2 Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 /** @file src/sound_frame.cc
21 * @brief SoundFrame class.
24 #include "sound_frame.h"
25 #include "exceptions.h"
27 #include "KM_fileio.h"
32 SoundFrame::SoundFrame (boost::filesystem::path mxf_path, int n, ASDCP::AESDecContext* c)
34 ASDCP::PCM::MXFReader reader;
35 Kumu::Result_t r = reader.OpenRead (mxf_path.string().c_str());
36 if (ASDCP_FAILURE (r)) {
37 boost::throw_exception (FileError ("could not open MXF file for reading", mxf_path, r));
40 /* XXX: unfortunate guesswork on this buffer size */
41 _buffer = new ASDCP::PCM::FrameBuffer (1 * Kumu::Megabyte);
43 if (ASDCP_FAILURE (reader.ReadFrame (n, *_buffer, c))) {
44 boost::throw_exception (DCPReadError ("could not read audio frame"));
48 SoundFrame::~SoundFrame ()
54 SoundFrame::data () const
56 return _buffer->RoData();
60 SoundFrame::size () const
62 return _buffer->Size ();