Use XMLNode::get/set_property API in ARDOUR::SoloControl class

[ardour.git] / libs / ardour / internal_send.cc

diff --git a/libs/ardour/internal_send.cc b/libs/ardour/internal_send.cc
index fe57176ac7d5e213c3ae44d0965b662b74f55d3a..4f9306f38e22664eac9fd1d8b9d86369d1bcae28 100644 (file)
--- a/libs/ardour/internal_send.cc
+++ b/libs/ardour/internal_send.cc
@@ -30,7 +30,7 @@
 #include "ardour/session.h"
 #include "ardour/audioengine.h"
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 namespace ARDOUR { class MuteMaster; class Pannable; }
 
@@ -49,6 +49,7 @@ InternalSend::InternalSend (Session& s,
                bool ignore_bitslot)
        : Send (s, p, mm, role, ignore_bitslot)
        , _send_from (sendfrom)
+       , _allow_feedback (false)
 {
        if (sendto) {
                if (use_target (sendto)) {
@@ -74,10 +75,10 @@ InternalSend::init_gain ()
 {
        if (_role == Listen) {
                /* send to monitor bus is always at unity */
-               _amp->set_gain (GAIN_COEFF_UNITY, this);
+               _gain_control->set_value (GAIN_COEFF_UNITY, PBD::Controllable::NoGroup);
        } else {
                /* aux sends start at -inf dB */
-               _amp->set_gain (GAIN_COEFF_ZERO, this);
+               _gain_control->set_value (GAIN_COEFF_ZERO, PBD::Controllable::NoGroup);
        }
 }
 
@@ -133,7 +134,7 @@ InternalSend::send_to_going_away ()
 }
 
 void
-InternalSend::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, pframes_t nframes, bool)
+InternalSend::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, double speed, pframes_t nframes, bool)
 {
        if ((!_active && !_pending_active) || !_send_to) {
                _meter->reset ();
@@ -144,7 +145,30 @@ InternalSend::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame
        // in-place, which a send must never do.
 
        if (_panshell && !_panshell->bypassed() && role() != Listen) {
-               _panshell->run (bufs, mixbufs, start_frame, end_frame, nframes);
+               if (mixbufs.count ().n_audio () > 0) {
+                       _panshell->run (bufs, mixbufs, start_frame, end_frame, nframes);
+               }
+
+               /* non-audio data will not have been copied by the panner, do it now
+                * if there are more buffers available than send buffers, ignore them,
+                * if there are less, copy the last as IO::copy_to_output does. */
+
+               for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
+                       if (*t != DataType::AUDIO) {
+                               BufferSet::iterator o = mixbufs.begin(*t);
+                               BufferSet::iterator i = bufs.begin(*t);
+
+                               while (i != bufs.end(*t) && o != mixbufs.end(*t)) {
+                                       o->read_from (*i, nframes);
+                                       ++i;
+                                       ++o;
+                               }
+                               while (o != mixbufs.end(*t)) {
+                                       o->silence(nframes, 0);
+                                       ++o;
+                               }
+                       }
+               }
        } else {
                if (role() == Listen) {
                        /* We're going to the monitor bus, so discard MIDI data */
@@ -171,7 +195,8 @@ InternalSend::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame
                        */
 
                        uint32_t j = 0;
-                       for (uint32_t i = 0; i < mixbufs_audio; ++i) {
+                       uint32_t i = 0;
+                       for (i = 0; i < mixbufs_audio && j < bufs_audio; ++i) {
                                mixbufs.get_audio(i).read_from (bufs.get_audio(j), nframes);
                                ++j;
 
@@ -179,6 +204,10 @@ InternalSend::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame
                                        j = 0;
                                }
                        }
+                       /* in case or MIDI track with 0 audio channels */
+                       for (; i < mixbufs_audio; ++i) {
+                               mixbufs.get_audio(i).silence (nframes);
+                       }
 
                } else {
                        assert (mixbufs.available() >= bufs.count());
@@ -190,27 +219,32 @@ InternalSend::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame
 
        gain_t tgain = target_gain ();
 
-       _amp->set_gain (tgain, this);
+       if (tgain != _current_gain) {
+
+               /* target gain has changed */
+
+               _current_gain = Amp::apply_gain (mixbufs, _session.nominal_frame_rate(), nframes, _current_gain, tgain);
+
+       } else if (tgain == GAIN_COEFF_ZERO) {
 
-       if (tgain == GAIN_COEFF_ZERO && _amp->gain() == GAIN_COEFF_ZERO) {
                /* we were quiet last time, and we're still supposed to be quiet.
-                */
+               */
 
                _meter->reset ();
                Amp::apply_simple_gain (mixbufs, nframes, GAIN_COEFF_ZERO);
                goto out;
 
-       }
+       } else if (tgain != GAIN_COEFF_UNITY) {
 
-       /* These two calls will either set up gain automation or mark
-          the amp as ready to use a simple scalar gain.
-       */
+               /* target gain has not changed, but is not zero or unity */
+               Amp::apply_simple_gain (mixbufs, nframes, tgain);
+       }
 
        _amp->set_gain_automation_buffer (_session.send_gain_automation_buffer ());
        _amp->setup_gain_automation (start_frame, end_frame, nframes);
-       _amp->run (mixbufs, start_frame, end_frame, nframes, true);
+       _amp->run (mixbufs, start_frame, end_frame, speed, nframes, true);
 
-       _delayline->run (mixbufs, start_frame, end_frame, nframes, true);
+       _delayline->run (mixbufs, start_frame, end_frame, speed, nframes, true);
 
        /* consider metering */
 
@@ -218,7 +252,7 @@ InternalSend::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame
                if (_amp->gain_control()->get_value() == GAIN_COEFF_ZERO) {
                        _meter->reset();
                } else {
-                       _meter->run (mixbufs, start_frame, end_frame, nframes, true);
+                       _meter->run (mixbufs, start_frame, end_frame, speed, nframes, true);
                }
        }
 
@@ -238,10 +272,20 @@ InternalSend::set_block_size (pframes_t nframes)
         return 0;
 }
 
+void
+InternalSend::set_allow_feedback (bool yn)
+{
+       _allow_feedback = yn;
+       _send_from->processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
+}
+
 bool
 InternalSend::feeds (boost::shared_ptr<Route> other) const
 {
-       return _send_to == other;
+       if (_role == Listen || !_allow_feedback) {
+               return _send_to == other;
+       }
+       return false;
 }
 
 XMLNode&
@@ -256,6 +300,7 @@ InternalSend::state (bool full)
        if (_send_to) {
                node.add_property ("target", _send_to->id().to_s());
        }
+       node.add_property ("allow-feedback", _allow_feedback);
 
        return node;
 }
@@ -269,7 +314,7 @@ InternalSend::get_state()
 int
 InternalSend::set_state (const XMLNode& node, int version)
 {
-       const XMLProperty* prop;
+       XMLProperty const * prop;
 
        init_gain ();
 
@@ -291,6 +336,10 @@ InternalSend::set_state (const XMLNode& node, int version)
                }
        }
 
+       if ((prop = node.property (X_("allow-feedback"))) != 0) {
+               _allow_feedback = string_is_affirmative (prop->value());
+       }
+
        return 0;
 }