/*
- Copyright (C) 2000,2007 Paul Davis
+ Copyright (C) 2000,2007 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
#include <string>
-#include <sigc++/bind.h>
#include "pbd/failed_constructor.h"
#include "pbd/xml++.h"
-#include "ardour/port_insert.h"
+#include "ardour/audioengine.h"
+#include "ardour/audio_port.h"
+#include "ardour/buffer_set.h"
+#include "ardour/delivery.h"
+#include "ardour/mtdm.h"
#include "ardour/plugin.h"
#include "ardour/port.h"
+#include "ardour/port_insert.h"
#include "ardour/route.h"
-#include "ardour/buffer_set.h"
-
-#include "ardour/audioengine.h"
#include "ardour/session.h"
#include "ardour/types.h"
using namespace ARDOUR;
using namespace PBD;
-PortInsert::PortInsert (Session& s)
- : IOProcessor (s, string_compose (_("insert %1"), (bitslot = s.next_insert_id()) + 1), "")
+PortInsert::PortInsert (Session& s, boost::shared_ptr<MuteMaster> mm)
+ : IOProcessor (s, true, true, string_compose (_("insert %1"), (bitslot = s.next_insert_id()) + 1), "")
+ , _out (new Delivery (s, _output, mm, _name, Delivery::Insert))
{
- init ();
- ProcessorCreated (this); /* EMIT SIGNAL */
+ _mtdm = 0;
+ _latency_detect = false;
+ _latency_flush_frames = false;
+ _measured_latency = 0;
}
-PortInsert::PortInsert (Session& s, const XMLNode& node)
- : IOProcessor (s, "unnamed port insert")
+PortInsert::~PortInsert ()
{
- if (set_state (node)) {
- throw failed_constructor();
- }
+ _session.unmark_insert_id (bitslot);
+ delete _mtdm;
+}
- ProcessorCreated (this); /* EMIT SIGNAL */
+void
+PortInsert::start_latency_detection ()
+{
+ if (_mtdm != 0) {
+ delete _mtdm;
+ }
+
+ _mtdm = new MTDM;
+ _latency_flush_frames = false;
+ _latency_detect = true;
+ _measured_latency = 0;
}
-PortInsert::~PortInsert ()
+void
+PortInsert::stop_latency_detection ()
{
- GoingAway ();
+ _latency_flush_frames = signal_latency() + _session.engine().frames_per_cycle();
+ _latency_detect = false;
}
void
-PortInsert::init ()
+PortInsert::set_measured_latency (nframes_t n)
{
- if (_io->ensure_io(output_streams(), input_streams(), false, this)) { // sic
- error << _("PortInsert: cannot create ports") << endmsg;
- throw failed_constructor();
- }
+ _measured_latency = n;
}
void
-PortInsert::run_in_place (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame, nframes_t nframes)
+PortInsert::run (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame, nframes_t nframes, bool)
{
- if (_io->n_outputs().n_total() == 0) {
+ if (_output->n_ports().n_total() == 0) {
return;
}
- if (!active()) {
+ if (_latency_detect) {
+
+ if (_input->n_ports().n_audio() != 0) {
+
+ AudioBuffer& outbuf (_output->ports().nth_audio_port(0)->get_audio_buffer (nframes));
+ Sample* in = _input->ports().nth_audio_port(0)->get_audio_buffer (nframes).data();
+ Sample* out = outbuf.data();
+
+ _mtdm->process (nframes, in, out);
+
+ outbuf.is_silent (false);
+ }
+
+ return;
+
+ } else if (_latency_flush_frames) {
+
+ /* wait for the entire input buffer to drain before picking up input again so that we can't
+ hear the remnants of whatever MTDM pumped into the pipeline.
+ */
+
+ silence (nframes);
+
+ if (_latency_flush_frames > nframes) {
+ _latency_flush_frames -= nframes;
+ } else {
+ _latency_flush_frames = 0;
+ }
+
+ return;
+ }
+
+ if (!_active && !_pending_active) {
/* deliver silence */
- _io->silence (nframes);
- return;
+ silence (nframes);
+ goto out;
}
- _io->deliver_output (bufs, start_frame, end_frame, nframes);
- _io->collect_input (bufs, nframes);
+ _out->run (bufs, start_frame, end_frame, nframes, true);
+ _input->collect_input (bufs, nframes, ChanCount::ZERO);
+
+ out:
+ _active = _pending_active;
}
XMLNode&
XMLNode&
PortInsert::state (bool full)
{
- XMLNode& node = IOProcessor::state(full);
+ XMLNode& node = Processor::state(full);
char buf[32];
node.add_property ("type", "port");
snprintf (buf, sizeof (buf), "%" PRIu32, bitslot);
}
int
-PortInsert::set_state(const XMLNode& node)
+PortInsert::set_state (const XMLNode& node, int version)
{
XMLNodeList nlist = node.children();
XMLNodeIterator niter;
XMLPropertyList plist;
const XMLProperty *prop;
+ const XMLNode* insert_node = &node;
+
+ // legacy sessions: search for child IOProcessor node
+ for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
+ if ((*niter)->name() == "IOProcessor") {
+ insert_node = *niter;
+ break;
+ }
+ }
+
+ Processor::set_state (*insert_node, version);
+
if ((prop = node.property ("type")) == 0) {
error << _("XML node describing port insert is missing the `type' field") << endmsg;
return -1;
}
-
+
if (prop->value() != "port") {
error << _("non-port insert XML used for port plugin insert") << endmsg;
return -1;
if ((prop = node.property ("bitslot")) == 0) {
bitslot = _session.next_insert_id();
} else {
+ _session.unmark_insert_id (bitslot);
sscanf (prop->value().c_str(), "%" PRIu32, &bitslot);
_session.mark_insert_id (bitslot);
}
- const XMLNode* insert_node = &node;
-
- // legacy sessions: search for child IOProcessor node
- for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
- if ((*niter)->name() == "IOProcessor") {
- insert_node = *niter;
- break;
- }
- }
-
- IOProcessor::set_state (*insert_node);
-
return 0;
}
-ARDOUR::nframes_t
+ARDOUR::nframes_t
PortInsert::signal_latency() const
{
/* because we deliver and collect within the same cycle,
need to take that into account too.
*/
- return _session.engine().frames_per_cycle() + _io->input_latency();
+ if (_measured_latency == 0) {
+ return _session.engine().frames_per_cycle() + _input->signal_latency();
+ } else {
+ return _measured_latency;
+ }
}
bool
{
/* for an insert, processor input corresponds to IO output, and vice versa */
- if (_io->ensure_io (out, in, false, this) != 0) {
+ if (_input->ensure_io (in, false, this) != 0) {
+ return false;
+ }
+
+ if (_output->ensure_io (out, false, this) != 0) {
return false;
}
return true;
}
+bool
+PortInsert::set_name (const std::string& name)
+{
+ bool ret = Processor::set_name (name);
+
+ ret = (ret && _input->set_name (name) && _output->set_name (name));
+
+ return ret;
+}
+
+void
+PortInsert::activate ()
+{
+ IOProcessor::activate ();
+
+ _out->activate ();
+}
+
+void
+PortInsert::deactivate ()
+{
+ IOProcessor::deactivate ();
+
+ _out->deactivate ();
+}
projects / ardour.git / blobdiff