use shared_ptr<> for all region handling
[ardour.git] / libs / ardour / audio_track.cc
index 29496584f6d534bd1d10e69898309ec9774db83e..60400a046ca2b1fe0d89c65c703009db495caab6 100644 (file)
@@ -28,6 +28,7 @@
 #include <ardour/redirect.h>
 #include <ardour/audioregion.h>
 #include <ardour/audiosource.h>
+#include <ardour/region_factory.h>
 #include <ardour/route_group_specialized.h>
 #include <ardour/insert.h>
 #include <ardour/audioplaylist.h>
@@ -41,9 +42,7 @@ using namespace ARDOUR;
 using namespace PBD;
 
 AudioTrack::AudioTrack (Session& sess, string name, Route::Flag flag, TrackMode mode)
-       : Route (sess, name, 1, -1, -1, -1, flag),
-         diskstream (0),
-         _rec_enable_control (*this)
+       : Track (sess, name, flag, mode)
 {
        AudioDiskstream::Flag dflags = AudioDiskstream::Flag (0);
 
@@ -57,37 +56,27 @@ AudioTrack::AudioTrack (Session& sess, string name, Route::Flag flag, TrackMode
                dflags = AudioDiskstream::Flag (dflags | AudioDiskstream::Destructive);
        }
 
-       AudioDiskstream* ds = new AudioDiskstream (_session, name, dflags);
-       
-       _declickable = true;
-       _freeze_record.state = NoFreeze;
-       _saved_meter_point = _meter_point;
-       _mode = mode;
+       boost::shared_ptr<AudioDiskstream> ds (new AudioDiskstream (_session, name, dflags));
+       _session.add_diskstream (ds);
 
-       set_diskstream (*ds, this);
+       set_diskstream (boost::dynamic_pointer_cast<AudioDiskstream> (ds), this);
 }
 
 AudioTrack::AudioTrack (Session& sess, const XMLNode& node)
-       : Route (sess, "to be renamed", 0, 0, -1, -1),
-         diskstream (0),
-         _rec_enable_control (*this)
+       : Track (sess, node)
 {
-       _freeze_record.state = NoFreeze;
        set_state (node);
-       _declickable = true;
-       _saved_meter_point = _meter_point;
 }
 
 AudioTrack::~AudioTrack ()
 {
-       if (diskstream) {
-               diskstream->unref();
-       }
 }
 
 int
 AudioTrack::deprecated_use_diskstream_connections ()
 {
+       boost::shared_ptr<AudioDiskstream> diskstream = audio_diskstream();
+
        if (diskstream->deprecated_io_node == 0) {
                return 0;
        }
@@ -138,17 +127,13 @@ AudioTrack::deprecated_use_diskstream_connections ()
 }
 
 int
-AudioTrack::set_diskstream (AudioDiskstream& ds, void *src)
+AudioTrack::set_diskstream (boost::shared_ptr<AudioDiskstream> ds, void *src)
 {
-       if (diskstream) {
-               diskstream->unref();
-       }
-
-       diskstream = &ds.ref();
-       diskstream->set_io (*this);
-       diskstream->set_destructive (_mode == Destructive);
+       _diskstream = ds;
+       _diskstream->set_io (*this);
+       _diskstream->set_destructive (_mode == Destructive);
 
-       if (diskstream->deprecated_io_node) {
+       if (audio_diskstream()->deprecated_io_node) {
 
                if (!connecting_legal) {
                        ConnectingLegal.connect (mem_fun (*this, &AudioTrack::deprecated_use_diskstream_connections));
@@ -157,13 +142,13 @@ AudioTrack::set_diskstream (AudioDiskstream& ds, void *src)
                }
        }
 
-       diskstream->set_record_enabled (false, this);
-       diskstream->monitor_input (false);
+       _diskstream->set_record_enabled (false);
+       _diskstream->monitor_input (false);
 
        ic_connection.disconnect();
-       ic_connection = input_changed.connect (mem_fun (*diskstream, &AudioDiskstream::handle_input_change));
+       ic_connection = input_changed.connect (mem_fun (*_diskstream, &Diskstream::handle_input_change));
 
