Support for keeping video in sequence when changing lengths; tie selection in timelin...

[dcpomatic.git] / src / lib / playlist.cc

diff --git a/src/lib/playlist.cc b/src/lib/playlist.cc
index d2df75a09a4a9e045c73c7f4d7f14803518630a0..d32ec6ba8ac911e70295d70840a1ce67347be4b7 100644 (file)
--- a/src/lib/playlist.cc
+++ b/src/lib/playlist.cc
@@ -1,5 +1,3 @@
-/* -*- c-basic-offset: 8; default-tab-width: 8; -*- */
-
 /*
     Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
 
@@ -51,6 +49,8 @@ using boost::lexical_cast;
 
 Playlist::Playlist ()
        : _loop (1)
+       , _sequence_video (true)
+       , _sequencing_video (false)
 {
 
 }
@@ -72,6 +72,26 @@ Playlist::~Playlist ()
 void
 Playlist::content_changed (weak_ptr<Content> c, int p)
 {
+       if (p == ContentProperty::LENGTH && _sequence_video && !_sequencing_video) {
+               cout << "sequencing.\n";
+               _sequencing_video = true;
+
+               ContentList cl = _content;
+               sort (cl.begin(), cl.end(), ContentSorter ());
+               Time last = 0;
+               for (ContentList::iterator i = cl.begin(); i != cl.end(); ++i) {
+                       if (!dynamic_pointer_cast<VideoContent> (*i)) {
+                               continue;
+                       }
+
+                       (*i)->set_start (last);
+                       cout << (*i)->file() << " -> " << last << "\n";
+                       last = (*i)->end ();
+               }
+
+               _sequencing_video = false;
+       }
+       
        ContentChanged (c, p);
 }
 
@@ -143,6 +163,7 @@ Playlist::set_from_xml (shared_ptr<const Film> film, shared_ptr<const cxml::Node
 
        reconnect ();
        _loop = node->number_child<int> ("Loop");
+       _sequence_video = node->bool_child ("SequenceVideo");
 }
 
 /** @param node <Playlist> node */
@@ -154,6 +175,7 @@ Playlist::as_xml (xmlpp::Node* node)
        }
 
        node->add_child("Loop")->add_child_text(lexical_cast<string> (_loop));
+       node->add_child("SequenceVideo")->add_child_text(_sequence_video ? "1" : "0");
 }
 
 void
@@ -297,3 +319,15 @@ Playlist::video_end () const
 
        return end;
 }
+
+void
+Playlist::set_sequence_video (bool s)
+{
+       _sequence_video = s;
+}
+
+bool
+ContentSorter::operator() (shared_ptr<Content> a, shared_ptr<Content> b)
+{
+       return a->start() < b->start();
+}