2008-06-02 17:41:35 -04:00
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/*
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2009-10-14 12:10:01 -04:00
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Copyright (C) 2000-2006 Paul Davis
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2008-06-02 17:41:35 -04:00
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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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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <fstream>
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#include <cassert>
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#include <cstdio>
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#include <unistd.h>
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#include <cmath>
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#include <cerrno>
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#include <string>
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#include <climits>
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#include <fcntl.h>
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#include <cstdlib>
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#include <ctime>
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#include <sys/stat.h>
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#include <sys/mman.h>
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2009-02-25 13:26:51 -05:00
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#include "pbd/error.h"
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#include "pbd/basename.h"
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2008-06-02 17:41:35 -04:00
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#include <glibmm/thread.h>
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2009-02-25 13:26:51 -05:00
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#include "pbd/xml++.h"
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#include "pbd/memento_command.h"
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2008-06-02 17:41:35 -04:00
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2009-02-25 13:26:51 -05:00
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#include "ardour/ardour.h"
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#include "ardour/audioengine.h"
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2009-11-25 09:37:20 -05:00
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#include "ardour/debug.h"
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2009-02-25 13:26:51 -05:00
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#include "ardour/diskstream.h"
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#include "ardour/utils.h"
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#include "ardour/configuration.h"
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#include "ardour/audiofilesource.h"
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#include "ardour/send.h"
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#include "ardour/playlist.h"
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#include "ardour/cycle_timer.h"
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#include "ardour/region.h"
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#include "ardour/panner.h"
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#include "ardour/session.h"
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#include "ardour/io.h"
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2010-04-21 16:42:22 -04:00
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#include "ardour/track.h"
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2008-06-02 17:41:35 -04:00
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#include "i18n.h"
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#include <locale.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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2010-03-31 21:24:13 -04:00
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/* XXX This goes uninitialized when there is no ~/.config/ardour3 directory.
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2008-06-02 17:41:35 -04:00
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* I can't figure out why, so this will do for now (just stole the
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* default from configuration_vars.h). 0 is not a good value for
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* allocating buffer sizes..
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*/
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ARDOUR::nframes_t Diskstream::disk_io_chunk_frames = 1024 * 256;
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2009-12-19 15:26:31 -05:00
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PBD::Signal0<void> Diskstream::DiskOverrun;
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PBD::Signal0<void> Diskstream::DiskUnderrun;
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2008-06-02 17:41:35 -04:00
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Diskstream::Diskstream (Session &sess, const string &name, Flag flag)
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: SessionObject(sess, name)
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2010-03-31 21:24:13 -04:00
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, i_am_the_modifier (0)
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2010-04-21 16:42:22 -04:00
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, _track (0)
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2010-03-31 21:24:13 -04:00
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, _record_enabled (0)
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, _visible_speed (1.0f)
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, _actual_speed (1.0f)
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, _buffer_reallocation_required (false)
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, _seek_required (false)
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, force_refill (false)
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, capture_start_frame (0)
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, capture_captured (0)
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, was_recording (false)
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, adjust_capture_position (0)
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, _capture_offset (0)
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, _roll_delay (0)
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, first_recordable_frame (max_frames)
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, last_recordable_frame (max_frames)
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, last_possibly_recording (0)
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, _alignment_style (ExistingMaterial)
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, _scrubbing (false)
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, _slaved (false)
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, loop_location (0)
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, overwrite_frame (0)
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, overwrite_offset (0)
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2010-04-21 16:42:22 -04:00
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, _pending_overwrite (false)