-       diskstream_changed (src); /* EMIT SIGNAL */
+       DiskstreamChanged (); /* EMIT SIGNAL */
 
        return 0;
 }      
@@ -171,68 +156,33 @@ AudioTrack::set_diskstream (AudioDiskstream& ds, void *src)
 int 
 AudioTrack::use_diskstream (string name)
 {
-       AudioDiskstream *dstream;
+       boost::shared_ptr<AudioDiskstream> dstream;
 
-       if ((dstream = _session.diskstream_by_name (name)) == 0) {
-         error << string_compose(_("AudioTrack: diskstream \"%1\" not known by session"), name) << endmsg;
+       if ((dstream = boost::dynamic_pointer_cast<AudioDiskstream>(_session.diskstream_by_name (name))) == 0) {
+               error << string_compose(_("AudioTrack: audio diskstream \"%1\" not known by session"), name) << endmsg;
                return -1;
        }
        
-       return set_diskstream (*dstream, this);
+       return set_diskstream (dstream, this);
 }
 
 int 
 AudioTrack::use_diskstream (const PBD::ID& id)
 {
-       AudioDiskstream *dstream;
+       boost::shared_ptr<AudioDiskstream> dstream;
 
-       if ((dstream = _session.diskstream_by_id (id)) == 0) {
-               error << string_compose(_("AudioTrack: diskstream \"%1\" not known by session"), id) << endmsg;
+       if ((dstream = boost::dynamic_pointer_cast<AudioDiskstream> (_session.diskstream_by_id (id))) == 0) {
+               error << string_compose(_("AudioTrack: audio diskstream \"%1\" not known by session"), id) << endmsg;
                return -1;
        }
        
-       return set_diskstream (*dstream, this);
+       return set_diskstream (dstream, this);
 }
 
-bool
-AudioTrack::record_enabled () const
+boost::shared_ptr<AudioDiskstream>
+AudioTrack::audio_diskstream() const
 {
-       return diskstream->record_enabled ();
-}
-
-void
-AudioTrack::set_record_enable (bool yn, void *src)
-{
-       if (_freeze_record.state == Frozen) {
-               return;
-       }
-
-       if (_mix_group && src != _mix_group && _mix_group->is_active()) {
-               _mix_group->apply (&AudioTrack::set_record_enable, yn, _mix_group);
-               return;
-       }
-
-       /* keep track of the meter point as it was before we rec-enabled */
-
-       if (!diskstream->record_enabled()) {
-               _saved_meter_point = _meter_point;
-       }
-       
-       diskstream->set_record_enabled (yn, src);
-
-       if (diskstream->record_enabled()) {
-               set_meter_point (MeterInput, this);
-       } else {
-               set_meter_point (_saved_meter_point, this);
-       }
-
-       _rec_enable_control.Changed ();
-}
-
-void
-AudioTrack::set_meter_point (MeterPoint p, void *src)
-{
-       Route::set_meter_point (p, src);
+       return boost::dynamic_pointer_cast<AudioDiskstream>(_diskstream);
 }
 
 int
@@ -306,18 +256,6 @@ AudioTrack::set_state (const XMLNode& node)
        return 0;
 }
 
-XMLNode&
-AudioTrack::get_template ()
-{
-       return state (false);
-}
-
-XMLNode&
-AudioTrack::get_state ()
-{
-       return state (true);
-}
-
 XMLNode& 
 AudioTrack::state(bool full_state)
 {
@@ -348,7 +286,7 @@ AudioTrack::state(bool full_state)
        /* Alignment: act as a proxy for the diskstream */
        
        XMLNode* align_node = new XMLNode (X_("alignment"));
-       switch (diskstream->alignment_style()) {
+       switch (_diskstream->alignment_style()) {
        case ExistingMaterial:
                snprintf (buf, sizeof (buf), X_("existing"));
                break;
@@ -379,7 +317,7 @@ AudioTrack::state(bool full_state)
           diskstream.
        */
 
-       diskstream->id().print (buf);
+       _diskstream->id().print (buf);
        root.add_property ("diskstream-id", buf);
 
        return root;
@@ -438,8 +376,8 @@ AudioTrack::set_state_part_two ()
                                continue;
                        }
                        
