940 lines
17 KiB
C++
940 lines
17 KiB
C++
/*
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Copyright (C) 2000 Paul Davis
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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 <algorithm>
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#include <set>
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#include <cstdio> /* for sprintf */
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#include <unistd.h>
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#include <cerrno>
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#include <ctime>
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#include <sigc++/bind.h>
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#include <pbd/stl_delete.h>
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#include <pbd/xml++.h>
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#include <pbd/enumwriter.h>
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#include <ardour/location.h>
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#include <ardour/session.h>
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#include <ardour/audiofilesource.h>
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#include "i18n.h"
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#define SUFFIX_MAX 32
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using namespace std;
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using namespace ARDOUR;
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using namespace sigc;
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using namespace PBD;
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Location::Location (const Location& other)
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: _name (other._name),
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_start (other._start),
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_end (other._end),
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_flags (other._flags)
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{
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/* start and end flags can never be copied, because there can only ever be one of each */
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_flags = Flags (_flags & ~IsStart);
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_flags = Flags (_flags & ~IsEnd);
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/* copy is not locked even if original was */
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_locked = false;
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}
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Location::Location (const XMLNode& node)
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{
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if (set_state (node)) {
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throw failed_constructor ();
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}
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}
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Location*
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Location::operator= (const Location& other)
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{
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if (this == &other) {
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return this;
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}
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_name = other._name;
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_start = other._start;
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_end = other._end;
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_flags = other._flags;
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/* copy is not locked even if original was */
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_locked = false;
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/* "changed" not emitted on purpose */
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return this;
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}
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int
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Location::set_start (nframes_t s)
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{
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if (_locked) {
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return -1;
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}
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if (is_mark()) {
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if (_start != s) {
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_start = s;
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_end = s;
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start_changed(this); /* EMIT SIGNAL */
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end_changed(this); /* EMIT SIGNAL */
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if ( is_start() ) {
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Session::StartTimeChanged (); /* EMIT SIGNAL */
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AudioFileSource::set_header_position_offset ( s );
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}
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if ( is_end() ) {
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Session::EndTimeChanged (); /* EMIT SIGNAL */
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}
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}
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return 0;
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}
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if (((is_auto_punch() || is_auto_loop()) && s >= _end) || s > _end) {
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return -1;
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}
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if (s != _start) {
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_start = s;
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start_changed(this); /* EMIT SIGNAL */
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}
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return 0;
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}
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int
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Location::set_end (nframes_t e)
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{
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if (_locked) {
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return -1;
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}
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if (is_mark()) {
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if (_start != e) {
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_start = e;
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_end = e;
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start_changed(this); /* EMIT SIGNAL */
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end_changed(this); /* EMIT SIGNAL */
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if ( is_start() ) {
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Session::StartTimeChanged (); /* EMIT SIGNAL */
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}
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if ( is_end() ) {
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Session::EndTimeChanged (); /* EMIT SIGNAL */
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}
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}
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return 0;
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}
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if (((is_auto_punch() || is_auto_loop()) && e <= _start) || e < _start) {
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return -1;
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}
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if (e != _end) {
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_end = e;
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end_changed(this); /* EMIT SIGNAL */
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}
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return 0;
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}
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int
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Location::set (nframes_t start, nframes_t end)
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{
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if (_locked) {
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return -1;
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}
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if (is_mark() && start != end) {
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return -1;
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} else if (((is_auto_punch() || is_auto_loop()) && start >= end) || (start > end)) {
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return -1;
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}
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if (_start != start) {
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_start = start;
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start_changed(this); /* EMIT SIGNAL */
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}
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if (_end != end) {
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_end = end;
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end_changed(this); /* EMIT SIGNAL */
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}
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return 0;
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}
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int
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Location::move_to (nframes_t pos)
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{
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if (_locked) {
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return -1;
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}
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if (_start != pos) {
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_start = pos;
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_end = _start + length();
