Add history_suffix to ardour/filename_extensions.cc

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

diff --git a/libs/ardour/send.cc b/libs/ardour/send.cc
index 39c917571ad019d47c0fd5a3f421c824642e348b..929b1fc9a831b489ac95fd25a9597b2492ea5933 100644 (file)
--- a/libs/ardour/send.cc
+++ b/libs/ardour/send.cc
@@ -33,14 +33,14 @@ using namespace ARDOUR;
 using namespace PBD;
 
 Send::Send (Session& s, Placement p)
-       : Redirect (s, string_compose (_("send %1"), (bitslot = s.next_send_id()) + 1), p)
+       : IOProcessor (s, string_compose (_("send %1"), (bitslot = s.next_send_id()) + 1), p)
 {
        _metering = false;
-       RedirectCreated (this); /* EMIT SIGNAL */
+       ProcessorCreated (this); /* EMIT SIGNAL */
 }
 
 Send::Send (Session& s, const XMLNode& node)
-       : Redirect (s,  "send", PreFader)
+       : IOProcessor (s,  "send", PreFader)
 {
        _metering = false;
 
@@ -48,14 +48,14 @@ Send::Send (Session& s, const XMLNode& node)
                throw failed_constructor();
        }
 
-       RedirectCreated (this); /* EMIT SIGNAL */
+       ProcessorCreated (this); /* EMIT SIGNAL */
 }
 
 Send::Send (const Send& other)
-       : Redirect (other._session, string_compose (_("send %1"), (bitslot = other._session.next_send_id()) + 1), other.placement())
+       : IOProcessor (other._session, string_compose (_("send %1"), (bitslot = other._session.next_send_id()) + 1), other.placement())
 {
        _metering = false;
-       RedirectCreated (this); /* EMIT SIGNAL */
+       ProcessorCreated (this); /* EMIT SIGNAL */
 }
 
 Send::~Send ()
@@ -72,12 +72,13 @@ Send::get_state(void)
 XMLNode&
 Send::state(bool full)
 {
-       XMLNode *node = new XMLNode("Send");
+       XMLNode& node = IOProcessor::state(full);
        char buf[32];
-       node->add_child_nocopy (Redirect::state (full));
+       node.add_property ("type", "send");
        snprintf (buf, sizeof (buf), "%" PRIu32, bitslot);
-       node->add_property ("bitslot", buf);
-       return *node;
+       node.add_property ("bitslot", buf);
+
+       return node;
 }
 
 int
@@ -94,53 +95,51 @@ Send::set_state(const XMLNode& node)
                _session.mark_send_id (bitslot);
        }
 
+       const XMLNode* insert_node = &node;
+
        /* Send has regular IO automation (gain, pan) */
 
        for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
-               if ((*niter)->name() == Redirect::state_node_name) {
-                       Redirect::set_state (**niter);
-                       break;
+               if ((*niter)->name() == "IOProcessor") {
+                       insert_node = *niter;
                } else if ((*niter)->name() == X_("Automation")) {
-                       IO::set_automation_state (*(*niter));
+                       _io->set_automation_state (*(*niter), Parameter(GainAutomation));
                }
        }
-
-       if (niter == nlist.end()) {
-               error << _("XML node describing a send is missing a Redirect node") << endmsg;
-               return -1;
-       }
+       
+       IOProcessor::set_state (*insert_node);
 
        return 0;
 }
 
 void
-Send::run (BufferSet& bufs, nframes_t start_frame, nframes_t end_frame, nframes_t nframes, nframes_t offset)
+Send::run_in_place (BufferSet& bufs, nframes_t start_frame, nframes_t end_frame, nframes_t nframes, nframes_t offset)
 {
        if (active()) {
 
                // we have to copy the input, because IO::deliver_output may alter the buffers
                // in-place, which a send must never do.
 
-               BufferSet& sendbufs = _session.get_send_buffers(bufs.count());
+               BufferSet& sendbufs = _session.get_mix_buffers(bufs.count());
 
                sendbufs.read_from(bufs, nframes);
                assert(sendbufs.count() == bufs.count());
 
-               IO::deliver_output (sendbufs, start_frame, end_frame, nframes, offset);
+               _io->deliver_output (sendbufs, start_frame, end_frame, nframes, offset);
 
                if (_metering) {
-                       if (_gain == 0) {
-                               _meter->reset();
+                       if (_io->_gain == 0) {
+                               _io->_meter->reset();
                        } else {
-                               _meter->run(output_buffers(), nframes, offset);
+                               _io->_meter->run(_io->output_buffers(), start_frame, end_frame, nframes, offset);
                        }
                }
 
        } else {
-               silence (nframes, offset);
+               _io->silence (nframes, offset);
                
                if (_metering) {
-                       _meter->reset();
+                       _io->_meter->reset();
                }
        }
 }
@@ -152,15 +151,72 @@ Send::set_metering (bool yn)
 
        if (!_metering) {
                /* XXX possible thread hazard here */
-               peak_meter().reset();
+               _io->peak_meter().reset();
        }
 }
 
-void
-Send::expect_inputs (const ChanCount& expected)
+bool
+Send::can_support_input_configuration (ChanCount in) 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 */
+
+       } else {
+
+               /* the "input" config for a port insert corresponds to how
+                  many output ports it will have.
+               */
+
+               if (_io->output_maximum() == in) {
+
+                       return true;
+               } 
+       }
+
+       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;
+}
+
+bool
+Send::configure_io (ChanCount in, ChanCount out)
 {
-       if (expected != _expected_inputs) {
-               _expected_inputs = expected;
-               reset_panner ();
+       /* we're transparent no matter what.  fight the power. */
+       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 {
+               return false;
        }
 }
+
+ChanCount
+Send::output_streams() const
+{
+       return _io->n_outputs ();
+}
+
+ChanCount
+Send::input_streams() const
+{
+       return _io->n_outputs (); // (sic)
+}