Fix broken whitespace. I'd apologize for the compile times if it was my fault :D
[ardour.git] / libs / ardour / source_factory.cc
index 6ecd79844dd95c6d6f69a976b1c354d57280c6e5..a2e93ee61b9711efb8bdedebdd63f212e7382136 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>
+#ifdef WAF_BUILD
+#include "libardour-config.h"
+#endif
 
-#include <ardour/source_factory.h>
-#include <ardour/sndfilesource.h>
-#include <ardour/silentfilesource.h>
-#include <ardour/configuration.h>
+#include "pbd/boost_debug.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/midi_playlist.h"
+#include "ardour/midi_playlist_source.h"
+#include "ardour/source_factory.h"
+#include "ardour/sndfilesource.h"
+#include "ardour/silentfilesource.h"
+#include "ardour/rc_configuration.h"
+#include "ardour/smf_source.h"
+#include "ardour/session.h"
+
+#ifdef  HAVE_COREAUDIO
+#define USE_COREAUDIO_FOR_FILES
+#endif
 
-#ifdef HAVE_COREAUDIO
-#include <ardour/coreaudiosource.h>
+#ifdef USE_COREAUDIO_FOR_FILES
+#include "ardour/coreaudiosource.h"
 #endif
 
+
 #include "i18n.h"
 
 using namespace ARDOUR;
 using namespace std;
 using namespace PBD;
 
-sigc::signal<void,boost::shared_ptr<Source> > SourceFactory::SourceCreated;
+PBD::Signal1<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;
+
+static void
+peak_thread_work ()
+{
+       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);
+               }
+
+               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 ();
+
+               if (!as) {
+                       continue;
+               }
+
+               as->setup_peakfile ();
+       }
+}
+
+void
+SourceFactory::init ()
+{
+       PeaksToBuild = new Glib::Cond();
+
+       for (int n = 0; n < 2; ++n) {
+               Glib::Thread::create (sigc::ptr_fun (::peak_thread_work), false);
+       }
+}
 
 int
-SourceFactory::setup_peakfile (boost::shared_ptr<Source> s)
+SourceFactory::setup_peakfile (boost::shared_ptr<Source> s, bool async)
 {
        boost::shared_ptr<AudioSource> as (boost::dynamic_pointer_cast<AudioSource> (s));
+
        if (as) {
-               if (as->setup_peakfile ()) {
-                       error << string_compose("SourceFactory: could not set up peakfile for %1", as->name()) << endmsg;
-                       return -1;
+
+               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;
+                       }
                }
        }
 
@@ -52,145 +125,289 @@ SourceFactory::setup_peakfile (boost::shared_ptr<Source> s)
 }
 
 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;
 }
 
-#ifdef HAVE_COREAUDIO
 boost::shared_ptr<Source>
-SourceFactory::create (Session& s, const XMLNode& node)
+SourceFactory::create (Session& s, const XMLNode& node, bool defer_peaks)
 {
-       try {
-               boost::shared_ptr<Source> ret (new CoreAudioSource (s, node));
-               if (setup_peakfile (ret)) {
-                       return boost::shared_ptr<Source>();
-               }
-               SourceCreated (ret);
-               return ret;
-       } 
+       DataType type = DataType::AUDIO;
+       const XMLProperty* prop = node.property("type");
 
+       if (prop) {
+               type = DataType (prop->value());
+       }
 
-       catch (failed_constructor& err) {       
+       if (type == DataType::AUDIO) {
 
-               /* this is allowed to throw */
+               /* it could be nested */
 
-               boost::shared_ptr<Source> ret (new SndFileSource (s, node));
-               if (setup_peakfile (ret)) {
-                       return boost::shared_ptr<Source>();
+               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 {
+
+
+                       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 USE_COREAUDIO_FOR_FILES
+
+                               /* 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
+                               throw; // rethrow
+#endif
+                       }
                }
-               SourceCreated (ret);
-               return ret;
+       } else if (type == DataType::MIDI) {
+               boost::shared_ptr<SMFSource> src (new SMFSource (s, node));
+               src->load_model (true, 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>();
 }
 
-#else
-
 boost::shared_ptr<Source>
-SourceFactory::create (Session& s, const XMLNode& node)
+SourceFactory::createReadable (DataType type, Session& s, const string& path,
+                              int chn, Source::Flag flags, bool announce, bool defer_peaks)
 {
-       /* this is allowed to throw */
+       if (type == DataType::AUDIO) {
 