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2010-03-31 21:24:13 -04:00
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, overwrite_queued (false)
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, wrap_buffer_size (0)
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, speed_buffer_size (0)
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, _speed (1.0)
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, _target_speed (_speed)
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, file_frame (0)
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, playback_sample (0)
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, playback_distance (0)
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, _read_data_count (0)
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, _write_data_count (0)
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, in_set_state (false)
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, _persistent_alignment_style (ExistingMaterial)
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, first_input_change (true)
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, scrub_start (0)
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, scrub_buffer_size (0)
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, scrub_offset (0)
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, _flags (flag)
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2008-06-02 17:41:35 -04:00
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{
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}
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2009-10-14 12:10:01 -04:00
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2009-07-21 11:55:17 -04:00
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Diskstream::Diskstream (Session& sess, const XMLNode& /*node*/)
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2008-06-02 17:41:35 -04:00
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: SessionObject(sess, "unnamed diskstream")
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2010-03-31 21:24:13 -04:00
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, i_am_the_modifier (0)
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2010-04-21 16:42:22 -04:00
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, _track (0)
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2010-03-31 21:24:13 -04:00
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, _record_enabled (0)
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, _visible_speed (1.0f)
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, _actual_speed (1.0f)
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, _buffer_reallocation_required (false)
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, _seek_required (false)
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, force_refill (false)
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, capture_start_frame (0)
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, capture_captured (0)
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, was_recording (false)
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, adjust_capture_position (0)
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, _capture_offset (0)
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, _roll_delay (0)
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, first_recordable_frame (max_frames)
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, last_recordable_frame (max_frames)
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, last_possibly_recording (0)
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, _alignment_style (ExistingMaterial)
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, _scrubbing (false)
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, _slaved (false)
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, loop_location (0)
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, overwrite_frame (0)
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, overwrite_offset (0)
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2010-04-21 16:42:22 -04:00
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, _pending_overwrite (false)
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2010-03-31 21:24:13 -04:00
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, overwrite_queued (false)
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, wrap_buffer_size (0)
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, speed_buffer_size (0)
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, _speed (1.0)
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, _target_speed (_speed)
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, file_frame (0)
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, playback_sample (0)
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, playback_distance (0)
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, _read_data_count (0)
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, _write_data_count (0)
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, in_set_state (false)
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, _persistent_alignment_style (ExistingMaterial)
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, first_input_change (true)
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, scrub_start (0)
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, scrub_buffer_size (0)
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, scrub_offset (0)
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, _flags (Recordable)
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2008-06-02 17:41:35 -04:00
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{
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}
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Diskstream::~Diskstream ()
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{
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2009-11-25 09:37:20 -05:00
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DEBUG_TRACE (DEBUG::Destruction, string_compose ("Diskstream %1 deleted\n", _name));
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2009-11-27 19:49:04 -05:00
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if (_playlist) {
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_playlist->release ();
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}
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2008-06-02 17:41:35 -04:00
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}
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void
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2010-04-21 16:42:22 -04:00
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Diskstream::set_track (Track* t)
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2008-06-02 17:41:35 -04:00
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{
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2010-04-21 16:42:22 -04:00
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_track = t;
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_io = _track->input();
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2009-12-03 21:15:12 -05:00
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ic_connection.disconnect();
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2009-12-21 13:23:07 -05:00
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_io->changed.connect_same_thread (ic_connection, boost::bind (&Diskstream::handle_input_change, this, _1, _2));
