try to fix various warnings from gcc when optimization flags are enabled
[ardour.git] / libs / ardour / globals.cc
index 1aabbe760e9e6b2c11ab61a535175157ef9ccb0f..2cd886b03ea9f95858f56da1eef6de3915b90b0b 100644 (file)
@@ -21,6 +21,7 @@
 #endif
 
 #include <cstdio> // Needed so that libraptor (included in lrdf) won't complain
+#include <cstdlib>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <sys/time.h>
@@ -28,6 +29,7 @@
 #include <unistd.h>
 #include <fcntl.h>
 #include <errno.h>
+#include <time.h>
 
 #ifdef WINDOWS_VST_SUPPORT
 #include <fst.h>
 #include <xmmintrin.h>
 #endif
 
+#ifdef check
+#undef check /* stupid Apple and their un-namespaced, generic Carbon macros */
+#endif 
+
 #include <glibmm/fileutils.h>
 #include <glibmm/miscutils.h>
 
 #include <lrdf.h>
 
+#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"
 #include "pbd/enumwriter.h"
+#include "pbd/basename.h"
 
 #include "midi++/port.h"
-#include "midi++/manager.h"
 #include "midi++/mmc.h"
 
 #include "ardour/analyser.h"
-#include "ardour/ardour.h"
 #include "ardour/audio_library.h"
+#include "ardour/audio_backend.h"
 #include "ardour/audioengine.h"
+#include "ardour/audioplaylist.h"
 #include "ardour/audioregion.h"
-#include "ardour/audiosource.h"
 #include "ardour/buffer_manager.h"
 #include "ardour/control_protocol_manager.h"
-#include "ardour/dB.h"
-#include "ardour/debug.h"
 #include "ardour/filesystem_paths.h"
 #include "ardour/midi_region.h"
+#include "ardour/midiport_manager.h"
 #include "ardour/mix.h"
-#include "ardour/audioplaylist.h"
 #include "ardour/panner_manager.h"
 #include "ardour/plugin_manager.h"
 #include "ardour/process_thread.h"
 #include "ardour/profile.h"
-#include "ardour/region.h"
 #include "ardour/rc_configuration.h"
+#include "ardour/region.h"
 #include "ardour/route_group.h"
 #include "ardour/runtime_functions.h"
-#include "ardour/session.h"
 #include "ardour/session_event.h"
 #include "ardour/source_factory.h"
-#include "ardour/utils.h"
 
 #include "audiographer/routines.h"
 
@@ -104,6 +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;
@@ -111,42 +117,17 @@ mix_buffers_with_gain_t ARDOUR::mix_buffers_with_gain = 0;
 mix_buffers_no_gain_t   ARDOUR::mix_buffers_no_gain = 0;
 
 PBD::Signal1<void,std::string> ARDOUR::BootMessage;
+PBD::Signal0<void> ARDOUR::GUIIdle;
 
-void ARDOUR::setup_enum_writer ();
+namespace ARDOUR {
+extern void setup_enum_writer ();
+}
 
 /* this is useful for quite a few things that want to check
    if any bounds-related property has changed
 */
 PBD::PropertyChange ARDOUR::bounds_change;
 
-namespace ARDOUR {
-       namespace Properties {
-
-               /* the envelope and fades are not scalar items and so
-                  currently (2010/02) are not stored using Property.
-                  However, these descriptors enable us to notify
-                  about changes to them via PropertyChange.
-
-                  Declared in ardour/audioregion.h ...
-               */
-
-               PBD::PropertyDescriptor<bool> fade_in;
-               PBD::PropertyDescriptor<bool> fade_out;
-               PBD::PropertyDescriptor<bool> envelope;
-       }
-}
-
-void
-ARDOUR::make_property_quarks ()
-{
-       Properties::fade_in.property_id = g_quark_from_static_string (X_("fade_in_FAKE"));
-        DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for fade_in_FAKE = %1\n",       Properties::fade_in.property_id));
-       Properties::fade_out.property_id = g_quark_from_static_string (X_("fade_out_FAKE"));
-        DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for fade_out_FAKE = %1\n",      Properties::fade_out.property_id));
-       Properties::envelope.property_id = g_quark_from_static_string (X_("envelope_FAKE"));
-        DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for envelope_FAKE = %1\n",      Properties::envelope.property_id));
-}
-
 void
 setup_hardware_optimization (bool try_optimization)
 {
@@ -166,8 +147,7 @@ setup_hardware_optimization (bool try_optimization)
                        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_with_gain = default_mix_buffers_with_gain;
+                       mix_buffers_with_gain = x86_sse_mix_buffers_with_gain;
                        mix_buffers_no_gain   = x86_sse_mix_buffers_no_gain;
 
