+/*
+ Copyright (C) 2012-2014 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 "raw_convert.h"
#include "cpl.h"
+#include "util.h"
+#include "mono_picture_mxf.h"
+#include "stereo_picture_mxf.h"
+#include "sound_mxf.h"
+#include "subtitle_content.h"
+#include "reel.h"
+#include "metadata.h"
+#include "signer.h"
+#include "exceptions.h"
+#include "xml.h"
+#include "compose.hpp"
+#include "reel_picture_asset.h"
+#include "reel_sound_asset.h"
+#include "reel_subtitle_asset.h"
+#include "local_time.h"
+#include <libxml/parser.h>
-using namespace std;
-using namespace libdcp;
+using std::string;
+using std::stringstream;
+using std::ostream;
+using std::list;
+using std::pair;
+using std::make_pair;
+using std::cout;
+using boost::shared_ptr;
+using boost::optional;
+using boost::dynamic_pointer_cast;
+using namespace dcp;
-CPL::CPL (string file)
- : XMLFile (file, "CompositionPlaylist")
+CPL::CPL (string annotation_text, ContentKind content_kind)
+ : _annotation_text (annotation_text)
+ /* default _content_title_text to _annotation_text */
+ , _content_title_text (annotation_text)
+ , _content_kind (content_kind)
+ , _content_version_id ("urn:uuid:" + make_uuid ())
{
- id = string_node ("Id");
- annotation_text = string_node ("AnnotationText");
- issue_date = string_node ("IssueDate");
- creator = string_node ("Creator");
- content_title_text = string_node ("ContentTitleText");
- content_kind = kind_node ("ContentKind");
- content_version = sub_node<ContentVersion> ("ContentVersion");
- ignore_node ("RatingList");
- reel_list = sub_node<ReelList> ("ReelList");
-
- done ();
+ /* default _content_version_id to and _content_version_label to
+ a random ID and the current time.
+ */
+ _content_version_id = "urn:uuid:" + make_uuid() + LocalTime().as_string ();
+ _content_version_label_text = _content_version_id;
}
-ContentVersion::ContentVersion (xmlpp::Node const * node)
- : XMLNode (node)
+/** Construct a CPL object from a XML file */
+CPL::CPL (boost::filesystem::path file)
+ : Asset (file)
+ , _content_kind (FEATURE)
{
- id = string_node ("Id");
- label_text = string_node ("LabelText");
- done ();
+ cxml::Document f ("CompositionPlaylist");
+ f.read_file (file);
+
+ _id = f.string_child ("Id");
+ if (_id.length() > 9) {
+ _id = _id.substr (9);
+ }
+ _annotation_text = f.optional_string_child ("AnnotationText").get_value_or ("");
+ _metadata.issuer = f.optional_string_child ("Issuer").get_value_or ("");
+ _metadata.creator = f.optional_string_child ("Creator").get_value_or ("");
+ _metadata.issue_date = f.string_child ("IssueDate");
+ _content_title_text = f.string_child ("ContentTitleText");
+ _content_kind = content_kind_from_string (f.string_child ("ContentKind"));
+ shared_ptr<cxml::Node> content_version = f.optional_node_child ("ContentVersion");
+ if (content_version) {
+ _content_version_id = content_version->optional_string_child ("Id").get_value_or ("");
+ _content_version_label_text = content_version->string_child ("LabelText");
+ content_version->done ();
+ }
+ f.ignore_child ("RatingList");
+ _reels = type_grand_children<Reel> (f, "ReelList", "Reel");
+
+ f.ignore_child ("Issuer");
+ f.ignore_child ("Signer");
+ f.ignore_child ("Signature");
+
+ f.done ();
}
-ReelList::ReelList (xmlpp::Node const * node)
- : XMLNode (node)
+/** Add a reel to this CPL.
+ * @param reel Reel to add.
+ */
+void
+CPL::add (boost::shared_ptr<Reel> reel)
{
- reels = sub_nodes<Reel> ("Reel");
- done ();
+ _reels.push_back (reel);
}
-Reel::Reel (xmlpp::Node const * node)
- : XMLNode (node)
+/** Write an CompositonPlaylist XML file.
+ * @param file Filename to write.
+ * @param standard INTEROP or SMPTE.
+ * @param signer Signer to sign the CPL, or 0 to add no signature.