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changed (this); /* EMIT SIGNAL */
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}
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return 0;
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}
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void
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Location::set_hidden (bool yn, void *src)
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{
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if (set_flag_internal (yn, IsHidden)) {
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FlagsChanged (this, src); /* EMIT SIGNAL */
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}
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}
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void
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Location::set_cd (bool yn, void *src)
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{
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// XXX this really needs to be session start
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// but its not available here - leave to GUI
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if (_start == 0) {
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error << _("You cannot put a CD marker at this position") << endmsg;
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return;
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}
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if (set_flag_internal (yn, IsCDMarker)) {
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FlagsChanged (this, src); /* EMIT SIGNAL */
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}
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}
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void
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Location::set_is_end (bool yn, void *src)
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{
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if (set_flag_internal (yn, IsEnd)) {
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FlagsChanged (this, src); /* EMIT SIGNAL */
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}
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}
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void
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Location::set_is_start (bool yn, void *src)
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{
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if (set_flag_internal (yn, IsStart)) {
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FlagsChanged (this, src); /* EMIT SIGNAL */
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}
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}
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void
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Location::set_auto_punch (bool yn, void *src)
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{
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if (is_mark() || _start == _end) {
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return;
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}
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if (set_flag_internal (yn, IsAutoPunch)) {
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FlagsChanged (this, src); /* EMIT SIGNAL */
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}
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}
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void
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Location::set_auto_loop (bool yn, void *src)
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{
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if (is_mark() || _start == _end) {
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return;
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}
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if (set_flag_internal (yn, IsAutoLoop)) {
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FlagsChanged (this, src); /* EMIT SIGNAL */
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}
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}
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bool
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Location::set_flag_internal (bool yn, Flags flag)
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{
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if (yn) {
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if (!(_flags & flag)) {
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_flags = Flags (_flags | flag);
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return true;
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}
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} else {
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if (_flags & flag) {
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_flags = Flags (_flags & ~flag);
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return true;
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}
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}
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return false;
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}
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void
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Location::set_mark (bool yn)
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{
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/* This function is private, and so does not emit signals */
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if (_start != _end) {
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return;
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}
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set_flag_internal (yn, IsMark);
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}
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XMLNode&
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Location::cd_info_node(const string & name, const string & value)
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{
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XMLNode* root = new XMLNode("CD-Info");
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root->add_property("name", name);
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root->add_property("value", value);
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return *root;
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}
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XMLNode&
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Location::get_state (void)
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{
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XMLNode *node = new XMLNode ("Location");
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char buf[64];
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typedef map<string, string>::const_iterator CI;
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for(CI m = cd_info.begin(); m != cd_info.end(); ++m){
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node->add_child_nocopy(cd_info_node(m->first, m->second));
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}
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id().print (buf, sizeof (buf));
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node->add_property("id", buf);
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node->add_property ("name", name());
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snprintf (buf, sizeof (buf), "%u", start());
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node->add_property ("start", buf);
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snprintf (buf, sizeof (buf), "%u", end());
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node->add_property ("end", buf);
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node->add_property ("flags", enum_2_string (_flags));
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node->add_property ("locked", (_locked ? "yes" : "no"));
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return *node;
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}
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int
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Location::set_state (const XMLNode& node)
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{
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const XMLProperty *prop;
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XMLNodeList cd_list = node.children();
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XMLNodeConstIterator cd_iter;
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XMLNode *cd_node;
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string cd_name;
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string cd_value;
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if (node.name() != "Location") {
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error << _("incorrect XML node passed to Location::set_state") << endmsg;
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return -1;
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}
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if ((prop = node.property ("id")) == 0) {
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warning << _("XML node for Location has no ID information") << endmsg;
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} else {
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_id = prop->value ();
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}
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if ((prop = node.property ("name")) == 0) {
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error << _("XML node for Location has no name information") << endmsg;
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return -1;
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}
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set_name (prop->value());
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if ((prop = node.property ("start")) == 0) {
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error << _("XML node for Location has no start information") << endmsg;
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return -1;
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}
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/* can't use set_start() here, because _end
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may make the value of _start illegal.