                        generic_mix_functions = false;
@@ -229,10 +209,8 @@ lotsa_files_please ()
                                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 (_("%1 will be limited to %2 open files"), PROGRAM_NAME, rl.rlim_cur) << endmsg;
+                       if (rl.rlim_cur != RLIM_INFINITY) {
+                               info << string_compose (_("Your system is configured to limit %1 to only %2 open files"), PROGRAM_NAME, rl.rlim_cur) << endmsg;
                        }
                }
        } else {
@@ -240,19 +218,21 @@ lotsa_files_please ()
        }
 }
 
-int
-ARDOUR::init (bool use_windows_vst, bool try_optimization)
+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;
        }
 
-       (void) bindtextdomain(PACKAGE, LOCALEDIR);
+       if (!PBD::init()) return false;
+
+#ifdef ENABLE_NLS
+       (void) bindtextdomain(PACKAGE, localedir);
+#endif
 
-       PBD::ID::init ();
        SessionEvent::init_event_pool ();
 
-       make_property_quarks ();
        SessionObject::make_property_quarks ();
        Region::make_property_quarks ();
        MidiRegion::make_property_quarks ();
@@ -277,7 +257,7 @@ ARDOUR::init (bool use_windows_vst, bool try_optimization)
 
        Stateful::current_state_version = CURRENT_SESSION_FILE_VERSION;
 
-       setup_enum_writer ();
+       ARDOUR::setup_enum_writer ();
 
        // allow ardour the absolute maximum number of open files
        lotsa_files_please ();
@@ -290,7 +270,7 @@ ARDOUR::init (bool use_windows_vst, bool try_optimization)
        Config = new RCConfiguration;
 
        if (Config->load_state ()) {
-               return -1;
+               return false;
        }
 
        Config->set_use_windows_vst (use_windows_vst);
@@ -303,13 +283,13 @@ ARDOUR::init (bool use_windows_vst, bool try_optimization)
 
 #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
 
@@ -317,17 +297,6 @@ ARDOUR::init (bool use_windows_vst, bool try_optimization)
        AUPluginInfo::load_cached_info ();
 #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 ();
@@ -337,7 +306,11 @@ ARDOUR::init (bool use_windows_vst, bool try_optimization)
        (void) PluginManager::instance();
 
         ProcessThread::init ();
-        BufferManager::init (10); // XX should be num_processors_for_dsp + 1 for the GUI thread
+       /* the + 4 is a bit of a handwave. i don't actually know
+          how many more per-thread buffer sets we need above
+          the h/w concurrency, but its definitely > 1 more.
+       */
+        BufferManager::init (hardware_concurrency() + 4); 
 
         PannerManager::instance().discover_panners();
 
@@ -359,15 +332,16 @@ ARDOUR::init (bool use_windows_vst, bool try_optimization)
        EventTypeMap::instance().new_parameter(EnvelopeAutomation);
        EventTypeMap::instance().new_parameter(MidiCCAutomation);
 
-       return 0;
+       ARDOUR::AudioEngine::create ();
+
+       libardour_initialized = true;
+
+       return true;
 }
 
 void
 ARDOUR::init_post_engine ()
 {
-       /* the MIDI Manager is needed by the ControlProtocolManager */
-       MIDI::Manager::create (AudioEngine::instance()->jack());
-
        ControlProtocolManager::instance().discover_control_protocols ();
 
        XMLNode* node;
@@ -380,9 +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();
@@ -390,17 +370,19 @@ ARDOUR::cleanup ()
        fst_exit ();
 #endif
 
-#ifdef LXVST_SUPPOR
+#ifdef LXVST_SUPPORT
        vstfx_exit();
 #endif
-       return 0;
+       PBD::cleanup ();
+
+       return;
 }
 
 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();
+       vector<std::string> found;
+       SearchPath spath = ardour_config_search_path();
 
        if (getenv ("ARDOUR_SAE")) {
                Glib::PatternSpec pattern("*SAE-*.bindings");
@@ -414,11 +396,11 @@ ARDOUR::find_bindings_files (map<string,string>& files)
                return;
        }
 
