*/
+#include <fstream>
#include <boost/lexical_cast.hpp>
+#include <boost/algorithm/string.hpp>
+#include <libxml++/nodes/element.h>
#include "subtitle_asset.h"
+#include "parse/subtitle.h"
#include "util.h"
-
-using namespace std;
-using namespace boost;
+#include "xml.h"
+
+using std::string;
+using std::list;
+using std::ostream;
+using std::ofstream;
+using std::stringstream;
+using boost::shared_ptr;
+using boost::lexical_cast;
+using boost::optional;
using namespace libdcp;
-SubtitleAsset::SubtitleAsset (string directory, string xml)
- : Asset (directory, xml)
- , XMLFile (path().string(), "DCSubtitle")
+SubtitleAsset::SubtitleAsset (string directory, string xml_file)
+ : Asset (directory, xml_file)
+ , _need_sort (false)
{
- _subtitle_id = string_child ("SubtitleID");
- _movie_title = string_child ("MovieTitle");
- _reel_number = int64_child ("ReelNumber");
- _language = string_child ("Language");
+ read_xml (path().string());
+}
- ignore_child ("LoadFont");
+SubtitleAsset::SubtitleAsset (string directory, string movie_title, string language)
+ : Asset (directory)
+ , _movie_title (movie_title)
+ , _reel_number ("1")
+ , _language (language)
+ , _need_sort (false)
+{
- list<shared_ptr<FontNode> > font_nodes = type_children<FontNode> ("Font");
- _load_font_nodes = type_children<LoadFontNode> ("LoadFont");
+}
+
+void
+SubtitleAsset::read_xml (string xml_file)
+{
+ shared_ptr<cxml::Document> xml (new cxml::Document ("DCSubtitle"));
+ xml->read_file (xml_file);
+
+ _uuid = xml->string_child ("SubtitleID");
+ _movie_title = xml->string_child ("MovieTitle");
+ _reel_number = xml->string_child ("ReelNumber");
+ _language = xml->string_child ("Language");
+
+ xml->ignore_child ("LoadFont");
+
+ list<shared_ptr<libdcp::parse::Font> > font_nodes = type_children<libdcp::parse::Font> (xml, "Font");
+ _load_font_nodes = type_children<libdcp::parse::LoadFont> (xml, "LoadFont");
/* Now make Subtitle objects to represent the raw XML nodes
in a sane way.
*/
ParseState parse_state;
- examine_font_nodes (font_nodes, parse_state);
+ examine_font_nodes (xml, font_nodes, parse_state);
}
void
SubtitleAsset::examine_font_nodes (
- list<shared_ptr<FontNode> > const & font_nodes,
+ shared_ptr<const cxml::Node> xml,
+ list<shared_ptr<libdcp::parse::Font> > const & font_nodes,
ParseState& parse_state
)
{
- for (list<shared_ptr<FontNode> >::const_iterator i = font_nodes.begin(); i != font_nodes.end(); ++i) {
+ for (list<shared_ptr<libdcp::parse::Font> >::const_iterator i = font_nodes.begin(); i != font_nodes.end(); ++i) {
parse_state.font_nodes.push_back (*i);
maybe_add_subtitle ((*i)->text, parse_state);
- for (list<shared_ptr<SubtitleNode> >::iterator j = (*i)->subtitle_nodes.begin(); j != (*i)->subtitle_nodes.end(); ++j) {
+ for (list<shared_ptr<libdcp::parse::Subtitle> >::iterator j = (*i)->subtitle_nodes.begin(); j != (*i)->subtitle_nodes.end(); ++j) {
parse_state.subtitle_nodes.push_back (*j);
- examine_text_nodes ((*j)->text_nodes, parse_state);
- examine_font_nodes ((*j)->font_nodes, parse_state);
+ examine_text_nodes (xml, (*j)->text_nodes, parse_state);
+ examine_font_nodes (xml, (*j)->font_nodes, parse_state);
parse_state.subtitle_nodes.pop_back ();
}
- examine_font_nodes ((*i)->font_nodes, parse_state);
- examine_text_nodes ((*i)->text_nodes, parse_state);
+ examine_font_nodes (xml, (*i)->font_nodes, parse_state);
+ examine_text_nodes (xml, (*i)->text_nodes, parse_state);
