Start of AudioUnit work. COREAUDIO=y is a little destable for now.

git-svn-id: svn://localhost/ardour2/trunk@724 d708f5d6-7413-0410-9779-e7cbd77b26cf

libs/ardour/SConscript

@@ -97,7 +97,7 @@ arch_specific_objects = [ ]
 
 osc_files = [ 'osc.cc' ]
 vst_files = [ 'vst_plugin.cc', 'session_vst.cc' ]
-coreaudio_files = [ 'coreaudiosource.cc' ]
+coreaudio_files = [ 'audio_unit.cc', 'coreaudiosource.cc' ]
 extra_sources = [ ]
 
 if ardour['VST']:

libs/ardour/ardour/audio_unit.h

@@ -0,0 +1,35 @@
+/*
+    Copyright (C) 2006 Paul Davis 
+	Written by Taybin Rutkin
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __ardour_audio_unit_h__
+#define __ardour_audio_unit_h__
+
+#include <ardour/plugin.h>
+
+namespace ARDOUR {
+
+class AudioUnit : public ARDOUR::Plugin
+{
+	
+};
+
+} // namespace ARDOUR
+
+#endif // __ardour_audio_unit_h__

libs/ardour/ardour/plugin_manager.h

@@ -23,6 +23,8 @@ class PluginManager {
 
 	std::list<PluginInfo*> &vst_plugin_info () { return _vst_plugin_info; }
 	std::list<PluginInfo*> &ladspa_plugin_info () { return _ladspa_plugin_info; }
+	std::list<PluginInfo*> &au_plugin_info () { return _au_plugin_info; }
+
 	void refresh ();
 
 	int add_ladspa_directory (std::string dirpath);
@@ -36,6 +38,7 @@ class PluginManager {
 	ARDOUR::AudioEngine&   _engine;
 	std::list<PluginInfo*> _vst_plugin_info;
 	std::list<PluginInfo*> _ladspa_plugin_info;
+	std::list<PluginInfo*> _au_plugin_info;
 	std::map<uint32_t, std::string> rdf_type;
 
 	std::string ladspa_path;
@@ -55,6 +58,8 @@ class PluginManager {
 	int ladspa_discover_from_path (std::string path);
 	int ladspa_discover (std::string path);
 
+	int au_discover ();
+
 	std::string get_ladspa_category (uint32_t id);
 
 	static PluginManager* _manager; // singleton
@@ -63,3 +68,4 @@ class PluginManager {
 } /* namespace ARDOUR */
 
 #endif /* __ardour_plugin_manager_h__ */
+

libs/ardour/ardour/utils.h

@@ -25,6 +25,10 @@
 #include <string>
 #include <cmath>
 
+#ifdef HAVE_COREAUDIO
+#include <CoreFoundation/CoreFoundation.h>
+#endif
+
 #include "ardour.h"
 
 class XMLNode;
@@ -53,4 +57,8 @@ int touch_file(std::string path);
 std::string region_name_from_path (std::string path);
 std::string path_expand (std::string);
 
+#ifdef HAVE_COREAUDIO
+std::string CFStringRefToStdString(CFStringRef stringRef);
+#endif // HAVE_COREAUDIO
+
 #endif /* __ardour_utils_h__ */

libs/ardour/audio_unit.cc

@@ -0,0 +1,19 @@
+/*
+    Copyright (C) 2006 Paul Davis 
+	Written by Taybin Rutkin
+	
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/

libs/ardour/audiofilesource.cc

@@ -238,25 +238,6 @@ AudioFileSource::create (const string& idstr, Flag flags)
 
 #endif // HAVE_COREAUDIO
 
-#ifdef HAVE_COREAUDIO
-std::string 
-CFStringRefToStdString(CFStringRef stringRef)
-{
-	CFIndex size = 
-		CFStringGetMaximumSizeForEncoding(CFStringGetLength(stringRef) , 
-		kCFStringEncodingASCII);
-	    char *buf = new char[size];
-	
-	std::string result;
-
-	if(CFStringGetCString(stringRef, buf, size, kCFStringEncodingASCII)) {
-	    result = buf;
-	}
-	delete [] buf;
-	return result;
-}
-#endif // HAVE_COREAUDIO
-
 bool
 AudioFileSource::get_soundfile_info (string path, SoundFileInfo& _info, string& error_msg)
 {

libs/ardour/plugin_manager.cc

@@ -27,7 +27,7 @@
 #include <fst.h>
 #include <pbd/basename.h>
 #include <string.h>
-#endif
+#endif // VST_SUPPORT
 
 #include <pbd/pathscanner.h>
 
@@ -41,6 +41,11 @@
 #include <pbd/error.h>
 #include <pbd/stl_delete.h>
 
+#ifdef HAVE_COREAUDIO
+#include <CoreServices/CoreServices.h>
+#include <AudioUnit/AudioUnit.h>
+#endif // HAVE_COREAUDIO
+
 #include "i18n.h"
 
 using namespace ARDOUR;
@@ -95,7 +100,11 @@ PluginManager::refresh ()
 	if (Config->get_use_vst()) {
 		vst_refresh ();
 	}
-#endif
+#endif // VST_SUPPORT
+
+#ifdef HAVE_COREAUDIO
+	au_discover ();
+#endif // HAVE_COREAUDIO
 }
 
 void
@@ -302,10 +311,10 @@ PluginManager::load (Session& session, PluginInfo *info)
 			} else {
 				error << _("You asked ardour to not use any VST plugins") << endmsg;
 			}
-#else
+#else // !VST_SUPPORT
 			error << _("This version of ardour has no support for VST plugins") << endmsg;
 			return boost::shared_ptr<Plugin> ((Plugin*) 0);
-#endif			
+#endif // !VST_SUPPORT
 				
