X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fffmpeg_subtitle_stream.cc;h=eca3fda6fcac490b4bfe8ff6bb67fe6bffb2b4c6;hb=334b94526f2c1271718a94fe97cfa843cf6ef7a1;hp=e12075581b12705a71d53153904218a6950b1cce;hpb=9d4678143d1fa992059c90a2b0997fa5cae81e93;p=dcpomatic.git diff --git a/src/lib/ffmpeg_subtitle_stream.cc b/src/lib/ffmpeg_subtitle_stream.cc index e12075581..eca3fda6f 100644 --- a/src/lib/ffmpeg_subtitle_stream.cc +++ b/src/lib/ffmpeg_subtitle_stream.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2013-2014 Carl Hetherington + Copyright (C) 2013-2016 Carl Hetherington 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 @@ -27,21 +27,66 @@ using std::string; using std::map; using std::list; using std::cout; +using std::make_pair; /** Construct a SubtitleStream from a value returned from to_string(). * @param t String returned from to_string(). * @param v State file version. */ -FFmpegSubtitleStream::FFmpegSubtitleStream (cxml::ConstNodePtr node) +FFmpegSubtitleStream::FFmpegSubtitleStream (cxml::ConstNodePtr node, int version) : FFmpegStream (node) { - BOOST_FOREACH (cxml::NodePtr i, node->node_children ("Period")) { - add_subtitle ( - ContentTimePeriod ( - ContentTime (i->number_child ("From")), - ContentTime (i->number_child ("To")) - ) - ); + if (version == 32) { + BOOST_FOREACH (cxml::NodePtr i, node->node_children ("Period")) { + /* In version 32 we assumed that from times were unique, so they were + used as identifiers. All subtitles were image subtitles. + */ + add_image_subtitle ( + raw_convert (i->string_child ("From")), + ContentTimePeriod ( + ContentTime (i->number_child ("From")), + ContentTime (i->number_child ("To")) + ) + ); + } + } else { + /* In version 33 we use a hash of various parts of the subtitle as the id. + was initially used for image subtitles; later we have + and + */ + BOOST_FOREACH (cxml::NodePtr i, node->node_children ("Subtitle")) { + add_image_subtitle ( + raw_convert (i->string_child ("Id")), + ContentTimePeriod ( + ContentTime (i->number_child ("From")), + ContentTime (i->number_child ("To")) + ) + ); + } + + BOOST_FOREACH (cxml::NodePtr i, node->node_children ("ImageSubtitle")) { + add_image_subtitle ( + raw_convert (i->string_child ("Id")), + ContentTimePeriod ( + ContentTime (i->number_child ("From")), + ContentTime (i->number_child ("To")) + ) + ); + } + + BOOST_FOREACH (cxml::NodePtr i, node->node_children ("TextSubtitle")) { + add_text_subtitle ( + raw_convert (i->string_child ("Id")), + ContentTimePeriod ( + ContentTime (i->number_child ("From")), + ContentTime (i->number_child ("To")) + ) + ); + } + + BOOST_FOREACH (cxml::NodePtr i, node->node_children ("Colour")) { + _colours[RGBA(i->node_child("From"))] = RGBA (i->node_child("To")); + } } } @@ -50,29 +95,62 @@ FFmpegSubtitleStream::as_xml (xmlpp::Node* root) const { FFmpegStream::as_xml (root); - for (map::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 (i->first.get ())); - node->add_child("To")->add_child_text (raw_convert (i->second.get ())); + as_xml (root, _image_subtitles, "ImageSubtitle"); + as_xml (root, _text_subtitles, "TextSubtitle"); + + for (map::const_iterator i = _colours.begin(); i != _colours.end(); ++i) { + xmlpp::Node* node = root->add_child("Colour"); + i->first.as_xml (node->add_child("From")); + i->second.as_xml (node->add_child("To")); } } void -FFmpegSubtitleStream::add_subtitle (ContentTimePeriod period) +FFmpegSubtitleStream::as_xml (xmlpp::Node* root, PeriodMap const & subs, string node_name) const { - DCPOMATIC_ASSERT (_subtitles.find (period.from) == _subtitles.end ()); - _subtitles[period.from] = period.to; + for (PeriodMap::const_iterator i = subs.begin(); i != subs.end(); ++i) { + xmlpp::Node* node = root->add_child (node_name); + node->add_child("Id")->add_child_text (i->first); + node->add_child("From")->add_child_text (raw_convert (i->second.from.get ())); + node->add_child("To")->add_child_text (raw_convert (i->second.to.get ())); + } +} + +void +FFmpegSubtitleStream::add_image_subtitle (string id, ContentTimePeriod period) +{ + DCPOMATIC_ASSERT (_image_subtitles.find (id) == _image_subtitles.end ()); + _image_subtitles[id] = period; +} + +void +FFmpegSubtitleStream::add_text_subtitle (string id, ContentTimePeriod period) +{ + DCPOMATIC_ASSERT (_text_subtitles.find (id) == _text_subtitles.end ()); + _text_subtitles[id] = period; } list -FFmpegSubtitleStream::subtitles_during (ContentTimePeriod period, bool starting) const +FFmpegSubtitleStream::image_subtitles_during (ContentTimePeriod period, bool starting) const +{ + return subtitles_during (period, starting, _image_subtitles); +} + +list +FFmpegSubtitleStream::text_subtitles_during (ContentTimePeriod period, bool starting) const +{ + return subtitles_during (period, starting, _text_subtitles); +} + +list +FFmpegSubtitleStream::subtitles_during (ContentTimePeriod period, bool starting, PeriodMap const & subs) const { list d; /* XXX: inefficient */ - for (map::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)); + for (map::const_iterator i = subs.begin(); i != subs.end(); ++i) { + if ((starting && period.contains (i->second.from)) || (!starting && period.overlaps (i->second))) { + d.push_back (i->second); } } @@ -80,20 +158,41 @@ FFmpegSubtitleStream::subtitles_during (ContentTimePeriod period, bool starting) } ContentTime -FFmpegSubtitleStream::find_subtitle_to (ContentTime from) const +FFmpegSubtitleStream::find_subtitle_to (string id) const { - map::const_iterator i = _subtitles.find (from); - DCPOMATIC_ASSERT (i != _subtitles.end ()); - return i->second; + PeriodMap::const_iterator i = _image_subtitles.find (id); + if (i != _image_subtitles.end ()) { + return i->second.to; + } + + i = _text_subtitles.find (id); + DCPOMATIC_ASSERT (i != _text_subtitles.end ()); + return i->second.to; } /** Add some offset to all the times in the stream */ void FFmpegSubtitleStream::add_offset (ContentTime offset) { - map fixed; - for (map::iterator i = _subtitles.begin(); i != _subtitles.end(); ++i) { - fixed[i->first + offset] = i->second + offset; + for (PeriodMap::iterator i = _image_subtitles.begin(); i != _image_subtitles.end(); ++i) { + i->second.from += offset; + i->second.to += offset; } - _subtitles = fixed; + + for (PeriodMap::iterator i = _text_subtitles.begin(); i != _text_subtitles.end(); ++i) { + i->second.from += offset; + i->second.to += offset; + } +} + +map +FFmpegSubtitleStream::colours () const +{ + return _colours; +} + +void +FFmpegSubtitleStream::set_colour (RGBA from, RGBA to) +{ + _colours[from] = to; }