rollback to 3428, before the mysterious removal of libs/* at 3431/3432

git-svn-id: svn://localhost/ardour2/branches/3.0@3435 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 619 insertions, 0 deletions

diff --git a/libs/ardour/globals.cc b/libs/ardour/globals.cc
new file mode 100644
index 0000000000..02c4a5ced6
--- /dev/null
+++ b/libs/ardour/globals.cc
@@ -0,0 +1,619 @@
+/*
+    Copyright (C) 2000 Paul Davis 
+
+    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.
+*/
+
+#include <cstdio> // Needed so that libraptor (included in lrdf) won't complain
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <locale.h>
+#include <errno.h>
+
+#ifdef VST_SUPPORT
+#include <fst.h>
+#endif
+
+#ifdef __SSE__
+#include <xmmintrin.h>
+#endif
+
+#include <glibmm/fileutils.h>
+#include <glibmm/miscutils.h>
+
+#include <lrdf.h>
+
+#include <pbd/error.h>
+#include <pbd/id.h>
+#include <pbd/strsplit.h>
+#include <pbd/fpu.h>
+#include <pbd/file_utils.h>
+
+#include <midi++/port.h>
+#include <midi++/manager.h>
+#include <midi++/mmc.h>
+
+#include <ardour/ardour.h>
+#include <ardour/analyser.h>
+#include <ardour/audio_library.h>
+#include <ardour/configuration.h>
+#include <ardour/profile.h>
+#include <ardour/plugin_manager.h>
+#include <ardour/audiosource.h>
+#include <ardour/utils.h>
+#include <ardour/session.h>
+#include <ardour/source_factory.h>
+#include <ardour/control_protocol_manager.h>
+#include <ardour/audioengine.h>
+#include <ardour/filesystem_paths.h>
+
+#ifdef HAVE_LIBLO
+#include <ardour/osc.h>
+#endif
+
+#include <ardour/mix.h>
+#include <ardour/runtime_functions.h>
+
+#if defined (__APPLE__)
+       #include <Carbon/Carbon.h> // For Gestalt
+#endif
+       
+#include "i18n.h"
+
+ARDOUR::Configuration* ARDOUR::Config = 0;
+ARDOUR::RuntimeProfile* ARDOUR::Profile = 0;
+ARDOUR::AudioLibrary* ARDOUR::Library = 0;
+
+#ifdef HAVE_LIBLO
+ARDOUR::OSC* ARDOUR::osc = 0;
+#endif
+
+using namespace ARDOUR;
+using namespace std;
+using namespace PBD;
+
+MIDI::Port *default_mmc_port = 0;
+MIDI::Port *default_mtc_port = 0;
+MIDI::Port *default_midi_port = 0;
+
+Change ARDOUR::StartChanged = ARDOUR::new_change ();
+Change ARDOUR::LengthChanged = ARDOUR::new_change ();
+Change ARDOUR::PositionChanged = ARDOUR::new_change ();
+Change ARDOUR::NameChanged = ARDOUR::new_change ();
+Change ARDOUR::BoundsChanged = Change (0); // see init(), below
+
+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;
+mix_buffers_with_gain_t ARDOUR::mix_buffers_with_gain = 0;
+mix_buffers_no_gain_t   ARDOUR::mix_buffers_no_gain = 0;
+
+sigc::signal<void,std::string> ARDOUR::BootMessage;
+
+#ifdef HAVE_LIBLO
+static int
+setup_osc ()
+{
+	/* no real cost to creating this object, and it avoids
+	   conditionals anywhere that uses it 
+	*/
+	
+	osc = new OSC (Config->get_osc_port());
+	
+	if (Config->get_use_osc ()) {
+		BootMessage (_("Starting OSC"));
+		return osc->start ();
+	} else {
+		return 0;
+	}
+}
+#endif
+
+int 
+setup_midi ()
+{
+	if (Config->midi_ports.size() == 0) {
