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