X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fglobals.cc;h=9850d82d314b96b92d10fdab178db6d099410cd6;hb=7bc3e0dab4dfac04d6c2957a2278345605c09769;hp=132a5fb35d4332f5cca037d58e74117007f3d843;hpb=df59a000b79f891f17ec8a05b390982dac67e5ff;p=ardour.git

diff --git a/libs/ardour/globals.cc b/libs/ardour/globals.cc
index 132a5fb35d..9850d82d31 100644
--- a/libs/ardour/globals.cc
+++ b/libs/ardour/globals.cc
@@ -29,6 +29,7 @@
 #include <unistd.h>
 #include <fcntl.h>
 #include <errno.h>
+#include <time.h>
 
 #ifdef WINDOWS_VST_SUPPORT
 #include <fst.h>
@@ -50,8 +51,6 @@
 #undef check /* stupid Apple and their un-namespaced, generic Carbon macros */
 #endif 
 
-#include <giomm.h>
-
 #include <glibmm/fileutils.h>
 #include <glibmm/miscutils.h>
 
@@ -60,6 +59,7 @@
 #include "pbd/cpus.h"
 #include "pbd/error.h"
 #include "pbd/id.h"
+#include "pbd/pbd.h"
 #include "pbd/strsplit.h"
 #include "pbd/fpu.h"
 #include "pbd/file_utils.h"
@@ -67,11 +67,11 @@
 #include "pbd/basename.h"
 
 #include "midi++/port.h"
-#include "midi++/manager.h"
 #include "midi++/mmc.h"
 
 #include "ardour/analyser.h"
 #include "ardour/audio_library.h"
+#include "ardour/audio_backend.h"
 #include "ardour/audioengine.h"
 #include "ardour/audioplaylist.h"
 #include "ardour/audioregion.h"
@@ -79,6 +79,7 @@
 #include "ardour/control_protocol_manager.h"
 #include "ardour/filesystem_paths.h"
 #include "ardour/midi_region.h"
+#include "ardour/midiport_manager.h"
 #include "ardour/mix.h"
 #include "ardour/panner_manager.h"
 #include "ardour/plugin_manager.h"
@@ -107,6 +108,8 @@ using namespace ARDOUR;
 using namespace std;
 using namespace PBD;
 
+bool libardour_initialized = false;
+
 compute_peak_t          ARDOUR::compute_peak = 0;
 find_peaks_t            ARDOUR::find_peaks = 0;
 apply_gain_to_buffer_t  ARDOUR::apply_gain_to_buffer = 0;
@@ -215,21 +218,19 @@ lotsa_files_please ()
 	}
 }
 
-int
+bool
 ARDOUR::init (bool use_windows_vst, bool try_optimization, const char* localedir)
 {
-	if (!Glib::thread_supported()) {
-		Glib::thread_init();
+	if (libardour_initialized) {
+		return true;
 	}
 
-	// this really should be in PBD::init..if there was one
-	Gio::init ();
+	if (!PBD::init()) return false;
 
 #ifdef ENABLE_NLS
 	(void) bindtextdomain(PACKAGE, localedir);
 #endif
 
-	PBD::ID::init ();
 	SessionEvent::init_event_pool ();
 
 	SessionObject::make_property_quarks ();
@@ -269,7 +270,7 @@ ARDOUR::init (bool use_windows_vst, bool try_optimization, const char* localedir
 	Config = new RCConfiguration;
 
 	if (Config->load_state ()) {
-		return -1;
+		return false;
 	}
 
 	Config->set_use_windows_vst (use_windows_vst);
@@ -282,13 +283,13 @@ ARDOUR::init (bool use_windows_vst, bool try_optimization, const char* localedir
 
 #ifdef WINDOWS_VST_SUPPORT
 	if (Config->get_use_windows_vst() && fst_init (0)) {
-		return -1;
+		return false;
 	}
 #endif
 
 #ifdef LXVST_SUPPORT
 	if (Config->get_use_lxvst() && vstfx_init (0)) {
-		return -1;
+		return false;
 	}
 #endif
 
@@ -333,24 +334,14 @@ ARDOUR::init (bool use_windows_vst, bool try_optimization, const char* localedir
 
 	ARDOUR::AudioEngine::create ();
 
-	uint32_t backend_cnt;
+	libardour_initialized = true;
 
-	if ((backend_cnt = AudioEngine::instance()->available_backends().size()) == 0) {
-		error << _("No audio/MIDI backends are available") << endmsg;
-		return -1;
-	}
-
-	cerr << "We have " << backend_cnt << endl;
-
-	return 0;
+	return true;
 }
 
 void
 ARDOUR::init_post_engine ()
 {
-	/* the MIDI Manager is needed by the ControlProtocolManager */
-	MIDI::Manager::create (AudioEngine::instance()->port_engine());
-
 	ControlProtocolManager::instance().discover_control_protocols ();
 
 	XMLNode* node;
@@ -363,9 +354,15 @@ ARDOUR::init_post_engine ()
 	ARDOUR::PluginManager::instance().refresh ();
 }
 
-int
-ARDOUR::cleanup ()
+void
+ARDOUR::cleanup () 
 {
+	if (!libardour_initialized) {
+		return;
+	}
+
+	ARDOUR::AudioEngine::destroy ();
+
 	delete Library;
 	lrdf_cleanup ();
 	delete &ControlProtocolManager::instance();
@@ -376,8 +373,9 @@ ARDOUR::cleanup ()
 #ifdef LXVST_SUPPORT
 	vstfx_exit();
 #endif
-	EnumWriter::destroy ();
-	return 0;
+	PBD::cleanup ();
+
+	return;
 }
 
 void
@@ -539,10 +537,54 @@ ARDOUR::get_available_sync_options ()
 {
 	vector<SyncSource> ret;
 
-	ret.push_back (JACK);
+	boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend();
+	if (backend && backend->name() == "JACK") {
+		ret.push_back (Engine);
+	}
+
 	ret.push_back (MTC);
 	ret.push_back (MIDIClock);
 	ret.push_back (LTC);
 
 	return ret;
 }
+
+/** Return a monotonic value for the number of microseconds that have elapsed
+ * since an arbitrary zero origin.
+ */
+
+#ifdef __MACH__
+/* Thanks Apple for not implementing this basic SUSv2, POSIX.1-2001 function
+ */
+#include <mach/mach_time.h>
+#define CLOCK_REALTIME 0
+#define CLOCK_MONOTONIC 0
+int 
+clock_gettime (int /*clk_id*/, struct timespec *t)
+{
+        static bool initialized = false;
+        static mach_timebase_info_data_t timebase;
+        if (!initialized) {
+                mach_timebase_info(&timebase);
+                initialized = true;
+        }
+        uint64_t time;
+        time = mach_absolute_time();
+        double nseconds = ((double)time * (double)timebase.numer)/((double)timebase.denom);
+        double seconds = ((double)time * (double)timebase.numer)/((double)timebase.denom * 1e9);
+        t->tv_sec = seconds;
+        t->tv_nsec = nseconds;
+        return 0;
+}
+#endif
+ 
+microseconds_t
+ARDOUR::get_microseconds ()
+{
+	struct timespec ts;
+	if (clock_gettime (CLOCK_MONOTONIC, &ts) != 0) {
+		/* EEEK! */
+		return 0;
+	}
+	return (microseconds_t) ts.tv_sec * 1000000 + (ts.tv_nsec/1000);
+}