+		warning << _("no MIDI ports specified: no MMC or MTC control possible") << endmsg;
+		return 0;
+	}
+
+	BootMessage (_("Configuring MIDI ports"));
+
+	for (std::map<string,XMLNode>::iterator i = Config->midi_ports.begin(); i != Config->midi_ports.end(); ++i) {
+		MIDI::Manager::instance()->add_port (i->second);
+	}
+
+	MIDI::Port* first;
+	const MIDI::Manager::PortMap& ports = MIDI::Manager::instance()->get_midi_ports();
+
+	if (ports.size() > 1) {
+
+		first = ports.begin()->second;
+
+		/* More than one port, so try using specific names for each port */
+
+		if (Config->get_mmc_port_name() != N_("default")) {
+			default_mmc_port =  MIDI::Manager::instance()->port (Config->get_mmc_port_name());
+		} 
+
+		if (Config->get_mtc_port_name() != N_("default")) {
+			default_mtc_port =  MIDI::Manager::instance()->port (Config->get_mtc_port_name());
+		} 
+
+		if (Config->get_midi_port_name() != N_("default")) {
+			default_midi_port =  MIDI::Manager::instance()->port (Config->get_midi_port_name());
+		} 
+		
+		/* If that didn't work, just use the first listed port */
+
+		if (default_mmc_port == 0) {
+			default_mmc_port = first;
+		}
+
+		if (default_mtc_port == 0) {
+			default_mtc_port = first;
+		}
+
+		if (default_midi_port == 0) {
+			default_midi_port = first;
+		}
+		
+	} else if (ports.size() == 1) {
+
+		first = ports.begin()->second;
+
+		/* Only one port described, so use it for both MTC and MMC */
+
+		default_mmc_port = first;
+		default_mtc_port = default_mmc_port;
+		default_midi_port = default_mmc_port;
+	}
+
+	if (default_mmc_port == 0) {
+		warning << string_compose (_("No MMC control (MIDI port \"%1\" not available)"), Config->get_mmc_port_name()) 
+			<< endmsg;
+		return 0;
+	} 
+
+	if (default_mtc_port == 0) {
+		warning << string_compose (_("No MTC support (MIDI port \"%1\" not available)"), Config->get_mtc_port_name()) 
+			<< endmsg;
+	}
+
+	if (default_midi_port == 0) {
+		warning << string_compose (_("No MIDI parameter support (MIDI port \"%1\" not available)"), Config->get_midi_port_name()) 
+			<< endmsg;
+	}
+
+	return 0;
+}
+
+void
+setup_hardware_optimization (bool try_optimization)
+{
+	bool generic_mix_functions = true;
+
+	if (try_optimization) {
+
+		FPU fpu;
+
+#if defined (ARCH_X86) && defined (BUILD_SSE_OPTIMIZATIONS)
+
+		if (fpu.has_sse()) {
+
+			info << "Using SSE optimized routines" << endmsg;
+
+			// SSE SET
+			compute_peak          = x86_sse_compute_peak;
+			find_peaks            = x86_sse_find_peaks;
+			apply_gain_to_buffer  = x86_sse_apply_gain_to_buffer;
+			mix_buffers_with_gain = x86_sse_mix_buffers_with_gain;
+			mix_buffers_no_gain   = x86_sse_mix_buffers_no_gain;
+
+			generic_mix_functions = false;
+
+		}
+
+#elif defined (__APPLE__) && defined (BUILD_VECLIB_OPTIMIZATIONS)
+		long sysVersion = 0;
+
+		if (noErr != Gestalt(gestaltSystemVersion, &sysVersion))
+			sysVersion = 0;
+
+		if (sysVersion >= 0x00001040) { // Tiger at least
+			compute_peak           = veclib_compute_peak;
+			find_peaks             = veclib_find_peaks;
+			apply_gain_to_buffer   = veclib_apply_gain_to_buffer;
