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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.
*/
#ifndef LIBDCP_PICTURE_ASSET_H
#define LIBDCP_PICTURE_ASSET_H
/** @file src/picture_asset.h
* @brief PictureAsset class.
*/
#include "mxf.h"
#include "util.h"
#include "metadata.h"
#include <openjpeg.h>
namespace ASDCP {
namespace JP2K {
struct PictureDescriptor;
}
}
namespace dcp
{
class MonoPictureFrame;
class StereoPictureFrame;
class PictureAssetWriter;
/** @class PictureAsset
* @brief An asset made up of JPEG2000 data.
*/
class PictureAsset : public Asset, public MXF
{
public:
PictureAsset (boost::filesystem::path file);
PictureAsset (Fraction edit_rate);
virtual boost::shared_ptr<PictureAssetWriter> start_write (
boost::filesystem::path file,
Standard standard,
bool overwrite
) = 0;
Size size () const {
return _size;
}
void set_size (Size s) {
_size = s;
}
Fraction frame_rate () const {
return _frame_rate;
}
void set_frame_rate (Fraction r) {
_frame_rate = r;
}
Fraction screen_aspect_ratio () const {
return _screen_aspect_ratio;
}
void set_screen_aspect_ratio (Fraction r) {
_screen_aspect_ratio = r;
}
Fraction edit_rate () const {
return _edit_rate;
}
int64_t intrinsic_duration () const {
return _intrinsic_duration;
}
protected:
friend class MonoPictureAssetWriter;
friend class StereoPictureAssetWriter;
bool frame_buffer_equals (
int frame, EqualityOptions opt, NoteHandler note,
uint8_t const * data_A, unsigned int size_A, uint8_t const * data_B, unsigned int size_B
) const;
bool descriptor_equals (
ASDCP::JP2K::PictureDescriptor const & a,
ASDCP::JP2K::PictureDescriptor const & b,
NoteHandler note
) const;
void read_picture_descriptor (ASDCP::JP2K::PictureDescriptor 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;
/** picture size in pixels */
Size _size;
Fraction _frame_rate;
Fraction _screen_aspect_ratio;
private:
std::string pkl_type (Standard standard) const;
};
}
#endif
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