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2009-12-03 21:15:12 -05:00
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2010-08-30 18:34:21 -04:00
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input_change_pending = IOChange::ConfigurationChanged;
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2009-06-09 16:21:19 -04:00
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non_realtime_input_change ();
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2008-06-02 17:41:35 -04:00
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set_align_style_from_io ();
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2009-06-26 13:56:35 -04:00
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2010-04-21 16:42:22 -04:00
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_track->Destroyed.connect_same_thread (*this, boost::bind (&Diskstream::route_going_away, this));
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2008-06-02 17:41:35 -04:00
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}
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void
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2009-07-21 11:55:17 -04:00
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Diskstream::handle_input_change (IOChange change, void * /*src*/)
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2008-06-02 17:41:35 -04:00
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{
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Glib::Mutex::Lock lm (state_lock);
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2010-08-30 18:34:21 -04:00
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if (!(input_change_pending.type & change.type)) {
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input_change_pending.type = IOChange::Type (input_change_pending.type | change.type);
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2008-06-02 17:41:35 -04:00
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_session.request_input_change_handling ();
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}
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}
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void
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Diskstream::non_realtime_set_speed ()
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{
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if (_buffer_reallocation_required)
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{
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Glib::Mutex::Lock lm (state_lock);
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allocate_temporary_buffers ();
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_buffer_reallocation_required = false;
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}
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if (_seek_required) {
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if (speed() != 1.0f || speed() != -1.0f) {
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seek ((nframes_t) (_session.transport_frame() * (double) speed()), true);
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}
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else {
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seek (_session.transport_frame(), true);
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}
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_seek_required = false;
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}
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}
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bool
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Diskstream::realtime_set_speed (double sp, bool global)
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{
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bool changed = false;
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double new_speed = sp * _session.transport_speed();
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2009-10-14 12:10:01 -04:00
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2008-06-02 17:41:35 -04:00
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if (_visible_speed != sp) {
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_visible_speed = sp;
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changed = true;
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}
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2009-10-14 12:10:01 -04:00
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2008-06-02 17:41:35 -04:00
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if (new_speed != _actual_speed) {
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2009-10-14 12:10:01 -04:00
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nframes_t required_wrap_size = (nframes_t) floor (_session.get_block_size() *
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2008-06-02 17:41:35 -04:00
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fabs (new_speed)) + 1;
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2009-10-14 12:10:01 -04:00
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2008-06-02 17:41:35 -04:00
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if (required_wrap_size > wrap_buffer_size) {
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_buffer_reallocation_required = true;
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}
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2009-10-14 12:10:01 -04:00
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2008-06-02 17:41:35 -04:00
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_actual_speed = new_speed;
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2009-06-09 20:03:47 -04:00
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_target_speed = fabs(_actual_speed);
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2008-06-02 17:41:35 -04:00
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}
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if (changed) {
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if (!global) {
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_seek_required = true;
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}
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SpeedChanged (); /* EMIT SIGNAL */
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}
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return _buffer_reallocation_required || _seek_required;
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}
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void
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Diskstream::set_capture_offset ()
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{
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if (_io == 0) {
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/* can't capture, so forget it */
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return;
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}
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2009-06-09 16:21:19 -04:00
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_capture_offset = _io->latency();
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2008-06-02 17:41:35 -04:00
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}
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void
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Diskstream::set_align_style (AlignStyle a)
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{
