, "get current preset\n");
+ if (unit->GetAUPreset (propertyList) != noErr) {
+ return false;
+ }
+
+ // add the actual preset name */
+
+ v.push_back (preset_name + preset_suffix);
+
+ // rebuild
+
+ user_preset_path = Glib::build_filename (v);
+
+ set_preset_name_in_plist (propertyList, preset_name);
+
+ if (save_property_list (propertyList, user_preset_path)) {
+ error << string_compose (_("Saving plugin state to %1 failed"), user_preset_path) << endmsg;
+ ret = false;
+ }
+
+ CFRelease(propertyList);
+
+ return string ("file:///") + user_preset_path;
+#else
+ if (!seen_saving_message) {
+ info << string_compose (_("Saving AudioUnit presets is not supported in this build of %1. Consider paying for a newer version"),
+ PROGRAM_NAME)
+ << endmsg;
+ seen_saving_message = true;
+ }
+ return string();
+#endif
+}
+
+//-----------------------------------------------------------------------------
+// this is just a little helper function used by GetAUComponentDescriptionFromPresetFile()
+static SInt32
+GetDictionarySInt32Value(CFDictionaryRef inAUStateDictionary, CFStringRef inDictionaryKey, Boolean * outSuccess)
+{
+ CFNumberRef cfNumber;
+ SInt32 numberValue = 0;
+ Boolean dummySuccess;
+
+ if (outSuccess == NULL)
+ outSuccess = &dummySuccess;
+ if ( (inAUStateDictionary == NULL) || (inDictionaryKey == NULL) )
+ {
+ *outSuccess = FALSE;
+ return 0;
+ }
+
+ cfNumber = (CFNumberRef) CFDictionaryGetValue(inAUStateDictionary, inDictionaryKey);
+ if (cfNumber == NULL)
+ {
+ *outSuccess = FALSE;
+ return 0;
+ }
+ *outSuccess = CFNumberGetValue(cfNumber, kCFNumberSInt32Type, &numberValue);
+ if (*outSuccess)
+ return numberValue;
+ else
+ return 0;
+}
+
+static OSStatus
+GetAUComponentDescriptionFromStateData(CFPropertyListRef inAUStateData, ComponentDescription * outComponentDescription)
+{
+ CFDictionaryRef auStateDictionary;
+ ComponentDescription tempDesc = {0,0,0,0,0};
+ SInt32 versionValue;
+ Boolean gotValue;
+
+ if ( (inAUStateData == NULL) || (outComponentDescription == NULL) )
+ return paramErr;
+
+ // the property list for AU state data must be of the dictionary type
+ if (CFGetTypeID(inAUStateData) != CFDictionaryGetTypeID()) {
+ return kAudioUnitErr_InvalidPropertyValue;
+ }
+
+ auStateDictionary = (CFDictionaryRef)inAUStateData;
+
+ // first check to make sure that the version of the AU state data is one that we know understand
+ // XXX should I really do this? later versions would probably still hold these ID keys, right?
+ versionValue = GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetVersionKey), &gotValue);
+
+ if (!gotValue) {
+ return kAudioUnitErr_InvalidPropertyValue;
+ }
+#define kCurrentSavedStateVersion 0
+ if (versionValue != kCurrentSavedStateVersion) {
+ return kAudioUnitErr_InvalidPropertyValue;
+ }
+
+ // grab the ComponentDescription values from the AU state data
+ tempDesc.componentType = (OSType) GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetTypeKey), NULL);
+ tempDesc.componentSubType = (OSType) GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetSubtypeKey), NULL);
+ tempDesc.componentManufacturer = (OSType) GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetManufacturerKey), NULL);
+ // zero values are illegit for specific ComponentDescriptions, so zero for any value means that there was an error
+ if ( (tempDesc.componentType == 0) || (tempDesc.componentSubType == 0) || (tempDesc.componentManufacturer == 0) )
+ return kAudioUnitErr_InvalidPropertyValue;
+
+ *outComponentDescription = tempDesc;
+ return noErr;
+}
+
+
+static bool au_preset_filter (const string& str, void* arg)
+{
+ /* Not a dotfile, has a prefix before a period, suffix is aupreset */
+
+ bool ret;
+
+ ret = (str[0] != '.' && str.length() > 9 && str.find (preset_suffix) == (str.length() - preset_suffix.length()));
+
+ if (ret && arg) {
+
+ /* check the preset file path name against this plugin
+ ID. The idea is that all preset files for this plugin
+ include "<manufacturer>/<plugin-name>" in their path.
+ */
+
+ Plugin* p = (Plugin *) arg;
+ string match = p->maker();
+ match += '/';
+ match += p->name();
+
+ ret = str.find (match) != string::npos;
+
+ if (ret == false) {
+ string m = p->maker ();
+ string n = p->name ();
+ strip_whitespace_edges (m);
+ strip_whitespace_edges (n);
+ match = m;
+ match += '/';
+ match += n;
+
+ ret = str.find (match) != string::npos;
+ }
+ }
+
+ return ret;
+}
+
+bool
+check_and_get_preset_name (Component component, const string& pathstr, string& preset_name)
+{
+ OSStatus status;
+ CFPropertyListRef plist;
+ ComponentDescription presetDesc;
+ bool ret = false;
+
+ plist = load_property_list (pathstr);
+
+ if (!plist) {
+ return ret;
+ }
+
+ // get the ComponentDescription from the AU preset file
+
+ status = GetAUComponentDescriptionFromStateData(plist, &presetDesc);
+
+ if (status == noErr) {
+ if (ComponentAndDescriptionMatch_Loosely(component, &presetDesc)) {
+
+ /* try to get the preset name from the property list */
+
+ if (CFGetTypeID(plist) == CFDictionaryGetTypeID()) {
+
+ const void* psk = CFDictionaryGetValue ((CFMutableDictionaryRef)plist, CFSTR(kAUPresetNameKey));
+
+ if (psk) {
+
+ const char* p = CFStringGetCStringPtr ((CFStringRef) psk, kCFStringEncodingUTF8);
+
+ if (!p) {
+ char buf[PATH_MAX+1];
+
+ if (CFStringGetCString ((CFStringRef)psk, buf, sizeof (buf), kCFStringEncodingUTF8)) {
+ preset_name = buf;
+ }
+ }
+ }
+ }
+ }
+ }
+
+ CFRelease (plist);
+
+ return true;