fix crash when copy'ing latent plugins
[ardour.git] / libs / ardour / source_factory.cc
index 3a657bc0e2fdf1b2eb23fcbf4b52c3c3928b756a..834014bd1f9874d712b3f57fa9a17d4072393d56 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2000-2006 Paul Davis 
+    Copyright (C) 2000-2006 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
     $Id$
 */
 
-#include <pbd/error.h>
-#include <pbd/convert.h>
-#include <pbd/pthread_utils.h>
-
-#include <ardour/source_factory.h>
-#include <ardour/sndfilesource.h>
-#include <ardour/silentfilesource.h>
-#include <ardour/configuration.h>
-#include <ardour/smf_source.h>
+#ifdef WAF_BUILD
+#include "libardour-config.h"
+#endif
 
-#ifdef HAVE_COREAUDIO
-#include <ardour/coreaudiosource.h>
+#include "pbd/error.h"
+#include "pbd/convert.h"
+#include "pbd/pthread_utils.h"
+#include "pbd/stacktrace.h"
+
+#include "ardour/audioplaylist.h"
+#include "ardour/audio_playlist_source.h"
+#include "ardour/boost_debug.h"
+#include "ardour/midi_playlist.h"
+#include "ardour/midi_playlist_source.h"
+#include "ardour/source.h"
+#include "ardour/source_factory.h"
+#include "ardour/sndfilesource.h"
+#include "ardour/silentfilesource.h"
+#include "ardour/smf_source.h"
+#include "ardour/session.h"
+
+#ifdef  HAVE_COREAUDIO
+#include "ardour/coreaudiosource.h"
 #endif
 
-#include "i18n.h"
+
+#include "pbd/i18n.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;
+PBD::Signal1<void,boost::shared_ptr<Source> > SourceFactory::SourceCreated;
+Glib::Threads::Cond SourceFactory::PeaksToBuild;
+Glib::Threads::Mutex SourceFactory::peak_building_lock;
 std::list<boost::weak_ptr<AudioSource> > SourceFactory::files_with_peaks;
 
-static void 
+static int active_threads = 0;
+
+static void
 peak_thread_work ()
 {
-       PBD::ThreadCreated (pthread_self(), string ("peakbuilder-") + to_string (pthread_self(), std::dec));
+       SessionEvent::create_per_thread_pool (X_("PeakFile Builder "), 64);
 
        while (true) {
 
                SourceFactory::peak_building_lock.lock ();
-               
+
          wait:
                if (SourceFactory::files_with_peaks.empty()) {
-                       SourceFactory::PeaksToBuild->wait (SourceFactory::peak_building_lock);
+                       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 ();
+               ++active_threads;
                SourceFactory::peak_building_lock.unlock ();
-               
+
                if (!as) {
                        continue;
                }
 
                as->setup_peakfile ();
+               SourceFactory::peak_building_lock.lock ();
+               --active_threads;
+               SourceFactory::peak_building_lock.unlock ();
        }
 }
 
+int
+SourceFactory::peak_work_queue_length ()
+{
+       // ideally we'd loop over the queue and check for duplicates
+       // and existing valid peak-files..
+       return SourceFactory::files_with_peaks.size () + active_threads;
+}
+
 void
 SourceFactory::init ()
 {
-       PeaksToBuild = new Glib::Cond();
-
        for (int n = 0; n < 2; ++n) {
-               Glib::Thread::create (sigc::ptr_fun (::peak_thread_work), false);
+               Glib::Threads::Thread::create (sigc::ptr_fun (::peak_thread_work));
        }
 }
 
@@ -90,11 +114,12 @@ SourceFactory::setup_peakfile (boost::shared_ptr<Source> s, bool async)
 
        if (as) {
 
-               if (async) {
+               // immediately set 'peakfile-path' for empty and NoPeakFile sources
+               if (async && !as->empty() && !(as->flags() & Source::NoPeakFile)) {
 
-                       Glib::Mutex::Lock lm (peak_building_lock);
+                       Glib::Threads::Mutex::Lock lm (peak_building_lock);
                        files_with_peaks.push_back (boost::weak_ptr<AudioSource> (as));
-                       PeaksToBuild->broadcast ();
+                       PeaksToBuild.broadcast ();
 