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*/
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_start = atoi (prop->value().c_str());
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if ((prop = node.property ("end")) == 0) {
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error << _("XML node for Location has no end information") << endmsg;
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return -1;
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}
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_end = atoi (prop->value().c_str());
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if ((prop = node.property ("flags")) == 0) {
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error << _("XML node for Location has no flags information") << endmsg;
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return -1;
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}
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_flags = Flags (string_2_enum (prop->value(), _flags));
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if ((prop = node.property ("locked")) != 0) {
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_locked = (prop->value() == "yes");
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} else {
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_locked = false;
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}
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for (cd_iter = cd_list.begin(); cd_iter != cd_list.end(); ++cd_iter) {
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cd_node = *cd_iter;
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if (cd_node->name() != "CD-Info") {
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continue;
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}
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if ((prop = cd_node->property ("name")) != 0) {
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cd_name = prop->value();
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} else {
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throw failed_constructor ();
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}
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if ((prop = cd_node->property ("value")) != 0) {
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cd_value = prop->value();
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} else {
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throw failed_constructor ();
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}
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cd_info[cd_name] = cd_value;
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}
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changed(this); /* EMIT SIGNAL */
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return 0;
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}
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/*---------------------------------------------------------------------- */
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Locations::Locations ()
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{
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current_location = 0;
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}
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Locations::~Locations ()
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{
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for (LocationList::iterator i = locations.begin(); i != locations.end(); ) {
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LocationList::iterator tmp = i;
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++tmp;
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delete *i;
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i = tmp;
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}
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}
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int
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Locations::set_current (Location *loc, bool want_lock)
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{
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int ret;
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if (want_lock) {
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Glib::Mutex::Lock lm (lock);
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ret = set_current_unlocked (loc);
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} else {
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ret = set_current_unlocked (loc);
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}
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if (ret == 0) {
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current_changed (current_location); /* EMIT SIGNAL */
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}
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return ret;
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}
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int
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Locations::next_available_name(string& result,string base)
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{
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LocationList::iterator i;
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Location* location;
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string temp;
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string::size_type l;
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int suffix;
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char buf[32];
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bool available[SUFFIX_MAX+1];
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result = base;
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for (int k=1; k<SUFFIX_MAX; k++) {
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available[k] = true;
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}
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l = base.length();
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for (i = locations.begin(); i != locations.end(); ++i) {
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location =* i;
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temp = location->name();
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if (l && !temp.find(base,0)) {
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suffix = atoi(temp.substr(l,3));
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if (suffix) available[suffix] = false;
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}
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}
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for (int k=1; k<=SUFFIX_MAX; k++) {
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if (available[k]) {
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snprintf (buf, 31, "%d", k);
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result += buf;
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return 1;
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}
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}
