Start using libappleutility

More AudioUnit work


git-svn-id: svn://localhost/ardour2/trunk@753 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 291 insertions, 42 deletions

diff --git a/libs/ardour/audio_unit.cc b/libs/ardour/audio_unit.cc
index 1c6f9699dc..bc63018ce6 100644
--- a/libs/ardour/audio_unit.cc
+++ b/libs/ardour/audio_unit.cc
@@ -18,21 +18,270 @@
 
 */
 
+#include <pbd/transmitter.h>
+#include <pbd/xml++.h>
+
+#include <ardour/audioengine.h>
 #include <ardour/audio_unit.h>
+#include <ardour/session.h>
 #include <ardour/utils.h>
 
+#include <appleutility/CAAudioUnit.h>
+
 #include <CoreServices/CoreServices.h>
 #include <AudioUnit/AudioUnit.h>
 
+#include "i18n.h"
+
+using namespace std;
+using namespace PBD;
 using namespace ARDOUR;
 
-PluginPtr
-AUPluginInfo::load (Session& session)
+AUPlugin::AUPlugin (AudioEngine& engine, Session& session, CAComponent* _comp)
+	:
+	Plugin (engine, session),
+	comp (_comp),
+	unit (0)
+{
+	if (!unit->IsValid()) {
+		error << _("AudioUnit: Not a proper AudioUnit plugin") << endmsg;
+		throw failed_constructor ();
+	}
+		
+	unit = new CAAudioUnit;
+	
+	OSErr err = CAAudioUnit::Open (*comp, *unit);
+	if (err != noErr) {
+		error << _("AudioUnit: Could not convert CAComponent to CAAudioUnit") << endmsg;
+		delete unit;
+		delete comp;
+		throw failed_constructor ();
+	}
+	
+	unit->Initialize ();
+}
+
+AUPlugin::~AUPlugin ()
+{
+	if (unit) {
+		unit->Uninitialize ();
+		delete unit;
+	}
+	
+	if (comp) {
+		delete comp;
+	}
+}
+
+AUPluginInfo::~AUPluginInfo ()
+{
+	if (desc) {
+		delete desc;
+	}
+}
+
+uint32_t
+AUPlugin::unique_id () const
+{
+	return 0;
+}
+
+const char *
+AUPlugin::label () const
+{
+	return "";
+}
+
+const char *
+AUPlugin::maker () const
+{
+	return "";
+}
+
+uint32_t
+AUPlugin::parameter_count () const
+{
+	return 0;
+}
+
+float
+AUPlugin::default_value (uint32_t port)
+{
+	return 0.0;
+}
+
+jack_nframes_t
+AUPlugin::latency () const
+{
+	return 0;
+}
+
+void
+AUPlugin::set_parameter (uint32_t which, float val)
+{
+	
+}
+
+float
+AUPlugin::get_parameter (uint32_t which) const
+{
+	return 0.0;
+}
+
+int
+AUPlugin::get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const
+{
+	return -1;
+}
+
+uint32_t
+AUPlugin::nth_parameter (uint32_t which, bool& ok) const
+{
+	return 0;
+}
+
+void
+AUPlugin::activate ()
 {
 	
-	return PluginPtr((AUPlugin*)0);
 }
 
+void
+AUPlugin::deactivate ()
+{
+	
+}
+
+void
+AUPlugin::set_block_size (jack_nframes_t nframes)
+{
+	
+}
+
+int
+AUPlugin::connect_and_run (vector<Sample*>& bufs, uint32_t maxbuf, int32_t& in, int32_t& out, jack_nframes_t nframes, jack_nframes_t offset)
+{
+	return -1;
+}
+
+set<uint32_t>
+AUPlugin::automatable() const
+{
+	set<uint32_t> automates;
+	
+	return automates;
+}
+
+void
+AUPlugin::store_state (ARDOUR::PluginState&)
+{
+	
+}
+
+void
+AUPlugin::restore_state (ARDOUR::PluginState&)
+{
+	
+}
+
+string
+AUPlugin::describe_parameter (uint32_t)
+{
+	return "";
+}
+
+void
+AUPlugin::print_parameter (uint32_t, char*, uint32_t len) const
+{
+	
+}
+
+bool
+AUPlugin::parameter_is_audio (uint32_t) const
+{
+	return false;
+}
+
+bool
+AUPlugin::parameter_is_control (uint32_t) const
+{
+	return false;
+}
+
+bool
+AUPlugin::parameter_is_input (uint32_t) const
+{
+	return false;
+}
+
+bool
+AUPlugin::parameter_is_output (uint32_t) const
+{
+	return false;
+}
+
+XMLNode&
+AUPlugin::get_state()
+{
+	XMLNode* root = new XMLNode (state_node_name());
+	
+	return *root;
+}
+
+int
+AUPlugin::set_state(const XMLNode& node)
+{
+	return -1;
+}
+
+bool
+AUPlugin::save_preset (string name)
+{
+	return false;
+}
+
+bool
+AUPlugin::load_preset (const string preset_label)
+{
+	return false;
+}
+
+vector<string>
+AUPlugin::get_presets ()
+{
+	vector<string> presets;
+	
+	return presets;
+}
+
+bool
+AUPlugin::has_editor () const
+{
+	return false;
+}
+
+PluginPtr
+AUPluginInfo::load (Session& session)
+{
+	try {
+		PluginPtr plugin;
+
+		CAComponent* comp = new CAComponent(*desc);
+		
+		if (!comp->IsValid()) {
+			error << ("AudioUnit: not a valid Component") << endmsg;
+		} else {
+			plugin.reset (new AUPlugin (session.engine(), session, comp));
+		}
+		
+		plugin->set_info(PluginInfoPtr(new AUPluginInfo(*this)));
+		return plugin;
+	}
+
+	catch (failed_constructor &err) {
+		return PluginPtr ((Plugin*) 0);
+	}
+}
 