-                       FreezeRecordInsertInfo* frii = new FreezeRecordInsertInfo (*((*citer)->children().front()));
-                       frii->insert = 0;
+                       FreezeRecordInsertInfo* frii = new FreezeRecordInsertInfo (*((*citer)->children().front()),
+                                                                                  boost::shared_ptr<Insert>());
                        frii->id = prop->value ();
                        _freeze_record.insert_info.push_back (frii);
                }
@@ -451,9 +389,9 @@ AudioTrack::set_state_part_two ()
 
                if ((prop = fnode->property (X_("style"))) != 0) {
                        if (prop->value() == "existing") {
-                               diskstream->set_persistent_align_style (ExistingMaterial);
+                               _diskstream->set_persistent_align_style (ExistingMaterial);
                        } else if (prop->value() == "capture") {
-                               diskstream->set_persistent_align_style (CaptureTime);
+                               _diskstream->set_persistent_align_style (CaptureTime);
                        }
                }
        }
@@ -463,7 +401,7 @@ AudioTrack::set_state_part_two ()
 uint32_t
 AudioTrack::n_process_buffers ()
 {
-       return max ((uint32_t) diskstream->n_channels(), redirect_max_outs);
+       return max ((uint32_t) _diskstream->n_channels(), redirect_max_outs);
 }
 
 void
@@ -494,7 +432,7 @@ AudioTrack::no_roll (jack_nframes_t nframes, jack_nframes_t start_frame, jack_nf
                return 0;
        }
 
-       diskstream->check_record_status (start_frame, nframes, can_record);
+       audio_diskstream()->check_record_status (start_frame, nframes, can_record);
 
        bool send_silence;
        
@@ -513,7 +451,7 @@ AudioTrack::no_roll (jack_nframes_t nframes, jack_nframes_t start_frame, jack_nf
                                send_silence = true;
                        }
                } else {
-                       if (diskstream->record_enabled()) {
+                       if (_diskstream->record_enabled()) {
                                if (Config->get_use_sw_monitoring()) {
                                        send_silence = false;
                                } else {
@@ -561,7 +499,8 @@ AudioTrack::roll (jack_nframes_t nframes, jack_nframes_t start_frame, jack_nfram
        Sample* b;
        Sample* tmpb;
        jack_nframes_t transport_frame;
-
+       boost::shared_ptr<AudioDiskstream> diskstream = audio_diskstream();
+       
        {
                Glib::RWLock::ReaderLock lm (redirect_lock, Glib::TRY_LOCK);
                if (lm.locked()) {
@@ -682,41 +621,11 @@ AudioTrack::silent_roll (jack_nframes_t nframes, jack_nframes_t start_frame, jac
 
        silence (nframes, offset);
 
-       return diskstream->process (_session.transport_frame() + offset, nframes, offset, can_record, rec_monitors_input);
-}
-
-void
-AudioTrack::toggle_monitor_input ()
-{
-       for (vector<Port*>::iterator i = _inputs.begin(); i != _inputs.end(); ++i) {
-               (*i)->request_monitor_input(!(*i)->monitoring_input());
-       }
-}
-
-int
-AudioTrack::set_name (string str, void *src)
-{
-       int ret;
-
-       if (record_enabled() && _session.actively_recording()) {
-               /* this messes things up if done while recording */
-               return -1;
-       }
-
-       if (diskstream->set_name (str, src)) {
-               return -1;
-       }
-
-       /* save state so that the statefile fully reflects any filename changes */
-
-       if ((ret = IO::set_name (str, src)) == 0) {
-               _session.save_state ("");
-       }
-       return ret;
+       return audio_diskstream()->process (_session.transport_frame() + offset, nframes, offset, can_record, rec_monitors_input);
 }
 
 int
-AudioTrack::export_stuff (vector<Sample*>& buffers, char * workbuf, uint32_t nbufs, jack_nframes_t start, jack_nframes_t nframes)
+AudioTrack::export_stuff (vector<Sample*>& buffers, uint32_t nbufs, jack_nframes_t start, jack_nframes_t nframes)
 {
        gain_t  gain_automation[nframes];
        gain_t  gain_buffer[nframes];
@@ -726,10 +635,15 @@ AudioTrack::export_stuff (vector<Sample*>& buffers, char * workbuf, uint32_t nbu
        gain_t this_gain = _gain;
        vector<Sample*>::iterator bi;
        Sample * b;
+       boost::shared_ptr<AudioDiskstream> diskstream = audio_diskstream();
        