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return 0;
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}
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int
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Locations::set_current_unlocked (Location *loc)
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{
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if (find (locations.begin(), locations.end(), loc) == locations.end()) {
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error << _("Locations: attempt to use unknown location as selected location") << endmsg;
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return -1;
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}
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current_location = loc;
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return 0;
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}
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void
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Locations::clear ()
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{
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{
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Glib::Mutex::Lock lm (lock);
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for (LocationList::iterator i = locations.begin(); i != locations.end(); ) {
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LocationList::iterator tmp = i;
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++tmp;
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if (!(*i)->is_end() && !(*i)->is_start()) {
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locations.erase (i);
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}
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i = tmp;
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}
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current_location = 0;
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}
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changed (); /* EMIT SIGNAL */
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current_changed (0); /* EMIT SIGNAL */
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}
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void
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Locations::clear_markers ()
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{
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{
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Glib::Mutex::Lock lm (lock);
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LocationList::iterator tmp;
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for (LocationList::iterator i = locations.begin(); i != locations.end(); ) {
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tmp = i;
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++tmp;
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if ((*i)->is_mark() && !(*i)->is_end() && !(*i)->is_start()) {
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locations.erase (i);
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}
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i = tmp;
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}
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}
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changed (); /* EMIT SIGNAL */
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}
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void
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Locations::clear_ranges ()
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{
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{
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Glib::Mutex::Lock lm (lock);
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LocationList::iterator tmp;
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for (LocationList::iterator i = locations.begin(); i != locations.end(); ) {
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tmp = i;
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++tmp;
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if (!(*i)->is_mark()) {
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locations.erase (i);
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}
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i = tmp;
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}
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current_location = 0;
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}
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changed (); /* EMIT SIGNAL */
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current_changed (0); /* EMIT SIGNAL */
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}
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void
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Locations::add (Location *loc, bool make_current)
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{
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{
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Glib::Mutex::Lock lm (lock);
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locations.push_back (loc);
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if (make_current) {
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current_location = loc;
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}
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}
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added (loc); /* EMIT SIGNAL */
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if (make_current) {
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current_changed (current_location); /* EMIT SIGNAL */
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}
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}
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void
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Locations::remove (Location *loc)
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{
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bool was_removed = false;
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bool was_current = false;
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LocationList::iterator i;
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if (loc->is_end() || loc->is_start()) {
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return;
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}
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{
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Glib::Mutex::Lock lm (lock);
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for (i = locations.begin(); i != locations.end(); ++i) {
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if ((*i) == loc) {
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locations.erase (i);
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was_removed = true;
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if (current_location == loc) {
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current_location = 0;
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was_current = true;
