X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fport_insert.cc;h=7a484e2e675aed769eb5418bb4f1566b96853cc1;hb=66760a574a1fc0ccc8a798c2900a717c134838ea;hp=9d0d65ccd511abe4947622924c4e463538a499e5;hpb=0569107ddc0d2a8df6ca0a2c8cc16ebe8f3dee99;p=ardour.git diff --git a/libs/ardour/port_insert.cc b/libs/ardour/port_insert.cc index 9d0d65ccd5..7a484e2e67 100644 --- a/libs/ardour/port_insert.cc +++ b/libs/ardour/port_insert.cc @@ -1,5 +1,5 @@ /* - 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 @@ -19,18 +19,19 @@ #include -#include #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" @@ -40,52 +41,98 @@ 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), "") +PortInsert::PortInsert (Session& s, boost::shared_ptr 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& @@ -97,7 +144,7 @@ PortInsert::get_state(void) 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); @@ -107,18 +154,30 @@ PortInsert::state (bool full) } 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; @@ -127,26 +186,15 @@ PortInsert::set_state(const XMLNode& node) 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, @@ -156,7 +204,11 @@ PortInsert::signal_latency() const 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 @@ -164,7 +216,11 @@ PortInsert::configure_io (ChanCount in, ChanCount out) { /* 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; } @@ -178,3 +234,28 @@ PortInsert::can_support_io_configuration (const ChanCount& in, ChanCount& out) c 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 (); +}