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/*
Copyright (C) 2013 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 DCPOMATIC_LIB_DECODED_H
#define DCPOMATIC_LIB_DECODED_H
#include <libdcp/subtitle_asset.h>
#include "types.h"
#include "rect.h"
#include "util.h"
class Image;
class Decoded
{
public:
Decoded ()
: dcp_time (0)
{}
virtual ~Decoded () {}
virtual void set_dcp_times (VideoFrame, AudioFrame, FrameRateChange, DCPTime) = 0;
DCPTime dcp_time;
};
/** One frame of video from a VideoDecoder */
class DecodedVideo : public Decoded
{
public:
DecodedVideo ()
: eyes (EYES_BOTH)
, same (false)
, frame (0)
{}
DecodedVideo (boost::shared_ptr<const Image> im, Eyes e, bool s, VideoFrame f)
: image (im)
, eyes (e)
, same (s)
, frame (f)
{}
void set_dcp_times (VideoFrame video_frame_rate, AudioFrame, FrameRateChange frc, DCPTime offset)
{
dcp_time = frame * TIME_HZ * frc.factor() / video_frame_rate + offset;
}
boost::shared_ptr<const Image> image;
Eyes eyes;
bool same;
VideoFrame frame;
};
class DecodedAudio : public Decoded
{
public:
DecodedAudio (boost::shared_ptr<const AudioBuffers> d, AudioFrame f)
: data (d)
, frame (f)
{}
void set_dcp_times (VideoFrame, AudioFrame audio_frame_rate, FrameRateChange, DCPTime offset)
{
dcp_time = frame * TIME_HZ / audio_frame_rate + offset;
}
boost::shared_ptr<const AudioBuffers> data;
AudioFrame frame;
};
class DecodedImageSubtitle : public Decoded
{
public:
DecodedImageSubtitle ()
: content_time (0)
, content_time_to (0)
, dcp_time_to (0)
{}
DecodedImageSubtitle (boost::shared_ptr<Image> im, dcpomatic::Rect<double> r, ContentTime f, ContentTime t)
: image (im)
, rect (r)
, content_time (f)
, content_time_to (t)
, dcp_time_to (0)
{}
void set_dcp_times (VideoFrame, AudioFrame, FrameRateChange frc, DCPTime offset)
{
dcp_time = rint (content_time / frc.speed_up) + offset;
dcp_time_to = rint (content_time_to / frc.speed_up) + offset;
}
boost::shared_ptr<Image> image;
dcpomatic::Rect<double> rect;
ContentTime content_time;
ContentTime content_time_to;
DCPTime dcp_time_to;
};
class DecodedTextSubtitle : public Decoded
{
public:
DecodedTextSubtitle ()
: dcp_time_to (0)
{}
DecodedTextSubtitle (std::list<libdcp::Subtitle> s)
: subs (s)
{}
void set_dcp_times (VideoFrame, AudioFrame, FrameRateChange frc, DCPTime offset)
{
if (subs.empty ()) {
return;
}
/* Assuming that all subs are at the same time */
dcp_time = rint (subs.front().in().to_ticks() * 4 * TIME_HZ / frc.speed_up) + offset;
dcp_time_to = rint (subs.front().out().to_ticks() * 4 * TIME_HZ / frc.speed_up) + offset;
}
std::list<libdcp::Subtitle> subs;
DCPTime dcp_time_to;
};
#endif
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