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/*
Copyright (C) 2012-2019 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic 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.
DCP-o-matic 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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include "types.h"
#include "dcpomatic_time.h"
#include "referenced_reel_asset.h"
#include "player_text.h"
#include "dcp_text_track.h"
#include <dcp/picture_asset_writer.h>
#include <boost/shared_ptr.hpp>
#include <boost/weak_ptr.hpp>
namespace dcpomatic {
class Font;
}
class Film;
class Job;
class AudioBuffers;
class InfoFileHandle;
struct write_frame_info_test;
namespace dcp {
class MonoPictureAsset;
class MonoPictureAssetWriter;
class StereoPictureAsset;
class StereoPictureAssetWriter;
class PictureAsset;
class PictureAssetWriter;
class SoundAsset;
class SoundAssetWriter;
class SubtitleAsset;
class ReelAsset;
class Reel;
}
class ReelWriter
{
public:
ReelWriter (
boost::shared_ptr<const Film> film,
dcpomatic::DCPTimePeriod period,
boost::shared_ptr<Job> job,
int reel_index,
int reel_count,
boost::optional<std::string> content_summary
);
void write (boost::optional<dcp::Data> encoded, Frame frame, Eyes eyes);
void fake_write (Frame frame, Eyes eyes, int size);
void repeat_write (Frame frame, Eyes eyes);
void write (boost::shared_ptr<const AudioBuffers> audio);
void write (PlayerText text, TextType type, boost::optional<DCPTextTrack> track, dcpomatic::DCPTimePeriod period);
void finish ();
boost::shared_ptr<dcp::Reel> create_reel (std::list<ReferencedReelAsset> const & refs, std::list<boost::shared_ptr<dcpomatic::Font> > const & fonts);
void calculate_digests (boost::function<void (float)> set_progress);
Frame start () const;
dcpomatic::DCPTimePeriod period () const {
return _period;
}
int last_written_video_frame () const {
return _last_written_video_frame;
}
Eyes last_written_eyes () const {
return _last_written_eyes;
}
int first_nonexistant_frame () const {
return _first_nonexistant_frame;
}
dcp::FrameInfo read_frame_info (boost::shared_ptr<InfoFileHandle> info, Frame frame, Eyes eyes) const;
private:
friend struct ::write_frame_info_test;
void write_frame_info (Frame frame, Eyes eyes, dcp::FrameInfo info) const;
long frame_info_position (Frame frame, Eyes eyes) const;
Frame check_existing_picture_asset (boost::filesystem::path asset);
bool existing_picture_frame_ok (FILE* asset_file, boost::shared_ptr<InfoFileHandle> info_file, Frame frame) const;
boost::shared_ptr<const Film> _film;
dcpomatic::DCPTimePeriod _period;
/** the first picture frame index that does not already exist in our MXF */
int _first_nonexistant_frame;
/** the data of the last written frame, if there is one */
boost::optional<dcp::Data> _last_written[EYES_COUNT];
/** the index of the last written video frame within the reel */
int _last_written_video_frame;
Eyes _last_written_eyes;
/** index of this reel within the DCP (starting from 0) */
int _reel_index;
/** number of reels in the DCP */
int _reel_count;
boost::optional<std::string> _content_summary;
boost::weak_ptr<Job> _job;
boost::shared_ptr<dcp::PictureAsset> _picture_asset;
/** picture asset writer, or 0 if we are not writing any picture because we already have one */
boost::shared_ptr<dcp::PictureAssetWriter> _picture_asset_writer;
boost::shared_ptr<dcp::SoundAsset> _sound_asset;
boost::shared_ptr<dcp::SoundAssetWriter> _sound_asset_writer;
boost::shared_ptr<dcp::SubtitleAsset> _subtitle_asset;
std::map<DCPTextTrack, boost::shared_ptr<dcp::SubtitleAsset> > _closed_caption_assets;
static int const _info_size;
};
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