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}
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break;
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}
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}
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}
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if (was_removed) {
|
|
|
|
removed (loc); /* EMIT SIGNAL */
|
|
|
|
if (was_current) {
|
|
current_changed (0); /* EMIT SIGNAL */
|
|
}
|
|
|
|
changed (); /* EMIT_SIGNAL */
|
|
}
|
|
}
|
|
|
|
void
|
|
Locations::location_changed (Location* loc)
|
|
{
|
|
changed (); /* EMIT SIGNAL */
|
|
}
|
|
|
|
XMLNode&
|
|
Locations::get_state ()
|
|
{
|
|
XMLNode *node = new XMLNode ("Locations");
|
|
LocationList::iterator iter;
|
|
Glib::Mutex::Lock lm (lock);
|
|
|
|
for (iter = locations.begin(); iter != locations.end(); ++iter) {
|
|
node->add_child_nocopy ((*iter)->get_state ());
|
|
}
|
|
|
|
return *node;
|
|
}
|
|
|
|
int
|
|
Locations::set_state (const XMLNode& node)
|
|
{
|
|
XMLNodeList nlist;
|
|
XMLNodeConstIterator niter;
|
|
|
|
if (node.name() != "Locations") {
|
|
error << _("incorrect XML mode passed to Locations::set_state") << endmsg;
|
|
return -1;
|
|
}
|
|
|
|
nlist = node.children();
|
|
|
|
locations.clear ();
|
|
current_location = 0;
|
|
|
|
{
|
|
Glib::Mutex::Lock lm (lock);
|
|
|
|
for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
|
|
|
|
try {
|
|
|
|
Location *loc = new Location (**niter);
|
|
locations.push_back (loc);
|
|
}
|
|
|
|
catch (failed_constructor& err) {
|
|
error << _("could not load location from session file - ignored") << endmsg;
|
|
}
|
|
}
|
|
|
|
if (locations.size()) {
|
|
|
|
current_location = locations.front();
|
|
} else {
|
|
current_location = 0;
|
|
}
|
|
}
|
|
|
|
changed (); /* EMIT SIGNAL */
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct LocationStartEarlierComparison
|
|
{
|
|
bool operator() (Location *a, Location *b) {
|
|
return a->start() < b->start();
|
|
}
|
|
};
|
|
|
|
struct LocationStartLaterComparison
|
|
{
|
|
bool operator() (Location *a, Location *b) {
|
|
return a->start() > b->start();
|
|
}
|
|
};
|
|
|
|
Location *
|
|
Locations::first_location_before (nframes_t frame, bool include_special_ranges)
|
|
{
|
|
LocationList locs;
|
|
|
|
{
|
|
Glib::Mutex::Lock lm (lock);
|
|
locs = locations;
|
|
}
|
|
|
|
LocationStartLaterComparison cmp;
|
|
locs.sort (cmp);
|
|
|
|
/* locs is now sorted latest..earliest */
|
|
|
|
for (LocationList::iterator i = locs.begin(); i != locs.end(); ++i) {
|
|
if (!include_special_ranges && ((*i)->is_auto_loop() || (*i)->is_auto_punch())) {
|
|
continue;
|
|
}
|
|
if (!(*i)->is_hidden() && (*i)->start() < frame) {
|
|
return (*i);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
Location *
|
|
Locations::first_location_after (nframes_t frame, bool include_special_ranges)
|
|
{
|
|
LocationList locs;
|
|
|
|
{
|
|
Glib::Mutex::Lock lm (lock);
|
|
locs = locations;
|
|
}
|
|
|
|
LocationStartEarlierComparison cmp;
|
|
locs.sort (cmp);
|
|
|
|
/* locs is now sorted earliest..latest */
|
|
|
|
for (LocationList::iterator i = locs.begin(); i != locs.end(); ++i) {
|
|
if (!include_special_ranges && ((*i)->is_auto_loop() || (*i)->is_auto_punch())) {
|
|
continue;
|
|
}
|
|
if (!(*i)->is_hidden() && (*i)->start() > frame) {
|
|
return (*i);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
nframes_t
|
|
Locations::first_mark_before (nframes_t frame, bool include_special_ranges)
|
|
{
|
|
LocationList locs;
|
|
|
|
{
|
|
Glib::Mutex::Lock lm (lock);
|
|
locs = locations;
|
|
}
|
|
|
|
LocationStartLaterComparison cmp;
|
|
locs.sort (cmp);
|
|
|
|
/* locs is now sorted latest..earliest */
|
|
|
|
for (LocationList::iterator i = locs.begin(); i != locs.end(); ++i) {
|
|
if (!include_special_ranges && ((*i)->is_auto_loop() || (*i)->is_auto_punch())) {
|
|
continue;
|
|
}
|
|
if (!(*i)->is_hidden()) {
|
|
if ((*i)->is_mark()) {
|
|
/* MARK: start == end */
|
|
if ((*i)->start() < frame) {
|
|
return (*i)->start();
|
|
}
|
|
} else {
|
|
/* RANGE: start != end, compare start and end */
|
|
if ((*i)->end() < frame) {
|
|
return (*i)->end();
|
|
}
|
|
if ((*i)->start () < frame) {
|
|
return (*i)->start();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
nframes_t
|
|
Locations::first_mark_after (nframes_t frame, bool include_special_ranges)
|
|
{
|
|
LocationList locs;
|
|
|
|
{
|
|
Glib::Mutex::Lock lm (lock);
|
|
locs = locations;
|
|
}
|
|
|
|
LocationStartEarlierComparison cmp;
|
|
locs.sort (cmp);
|
|
|
|
/* locs is now sorted earliest..latest */
|
|
|
|
for (LocationList::iterator i = locs.begin(); i != locs.end(); ++i) {
|
|
if (!include_special_ranges && ((*i)->is_auto_loop() || (*i)->is_auto_punch())) {
|
|
continue;
|
|
}
|
|
if (!(*i)->is_hidden()) {
|
|
if ((*i)->is_mark()) {
|
|
/* MARK, start == end so just compare start */
|
|
if ((*i)->start() > frame) {
|
|
return (*i)->start();
|
|
}
|
|
} else {
|
|
/* RANGE, start != end, compare start and end */
|
|
if ((*i)->start() > frame ) {
|
|
return (*i)->start ();
|
|
}
|
|
if ((*i)->end() > frame) {
|
|
return (*i)->end ();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return max_frames;
|
|
}
|
|
|
|
Location*
|
|
Locations::end_location () const
|
|
{
|
|
for (LocationList::const_iterator i = locations.begin(); i != locations.end(); ++i) {
|
|
if ((*i)->is_end()) {
|
|
return const_cast<Location*> (*i);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
Location*
|
|
Locations::start_location () const
|
|
{
|
|
for (LocationList::const_iterator i = locations.begin(); i != locations.end(); ++i) {
|
|
if ((*i)->is_start()) {
|
|
return const_cast<Location*> (*i);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
Location*
|
|
Locations::auto_loop_location () const
|
|
{
|
|
for (LocationList::const_iterator i = locations.begin(); i != locations.end(); ++i) {
|
|
if ((*i)->is_auto_loop()) {
|
|
return const_cast<Location*> (*i);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
Location*
|
|
Locations::auto_punch_location () const
|
|
{
|
|
for (LocationList::const_iterator i = locations.begin(); i != locations.end(); ++i) {
|
|
if ((*i)->is_auto_punch()) {
|
|
return const_cast<Location*> (*i);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
uint32_t
|
|
Locations::num_range_markers () const
|
|
{
|
|
uint32_t cnt = 0;
|
|
Glib::Mutex::Lock lm (lock);
|
|
for (LocationList::const_iterator i = locations.begin(); i != locations.end(); ++i) {
|
|
if ((*i)->is_range_marker()) {
|
|
++cnt;
|
|
}
|
|
}
|
|
return cnt;
|
|
}
|
|
|
|
Location *
|
|
Locations::get_location_by_id(PBD::ID id)
|
|
{
|
|
LocationList::iterator it;
|
|
for (it = locations.begin(); it != locations.end(); it++)
|
|
if (id == (*it)->id())
|
|
return *it;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
Locations::find_all_between (nframes64_t start, nframes64_t end, LocationList& ll, Location::Flags flags)
|
|
{
|
|
Glib::Mutex::Lock lm (lock);
|
|
|
|
for (LocationList::const_iterator i = locations.begin(); i != locations.end(); ++i) {
|
|
if ((flags == 0 || (*i)->matches (flags)) &&
|
|
((*i)->start() >= start && (*i)->end() < end)) {
|
|
ll.push_back (*i);
|
|
}
|
|
}
|
|
}
|