X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=libs%2Fardour%2Freturn.cc;h=74b1cbeb32e4295045b6442fb54b252d4f2fb3fb;hb=3d366053e2719ca0f129c16575ce481fcd214f61;hp=fdc2b259e1342fc64bf273626f7eb98934a69a96;hpb=2c231282baa596219506c1ee4632708977cc0714;p=ardour.git

diff --git a/libs/ardour/return.cc b/libs/ardour/return.cc
index fdc2b259e1..74b1cbeb32 100644
--- a/libs/ardour/return.cc
+++ b/libs/ardour/return.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2000 Paul Davis 
+    Copyright (C) 2000 Paul Davis
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -21,73 +21,63 @@
 
 #include "pbd/xml++.h"
 
-#include "ardour/return.h"
-#include "ardour/session.h"
-#include "ardour/port.h"
-#include "ardour/audio_port.h"
+#include "ardour/amp.h"
+#include "ardour/audioengine.h"
 #include "ardour/buffer_set.h"
-#include "ardour/meter.h"
-#include "ardour/panner.h"
+#include "ardour/gain_control.h"
 #include "ardour/io.h"
+#include "ardour/meter.h"
+#include "ardour/return.h"
+#include "ardour/session.h"
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace ARDOUR;
 using namespace PBD;
 
-Return::Return (Session& s)
-	: IOProcessor (s, string_compose (_("return %1"), (_bitslot = s.next_return_id()) + 1))
+std::string
+Return::name_and_id_new_return (Session& s, uint32_t& bitslot)
 {
-	ProcessorCreated (this); /* EMIT SIGNAL */
+	bitslot = s.next_return_id();
+	return string_compose (_("return %1"), bitslot + 1);
 }
 
-Return::Return (Session& s, const XMLNode& node)
-	: IOProcessor (s, "return")
+
+Return::Return (Session& s, bool internal)
+	: IOProcessor (s, (internal ? false : true), false,
+		       name_and_id_new_return (s, _bitslot))
+	, _metering (false)
 {
-	if (set_state (node)) {
-		throw failed_constructor();
-	}
+	/* never muted */
 
-	ProcessorCreated (this); /* EMIT SIGNAL */
-}
+	boost::shared_ptr<AutomationList> gl (new AutomationList (Evoral::Parameter (GainAutomation)));
+	_gain_control = boost::shared_ptr<GainControl> (new GainControl (_session, Evoral::Parameter (GainAutomation), gl));
+	add_control (_gain_control);
 
-Return::~Return ()
-{
-	GoingAway ();
+	_amp.reset (new Amp (_session, X_("Fader"), _gain_control, true));
+	_meter.reset (new PeakMeter (_session, name()));
 }
 
-XMLNode&
-Return::get_state(void)
+Return::~Return ()
 {
-	return state (true);
+        _session.unmark_return_id (_bitslot);
 }
 
 XMLNode&
-Return::state(bool full)
+Return::state()
 {
-	XMLNode& node = IOProcessor::state(full);
-	char buf[32];
-	node.add_property ("type", "return");
-	snprintf (buf, sizeof (buf), "%" PRIu32, _bitslot);
-	node.add_property ("bitslot", buf);
+	XMLNode& node = IOProcessor::state ();
+	node.set_property ("type", "return");
+	node.set_property ("bitslot", _bitslot);
 
 	return node;
 }
 
 int
-Return::set_state(const XMLNode& node)
+Return::set_state (const XMLNode& node, int version)
 {
 	XMLNodeList nlist = node.children();
 	XMLNodeIterator niter;
-	const XMLProperty* prop;
-
-	if ((prop = node.property ("bitslot")) == 0) {
-		_bitslot = _session.next_return_id();
-	} else {
-		sscanf (prop->value().c_str(), "%" PRIu32, &_bitslot);
-		_session.mark_return_id (_bitslot);
-	}
-
 	const XMLNode* insert_node = &node;
 
 	/* Return has regular IO automation (gain, pan) */
@@ -99,38 +89,66 @@ Return::set_state(const XMLNode& node)
 			// _io->set_automation_state (*(*niter), Evoral::Parameter(GainAutomation));
 		}
 	}
-	
-	IOProcessor::set_state (*insert_node);
+
+	IOProcessor::set_state (*insert_node, version);
+
+	if (!node.property ("ignore-bitslot")) {
+		uint32_t bitslot;
+		if (node.get_property ("bitslot", bitslot)) {
+			_session.unmark_return_id (_bitslot);
+			_bitslot = bitslot;
+			_session.mark_return_id (_bitslot);
+		} else {
+			_bitslot = _session.next_return_id();
+		}
+	}
 
 	return 0;
 }
 
 void
-Return::run_in_place (BufferSet& bufs, nframes_t start_frame, nframes_t end_frame, nframes_t nframes)
+Return::run (BufferSet& bufs, samplepos_t start_sample, samplepos_t end_sample, double speed, pframes_t nframes, bool)
 {
-	if (active()) {
-		_io->collect_input (bufs, nframes, _configured_input);
-		bufs.set_count(_configured_output);
+	if ((!_active && !_pending_active) || _input->n_ports() == ChanCount::ZERO) {
+		return;
 	}
+
+	_input->collect_input (bufs, nframes, _configured_input);
+	bufs.set_count(_configured_output);
+
+	// Can't automate gain for sends or returns yet because we need different buffers
+	// so that we don't overwrite the main automation data for the route amp
+	// _amp->setup_gain_automation (start_sample, end_sample, nframes);
+	_amp->run (bufs, start_sample, end_sample, speed, nframes, true);
+
+	if (_metering) {
+		if (_amp->gain_control()->get_value() == 0) {
+			_meter->reset();
+		} else {
+			_meter->run (bufs, start_sample, end_sample, speed, nframes, true);
+		}
+	}
+
+	_active = _pending_active;
 }
 
 bool
-Return::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
+Return::can_support_io_configuration (const ChanCount& in, ChanCount& out)
 {
-	out = in + _io->n_inputs();
+	out = in + _input->n_ports();
 	return true;
 }
 
 bool
 Return::configure_io (ChanCount in, ChanCount out)
 {
-	if (out != in + _io->n_inputs()) {
+	if (out != in + _input->n_ports()) {
 		return false;
 	}
 
 	// Ensure there are enough buffers (since we add some)
 	if (_session.get_scratch_buffers(in).count() < out) {
-		Glib::Mutex::Lock em (_session.engine().process_lock());
+		Glib::Threads::Mutex::Lock em (_session.engine().process_lock());
 		IO::PortCountChanged(out);
 	}
 
@@ -138,27 +156,3 @@ Return::configure_io (ChanCount in, ChanCount out)
 
 	return true;
 }
-
-/** Set up the XML description of a return so that its name is unique.
- *  @param state XML return state.
- *  @param session Session.
- */
-void
-Return::make_unique (XMLNode &state, Session &session)
-{
-	uint32_t const bitslot = session.next_return_id() + 1;
-
-	char buf[32];
-	snprintf (buf, sizeof (buf), "%" PRIu32, bitslot);
-	state.property("bitslot")->set_value (buf);
-
-	std::string const name = string_compose (_("return %1"), bitslot);
-	
-	state.property("name")->set_value (name);
-
-	XMLNode* io = state.child ("IO");
-	if (io) {
-		io->property("name")->set_value (name);
-	}
-}
-