X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fcontent.cc;h=fa0031abfe27c32bb539da792d7691136a8239b6;hb=b8fb440b93ff5ee835249204bd5642cf95a4ac99;hp=43d0ef958c08bd7ca93ff772133242de018240da;hpb=596441a4e8cf03a88113646ca6da2f90e721a38b;p=dcpomatic.git

diff --git a/src/lib/content.cc b/src/lib/content.cc
index 43d0ef958..fa0031abf 100644
--- a/src/lib/content.cc
+++ b/src/lib/content.cc
@@ -1,5 +1,3 @@
-/* -*- c-basic-offset: 8; default-tab-width: 8; -*- */
-
 /*
     Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
 
@@ -24,59 +22,246 @@
 #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;
 
-Content::Content (Time s)
-	: _start (s)
+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 (boost::filesystem::path f)
-	: _file (f)
-	, _start (0)
+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 (shared_ptr<const cxml::Node> node)
+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)
 {
-	_file = node->string_child ("File");
+	_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");
-	_start = node->number_child<Time> ("Start");
+	_position = node->number_child<DCPTime> ("Position");
+	_trim_start = node->number_child<DCPTime> ("TrimStart");
+	_trim_end = node->number_child<DCPTime> ("TrimEnd");
 }
 
-Content::Content (Content const & o)
-	: boost::enable_shared_from_this<Content> (o)
-	, _file (o._file)
-	, _digest (o._digest)
-	, _start (o._start)
+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 ()) {
+			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 ()) {
+			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);
-	node->add_child("File")->add_child_text (_file.string());
+
+	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("Start")->add_child_text (lexical_cast<string> (_start));
+	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>)
+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)
 {
-	Changed (shared_from_this (), 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);
+		_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);
+	return content_factory (film, cxml::NodePtr (new cxml::Node (node)), Film::state_version);
+}
+
+string
+Content::technical_summary () const
+{
+	return String::compose ("%1 %2 %3", path_summary(), digest(), position());
+}
+
+DCPTime
+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 (DCPTime t) const
+{
+	return (t < trim_start() || t > (full_length() - trim_end ()));
+}
+
+/** @return string which includes everything about how this content affects
+ *  its playlist.
+ */
+string
+Content::identifier () const
+{
+	stringstream s;
+	
+	s << Content::digest()
+	  << "_" << position()
+	  << "_" << trim_start()
+	  << "_" << trim_end();
+
+	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;
 }