        Glib::RWLock::ReaderLock rlock (redirect_lock);
-               
-       if (diskstream->playlist()->read (buffers[0], mix_buffer, gain_buffer, workbuf, start, nframes) != nframes) {
+
+       // FIXME
+       AudioPlaylist* const apl = dynamic_cast<AudioPlaylist*>(diskstream->playlist());
+       assert(apl);
+
+       if (apl->read (buffers[0], mix_buffer, gain_buffer, start, nframes) != nframes) {
                return -1;
        }
 
@@ -739,7 +653,7 @@ AudioTrack::export_stuff (vector<Sample*>& buffers, char * workbuf, uint32_t nbu
        ++bi;
        for (; bi != buffers.end(); ++bi, ++n) {
                if (n < diskstream->n_channels()) {
-                       if (diskstream->playlist()->read ((*bi), mix_buffer, gain_buffer, workbuf, start, nframes, n) != nframes) {
+                       if (apl->read ((*bi), mix_buffer, gain_buffer, start, nframes, n) != nframes) {
                                return -1;
                        }
                        b = (*bi);
@@ -756,9 +670,9 @@ AudioTrack::export_stuff (vector<Sample*>& buffers, char * workbuf, uint32_t nbu
        */
        
        for (i = _redirects.begin(); i != _redirects.end(); ++i) {
-               Insert *insert;
+               boost::shared_ptr<Insert> insert;
                
-               if ((insert = dynamic_cast<Insert*>(*i)) != 0) {
+               if ((insert = boost::dynamic_pointer_cast<Insert>(*i)) != 0) {
                        switch (insert->placement()) {
                        case PreFader:
                                insert->run (buffers, nbufs, nframes, 0);
@@ -794,9 +708,9 @@ AudioTrack::export_stuff (vector<Sample*>& buffers, char * workbuf, uint32_t nbu
        if (post_fader_work) {
 
                for (i = _redirects.begin(); i != _redirects.end(); ++i) {
-                       PluginInsert *insert;
+                       boost::shared_ptr<PluginInsert> insert;
                        
-                       if ((insert = dynamic_cast<PluginInsert*>(*i)) != 0) {
+                       if ((insert = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
                                switch ((*i)->placement()) {
                                case PreFader:
                                        break;
@@ -811,29 +725,6 @@ AudioTrack::export_stuff (vector<Sample*>& buffers, char * workbuf, uint32_t nbu
        return 0;
 }
 
-void
-AudioTrack::set_latency_delay (jack_nframes_t longest_session_latency)
-{
-       Route::set_latency_delay (longest_session_latency);
-       diskstream->set_roll_delay (_roll_delay);
-}
-
-jack_nframes_t
-AudioTrack::update_total_latency ()
-{
-       _own_latency = 0;
-
-       for (RedirectList::iterator i = _redirects.begin(); i != _redirects.end(); ++i) {
-               if ((*i)->active ()) {
-                       _own_latency += (*i)->latency ();
-               }
-       }
-
-       set_port_latency (_own_latency);
-
-       return _own_latency;
-}
-
 void
 AudioTrack::bounce (InterThreadInfo& itt)
 {
@@ -852,15 +743,14 @@ AudioTrack::bounce_range (jack_nframes_t start, jack_nframes_t end, InterThreadI
 void
 AudioTrack::freeze (InterThreadInfo& itt)
 {
-       Insert* insert;
        vector<AudioSource*> srcs;
        string new_playlist_name;
        Playlist* new_playlist;
        string dir;
-       AudioRegion* region;
        string region_name;
+       boost::shared_ptr<AudioDiskstream> diskstream = audio_diskstream();
        
-       if ((_freeze_record.playlist = diskstream->playlist()) == 0) {
+       if ((_freeze_record.playlist = dynamic_cast<AudioPlaylist*>(diskstream->playlist())) == 0) {
                return;
        }
 