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if (record_enabled() && _session.actively_recording()) {
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return;
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}
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if (a != _alignment_style) {
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_alignment_style = a;
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AlignmentStyleChanged ();
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}
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}
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int
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Diskstream::set_loop (Location *location)
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{
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if (location) {
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if (location->start() >= location->end()) {
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error << string_compose(_("Location \"%1\" not valid for track loop (start >= end)"), location->name()) << endl;
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return -1;
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}
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}
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loop_location = location;
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LoopSet (location); /* EMIT SIGNAL */
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return 0;
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}
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ARDOUR::nframes_t
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Diskstream::get_capture_start_frame (uint32_t n)
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{
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Glib::Mutex::Lock lm (capture_info_lock);
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if (capture_info.size() > n) {
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return capture_info[n]->start;
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}
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else {
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return capture_start_frame;
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}
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}
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ARDOUR::nframes_t
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Diskstream::get_captured_frames (uint32_t n)
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{
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Glib::Mutex::Lock lm (capture_info_lock);
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if (capture_info.size() > n) {
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return capture_info[n]->frames;
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}
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2010-01-04 14:58:41 -05:00
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else {
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2008-06-02 17:41:35 -04:00
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return capture_captured;
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}
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}
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void
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Diskstream::set_roll_delay (ARDOUR::nframes_t nframes)
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{
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_roll_delay = nframes;
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}
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int
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Diskstream::use_playlist (boost::shared_ptr<Playlist> playlist)
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{
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2010-04-02 16:14:28 -04:00
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if (!playlist) {
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2010-04-02 17:11:01 -04:00
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return 0;
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2010-04-02 16:14:28 -04:00
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}
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2010-04-02 18:45:50 -04:00
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bool prior_playlist = false;
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2010-04-02 16:14:28 -04:00
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2008-06-02 17:41:35 -04:00
|
|
|
{
|
|
|
|
Glib::Mutex::Lock lm (state_lock);
|
|
|
|
|
|
|
|
if (playlist == _playlist) {
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-12-17 13:24:23 -05:00
|
|
|
playlist_connections.drop_connections ();
|
2008-06-02 17:41:35 -04:00
|
|
|
|
|
|
|
if (_playlist) {
|
|
|
|
_playlist->release();
|
2010-04-02 18:45:50 -04:00
|
|
|
prior_playlist = true;
|
2008-06-02 17:41:35 -04:00
|
|
|
}
|
2009-10-14 12:10:01 -04:00
|
|
|
|
2008-06-02 17:41:35 -04:00
|
|
|
_playlist = playlist;
|
|
|
|
_playlist->use();
|
|
|
|
|
|
|
|
if (!in_set_state && recordable()) {
|
|
|
|
reset_write_sources (false);
|
|
|
|
}
|
2009-10-14 12:10:01 -04:00
|
|
|
|
2010-01-25 15:34:09 -05:00
|
|
|
_playlist->ContentsChanged.connect_same_thread (playlist_connections, boost::bind (&Diskstream::playlist_modified, this));
|
2009-12-22 15:21:43 -05:00
|
|
|
_playlist->DropReferences.connect_same_thread (playlist_connections, boost::bind (&Diskstream::playlist_deleted, this, boost::weak_ptr<Playlist>(_playlist)));
|
2010-07-21 21:22:33 -04:00
|
|
|
_playlist->RangesMoved.connect_same_thread (playlist_connections, boost::bind (&Diskstream::playlist_ranges_moved, this, _1, _2));
|
2008-06-02 17:41:35 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
/* don't do this if we've already asked for it *or* if we are setting up
|
|
|
|
the diskstream for the very first time - the input changed handling will
|
|
|
|
take care of the buffer refill.
|
|
|
|
*/
|
|
|
|
|
2010-04-02 18:45:50 -04:00
|
|
|
if (!overwrite_queued && prior_playlist) {
|
2010-04-21 16:42:22 -04:00
|
|
|
_session.request_overwrite_buffer (_track);
|
2008-06-02 17:41:35 -04:00
|
|
|
overwrite_queued = true;
|
|
|
|
}
|
2009-10-14 12:10:01 -04:00
|
|
|
|
2008-06-02 17:41:35 -04:00
|
|
|
PlaylistChanged (); /* EMIT SIGNAL */
|
|
|
|
_session.set_dirty ();
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2010-02-19 13:09:08 -05:00
|
|
|
Diskstream::playlist_changed (const PropertyChange&)
|
2008-06-02 17:41:35 -04:00
|
|
|
{
|
|
|
|
playlist_modified ();
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
Diskstream::playlist_modified ()
|
|
|
|
{
|
|
|
|
if (!i_am_the_modifier && !overwrite_queued) {
|
2010-04-21 16:42:22 -04:00
|
|
|
_session.request_overwrite_buffer (_track);
|
2008-06-02 17:41:35 -04:00
|
|
|
overwrite_queued = true;
|
2009-10-14 12:10:01 -04:00
|
|
|
}
|
2008-06-02 17:41:35 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
Diskstream::playlist_deleted (boost::weak_ptr<Playlist> wpl)
|
|
|
|
{
|
|
|
|
boost::shared_ptr<Playlist> pl (wpl.lock());
|
|
|
|
|
|
|
|
if (pl == _playlist) {
|
|
|
|
|
2009-10-14 12:10:01 -04:00
|
|
|
/* this catches an ordering issue with session destruction. playlists
|
2008-06-02 17:41:35 -04:00
|
|
|
are destroyed before diskstreams. we have to invalidate any handles
|
|
|
|
we have to the playlist.
