2 * This file is part of the PulseView project.
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
27 using boost::lock_guard;
28 using boost::recursive_mutex;
33 Snapshot::Snapshot(int unit_size) :
38 lock_guard<recursive_mutex> lock(_mutex);
39 assert(_unit_size > 0);
44 lock_guard<recursive_mutex> lock(_mutex);
48 uint64_t Snapshot::get_sample_count() const
50 lock_guard<recursive_mutex> lock(_mutex);
54 int Snapshot::unit_size() const
59 void Snapshot::append_data(void *data, uint64_t samples)
61 lock_guard<recursive_mutex> lock(_mutex);
62 _data = realloc(_data, (_sample_count + samples) * _unit_size +
64 memcpy((uint8_t*)_data + _sample_count * _unit_size,
65 data, samples * _unit_size);
66 _sample_count += samples;