[plugin-manager] in MidiSourceNode, set remote instance and get prese…

…ts URID.

Surprisingly(?), remote instance was always null.

androidaudioplugin-manager/src/main/cpp/AAPMidiEventTranslator.cpp

@@ -81,7 +81,7 @@ size_t aap::AAPMidiEventTranslator::runThroughMidi2UmpForMidiMapping(uint8_t* by
                         conversion_helper_buffer_size,
                         0,
                         instance->aapxsRequestIdSerial(),
-                        0, // FIXME: provide valid URID
+                        preset_urid,
                         AAP_PRESETS_EXTENSION_URI,
                         OPCODE_SET_PRESET_INDEX,
                         (const uint8_t *) aapxsInstance->serialization->data,
@@ -160,3 +160,10 @@ size_t aap::AAPMidiEventTranslator::translateMidiBufferIfNeeded(uint8_t* bytes,
     }
     return 0;
 }
+
+void aap::AAPMidiEventTranslator::setPlugin(aap::RemotePluginInstance *pluginInstance) {
+    auto reg = instance ? instance->getAAPXSRegistry() : nullptr;
+    auto map = reg ? reg->items()->getUridMapping() : nullptr;
+    preset_urid = map ? map->getUrid(AAP_PRESETS_EXTENSION_URI) : aap::xs::UridMapping::UNMAPPED_URID;
+    instance = pluginInstance;
+}

androidaudioplugin-manager/src/main/cpp/AAPMidiEventTranslator.h

@@ -11,6 +11,7 @@ namespace aap {
 
     class AAPMidiEventTranslator {
         RemotePluginInstance* instance;
+        uint8_t preset_urid{aap::xs::UridMapping::UNMAPPED_URID};
         // used when we need MIDI1<->UMP translation.
         uint8_t* translation_buffer{nullptr};
         int32_t midi_buffer_size;
@@ -28,6 +29,8 @@ namespace aap {
         AAPMidiEventTranslator(RemotePluginInstance* instance, int32_t midiBufferSize = AAP_MANAGER_MIDI_BUFFER_SIZE, int32_t initialMidiProtocol = CMIDI2_PROTOCOL_TYPE_MIDI2);
         ~AAPMidiEventTranslator();
 
+        void setPlugin(RemotePluginInstance* pluginInstance);
+
         int32_t translateMidiEvent(uint8_t *data, int32_t length);
 
         // If needed, translate MIDI1 bytestream to MIDI2 UMP.

androidaudioplugin-manager/src/main/cpp/AudioGraph.cpp

@@ -33,6 +33,7 @@ void aap::SimpleLinearAudioGraph::processAudio(AudioBuffer *audioData, int32_t n
 }
 
 void aap::SimpleLinearAudioGraph::setPlugin(aap::RemotePluginInstance *instance) {
+    midi_input.setPlugin(instance);
     plugin.setPlugin(instance);
 }
 

androidaudioplugin-manager/src/main/cpp/AudioGraphNode.h

@@ -168,6 +168,8 @@ namespace aap {
 
         virtual ~MidiSourceNode();
 
+        void setPlugin(RemotePluginInstance* instance) { translator.setPlugin(instance); }
+
         void addMidiEvent(uint8_t *data, int32_t length, int64_t timestampInNanoseconds);
 
         void start() override;