|
|
|
|
*/
|
2009-10-14 12:10:01 -04:00
|
|
|
|
2008-06-02 17:41:35 -04:00
|
|
|
if (_playlist) {
|
|
|
|
_playlist.reset ();
|
2009-10-14 12:10:01 -04:00
|
|
|
}
|
2008-06-02 17:41:35 -04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
bool
|
|
|
|
Diskstream::set_name (const string& str)
|
|
|
|
{
|
2010-02-11 12:08:34 -05:00
|
|
|
if (_name != str) {
|
2008-06-02 17:41:35 -04:00
|
|
|
assert(playlist());
|
|
|
|
playlist()->set_name (str);
|
2009-10-14 12:10:01 -04:00
|
|
|
|
2008-06-02 17:41:35 -04:00
|
|
|
SessionObject::set_name(str);
|
2009-10-14 12:10:01 -04:00
|
|
|
|
2008-06-02 17:41:35 -04:00
|
|
|
if (!in_set_state && recordable()) {
|
|
|
|
/* rename existing capture files so that they have the correct name */
|
|
|
|
return rename_write_sources ();
|
|
|
|
} else {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
2008-12-16 18:21:01 -05:00
|
|
|
void
|
2010-07-21 21:22:33 -04:00
|
|
|
Diskstream::playlist_ranges_moved (list< Evoral::RangeMove<framepos_t> > const & movements_frames, bool from_undo)
|
2008-12-16 18:21:01 -05:00
|
|
|
{
|
2010-07-21 21:22:33 -04:00
|
|
|
/* If we're coming from an undo, it will have handled
|
|
|
|
automation undo (it must, since automation-follows-regions
|
|
|
|
can lose automation data). Hence we can do nothing here.
|
|
|
|
*/
|
|
|
|
|
|
|
|
if (from_undo) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2010-04-21 16:42:22 -04:00
|
|
|
if (!_track || Config->get_automation_follows_regions () == false) {
|
2008-12-16 18:21:01 -05:00
|
|
|
return;
|
|
|
|
}
|
2009-06-26 15:44:32 -04:00
|
|
|
|
2009-02-01 21:36:05 -05:00
|
|
|
list< Evoral::RangeMove<double> > movements;
|
2009-06-26 15:44:32 -04:00
|
|
|
|
2010-02-18 08:59:49 -05:00
|
|
|
for (list< Evoral::RangeMove<framepos_t> >::const_iterator i = movements_frames.begin();
|
2009-06-26 15:44:32 -04:00
|
|
|
i != movements_frames.end();
|
|
|
|
++i) {
|
|
|
|
|
2009-02-01 21:36:05 -05:00
|
|
|
movements.push_back(Evoral::RangeMove<double>(i->from, i->length, i->to));
|
|
|
|
}
|
2009-10-14 12:10:01 -04:00
|
|
|
|
2008-12-16 18:21:01 -05:00
|
|
|
/* move panner automation */
|
2010-04-21 16:42:22 -04:00
|
|
|
boost::shared_ptr<Panner> p = _track->main_outs()->panner ();
|
The great audio processing overhaul.
The vast majority of Route signal processing is now simply in the list of
processors. There are definitely regressions here, but there's also
a lot of things fixed. It's far too much work to let diverge anymore
regardless, so here it is.
The basic model is: A route has a fixed set of input channels (matching
its JACK input ports and diskstream). The first processor takes this
as input. The next processor is configured using the first processor's
output as input, and is allowed to choose whatever output it wants
given that input... and so on, and so on. Finally, the last processor's
requested output is used to set up the panner and create whatever Jack
ports are needed to output the data.
All 'special' internal processors (meter, fader, amp, insert, send) are
currently transparent: they read any input, and return the same set
of channels back (unmodified, except for amp).
User visible changes:
* LV2 Instrument support (tracks with both MIDI and audio channels)
* MIDI in/out plugin support
* Generic plugin replication (for MIDI plugins, MIDI/audio plugins)
* Movable meter point
Known Bugs:
* Things seem to get weird on loaded sessions
* Output delivery is sketchy
* 2.0 session loading was probably already broken...
but it's definitely broken now :)
Please test this and file bugs if you have any time...
git-svn-id: svn://localhost/ardour2/branches/3.0@5055 d708f5d6-7413-0410-9779-e7cbd77b26cf
2009-05-07 02:30:50 -04:00
|
|
|
if (p) {
|
|
|
|
for (uint32_t i = 0; i < p->npanners (); ++i) {
|
|
|
|
boost::shared_ptr<AutomationList> pan_alist = p->streampanner(i).pan_control()->alist();
|
|
|
|
XMLNode & before = pan_alist->get_state ();
|
2010-08-20 19:58:49 -04:00
|
|
|
bool const things_moved = pan_alist->move_ranges (movements);
|
|
|
|
if (things_moved) {
|
|
|
|
_session.add_command (new MementoCommand<AutomationList> (
|
|
|
|
*pan_alist.get(), &before, &pan_alist->get_state ()));
|
|
|
|
}
|
The great audio processing overhaul.
