*** NEW CODING POLICY ***

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

diff --git a/libs/ardour/send.cc b/libs/ardour/send.cc
index 929b1fc9a831b489ac95fd25a9597b2492ea5933..c41ca770f8ceb7b26eb0ff38d5aee905cc6d86de 100644 (file)
--- a/libs/ardour/send.cc
+++ b/libs/ardour/send.cc
@@ -19,14 +19,17 @@
 
 #include <algorithm>
 
-#include <pbd/xml++.h>
-
-#include <ardour/send.h>
-#include <ardour/session.h>
-#include <ardour/port.h>
-#include <ardour/audio_port.h>
-#include <ardour/buffer_set.h>
-#include <ardour/meter.h>
+#include "pbd/xml++.h"
+
+#include "ardour/send.h"
+#include "ardour/session.h"
+#include "ardour/port.h"
+#include "ardour/audio_port.h"
+#include "ardour/buffer_set.h"
+#include "ardour/meter.h"
+#include "ardour/panner.h"
+#include "ardour/io.h"
+
 #include "i18n.h"
 
 using namespace ARDOUR;
@@ -40,7 +43,7 @@ Send::Send (Session& s, Placement p)
 }
 
 Send::Send (Session& s, const XMLNode& node)
-       : IOProcessor (s,  "send", PreFader)
+       : IOProcessor (s, "send", PreFader)
 {
        _metering = false;
 
@@ -51,13 +54,6 @@ Send::Send (Session& s, const XMLNode& node)
        ProcessorCreated (this); /* EMIT SIGNAL */
 }
 
-Send::Send (const Send& other)
-       : IOProcessor (other._session, string_compose (_("send %1"), (bitslot = other._session.next_send_id()) + 1), other.placement())
-{
-       _metering = false;
-       ProcessorCreated (this); /* EMIT SIGNAL */
-}
-
 Send::~Send ()
 {
        GoingAway ();
@@ -103,7 +99,7 @@ Send::set_state(const XMLNode& node)
                if ((*niter)->name() == "IOProcessor") {
                        insert_node = *niter;
                } else if ((*niter)->name() == X_("Automation")) {
-                       _io->set_automation_state (*(*niter), Parameter(GainAutomation));
+                       // _io->set_automation_state (*(*niter), Evoral::Parameter(GainAutomation));
                }
        }
        
@@ -128,10 +124,10 @@ Send::run_in_place (BufferSet& bufs, nframes_t start_frame, nframes_t end_frame,
                _io->deliver_output (sendbufs, start_frame, end_frame, nframes, offset);
 
                if (_metering) {
-                       if (_io->_gain == 0) {
-                               _io->_meter->reset();
+                       if (_io->effective_gain() == 0) {
+                               _io->peak_meter().reset();
                        } else {
-                               _io->_meter->run(_io->output_buffers(), start_frame, end_frame, nframes, offset);
+                               _io->peak_meter().run_in_place(_io->output_buffers(), start_frame, end_frame, nframes, offset);
                        }
                }
 
@@ -139,7 +135,7 @@ Send::run_in_place (BufferSet& bufs, nframes_t start_frame, nframes_t end_frame,
                _io->silence (nframes, offset);
                
                if (_metering) {
-                       _io->_meter->reset();
+                       _io->peak_meter().reset();
                }
        }
 }
@@ -156,13 +152,13 @@ Send::set_metering (bool yn)
 }
 
 bool
-Send::can_support_input_configuration (ChanCount in) const
+Send::can_support_io_configuration (const ChanCount& in, ChanCount& out_is_ignored) const
 {
        if (_io->input_maximum() == ChanCount::INFINITE && _io->output_maximum() == ChanCount::INFINITE) {
 
                /* not configured yet */
 
-               return true; /* we can support anything the first time we're asked */
+               return 1; /* we can support anything the first time we're asked */
 
        } else {
 
@@ -171,52 +167,82 @@ Send::can_support_input_configuration (ChanCount in) const
                */
 
                if (_io->output_maximum() == in) {
-
-                       return true;
+                       return 1;
                } 
        }
 
-       return false;
-}
-
-ChanCount
-Send::output_for_input_configuration (ChanCount in) const
-{
-       // from the internal (Insert) perspective a Send does not modify its input whatsoever
-       return in;
+       return -1;
 }
 
 bool
 Send::configure_io (ChanCount in, ChanCount out)
 {
        /* we're transparent no matter what.  fight the power. */
-       if (out != in)
+
+       if (out != in) {
                return false;
+       }
 
        _io->set_output_maximum (in);
        _io->set_output_minimum (in);
        _io->set_input_maximum (ChanCount::ZERO);
        _io->set_input_minimum (ChanCount::ZERO);
 
-       bool success = _io->ensure_io (ChanCount::ZERO, in, false, this) == 0;
-
-       if (success) {
-               Processor::configure_io(in, out);
-               _io->reset_panner();
-               return true;
-       } else {
+       if (_io->ensure_io (ChanCount::ZERO, in, false, this) != 0) {
                return false;
        }
+
+       Processor::configure_io(in, out);
+       _io->reset_panner();
+
+       return true;
 }
 
 ChanCount
 Send::output_streams() const
 {
-       return _io->n_outputs ();
+       // this method reflects the idea that from the perspective of the Route's ProcessorList, 
+       // a send is just a passthrough. that doesn't match what the Send actually does with its 
+       // data, but since what it does is invisible to the Route, it appears to be a passthrough.
+       
+       return _configured_input;
 }
 
 ChanCount
 Send::input_streams() const
 {
-       return _io->n_outputs (); // (sic)
+       return _configured_input;
+}
+
+
+void
+Send::expect_inputs (const ChanCount& expected)
+{
+       if (expected != expected_inputs) {
+               expected_inputs = expected;
+               _io->reset_panner ();
+       }
+}
+
+/** Set up the XML description of a send so that its name is unique.
+ *  @param state XML send state.
+ *  @param session Session.
+ */
+void
+Send::make_unique (XMLNode &state, Session &session)
+{
+       uint32_t const bitslot = session.next_send_id() + 1;
+
+       char buf[32];
+       snprintf (buf, sizeof (buf), "%" PRIu32, bitslot);
+       state.property("bitslot")->set_value (buf);
+
+       std::string const name = string_compose (_("send %1"), bitslot);
+       
+       state.property("name")->set_value (name);
+
+       XMLNode* io = state.child ("IO");
+       if (io) {
+               io->property("name")->set_value (name);
+       }
 }