                } else {
 
@@ -109,9 +134,14 @@ SourceFactory::setup_peakfile (boost::shared_ptr<Source> s, bool async)
 }
 
 boost::shared_ptr<Source>
-SourceFactory::createSilent (Session& s, const XMLNode& node, nframes_t nframes, float sr)
+SourceFactory::createSilent (Session& s, const XMLNode& node, framecnt_t nframes, float sr)
 {
-       boost::shared_ptr<Source> ret (new SilentFileSource (s, node, nframes, sr));
+       Source* src = new SilentFileSource (s, node, nframes, sr);
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+       // boost_debug_shared_ptr_mark_interesting (src, "Source");
+#endif
+       boost::shared_ptr<Source> ret (src);
+       // no analysis data - the file is non-existent
        SourceCreated (ret);
        return ret;
 }
@@ -119,156 +149,310 @@ SourceFactory::createSilent (Session& s, const XMLNode& node, nframes_t nframes,
 boost::shared_ptr<Source>
 SourceFactory::create (Session& s, const XMLNode& node, bool defer_peaks)
 {
-       DataType type = DataType::AUDIO;
-       const XMLProperty* prop = node.property("type");
+       DataType type = DataType::AUDIO;
+       XMLProperty const * prop = node.property("type");
+
+       if (prop) {
+               type = DataType (prop->value());
+       }
 
-       if (prop) {
-               type = DataType(prop->value());
-       }
+       if (type == DataType::AUDIO) {
+
+               /* it could be nested */
+
+               if (node.property ("playlist") != 0) {
+
+                       try {
+                               boost::shared_ptr<AudioPlaylistSource> ap (new AudioPlaylistSource (s, node));
+
+                               if (setup_peakfile (ap, true)) {
+                                       return boost::shared_ptr<Source>();
+                               }
+
+                               ap->check_for_analysis_data_on_disk ();
+
+                               SourceCreated (ap);
+                               return ap;
+
+                       } catch (failed_constructor&) {
+                               /* oh well, so much for that then ... */
+                       }
+
+               } else {
 
-       if (type == DataType::AUDIO) {
+
+                       try {
+                               Source* src = new SndFileSource (s, node);
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+                               // boost_debug_shared_ptr_mark_interesting (src, "Source");
+#endif
+                               boost::shared_ptr<Source> ret (src);
+                               if (setup_peakfile (ret, defer_peaks)) {
+                                       return boost::shared_ptr<Source>();
+                               }
+                               ret->check_for_analysis_data_on_disk ();
+                               SourceCreated (ret);
+                               return ret;
+                       }
+
+                       catch (failed_constructor& err) {
 
 #ifdef HAVE_COREAUDIO
 
-              try {
-                      boost::shared_ptr<Source> ret (new CoreAudioSource (s, node));
-                      
-                      if (setup_peakfile (ret, defer_peaks)) {
-                              return boost::shared_ptr<Source>();
-                      }
-                      
-                      SourceCreated (ret);
-                      return ret;
-              } 
-              
-              
-              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>();
-                      }
-                      
-                      SourceCreated (ret);
-                      return ret;
-              }
+                               /* this is allowed to throw */
+
+                               Source *src = new CoreAudioSource (s, node);
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+                               // boost_debug_shared_ptr_mark_interesting (src, "Source");
+#endif
+                               boost::shared_ptr<Source> ret (src);
+
+                               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 */
-
-              boost::shared_ptr<Source> ret (new SndFileSource (s, node));
-              
-              if (setup_peakfile (ret, defer_peaks)) {
-                      return boost::shared_ptr<Source>();
-              }
-              
-              SourceCreated (ret);
-              return ret;
+                               throw; // rethrow
 #endif
-       
-       } else if (type == DataType::MIDI) {
-                  boost::shared_ptr<Source> ret (new SMFSource (s, node));
-                      
-                  SourceCreated (ret);
-                  return ret;
-       }
+                       }
+               }
+       } else if (type == DataType::MIDI) {
+               boost::shared_ptr<SMFSource> src (new SMFSource (s, node));
+               Source::Lock lock(src->mutex());
+               src->load_model (lock, true);
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+               // boost_debug_shared_ptr_mark_interesting (src, "Source");
+#endif
+               src->check_for_analysis_data_on_disk ();
+               SourceCreated (src);
+               return src;
+       }
 
