Sort various things to reduce merge hell. No functional changes.
[ardour.git] / libs / ardour / source_factory.cc
index 61a7659a5edf08e460a2b63708c4e88f3799d4ff..804d4a4d474c0e2c414ec393c7f1a108b5a6a032 100644 (file)
     $Id$
 */
 
+#include <pbd/error.h>
+#include <pbd/convert.h>
+#include <pbd/pthread_utils.h>
+
 #include <ardour/source_factory.h>
 #include <ardour/sndfilesource.h>
-#include <ardour/smf_source.h>
-#include <ardour/destructive_filesource.h>
+#include <ardour/silentfilesource.h>
 #include <ardour/configuration.h>
+#include <ardour/smf_source.h>
 
 #ifdef HAVE_COREAUDIO
 #include <ardour/coreaudiosource.h>
 
 using namespace ARDOUR;
 using namespace std;
+using namespace PBD;
 
 sigc::signal<void,boost::shared_ptr<Source> > SourceFactory::SourceCreated;
+Glib::Cond* SourceFactory::PeaksToBuild;
+Glib::StaticMutex SourceFactory::peak_building_lock = GLIBMM_STATIC_MUTEX_INIT;
+std::list<boost::weak_ptr<AudioSource> > SourceFactory::files_with_peaks;
 
-#ifdef HAVE_COREAUDIO
-boost::shared_ptr<Source>
-SourceFactory::create (const XMLNode& node)
+static void 
+peak_thread_work ()
 {
-       DataType type = DataType::AUDIO;
-       const XMLProperty* prop = node.property("type");
-       if (prop) {
-               type = DataType(prop->value());
-       }
+       PBD::ThreadCreated (pthread_self(), string ("peakbuilder-") + to_string (pthread_self(), std::dec));
 
-       if (type == DataType::AUDIO) {
+       while (true) {
+
+               SourceFactory::peak_building_lock.lock ();
                
-               if (node.property (X_("destructive")) != 0) {
-                       
-                       boost::shared_ptr<Source> ret (new DestructiveFileSource (node));
-                       SourceCreated (ret);
-                       return ret;
+         wait:
+               if (SourceFactory::files_with_peaks.empty()) {
+                       SourceFactory::PeaksToBuild->wait (SourceFactory::peak_building_lock);
+               }
+
+               if (SourceFactory::files_with_peaks.empty()) {
+                       goto wait;
+               }
+
+               boost::shared_ptr<AudioSource> as (SourceFactory::files_with_peaks.front().lock());
+               SourceFactory::files_with_peaks.pop_front ();
+               SourceFactory::peak_building_lock.unlock ();
                
-               } else {
+               if (!as) {
+                       continue;
+               }
+               as->setup_peakfile ();
+       }
+}
 
-                       try {
-                               boost::shared_ptr<Source> ret (new CoreAudioSource (node));
-                               SourceCreated (ret);
-                               return ret;
-                       } 
+void
+SourceFactory::init ()
+{
+       PeaksToBuild = new Glib::Cond();
 
+       for (int n = 0; n < 2; ++n) {
+               Glib::Thread::create (sigc::ptr_fun (::peak_thread_work), false);
+       }
+}
 
-                       catch (failed_constructor& err) {
-                               boost::shared_ptr<Source> ret (new SndFileSource (node));
-                               SourceCreated (ret);
-                               return ret;
-                       }
-               }
+int
+SourceFactory::setup_peakfile (boost::shared_ptr<Source> s, bool async)
+{
+       boost::shared_ptr<AudioSource> as (boost::dynamic_pointer_cast<AudioSource> (s));
 
-       } else if (type == DataType::MIDI) {
-               
-               boost::shared_ptr<Source> ret (new SMFSource (node));
-               SourceCreated (ret);
-               return ret;
+       if (as) {
+
+               if (async) {
+
+                       Glib::Mutex::Lock lm (peak_building_lock);
+                       files_with_peaks.push_back (boost::weak_ptr<AudioSource> (as));
+                       PeaksToBuild->broadcast ();
 
