Add burnt subtitle language to video content.
authorCarl Hetherington <cth@carlh.net>
Mon, 29 Mar 2021 23:25:31 +0000 (01:25 +0200)
committerCarl Hetherington <cth@carlh.net>
Wed, 31 Mar 2021 20:51:05 +0000 (22:51 +0200)
src/lib/film.cc
src/lib/video_content.cc
src/lib/video_content.h
src/wx/content_advanced_dialog.cc
src/wx/content_advanced_dialog.h
src/wx/dcp_panel.cc

index 763af8f8af1ed6ddeb7519b2f4caec671bd0c20c..945559a49a05dd8610a4fef1ef1d7eb6983daa01 100644 (file)
@@ -766,6 +766,9 @@ Film::subtitle_languages () const
                                }
                        }
                }
+               if (i->video && i->video->burnt_subtitle_language()) {
+                       result.first = i->video->burnt_subtitle_language();
+               }
        }
 
        std::sort (result.second.begin(), result.second.end());
index fed28b5e40b2708b943b8ca7e1f62f501bbbd8ee..5686a0a6ff7f2a14f31a1a109fb32345131264ed 100644 (file)
@@ -50,6 +50,7 @@ int const VideoContentProperty::FADE_OUT          = 7;
 int const VideoContentProperty::RANGE             = 8;
 int const VideoContentProperty::CUSTOM_RATIO      = 9;
 int const VideoContentProperty::CUSTOM_SIZE       = 10;
+int const VideoContentProperty::BURNT_SUBTITLE_LANGUAGE = 11;
 
 using std::string;
 using std::setprecision;
@@ -183,8 +184,15 @@ VideoContent::VideoContent (Content* parent, cxml::ConstNodePtr node, int versio
        if (node->optional_string_child("Range").get_value_or("full") == "video") {
                _range = VideoRange::VIDEO;
        }
+
+       auto burnt = node->optional_string_child("BurntSubtitleLanguage");
+       if (burnt) {
+               _burnt_subtitle_language = dcp::LanguageTag (*burnt);
+       }
+
 }
 
+
 VideoContent::VideoContent (Content* parent, vector<shared_ptr<Content> > c)
        : ContentPart (parent)
        , _length (0)
@@ -227,6 +235,10 @@ VideoContent::VideoContent (Content* parent, vector<shared_ptr<Content> > c)
                        throw JoinError (_("Content to be joined must have the same fades."));
                }
 
+               if (c[i]->video->burnt_subtitle_language() != ref->burnt_subtitle_language()) {
+                       throw JoinError (_("Content to be joined must have the same burnt subtitle language."));
+               }
+
                _length += c[i]->video->length ();
 
                if (c[i]->video->yuv ()) {
@@ -243,8 +255,10 @@ VideoContent::VideoContent (Content* parent, vector<shared_ptr<Content> > c)
        _fade_in = ref->fade_in ();
        _fade_out = ref->fade_out ();
        _range = ref->range ();
+       _burnt_subtitle_language = ref->burnt_subtitle_language ();
 }
 
+
 void
 VideoContent::as_xml (xmlpp::Node* node) const
 {
@@ -272,6 +286,9 @@ VideoContent::as_xml (xmlpp::Node* node) const
        node->add_child("FadeIn")->add_child_text (raw_convert<string> (_fade_in));
        node->add_child("FadeOut")->add_child_text (raw_convert<string> (_fade_out));
        node->add_child("Range")->add_child_text(_range == VideoRange::FULL ? "full" : "video");
+       if (_burnt_subtitle_language) {
+               node->add_child("BurntSubtitleLanguage")->add_child_text(_burnt_subtitle_language->to_string());
+       }
 }
 
 void
@@ -556,6 +573,14 @@ VideoContent::set_use (bool u)
        maybe_set (_use, u, VideoContentProperty::USE);
 }
 
+
+void
+VideoContent::set_burnt_subtitle_language (boost::optional<dcp::LanguageTag> language)
+{
+       maybe_set (_burnt_subtitle_language, language, VideoContentProperty::BURNT_SUBTITLE_LANGUAGE);
+}
+
+
 void
 VideoContent::take_settings_from (shared_ptr<const VideoContent> c)
 {
@@ -574,8 +599,10 @@ VideoContent::take_settings_from (shared_ptr<const VideoContent> c)
        set_custom_size (c->_custom_size);
        set_fade_in (c->_fade_in);
        set_fade_out (c->_fade_out);
+       set_burnt_subtitle_language (c->_burnt_subtitle_language);
 }
 
