/*
- Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2017 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
using dcp::raw_convert;
/** Construct a SubtitleStream from a value returned from to_string().
- * @param t String returned from to_string().
- * @param v State file version.
+ * @param node String returned from to_string().
+ * @param version State file version.
*/
FFmpegSubtitleStream::FFmpegSubtitleStream (cxml::ConstNodePtr node, int version)
: FFmpegStream (node)
{
- 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<string> (i->string_child ("From")),
- ContentTimePeriod (
- ContentTime (i->number_child<ContentTime::Type> ("From")),
- ContentTime (i->number_child<ContentTime::Type> ("To"))
- )
- );
- }
- } else {
- /* In version 33 we use a hash of various parts of the subtitle as the id.
- <Subtitle> was initially used for image subtitles; later we have
- <ImageSubtitle> and <TextSubtitle>
- */
- BOOST_FOREACH (cxml::NodePtr i, node->node_children ("Subtitle")) {
- add_image_subtitle (
- raw_convert<string> (i->string_child ("Id")),
- ContentTimePeriod (
- ContentTime (i->number_child<ContentTime::Type> ("From")),
- ContentTime (i->number_child<ContentTime::Type> ("To"))
- )
- );
- }
-
- BOOST_FOREACH (cxml::NodePtr i, node->node_children ("ImageSubtitle")) {
- add_image_subtitle (
- raw_convert<string> (i->string_child ("Id")),
- ContentTimePeriod (
- ContentTime (i->number_child<ContentTime::Type> ("From")),
- ContentTime (i->number_child<ContentTime::Type> ("To"))
- )
- );
- }
-
- BOOST_FOREACH (cxml::NodePtr i, node->node_children ("TextSubtitle")) {
- add_text_subtitle (
- raw_convert<string> (i->string_child ("Id")),
- ContentTimePeriod (
- ContentTime (i->number_child<ContentTime::Type> ("From")),
- ContentTime (i->number_child<ContentTime::Type> ("To"))
- )
- );
- }
-
+ if (version >= 33) {
+ boost::mutex::scoped_lock lm (_mutex);
BOOST_FOREACH (cxml::NodePtr i, node->node_children ("Colour")) {
_colours[RGBA(i->node_child("From"))] = RGBA (i->node_child("To"));
}
{
FFmpegStream::as_xml (root);
- as_xml (root, _image_subtitles, "ImageSubtitle");
- as_xml (root, _text_subtitles, "TextSubtitle");
-
+ boost::mutex::scoped_lock lm (_mutex);
for (map<RGBA, RGBA>::const_iterator i = _colours.begin(); i != _colours.end(); ++i) {
xmlpp::Node* node = root->add_child("Colour");
i->first.as_xml (node->add_child("From"));
}
}
-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<string> (i->second.from.get ()));
- node->add_child("To")->add_child_text (raw_convert<string> (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<ContentTimePeriod>
-FFmpegSubtitleStream::image_subtitles_during (ContentTimePeriod period, bool starting) const
-{
- return subtitles_during (period, starting, _image_subtitles);
-}
-
-list<ContentTimePeriod>
-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<ContentTimePeriod>
-FFmpegSubtitleStream::subtitles_during (ContentTimePeriod period, bool starting, PeriodMap const & subs) const
-{
- list<ContentTimePeriod> d;
-
- /* XXX: inefficient */
- for (map<string, ContentTimePeriod>::const_iterator i = subs.begin(); i != subs.end(); ++i) {
- if ((starting && period.contains(i->second.from)) || (!starting && period.overlap(i->second))) {
- d.push_back (i->second);
- }
- }
-
- d.sort (PeriodSorter ());
-
- return d;
-}
-
-ContentTime
-FFmpegSubtitleStream::find_subtitle_to (string id) const
-{
- 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)
-{
- 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<RGBA, RGBA>
FFmpegSubtitleStream::colours () const
{
+ boost::mutex::scoped_lock lm (_mutex);
return _colours;
}
void
FFmpegSubtitleStream::set_colour (RGBA from, RGBA to)
{
+ boost::mutex::scoped_lock lm (_mutex);
_colours[from] = to;
}
-
-bool
-FFmpegSubtitleStream::has_text () const
-{
- return !_text_subtitles.empty ();
-}
-
-bool
-FFmpegSubtitleStream::has_image () const
-{
- return !_image_subtitles.empty ();
-}
projects / dcpomatic.git / blobdiff