        return boost::shared_ptr<Source>();
 }
 
 boost::shared_ptr<Source>
-SourceFactory::createReadable (DataType type, Session& s, string path, int chn, AudioFileSource::Flag flags, bool announce, bool defer_peaks)
+SourceFactory::createExternal (DataType type, Session& s, const string& path,
+                              int chn, Source::Flag flags, bool announce, bool defer_peaks)
 {
        if (type == DataType::AUDIO) {
-       
-#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>();
+               if (!(flags & Destructive)) {
+
+                       try {
+
+                               Source* src = new SndFileSource (s, path, chn, flags);
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+                               // boost_debug_shared_ptr_mark_interesting (src, "Source");
+#endif
+                               boost::shared_ptr<Source> ret (src);
+
+                               if (setup_peakfile (ret, defer_peaks)) {
+                                       return boost::shared_ptr<Source>();
+                               }
+
+                               ret->check_for_analysis_data_on_disk ();
+                               if (announce) {
+                                       SourceCreated (ret);
+                               }
+                               return ret;
                        }
 
-                       if (announce) {
-                               SourceCreated (ret);
+                       catch (failed_constructor& err) {
+#ifdef HAVE_COREAUDIO
+
+                               Source* src = new CoreAudioSource (s, path, chn, flags);
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+                               // boost_debug_shared_ptr_mark_interesting (src, "Source");
+#endif
+                               boost::shared_ptr<Source> ret (src);
+                               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
+                               throw; // rethrow
+#endif
                        }
-                       return ret;
+
+               } else {
+                       // eh?
                }
-               
-               catch (failed_constructor& err) {
-                       boost::shared_ptr<Source> ret (new SndFileSource (s, path, chn, flags));
-                       if (setup_peakfile (ret, defer_peaks)) {
-                               return boost::shared_ptr<Source>();
-                       }
-                       if (announce) {
-                               SourceCreated (ret);
-                       }
-                       return ret;
+
+       } else if (type == DataType::MIDI) {
+
+               boost::shared_ptr<SMFSource> src (new SMFSource (s, path));
+               Source::Lock lock(src->mutex());
+               src->load_model (lock, true);
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+               // boost_debug_shared_ptr_mark_interesting (src, "Source");
+#endif
+
+               if (announce) {
+                       SourceCreated (src);
                }
-#else
-               boost::shared_ptr<Source> ret (new SndFileSource (s, path, chn, flags));
+
+               return src;
+
+       }
+
+       return boost::shared_ptr<Source>();
+}
+
+boost::shared_ptr<Source>
+SourceFactory::createWritable (DataType type, Session& s, const std::string& path,
+                              bool destructive, framecnt_t rate, bool announce, bool defer_peaks)
+{
+       /* this might throw failed_constructor(), which is OK */
+
+       if (type == DataType::AUDIO) {
+               Source* src = new SndFileSource (s, path, string(),
+                                                s.config.get_native_file_data_format(),
+                                                s.config.get_native_file_header_format(),
+                                                rate,
+                                                (destructive
+                                                 ? Source::Flag (SndFileSource::default_writable_flags | Source::Destructive)
+                                                 : SndFileSource::default_writable_flags));
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+               // boost_debug_shared_ptr_mark_interesting (src, "Source");
+#endif
+               boost::shared_ptr<Source> ret (src);
 
                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;
-#endif
-               
+
        } else if (type == DataType::MIDI) {
+                // XXX writable flags should belong to MidiSource too
+               boost::shared_ptr<SMFSource> src (new SMFSource (s, path, SndFileSource::default_writable_flags));
+               assert (src->writable ());
+
+               Source::Lock lock(src->mutex());
+               src->load_model (lock, true);
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+               // boost_debug_shared_ptr_mark_interesting (src, "Source");
+#endif
 