-       for (vector<sys::path>::iterator x = found.begin(); x != found.end(); ++x) {
-               sys::path path = *x;
+       for (vector<std::string>::iterator x = found.begin(); x != found.end(); ++x) {
+               std::string path(*x);
                pair<string,string> namepath;
-               namepath.second = path.to_string();
-               namepath.first = path.leaf().substr (0, path.leaf().find_first_of ('.'));
+               namepath.second = path;
+               namepath.first = PBD::basename_nosuffix (path);
                files.insert (namepath);
        }
 }
@@ -493,91 +475,116 @@ ARDOUR::setup_fpu ()
 #endif
 }
 
-ARDOUR::OverlapType
-ARDOUR::coverage (framepos_t sa, framepos_t ea,
-                 framepos_t sb, framepos_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.
-       */
+/* this can be changed to modify the translation behaviour for
+   cases where the user has never expressed a preference.
+*/
+static const bool translate_by_default = true;
 
-       /*
-            |--------------------|   A
-                 |------|            B
-               |-----------------|   B
+string
+ARDOUR::translation_enable_path ()
+{
+        return Glib::build_filename (user_config_directory(), ".translate");
+}
 
+bool
+ARDOUR::translations_are_enabled ()
+{
+       int fd = ::open (ARDOUR::translation_enable_path().c_str(), O_RDONLY);
 
-             "B is internal to A"
+       if (fd < 0) {
+               return translate_by_default;
+       }
 
-       */
+       char c;
+       bool ret = false;
 
-       if ((sb > sa) && (eb <= ea)) {
-               return OverlapInternal;
+       if (::read (fd, &c, 1) == 1 && c == '1') {
+               ret = true;
        }
 
-       /*
-            |--------------------|   A
-          ----|                      B
-           -----------------------|   B
-          --|                        B
+       ::close (fd);
 
-            "B overlaps the start of A"
+       return ret;
+}
 
-       */
+bool
+ARDOUR::set_translations_enabled (bool yn)
+{
+       string i18n_enabler = ARDOUR::translation_enable_path();
+       int fd = ::open (i18n_enabler.c_str(), O_WRONLY|O_CREAT|O_TRUNC, 0644);
 
-       if ((eb >= sa) && (eb <= ea)) {
-               return OverlapStart;
+       if (fd < 0) {
+               return false;
        }
-       /*
-            |---------------------|  A
-                   |----------------- B
-            |----------------------- B
-                                   |- B
+       
+       char c;
+       
+       if (yn) {
+               c = '1';
+       } else {
+               c = '0';
+       }
+       
+       (void) ::write (fd, &c, 1);
+       (void) ::close (fd);
 
-            "B overlaps the end of A"
+       return true;
+}
 
-       */
-       if ((sb > sa) && (sb <= ea)) {
-               return OverlapEnd;
-       }
-       /*
-            |--------------------|     A
-          --------------------------  B
-            |-----------------------  B
-           ----------------------|    B
-             |--------------------|    B
 
+vector<SyncSource>
+ARDOUR::get_available_sync_options ()
+{
+       vector<SyncSource> ret;
 
-           "B overlaps all of A"
-       */
-       if ((sa >= sb) && (sa <= eb) && (ea <= eb)) {
-               return OverlapExternal;
+       boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend();
+       if (backend && backend->name() == "JACK") {
+               ret.push_back (Engine);
        }
 
-       return OverlapNone;
+       ret.push_back (MTC);
+       ret.push_back (MIDIClock);
+       ret.push_back (LTC);
+
+       return ret;
 }
 
-string
-ARDOUR::translation_kill_path ()
+/** 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)
 {
-        return Glib::build_filename (user_config_directory().to_string(), ".love_is_the_language_of_audio");
+        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;
 }
-
-bool
-ARDOUR::translations_are_disabled ()
+#endif
+microseconds_t
+ARDOUR::get_microseconds ()
 {
-        /* if file does not exist, we don't translate (bundled ardour only) */
-        return Glib::file_test (translation_kill_path(), Glib::FILE_TEST_EXISTS) == false;
+       struct timespec ts;
+       if (clock_gettime (CLOCK_MONOTONIC, &ts) != 0) {
+               /* EEEK! */
+               return 0;
+       }
+       return (microseconds_t) ts.tv_sec * 1000000 + (ts.tv_nsec/1000);
 }