2 Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
4 This file is part of libdcp.
6 libdcp 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 libdcp 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 libdcp. If not, see <http://www.gnu.org/licenses/>.
21 /** @file src/sound_frame.cc
22 * @brief SoundFrame class.
25 #include "sound_frame.h"
26 #include "exceptions.h"
28 #include "KM_fileio.h"
33 SoundFrame::SoundFrame (boost::filesystem::path path, int n, ASDCP::AESDecContext* c)
35 ASDCP::PCM::MXFReader reader;
36 Kumu::Result_t r = reader.OpenRead (path.string().c_str());
37 if (ASDCP_FAILURE (r)) {
38 boost::throw_exception (FileError ("could not open MXF file for reading", path, r));
41 /* XXX: unfortunate guesswork on this buffer size */
42 _buffer = new ASDCP::PCM::FrameBuffer (1 * Kumu::Megabyte);
44 if (ASDCP_FAILURE (reader.ReadFrame (n, *_buffer, c))) {
45 boost::throw_exception (DCPReadError ("could not read audio frame"));
49 SoundFrame::~SoundFrame ()
55 SoundFrame::data () const
57 return _buffer->RoData();
61 SoundFrame::size () const
63 return _buffer->Size ();