+               } else {
+
+                       if (as->setup_peakfile ()) {
+                               error << string_compose("SourceFactory: could not set up peakfile for %1", as->name()) << endmsg;
+                               return -1;
+                       }
+               }
        }
-       
-       return boost::shared_ptr<Source>();
+
+       return 0;
 }
 
-#else
+boost::shared_ptr<Source>
+SourceFactory::createSilent (Session& s, const XMLNode& node, nframes_t nframes, float sr)
+{
+       boost::shared_ptr<Source> ret (new SilentFileSource (s, node, nframes, sr));
+       // no analysis data - the file is non-existent
+       SourceCreated (ret);
+       return ret;
+}
 
 boost::shared_ptr<Source>
-SourceFactory::create (const XMLNode& node)
+SourceFactory::create (Session& s, const XMLNode& node, bool defer_peaks)
 {
        DataType type = DataType::AUDIO;
        const XMLProperty* prop = node.property("type");
+
        if (prop) {
                type = DataType(prop->value());
        }
 
        if (type == DataType::AUDIO) {
-               
-               if (node.property (X_("destructive")) != 0) {
 
-                       boost::shared_ptr<Source> ret (new DestructiveFileSource (node));
+#ifdef HAVE_COREAUDIO
+
+               try {
+                       boost::shared_ptr<Source> ret (new CoreAudioSource (s, node));
+
+                       if (setup_peakfile (ret, defer_peaks)) {
+                               return boost::shared_ptr<Source>();
+                       }
+
+                       ret->check_for_analysis_data_on_disk ();
                        SourceCreated (ret);
                        return ret;
+               } 
 
-               } else {
 
-                       boost::shared_ptr<Source> ret (new SndFileSource (node));
+               catch (failed_constructor& err) {
+
+                       /* this is allowed to throw */
+
+                       boost::shared_ptr<Source> ret (new SndFileSource (s, node));
+
+                       if (setup_peakfile (ret, defer_peaks)) {
+                               return boost::shared_ptr<Source>();
+                       }
+
+                       ret->check_for_analysis_data_on_disk ();
                        SourceCreated (ret);
                        return ret;
                }
+#else
+               /* this is allowed to throw */
 
-       } else if (type == DataType::MIDI) {
+               boost::shared_ptr<Source> ret (new SndFileSource (s, node));
+
+               if (setup_peakfile (ret, defer_peaks)) {
+                       return boost::shared_ptr<Source>();
+               }
 
-               boost::shared_ptr<Source> ret (new SMFSource (node));
+               ret->check_for_analysis_data_on_disk ();
                SourceCreated (ret);
                return ret;
+#endif
 
+       } else if (type == DataType::MIDI) {
+               boost::shared_ptr<Source> ret (new SMFSource (s, node));
+               ret->check_for_analysis_data_on_disk ();
+               SourceCreated (ret);
+               return ret;
        }
-       
-       return boost::shared_ptr<Source> ();
-}
 
-#endif // HAVE_COREAUDIO
+       return boost::shared_ptr<Source>();
+}
 
-#ifdef HAVE_COREAUDIO
 boost::shared_ptr<Source>
-SourceFactory::createReadable (string idstr, AudioFileSource::Flag flags, bool announce)
+SourceFactory::createReadable (DataType type, Session& s, string path, int chn, AudioFileSource::Flag flags, bool announce, bool defer_peaks)
 {
        if (type == DataType::AUDIO) {
-               if (flags & Destructive) {
-                       boost::shared_ptr<Source> ret (new DestructiveFileSource (idstr, flags));
-                       if (announce) {
-                               SourceCreated (ret);
+       
+#ifdef HAVE_COREAUDIO
+               try {
+                       boost::shared_ptr<Source> ret (new CoreAudioSource (s, path, chn, flags));
+
+                       if (setup_peakfile (ret, defer_peaks)) {
+                               return boost::shared_ptr<Source>();
                        }
-                       return ret;
-               }
 
