#include "raw_convert.h"
#include <libxml++/libxml++.h>
#include <boost/foreach.hpp>
+#include <iostream>
using std::string;
+using std::map;
+using std::list;
+using std::cout;
/** Construct a SubtitleStream from a value returned from to_string().
* @param t String returned from to_string().
: FFmpegStream (node)
{
BOOST_FOREACH (cxml::NodePtr i, node->node_children ("Period")) {
- periods.push_back (
+ add_subtitle (
ContentTimePeriod (
- ContentTime (node->number_child<ContentTime::Type> ("From")),
- ContentTime (node->number_child<ContentTime::Type> ("To"))
+ ContentTime (i->number_child<ContentTime::Type> ("From")),
+ ContentTime (i->number_child<ContentTime::Type> ("To"))
)
);
}
{
FFmpegStream::as_xml (root);
- BOOST_FOREACH (ContentTimePeriod const & i, periods) {
+ for (map<ContentTime, ContentTime>::const_iterator i = _subtitles.begin(); i != _subtitles.end(); ++i) {
xmlpp::Node* node = root->add_child ("Period");
- node->add_child("From")->add_child_text (raw_convert<string> (i.from.get ()));
- node->add_child("To")->add_child_text (raw_convert<string> (i.to.get ()));
+ node->add_child("From")->add_child_text (raw_convert<string> (i->first.get ()));
+ node->add_child("To")->add_child_text (raw_convert<string> (i->second.get ()));
}
}
+
+void
+FFmpegSubtitleStream::add_subtitle (ContentTimePeriod period)
+{
+ DCPOMATIC_ASSERT (_subtitles.find (period.from) == _subtitles.end ());
+ _subtitles[period.from] = period.to;
+}
+
+list<ContentTimePeriod>
+FFmpegSubtitleStream::subtitles_during (ContentTimePeriod period, bool starting) const
+{
+ list<ContentTimePeriod> d;
+
+ /* XXX: inefficient */
+ for (map<ContentTime, ContentTime>::const_iterator i = _subtitles.begin(); i != _subtitles.end(); ++i) {
+ if ((starting && period.contains (i->first)) || (!starting && period.overlaps (ContentTimePeriod (i->first, i->second)))) {
+ d.push_back (ContentTimePeriod (i->first, i->second));
+ }
+ }
+
+ return d;
+}
+
+ContentTime
+FFmpegSubtitleStream::find_subtitle_to (ContentTime from) const
+{
+ map<ContentTime, ContentTime>::const_iterator i = _subtitles.find (from);
+ DCPOMATIC_ASSERT (i != _subtitles.end ());
+ return i->second;
+}
+
+/** Add some offset to all the times in the stream */
+void
+FFmpegSubtitleStream::add_offset (ContentTime offset)
+{
+ map<ContentTime, ContentTime> fixed;
+ for (map<ContentTime, ContentTime>::iterator i = _subtitles.begin(); i != _subtitles.end(); ++i) {
+ fixed[i->first + offset] = i->second + offset;
+ }
+ _subtitles = fixed;
+}