X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Faudio_unit.h;h=14665da30199c141972bc0a493fff157f67f8a4d;hb=494635b99b9cdac42fd7a14e80c78ce437d6f606;hp=0a786d54624acf6d168866a87c798a0b1d06301a;hpb=0938a42440cc82ce8d0cb064840c258c863714ab;p=ardour.git

diff --git a/libs/ardour/ardour/audio_unit.h b/libs/ardour/ardour/audio_unit.h
index 0a786d5462..14665da301 100644
--- a/libs/ardour/ardour/audio_unit.h
+++ b/libs/ardour/ardour/audio_unit.h
@@ -94,6 +94,8 @@ class AUPlugin : public ARDOUR::Plugin
 	bool parameter_is_control (uint32_t) const;
 	bool parameter_is_input (uint32_t) const;
 	bool parameter_is_output (uint32_t) const;
+	
+	void set_info (PluginInfoPtr);
 
 	int set_state(const XMLNode& node, int);
 
@@ -104,6 +106,8 @@ class AUPlugin : public ARDOUR::Plugin
 
 	bool reconfigurable_io() const { return true; }
 	bool can_support_io_configuration (const ChanCount& in, ChanCount& out) const;
+	ChanCount output_streams() const;
+	ChanCount input_streams() const;
 	bool configure_io (ChanCount in, ChanCount out);
 	bool requires_fixed_size_buffers() const;
 
@@ -139,6 +143,17 @@ class AUPlugin : public ARDOUR::Plugin
 
 	static std::string maybe_fix_broken_au_id (const std::string&);
 
+        /* this MUST be called from thread in which you want to receive notifications
+	   about parameter changes.
+	*/
+	int create_parameter_listener (AUEventListenerProc callback, void *arg, float interval_secs);
+        /* these can be called from any thread but SHOULD be called from the same thread
+	   that will receive parameter change notifications.
+	*/
+	int listen_to_parameter (uint32_t param_id);
+	int end_listen_to_parameter (uint32_t param_id);
+
+
   protected:
 	std::string do_save_preset (std::string name);
 	void do_remove_preset (std::string);
@@ -183,20 +198,26 @@ class AUPlugin : public ARDOUR::Plugin
 	void discover_parameters ();
 	void add_state (XMLNode *) const;
 
-	std::vector<std::pair<uint32_t, uint32_t> > parameter_map;
-	uint32_t current_maxbuf;
-	framecnt_t current_offset;
+	typedef std::map<uint32_t, uint32_t> ParameterMap;
+	ParameterMap parameter_map;
+	uint32_t   input_maxbuf;
+	framecnt_t input_offset;
 	framecnt_t cb_offset;
-	BufferSet* current_buffers;
+	BufferSet* input_buffers;
 	framecnt_t frames_processed;
 
 	std::vector<AUParameterDescriptor> descriptors;
+	AUEventListenerRef _parameter_listener;
+	void * _parameter_listener_arg;
 	void init ();
 
 	void discover_factory_presets ();
 
 	bool      last_transport_rolling;
 	float     last_transport_speed;
+
+	static void _parameter_change_listener (void* /*arg*/, void* /*src*/, const AudioUnitEvent* event, UInt64 host_time, Float32 new_value);
+	void parameter_change_listener (void* /*arg*/, void* /*src*/, const AudioUnitEvent* event, UInt64 host_time, Float32 new_value);
 };
 
 typedef boost::shared_ptr<AUPlugin> AUPluginPtr;