save&restore for track monitor state
[ardour.git] / libs / ardour / track.cc
index 870936ad77a38a3f1cd0e1826b1324871f722003..fdb1665a31112b59beadf4bc3ef4c447a15ec67c 100644 (file)
@@ -43,6 +43,7 @@ Track::Track (Session& sess, string name, Route::Flag flag, TrackMode mode, Data
        : Route (sess, name, flag, default_type)
         , _saved_meter_point (_meter_point)
         , _mode (mode)
+       , _monitoring (MonitorAuto)
        , _rec_enable_control (new RecEnableControllable(*this))
 {
        _freeze_record.state = NoFreeze;
@@ -63,6 +64,7 @@ Track::init ()
 
         return 0;
 }
+
 XMLNode&
 Track::get_state ()
 {
@@ -70,44 +72,51 @@ Track::get_state ()
 }
 
 XMLNode&
-Track::get_template ()
+Track::state (bool full)
 {
-       return state (false);
-}
+       XMLNode& root (Route::state (full));
+       root.add_property (X_("monitoring"), enum_2_string (_monitoring));
+       return root;
+}      
 
-void
-Track::toggle_monitor_input ()
+int
+Track::set_state (const XMLNode& node, int version)
 {
-       for (PortSet::iterator i = _input->ports().begin(); i != _input->ports().end(); ++i) {
-               i->ensure_monitor_input(!i->monitoring_input());
-       }
+       return _set_state (node, version, true);
 }
 
-ARDOUR::nframes_t
-Track::update_total_latency ()
+int
+Track::_set_state (const XMLNode& node, int version, bool call_base)
 {
-       nframes_t old = _output->effective_latency();
-       nframes_t own_latency = _output->user_latency();
-
-       for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
-               if ((*i)->active ()) {
-                       own_latency += (*i)->signal_latency ();
+       if (call_base) {
+               if (Route::_set_state (node, version, call_base)) {
+                       return -1;
                }
        }
 
-#undef DEBUG_LATENCY
-#ifdef DEBUG_LATENCY
-       cerr << _name << ": internal redirect (final) latency = " << own_latency << endl;
-#endif
-
-       _output->set_port_latency (own_latency);
+       const XMLProperty* prop;
 
-       if (old != own_latency) {
-               _output->set_latency_delay (own_latency);
-               signal_latency_changed (); /* EMIT SIGNAL */
+       if ((prop = node.property (X_("monitoring"))) != 0) {
+               _monitoring = MonitorChoice (string_2_enum (prop->value(), _monitoring));
+       } else {
+               _monitoring = MonitorAuto;
        }
 
-       return _output->effective_latency();
+       return 0;
+}
+
+XMLNode&
+Track::get_template ()
+{
+       return state (false);
+}
+
+void
+Track::toggle_monitor_input ()
+{
+       for (PortSet::iterator i = _input->ports().begin(); i != _input->ports().end(); ++i) {
+               i->ensure_monitor_input(!i->monitoring_input());
+       }
 }
 
 Track::FreezeRecord::~FreezeRecord ()
@@ -129,17 +138,17 @@ Track::RecEnableControllable::RecEnableControllable (Track& s)
 }
 
 void
-Track::RecEnableControllable::set_value (float val)
+Track::RecEnableControllable::set_value (double val)
 {
-       bool bval = ((val >= 0.5f) ? true: false);
-       track.set_record_enable (bval, this);
+       bool bval = ((val >= 0.5) ? true: false);
+       track.set_record_enabled (bval, this);
 }
 
-float
+double
 Track::RecEnableControllable::get_value (void) const
 {
-       if (track.record_enabled()) { return 1.0f; }
-       return 0.0f;
+       if (track.record_enabled()) { return 1.0; }
+       return 0.0;
 }
 
 bool
@@ -161,7 +170,7 @@ Track::can_record()
 }
 
 void
-Track::set_record_enable (bool yn, void *src)
+Track::set_record_enabled (bool yn, void *src)
 {
        if (!_session.writable()) {
                return;
@@ -172,7 +181,7 @@ Track::set_record_enable (bool yn, void *src)
        }
 
        if (_route_group && src != _route_group && _route_group->is_active() && _route_group->is_recenable()) {
-               _route_group->apply (&Track::set_record_enable, yn, _route_group);
+               _route_group->apply (&Track::set_record_enabled, yn, _route_group);
                return;
        }
 
