properly handle integer steps in plugin controls
[ardour.git] / libs / ardour / audio_track.cc
index ad2c3a96e11933a68728088de74c960c921eeb3e..c056763efc57ee8fbaa4d133ce474329f6e351db 100644 (file)
@@ -60,13 +60,7 @@ AudioTrack::~AudioTrack ()
 boost::shared_ptr<Diskstream>
 AudioTrack::create_diskstream ()
 {
-       AudioDiskstream::Flag dflags = AudioDiskstream::Flag (0);
-
-       if (_flags & Auditioner) {
-               dflags = AudioDiskstream::Flag (dflags | AudioDiskstream::Hidden);
-       } else {
-               dflags = AudioDiskstream::Flag (dflags | AudioDiskstream::Recordable);
-       }
+       AudioDiskstream::Flag dflags = AudioDiskstream::Flag (AudioDiskstream::Recordable);
 
        if (_mode == Destructive) {
                dflags = AudioDiskstream::Flag (dflags | AudioDiskstream::Destructive);
@@ -96,7 +90,7 @@ AudioTrack::set_diskstream (boost::shared_ptr<Diskstream> ds)
        }
 
        _diskstream->set_record_enabled (false);
-       _diskstream->request_jack_monitors_input (false);
+       _diskstream->request_input_monitoring (false);
 
        DiskstreamChanged (); /* EMIT SIGNAL */
 }
@@ -193,16 +187,16 @@ AudioTrack::set_state (const XMLNode& node, int version)
 {
        const XMLProperty *prop;
 
-       if (Track::set_state (node, version)) {
-               return -1;
-       }
-
        if ((prop = node.property (X_("mode"))) != 0) {
                _mode = TrackMode (string_2_enum (prop->value(), _mode));
        } else {
                _mode = Normal;
        }
 
+       if (Track::set_state (node, version)) {
+               return -1;
+       }
+
        pending_state = const_cast<XMLNode*> (&node);
 
        if (_session.state_of_the_state() & Session::Loading) {
@@ -250,7 +244,7 @@ AudioTrack::set_state_part_two ()
 {
        XMLNode* fnode;
        XMLProperty* prop;
-       LocaleGuard lg (X_("POSIX"));
+       LocaleGuard lg (X_("C"));
 
        /* This is called after all session state has been restored but before
           have been made ports and connections are established.
@@ -313,6 +307,12 @@ AudioTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_fram
        Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
 
        if (!lm.locked()) {
+               boost::shared_ptr<AudioDiskstream> diskstream = audio_diskstream();
+               framecnt_t playback_distance = diskstream->calculate_playback_distance(nframes);
+               if (can_internal_playback_seek(llabs(playback_distance))) {
+                       /* TODO should declick */
+                       internal_playback_seek(playback_distance);
+               }
                return 0;
        }
 
@@ -325,6 +325,9 @@ AudioTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_fram
 
        if (!_active) {
                silence (nframes);
+               if (_meter_point == MeterInput && (_monitoring & MonitorInput || _diskstream->record_enabled())) {
+                       _meter->reset();
+               }
                return 0;
        }
 
@@ -347,10 +350,20 @@ AudioTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_fram
                return dret;
        }
 
+       if (_mute_control->list() && _mute_control->automation_playback()) {
+               bool        valid = false;
+               const float mute  = _mute_control->list()->rt_safe_eval(transport_frame, valid);
+               if (mute >= 0.5 && !muted()) {
+                       _mute_control->set_value(1.0);  // mute
+               } else if (mute < 0.5 && muted()) {
+                       _mute_control->set_value(0.0);  // unmute
+               }
+       }
+
        _silent = false;
        _amp->apply_gain_automation(false);
 
-       BufferSet& bufs = _session.get_scratch_buffers (n_process_buffers ());
+       BufferSet& bufs = _session.get_route_buffers (n_process_buffers ());
 
        fill_buffers_with_input (bufs, _input, nframes);
        
@@ -366,6 +379,13 @@ AudioTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_fram
 
        process_output_buffers (bufs, start_frame, end_frame, nframes, declick, (!diskstream->record_enabled() && _session.transport_rolling()));
 
