Support TGA file directories and improve progress reporting when hashing directories...

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

diff --git a/src/lib/content.cc b/src/lib/content.cc
index 2fb94e9598ae621228441dc47eb8331a13258956..d2a07f79523f0e052b649a0d64425af9941b62d7 100644 (file)
--- a/src/lib/content.cc
+++ b/src/lib/content.cc
@@ -1,20 +1,176 @@
+/*
+    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 <boost/thread/mutex.hpp>
+#include <libxml++/libxml++.h>
+#include <libcxml/cxml.h>
 #include "content.h"
 #include "util.h"
+#include "content_factory.h"
+#include "ui_signaller.h"
 
 using std::string;
+using std::set;
 using boost::shared_ptr;
+using boost::lexical_cast;
+
+int const ContentProperty::POSITION = 400;
+int const ContentProperty::LENGTH = 401;
+int const ContentProperty::TRIM_START = 402;
+int const ContentProperty::TRIM_END = 403;
+
+Content::Content (shared_ptr<const Film> f, Time p)
+       : _film (f)
+       , _position (p)
+       , _trim_start (0)
+       , _trim_end (0)
+       , _change_signals_frequent (false)
+{
+
+}
+
+Content::Content (shared_ptr<const Film> f, boost::filesystem::path p)
+       : _film (f)
+       , _path (p)
+       , _position (0)
+       , _trim_start (0)
+       , _trim_end (0)
+       , _change_signals_frequent (false)
+{
+
+}
 
-Content::Content (boost::filesystem::path f)
-       : _file (f)
+Content::Content (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node)
+       : _film (f)
+       , _change_signals_frequent (false)
 {
+       _path = node->string_child ("Path");
+       _digest = node->string_child ("Digest");
+       _position = node->number_child<Time> ("Position");
+       _trim_start = node->number_child<Time> ("TrimStart");
+       _trim_end = node->number_child<Time> ("TrimEnd");
+}
 
+void
+Content::as_xml (xmlpp::Node* node) const
+{
+       boost::mutex::scoped_lock lm (_mutex);
+       
+       node->add_child("Path")->add_child_text (_path.string());
+       node->add_child("Digest")->add_child_text (_digest);
+       node->add_child("Position")->add_child_text (lexical_cast<string> (_position));
+       node->add_child("TrimStart")->add_child_text (lexical_cast<string> (_trim_start));
+       node->add_child("TrimEnd")->add_child_text (lexical_cast<string> (_trim_end));
 }
 
 void
-Content::examine (shared_ptr<Film>, shared_ptr<Job>, bool)
+Content::examine (shared_ptr<Job> job)
 {
-       string const d = md5_digest (_file);
        boost::mutex::scoped_lock lm (_mutex);
+       boost::filesystem::path p = _path;
+       lm.unlock ();
+       
+       string d;
+       if (boost::filesystem::is_regular_file (p)) {
+               d = md5_digest (p);
+       } else {
+               d = md5_digest_directory (p, job);
+       }
+
+       lm.lock ();
        _digest = d;
 }
+
+void
+Content::signal_changed (int p)
+{
+       if (ui_signaller) {
+               ui_signaller->emit (boost::bind (boost::ref (Changed), shared_from_this (), p, _change_signals_frequent));
+       }
+}
+
+void
+Content::set_position (Time p)
+{
+       {
+               boost::mutex::scoped_lock lm (_mutex);
+               _position = p;
+       }
+
+       signal_changed (ContentProperty::POSITION);
+}
+
+void
+Content::set_trim_start (Time t)
+{
+       {
+               boost::mutex::scoped_lock lm (_mutex);
+               _trim_start = t;
+       }
+
+       signal_changed (ContentProperty::TRIM_START);
+}
+
+void
+Content::set_trim_end (Time t)
+{
+       {
+               boost::mutex::scoped_lock lm (_mutex);
+               _trim_end = t;
+       }
+
+       signal_changed (ContentProperty::TRIM_END);
+}
+
+
+shared_ptr<Content>
+Content::clone () const
+{
+       shared_ptr<const Film> film = _film.lock ();
+       if (!film) {
+               return shared_ptr<Content> ();
+       }
+       
+       /* 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);
+       return content_factory (film, shared_ptr<cxml::Node> (new cxml::Node (node)));
+}
+
+string
+Content::technical_summary () const
+{
+       return String::compose ("%1 %2 %3", path(), digest(), position());
+}
+
+Time
+Content::length_after_trim () const
+{
+       return full_length() - trim_start() - trim_end();
+}
+
+/** @param t A time relative to the start of this content (not the position).
+ *  @return true if this time is trimmed by our trim settings.
+ */
+bool
+Content::trimmed (Time t) const
+{
+       return (t < trim_start() || t > (full_length() - trim_end ()));
+}