513 lines
14 KiB
C++
513 lines
14 KiB
C++
/*
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* Copyright (C) 2002-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2005-2006 Jesse Chappell <jesse@essej.net>
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* Copyright (C) 2006-2009 Sampo Savolainen <v2@iki.fi>
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* Copyright (C) 2006-2014 David Robillard <d@drobilla.net>
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* Copyright (C) 2007-2012 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2013-2019 Robin Gareus <robin@gareus.org>
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* Copyright (C) 2015-2018 Ben Loftis <ben@harrisonconsoles.com>
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* Copyright (C) 2016 Tim Mayberry <mojofunk@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <boost/scoped_array.hpp>
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#include "pbd/enumwriter.h"
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#include "pbd/error.h"
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#include "evoral/Curve.h"
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#include "ardour/amp.h"
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#include "ardour/audio_buffer.h"
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#include "ardour/audio_track.h"
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#include "ardour/audioplaylist.h"
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#include "ardour/boost_debug.h"
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#include "ardour/buffer_set.h"
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#include "ardour/delivery.h"
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#include "ardour/disk_reader.h"
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#include "ardour/disk_writer.h"
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#include "ardour/meter.h"
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#include "ardour/monitor_control.h"
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#include "ardour/playlist_factory.h"
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#include "ardour/processor.h"
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#include "ardour/profile.h"
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#include "ardour/region.h"
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#include "ardour/region_factory.h"
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#include "ardour/session.h"
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#include "ardour/session_playlists.h"
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#include "ardour/source.h"
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#include "ardour/types_convert.h"
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#include "ardour/utils.h"
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#include "pbd/i18n.h"
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using namespace std;
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using namespace ARDOUR;
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using namespace PBD;
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AudioTrack::AudioTrack (Session& sess, string name, TrackMode mode)
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: Track (sess, name, PresentationInfo::AudioTrack, mode)
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{
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}
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AudioTrack::~AudioTrack ()
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{
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if (_freeze_record.playlist && !_session.deletion_in_progress()) {
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_freeze_record.playlist->release();
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}
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}
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MonitorState
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AudioTrack::get_auto_monitoring_state () const
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{
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/* This is an implementation of the truth table in doc/monitor_modes.pdf;
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I don't think it's ever going to be too pretty too look at.
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*/
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bool const roll = _session.transport_rolling ();
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bool const track_rec = _disk_writer->record_enabled ();
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bool const auto_input = _session.config.get_auto_input ();
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bool const software_monitor = Config->get_monitoring_model() == SoftwareMonitoring;
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bool const auto_input_does_talkback = Config->get_auto_input_does_talkback ();
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bool session_rec;
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/* I suspect that just use actively_recording() is good enough all the
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* time, but just to keep the semantics the same as they were before
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* sept 26th 2012, we differentiate between the cases where punch is
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* enabled and those where it is not.
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*
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* rg: sept 30 2017: Above is not the case: punch-in/out location is
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* global session playhead position.
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* When this method is called from process_output_buffers() we need
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* to use delay-compensated route's process-position.
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*
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* NB. Disk reader/writer may also be offset by a same amount of time.
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*
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* Also keep in mind that _session.transport_rolling() is false during
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* pre-roll but the disk already produces output.
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*
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* TODO: FIXME
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*/
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if (_session.config.get_punch_in() || _session.config.get_punch_out()) {
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session_rec = _session.actively_recording ();
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} else {
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session_rec = _session.get_record_enabled();
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}
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if (track_rec) {
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if (!session_rec && roll && auto_input) {
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return MonitoringDisk;
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} else {
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return software_monitor ? MonitoringInput : MonitoringSilence;
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}
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} else {
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if (auto_input_does_talkback) {
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if (!roll && auto_input) {
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return software_monitor ? MonitoringInput : MonitoringSilence;
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} else {
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return MonitoringDisk;
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}
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} else {
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return MonitoringDisk;
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}
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}
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abort(); /* NOTREACHED */
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return MonitoringSilence;
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}
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int
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AudioTrack::set_state (const XMLNode& node, int version)
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{
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if (!node.get_property (X_("mode"), _mode)) {
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_mode = Normal;
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}
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if (_mode == Destructive) {
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/* XXX warn user */
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_mode = Normal;
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}
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if (Track::set_state (node, version)) {
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return -1;
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}
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pending_state = const_cast<XMLNode*> (&node);
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if (_session.loading ()) {
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_session.StateReady.connect_same_thread (*this, boost::bind (&AudioTrack::set_state_part_two, this));
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} else {
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set_state_part_two ();
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}
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return 0;
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}
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XMLNode&
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AudioTrack::state (bool save_template)
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{
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XMLNode& root (Track::state (save_template));
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XMLNode* freeze_node;
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if (_freeze_record.playlist) {
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XMLNode* inode;
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freeze_node = new XMLNode (X_("freeze-info"));
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freeze_node->set_property ("playlist", _freeze_record.playlist->name());
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freeze_node->set_property ("state", _freeze_record.state);
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for (vector<FreezeRecordProcessorInfo*>::iterator i = _freeze_record.processor_info.begin(); i != _freeze_record.processor_info.end(); ++i) {
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inode = new XMLNode (X_("processor"));
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inode->set_property (X_ ("id"), (*i)->id.to_s ());
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inode->add_child_copy ((*i)->state);
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freeze_node->add_child_nocopy (*inode);
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}
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root.add_child_nocopy (*freeze_node);
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}
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root.set_property (X_("mode"), _mode);
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return root;
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}
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void
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AudioTrack::set_state_part_two ()
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{
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XMLNode* fnode;
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XMLProperty const * prop;
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/* This is called after all session state has been restored but before
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have been made ports and connections are established.
