enough with umpteen "i18n.h" files. Consolidate on pbd/i18n.h

[ardour.git] / libs / ardour / source.cc

diff --git a/libs/ardour/source.cc b/libs/ardour/source.cc
index f819e6eb42cc317a8c75a4f64ec0f3d2eca25a6d..f9772ec9eddbd4c2210c486e2b1581ac91ba7bad 100644 (file)
--- a/libs/ardour/source.cc
+++ b/libs/ardour/source.cc
@@ -19,17 +19,15 @@
 
 #include <sys/stat.h>
 #include <unistd.h>
-#include <fcntl.h>
-#include <poll.h>
 #include <float.h>
 #include <cerrno>
 #include <ctime>
 #include <cmath>
 #include <iomanip>
 #include <algorithm>
-#include <fstream>
 
-#include <glibmm/thread.h>
+#include "pbd/gstdio_compat.h"
+#include <glibmm/threads.h>
 #include <glibmm/miscutils.h>
 #include <glibmm/fileutils.h>
 #include "pbd/xml++.h"
@@ -37,11 +35,12 @@
 #include "pbd/enumwriter.h"
 
 #include "ardour/debug.h"
+#include "ardour/profile.h"
 #include "ardour/session.h"
 #include "ardour/source.h"
 #include "ardour/transient_detector.h"
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace std;
 using namespace ARDOUR;
@@ -53,6 +52,7 @@ Source::Source (Session& s, DataType type, const string& name, Flag flags)
        , _flags(flags)
        , _timeline_position(0)
         , _use_count (0)
+       , _level (0)
 {
        _analysed = false;
        _timestamp = 0;
@@ -65,6 +65,7 @@ Source::Source (Session& s, const XMLNode& node)
        , _flags (Flag (Writable|CanRename))
        , _timeline_position(0)
         , _use_count (0)
+       , _level (0)
 {
        _timestamp = 0;
        _analysed = false;
@@ -98,7 +99,7 @@ Source::get_state ()
        node->add_property ("name", name());
        node->add_property ("type", _type.to_string());
        node->add_property (X_("flags"), enum_2_string (_flags));
-       _id.print (buf, sizeof (buf));
+       id().print (buf, sizeof (buf));
        node->add_property ("id", buf);
 
        if (_timestamp != 0) {
@@ -110,9 +111,9 @@ Source::get_state ()
 }
 
 int
-Source::set_state (const XMLNode& node, int /*version*/)
+Source::set_state (const XMLNode& node, int version)
 {
-       const XMLProperty* prop;
+       XMLProperty const * prop;
 
        if ((prop = node.property ("name")) != 0) {
                _name = prop->value();
@@ -120,9 +121,7 @@ Source::set_state (const XMLNode& node, int /*version*/)
                return -1;
        }
 
-       if ((prop = node.property ("id")) != 0) {
-               _id = prop->value ();
-       } else {
+       if (!set_id (node)) {
                return -1;
        }
 
@@ -146,54 +145,69 @@ Source::set_state (const XMLNode& node, int /*version*/)
                _flags = Flag (_flags | Destructive);
        }
 
+       if (Profile->get_trx() && (_flags & Destructive)) {
+               error << string_compose (_("%1: this session uses destructive tracks, which are not supported"), PROGRAM_NAME) << endmsg;
+               return -1;
+       }
+
+       if (version < 3000) {
+               /* a source with an XML node must necessarily already exist,
+                  and therefore cannot be removable/writable etc. etc.; 2.X
+                  sometimes marks sources as removable which shouldn't be.
+               */
+               if (!(_flags & Destructive)) {
+                       _flags = Flag (_flags & ~(Writable|Removable|RemovableIfEmpty|RemoveAtDestroy|CanRename));
+               }
+       }
+
        return 0;
 }
 
 bool
 Source::has_been_analysed() const
 {
-       Glib::Mutex::Lock lm (_analysis_lock);
+       Glib::Threads::Mutex::Lock lm (_analysis_lock);
        return _analysed;
 }
 
 void
 Source::set_been_analysed (bool yn)
 {
-       {
-               Glib::Mutex::Lock lm (_analysis_lock);
-               _analysed = yn;
-       }
-
        if (yn) {
-               load_transients (get_transients_path());
-               AnalysisChanged(); // EMIT SIGNAL
+               if (0 == load_transients (get_transients_path())) {
+                       yn = false;
+               }
        }
+       if (yn != _analysed) {
+               Glib::Threads::Mutex::Lock lm (_analysis_lock);
+               _analysed = yn;
+       }
+       AnalysisChanged(); // EMIT SIGNAL
 }
 
 int
 Source::load_transients (const string& path)
 {
-       ifstream file (path.c_str());
-
-       if (!file) {
+       int rv = 0;
+       FILE *tf;
+       if (! (tf = g_fopen (path.c_str (), "rb"))) {
                return -1;
        }
 
        transients.clear ();
-
-       stringstream strstr;
-       double val;
-
-       while (file.good()) {
-               file >> val;
-
-               if (!file.fail()) {
-                       nframes64_t frame = (nframes64_t) floor (val * _session.frame_rate());
-                       transients.push_back (frame);
+       while (!feof (tf) && !ferror(tf)) {
+               double val;
+               if (1 != fscanf (tf, "%lf", &val)) {
+                       rv = -1;
+                       break;
                }
+
+               framepos_t frame = (framepos_t) floor (val * _session.frame_rate());
+               transients.push_back (frame);
        }
 
-       return 0;
+       ::fclose (tf);
+       return rv;
 }
 
 string
@@ -209,7 +223,7 @@ Source::get_transients_path () const
        s = _session.analysis_dir ();
        parts.push_back (s);
 
-       s = _id.to_s();
+       s = id().to_s();
        s += '.';
        s += TransientDetector::operational_identifier();
        parts.push_back (s);
@@ -242,10 +256,10 @@ Source::mark_for_remove ()
 {
        // This operation is not allowed for sources for destructive tracks or out-of-session files.
 
-       /* XXX need a way to detect _within_session() condition here - move it from FileSource? 
+       /* XXX need a way to detect _within_session() condition here - move it from FileSource?
         */
 
-       if ((_flags & Destructive)) { 
+       if ((_flags & Destructive)) {
                return;
        }
 
@@ -253,7 +267,7 @@ Source::mark_for_remove ()
 }
 
 void
-Source::set_timeline_position (int64_t pos)
+Source::set_timeline_position (framepos_t pos)
 {
        _timeline_position = pos;
 }
@@ -272,17 +286,30 @@ Source::set_allow_remove_if_empty (bool yn)
        }
 }
 
+void
+Source::inc_use_count ()
+{
+        g_atomic_int_inc (&_use_count);
+}
+
 void
 Source::dec_use_count ()
 {
 #ifndef NDEBUG
-        gint oldval = g_atomic_int_exchange_and_add (&_use_count, -1);
+        gint oldval = g_atomic_int_add (&_use_count, -1);
         if (oldval <= 0) {
                 cerr << "Bad use dec for " << name() << endl;
                 abort ();
         }
         assert (oldval > 0);
-#else 
-        g_atomic_int_exchange_and_add (&_use_count, -1);
+#else
+        g_atomic_int_add (&_use_count, -1);
 #endif
 }
+
+bool
+Source::writable () const
+{
+        return (_flags & Writable) && _session.writable();
+}
+