parse_state.font_nodes.pop_back ();
}
void
SubtitleAsset::examine_text_nodes (
- list<shared_ptr<TextNode> > const & text_nodes,
+ shared_ptr<const cxml::Node> xml,
+ list<shared_ptr<libdcp::parse::Text> > const & text_nodes,
ParseState& parse_state
)
{
- for (list<shared_ptr<TextNode> >::const_iterator i = text_nodes.begin(); i != text_nodes.end(); ++i) {
+ for (list<shared_ptr<libdcp::parse::Text> >::const_iterator i = text_nodes.begin(); i != text_nodes.end(); ++i) {
parse_state.text_nodes.push_back (*i);
maybe_add_subtitle ((*i)->text, parse_state);
- examine_font_nodes ((*i)->font_nodes, parse_state);
+ examine_font_nodes (xml, (*i)->font_nodes, parse_state);
parse_state.text_nodes.pop_back ();
}
}
assert (!parse_state.text_nodes.empty ());
assert (!parse_state.subtitle_nodes.empty ());
- FontNode effective_font (parse_state.font_nodes);
- TextNode effective_text (*parse_state.text_nodes.back ());
- SubtitleNode effective_subtitle (*parse_state.subtitle_nodes.back ());
+ libdcp::parse::Font effective_font (parse_state.font_nodes);
+ libdcp::parse::Text effective_text (*parse_state.text_nodes.back ());
+ libdcp::parse::Subtitle effective_subtitle (*parse_state.subtitle_nodes.back ());
_subtitles.push_back (
shared_ptr<Subtitle> (
effective_text.v_position,
effective_text.v_align,
text,
- effective_font.effect.get(),
+ effective_font.effect ? effective_font.effect.get() : NONE,
effective_font.effect_color.get(),
effective_subtitle.fade_up_time,
effective_subtitle.fade_down_time
);
}
-FontNode::FontNode (xmlpp::Node const * node)
- : XMLNode (node)
-{
- text = content ();
-
- id = optional_string_attribute ("Id");
- size = optional_int64_attribute ("Size");
- italic = optional_bool_attribute ("Italic");
- color = optional_color_attribute ("Color");
- string const e = optional_string_attribute ("Effect");
- if (e == "none") {
- effect = NONE;
- } else if (e == "border") {
- effect = BORDER;
- } else if (e == "shadow") {
- effect = SHADOW;
- } else if (!e.empty ()) {
- throw DCPReadError ("unknown subtitle effect type");
- }
- effect_color = optional_color_attribute ("EffectColor");
- subtitle_nodes = type_children<SubtitleNode> ("Subtitle");
- font_nodes = type_children<FontNode> ("Font");
- text_nodes = type_children<TextNode> ("Text");
-}
-
-FontNode::FontNode (list<shared_ptr<FontNode> > const & font_nodes)
- : size (0)
- , italic (false)
- , color ("FFFFFFFF")
- , effect_color ("FFFFFFFF")
-{
- for (list<shared_ptr<FontNode> >::const_iterator i = font_nodes.begin(); i != font_nodes.end(); ++i) {
- if (!(*i)->id.empty ()) {
- id = (*i)->id;
- }
- if ((*i)->size != 0) {
- size = (*i)->size;
- }
- if ((*i)->italic) {
- italic = (*i)->italic.get ();
- }
- if ((*i)->color) {
- color = (*i)->color.get ();
- }
- if ((*i)->effect) {
- effect = (*i)->effect.get ();
- }
- if ((*i)->effect_color) {
- effect_color = (*i)->effect_color.get ();
- }
- }
-}
-
-LoadFontNode::LoadFontNode (xmlpp::Node const * node)
- : XMLNode (node)
-{
- id = string_attribute ("Id");
- uri = string_attribute ("URI");
-}
-
-
-SubtitleNode::SubtitleNode (xmlpp::Node const * node)
- : XMLNode (node)
-{
- in = time_attribute ("TimeIn");
- out = time_attribute ("TimeOut");
- font_nodes = type_children<FontNode> ("Font");
- text_nodes = type_children<TextNode> ("Text");
- fade_up_time = fade_time ("FadeUpTime");
- fade_down_time = fade_time ("FadeDownTime");
-}
-
-Time