 		} else {
 
@@ -342,12 +351,15 @@ ARDOUR::find_plugin(Session& session, string name, long unique_id, PluginInfo::T
 		unique_id = 0; // VST plugins don't have a unique id.
 		break;
 	case PluginInfo::AudioUnit:
+		plugs = &mgr->au_plugin_info();
+		unique_id = 0;
+		break;
 	default:
 		return boost::shared_ptr<Plugin> ((Plugin *) 0);
 	}
 
 	for (i = plugs->begin(); i != plugs->end(); ++i) {
-		if ((name == ""     || (*i)->name == name) &&
+		if ((name == "" || (*i)->name == name) &&
 			(unique_id == 0 || (*i)->unique_id == unique_id)) {	
 			return mgr->load (session, *i);
 		}
@@ -489,4 +501,102 @@ PluginManager::vst_discover (string path)
 	return 0;
 }
 
-#endif
+#endif // VST_SUPPORT
+
+#ifdef HAVE_COREAUDIO
+
+int
+PluginManager::au_discover ()
+{
+	int mNumUnits = 0;
+	int numTypes = 2;    // this magic number was retrieved from the apple AUHost example.
+
+	ComponentDescription desc;
+	desc.componentFlags = 0;
+	desc.componentFlagsMask = 0;
+	desc.componentSubType = 0;
+	desc.componentManufacturer = 0;
+
+	for (int i = 0; i < numTypes; ++i) {
+		if (i == 1) {
+			desc.componentType = kAudioUnitType_MusicEffect;
+		} else {
+			desc.componentType = kAudioUnitType_Effect;
+		}
+
+		int n = CountComponents (&desc);
+
+		mNumUnits += n;
+	}
+	cout << "Number of AU plugins: " << mNumUnits << endl;
+
+	ComponentDescription* mCompDescs = new ComponentDescription[mNumUnits];
+
+	int n = 0;
+	for (int i = 0; i < numTypes; ++i)
+	{
+		if (i == 1) {
+			desc.componentType = kAudioUnitType_MusicEffect;
+		} else {
+			desc.componentType = kAudioUnitType_Effect;
+		}
+		
+		Component comp = 0;
+
+		comp = FindNextComponent (NULL, &desc);
+		while (comp != NULL) {
+			ComponentDescription temp;
+			GetComponentInfo (comp, &temp, NULL, NULL, NULL);
+			mCompDescs[n++] = temp;
+			comp = FindNextComponent (comp, &desc);
+		}
+	}
+
+	for (int i = 0; i < mNumUnits; ++i) {
+
+		// the following large block is just for determining the name of the plugin.
+		CFStringRef itemName = NULL;
+		// Marc Poirier -style item name
+		Component auComponent = FindNextComponent (0, &(mCompDescs[i]));
+		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());
+					}
+				}
+				DisposeHandle(nameHandle);
+			}
+		}
+		
+		// if Marc-style fails, do the original way
+		if (itemName == NULL) {
+			CFStringRef compTypeString = UTCreateStringForOSType(mCompDescs[i].componentType);
+			CFStringRef compSubTypeString = UTCreateStringForOSType(mCompDescs[i].componentSubType);
+			CFStringRef compManufacturerString = UTCreateStringForOSType(mCompDescs[i].componentManufacturer);
+			
+			itemName = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%@ - %@ - %@"), 
+				compTypeString, compManufacturerString, compSubTypeString);
+
+			if (compTypeString != NULL)
+				CFRelease(compTypeString);
+			if (compSubTypeString != NULL)
+				CFRelease(compSubTypeString);
+			if (compManufacturerString != NULL)
+				CFRelease(compManufacturerString);
+		}
+		string realname = CFStringRefToStdString(itemName);
+		cout << realname << endl;	
+	}
+
+	delete[] mCompDescs;
+
+	return 0;
+}
+
+#endif // HAVE_COREAUDIO
+

libs/ardour/utils.cc

@@ -253,3 +253,21 @@ path_expand (string path)
 #endif
 }
 
+#ifdef HAVE_COREAUDIO
+string 
+CFStringRefToStdString(CFStringRef stringRef)
+{
+	CFIndex size = 
+		CFStringGetMaximumSizeForEncoding(CFStringGetLength(stringRef) , 
+		kCFStringEncodingASCII);
+	    char *buf = new char[size];
+	
+	std::string result;
+
+	if(CFStringGetCString(stringRef, buf, size, kCFStringEncodingASCII)) {
+	    result = buf;
+	}
+	delete [] buf;
+	return result;
+}
+#endif // HAVE_COREAUDIO