-               // FIXME: flags?
-               boost::shared_ptr<Source> ret (new SMFSource (s, path, SMFSource::Flag(0)));
+               // no analysis data - this is a new file
 
                if (announce) {
-                       SourceCreated (ret);
+                       SourceCreated (src);
                }
+               return src;
 
-               return ret;
        }
 
-       return boost::shared_ptr<Source>();
+       return boost::shared_ptr<Source> ();
 }
 
 boost::shared_ptr<Source>
-SourceFactory::createWritable (DataType type, Session& s, std::string path, bool destructive, nframes_t rate, bool announce, bool defer_peaks)
+SourceFactory::createForRecovery (DataType type, Session& s, const std::string& path, int chn)
 {
        /* this might throw failed_constructor(), which is OK */
-       
+
        if (type == DataType::AUDIO) {
-               boost::shared_ptr<Source> ret (new SndFileSource 
-                                              (s, path, 
-                                               Config->get_native_file_data_format(),
-                                               Config->get_native_file_header_format(),
-                                               rate,
-                                               (destructive ? AudioFileSource::Flag (SndFileSource::default_writable_flags | AudioFileSource::Destructive) :
-                                                SndFileSource::default_writable_flags)));      
+               Source* src = new SndFileSource (s, path, chn);
+
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+               // boost_debug_shared_ptr_mark_interesting (src, "Source");
+#endif
+               boost::shared_ptr<Source> ret (src);
 
                if (setup_peakfile (ret, false)) {
                        return boost::shared_ptr<Source>();
                }
 
-               if (announce) {
-                       SourceCreated (ret);
-               }
+               // no analysis data - this is still basically a new file (we
+               // crashed while recording.
+
+               // always announce these files
+
+               SourceCreated (ret);
+
                return ret;
 
        } else if (type == DataType::MIDI) {
+               error << _("Recovery attempted on a MIDI file - not implemented") << endmsg;
+       }
 
-               boost::shared_ptr<Source> ret (new SMFSource (s, path));
-               
-               if (announce) {
-                       SourceCreated (ret);
+       return boost::shared_ptr<Source> ();
+}
+
+boost::shared_ptr<Source>
+SourceFactory::createFromPlaylist (DataType type, Session& s, boost::shared_ptr<Playlist> p, const PBD::ID& orig, const std::string& name,
+                                  uint32_t chn, frameoffset_t start, framecnt_t len, bool copy, bool defer_peaks)
+{
+       if (type == DataType::AUDIO) {
+               try {
+
+                       boost::shared_ptr<AudioPlaylist> ap = boost::dynamic_pointer_cast<AudioPlaylist>(p);
+
+                       if (ap) {
+
+                               if (copy) {
+                                       ap.reset (new AudioPlaylist (ap, start, len, name, true));
+                                       start = 0;
+                               }
+
+                               Source* src = new AudioPlaylistSource (s, orig, name, ap, chn, start, len, Source::Flag (0));
+                               boost::shared_ptr<Source> ret (src);
+
+                               if (setup_peakfile (ret, defer_peaks)) {
+                                       return boost::shared_ptr<Source>();
+                               }
+
+                               ret->check_for_analysis_data_on_disk ();
+                               SourceCreated (ret);
+                               return ret;
+                       }
+               }
+
+               catch (failed_constructor& err) {
+                       /* relax - return at function scope */
+               }
+
+       } else if (type == DataType::MIDI) {
+
+               try {
+
+                       boost::shared_ptr<MidiPlaylist> ap = boost::dynamic_pointer_cast<MidiPlaylist>(p);
+
+                       if (ap) {
+
+                               if (copy) {
+                                       ap.reset (new MidiPlaylist (ap, start, len, name, true));
+                                       start = 0;
+                               }
+
+                               Source* src = new MidiPlaylistSource (s, orig, name, ap, chn, start, len, Source::Flag (0));
+                               boost::shared_ptr<Source> ret (src);
+
+                               SourceCreated (ret);
+                               return ret;
+                       }
+               }
+
+               catch (failed_constructor& err) {
+                       /* relax - return at function scope */
                }
-               return ret;
 
        }
 
-       return boost::shared_ptr<Source> ();
+       return boost::shared_ptr<Source>();
 }
+