+			mix_buffers_with_gain  = veclib_mix_buffers_with_gain;
+			mix_buffers_no_gain    = veclib_mix_buffers_no_gain;
+
+			generic_mix_functions = false;
+
+			info << "Apple VecLib H/W specific optimizations in use" << endmsg;
+		}
+#endif
+
+		/* consider FPU denormal handling to be "h/w optimization" */
+
+		setup_fpu ();
+	}
+
+	if (generic_mix_functions) {
+
+		compute_peak          = default_compute_peak;
+		find_peaks            = default_find_peaks;
+		apply_gain_to_buffer  = default_apply_gain_to_buffer;
+		mix_buffers_with_gain = default_mix_buffers_with_gain;
+		mix_buffers_no_gain   = default_mix_buffers_no_gain;
+
+		info << "No H/W specific optimizations in use" << endmsg;
+	}
+}
+
+static void
+lotsa_files_please ()
+{
+	struct rlimit rl;
+
+	if (getrlimit (RLIMIT_NOFILE, &rl) == 0) {
+
+		rl.rlim_cur = rl.rlim_max;
+
+		if (setrlimit (RLIMIT_NOFILE, &rl) != 0) {
+			if (rl.rlim_cur == RLIM_INFINITY) {
+				error << _("Could not set system open files limit to \"unlimited\"") << endmsg;
+			} else {
+				error << string_compose (_("Could not set system open files limit to %1"), rl.rlim_cur) << endmsg;
+			}
+		} else {
+			if (rl.rlim_cur == RLIM_INFINITY) {
+				info << _("Removed open file count limit. Excellent!") << endmsg;
+			} else {
+				info << string_compose (_("Ardour will be limited to %1 open files"), rl.rlim_cur) << endmsg;
+			}
+		}
+	} else {
+		error << string_compose (_("Could not get system open files limit (%1)"), strerror (errno)) << endmsg;
+	}
+}
+
+int
+ARDOUR::init (bool use_vst, bool try_optimization)
+{
+	extern void setup_enum_writer ();
+
+	(void) bindtextdomain(PACKAGE, LOCALEDIR);
+
+	setup_enum_writer ();
+
+	// allow ardour the absolute maximum number of open files
+	lotsa_files_please ();
+
+	lrdf_init();
+	Library = new AudioLibrary;
+
+	BootMessage (_("Loading configuration"));
+
+	Config = new Configuration;
+
+	if (Config->load_state ()) {
+		return -1;
+	}
+
+	Config->set_use_vst (use_vst);
+
+	Profile = new RuntimeProfile;
+
+#ifdef HAVE_LIBLO
+	if (setup_osc ()) {
+		return -1;
+	}
+#endif
+
+#ifdef VST_SUPPORT
+	if (Config->get_use_vst() && fst_init ()) {
+		return -1;
+	}
+#endif
+	
+	/* Make VAMP look in our library ahead of anything else */
+
+	char *p = getenv ("VAMP_PATH");
+	string vamppath = VAMP_DIR;
+	if (p) {
+		vamppath += ':';
+		vamppath += p;
+	} 
+	setenv ("VAMP_PATH", vamppath.c_str(), 1);
+
+
+	setup_hardware_optimization (try_optimization);
+
+	SourceFactory::init ();
+	Analyser::init ();
+
+	/* singleton - first object is "it" */
+	new PluginManager ();
+	
+	/* singleton - first object is "it" */
+	new ControlProtocolManager ();
+	ControlProtocolManager::instance().discover_control_protocols ();
+
+	XMLNode* node;
+	if ((node = Config->control_protocol_state()) != 0) {
+		ControlProtocolManager::instance().set_state (*node);
+	}
+	
+	BoundsChanged = Change (StartChanged|PositionChanged|LengthChanged);
+
+	return 0;
+}
+
+int
+ARDOUR::cleanup ()
+{
+	delete Library;
+	lrdf_cleanup ();