-SubtitleNode::fade_time (string name)
-{
- string const u = optional_string_attribute (name);
- Time t;
-
- if (u.empty ()) {
- t = Time (0, 0, 0, 20);
- } else if (u.find (":") != string::npos) {
- t = Time (u);
- } else {
- t = Time (0, 0, 0, lexical_cast<int> (u));
- }
-
- if (t > Time (0, 0, 8, 0)) {
- t = Time (0, 0, 8, 0);
- }
-
- return t;
-}
-
-TextNode::TextNode (xmlpp::Node const * node)
- : XMLNode (node)
- , v_align (CENTER)
-{
- text = content ();
- v_position = float_attribute ("VPosition");
- string const v = optional_string_attribute ("VAlign");
- if (v == "top") {
- v_align = TOP;
- } else if (v == "center") {
- v_align = CENTER;
- } else if (v == "bottom") {
- v_align = BOTTOM;
- }
-
- font_nodes = type_children<FontNode> ("Font");
-}
-
list<shared_ptr<Subtitle> >
SubtitleAsset::subtitles_at (Time t) const
{
std::string
SubtitleAsset::font_id_to_name (string id) const
{
- list<shared_ptr<LoadFontNode> >::const_iterator i = _load_font_nodes.begin();
+ list<shared_ptr<libdcp::parse::LoadFont> >::const_iterator i = _load_font_nodes.begin();
while (i != _load_font_nodes.end() && (*i)->id != id) {
++i;
}
return s;
}
+
+void
+SubtitleAsset::add (shared_ptr<Subtitle> s)
+{
+ _subtitles.push_back (s);
+ _need_sort = true;
+}
+
+void
+SubtitleAsset::write_to_cpl (xmlpp::Element* node, bool) const
+{
+ /* XXX: should EditRate, Duration and IntrinsicDuration be in here? */
+
+ xmlpp::Node* ms = node->add_child ("MainSubtitle");
+ ms->add_child("Id")->add_child_text("urn:uuid:" + _uuid);
+ ms->add_child("AnnotationText")->add_child_text (_file_name);
+ /* XXX */
+ ms->add_child("EntryPoint")->add_child_text ("0");
+}
+
+struct SubtitleSorter {
+ bool operator() (shared_ptr<Subtitle> a, shared_ptr<Subtitle> b) {
+ if (a->in() != b->in()) {
+ return a->in() < b->in();
+ }
+ return a->v_position() < b->v_position();
+ }
+};
+
+void
+SubtitleAsset::write_xml () const
+{
+ ofstream s (path().string().c_str());
+ write_xml (s);
+}
+
+void
+SubtitleAsset::write_xml (ostream& s) const
+{
+ xmlpp::Document doc;
+ xmlpp::Element* root = doc.create_root_node ("DCSubtitle");
+ root->set_attribute ("Version", "1.0");
+
+ root->add_child("SubtitleID")->add_child_text (_uuid);
+ root->add_child("MovieTitle")->add_child_text (_movie_title);
+ root->add_child("ReelNumber")->add_child_text (lexical_cast<string> (_reel_number));
+ root->add_child("Language")->add_child_text (_language);
+
+ if (_load_font_nodes.size() > 1) {
+ boost::throw_exception (MiscError ("multiple LoadFont nodes not supported"));
+ }
+
+ if (!_load_font_nodes.empty ()) {
+ xmlpp::Element* load_font = root->add_child("LoadFont");
+ load_font->set_attribute("Id", _load_font_nodes.front()->id);
+ load_font->set_attribute("URI", _load_font_nodes.front()->uri);
+ }
+
+ list<shared_ptr<Subtitle> > sorted = _subtitles;
+ if (_need_sort) {
+ sorted.sort (SubtitleSorter ());
+ }
+
+ /* XXX: multiple fonts not supported */
+ /* XXX: script, underlined, weight not supported */
+
+ bool italic = false;
+ Color color;
+ int size = 0;
+ Effect effect = NONE;
+ Color effect_color;
+ int spot_number = 1;
+ Time last_in;
+ Time last_out;
+ Time last_fade_up_time;
+ Time last_fade_down_time;
+
+ xmlpp::Element* font = 0;
+ xmlpp::Element* subtitle = 0;
+
+ for (list<shared_ptr<Subtitle> >::iterator i = sorted.begin(); i != sorted.end(); ++i) {
+
+ /* We will start a new <Font>...</Font> whenever some font property changes.