@@ -882,7 +772,7 @@ AudioTrack::freeze (InterThreadInfo& itt)
        } 
 
        if (n == (UINT_MAX-1)) {
-         error << string_compose (X_("There Are too many frozen versions of playlist \"%1\""
+         error << string_compose (X_("There are too many frozen versions of playlist \"%1\""
                            " to create another one"), _freeze_record.playlist->name())
               << endmsg;
                return;
@@ -900,11 +790,12 @@ AudioTrack::freeze (InterThreadInfo& itt)
                
                for (RedirectList::iterator r = _redirects.begin(); r != _redirects.end(); ++r) {
                        
-                       if ((insert = dynamic_cast<Insert*>(*r)) != 0) {
+                       boost::shared_ptr<Insert> insert;
+
+                       if ((insert = boost::dynamic_pointer_cast<Insert>(*r)) != 0) {
                                
-                               FreezeRecordInsertInfo* frii  = new FreezeRecordInsertInfo ((*r)->get_state());
+                               FreezeRecordInsertInfo* frii  = new FreezeRecordInsertInfo ((*r)->get_state(), insert);
                                
-                               frii->insert = insert;
                                frii->id = insert->id();
                                frii->memento = (*r)->get_memento();
                                
@@ -922,18 +813,18 @@ AudioTrack::freeze (InterThreadInfo& itt)
 
        /* create a new region from all filesources, keep it private */
 
-       region = new AudioRegion (srcs, 0, srcs[0]->length(), 
-                                 region_name, 0, 
-                                 (AudioRegion::Flag) (AudioRegion::WholeFile|AudioRegion::DefaultFlags),
-                                 false);
+       boost::shared_ptr<Region> region (RegionFactory::create (srcs, 0, srcs[0]->length(), 
+                                                                region_name, 0, 
+                                                                (AudioRegion::Flag) (AudioRegion::WholeFile|AudioRegion::DefaultFlags),
+                                                                false));
 
        new_playlist->set_orig_diskstream_id (diskstream->id());
-       new_playlist->add_region (*region, 0);
+       new_playlist->add_region (region, 0);
        new_playlist->set_frozen (true);
        region->set_locked (true);
 
        diskstream->use_playlist (dynamic_cast<AudioPlaylist*>(new_playlist));
-       diskstream->set_record_enabled (false, this);
+       diskstream->set_record_enabled (false);
 
        _freeze_record.state = Frozen;
        FreezeChange(); /* EMIT SIGNAL */
@@ -943,7 +834,7 @@ void
 AudioTrack::unfreeze ()
 {
        if (_freeze_record.playlist) {
-               diskstream->use_playlist (_freeze_record.playlist);
+               audio_diskstream()->use_playlist (_freeze_record.playlist);
 
                if (_freeze_record.have_mementos) {
 
@@ -971,46 +862,3 @@ AudioTrack::unfreeze ()
        FreezeChange (); /* EMIT SIGNAL */
 }
 
-AudioTrack::FreezeRecord::~FreezeRecord ()
-{
-       for (vector<FreezeRecordInsertInfo*>::iterator i = insert_info.begin(); i != insert_info.end(); ++i) {
-               delete *i;
-       }
-}
-
-AudioTrack::FreezeState
-AudioTrack::freeze_state() const
-{
-       return _freeze_record.state;
-}
-
-AudioTrack::RecEnableControllable::RecEnableControllable (AudioTrack& s)
-       : track (s)
-{
-}
-
-void
-AudioTrack::RecEnableControllable::set_value (float val)
-{
-       bool bval = ((val >= 0.5f) ? true: false);
-       track.set_record_enable (bval, this);
-}
-
-float
-AudioTrack::RecEnableControllable::get_value (void) const
-{
-       if (track.record_enabled()) { return 1.0f; }
-       return 0.0f;
-}
-
-void
-AudioTrack::set_mode (TrackMode m)
-{
-       if (diskstream) {
-               if (_mode != m) {
-                       _mode = m;
-                       diskstream->set_destructive (m == Destructive);
-                       ModeChanged();
-               }
-       }
-}