More automated renaming.
[dcpomatic.git] / src / lib / content.cc
index a56573ed28536503e4099a7bdd88c44ebb23604f..7a808828939deeab28e9f80b0ebfe9a53d77ee22 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013-2018 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
 #include "content.h"
 #include "util.h"
 #include "content_factory.h"
+#include "video_content.h"
+#include "audio_content.h"
+#include "text_content.h"
 #include "exceptions.h"
 #include "film.h"
 #include "job.h"
 #include "compose.hpp"
-#include "raw_convert.h"
-#include <locked_sstream.h>
+#include <dcp/locale_convert.h>
+#include <dcp/raw_convert.h>
 #include <libcxml/cxml.h>
 #include <libxml++/libxml++.h>
 #include <boost/thread/mutex.hpp>
@@ -45,6 +48,9 @@ using std::vector;
 using std::max;
 using std::pair;
 using boost::shared_ptr;
+using boost::optional;
+using dcp::raw_convert;
+using dcp::locale_convert;
 
 int const ContentProperty::PATH = 400;
 int const ContentProperty::POSITION = 401;
@@ -133,12 +139,14 @@ Content::Content (shared_ptr<const Film> film, vector<shared_ptr<Content> > c)
 }
 
 void
-Content::as_xml (xmlpp::Node* node) const
+Content::as_xml (xmlpp::Node* node, bool with_paths) const
 {
        boost::mutex::scoped_lock lm (_mutex);
 
-       for (vector<boost::filesystem::path>::const_iterator i = _paths.begin(); i != _paths.end(); ++i) {
-               node->add_child("Path")->add_child_text (i->string ());
+       if (with_paths) {
+               for (vector<boost::filesystem::path>::const_iterator i = _paths.begin(); i != _paths.end(); ++i) {
+                       node->add_child("Path")->add_child_text (i->string ());
+               }
        }
        node->add_child("Digest")->add_child_text (_digest);
        node->add_child("Position")->add_child_text (raw_convert<string> (_position.get ()));
@@ -183,6 +191,11 @@ Content::signal_changed (int p)
 void
 Content::set_position (DCPTime p)
 {
+       /* video content can modify its position */
+       if (video) {
+               video->modify_position (p);
+       }
+
        {
                boost::mutex::scoped_lock lm (_mutex);
                if (p == _position) {
@@ -198,6 +211,11 @@ Content::set_position (DCPTime p)
 void
 Content::set_trim_start (ContentTime t)
 {
+       /* video content can modify its start trim */
+       if (video) {
+               video->modify_trim_start (t);
+       }
+
        {
                boost::mutex::scoped_lock lm (_mutex);
                _trim_start = t;
@@ -229,7 +247,7 @@ Content::clone () const
        /* This is a bit naughty, but I can't think of a compelling reason not to do it ... */
        xmlpp::Document doc;
        xmlpp::Node* node = doc.create_root_node ("Content");
-       as_xml (node);
+       as_xml (node, true);
 
        /* notes is unused here (we assume) */
        list<string> notes;
@@ -254,14 +272,12 @@ Content::length_after_trim () const
 string
 Content::identifier () const
 {
-       locked_stringstream s;
-
-       s << Content::digest()
-         << "_" << position().get()
-         << "_" << trim_start().get()
-         << "_" << trim_end().get();
-
-       return s.str ();
+       char buffer[256];
+       snprintf (
+               buffer, sizeof(buffer), "%s_%" PRId64 "_%" PRId64 "_%" PRId64,
+               Content::digest().c_str(), position().get(), trim_start().get(), trim_end().get()
+               );
+       return buffer;
 }
 
 bool
@@ -284,6 +300,13 @@ Content::set_path (boost::filesystem::path path)
        signal_changed (ContentProperty::PATH);
 }
 
+void
+Content::set_paths (vector<boost::filesystem::path> paths)
+{
+       _paths = paths;
+       signal_changed (ContentProperty::PATH);
+}
+
 string
 Content::path_summary () const
 {
@@ -321,8 +344,10 @@ list<DCPTime>
 Content::reel_split_points () const
 {
        list<DCPTime> t;
-       /* XXX: this is questionable; perhaps the position itself should be forced to be on a frame boundary */
-       t.push_back (position().round_up (film()->video_frame_rate()));
+       /* This is only called for video content and such content has its position forced
+          to start on a frame boundary.
+       */
+       t.push_back (position());
        return t;
 }
 
@@ -335,6 +360,23 @@ Content::set_video_frame_rate (double r)
        }
 
        signal_changed (ContentProperty::VIDEO_FRAME_RATE);
+
+       /* Make sure things are still on frame boundaries */
+       if (video) {
+               set_position (position());
+               set_trim_start (trim_start());
+       }
+}
+
+void
+Content::unset_video_frame_rate ()
+{
+       {
+               boost::mutex::scoped_lock lm (_mutex);
+               _video_frame_rate = optional<double>();
+       }
+
+       signal_changed (ContentProperty::VIDEO_FRAME_RATE);
 }
 
 double
@@ -367,7 +409,7 @@ Content::add_properties (list<UserProperty>& p) const
                                UserProperty (
                                        UserProperty::VIDEO,
                                        _("Frame rate"),
-                                       raw_convert<string> (_video_frame_rate.get(), 5),
+                                       locale_convert<string> (_video_frame_rate.get(), 5),
                                        _("frames per second")
                                        )
                                );
@@ -376,10 +418,52 @@ Content::add_properties (list<UserProperty>& p) const
                                UserProperty (
                                        UserProperty::GENERAL,
                                        _("Prepared for video frame rate"),
-                                       raw_convert<string> (_video_frame_rate.get(), 5),
+                                       locale_convert<string> (_video_frame_rate.get(), 5),
                                        _("frames per second")
                                        )
                                );
                }
        }
 }
+
+/** Take settings from the given content if it is of the correct type */
+void
+Content::take_settings_from (shared_ptr<const Content> c)
+{
+       if (video && c->video) {
+               video->take_settings_from (c->video);
+       }
+       if (audio && c->audio) {
+               audio->take_settings_from (c->audio);
+       }
+
+       list<shared_ptr<TextContent> >::iterator i = caption.begin ();
+       list<shared_ptr<TextContent> >::const_iterator j = c->caption.begin ();
+       while (i != caption.end() && j != c->caption.end()) {
+               (*i)->take_settings_from (*j);
+               ++i;
+               ++j;
+       }
+}
+
+shared_ptr<TextContent>
+Content::only_caption () const
+{
+       DCPOMATIC_ASSERT (caption.size() < 2);
+       if (caption.empty ()) {
+               return shared_ptr<TextContent> ();
+       }
+       return caption.front ();
+}
+
+shared_ptr<TextContent>
+Content::caption_of_original_type (TextType type) const
+{
+       BOOST_FOREACH (shared_ptr<TextContent> i, caption) {
+               if (i->original_type() == type) {
+                       return i;
+               }
+       }
+
+       return shared_ptr<TextContent> ();
+}