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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.h
* @brief SoundAsset class
*/
#ifndef LIBDCP_SOUND_ASSET_H
#define LIBDCP_SOUND_ASSET_H
#include "mxf.h"
#include "types.h"
#include "metadata.h"
namespace dcp
{
class SoundFrame;
class SoundAssetWriter;
/** @class SoundAsset
* @brief Representation of a sound asset
*/
class SoundAsset : public Asset, public MXF
{
public:
SoundAsset (boost::filesystem::path file);
SoundAsset (Fraction edit_rate, int sampling_rate, int channels);
boost::shared_ptr<SoundAssetWriter> start_write (boost::filesystem::path file, Standard standard);
bool equals (
boost::shared_ptr<const Asset> other,
EqualityOptions opt,
NoteHandler note
) const;
boost::shared_ptr<const SoundFrame> get_frame (int n) const;
/** @return number of channels */
int channels () const {
return _channels;
}
/** @return sampling rate in Hz */
int sampling_rate () const {
return _sampling_rate;
}
Fraction edit_rate () const {
return _edit_rate;
}
int64_t intrinsic_duration () const {
return _intrinsic_duration;
}
private:
friend class SoundAssetWriter;
std::string pkl_type (Standard standard) const;
Fraction _edit_rate;
/** The total length of this content in video frames. The amount of
* content presented may be less than this.
*/
int64_t _intrinsic_duration;
int _channels; ///< number of channels
int _sampling_rate; ///< sampling rate in Hz
};
}
#endif
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