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d752986314
- MIDI containing session saving and restoring (ie XML - Source, Region, Playlist; all but the actual .mid files) - Numerous little fixes for audio specific stuff to accomplish the above - Dirty hacks to accomplish the above - Profit!!! git-svn-id: svn://localhost/ardour2/branches/midi@821 d708f5d6-7413-0410-9779-e7cbd77b26cf
137 lines
2.5 KiB
C++
137 lines
2.5 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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$Id$
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*/
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#include <sys/stat.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <poll.h>
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#include <float.h>
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#include <cerrno>
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#include <ctime>
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#include <cmath>
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#include <iomanip>
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#include <algorithm>
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#include <glibmm/thread.h>
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#include <pbd/xml++.h>
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#include <pbd/pthread_utils.h>
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#include <ardour/source.h>
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#include "i18n.h"
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using std::min;
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using std::max;
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using namespace ARDOUR;
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sigc::signal<void,Source*> Source::SourceCreated;
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Source::Source (string name, DataType type)
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: _type(type)
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{
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_name = name;
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_use_cnt = 0;
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_timestamp = 0;
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}
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Source::Source (const XMLNode& node)
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: _type(DataType::AUDIO)
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{
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_use_cnt = 0;
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_timestamp = 0;
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if (set_state (node) || _type == DataType::NIL) {
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throw failed_constructor();
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}
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}
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Source::~Source ()
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{
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}
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XMLNode&
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Source::get_state ()
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{
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XMLNode *node = new XMLNode ("Source");
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char buf[64];
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node->add_property ("name", _name);
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node->add_property ("type", _type.to_string());
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_id.print (buf);
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node->add_property ("id", buf);
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if (_timestamp != 0) {
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snprintf (buf, sizeof (buf), "%ld", _timestamp);
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node->add_property ("timestamp", buf);
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}
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return *node;
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}
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int
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Source::set_state (const XMLNode& node)
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{
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const XMLProperty* prop;
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if ((prop = node.property ("name")) != 0) {
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_name = prop->value();
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} else {
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return -1;
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}
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if ((prop = node.property ("id")) != 0) {
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_id = prop->value ();
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} else {
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return -1;
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}
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if ((prop = node.property ("type")) != 0) {
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_type = DataType(prop->value());
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}
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if ((prop = node.property ("timestamp")) != 0) {
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sscanf (prop->value().c_str(), "%ld", &_timestamp);
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}
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return 0;
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}
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void
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Source::use ()
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{
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_use_cnt++;
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}
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void
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Source::release ()
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{
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if (_use_cnt) --_use_cnt;
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}
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void
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Source::update_length (jack_nframes_t pos, jack_nframes_t cnt)
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{
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if (pos + cnt > _length) {
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_length = pos+cnt;
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}
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}
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