+ I suppose we should really make an optimal hierarchy of <Font> tags, but
+ that seems hard.
+ */
+
+ bool const font_changed =
+ italic != (*i)->italic() ||
+ color != (*i)->color() ||
+ size != (*i)->size() ||
+ effect != (*i)->effect() ||
+ effect_color != (*i)->effect_color();
+
+ if (font_changed) {
+ italic = (*i)->italic ();
+ color = (*i)->color ();
+ size = (*i)->size ();
+ effect = (*i)->effect ();
+ effect_color = (*i)->effect_color ();
+ }
+
+ if (!font || font_changed) {
+ font = root->add_child ("Font");
+ string id = "theFontId";
+ if (!_load_font_nodes.empty()) {
+ id = _load_font_nodes.front()->id;
+ }
+ font->set_attribute ("Id", id);
+ font->set_attribute ("Italic", italic ? "yes" : "no");
+ font->set_attribute ("Color", color.to_argb_string());
+ font->set_attribute ("Size", lexical_cast<string> (size));
+ font->set_attribute ("Effect", effect_to_string (effect));
+ font->set_attribute ("EffectColor", effect_color.to_argb_string());
+ font->set_attribute ("Script", "normal");
+ font->set_attribute ("Underlined", "no");
+ font->set_attribute ("Weight", "normal");
+ }
+
+ if (!subtitle || font_changed ||
+ (last_in != (*i)->in() ||
+ last_out != (*i)->out() ||
+ last_fade_up_time != (*i)->fade_up_time() ||
+ last_fade_down_time != (*i)->fade_down_time()
+ )) {
+
+ subtitle = font->add_child ("Subtitle");
+ subtitle->set_attribute ("SpotNumber", lexical_cast<string> (spot_number++));
+ subtitle->set_attribute ("TimeIn", (*i)->in().to_string());
+ subtitle->set_attribute ("TimeOut", (*i)->out().to_string());
+ subtitle->set_attribute ("FadeUpTime", lexical_cast<string> ((*i)->fade_up_time().to_ticks()));
+ subtitle->set_attribute ("FadeDownTime", lexical_cast<string> ((*i)->fade_down_time().to_ticks()));
+
+ last_in = (*i)->in ();
+ last_out = (*i)->out ();
+ last_fade_up_time = (*i)->fade_up_time ();
+ last_fade_down_time = (*i)->fade_down_time ();
+ }
+
+ xmlpp::Element* text = subtitle->add_child ("Text");
+ text->set_attribute ("VAlign", valign_to_string ((*i)->v_align()));
+ text->set_attribute ("VPosition", lexical_cast<string> ((*i)->v_position()));
+ text->add_child_text ((*i)->text());
+ }
+
+ doc.write_to_stream_formatted (s, "UTF-8");
+}
+
projects / libdcp.git / blobdiff