+/*
+ 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"
+#include "exceptions.h"
+#include "film.h"
+
+#include "i18n.h"
using std::string;
+using std::stringstream;
+using std::set;
+using std::list;
+using std::cout;
+using std::vector;
using boost::shared_ptr;
+using boost::lexical_cast;
+
+int const ContentProperty::PATH = 400;
+int const ContentProperty::POSITION = 401;
+int const ContentProperty::LENGTH = 402;
+int const ContentProperty::TRIM_START = 403;
+int const ContentProperty::TRIM_END = 404;
+
+Content::Content (shared_ptr<const Film> f)
+ : _film (f)
+ , _position (0)
+ , _trim_start (0)
+ , _trim_end (0)
+ , _change_signals_frequent (false)
+{
+
+}
+
+Content::Content (shared_ptr<const Film> f, DCPTime p)
+ : _film (f)
+ , _position (p)
+ , _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, boost::filesystem::path p)
+ : _film (f)
+ , _position (0)
+ , _trim_start (0)
+ , _trim_end (0)
+ , _change_signals_frequent (false)
{
+ _paths.push_back (p);
+}
+Content::Content (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node)
+ : _film (f)
+ , _change_signals_frequent (false)
+{
+ list<cxml::NodePtr> path_children = node->node_children ("Path");
+ for (list<cxml::NodePtr>::const_iterator i = path_children.begin(); i != path_children.end(); ++i) {
+ _paths.push_back ((*i)->content ());
+ }
+ _digest = node->string_child ("Digest");
+ _position = DCPTime (node->number_child<double> ("Position"));
+ _trim_start = DCPTime (node->number_child<double> ("TrimStart"));
+ _trim_end = DCPTime (node->number_child<double> ("TrimEnd"));
+}
+
+Content::Content (shared_ptr<const Film> f, vector<shared_ptr<Content> > c)
+ : _film (f)
+ , _position (c.front()->position ())
+ , _trim_start (c.front()->trim_start ())
+ , _trim_end (c.back()->trim_end ())
+ , _change_signals_frequent (false)
+{
+ for (size_t i = 0; i < c.size(); ++i) {
+ if (i > 0 && c[i]->trim_start() > DCPTime()) {
+ throw JoinError (_("Only the first piece of content to be joined can have a start trim."));
+ }
+
+ if (i < (c.size() - 1) && c[i]->trim_end () > DCPTime()) {
+ throw JoinError (_("Only the last piece of content to be joined can have an end trim."));
+ }
+
+ for (size_t j = 0; j < c[i]->number_of_paths(); ++j) {
+ _paths.push_back (c[i]->path (j));
+ }
+ }
+}
+
+void
+Content::as_xml (xmlpp::Node* node) 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 ());
+ }
+ node->add_child("Digest")->add_child_text (_digest);
+ node->add_child("Position")->add_child_text (lexical_cast<string> (_position.get ()));
+ node->add_child("TrimStart")->add_child_text (lexical_cast<string> (_trim_start.get ()));
+ node->add_child("TrimEnd")->add_child_text (lexical_cast<string> (_trim_end.get ()));
}
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);
+ vector<boost::filesystem::path> p = _paths;
+ lm.unlock ();
+
+ string const d = md5_digest (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 (DCPTime p)
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ if (p == _position) {
+ return;
+ }
+
+ _position = p;
+ }
+
+ signal_changed (ContentProperty::POSITION);
+}
+
+void
+Content::set_trim_start (DCPTime t)
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _trim_start = t;
+ }
+
+ signal_changed (ContentProperty::TRIM_START);
+}
+
+void
+Content::set_trim_end (DCPTime 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);
+
+ /* notes is unused here (we assume) */
+ list<string> notes;
+ return content_factory (film, cxml::NodePtr (new cxml::Node (node)), Film::current_state_version, notes);
+}
+
+string
+Content::technical_summary () const
+{
+ return String::compose ("%1 %2 %3", path_summary(), digest(), position().seconds());
+}
+
+DCPTime
+Content::length_after_trim () const
+{
+ return full_length() - trim_start() - trim_end();
+}
+
+/** @return string which includes everything about how this content affects
+ * its playlist.
+ */
+string
+Content::identifier () const
+{
+ stringstream s;
+
+ s << Content::digest()
+ << "_" << position().get()
+ << "_" << trim_start().get()
+ << "_" << trim_end().get();
+
+ return s.str ();
+}
+
+bool
+Content::paths_valid () const
+{
+ for (vector<boost::filesystem::path>::const_iterator i = _paths.begin(); i != _paths.end(); ++i) {
+ if (!boost::filesystem::exists (*i)) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+void
+Content::set_path (boost::filesystem::path path)
+{
+ _paths.clear ();
+ _paths.push_back (path);
+ signal_changed (ContentProperty::PATH);
+}
+
+string
+Content::path_summary () const
+{
+ /* XXX: should handle multiple paths more gracefully */
+
+ assert (number_of_paths ());
+
+ string s = path(0).filename().string ();
+ if (number_of_paths() > 1) {
+ s += " ...";
+ }
+
+ return s;
+}
projects / dcpomatic.git / blobdiff