add AudioEngine API to configure individual MIDI devices

1 files changed, 17 insertions, 0 deletions

diff --git a/libs/backends/dummy/dummy_audiobackend.h b/libs/backends/dummy/dummy_audiobackend.h
index b8069ee429..d4732f5eeb 100644
--- a/libs/backends/dummy/dummy_audiobackend.h
+++ b/libs/backends/dummy/dummy_audiobackend.h
@@ -171,6 +171,8 @@ class DummyAudioBackend : public AudioBackend {
 		int set_output_channels (uint32_t);
 		int set_systemic_input_latency (uint32_t);
 		int set_systemic_output_latency (uint32_t);
+		int set_systemic_midi_input_latency (std::string const, uint32_t) { return 0; }
+		int set_systemic_midi_output_latency (std::string const, uint32_t) { return 0; }
 
 		/* Retrieving parameters */
 		std::string  device_name () const;
@@ -181,6 +183,8 @@ class DummyAudioBackend : public AudioBackend {
 		uint32_t     output_channels () const;
 		uint32_t     systemic_input_latency () const;
 		uint32_t     systemic_output_latency () const;
+		uint32_t     systemic_midi_input_latency (std::string const) const { return 0; }
+		uint32_t     systemic_midi_output_latency (std::string const) const { return 0; }
 
 		/* External control app */
 		std::string control_app_name () const { return std::string (); }
@@ -191,6 +195,19 @@ class DummyAudioBackend : public AudioBackend {
 		int set_midi_option (const std::string&);
 		std::string midi_option () const;
 
+		std::vector<DeviceStatus> enumerate_midi_devices () const {
+			return std::vector<AudioBackend::DeviceStatus> ();
+		}
+		int set_midi_device_enabled (std::string const, bool) {
+			return 0;
+		}
+		bool midi_device_enabled (std::string const) const {
+			return true;
+		}
+		bool can_set_systemic_midi_latencies () const {
+			return false;
+		}
+
 		/* State Control */
 	protected:
 		int _start (bool for_latency_measurement);