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livetrax/libs/evoral/src/Event.cpp
Carl Hetherington 5c23faaa0d Allow trim of midi regions to before the start of the source (better, this time). Fixes #3156.
git-svn-id: svn://localhost/ardour2/branches/3.0@8229 d708f5d6-7413-0410-9779-e7cbd77b26cf
2010-12-09 21:34:46 +00:00

114 lines
2.5 KiB
C++

/* This file is part of Evoral.
* Copyright (C) 2008 Dave Robillard <http://drobilla.net>
* Copyright (C) 2000-2008 Paul Davis
*
* Evoral is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* Evoral is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <glib.h>
#include "evoral/Event.hpp"
namespace Evoral {
static event_id_t _event_id_counter = 0;
event_id_t
event_id_counter()
{
return g_atomic_int_get (&_event_id_counter);
}
void
init_event_id_counter(event_id_t n)
{
g_atomic_int_set (&_event_id_counter, n);
}
event_id_t
next_event_id ()
{
return g_atomic_int_exchange_and_add (&_event_id_counter, 1);
}
#ifdef EVORAL_EVENT_ALLOC
template<typename Timestamp>
Event<Timestamp>::Event(EventType type, Timestamp time, uint32_t size, uint8_t* buf, bool alloc)
: _type(type)
, _original_time(time)
, _nominal_time(time)
, _size(size)
, _buf(buf)
, _owns_buf(alloc)
, _id (-1)
{
if (alloc) {
_buf = (uint8_t*)malloc(_size);
if (buf) {
memcpy(_buf, buf, _size);
} else {
memset(_buf, 0, _size);
}
}
}
template<typename Timestamp>
Event<Timestamp>::Event(const Event& copy, bool owns_buf)
: _type(copy._type)
, _original_time(copy._original_time)
, _nominal_time(copy._nominal_time)
, _size(copy._size)
, _buf(copy._buf)
, _owns_buf(owns_buf)
, _id (copy.id())
{
if (owns_buf) {
_buf = (uint8_t*)malloc(_size);
if (copy._buf) {
memcpy(_buf, copy._buf, _size);
} else {
memset(_buf, 0, _size);
}
}
}
template<typename Timestamp>
Event<Timestamp>::~Event() {
if (_owns_buf) {
free(_buf);
}
}
template<typename Timestamp>
void
Event<Timestamp>::set_time (Timestamp t)
{
_nominal_time = t;
}
template<typename Timestamp>
void
Event<Timestamp>::set_original_time (Timestamp t)
{
_original_time = t;
}
#endif // EVORAL_EVENT_ALLOC
template class Event<Evoral::MusicalTime>;
template class Event<int64_t>;
} // namespace Evoral