/*
- 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/plugin.h"
-#include "ardour/port.h"
-#include "ardour/route.h"
-#include "ardour/buffer_set.h"
-
+#include "ardour/audio_port.h"
#include "ardour/audioengine.h"
+#include "ardour/delivery.h"
+#include "ardour/io.h"
+#include "ardour/mtdm.h"
+#include "ardour/port_insert.h"
#include "ardour/session.h"
#include "ardour/types.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
-PortInsert::PortInsert (Session& s)
- : IOProcessor (s, string_compose (_("insert %1"), (bitslot = s.next_insert_id()) + 1), "")
+string
+PortInsert::name_and_id_new_insert (Session& s, uint32_t& bitslot)
{
- init ();
- ProcessorCreated (this); /* EMIT SIGNAL */
+ bitslot = s.next_insert_id ();
+ return string_compose (_("insert %1"), bitslot+ 1);
}
-PortInsert::PortInsert (Session& s, const XMLNode& node)
- : IOProcessor (s, "unnamed port insert")
+PortInsert::PortInsert (Session& s, boost::shared_ptr<Pannable> pannable, boost::shared_ptr<MuteMaster> mm)
+ : IOProcessor (s, true, true, name_and_id_new_insert (s, _bitslot), "", DataType::AUDIO, true)
+ , _out (new Delivery (s, _output, pannable, mm, _name, Delivery::Insert))
{
- if (set_state (node)) {
- throw failed_constructor();
- }
-
- ProcessorCreated (this); /* EMIT SIGNAL */
+ _mtdm = 0;
+ _latency_detect = false;
+ _latency_flush_frames = 0;
+ _measured_latency = 0;
}
PortInsert::~PortInsert ()
{
- GoingAway ();
+ _session.unmark_insert_id (_bitslot);
+ delete _mtdm;
}
void
-PortInsert::init ()
+PortInsert::set_pre_fader (bool p)
+{
+ Processor::set_pre_fader (p);
+ _out->set_pre_fader (p);
+}
+
+void
+PortInsert::start_latency_detection ()
+{
+ delete _mtdm;
+ _mtdm = new MTDM (_session.frame_rate());
+ _latency_flush_frames = 0;
+ _latency_detect = true;
+ _measured_latency = 0;
+}
+
+void
+PortInsert::stop_latency_detection ()
+{
+ _latency_flush_frames = signal_latency() + _session.engine().samples_per_cycle();
+ _latency_detect = false;
+}
+
+void
+PortInsert::set_measured_latency (framecnt_t n)
+{
+ _measured_latency = n;
+}
+
+framecnt_t
+PortInsert::latency() const
{
- if (_io->ensure_io(output_streams(), input_streams(), false, this)) { // sic
- error << _("PortInsert: cannot create ports") << endmsg;
- throw failed_constructor();
+ /* because we deliver and collect within the same cycle,
+ all I/O is necessarily delayed by at least frames_per_cycle().
+
+ if the return port for insert has its own latency, we
+ need to take that into account too.