+
 void
 VideoContent::modify_position (shared_ptr<const Film> film, DCPTime& pos) const
 {
index 22a6090e7a62454cac16ae25fe9be932b4c52df6..4e9e5815f3e864311d5b37a909665f77fc567941 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2013-2020 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013-2021 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
 
 */
 
+
 #ifndef DCPOMATIC_VIDEO_CONTENT_H
 #define DCPOMATIC_VIDEO_CONTENT_H
 
+
 #include "colour_conversion.h"
+#include "content_part.h"
 #include "dcpomatic_time.h"
-#include "user_property.h"
 #include "types.h"
-#include "content_part.h"
+#include "user_property.h"
+#include <dcp/language_tag.h>
 #include <boost/thread/mutex.hpp>
 
+
 class VideoExaminer;
 class Ratio;
 class Film;
 class Content;
 
+
 class VideoContentProperty
 {
 public:
@@ -47,8 +52,10 @@ public:
        static int const RANGE;
        static int const CUSTOM_RATIO;
        static int const CUSTOM_SIZE;
+       static int const BURNT_SUBTITLE_LANGUAGE;
 };
 
+
 class VideoContent : public ContentPart, public std::enable_shared_from_this<VideoContent>
 {
 public:
@@ -99,6 +106,8 @@ public:
        void set_range (VideoRange);
        void set_use (bool);
 
+       void set_burnt_subtitle_language (boost::optional<dcp::LanguageTag> language);
+
        VideoFrameType frame_type () const {
                boost::mutex::scoped_lock lm (_mutex);
                return _frame_type;
@@ -177,6 +186,12 @@ public:
                return _use;
        }
 
+       boost::optional<dcp::LanguageTag> burnt_subtitle_language () const {
+               boost::mutex::scoped_lock lm (_mutex);
+               return _burnt_subtitle_language;
+       }
+
+
        /* XXX: names for these? */
        dcp::Size size_after_3d_split () const;
        dcp::Size size_after_crop () const;
@@ -231,6 +246,7 @@ private:
        /** fade out time in content frames */
        Frame _fade_out;
        VideoRange _range;
+       boost::optional<dcp::LanguageTag> _burnt_subtitle_language;
 };
 
 #endif
index a33ffed90ee8ae50012da13366a56fa7b726c4b9..5b4650141697e2172dee10866bc64534f93d1086 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2020 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2020-2021 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -22,6 +22,7 @@
 #include "content_advanced_dialog.h"
 #include "dcpomatic_button.h"
 #include "filter_dialog.h"
+#include "language_tag_widget.h"
 #include "static_text.h"
 #include "wx_util.h"
 #include "lib/content.h"
@@ -56,12 +57,12 @@ ContentAdvancedDialog::ContentAdvancedDialog (wxWindow* parent, shared_ptr<Conte
        : wxDialog (parent, wxID_ANY, _("Advanced content settings"))
        , _content (content)
 {
-       wxGridBagSizer* sizer = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
+       auto sizer = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
 
        int r = 0;
 
        wxClientDC dc (this);
-       wxSize size = dc.GetTextExtent (wxT ("A quite long name"));
+       auto size = dc.GetTextExtent (wxT ("A quite long name"));
 #ifdef __WXGTK3__
        size.SetWidth (size.GetWidth() + 64);
 #endif
@@ -70,7 +71,7 @@ ContentAdvancedDialog::ContentAdvancedDialog (wxWindow* parent, shared_ptr<Conte
        add_label_to_sizer (sizer, this, _("Video filters"), true, wxGBPosition(r, 0));
        _filters = new StaticText (this, _("None"), wxDefaultPosition, size);
        _filters_button = new Button (this, _("Edit..."));
-       wxBoxSizer* filters = new wxBoxSizer (wxHORIZONTAL);
+       auto filters = new wxBoxSizer (wxHORIZONTAL);
        filters->Add (_filters, 1, wxALL | wxALIGN_CENTER_VERTICAL, DCPOMATIC_SIZER_GAP);
        filters->Add (_filters_button, 0, wxALL, DCPOMATIC_SIZER_GAP);
        sizer->Add (filters, wxGBPosition(r, 1), wxGBSpan(1, 2));
@@ -89,13 +90,21 @@ ContentAdvancedDialog::ContentAdvancedDialog (wxWindow* parent, shared_ptr<Conte
        sizer->Add (_set_video_frame_rate, wxGBPosition(r, 2));
        ++r;
 
