Partial LV2 support, SF2 support

SConstruct

@@ -28,6 +28,7 @@ opts.Add(BoolVariable("use_wasapi","Enable Wasapi",True))
 opts.Add(BoolVariable("use_directsound","Enable Wasapi",True))
 opts.Add(BoolVariable("enable_rtmidi","Use RtMidi as MIDI Driver",True))
 opts.Add(BoolVariable("use_winmm","Enable WinMM for RtMidi",True))
+opts.Add(BoolVariable("enable_lv2","Enable LV2",False)) # Experimental, no UI
 
 opts.Update(env)  # update environment
 Help(opts.GenerateHelpText(env))  # generate help
@@ -46,6 +47,7 @@ if (env["enable_rtmidi"]):
 
 
 if (env["platform"]=="windows"):
+	env["enable_lv2"]=False
 	env.Append(CXXFLAGS=["-DWINDOWS_ENABLED"])
 	if (env["enable_vst2"]):	
 		env.Append(CXXFLAGS=["-DVST2_ENABLED"])
@@ -75,6 +77,10 @@ if (env["platform"]=="freedesktop"):
 	if (env["use_jack"]):
 		env.Append(CXXFLAGS=["-D__LINUX_JACK__"])
 		env.ParseConfig("pkg-config jack --libs --cflags")
+	if (env["enable_lv2"]):
+		env.ParseConfig("pkg-config lilv-0 --libs --cflags")
+		env.ParseConfig("pkg-config suil-0 --libs --cflags")
+		env.Append(CXXFLAGS=["-DLV2_ENABLED"])
 
 
 	env.ParseConfig("pkg-config x11 --libs --cflags")

bin/SCsub

@@ -2,8 +2,8 @@ Import('env')
 
 
 ctfiles=['zytrax.cpp'];
-
-env.Append(LINKFLAGS=["-Wl,--start-group"])
+env["LINKCOM"] = '$LINK -o $TARGET $LINKFLAGS $__RPATH $SOURCES $_LIBDIRFLAGS -Wl,--start-group $_LIBFLAGS -Wl,--end-group'
+#env.Append(LINKFLAGS=["-Wl,--start-group"])
 env.Append(LIBS=env.libs)
 env.Program('zytrax', ctfiles);
 

bin/zytrax.cpp

@@ -4,6 +4,10 @@
 #include "drivers/vst2/factory_wrapper_vst2.h"
 #endif
 
+#ifdef LV2_ENABLED
+#include "drivers/lv2/audio_effect_provider_lv2.h"
+#endif
+
 #include "effects/effects.h"
 #include "engine/song.h"
 #include "globals/json_file.h"
@@ -20,11 +24,18 @@ int main(int argc, char *argv[]) {
 
 	AudioEffectFactory effect_factory;
 
+	printf("one\n");
 #ifdef VST2_ENABLED
 	AudioEffectProvider *provider_vst2 = create_vst2_provider();
 	effect_factory.add_provider(provider_vst2);
 #endif
 
+	printf("two\n");
+#ifdef LV2_ENABLED
+	AudioEffectProviderLV2 provider_lv2(&argc, &argv);
+	effect_factory.add_provider(&provider_lv2);
+#endif
+	printf("three\n");
 #ifdef RTAUDIO_ENABLED
 	register_rtaudio_driver();
 #endif
@@ -179,6 +190,7 @@ int main(int argc, char *argv[]) {
 		MIDIDriverManager::init_input_driver(use_midi_in_driver_index);
 	}
 
+	printf("regfx\n");
 	register_effects(&effect_factory);
 
 	/* make it dark */
@@ -225,13 +237,17 @@ int main(int argc, char *argv[]) {
 
 	/* Initialize the UI */
 
+	printf("go\n");
+
 	Interface window(app.operator->(), &effect_factory, &theme, &key_bindings);
 	window.set_default_size(1280, 720);
 #ifdef VST2_ENABLED
 	window.add_editor_plugin_function(get_vst2_editor_function());
 #endif
 	int ret = app->run(window);
 
+	printf("bye\n");
+
 	SoundDriverManager::finish_driver();
 
 #ifdef VST2_ENABLED

drivers/SCsub

@@ -3,6 +3,10 @@ Export('env');
 
 targets=[]
 
+if (env["enable_lv2"]):
+	env.add_sources(targets,"lv2/*.cpp")
+	env.add_sources(targets,"lv2/*.c")
+
 if (env["enable_vst2"]):
 	env.add_sources(targets,"vst2/*.cpp")
 if (env["enable_rtaudio"]):