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*/
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if (pending_state == 0) {
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return;
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}
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if ((fnode = find_named_node (*pending_state, X_("freeze-info"))) != 0) {
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_freeze_record.state = Frozen;
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for (vector<FreezeRecordProcessorInfo*>::iterator i = _freeze_record.processor_info.begin(); i != _freeze_record.processor_info.end(); ++i) {
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delete *i;
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}
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_freeze_record.processor_info.clear ();
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if ((prop = fnode->property (X_("playlist"))) != 0) {
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boost::shared_ptr<Playlist> pl = _session.playlists()->by_name (prop->value());
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if (pl) {
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_freeze_record.playlist = boost::dynamic_pointer_cast<AudioPlaylist> (pl);
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_freeze_record.playlist->use();
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} else {
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_freeze_record.playlist.reset ();
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_freeze_record.state = NoFreeze;
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return;
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}
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}
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fnode->get_property (X_("state"), _freeze_record.state);
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XMLNodeConstIterator citer;
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XMLNodeList clist = fnode->children();
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for (citer = clist.begin(); citer != clist.end(); ++citer) {
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if ((*citer)->name() != X_("processor")) {
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continue;
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}
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if ((prop = (*citer)->property (X_("id"))) == 0) {
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continue;
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}
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FreezeRecordProcessorInfo* frii = new FreezeRecordProcessorInfo (*((*citer)->children().front()),
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boost::shared_ptr<Processor>());
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frii->id = prop->value ();
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_freeze_record.processor_info.push_back (frii);
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}
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}
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}
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int
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AudioTrack::export_stuff (BufferSet& buffers, samplepos_t start, samplecnt_t nframes,
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boost::shared_ptr<Processor> endpoint, bool include_endpoint, bool for_export, bool for_freeze)
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{
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boost::scoped_array<gain_t> gain_buffer (new gain_t[nframes]);
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boost::scoped_array<Sample> mix_buffer (new Sample[nframes]);
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Glib::Threads::RWLock::ReaderLock rlock (_processor_lock);
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boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(playlist());
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assert(apl);
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assert(buffers.count().n_audio() >= 1);
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assert ((samplecnt_t) buffers.get_audio(0).capacity() >= nframes);
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if (apl->read (buffers.get_audio(0).data(), mix_buffer.get(), gain_buffer.get(), start, nframes) != nframes) {
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return -1;
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}
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uint32_t n=1;
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Sample* b = buffers.get_audio(0).data();
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BufferSet::audio_iterator bi = buffers.audio_begin();
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++bi;
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for ( ; bi != buffers.audio_end(); ++bi, ++n) {
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if (n < _disk_reader->output_streams().n_audio()) {
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if (apl->read (bi->data(), mix_buffer.get(), gain_buffer.get(), start, nframes, n) != nframes) {
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return -1;
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}
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b = bi->data();
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} else {
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/* duplicate last across remaining buffers */
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memcpy (bi->data(), b, sizeof (Sample) * nframes);
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}
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}
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bounce_process (buffers, start, nframes, endpoint, include_endpoint, for_export, for_freeze);
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return 0;
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}
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bool
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AudioTrack::bounceable (boost::shared_ptr<Processor> endpoint, bool include_endpoint) const
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{
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if (!endpoint && !include_endpoint) {
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/* no processing - just read from the playlist and create new
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files: always possible.
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*/
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return true;
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}
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Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
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uint32_t naudio = n_inputs().n_audio();
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for (ProcessorList::const_iterator r = _processors.begin(); r != _processors.end(); ++r) {
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/* if we're not including the endpoint, potentially stop
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right here before we test matching i/o valences.
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*/
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if (!include_endpoint && (*r) == endpoint) {
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return true;
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}
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/* ignore any processors that do routing, because we will not
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* use them during a bounce/freeze/export operation.
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*/
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if ((*r)->does_routing()) {
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continue;
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}
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/* does the output from the last considered processor match the
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* input to this one?
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*/
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if (naudio != (*r)->input_streams().n_audio()) {
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return false;
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}
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/* we're including the endpoint - if we just hit it,
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then stop.
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*/
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if ((*r) == endpoint) {
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return true;
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}
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/* save outputs of this processor to test against inputs
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of the next one.