-       wxCheckBox* ignore_video = new wxCheckBox (this, wxID_ANY, _("Ignore this content's video and use only audio, subtitles and closed captions"));
+       /// TRANSLATORS: next to this control is a language selector, so together they will read, for example
+       /// "Video has burnt-in subtitles in the language fr-FR"
+       _burnt_subtitle = new wxCheckBox (this, wxID_ANY, _("Video has burnt-in subtitles in the language"));
+       sizer->Add (_burnt_subtitle, wxGBPosition(r, 0), wxDefaultSpan, wxALIGN_CENTER_VERTICAL);
+       _burnt_subtitle_language = new LanguageTagWidget (this, _("Language of burnt-in subtitles in this content"), content->video ? content->video->burnt_subtitle_language() : boost::none);
+       sizer->Add (_burnt_subtitle_language->sizer(), wxGBPosition(r, 1), wxGBSpan(1, 2), wxEXPAND);
+       ++r;
+
+       auto ignore_video = new wxCheckBox (this, wxID_ANY, _("Ignore this content's video and use only audio, subtitles and closed captions"));
        sizer->Add (ignore_video, wxGBPosition(r, 0), wxGBSpan(1, 3));
        ++r;
 
-       wxSizer* overall = new wxBoxSizer (wxVERTICAL);
+       auto overall = new wxBoxSizer (wxVERTICAL);
        overall->Add (sizer, 1, wxALL, DCPOMATIC_DIALOG_BORDER);
-       wxSizer* buttons = CreateSeparatedButtonSizer (wxOK | wxCANCEL);
+       auto buttons = CreateSeparatedButtonSizer (wxOK | wxCANCEL);
        if (buttons) {
                overall->Add (buttons, wxSizerFlags().Expand().DoubleBorder());
        }
@@ -110,15 +119,22 @@ ContentAdvancedDialog::ContentAdvancedDialog (wxWindow* parent, shared_ptr<Conte
        video_frame_rate_label->Enable (!single_frame_image_content);
        _video_frame_rate->Enable (!single_frame_image_content);
 
-       optional<double> vfr = _content->video_frame_rate ();
+       auto vfr = _content->video_frame_rate ();
        if (vfr) {
                _video_frame_rate->SetValue (std_to_wx(locale_convert<string>(*vfr)));
        }
 
+       _burnt_subtitle->SetValue (_content->video && static_cast<bool>(_content->video->burnt_subtitle_language()));
+       _burnt_subtitle_language->set (_content->video ? _content->video->burnt_subtitle_language() : boost::none);
+
        ignore_video->Bind (wxEVT_CHECKBOX, bind(&ContentAdvancedDialog::ignore_video_changed, this, _1));
        _filters_button->Bind (wxEVT_BUTTON, bind(&ContentAdvancedDialog::edit_filters, this));
        _set_video_frame_rate->Bind (wxEVT_BUTTON, bind(&ContentAdvancedDialog::set_video_frame_rate, this));
        _video_frame_rate->Bind (wxEVT_TEXT, boost::bind(&ContentAdvancedDialog::video_frame_rate_changed, this));
+       _burnt_subtitle->Bind (wxEVT_CHECKBOX, boost::bind(&ContentAdvancedDialog::burnt_subtitle_changed, this));
+       _burnt_subtitle_language->Changed.connect (boost::bind(&ContentAdvancedDialog::burnt_subtitle_language_changed, this));
+
+       setup_sensitivity ();
 }
 