The vast majority of Route signal processing is now simply in the list of
processors. There are definitely regressions here, but there's also
a lot of things fixed. It's far too much work to let diverge anymore
regardless, so here it is.
The basic model is: A route has a fixed set of input channels (matching
its JACK input ports and diskstream). The first processor takes this
as input. The next processor is configured using the first processor's
output as input, and is allowed to choose whatever output it wants
given that input... and so on, and so on. Finally, the last processor's
requested output is used to set up the panner and create whatever Jack
ports are needed to output the data.
All 'special' internal processors (meter, fader, amp, insert, send) are
currently transparent: they read any input, and return the same set
of channels back (unmodified, except for amp).
User visible changes:
* LV2 Instrument support (tracks with both MIDI and audio channels)
* MIDI in/out plugin support
* Generic plugin replication (for MIDI plugins, MIDI/audio plugins)
* Movable meter point
Known Bugs:
* Things seem to get weird on loaded sessions
* Output delivery is sketchy
* 2.0 session loading was probably already broken...
but it's definitely broken now :)
Please test this and file bugs if you have any time...
git-svn-id: svn://localhost/ardour2/branches/3.0@5055 d708f5d6-7413-0410-9779-e7cbd77b26cf
2009-05-07 02:30:50 -04:00
|
|
|
}
|
2008-12-16 18:21:01 -05:00
|
|
|
}
|
|
|
|
|
|
|
|
/* move processor automation */
|
2010-04-21 16:42:22 -04:00
|
|
|
_track->foreach_processor (boost::bind (&Diskstream::move_processor_automation, this, _1, movements_frames));
|
2008-12-16 18:21:01 -05:00
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2010-02-18 08:59:49 -05:00
|
|
|
Diskstream::move_processor_automation (boost::weak_ptr<Processor> p, list< Evoral::RangeMove<framepos_t> > const & movements_frames)
|
2008-12-16 18:21:01 -05:00
|
|
|
{
|
|
|
|
boost::shared_ptr<Processor> processor (p.lock ());
|
|
|
|
if (!processor) {
|
|
|
|
return;
|
|
|
|
}
|
2009-10-14 12:10:01 -04:00
|
|
|
|
2009-02-01 21:36:05 -05:00
|
|
|
list< Evoral::RangeMove<double> > movements;
|
2010-08-20 19:58:49 -04:00
|
|
|
for (list< Evoral::RangeMove<framepos_t> >::const_iterator i = movements_frames.begin(); i != movements_frames.end(); ++i) {
|
2009-02-01 21:36:05 -05:00
|
|
|
movements.push_back(Evoral::RangeMove<double>(i->from, i->length, i->to));
|
|
|
|
}
|
2009-10-14 12:10:01 -04:00
|
|
|
|
2008-12-16 18:21:01 -05:00
|
|
|
set<Evoral::Parameter> const a = processor->what_can_be_automated ();
|
|
|
|
|
|
|
|
for (set<Evoral::Parameter>::iterator i = a.begin (); i != a.end (); ++i) {
|
|
|
|
boost::shared_ptr<AutomationList> al = processor->automation_control(*i)->alist();
|
|
|
|
XMLNode & before = al->get_state ();
|
2010-08-20 19:58:49 -04:00
|
|
|
bool const things_moved = al->move_ranges (movements);
|
|
|
|
if (things_moved) {
|
|
|
|
_session.add_command (
|
|
|
|
new MementoCommand<AutomationList> (
|
|
|
|
*al.get(), &before, &al->get_state ()
|
|
|
|
)
|
|
|
|
);
|
|
|
|
}
|
2008-12-16 18:21:01 -05:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2009-10-19 22:01:26 -04:00
|
|
|
void
|
|
|
|
Diskstream::check_record_status (nframes_t transport_frame, nframes_t /*nframes*/, bool can_record)
|
|
|
|
{
|
|
|
|
int possibly_recording;
|
|
|
|
int rolling;
|
|
|
|
int change;
|
|
|
|
const int transport_rolling = 0x4;
|
|
|
|
const int track_rec_enabled = 0x2;
|
|
|
|
const int global_rec_enabled = 0x1;
|
2010-04-12 18:35:06 -04:00
|
|
|
const int fully_rec_enabled = (transport_rolling|track_rec_enabled|global_rec_enabled);
|
2009-10-19 22:01:26 -04:00
|
|
|
|
|
|
|
/* merge together the 3 factors that affect record status, and compute
|
|
|
|
what has changed.
