use new syntax for connecting to backend signals that enforces explicit connection...
[ardour.git] / libs / ardour / auditioner.cc
index e48f103b9fb976b57e7bebd512d0ddaddea41ea0..1e28ebc8b4c88bf2e51ac587cc0e5b7d9ac23d60 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2001 Paul Davis 
+    Copyright (C) 2001 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
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id$
 */
 
 #include <glibmm/thread.h>
 
-#include <ardour/audio_diskstream.h>
-#include <ardour/audioregion.h>
-#include <ardour/route.h>
-#include <ardour/session.h>
-#include <ardour/auditioner.h>
-#include <ardour/audioplaylist.h>
-#include <ardour/panner.h>
-#include <ardour/data_type.h>
+#include "pbd/error.h"
+
+#include "ardour/audio_diskstream.h"
+#include "ardour/audioregion.h"
+#include "ardour/audioengine.h"
+#include "ardour/delivery.h"
+#include "ardour/route.h"
+#include "ardour/session.h"
+#include "ardour/auditioner.h"
+#include "ardour/audioplaylist.h"
+#include "ardour/panner.h"
+#include "ardour/data_type.h"
+#include "ardour/region_factory.h"
 
 using namespace std;
 using namespace ARDOUR;
+using namespace PBD;
+
+#include "i18n.h"
 
 Auditioner::Auditioner (Session& s)
        : AudioTrack (s, "auditioner", Route::Hidden)
 {
-       string left = Config->get_auditioner_output_left();
-       string right = Config->get_auditioner_output_right();
-       
+       string left = _session.config.get_auditioner_output_left();
+       string right = _session.config.get_auditioner_output_right();
+
+       if (left == "default") {
+               left = _session.engine().get_nth_physical_output (DataType::AUDIO, 0);
+       }
+
+       if (right == "default") {
+               right = _session.engine().get_nth_physical_output (DataType::AUDIO, 1);
+       }
+
        if ((left.length() == 0) && (right.length() == 0)) {
+               warning << _("no outputs available for auditioner - manual connection required") << endmsg;
                return;
        }
 
-       defer_pan_reset ();
+       _main_outs->defer_pan_reset ();
 
        if (left.length()) {
-               add_output_port (left, this, DataType::AUDIO);
+               _output->add_port (left, this, DataType::AUDIO);
        }
 
        if (right.length()) {
-               audio_diskstream().add_channel();
-               add_output_port (right, this, DataType::AUDIO);
+               audio_diskstream()->add_channel (1);
+               _output->add_port (right, this, DataType::AUDIO);
        }
 
-       allow_pan_reset ();
-       
-       IO::output_changed.connect (mem_fun (*this, &Auditioner::output_changed));
+       _main_outs->allow_pan_reset ();
+       _main_outs->reset_panner ();
+
+       _output->changed.connect (*this, boost::bind (&Auditioner::output_changed, this, _1, _2));
 
-       the_region = 0;
+       the_region.reset ((AudioRegion*) 0);
        g_atomic_int_set (&_active, 0);
 }
 
@@ -69,10 +86,10 @@ AudioPlaylist&
 Auditioner::prepare_playlist ()
 {
        // FIXME auditioner is still audio-only
-       AudioPlaylist* const apl = dynamic_cast<AudioPlaylist*>(_diskstream->playlist());
+       boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(_diskstream->playlist());
        assert(apl);
 
-       apl->clear (false, false);
+       apl->clear ();
        return *apl;
 }
 
@@ -93,13 +110,13 @@ Auditioner::audition_current_playlist ()
 
        /* force a panner reset now that we have all channels */
 
-       _panner->reset (n_outputs(), _diskstream->n_channels());
+       _main_outs->panner()->reset (n_outputs().n_audio(), _diskstream->n_channels().n_audio());
 
        g_atomic_int_set (&_active, 1);
 }
 
 void
-Auditioner::audition_region (AudioRegion& region)
+Auditioner::audition_region (boost::shared_ptr<Region> region)
 {
        if (g_atomic_int_get (&_active)) {
                /* don't go via session for this, because we are going
@@ -108,41 +125,57 @@ Auditioner::audition_region (AudioRegion& region)
                cancel_audition ();
        }
 