 
@@ -134,7 +150,7 @@ ContentAdvancedDialog::ignore_video_changed (wxCommandEvent& ev)
 void
 ContentAdvancedDialog::setup_filters ()
 {
-       shared_ptr<FFmpegContent> fcs = dynamic_pointer_cast<FFmpegContent>(_content);
+       auto fcs = dynamic_pointer_cast<FFmpegContent>(_content);
        if (!fcs) {
                checked_set (_filters, _("None"));
                _filters->Enable (false);
@@ -142,7 +158,7 @@ ContentAdvancedDialog::setup_filters ()
                return;
        }
 
-       string p = Filter::ffmpeg_string (fcs->filters());
+       auto p = Filter::ffmpeg_string (fcs->filters());
        if (p.empty()) {
                checked_set (_filters, _("None"));
        } else {
@@ -157,12 +173,12 @@ ContentAdvancedDialog::setup_filters ()
 void
 ContentAdvancedDialog::edit_filters ()
 {
-       shared_ptr<FFmpegContent> fcs = dynamic_pointer_cast<FFmpegContent>(_content);
+       auto fcs = dynamic_pointer_cast<FFmpegContent>(_content);
        if (!fcs) {
                return;
        }
 
-       FilterDialog* d = new FilterDialog (this, fcs->filters());
+       auto d = new FilterDialog (this, fcs->filters());
        d->ActiveChanged.connect (bind(&ContentAdvancedDialog::filters_changed, this, _1));
        d->ShowModal ();
        d->Destroy ();
@@ -172,7 +188,7 @@ ContentAdvancedDialog::edit_filters ()
 void
 ContentAdvancedDialog::filters_changed (vector<Filter const *> filters)
 {
-       shared_ptr<FFmpegContent> fcs = dynamic_pointer_cast<FFmpegContent>(_content);
+       auto fcs = dynamic_pointer_cast<FFmpegContent>(_content);
        if (!fcs) {
                return;
        }
@@ -209,3 +225,26 @@ ContentAdvancedDialog::video_frame_rate_changed ()
        _set_video_frame_rate->Enable (enable);
 }
 
+
+void
+ContentAdvancedDialog::setup_sensitivity ()
+{
+       _burnt_subtitle->Enable (static_cast<bool>(_content->video));
+       _burnt_subtitle_language->enable (_content->video && _burnt_subtitle->GetValue());
+}
+
+
+void
+ContentAdvancedDialog::burnt_subtitle_changed ()
+{
+       setup_sensitivity ();
+}
+
+
+void
+ContentAdvancedDialog::burnt_subtitle_language_changed ()
+{
+       DCPOMATIC_ASSERT (_content->video);
+       _content->video->set_burnt_subtitle_language (_burnt_subtitle_language->get());
+}
+
index 6eaaa2e2da0dc7efc2fd5e83b9b09bf79681ff25..84ad4afac196b896e78151a4ecbe45a033ac53fc 100644 (file)
@@ -29,6 +29,7 @@ DCPOMATIC_ENABLE_WARNINGS
 
 class Content;
 class Filter;
+class LanguageTagWidget;
 
 
 class ContentAdvancedDialog : public wxDialog
@@ -43,6 +44,9 @@ private:
        void setup_filters ();
        void set_video_frame_rate ();
        void video_frame_rate_changed ();
+       void setup_sensitivity ();
+       void burnt_subtitle_changed ();
+       void burnt_subtitle_language_changed ();
 
        std::shared_ptr<Content> _content;
 
@@ -50,5 +54,7 @@ private:
        wxButton* _filters_button;
        wxTextCtrl* _video_frame_rate;
        wxButton* _set_video_frame_rate;
+       wxCheckBox* _burnt_subtitle;
+       LanguageTagWidget* _burnt_subtitle_language;
 };
 
index 3304f4d3c1d717d606b389afec3f4259cc7ba017..d098c5c950e975319f79950b5f87d195efbfc56b 100644 (file)
@@ -459,6 +459,7 @@ DCPPanel::film_content_changed (int property)
            property == TextContentProperty::LANGUAGE ||
            property == TextContentProperty::LANGUAGE_IS_ADDITIONAL ||
            property == VideoContentProperty::SCALE ||
+           property == VideoContentProperty::BURNT_SUBTITLE_LANGUAGE ||
            property == DCPContentProperty::REFERENCE_VIDEO ||
            property == DCPContentProperty::REFERENCE_AUDIO ||
            property == DCPContentProperty::REFERENCE_TEXT) {