@@ -205,9 +214,7 @@ Track::set_name (const string& str)
                return false;
        }
 
-       if (_diskstream->set_name (str)) {
-               return false;
-       }
+       _diskstream->set_name (str);
 
        /* save state so that the statefile fully reflects any filename changes */
 
@@ -219,9 +226,9 @@ Track::set_name (const string& str)
 }
 
 void
-Track::set_latency_delay (nframes_t longest_session_latency)
+Track::set_latency_compensation (framecnt_t longest_session_latency)
 {
-       Route::set_latency_delay (longest_session_latency);
+       Route::set_latency_compensation (longest_session_latency);
        _diskstream->set_roll_delay (_roll_delay);
 }
 
@@ -234,8 +241,8 @@ Track::zero_diskstream_id_in_xml (XMLNode& node)
 }
 
 int
-Track::no_roll (nframes_t nframes, framepos_t start_frame, framepos_t end_frame,
-               bool session_state_changing, bool can_record, bool /*rec_monitors_input*/)
+Track::no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
+               bool session_state_changing, bool can_record)
 {
        Glib::RWLock::ReaderLock lm (_processor_lock, Glib::TRY_LOCK);
        if (!lm.locked()) {
@@ -266,46 +273,23 @@ Track::no_roll (nframes_t nframes, framepos_t start_frame, framepos_t end_frame,
                */
        }
 
-       _diskstream->check_record_status (start_frame, nframes, can_record);
+       _diskstream->check_record_status (start_frame, can_record);
 
-       bool send_silence;
+       bool be_silent;
 
        if (_have_internal_generator) {
                /* since the instrument has no input streams,
                   there is no reason to send any signal
                   into the route.
                */
-               send_silence = true;
+               be_silent = true;
        } else {
-               if (!Config->get_tape_machine_mode()) {
-                       /*
-                          ADATs work in a strange way..
-                          they monitor input always when stopped.and auto-input is engaged.
-                       */
-                       if ((Config->get_monitoring_model() == SoftwareMonitoring)
-                                       && (_session.config.get_auto_input () || _diskstream->record_enabled())) {
-                               send_silence = false;
-                       } else {
-                               send_silence = true;
-                       }
-               } else {
-                       /*
-                          Other machines switch to input on stop if the track is record enabled,
-                          regardless of the auto input setting (auto input only changes the
-                          monitoring state when the transport is rolling)
-                       */
-                       if ((Config->get_monitoring_model() == SoftwareMonitoring)
-                                       && _diskstream->record_enabled()) {
-                               send_silence = false;
-                       } else {
-                               send_silence = true;
-                       }
-               }
+                be_silent = send_silence ();
        }
 
        _amp->apply_gain_automation(false);
 
-       if (send_silence) {
+       if (be_silent) {
 
                /* if we're sending silence, but we want the meters to show levels for the signal,
                   meter right here.
@@ -328,14 +312,19 @@ Track::no_roll (nframes_t nframes, framepos_t start_frame, framepos_t end_frame,
                passthru (start_frame, end_frame, nframes, false);
        }
 
-       _main_outs->flush (nframes, end_frame - start_frame - 1);
+       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, end_frame - start_frame - 1);
+               }
+       }
 
        return 0;
 }
 
 int
-Track::silent_roll (nframes_t nframes, framepos_t /*start_frame*/, framepos_t /*end_frame*/,
-                   bool can_record, bool rec_monitors_input, bool& need_butler)
+Track::silent_roll (pframes_t nframes, framepos_t /*start_frame*/, framepos_t /*end_frame*/,
+                   bool can_record, bool& need_butler)
 {
        Glib::RWLock::ReaderLock lm (_processor_lock, Glib::TRY_LOCK);
        if (!lm.locked()) {
@@ -356,26 +345,14 @@ Track::silent_roll (nframes_t nframes, framepos_t /*start_frame*/, framepos_t /*
 
        silence (nframes);
 