+	delete &ControlProtocolManager::instance();
+	return 0;
+}
+
+
+microseconds_t
+ARDOUR::get_microseconds ()
+{
+	/* XXX need JACK to export its functionality */
+
+	struct timeval now;
+	gettimeofday (&now, 0);
+	return now.tv_sec * 1000000ULL + now.tv_usec;
+}
+
+ARDOUR::Change
+ARDOUR::new_change ()
+{
+	Change c;
+	static uint32_t change_bit = 1;
+
+	/* catch out-of-range */
+	if (!change_bit)
+	{
+		fatal << _("programming error: ")
+			<< "change_bit out of range in ARDOUR::new_change()"
+			<< endmsg;
+		/*NOTREACHED*/
+	}
+
+	c = Change (change_bit);
+	change_bit <<= 1;	// if it shifts too far, change_bit == 0
+
+	return c;
+}
+
+string
+ARDOUR::get_ardour_revision ()
+{
+	return "$Rev$";
+}
+
+void
+ARDOUR::find_bindings_files (map<string,string>& files)
+{
+	vector<sys::path> found;
+
+	SearchPath spath = ardour_search_path() + user_config_directory() + system_config_search_path();
+
+	if (getenv ("ARDOUR_SAE")) {
+		Glib::PatternSpec pattern("*SAE-*.bindings");
+		find_matching_files_in_search_path (spath, pattern, found);
+	} else {
+		Glib::PatternSpec pattern("*.bindings");
+		find_matching_files_in_search_path (spath, pattern, found);
+	}
+
+	if (found.empty()) {
+		return;
+	}
+	
+	for (vector<sys::path>::iterator x = found.begin(); x != found.end(); ++x) {
+		sys::path path = *x;
+		pair<string,string> namepath;
+		namepath.second = path.to_string();
+		namepath.first = path.leaf().substr (0, path.leaf().find_first_of ('.'));
+		files.insert (namepath);
+	}
+}
+
+ARDOUR::LocaleGuard::LocaleGuard (const char* str)
+{
+	old = strdup (setlocale (LC_NUMERIC, NULL));
+	if (strcmp (old, str)) {
+		setlocale (LC_NUMERIC, str);
+	} 
+}
+
+ARDOUR::LocaleGuard::~LocaleGuard ()
+{
+	setlocale (LC_NUMERIC, old);
+	free ((char*)old);
+}
+
+void
+ARDOUR::setup_fpu ()
+{
+
+	if (getenv ("ARDOUR_RUNNING_UNDER_VALGRIND")) {
+		// valgrind doesn't understand this assembler stuff
+		// September 10th, 2007
+		return;
+	}
+
+#if defined(ARCH_X86) && defined(USE_XMMINTRIN)
+
+	int MXCSR;
+	FPU fpu;
+
+	/* XXX use real code to determine if the processor supports
+	   DenormalsAreZero and FlushToZero
+	*/
+	
+	if (!fpu.has_flush_to_zero() && !fpu.has_denormals_are_zero()) {
+		return;
+	}
+
+	MXCSR  = _mm_getcsr();
+
+	switch (Config->get_denormal_model()) {
+	case DenormalNone:
+		MXCSR &= ~(_MM_FLUSH_ZERO_ON|0x8000);
+		break;
+
+	case DenormalFTZ:
+		if (fpu.has_flush_to_zero()) {
+			MXCSR |= _MM_FLUSH_ZERO_ON;
+		}
+		break;
+
+	case DenormalDAZ:
+		MXCSR &= ~_MM_FLUSH_ZERO_ON;
+		if (fpu.has_denormals_are_zero()) {
+			MXCSR |= 0x8000;
+		}
+		break;
+		
+	case DenormalFTZDAZ:
+		if (fpu.has_flush_to_zero()) {
+			if (fpu.has_denormals_are_zero()) {
+				MXCSR |= _MM_FLUSH_ZERO_ON | 0x8000;
+			} else {
+				MXCSR |= _MM_FLUSH_ZERO_ON;
+			}
+		}
+		break;
+	}
+
+	_mm_setcsr (MXCSR);
+
+#endif
+}
+
+ARDOUR::OverlapType
+ARDOUR::coverage (nframes_t sa, nframes_t ea, 
+		  nframes_t sb, nframes_t eb)
+{
+	/* OverlapType returned reflects how the second (B)
+	   range overlaps the first (A).
