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/*
Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/** @file src/sound_asset_writer.h
* @brief SoundAssetWriter class.
*/
#include "asset_writer.h"
#include "types.h"
#include <boost/shared_ptr.hpp>
#include <boost/filesystem.hpp>
namespace dcp {
class SoundFrame;
class SoundAsset;
/** @class SoundAssetWriter
* @brief A helper class for writing to SoundAssets.
*
* Objects of this class can only be created with SoundAsset::start_write().
*
* Sound samples can be written to the SoundAsset by calling write() with
* a buffer of float values. finalize() must be called after the last samples
* have been written.
*/
class SoundAssetWriter : public AssetWriter
{
public:
void write (float const * const *, int);
void finalize ();
private:
friend class SoundAsset;
SoundAssetWriter (SoundAsset *, boost::filesystem::path, Standard standard);
void write_current_frame ();
/* do this with an opaque pointer so we don't have to include
ASDCP headers
*/
struct ASDCPState;
boost::shared_ptr<ASDCPState> _state;
SoundAsset* _sound_asset;
int _frame_buffer_offset;
};
}
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