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

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

diff --git a/src/lib/imagemagick_content.cc b/src/lib/imagemagick_content.cc
index d096bff847f199fd68b852cc55e9dbbc463135ec..a4777e3cda11350c5823384fb5022c4b8c702e7b 100644 (file)
--- a/src/lib/imagemagick_content.cc
+++ b/src/lib/imagemagick_content.cc
@@ -1,22 +1,52 @@
+/*
+    Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include <libcxml/cxml.h>
 #include "imagemagick_content.h"
+#include "imagemagick_decoder.h"
+#include "config.h"
 #include "compose.hpp"
 
 #include "i18n.h"
 
 using std::string;
+using std::stringstream;
+using boost::shared_ptr;
+
+ImageMagickContent::ImageMagickContent (shared_ptr<const Film> f, boost::filesystem::path p)
+       : Content (f, p)
+       , VideoContent (f, p)
+{
 
-ImageMagickContent::ImageMagickContent (boost::filesystem::path f)
-       : Content (f)
-       , VideoContent (f)
+}
+
+ImageMagickContent::ImageMagickContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node)
+       : Content (f, node)
+       , VideoContent (f, node)
 {
-       /* XXX */
-       _video_length = 10 * 24;
+       
 }
 
 string
 ImageMagickContent::summary () const
 {
-       return String::compose (_("Image: %1"), file().filename ());
+       return String::compose (_("Image: %1"), file().filename().string());
 }
 
 bool
@@ -26,3 +56,52 @@ ImageMagickContent::valid_file (boost::filesystem::path f)
        transform (ext.begin(), ext.end(), ext.begin(), ::tolower);
        return (ext == ".tif" || ext == ".tiff" || ext == ".jpg" || ext == ".jpeg" || ext == ".png" || ext == ".bmp");
 }
+
+void
+ImageMagickContent::as_xml (xmlpp::Node* node) const
+{
+       node->add_child("Type")->add_child_text ("ImageMagick");
+       Content::as_xml (node);
+       VideoContent::as_xml (node);
+}
+
+void
+ImageMagickContent::examine (shared_ptr<Job> job)
+{
+       Content::examine (job);
+
+       shared_ptr<const Film> film = _film.lock ();
+       assert (film);
+       
+       shared_ptr<ImageMagickDecoder> decoder (new ImageMagickDecoder (film, shared_from_this()));
+
+       set_video_length (Config::instance()->default_still_length() * 24);
+       take_from_video_decoder (decoder);
+}
+
+shared_ptr<Content>
+ImageMagickContent::clone () const
+{
+       return shared_ptr<Content> (new ImageMagickContent (*this));
+}
+
+void
+ImageMagickContent::set_video_length (ContentVideoFrame len)
+{
+       {
+               boost::mutex::scoped_lock lm (_mutex);
+               _video_length = len;
+       }
+
+       signal_changed (ContentProperty::LENGTH);
+}
+
+Time
+ImageMagickContent::length () const
+{
+       shared_ptr<const Film> film = _film.lock ();
+       assert (film);
+       
+       FrameRateConversion frc (24, film->dcp_video_frame_rate ());
+       return video_length() * frc.factor() * TIME_HZ / film->dcp_video_frame_rate ();
+}