-       return _diskstream->process (_session.transport_frame(), nframes, can_record, rec_monitors_input, need_butler);
-}
-
-ChanCount
-Track::input_streams () const
-{
-        ChanCount cc = _input->n_ports ();
-
-        if (cc.n_total() == 0 && _diskstream) {
-                return cc = _diskstream->n_channels();
-        }
-
-        return cc;
+       return _diskstream->process (_session.transport_frame(), nframes, can_record, need_butler);
 }
 
 void
 Track::set_diskstream (boost::shared_ptr<Diskstream> ds)
 {
        _diskstream = ds;
-       
+
        ds->PlaylistChanged.connect_same_thread (*this, boost::bind (&Track::diskstream_playlist_changed, this));
        diskstream_playlist_changed ();
        ds->RecordEnableChanged.connect_same_thread (*this, boost::bind (&Track::diskstream_record_enable_changed, this));
@@ -425,10 +402,10 @@ Track::destructive () const
        return _diskstream->destructive ();
 }
 
-list<boost::shared_ptr<Region> > &
-Track::last_capture_regions ()
+list<boost::shared_ptr<Source> > &
+Track::last_capture_sources ()
 {
-       return _diskstream->last_capture_regions ();
+       return _diskstream->last_capture_sources ();
 }
 
 void
@@ -437,6 +414,12 @@ Track::set_capture_offset ()
        _diskstream->set_capture_offset ();
 }
 
+list<boost::shared_ptr<Source> >
+Track::steal_write_sources()
+{
+        return _diskstream->steal_write_sources ();
+}
+
 void
 Track::reset_write_sources (bool r, bool force)
 {
@@ -474,9 +457,9 @@ Track::set_pending_overwrite (bool o)
 }
 
 int
-Track::seek (nframes_t s, bool complete_refill)
+Track::seek (framepos_t p, bool complete_refill)
 {
-       return _diskstream->seek (s, complete_refill);
+       return _diskstream->seek (p, complete_refill);
 }
 
 bool
@@ -486,15 +469,15 @@ Track::hidden () const
 }
 
 int
-Track::can_internal_playback_seek (nframes_t d)
+Track::can_internal_playback_seek (framepos_t p)
 {
-       return _diskstream->can_internal_playback_seek (d);
+       return _diskstream->can_internal_playback_seek (p);
 }
 
 int
-Track::internal_playback_seek (nframes_t d)
+Track::internal_playback_seek (framepos_t p)
 {
-       return _diskstream->internal_playback_seek (d);
+       return _diskstream->internal_playback_seek (p);
 }
 
 void
@@ -504,7 +487,7 @@ Track::non_realtime_input_change ()
 }
 
 void
-Track::non_realtime_locate (nframes_t p)
+Track::non_realtime_locate (framepos_t p)
 {
        _diskstream->non_realtime_locate (p);
 }
@@ -521,8 +504,8 @@ Track::overwrite_existing_buffers ()
        return _diskstream->overwrite_existing_buffers ();
 }
 
-nframes_t
-Track::get_captured_frames (uint32_t n)
+framecnt_t
+Track::get_captured_frames (uint32_t n) const
 {
        return _diskstream->get_captured_frames (n);
 }
@@ -534,9 +517,9 @@ Track::set_loop (Location* l)
 }
 
 void
-Track::transport_looped (nframes_t f)
+Track::transport_looped (framepos_t p)
 {
-       _diskstream->transport_looped (f);
+       _diskstream->transport_looped (p);
 }
 
 bool
@@ -581,8 +564,8 @@ Track::n_channels ()
        return _diskstream->n_channels ();
 }
 
-nframes_t
-Track::get_capture_start_frame (uint32_t n)
+framepos_t
+Track::get_capture_start_frame (uint32_t n) const
 {
        return _diskstream->get_capture_start_frame (n);
 }
@@ -593,19 +576,19 @@ Track::alignment_style () const
        return _diskstream->alignment_style ();
 }
 
-void
-Track::set_record_enabled (bool r)
+AlignChoice
+Track::alignment_choice () const
 {
-       _diskstream->set_record_enabled (r);
+       return _diskstream->alignment_choice ();
 }
 
-nframes_t
+framepos_t
 Track::current_capture_start () const
 {
        return _diskstream->current_capture_start ();
 }
 