+
+	   The diagrams show various relative placements
+	   of A and B for each OverlapType.
+
+	   Notes:
+	      Internal: the start points cannot coincide
+	      External: the start and end points can coincide
+	      Start: end points can coincide
+	      End: start points can coincide
+
+	   XXX Logically, Internal should disallow end
+	   point equality.
+	*/
+
+	/*
+	     |--------------------|   A
+	          |------|            B
+	        |-----------------|   B
+
+
+             "B is internal to A"		
+
+	*/
+#ifdef OLD_COVERAGE
+	if ((sb >= sa) && (eb <= ea)) {
+#else
+	if ((sb > sa) && (eb <= ea)) {
+#endif
+		return OverlapInternal;
+	}
+
+	/*
+	     |--------------------|   A
+	   ----|                      B
+           -----------------------|   B
+	   --|                        B
+	   
+	     "B overlaps the start of A"
+
+	*/
+
+	if ((eb >= sa) && (eb <= ea)) {
+		return OverlapStart;
+	}
+	/* 
+	     |---------------------|  A
+                   |----------------- B
+ 	     |----------------------- B	   
+                                   |- B
+
+            "B overlaps the end of A"				   
+
+	*/
+	if ((sb > sa) && (sb <= ea)) {
+		return OverlapEnd;
+	}
+	/*
+	     |--------------------|     A
+	   --------------------------  B   
+	     |-----------------------  B
+	    ----------------------|    B
+             |--------------------|    B
+
+
+           "B overlaps all of A"
+	*/
+	if ((sa >= sb) && (sa <= eb) && (ea <= eb)) {
+		return OverlapExternal;
+	}
+
+	return OverlapNone;
+}
+
+/* not sure where to put these */
+
+template<class T>
+std::istream& int_to_type (std::istream& o, T& hf) {
+	int val;
+	o >> val;
+	hf = (T) val;
+	return o;
+}
+
+std::istream& operator>>(std::istream& o, HeaderFormat& var) { return int_to_type<HeaderFormat> (o, var); }
+std::istream& operator>>(std::istream& o, SampleFormat& var) { return int_to_type<SampleFormat> (o, var); }
+std::istream& operator>>(std::istream& o, AutoConnectOption& var) { return int_to_type<AutoConnectOption> (o, var); }
+std::istream& operator>>(std::istream& o, MonitorModel& var) { return int_to_type<MonitorModel> (o, var); }
+std::istream& operator>>(std::istream& o, RemoteModel& var) { return int_to_type<RemoteModel> (o, var); }
+std::istream& operator>>(std::istream& o, EditMode& var) { return int_to_type<EditMode> (o, var); }
+std::istream& operator>>(std::istream& o, SoloModel& var) { return int_to_type<SoloModel> (o, var); }
+std::istream& operator>>(std::istream& o, LayerModel& var) { return int_to_type<LayerModel> (o, var); }
+std::istream& operator>>(std::istream& o, CrossfadeModel& var) { return int_to_type<CrossfadeModel> (o, var); }
+std::istream& operator>>(std::istream& o, SlaveSource& var) { return int_to_type<SlaveSource> (o, var); }
+std::istream& operator>>(std::istream& o, ShuttleBehaviour& var) { return int_to_type<ShuttleBehaviour> (o, var); }
+std::istream& operator>>(std::istream& o, ShuttleUnits& var) { return int_to_type<ShuttleUnits> (o, var); }
+std::istream& operator>>(std::istream& o, SmpteFormat& var) { return int_to_type<SmpteFormat> (o, var); }
+std::istream& operator>>(std::istream& o, DenormalModel& var) { return int_to_type<DenormalModel> (o, var); }
+