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/*
Copyright (C) 2013-2021 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/>.
*/
#ifndef DCPOMATIC_PIECE_H
#define DCPOMATIC_PIECE_H
#include "audio_stream.h"
#include "dcpomatic_time.h"
#include "font_data.h"
#include "frame_rate_change.h"
#include "piece_audio.h"
#include "piece_text.h"
#include "piece_video.h"
#include "types.h"
#include <boost/signals2.hpp>
#include <map>
class Content;
class Decoder;
class PlayerVideo;
class Resampler;
struct overlap_video_test1;
struct check_reuse_old_data_test;
class Piece
{
public:
Piece (std::weak_ptr<const Film> film, std::shared_ptr<Content> content, std::shared_ptr<Decoder> decoder, FrameRateChange frc, bool fast);
void update_pull_to (dcpomatic::DCPTime& pull_to) const;
void set_last_push_end (AudioStreamPtr stream, dcpomatic::DCPTime last_push_end);
dcpomatic::DCPTime content_video_to_dcp (Frame f) const;
dcpomatic::DCPTime resampled_audio_to_dcp (Frame f) const;
dcpomatic::ContentTime dcp_to_content_time (dcpomatic::DCPTime t) const;
boost::optional<dcpomatic::DCPTime> content_time_to_dcp (std::shared_ptr<const Content> content, dcpomatic::ContentTime t) const;
void pass ();
bool use_video () const;
VideoFrameType video_frame_type () const;
FrameRateChange frame_rate_change () const {
return _frc;
}
dcpomatic::DCPTime position () const;
dcpomatic::DCPTime end () const;
dcpomatic::DCPTimePeriod period () const;
std::shared_ptr<PlayerVideo> player_video (PieceVideo video, dcp::Size container_size) const;
int resampled_audio_frame_rate () const;
double audio_gain () const;
bool reference_dcp_audio () const;
std::shared_ptr<Decoder> decoder_for (std::shared_ptr<Content> content) const;
void seek (dcpomatic::DCPTime time, bool accurate);
boost::optional<dcpomatic::DCPTime> decoder_before(boost::optional<dcpomatic::DCPTime> time);
std::vector<dcpomatic::FontData> fonts () const;
void set_ignore_video (boost::optional<dcpomatic::DCPTimePeriod> period) {
_ignore_video = period;
}
bool ignore_video_at (dcpomatic::DCPTime time) const;
boost::signals2::signal<void (PieceVideo)> Video;
boost::signals2::signal<void (PieceAudio)> Audio;
boost::signals2::signal<void (PieceBitmapTextStart)> BitmapTextStart;
boost::signals2::signal<void (PieceStringTextStart)> StringTextStart;
boost::signals2::signal<void (PieceTextStop)> TextStop;
private:
friend struct overlap_video_test1;
friend struct check_reuse_old_data_test;
void video (std::shared_ptr<const ImageProxy> image, Frame frame, Eyes eyes, Part part);
void audio (std::shared_ptr<AudioStream> stream, std::shared_ptr<const AudioBuffers> audio, Frame frame);
void bitmap_start (std::weak_ptr<const Content> content, std::weak_ptr<const TextContent> text, dcpomatic::ContentTime time, std::shared_ptr<Image> image, dcpomatic::Rect<double> area);
void string_start (std::weak_ptr<const Content> content, std::weak_ptr<const TextContent> text, dcpomatic::ContentTime time, std::list<dcp::SubtitleString> subs);
void stop (std::weak_ptr<const Content> content, std::weak_ptr<const TextContent> text, dcpomatic::ContentTime time);
void flush ();
std::weak_ptr<const Film> _film;
std::shared_ptr<Content> _content;
std::shared_ptr<Decoder> _decoder;
FrameRateChange _frc;
bool _fast = false;
bool _done = false;
boost::optional<dcpomatic::DCPTimePeriod> _ignore_video;
std::map<AudioStreamPtr, dcpomatic::DCPTime> _stream_last_push_end;
std::map<AudioStreamPtr, std::shared_ptr<Resampler>> _resamplers;
std::map<AudioStreamPtr, Frame> _positions;
};
#endif
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