X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fffmpeg_subtitle_stream.cc;h=d1992f138530d4de25feedde8539af71c1d3d093;hb=02cc8c7680381c123a31c23a43f6b34a04c2115a;hp=466032b37235b4a48c744f42fdd7541cc9f77155;hpb=22873931f874a87fcf6a0077eddbec0f97eb3423;p=dcpomatic.git diff --git a/src/lib/ffmpeg_subtitle_stream.cc b/src/lib/ffmpeg_subtitle_stream.cc index 466032b37..d1992f138 100644 --- a/src/lib/ffmpeg_subtitle_stream.cc +++ b/src/lib/ffmpeg_subtitle_stream.cc @@ -1,19 +1,20 @@ /* Copyright (C) 2013-2016 Carl Hetherington - This program is free software; you can redistribute it and/or modify + 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. - This program is distributed in the hope that it will be useful, + 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 this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + along with DCP-o-matic. If not, see . */ @@ -27,6 +28,7 @@ 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(). @@ -37,10 +39,10 @@ FFmpegSubtitleStream::FFmpegSubtitleStream (cxml::ConstNodePtr node, int version { if (version == 32) { BOOST_FOREACH (cxml::NodePtr i, node->node_children ("Period")) { - /* In version 32 we assumed that from times were unique, so they weer - used as identifiers. + /* In version 32 we assumed that from times were unique, so they were + used as identifiers. All subtitles were image subtitles. */ - add_subtitle ( + add_image_subtitle ( raw_convert (i->string_child ("From")), ContentTimePeriod ( ContentTime (i->number_child ("From")), @@ -49,9 +51,32 @@ FFmpegSubtitleStream::FFmpegSubtitleStream (cxml::ConstNodePtr node, int version ); } } else { - /* In version 33 we use a hash of various parts of the subtitle as the id */ + /* 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_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")), @@ -59,6 +84,10 @@ FFmpegSubtitleStream::FFmpegSubtitleStream (cxml::ConstNodePtr node, int version ) ); } + + BOOST_FOREACH (cxml::NodePtr i, node->node_children ("Colour")) { + _colours[RGBA(i->node_child("From"))] = RGBA (i->node_child("To")); + } } } @@ -67,8 +96,21 @@ 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 ("Subtitle"); + 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::as_xml (xmlpp::Node* root, PeriodMap const & subs, string node_name) const +{ + 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 ())); @@ -76,32 +118,65 @@ FFmpegSubtitleStream::as_xml (xmlpp::Node* root) const } void -FFmpegSubtitleStream::add_subtitle (string id, ContentTimePeriod period) +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::image_subtitles_during (ContentTimePeriod period, bool starting) const { - DCPOMATIC_ASSERT (_subtitles.find (id) == _subtitles.end ()); - _subtitles[id] = period; + return subtitles_during (period, starting, _image_subtitles); } list -FFmpegSubtitleStream::subtitles_during (ContentTimePeriod period, bool starting) const +FFmpegSubtitleStream::text_subtitles_during (ContentTimePeriod period, bool starting) const +{ + return subtitles_during (period, starting, _text_subtitles); +} + +struct PeriodSorter +{ + bool operator() (ContentTimePeriod const & a, ContentTimePeriod const & b) { + return a.from < b.from; + } +}; + +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) { + 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); } } + d.sort (PeriodSorter ()); + return d; } ContentTime FFmpegSubtitleStream::find_subtitle_to (string id) const { - map::const_iterator i = _subtitles.find (id); - DCPOMATIC_ASSERT (i != _subtitles.end ()); + 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; } @@ -109,8 +184,37 @@ FFmpegSubtitleStream::find_subtitle_to (string id) const void FFmpegSubtitleStream::add_offset (ContentTime offset) { - for (map::iterator i = _subtitles.begin(); i != _subtitles.end(); ++i) { + for (PeriodMap::iterator i = _image_subtitles.begin(); i != _image_subtitles.end(); ++i) { + i->second.from += offset; + i->second.to += offset; + } + + 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; +} + +bool +FFmpegSubtitleStream::has_text () const +{ + return !_text_subtitles.empty (); +} + +bool +FFmpegSubtitleStream::has_image () const +{ + return !_image_subtitles.empty (); +}