+       for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
+               boost::shared_ptr<Delivery> d = boost::dynamic_pointer_cast<Delivery> (*i);
+               if (d) {
+                       d->flush_buffers (nframes);
+               }
+       }
+
        need_butler = diskstream->commit (playback_distance);
 
        return 0;
@@ -373,7 +393,7 @@ AudioTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_fram
 
 int
 AudioTrack::export_stuff (BufferSet& buffers, framepos_t start, framecnt_t nframes,
-                         boost::shared_ptr<Processor> endpoint, bool include_endpoint, bool for_export)
+                         boost::shared_ptr<Processor> endpoint, bool include_endpoint, bool for_export, bool for_freeze)
 {
        boost::scoped_array<gain_t> gain_buffer (new gain_t[nframes]);
        boost::scoped_array<Sample> mix_buffer (new Sample[nframes]);
@@ -407,38 +427,7 @@ AudioTrack::export_stuff (BufferSet& buffers, framepos_t start, framecnt_t nfram
                }
        }
 
-       // If no processing is required, there's no need to go any further.
-
-       if (!endpoint && !include_endpoint) {
-               return 0;
-       }
-
-       for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
-
-               if (!include_endpoint && (*i) == endpoint) {
-                       break;
-               }
-               
-               /* if we're not exporting, stop processing if we come across a routing processor.
-                */
-               
-               if (!for_export && (*i)->does_routing()) {
-                       break;
-               }
-
-               /* even for export, don't run any processor that does routing. 
-
-                  oh, and don't bother with the peak meter either.
-                */
-
-               if (!(*i)->does_routing() && !boost::dynamic_pointer_cast<PeakMeter>(*i)) {
-                       (*i)->run (buffers, start, start+nframes, nframes, true);
-               }
-               
-               if ((*i) == endpoint) {
-                       break;
-               }
-       }
+       bounce_process (buffers, start, nframes, endpoint, include_endpoint, for_export, for_freeze);
 
        return 0;
 }
@@ -511,7 +500,7 @@ AudioTrack::bounce_range (framepos_t start, framepos_t end, InterThreadInfo& itt
                          boost::shared_ptr<Processor> endpoint, bool include_endpoint)
 {
        vector<boost::shared_ptr<Source> > srcs;
-       return _session.write_one_track (*this, start, end, false, srcs, itt, endpoint, include_endpoint, false);
+       return _session.write_one_track (*this, start, end, false, srcs, itt, endpoint, include_endpoint, false, false);
 }
 
 void
@@ -554,8 +543,8 @@ AudioTrack::freeze_me (InterThreadInfo& itt)
 
        boost::shared_ptr<Region> res;
 
-       if ((res = _session.write_one_track (*this, _session.current_start_frame(), _session.current_end_frame(), true, srcs, itt, 
-                                            main_outs(), false, false)) == 0) {
+       if ((res = _session.write_one_track (*this, _session.current_start_frame(), _session.current_end_frame(),
+                                       true, srcs, itt, main_outs(), false, false, true)) == 0) {
                return;
        }
 
@@ -566,7 +555,10 @@ AudioTrack::freeze_me (InterThreadInfo& itt)
 
                for (ProcessorList::iterator r = _processors.begin(); r != _processors.end(); ++r) {
 
-                       if (!(*r)->does_routing() && !boost::dynamic_pointer_cast<PeakMeter>(*r)) {
+                       if ((*r)->does_routing() && (*r)->active()) {
+                               break;
+                       }
+                       if (!boost::dynamic_pointer_cast<PeakMeter>(*r)) {
 
                                FreezeRecordProcessorInfo* frii  = new FreezeRecordProcessorInfo ((*r)->get_state(), (*r));
 
@@ -574,9 +566,10 @@ AudioTrack::freeze_me (InterThreadInfo& itt)
 
                                _freeze_record.processor_info.push_back (frii);
 
-                               /* now deactivate the processor */
-
-                               (*r)->deactivate ();
+                               /* now deactivate the processor, */
+                               if (!boost::dynamic_pointer_cast<Amp>(*r)) {
+                                       (*r)->deactivate ();
+                               }
                        }
                        
                        _session.set_dirty ();
@@ -610,7 +603,7 @@ AudioTrack::freeze_me (InterThreadInfo& itt)
 
        /* reset stuff that has already been accounted for in the freeze process */
 
-       set_gain (1.0, this);
+       set_gain (GAIN_COEFF_UNITY, this);
        _amp->gain_control()->set_automation_state (Off);
        /* XXX need to use _main_outs _panner->set_automation_state (Off); */