|
|
|
|
*/
|
|
|
|
|
|
|
|
rolling = _session.transport_speed() != 0.0f;
|
|
|
|
possibly_recording = (rolling << 2) | (record_enabled() << 1) | can_record;
|
|
|
|
change = possibly_recording ^ last_possibly_recording;
|
|
|
|
|
|
|
|
if (possibly_recording == last_possibly_recording) {
|
|
|
|
return;
|
|
|
|
}
|
2010-04-12 18:35:06 -04:00
|
|
|
if (possibly_recording == fully_rec_enabled) {
|
2009-10-19 22:01:26 -04:00
|
|
|
|
2010-04-12 18:35:06 -04:00
|
|
|
if (last_possibly_recording == fully_rec_enabled) {
|
|
|
|
return;
|
|
|
|
}
|
2009-10-19 22:01:26 -04:00
|
|
|
|
2010-04-12 18:35:06 -04:00
|
|
|
/* we transitioned to recording. lets see if its transport based or a punch */
|
|
|
|
|
2009-10-19 22:01:26 -04:00
|
|
|
first_recordable_frame = transport_frame + _capture_offset;
|
|
|
|
last_recordable_frame = max_frames;
|
|
|
|
capture_start_frame = transport_frame;
|
|
|
|
|
2010-04-12 18:35:06 -04:00
|
|
|
if (change & transport_rolling) {
|
2009-10-19 22:01:26 -04:00
|
|
|
|
2010-04-12 18:35:06 -04:00
|
|
|
/* transport-change (started rolling) */
|
|
|
|
|
2009-10-19 22:01:26 -04:00
|
|
|
if (_alignment_style == ExistingMaterial) {
|
2010-04-12 18:35:06 -04:00
|
|
|
|
|
|
|
/* there are two delays happening:
|
|
|
|
|
|
|
|
1) inbound, represented by _capture_offset
|
|
|
|
2) outbound, represented by _session.worst_output_latency()
|
|
|
|
|
|
|
|
the first sample to record occurs when the larger of these
|
|
|
|
two has elapsed, since they occur in parallel.
|
|
|
|
|
|
|
|
since we've already added _capture_offset, just add the
|
|
|
|
difference if _session.worst_output_latency() is larger.
|
|
|
|
*/
|
|
|
|
|
|
|
|
if (_capture_offset < _session.worst_output_latency()) {
|
|
|
|
first_recordable_frame += (_session.worst_output_latency() - _capture_offset);
|
|
|
|
}
|
|
|
|
} else {
|
2009-10-19 22:01:26 -04:00
|
|
|
first_recordable_frame += _roll_delay;
|
2010-04-12 18:35:06 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
} else {
|
2009-10-19 22:01:26 -04:00
|
|
|
|
2010-04-12 18:35:06 -04:00
|
|
|
/* punch in */
|
2009-10-19 22:01:26 -04:00
|
|
|
|
|
|
|
if (_alignment_style == ExistingMaterial) {
|
|
|
|
|
2010-04-12 18:35:06 -04:00
|
|
|
/* There are two kinds of punch:
|
|
|
|
|
|
|
|
manual punch in happens at the correct transport frame
|
|
|
|
because the user hit a button. but to get alignment correct
|
|
|
|
we have to back up the position of the new region to the
|
|
|
|
appropriate spot given the roll delay.
|
|
|
|
|
|
|
|
autopunch toggles recording at the precise
|
2010-01-04 14:58:41 -05:00
|
|
|
transport frame, and then the DS waits
|
|
|
|
to start recording for a time that depends
|
|
|
|
on the output latency.