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*/
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naudio = (*r)->output_streams().n_audio();
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}
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return true;
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}
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boost::shared_ptr<Region>
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AudioTrack::bounce (InterThreadInfo& itt)
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{
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return bounce_range (_session.current_start_sample(), _session.current_end_sample(), itt, main_outs(), false);
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}
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boost::shared_ptr<Region>
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AudioTrack::bounce_range (samplepos_t start, samplepos_t end, InterThreadInfo& itt,
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boost::shared_ptr<Processor> endpoint, bool include_endpoint)
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{
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vector<boost::shared_ptr<Source> > srcs;
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return _session.write_one_track (*this, start, end, false, srcs, itt, endpoint, include_endpoint, false, false);
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}
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void
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AudioTrack::freeze_me (InterThreadInfo& itt)
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{
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vector<boost::shared_ptr<Source> > srcs;
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string new_playlist_name;
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boost::shared_ptr<Playlist> new_playlist;
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string dir;
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string region_name;
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if ((_freeze_record.playlist = boost::dynamic_pointer_cast<AudioPlaylist>(playlist())) == 0) {
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return;
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}
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uint32_t n = 1;
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while (n < (UINT_MAX-1)) {
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string candidate;
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candidate = string_compose ("<F%2>%1", _freeze_record.playlist->name(), n);
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if (_session.playlists()->by_name (candidate) == 0) {
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new_playlist_name = candidate;
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break;
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}
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++n;
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}
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if (n == (UINT_MAX-1)) {
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error << string_compose (X_("There are too many frozen versions of playlist \"%1\""
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" to create another one"), _freeze_record.playlist->name())
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<< endmsg;
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return;
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}
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boost::shared_ptr<Region> res;
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if ((res = _session.write_one_track (*this, _session.current_start_sample(), _session.current_end_sample(),
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true, srcs, itt, main_outs(), false, false, true)) == 0) {
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return;
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}
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_freeze_record.processor_info.clear ();
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{
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Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
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for (ProcessorList::iterator r = _processors.begin(); r != _processors.end(); ++r) {
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if (boost::dynamic_pointer_cast<PeakMeter>(*r)) {
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continue;
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}
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if (!can_freeze_processor (*r)) {
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break;
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}
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FreezeRecordProcessorInfo* frii = new FreezeRecordProcessorInfo ((*r)->get_state(), (*r));
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frii->id = (*r)->id();
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_freeze_record.processor_info.push_back (frii);
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/* now deactivate the processor, */
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if (!boost::dynamic_pointer_cast<Amp>(*r)) {
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(*r)->deactivate ();
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}
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_session.set_dirty ();
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}
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}
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new_playlist = PlaylistFactory::create (DataType::AUDIO, _session, new_playlist_name, false);
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/* XXX need main outs automation state _freeze_record.pan_automation_state = _mainpanner->automation_state(); */
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region_name = new_playlist_name;
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/* create a new region from all filesources, keep it private */
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PropertyList plist;
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plist.add (Properties::start, 0);
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plist.add (Properties::length, srcs[0]->length(srcs[0]->natural_position()));
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plist.add (Properties::name, region_name);
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plist.add (Properties::whole_file, true);
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boost::shared_ptr<Region> region (RegionFactory::create (srcs, plist, false));
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new_playlist->set_orig_track_id (id());
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new_playlist->add_region (region, _session.current_start_sample());
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new_playlist->set_frozen (true);
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region->set_locked (true);
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use_playlist (DataType::AUDIO, boost::dynamic_pointer_cast<AudioPlaylist>(new_playlist));
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_disk_writer->set_record_enabled (false);
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_freeze_record.playlist->use(); // prevent deletion
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/* reset stuff that has already been accounted for in the freeze process */
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gain_control()->set_value (GAIN_COEFF_UNITY, Controllable::NoGroup);
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gain_control()->set_automation_state (Off);
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/* XXX need to use _main_outs _panner->set_automation_state (Off); */
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_freeze_record.state = Frozen;
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FreezeChange(); /* EMIT SIGNAL */
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}
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void
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AudioTrack::unfreeze ()
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{
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if (_freeze_record.playlist) {
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_freeze_record.playlist->release();
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use_playlist (DataType::AUDIO, _freeze_record.playlist);
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{
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Glib::Threads::RWLock::ReaderLock lm (_processor_lock); // should this be a write lock? jlc
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for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
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for (vector<FreezeRecordProcessorInfo*>::iterator ii = _freeze_record.processor_info.begin(); ii != _freeze_record.processor_info.end(); ++ii) {
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if ((*ii)->id == (*i)->id()) {
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(*i)->set_state (((*ii)->state), Stateful::current_state_version);
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break;
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}
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}
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}
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}
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_freeze_record.playlist.reset ();
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/* XXX need to use _main_outs _panner->set_automation_state (_freeze_record.pan_automation_state); */
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}
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for (vector<FreezeRecordProcessorInfo*>::iterator ii = _freeze_record.processor_info.begin(); ii != _freeze_record.processor_info.end(); ++ii) {
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delete *ii;
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}
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_freeze_record.processor_info.clear ();
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_freeze_record.state = UnFrozen;
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FreezeChange (); /* EMIT SIGNAL */
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}
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boost::shared_ptr<AudioFileSource>
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AudioTrack::write_source (uint32_t n)
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{
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assert (_disk_writer);
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return _disk_writer->audio_write_source (n);
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}
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