+ */
+
+ if (_measured_latency == 0) {
+ return _session.engine().samples_per_cycle() + _input->latency();
+ } else {
+ return _measured_latency;
}
}
void
-PortInsert::run_in_place (BufferSet& bufs, nframes_t start_frame, nframes_t end_frame, nframes_t nframes)
+PortInsert::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, double speed, pframes_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.set_written (true);
+ }
+
+ 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, start_frame);
+
+ 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, start_frame);
+ goto out;
}
- _io->deliver_output (bufs, start_frame, end_frame, nframes);
- _io->collect_input (bufs, nframes);
+ _out->run (bufs, start_frame, end_frame, speed, nframes, true);
+ _input->collect_input (bufs, nframes, ChanCount::ZERO);
+
+ out:
+ _active = _pending_active;
}
XMLNode&
PortInsert::state (bool full)
{
XMLNode& node = IOProcessor::state(full);
- char buf[32];
- node.add_property ("type", "port");
- snprintf (buf, sizeof (buf), "%" PRIu32, bitslot);
- node.add_property ("bitslot", buf);
+ node.set_property ("type", "port");
+ node.set_property ("bitslot", _bitslot);
+ node.set_property ("latency", _measured_latency);
+ node.set_property ("block-size", _session.get_block_size());
return node;
}
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;
- if ((prop = node.property ("type")) == 0) {
+ const XMLNode* insert_node = &node;
+
+ // legacy sessions: search for child Redirect node
+ for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
+ if ((*niter)->name() == "Redirect") {
+ insert_node = *niter;
+ break;
+ }
+ }
+
+ IOProcessor::set_state (*insert_node, version);
+
+ std::string type_str;
+ if (!node.get_property ("type", type_str)) {
error << _("XML node describing port insert is missing the `type' field") << endmsg;
return -1;
}
-
- if (prop->value() != "port") {
+
+ if (type_str != "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 {
- sscanf (prop->value().c_str(), "%" PRIu32, &bitslot);
- _session.mark_insert_id (bitslot);
- }
+ uint32_t blocksize = 0;
+ node.get_property ("block-size", blocksize);
- const XMLNode* insert_node = &node;
+ //if the jack period is the same as when the value was saved, we can recall our latency..
+ if ( (_session.get_block_size() == blocksize) ) {
+ node.get_property ("latency", _measured_latency);
+ }
- // legacy sessions: search for child IOProcessor node
- for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
- if ((*niter)->name() == "IOProcessor") {
- insert_node = *niter;
- break;
+ if (!node.property ("ignore-bitslot")) {
+ uint32_t bitslot;
+ if (node.get_property ("bitslot", bitslot)) {
+ _session.unmark_insert_id (_bitslot);
+ _bitslot = bitslot;
+ _session.mark_insert_id (_bitslot);
+ } else {
+ _bitslot = _session.next_insert_id();
}
}
-
- IOProcessor::set_state (*insert_node);
return 0;
}
-ARDOUR::nframes_t
+ARDOUR::framecnt_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().samples_per_cycle() + _input->signal_latency();
+ } else {
+ return _measured_latency;
+ }
}
+/** Caller must hold process lock */
bool
PortInsert::configure_io (ChanCount in, ChanCount out)
{
- /* do not allow configuration to be changed outside the range of
- the last request config. or something like that.
- */
-
- /* this is a bit odd:
+#ifndef PLATFORM_WINDOWS
+ assert (!AudioEngine::instance()->process_lock().trylock());
+#endif
- the number of inputs we are required to handle corresponds
- to the number of output ports we need.
+ /* for an insert, processor input corresponds to IO output, and vice versa */
- the number of outputs we are required to have corresponds
- to the number of input ports we need.
- */
-
- /*_io->set_output_maximum (in);
- _io->set_output_minimum (in);
- _io->set_input_maximum (out);
- _io->set_input_minimum (out);*/
+ if (_input->ensure_io (in, false, this) != 0) {
+ return false;
+ }
- if (_io->ensure_io (out, in, false, this) != 0) {
+ if (_output->ensure_io (out, false, this) != 0) {
return false;
}
return Processor::configure_io (in, out);
}
-ChanCount
-PortInsert::output_streams() const
+bool
+PortInsert::can_support_io_configuration (const ChanCount& in, ChanCount& out)
+{
+ out = in;
+ return true;
+}
+
+bool
+PortInsert::set_name (const std::string& name)
{
- return _io->n_inputs ();
+ bool ret = Processor::set_name (name);
+
+ ret = (ret && _input->set_name (name) && _output->set_name (name));
+
+ return ret;
}
-ChanCount
-PortInsert::input_streams() const
+void
+PortInsert::activate ()
{
- return _io->n_outputs ();
+ IOProcessor::activate ();
+
+ _out->activate ();
}
-bool
-PortInsert::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
+void
+PortInsert::deactivate ()
{
- out = in;
- return true;
+ IOProcessor::deactivate ();
+
+ _out->deactivate ();
}
projects / ardour.git / blobdiff