-       boost::shared_ptr<Source> ret (new SndFileSource (s, node));
-       
-       if (setup_peakfile (ret)) {
-               return boost::shared_ptr<Source>();
-       }
-       
-       SourceCreated (ret);
-       return ret;
-}
+               if (!(flags & Destructive)) {
 
-#endif // HAVE_COREAUDIO
+                       try {
 
-#ifdef HAVE_COREAUDIO
-boost::shared_ptr<Source>
-SourceFactory::createReadable (Session& s, string path, int chn, AudioFileSource::Flag flags, bool announce)
-{
-       if (!(flags & Destructive)) {
+                               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);
 
-               try {
-                       boost::shared_ptr<Source> ret (new CoreAudioSource (s, path, chn, flags));
-                       if (setup_peakfile (ret)) {
-                               return boost::shared_ptr<Source>();
-                       }
-                       if (announce) {
-                               SourceCreated (ret);
+                               if (setup_peakfile (ret, defer_peaks)) {
+                                       return boost::shared_ptr<Source>();
+                               }
+
+                               ret->check_for_analysis_data_on_disk ();
+                               if (announce) {
+                                       SourceCreated (ret);
+                               }
+                               return ret;
                        }
-                       return ret;
-               }
-               
-               catch (failed_constructor& err) {
 
-                       /* this is allowed to throw */
+                       catch (failed_constructor& err) {
+#ifdef USE_COREAUDIO_FOR_FILES
 
-                       boost::shared_ptr<Source> ret (new SndFileSource (s, path, chn, flags));
-                       if (setup_peakfile (ret)) {
-                               return boost::shared_ptr<Source>();
-                       }
-                       if (announce) {
-                               SourceCreated (ret);
+                               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?
                }
 
-       } else {
+       } else if (type == DataType::MIDI) {
+
+               SMFSource* src = new SMFSource (s, path, SMFSource::Flag(0));
+               src->load_model (true, true);
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+               // boost_debug_shared_ptr_mark_interesting (src, "Source");
+#endif
+               boost::shared_ptr<Source> ret (src);
 
-               boost::shared_ptr<Source> ret (new SndFileSource (s, path, chn, flags));
-               if (setup_peakfile (ret)) {
-                       return boost::shared_ptr<Source>();
-               }
                if (announce) {
                        SourceCreated (ret);
                }
+
                return ret;
+
        }
 
        return boost::shared_ptr<Source>();
 }
 
-#else
-
 boost::shared_ptr<Source>
-SourceFactory::createReadable (Session& s, string path, int chn, AudioFileSource::Flag flags, bool announce)
+SourceFactory::createWritable (DataType type, Session& s, const std::string& path, const std::string& origin,
+                              bool destructive, framecnt_t rate, bool announce, bool defer_peaks)
 {
-       boost::shared_ptr<Source> ret (new SndFileSource (s, path, chn, flags));
+       /* this might throw failed_constructor(), which is OK */
 
-       if (setup_peakfile (ret)) {
-               return boost::shared_ptr<Source>();
-       }
+       if (type == DataType::AUDIO) {
+               Source* src = new SndFileSource (s, path, origin,
+                               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;
+
+       } 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 ());
+
+               src->load_model (true, true);
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+               // boost_debug_shared_ptr_mark_interesting (src, "Source");
+#endif
+
+               // no analysis data - this is a new file
+
+               if (announce) {
+                       SourceCreated (src);
+               }
+               return src;
 
-       if (announce) {
-               SourceCreated (ret);
        }
 
-       return ret;
+       return boost::shared_ptr<Source> ();
 }
 
-#endif // HAVE_COREAUDIO
-
 boost::shared_ptr<Source>
-SourceFactory::createWritable (Session& s, std::string path, bool destructive, nframes_t rate, bool announce)
+SourceFactory::createFromPlaylist (DataType type, Session& s, boost::shared_ptr<Playlist> p, const ID& orig, const std::string& name,
+                                  uint32_t chn, frameoffset_t start, framecnt_t len, bool copy, bool defer_peaks)
 {
-       /* this might throw failed_constructor(), which is OK */
+       if (type == DataType::AUDIO) {
+               try {
 
-       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)));      
+                       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 */
+               }
 
-       if (setup_peakfile (ret)) {
-               return boost::shared_ptr<Source>();
-       }
-       if (announce) {
-               SourceCreated (ret);
        }
-       return ret;
+
+       return boost::shared_ptr<Source>();
 }
+