move auditioner output configuration params from session to global config vars
[ardour.git] / libs / ardour / auditioner.cc
index c88eeedf1a32dde77b655693c690385f2f140a6f..7c1a2e1e2b81be51be613b1c2804c9759ec82213 100644 (file)
@@ -17,7 +17,7 @@
 
 */
 
-#include <glibmm/thread.h>
+#include <glibmm/threads.h>
 
 #include "pbd/error.h"
 
@@ -29,7 +29,7 @@
 #include "ardour/session.h"
 #include "ardour/auditioner.h"
 #include "ardour/audioplaylist.h"
-#include "ardour/panner.h"
+#include "ardour/audio_port.h"
 #include "ardour/data_type.h"
 #include "ardour/region_factory.h"
 
@@ -41,41 +41,69 @@ using namespace PBD;
 
 Auditioner::Auditioner (Session& s)
        : AudioTrack (s, "auditioner", Route::Hidden)
+        , current_frame (0)
+        , _auditioning (0)
+        , length (0)
+        , via_monitor (false)
 {
-       string left = _session.config.get_auditioner_output_left();
-       string right = _session.config.get_auditioner_output_right();
+}
+
+int
+Auditioner::init ()
+{
+        if (Track::init ()) {
+                return -1;
+        }
+
+       string left = Config->get_auditioner_output_left();
+       string right = Config->get_auditioner_output_right();
+
+       vector<string> outputs;
+       _session.engine().get_physical_outputs (DataType::AUDIO, outputs);
 
        if (left == "default") {
-               left = _session.engine().get_nth_physical_output (DataType::AUDIO, 0);
+                if (_session.monitor_out()) {
+                        left = _session.monitor_out()->input()->audio (0)->name();
+                        via_monitor = true;
+                } else {
+                       if (outputs.size() > 0) {
+                               left = outputs[0];
+                       }
+                }
        }
 
        if (right == "default") {
-               right = _session.engine().get_nth_physical_output (DataType::AUDIO, 1);
+                if (_session.monitor_out()) {
+                        right = _session.monitor_out()->input()->audio (1)->name();
+                        via_monitor = true;
+                } else {
+                       if (outputs.size() > 1) {
+                               right = outputs[1];
+                       }
+                }
        }
 
-       if ((left.length() == 0) && (right.length() == 0)) {
+       if (left.empty() && right.empty()) {
                warning << _("no outputs available for auditioner - manual connection required") << endmsg;
-               return;
-       }
-
-       _main_outs->defer_pan_reset ();
-
-       if (left.length()) {
-               _output->add_port (left, this, DataType::AUDIO);
-       }
+       } else {
 
-       if (right.length()) {
-               audio_diskstream()->add_channel (1);
-               _output->add_port (right, this, DataType::AUDIO);
+               _main_outs->defer_pan_reset ();
+               
+               if (left.length()) {
+                       _output->add_port (left, this, DataType::AUDIO);
+               }
+               
+               if (right.length()) {
+                       _output->add_port (right, this, DataType::AUDIO);
+               }
+               
+               _main_outs->allow_pan_reset ();
+               _main_outs->reset_panner ();
        }
 
-       _main_outs->allow_pan_reset ();
-       _main_outs->reset_panner ();
-
        _output->changed.connect_same_thread (*this, boost::bind (&Auditioner::output_changed, this, _1, _2));
 
-       the_region.reset ((AudioRegion*) 0);
-       g_atomic_int_set (&_active, 0);
+        return 0;
 }
 
 Auditioner::~Auditioner ()
@@ -93,32 +121,10 @@ Auditioner::prepare_playlist ()
        return *apl;
 }
 
-void
-Auditioner::audition_current_playlist ()
-{
-       if (g_atomic_int_get (&_active)) {
-               /* don't go via session for this, because we are going
-                  to remain active.
-               */
-               cancel_audition ();
-       }
-
-       Glib::Mutex::Lock lm (lock);
-       _diskstream->seek (0);
-       length = _diskstream->playlist()->get_maximum_extent();
-       current_frame = 0;
-
-       /* force a panner reset now that we have all channels */
-
-       _main_outs->panner()->reset (n_outputs().n_audio(), _diskstream->n_channels().n_audio());
-
-       g_atomic_int_set (&_active, 1);
-}
-
 void
 Auditioner::audition_region (boost::shared_ptr<Region> region)
 {
-       if (g_atomic_int_get (&_active)) {
+       if (g_atomic_int_get (&_auditioning)) {
                /* don't go via session for this, because we are going
                   to remain active.
                */
@@ -130,12 +136,12 @@ Auditioner::audition_region (boost::shared_ptr<Region> region)
                return;
        }
 
-       Glib::Mutex::Lock lm (lock);
+       Glib::Threads::Mutex::Lock lm (lock);
 
