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/*
Copyright (C) 2016 Carl Hetherington <cth@carlh.net>
This file is part of libdcp.
libdcp 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.
libdcp 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 more details.
You should have received a copy of the GNU General Public License
along with libdcp. If not, see <http://www.gnu.org/licenses/>.
*/
#include "sound_asset_reader.h"
#include "sound_asset.h"
#include "sound_frame.h"
#include "exceptions.h"
#include "AS_DCP.h"
using boost::shared_ptr;
using namespace dcp;
SoundAssetReader::SoundAssetReader (SoundAsset const * asset)
: AssetReader (asset)
{
_reader = new ASDCP::PCM::MXFReader ();
Kumu::Result_t const r = _reader->OpenRead (asset->file().string().c_str());
if (ASDCP_FAILURE (r)) {
delete _reader;
boost::throw_exception (FileError ("could not open MXF file for reading", asset->file(), r));
}
}
SoundAssetReader::~SoundAssetReader ()
{
delete _reader;
}
shared_ptr<const SoundFrame>
SoundAssetReader::get_frame (int n) const
{
return shared_ptr<const SoundFrame> (new SoundFrame (_reader, n, _decryption_context));
}
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