don't take temporary copy of MIDI sequence

[ardour.git] / libs / backends / dummy / dummy_audiobackend.h

diff --git a/libs/backends/dummy/dummy_audiobackend.h b/libs/backends/dummy/dummy_audiobackend.h
index af8ecc12d835ac1b76bbfb9c2ffa5dd0cb449968..56929d939c3de4e1be9b3f69e6493a63475ce36e 100644 (file)
--- a/libs/backends/dummy/dummy_audiobackend.h
+++ b/libs/backends/dummy/dummy_audiobackend.h
@@ -193,12 +193,14 @@ class DummyMidiPort : public DummyPort {
                DataType type () const { return DataType::MIDI; };
 
                void* get_buffer (pframes_t nframes);
-               const DummyMidiBuffer const_buffer () const { return _buffer; }
+               const DummyMidiBuffer * const_buffer () const { return &_buffer; }
 
                void setup_generator (int, float const);
+               void set_loopback (DummyMidiBuffer const * const src);
 
        private:
                DummyMidiBuffer _buffer;
+               DummyMidiBuffer _loopback;
 
                // midi event generator ('fake' physical inputs)
                void midi_generate (const pframes_t n_samples);
@@ -362,6 +364,12 @@ class DummyAudioBackend : public AudioBackend {
                static size_t max_buffer_size() {return _max_buffer_size;}
 
        private:
+               enum MidiPortMode {
+                       MidiNoEvents,
+                       MidiGenerator,
+                       MidiLoopback,
+               };
+
                std::string _instance_name;
                static std::vector<std::string> _midi_options;
                static std::vector<AudioBackend::DeviceStatus> _device_status;
@@ -381,7 +389,7 @@ class DummyAudioBackend : public AudioBackend {
 
                uint32_t _n_midi_inputs;
                uint32_t _n_midi_outputs;
-               bool     _enable_midi_generators;
+               MidiPortMode _midi_mode;
 
                uint32_t _systemic_input_latency;
                uint32_t _systemic_output_latency;