X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fbackends%2Fportaudio%2Fportaudio_backend.h;h=b028dc212bd5265fa8cfd782eff2fa7ad9502292;hb=b2cf028fcba055110a9b1bf36af0fb6bd443c1af;hp=f0ef5fa9932df2a22b0d659176e3aba0e8d374e2;hpb=d54a32037406775cad9431c3f0cc21fa9670fba2;p=ardour.git

diff --git a/libs/backends/portaudio/portaudio_backend.h b/libs/backends/portaudio/portaudio_backend.h
index f0ef5fa993..b028dc212b 100644
--- a/libs/backends/portaudio/portaudio_backend.h
+++ b/libs/backends/portaudio/portaudio_backend.h
@@ -197,8 +197,8 @@ class PortAudioBackend : 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; }
+		int set_systemic_midi_input_latency (std::string const, uint32_t);
+		int set_systemic_midi_output_latency (std::string const, uint32_t);
 
 		int reset_device () { return 0; };
 
@@ -213,10 +213,10 @@ class PortAudioBackend : 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; }
+		uint32_t     systemic_midi_input_latency (std::string const) const;
+		uint32_t     systemic_midi_output_latency (std::string const) const;
 
-		bool can_set_systemic_midi_latencies () const { return false; }
+		bool can_set_systemic_midi_latencies () const { return true; }
 
 		/* External control app */
 		std::string control_app_name () const;
@@ -227,15 +227,9 @@ class PortAudioBackend : 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;
-		}
+		std::vector<DeviceStatus> enumerate_midi_devices () const;
+		int set_midi_device_enabled (std::string const, bool);
+		bool midi_device_enabled (std::string const) const;
 
 	protected:
 		/* State Control */
@@ -402,6 +396,8 @@ class PortAudioBackend : public AudioBackend {
 		uint32_t _systemic_audio_input_latency;
 		uint32_t _systemic_audio_output_latency;
 
+		MidiDeviceInfo* midi_device_info(const std::string&) const;
+
 		/* portaudio specific  */
 		int name_to_id(std::string) const;