allow to customize variable i/o plugin inputs
[ardour.git] / libs / ardour / source_factory.cc
index 891e43154978e5aab1589625b8a078f8d348033c..76975354cbc9dded29d0de2df11f9f70158c4f5e 100644 (file)
 
 #include "ardour/audioplaylist.h"
 #include "ardour/audio_playlist_source.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/rc_configuration.h"
 #include "ardour/smf_source.h"
 #include "ardour/session.h"
 
 #ifdef  HAVE_COREAUDIO
-#define USE_COREAUDIO_FOR_FILES
-#endif
-
-#ifdef USE_COREAUDIO_FOR_FILES
 #include "ardour/coreaudiosource.h"
 #endif
 
@@ -53,10 +51,12 @@ using namespace std;
 using namespace PBD;
 
 PBD::Signal1<void,boost::shared_ptr<Source> > SourceFactory::SourceCreated;
-Glib::Cond* SourceFactory::PeaksToBuild;
-Glib::StaticMutex SourceFactory::peak_building_lock = GLIBMM_STATIC_MUTEX_INIT;
+Glib::Threads::Cond SourceFactory::PeaksToBuild;
+Glib::Threads::Mutex SourceFactory::peak_building_lock;
 std::list<boost::weak_ptr<AudioSource> > SourceFactory::files_with_peaks;
 
+static int active_threads = 0;
+
 static void
 peak_thread_work ()
 {
@@ -68,7 +68,7 @@ peak_thread_work ()
 
          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()) {
@@ -77,6 +77,7 @@ peak_thread_work ()
 
                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) {
@@ -84,16 +85,25 @@ peak_thread_work ()
                }
 
                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));
        }
 }
 
@@ -104,11 +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 {
 
@@ -147,47 +158,71 @@ SourceFactory::create (Session& s, const XMLNode& node, bool defer_peaks)
 
        if (type == DataType::AUDIO) {
 
-               try {
-                       Source* src = new SndFileSource (s, node);
+               /* 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 {
+
+
+                       try {
+                               Source* src = new SndFileSource (s, node);
 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
-                       // boost_debug_shared_ptr_mark_interesting (src, "Source");
+                               // 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>();
+                               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;
                        }
-                       ret->check_for_analysis_data_on_disk ();
-                       SourceCreated (ret);
-                       return ret;
-               }
 
-               catch (failed_constructor& err) {
+                       catch (failed_constructor& err) {
 
-#ifdef USE_COREAUDIO_FOR_FILES
+#ifdef HAVE_COREAUDIO
 
-                       /* this is allowed to throw */
+                               /* this is allowed to throw */
 
-                       Source *src = new CoreAudioSource (s, node);
+                               Source *src = new CoreAudioSource (s, node);
 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
-                       // boost_debug_shared_ptr_mark_interesting (src, "Source");
+                               // boost_debug_shared_ptr_mark_interesting (src, "Source");
 #endif
-                       boost::shared_ptr<Source> ret (src);
+                               boost::shared_ptr<Source> ret (src);
 
-                       if (setup_peakfile (ret, defer_peaks)) {
-                               return boost::shared_ptr<Source>();
-                       }
+                               if (setup_peakfile (ret, defer_peaks)) {
+                                       return boost::shared_ptr<Source>();
+                               }
 
-                       ret->check_for_analysis_data_on_disk ();
-                       SourceCreated (ret);
-                       return ret;
+                               ret->check_for_analysis_data_on_disk ();
+                               SourceCreated (ret);
+                               return ret;
 #else
-                       throw; // rethrow
+                               throw; // rethrow
 #endif
+                       }
                }
-
        } else if (type == DataType::MIDI) {
                boost::shared_ptr<SMFSource> src (new SMFSource (s, node));
-               src->load_model (true, true);
+               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
@@ -200,7 +235,7 @@ SourceFactory::create (Session& s, const XMLNode& node, bool defer_peaks)
 }
 
 boost::shared_ptr<Source>
-SourceFactory::createReadable (DataType type, Session& s, const string& path,
+SourceFactory::createExternal (DataType type, Session& s, const string& path,
                               int chn, Source::Flag flags, bool announce, bool defer_peaks)
 {
        if (type == DataType::AUDIO) {
@@ -214,7 +249,7 @@ SourceFactory::createReadable (DataType type, Session& s, const string& path,
                                // 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>();
                                }
@@ -227,7 +262,7 @@ SourceFactory::createReadable (DataType type, Session& s, const string& path,
                        }
 
                        catch (failed_constructor& err) {
-#ifdef USE_COREAUDIO_FOR_FILES
+#ifdef HAVE_COREAUDIO
 
                                Source* src = new CoreAudioSource (s, path, chn, flags);
 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
@@ -253,19 +288,19 @@ SourceFactory::createReadable (DataType type, Session& s, const string& path,
                }
 
        } else if (type == DataType::MIDI) {
-               
-               SMFSource* src = new SMFSource (s, path, SMFSource::Flag(0));
-               src->load_model (true, true);
+
+               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
-               boost::shared_ptr<Source> ret (src);
 
                if (announce) {
-                       SourceCreated (ret);
+                       SourceCreated (src);
                }
 
-               return ret;
+               return src;
 
        }
 
@@ -273,19 +308,19 @@ SourceFactory::createReadable (DataType type, Session& s, const string& path,
 }
 
 boost::shared_ptr<Source>
-SourceFactory::createWritable (DataType type, Session& s, const std::string& path, const std::string& origin,
+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, 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));
+               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
@@ -306,8 +341,9 @@ SourceFactory::createWritable (DataType type, Session& s, const std::string& pat
                 // 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);
+
+               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
@@ -325,9 +361,41 @@ SourceFactory::createWritable (DataType type, Session& s, const std::string& pat
 }
 
 boost::shared_ptr<Source>
-SourceFactory::createFromPlaylist (DataType type, Session& s, boost::shared_ptr<Playlist> p, const std::string& name,
-                                  uint32_t chn, frameoffset_t start, framecnt_t len, bool copy, Source::Flag flags, 
-                                  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) {
+               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>();
+               }
+
+               // 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;
+       }
+
+       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 {
@@ -335,19 +403,21 @@ SourceFactory::createFromPlaylist (DataType type, Session& s, boost::shared_ptr<
                        boost::shared_ptr<AudioPlaylist> ap = boost::dynamic_pointer_cast<AudioPlaylist>(p);
 
                        if (ap) {
-                               Source* src = new AudioPlaylistSource (s, name, ap, chn, start, len, copy, flags);
+
+                               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 ();
-                               
-                               if (announce) {
-                                       SourceCreated (ret);
-                               }
-                               
+                               SourceCreated (ret);
                                return ret;
                        }
                }
@@ -358,6 +428,29 @@ SourceFactory::createFromPlaylist (DataType type, Session& s, boost::shared_ptr<
 
        } 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 boost::shared_ptr<Source>();