-               try {
-                       boost::shared_ptr<Source> ret (new CoreAudioSource (idstr, flags));
+                       ret->check_for_analysis_data_on_disk ();
                        if (announce) {
                                SourceCreated (ret);
                        }
                        return ret;
                }
-
+               
                catch (failed_constructor& err) {
-                       boost::shared_ptr<Source> ret (new SndFileSource (idstr, flags));
+                       boost::shared_ptr<Source> ret (new SndFileSource (s, path, chn, flags));
+                       if (setup_peakfile (ret, defer_peaks)) {
+                               return boost::shared_ptr<Source>();
+                       }
+                       ret->check_for_analysis_data_on_disk ();
                        if (announce) {
                                SourceCreated (ret);
                        }
                        return ret;
                }
-       } else if (type == DataType::MIDI) {
+#else
+               boost::shared_ptr<Source> ret (new SndFileSource (s, path, chn, flags));
 
-               boost::shared_ptr<Source> ret (new SMFSource (node));
-               SourceCreated (ret);
-               return ret;
+               if (setup_peakfile (ret, defer_peaks)) {
+                       return boost::shared_ptr<Source>();
+               }
 
-       }
+               ret->check_for_analysis_data_on_disk ();
+               if (announce) {
+                       SourceCreated (ret);
+               }
 
-       return boost::shared_ptr<Source>();
-}
+               return ret;
+#endif
+               
+       } else if (type == DataType::MIDI) {
 
-#else
+               // FIXME: flags?
+               boost::shared_ptr<Source> ret (new SMFSource (s, path, SMFSource::Flag(0)));
 
-boost::shared_ptr<Source>
-SourceFactory::createReadable (DataType type, string idstr, AudioFileSource::Flag flags, bool announce)
-{
-       if (type == DataType::AUDIO) {
-               boost::shared_ptr<Source> ret (new SndFileSource (idstr, flags));
+               ret->check_for_analysis_data_on_disk ();
                if (announce) {
                        SourceCreated (ret);
                }
-               return ret;
 
-       } else if (type == DataType::MIDI) {
-
-               boost::shared_ptr<Source> ret (new SMFSource (idstr, SMFSource::Flag(0))); // FIXME: flags?
-               SourceCreated (ret);
                return ret;
-
        }
-       
-       return boost::shared_ptr<Source> ();
-}
 
-#endif // HAVE_COREAUDIO
+       return boost::shared_ptr<Source>();
+}
 
 boost::shared_ptr<Source>
-SourceFactory::createWritable (DataType type, std::string path, bool destructive, jack_nframes_t rate, bool announce)
+SourceFactory::createWritable (DataType type, Session& s, std::string path, bool destructive, nframes_t rate, bool announce, bool defer_peaks)
 {
        /* this might throw failed_constructor(), which is OK */
-
+       
        if (type == DataType::AUDIO) {
-               if (destructive) {
-                       boost::shared_ptr<Source> ret (new DestructiveFileSource (path,
+               boost::shared_ptr<Source> ret (new SndFileSource 
+                                              (s, path, 
                                                Config->get_native_file_data_format(),
                                                Config->get_native_file_header_format(),
-                                               rate));
-                       if (announce) {
-                               SourceCreated (ret);
-                       }
-                       return ret;
+                                               rate,
+                                               (destructive ? AudioFileSource::Flag (SndFileSource::default_writable_flags | AudioFileSource::Destructive) :
+                                                SndFileSource::default_writable_flags)));      
 
-               } else {
-                       boost::shared_ptr<Source> ret (new SndFileSource (path, 
-                                               Config->get_native_file_data_format(),
-                                               Config->get_native_file_header_format(),
-                                               rate));
-                       if (announce) {
-                               SourceCreated (ret);
-                       }
-                       return ret;
+               if (setup_peakfile (ret, defer_peaks)) {
+                       return boost::shared_ptr<Source>();
+               }
+               
+               // no analysis data - this is a new file
+
+               if (announce) {
+                       SourceCreated (ret);
                }
+               return ret;
+
        } else if (type == DataType::MIDI) {
 
-               boost::shared_ptr<Source> ret (new SMFSource (path));
-               SourceCreated (ret);
+               boost::shared_ptr<Source> ret (new SMFSource (s, path));
+       
+               // no analysis data - this is a new file
+               
+               if (announce) {
+                       SourceCreated (ret);
+               }
                return ret;
 
        }