-nframes_t
+framepos_t
 Track::current_capture_end () const
 {
        return _diskstream->current_capture_end ();
@@ -642,9 +625,15 @@ Track::read_data_count () const
 }
 
 void
-Track::set_align_style (AlignStyle s)
+Track::set_align_style (AlignStyle s, bool force)
 {
-       _diskstream->set_align_style (s);
+       _diskstream->set_align_style (s, force);
+}
+
+void
+Track::set_align_choice (AlignChoice s, bool force)
+{
+       _diskstream->set_align_choice (s, force);
 }
 
 uint32_t
@@ -660,8 +649,137 @@ Track::diskstream_id () const
 }
 
 void
-Track::set_block_size (nframes_t n)
+Track::set_block_size (pframes_t n)
 {
        Route::set_block_size (n);
        _diskstream->set_block_size (n);
 }
+
+void
+Track::adjust_playback_buffering ()
+{
+        if (_diskstream) {
+                _diskstream->adjust_playback_buffering ();
+        }
+}
+
+void
+Track::adjust_capture_buffering ()
+{
+        if (_diskstream) {
+                _diskstream->adjust_capture_buffering ();
+        }
+}
+
+bool
+Track::send_silence () const
+{
+        bool send_silence;
+
+        if (Config->get_tape_machine_mode()) {
+
+                /* ADATs work in a strange way..
+                  they monitor input always when stopped.and auto-input is engaged.
+                */
+               
+                if ((Config->get_monitoring_model() == SoftwareMonitoring)
+                    && ((_monitoring & MonitorInput) || (_diskstream->record_enabled()))) {
+                       send_silence = false;
+                } else {
+                        send_silence = true;
+                }
+               
+               
+        } else {
+               
+                /* Other machines switch to input on stop if the track is record enabled,
+                  regardless of the auto input setting (auto input only changes the
+                  monitoring state when the transport is rolling)
+                */
+               
+                if ((Config->get_monitoring_model() == SoftwareMonitoring)
+                    && ((_monitoring & MonitorInput) || 
+                       (!(_monitoring & MonitorDisk) && (_session.config.get_auto_input () || _diskstream->record_enabled())))){
+                        send_silence = false;
+                } else {
+                        send_silence = true;
+                }
+        }
+
+        return send_silence;
+}
+
+void
+Track::maybe_declick (BufferSet& bufs, framecnt_t nframes, int declick)
+{
+        /* never declick if there is an internal generator - we just want it to
+           keep generating sound without interruption.
+        */
+
+        if (_have_internal_generator) {
+                return;
+        }
+
+        if (!declick) {
+               declick = _pending_declick;
+       }
+
+       if (declick != 0) {
+               Amp::declick (bufs, nframes, declick);
+       }
+}
+
+framecnt_t
+Track::check_initial_delay (framecnt_t nframes, framecnt_t& transport_frame)
+{
+       if (_roll_delay > nframes) {
+
+               _roll_delay -= nframes;
+               silence_unlocked (nframes);
+               /* transport frame is not legal for caller to use */
+               return 0;
+
+       } else if (_roll_delay > 0) {
+
+               nframes -= _roll_delay;
+               silence_unlocked (_roll_delay);
+               transport_frame += _roll_delay;
+
+               /* shuffle all the port buffers for things that lead "out" of this Route
+                  to reflect that we just wrote _roll_delay frames of silence.
+               */
+
+               Glib::RWLock::ReaderLock lm (_processor_lock);
+               for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
+                       boost::shared_ptr<IOProcessor> iop = boost::dynamic_pointer_cast<IOProcessor> (*i);
+                       if (iop) {
+                               iop->increment_port_buffer_offset (_roll_delay);
+                       }
+               }
+               _output->increment_port_buffer_offset (_roll_delay);
+
+               _roll_delay = 0;
+
+       }
+
+       return nframes; 
+}
+
+void
+Track::set_monitoring (MonitorChoice mc)
+{
+       if (mc !=  _monitoring) {
+               _monitoring = mc;
+               MonitoringChanged (); /* EMIT SIGNAL */
+       }
+}
+
+bool
+Track::should_monitor_input () 
+{
+       return (_monitoring & MonitorInput) || 
+               (!(_monitoring & MonitorDisk) && 
+                (diskstream->record_enabled() && 
+                 !can_record && 
+                 !_session.config.get_auto_input()));
+}