|
2009-10-19 22:01:26 -04:00
|
|
|
|
2010-04-12 18:35:06 -04:00
|
|
|
XXX: BUT THIS CODE DOESN'T DIFFERENTIATE !!!
|
2009-10-19 22:01:26 -04:00
|
|
|
|
2010-04-12 18:35:06 -04:00
|
|
|
*/
|
2009-10-19 22:01:26 -04:00
|
|
|
|
2010-04-12 18:35:06 -04:00
|
|
|
if (_capture_offset < _session.worst_output_latency()) {
|
|
|
|
/* see comment in ExistingMaterial block above */
|
|
|
|
first_recordable_frame += (_session.worst_output_latency() - _capture_offset);
|
|
|
|
}
|
2009-10-19 22:01:26 -04:00
|
|
|
|
2010-04-12 18:35:06 -04:00
|
|
|
} else {
|
|
|
|
capture_start_frame -= _roll_delay;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
prepare_record_status (capture_start_frame);
|
|
|
|
|
|
|
|
} else {
|
|
|
|
|
|
|
|
if (last_possibly_recording == fully_rec_enabled) {
|
|
|
|
|
|
|
|
/* we were recording last time */
|
|
|
|
|
|
|
|
if (change & transport_rolling) {
|
|
|
|
/* transport-change (stopped rolling): last_recordable_frame was set in ::prepare_to_stop() */
|
|
|
|
|
|
|
|
} else {
|
|
|
|
/* punch out */
|
|
|
|
|
|
|
|
last_recordable_frame = transport_frame + _capture_offset;
|
|
|
|
|
|
|
|
if (_alignment_style == ExistingMaterial) {
|
|
|
|
if (_session.worst_output_latency() > _capture_offset) {
|
|
|
|
last_recordable_frame += (_session.worst_output_latency() - _capture_offset);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
last_recordable_frame += _roll_delay;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2009-10-19 22:01:26 -04:00
|
|
|
|
|
|
|
last_possibly_recording = possibly_recording;
|
|
|
|
}
|
|
|
|
|
2009-06-26 13:56:35 -04:00
|
|
|
void
|
|
|
|
Diskstream::route_going_away ()
|
|
|
|
{
|
|
|
|
_io.reset ();
|
|
|
|
}
|
2009-10-19 22:14:53 -04:00
|
|
|
|
|
|
|
void
|
|
|
|
Diskstream::calculate_record_range(OverlapType ot, sframes_t transport_frame, nframes_t nframes,
|
2009-10-30 14:14:25 -04:00
|
|
|
nframes_t& rec_nframes, nframes_t& rec_offset)
|
2009-10-19 22:14:53 -04:00
|
|
|
{
|
|
|
|
switch (ot) {
|
|
|
|
case OverlapNone:
|
|
|
|
rec_nframes = 0;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case OverlapInternal:
|
|
|
|
/* ---------- recrange
|
|
|
|
|---| transrange
|
|
|
|
*/
|
|
|
|
rec_nframes = nframes;
|
|
|
|
rec_offset = 0;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case OverlapStart:
|
|
|
|
/* |--------| recrange
|
|
|
|
-----| transrange
|
|
|
|
*/
|
|
|
|
rec_nframes = transport_frame + nframes - first_recordable_frame;
|
|
|
|
if (rec_nframes) {
|
|
|
|
rec_offset = first_recordable_frame - transport_frame;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case OverlapEnd:
|
|
|
|
/* |--------| recrange
|
|
|
|
|-------- transrange
|
|
|
|
*/
|
|
|
|
rec_nframes = last_recordable_frame - transport_frame;
|
|
|
|
rec_offset = 0;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case OverlapExternal:
|
|
|
|
/* |--------| recrange
|
|
|
|
-------------- transrange
|
|
|
|
*/
|
|
|
|
rec_nframes = last_recordable_frame - first_recordable_frame;
|
|
|
|
rec_offset = first_recordable_frame - transport_frame;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
2010-04-12 18:35:06 -04:00
|
|
|
|
|
|
|
void
|
|
|
|
Diskstream::prepare_to_stop (framepos_t pos)
|
|
|
|
{
|
|
|
|
last_recordable_frame = pos + _capture_offset;
|
|
|
|
}
|