 PluginInfoList
 AUPluginInfo::discover ()
@@ -41,7 +290,7 @@ AUPluginInfo::discover ()
 
 	int numTypes = 2;    // this magic number was retrieved from the apple AUHost example.
 
-	ComponentDescription desc;
+	CAComponentDescription desc;
 	desc.componentFlags = 0;
 	desc.componentFlagsMask = 0;
 	desc.componentSubType = 0;
@@ -58,7 +307,7 @@ AUPluginInfo::discover ()
 
 		comp = FindNextComponent (NULL, &desc);
 		while (comp != NULL) {
-			ComponentDescription temp;
+			CAComponentDescription temp;
 			GetComponentInfo (comp, &temp, NULL, NULL, NULL);
 			
 			AUPluginInfoPtr plug(new AUPluginInfo);
@@ -67,7 +316,7 @@ AUPluginInfo::discover ()
 			plug->n_inputs = 0;
 			plug->n_outputs = 0;
 			plug->category = "AudioUnit";
-			plug->desc = CompDescPtr(new ComponentDescription(temp));
+			plug->desc = new CAComponentDescription(temp);
 
 			plugs.push_back(plug);
 			
@@ -78,43 +327,43 @@ AUPluginInfo::discover ()
 	return plugs;
 }
 
-std::string
-AUPluginInfo::get_name (ComponentDescription& comp_desc)
-{
-		CFStringRef itemName = NULL;
-		// Marc Poirier -style item name
-		Component auComponent = FindNextComponent (0, &comp_desc);
-		if (auComponent != NULL) {
-			ComponentDescription dummydesc;
-			Handle nameHandle = NewHandle(sizeof(void*));
-			if (nameHandle != NULL) {
-				OSErr err = GetComponentInfo(auComponent, &dummydesc, nameHandle, NULL, NULL);
-				if (err == noErr) {
-					ConstStr255Param nameString = (ConstStr255Param) (*nameHandle);
-					if (nameString != NULL) {
-						itemName = CFStringCreateWithPascalString(kCFAllocatorDefault, nameString, CFStringGetSystemEncoding());
-					}
+string
+AUPluginInfo::get_name (CAComponentDescription& comp_desc)
+{
+	CFStringRef itemName = NULL;
+	// Marc Poirier -style item name
+	CAComponent auComponent (comp_desc);
+	if (auComponent.IsValid()) {
+		CAComponentDescription dummydesc;
+		Handle nameHandle = NewHandle(sizeof(void*));
+		if (nameHandle != NULL) {
+			OSErr err = GetComponentInfo(auComponent.Comp(), &dummydesc, nameHandle, NULL, NULL);
+			if (err == noErr) {
+				ConstStr255Param nameString = (ConstStr255Param) (*nameHandle);
+				if (nameString != NULL) {
+					itemName = CFStringCreateWithPascalString(kCFAllocatorDefault, nameString, CFStringGetSystemEncoding());
 				}
-				DisposeHandle(nameHandle);
 			}
+			DisposeHandle(nameHandle);
 		}
-
-		// if Marc-style fails, do the original way
-		if (itemName == NULL) {
-			CFStringRef compTypeString = UTCreateStringForOSType(comp_desc.componentType);
-			CFStringRef compSubTypeString = UTCreateStringForOSType(comp_desc.componentSubType);
-			CFStringRef compManufacturerString = UTCreateStringForOSType(comp_desc.componentManufacturer);
-
-			itemName = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%@ - %@ - %@"), 
-				compTypeString, compManufacturerString, compSubTypeString);
-
-			if (compTypeString != NULL)
-				CFRelease(compTypeString);
-			if (compSubTypeString != NULL)
-				CFRelease(compSubTypeString);
-			if (compManufacturerString != NULL)
-				CFRelease(compManufacturerString);
-		}
-		
-		return CFStringRefToStdString(itemName);
+	}
+    
+	// if Marc-style fails, do the original way
+	if (itemName == NULL) {
+		CFStringRef compTypeString = UTCreateStringForOSType(comp_desc.componentType);
+		CFStringRef compSubTypeString = UTCreateStringForOSType(comp_desc.componentSubType);
+		CFStringRef compManufacturerString = UTCreateStringForOSType(comp_desc.componentManufacturer);
+    
+		itemName = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%@ - %@ - %@"), 
+			compTypeString, compManufacturerString, compSubTypeString);
+    
+		if (compTypeString != NULL)
+			CFRelease(compTypeString);
+		if (compSubTypeString != NULL)
+			CFRelease(compSubTypeString);
+		if (compManufacturerString != NULL)
+			CFRelease(compManufacturerString);
+	}
+	
+	return CFStringRefToStdString(itemName);
 }