/*
- Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2018 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
*/
#include "decoder.h"
-#include "decoder_part.h"
+#include "video_decoder.h"
+#include "audio_decoder.h"
+#include "text_decoder.h"
+#include <boost/optional.hpp>
#include <iostream>
using std::cout;
using boost::optional;
+using boost::shared_ptr;
+
+/** @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();
+ }
+
+ BOOST_FOREACH (shared_ptr<TextDecoder> i, caption) {
+ if (!i->ignore() && (!pos || i->position() < *pos)) {
+ pos = i->position();
+ }
+ }
+
+ return pos.get_value_or(ContentTime());
+}
void
-Decoder::maybe_seek (opional<ContentTime> position, ContentTime time, bool accurate)
+Decoder::seek (ContentTime, bool)
{
- if (position && (time >= position.get() && time < (position.get() + ContentTime::from_seconds(1)))) {
- /* No need to seek: caller should just pass() */
- return;
+ if (video) {
+ video->seek ();
+ }
+ if (audio) {
+ audio->seek ();
+ }
+ BOOST_FOREACH (shared_ptr<TextDecoder> i, caption) {
+ i->seek ();
}
+}
- seek (time, accurate);
+shared_ptr<TextDecoder>
+Decoder::only_caption () const
+{
+ DCPOMATIC_ASSERT (caption.size() < 2);
+ if (caption.empty ()) {
+ return shared_ptr<TextDecoder> ();
+ }
+ return caption.front ();
}