X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fport_insert.cc;h=7427dda42ca632fc666815e3e75af427061302c3;hb=8c04457be14673385287def048c387b3953fa8e8;hp=06cbcecc383aa6ae98c7a76a22188c7fa942364d;hpb=b5af3bb8e313e13166cc54c60a14e5492e674065;p=ardour.git diff --git a/libs/ardour/port_insert.cc b/libs/ardour/port_insert.cc index 06cbcecc38..7427dda42c 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 @@ -19,86 +19,143 @@ #include -#include +#include "pbd/xml++.h" -#include -#include +#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 -#include -#include -#include -#include - -#include -#include -#include - -#include "i18n.h" +#include "pbd/i18n.h" using namespace std; using namespace ARDOUR; using namespace PBD; -PortInsert::PortInsert (Session& s, Placement p) - : IOProcessor (s, string_compose (_("insert %1"), (bitslot = s.next_insert_id()) + 1), p, 1, -1, 1, -1) +string +PortInsert::name_and_id_new_insert (Session& s, uint32_t& bitslot) +{ + bitslot = s.next_insert_id (); + return string_compose (_("insert %1"), bitslot+ 1); +} + +PortInsert::PortInsert (Session& s, boost::shared_ptr pannable, boost::shared_ptr 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)) { - init (); - ProcessorCreated (this); /* EMIT SIGNAL */ + _mtdm = 0; + _latency_detect = false; + _latency_flush_frames = 0; + _measured_latency = 0; } -PortInsert::PortInsert (const PortInsert& other) - : IOProcessor (other._session, string_compose (_("insert %1"), (bitslot = other._session.next_insert_id()) + 1), other.placement(), 1, -1, 1, -1) +PortInsert::~PortInsert () { - init (); - ProcessorCreated (this); /* EMIT SIGNAL */ + _session.unmark_insert_id (_bitslot); + delete _mtdm; } void -PortInsert::init () +PortInsert::set_pre_fader (bool p) { - if (_io->add_input_port ("", this)) { - error << _("PortInsert: cannot add input port") << endmsg; - throw failed_constructor(); - } - - if (_io->add_output_port ("", this)) { - error << _("PortInsert: cannot add output port") << endmsg; - throw failed_constructor(); - } + Processor::set_pre_fader (p); + _out->set_pre_fader (p); } -PortInsert::PortInsert (Session& s, const XMLNode& node) - : IOProcessor (s, "unnamed port insert", PreFader) +void +PortInsert::start_latency_detection () { - if (set_state (node)) { - throw failed_constructor(); - } + delete _mtdm; + _mtdm = new MTDM (_session.frame_rate()); + _latency_flush_frames = 0; + _latency_detect = true; + _measured_latency = 0; +} - ProcessorCreated (this); /* EMIT SIGNAL */ +void +PortInsert::stop_latency_detection () +{ + _latency_flush_frames = signal_latency() + _session.engine().samples_per_cycle(); + _latency_detect = false; } -PortInsert::~PortInsert () +void +PortInsert::set_measured_latency (framecnt_t n) { - GoingAway (); + _measured_latency = n; +} + +framecnt_t +PortInsert::latency() const +{ + /* 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 (BufferSet& bufs, nframes_t start_frame, nframes_t end_frame, nframes_t nframes, nframes_t offset) +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, offset); - return; + silence (nframes, start_frame); + goto out; } - _io->deliver_output(bufs, start_frame, end_frame, nframes, offset); + _out->run (bufs, start_frame, end_frame, speed, nframes, true); + _input->collect_input (bufs, nframes, ChanCount::ZERO); - _io->collect_input(bufs, nframes, offset); + out: + _active = _pending_active; } XMLNode& @@ -111,55 +168,67 @@ 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, @@ -169,78 +238,63 @@ 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().samples_per_cycle() + _input->signal_latency(); + } else { + return _measured_latency; + } } +/** Caller must hold process lock */ bool -PortInsert::can_support_input_configuration (ChanCount in) const +PortInsert::configure_io (ChanCount in, ChanCount out) { - if (_io->input_maximum() == ChanCount::INFINITE && _io->output_maximum() == ChanCount::INFINITE) { - - /* not configured yet */ +#ifndef PLATFORM_WINDOWS + assert (!AudioEngine::instance()->process_lock().trylock()); +#endif - return true; /* we can support anything the first time we're asked */ - - } else { + /* for an insert, processor input corresponds to IO output, and vice versa */ - /* the "input" config for a port insert corresponds to how - many output ports it will have. - */ - - if (_io->output_maximum() == in) { + if (_input->ensure_io (in, false, this) != 0) { + return false; + } - return true; - } + if (_output->ensure_io (out, false, this) != 0) { + return false; } - return false; + return Processor::configure_io (in, out); } -ChanCount -PortInsert::output_for_input_configuration (ChanCount in) const +bool +PortInsert::can_support_io_configuration (const ChanCount& in, ChanCount& out) { - return in; + out = in; + return true; } bool -PortInsert::configure_io (ChanCount in, ChanCount out) +PortInsert::set_name (const std::string& name) { - /* do not allow configuration to be changed outside the range of - the last request config. or something like that. - */ - + bool ret = Processor::set_name (name); - /* this is a bit odd: + ret = (ret && _input->set_name (name) && _output->set_name (name)); - the number of inputs we are required to handle corresponds - to the number of output ports we need. - - 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); - - bool success = (_io->ensure_io (out, in, false, this) == 0); - - if (success) - return Processor::configure_io(in, out); - else - return false; + return ret; } -ChanCount -PortInsert::output_streams() const +void +PortInsert::activate () { - return _io->n_inputs (); + IOProcessor::activate (); + + _out->activate (); } -ChanCount -PortInsert::input_streams() const +void +PortInsert::deactivate () { - return _io->n_outputs (); -} + IOProcessor::deactivate (); + _out->deactivate (); +}