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/*
Copyright (C) 2012-2016 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 "decoder.h"
#include "video_decoder.h"
#include "audio_decoder.h"
#include "subtitle_decoder.h"
#include <boost/optional.hpp>
#include <iostream>
using std::cout;
using boost::optional;
/** @return Earliest time of content that the next pass() will emit */
ContentTime
Decoder::position () const
{
optional<ContentTime> pos;
if (video && !video->ignore() && (!pos || video->position() < *pos)) {
pos = video->position();
}
if (audio && !audio->ignore() && (!pos || audio->position() < *pos)) {
pos = audio->position();
}
if (subtitle && !subtitle->ignore() && (!pos || subtitle->position() < *pos)) {
pos = subtitle->position();
}
return pos.get_value_or(ContentTime());
}
void
Decoder::seek (ContentTime, bool)
{
if (video) {
video->seek ();
}
if (audio) {
audio->seek ();
}
if (subtitle) {
subtitle->seek ();
}
}
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