        /* copy it */
 
        boost::shared_ptr<AudioRegion> the_region (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
-       the_region->set_position (0, this);
+       the_region->set_position (0);
 
        _diskstream->playlist()->drop_regions ();
        _diskstream->playlist()->add_region (the_region, 0, 1);
@@ -146,6 +152,17 @@ Auditioner::audition_region (boost::shared_ptr<Region> region)
                audio_diskstream()->remove_channel (_diskstream->n_channels().n_audio() - the_region->n_channels());
        }
 
+        ProcessorStreams ps;
+       {
+               Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
+
+               if (configure_processors (&ps)) {
+                       error << string_compose (_("Cannot setup auditioner processing flow for %1 channels"),
+                                                _diskstream->n_channels()) << endmsg;
+                       return;
+               }
+       }
+
        /* force a panner reset now that we have all channels */
 
        _main_outs->reset_panner();
@@ -153,7 +170,7 @@ Auditioner::audition_region (boost::shared_ptr<Region> region)
        length = the_region->length();
 
        int dir;
-       nframes_t offset = the_region->sync_offset (dir);
+       framecnt_t offset = the_region->sync_offset (dir);
 
        /* can't audition from a negative sync point */
 
@@ -164,31 +181,28 @@ Auditioner::audition_region (boost::shared_ptr<Region> region)
        _diskstream->seek (offset);
        current_frame = offset;
 
-       g_atomic_int_set (&_active, 1);
+       g_atomic_int_set (&_auditioning, 1);
 }
 
 int
-Auditioner::play_audition (nframes_t nframes)
+Auditioner::play_audition (framecnt_t nframes)
 {
-       bool need_butler;
-       nframes_t this_nframes;
+       bool need_butler = false;
+       framecnt_t this_nframes;
        int ret;
 
-       if (g_atomic_int_get (&_active) == 0) {
+       if (g_atomic_int_get (&_auditioning) == 0) {
                silence (nframes);
                return 0;
        }
 
        this_nframes = min (nframes, length - current_frame);
 
-       _diskstream->prepare ();
-
-       if ((ret = roll (this_nframes, current_frame, current_frame + nframes, false, false, false)) != 0) {
+       if ((ret = roll (this_nframes, current_frame, current_frame + nframes, false, need_butler)) != 0) {
                silence (nframes);
                return ret;
        }
 
-       need_butler = _diskstream->commit (this_nframes);
        current_frame += this_nframes;
 
        if (current_frame >= length) {
@@ -202,31 +216,57 @@ Auditioner::play_audition (nframes_t nframes)
 void
 Auditioner::output_changed (IOChange change, void* /*src*/)
 {
-       if (change & ConnectionsChanged) {
+       if (change.type & IOChange::ConnectionsChanged) {
                string phys;
                vector<string> connections;
+               vector<string> outputs;
+               _session.engine().get_physical_outputs (DataType::AUDIO, outputs);
                if (_output->nth (0)->get_connections (connections)) {
-                       phys = _session.engine().get_nth_physical_output (DataType::AUDIO, 0);
+                       if (outputs.size() > 0) {
+                               phys = outputs[0];
+                       }
                        if (phys != connections[0]) {
-                               _session.config.set_auditioner_output_left (connections[0]);
+                               Config->set_auditioner_output_left (connections[0]);
                        } else {
-                               _session.config.set_auditioner_output_left ("default");
+                               Config->set_auditioner_output_left ("default");
                        }
                } else {
-                       _session.config.set_auditioner_output_left ("");
+                       Config->set_auditioner_output_left ("");
                }
 
                connections.clear ();
 
                if (_output->nth (1)->get_connections (connections)) {
-                       phys = _session.engine().get_nth_physical_output (DataType::AUDIO, 1);
+                       if (outputs.size() > 1) {
+                               phys = outputs[1];
+                       }
                        if (phys != connections[0]) {
-                               _session.config.set_auditioner_output_right (connections[0]);
+                               Config->set_auditioner_output_right (connections[0]);
                        } else {
-                               _session.config.set_auditioner_output_right ("default");
+                               Config->set_auditioner_output_right ("default");
                        }
                } else {
-                       _session.config.set_auditioner_output_right ("");
+                       Config->set_auditioner_output_right ("");
                }
        }
 }
+
+ChanCount
+Auditioner::input_streams () const
+{
+        /* auditioner never has any inputs - its channel configuration
+           depends solely on the region we are auditioning.
+        */
+
+        if (audio_diskstream()) {
+                return audio_diskstream()->n_channels();
+        }
+
+        return ChanCount ();
+}
+
+MonitorState 
+Auditioner::monitoring_state () const
+{
+       return MonitoringDisk;
+}