+       if (boost::dynamic_pointer_cast<AudioRegion>(region) == 0) {
+               error << _("Auditioning of non-audio regions not yet supported") << endmsg;
+               return;
+       }
+
        Glib::Mutex::Lock lm (lock);
 
-       the_region = new AudioRegion (region);
-       the_region->set_position (0, this);
+       /* copy it */
 
-       _diskstream->playlist()->clear (true, false);
-       _diskstream->playlist()->add_region (*the_region, 0, 1, false);
+       boost::shared_ptr<AudioRegion> the_region (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
+       the_region->set_position (0, this);
 
-       while (_diskstream->n_channels() < the_region->n_channels()) {
-               audio_diskstream().add_channel ();
-       }
+       _diskstream->playlist()->drop_regions ();
+       _diskstream->playlist()->add_region (the_region, 0, 1);
 
-       while (_diskstream->n_channels() > the_region->n_channels()) {
-               audio_diskstream().remove_channel ();
+       if (_diskstream->n_channels().n_audio() < the_region->n_channels()) {
+               audio_diskstream()->add_channel (the_region->n_channels() - _diskstream->n_channels().n_audio());
+       } else if (_diskstream->n_channels().n_audio() > the_region->n_channels()) {
+               audio_diskstream()->remove_channel (_diskstream->n_channels().n_audio() - the_region->n_channels());
        }
 
        /* force a panner reset now that we have all channels */
 
-       _panner->reset (n_outputs(), _diskstream->n_channels());
+       _main_outs->reset_panner();
 
        length = the_region->length();
-       _diskstream->seek (0);
-       current_frame = 0;
+
+       int dir;
+       nframes_t offset = the_region->sync_offset (dir);
+
+       /* can't audition from a negative sync point */
+
+       if (dir < 0) {
+               offset = 0;
+       }
+
+       _diskstream->seek (offset);
+       current_frame = offset;
+
        g_atomic_int_set (&_active, 1);
 }
 
 int
-Auditioner::play_audition (jack_nframes_t nframes)
+Auditioner::play_audition (nframes_t nframes)
 {
        bool need_butler;
-       jack_nframes_t this_nframes;
+       nframes_t this_nframes;
        int ret;
 
        if (g_atomic_int_get (&_active) == 0) {
-               silence (nframes, 0);
+               silence (nframes);
                return 0;
        }
 
@@ -150,8 +183,8 @@ Auditioner::play_audition (jack_nframes_t nframes)
 
        _diskstream->prepare ();
 
-       if ((ret = roll (this_nframes, current_frame, current_frame + nframes, 0, false, false, false)) != 0) {
-               silence (nframes, 0);
+       if ((ret = roll (this_nframes, current_frame, current_frame + nframes, false, false, false)) != 0) {
+               silence (nframes);
                return ret;
        }
 
@@ -167,20 +200,34 @@ Auditioner::play_audition (jack_nframes_t nframes)
 }
 
 void
-Auditioner::output_changed (IOChange change, void* src)
+Auditioner::output_changed (IOChange change, void* /*src*/)
 {
+       string phys;
+
        if (change & ConnectionsChanged) {
-               const char ** connections;
-               connections =  output (0)->get_connections ();
-               if (connections) {
-                       Config->set_auditioner_output_left (connections[0]);
-                       free (connections);
+               vector<string> connections;
+               if (_output->nth (0)->get_connections (connections)) {
+                       phys = _session.engine().get_nth_physical_output (DataType::AUDIO, 0);
+                       if (phys != connections[0]) {
+                               _session.config.set_auditioner_output_left (connections[0]);
+                       } else {
+                               _session.config.set_auditioner_output_left ("default");
+                       }
+               } else {
+                       _session.config.set_auditioner_output_left ("");
                }
-               
-               connections = output (1)->get_connections ();
-               if (connections) {
-                       Config->set_auditioner_output_right (connections[0]);
-                       free (connections);
+
+               connections.clear ();
+
+               if (_output->nth (1)->get_connections (connections)) {
+                       phys = _session.engine().get_nth_physical_output (DataType::AUDIO, 1);
+                       if (phys != connections[0]) {
+                               _session.config.set_auditioner_output_right (connections[0]);
+                       } else {
+                               _session.config.set_auditioner_output_right ("default");
+                       }
+               } else {
+                       _session.config.set_auditioner_output_right ("");
                }
        }
 }