+ */
+void
+CPL::write_xml (boost::filesystem::path file, Standard standard, shared_ptr<const Signer> signer) const
{
- id = string_node ("Id");
- asset_list = sub_node<CPLAssetList> ("AssetList");
+ xmlpp::Document doc;
+ xmlpp::Element* root;
+ if (standard == INTEROP) {
+ root = doc.create_root_node ("CompositionPlaylist", "http://www.digicine.com/PROTO-ASDCP-CPL-20040511#");
+ } else {
+ root = doc.create_root_node ("CompositionPlaylist", "http://www.smpte-ra.org/schemas/429-7/2006/CPL");
+ }
+
+ if (signer) {
+ root->set_namespace_declaration ("http://www.w3.org/2000/09/xmldsig#", "dsig");
+ }
+
+ root->add_child("Id")->add_child_text ("urn:uuid:" + _id);
+ root->add_child("AnnotationText")->add_child_text (_annotation_text);
+ root->add_child("IssueDate")->add_child_text (_metadata.issue_date);
+ root->add_child("Issuer")->add_child_text (_metadata.issuer);
+ root->add_child("Creator")->add_child_text (_metadata.creator);
+ root->add_child("ContentTitleText")->add_child_text (_content_title_text);
+ root->add_child("ContentKind")->add_child_text (content_kind_to_string (_content_kind));
+ {
+ xmlpp::Node* cv = root->add_child ("ContentVersion");
+ cv->add_child ("Id")->add_child_text (_content_version_id);
+ cv->add_child ("LabelText")->add_child_text (_content_version_label_text);
+ }
+ root->add_child("RatingList");
+
+ xmlpp::Element* reel_list = root->add_child ("ReelList");
+
+ for (list<shared_ptr<Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
+ (*i)->write_to_cpl (reel_list, standard);
+ }
- done ();
+ if (signer) {
+ signer->sign (root, standard);
+ }
+
+ /* This must not be the _formatted version otherwise signature digests will be wrong */
+ doc.write_to_file (file.string (), "UTF-8");
+
+ set_file (file);
}
-CPLAssetList::CPLAssetList (xmlpp::Node const * node)
- : XMLNode (node)
+list<shared_ptr<const ReelAsset> >
+CPL::reel_assets () const
{
- main_picture = sub_node<MainPicture> ("MainPicture");
- main_sound = optional_sub_node<MainSound> ("MainSound");
+ list<shared_ptr<const ReelAsset> > c;
+
+ for (list<shared_ptr<Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
+ if ((*i)->main_picture ()) {
+ c.push_back ((*i)->main_picture());
+ }
+ if ((*i)->main_sound ()) {
+ c.push_back ((*i)->main_sound());
+ }
+ if ((*i)->main_subtitle ()) {
+ c.push_back ((*i)->main_subtitle());
+ }
+ }
- done ();
+ return c;
+}
+
+bool
+CPL::equals (shared_ptr<const Asset> other, EqualityOptions opt, boost::function<void (NoteType, string)> note) const
+{
+ shared_ptr<const CPL> other_cpl = dynamic_pointer_cast<const CPL> (other);
+ if (!other_cpl) {
+ return false;
+ }
+
+ if (_annotation_text != other_cpl->_annotation_text && !opt.cpl_annotation_texts_can_differ) {
+ stringstream s;
+ s << "CPL: annotation texts differ: " << _annotation_text << " vs " << other_cpl->_annotation_text << "\n";
+ note (DCP_ERROR, s.str ());
+ return false;
+ }
+
+ if (_content_kind != other_cpl->_content_kind) {
+ note (DCP_ERROR, "CPL: content kinds differ");
+ return false;
+ }
+
+ if (_reels.size() != other_cpl->_reels.size()) {
+ note (DCP_ERROR, String::compose ("CPL: reel counts differ (%1 vs %2)", _reels.size(), other_cpl->_reels.size()));
+ return false;
+ }
+
+ list<shared_ptr<Reel> >::const_iterator a = _reels.begin ();
+ list<shared_ptr<Reel> >::const_iterator b = other_cpl->_reels.begin ();
+
+ while (a != _reels.end ()) {
+ if (!(*a)->equals (*b, opt, note)) {
+ return false;
+ }
+ ++a;
+ ++b;
+ }
+
+ return true;
+}
+
+/** @return true if we have any encrypted content */
+bool
+CPL::encrypted () const
+{
+ for (list<shared_ptr<Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
+ if ((*i)->encrypted ()) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+/** Add a KDM to this CPL. If the KDM is for any of this CPLs assets it will be used
+ * to decrypt those assets.
+ * @param kdm KDM.
+ */
+void
+CPL::add (DecryptedKDM const & kdm)
+{
+ for (list<shared_ptr<Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
+ (*i)->add (kdm);
+ }
}
-MainPicture::MainPicture (xmlpp::Node const * node)
- : XMLNode (node)
+void
+CPL::resolve_refs (list<shared_ptr<Object> > objects)
{
- id = string_node ("Id");
- annotation_text = string_node ("AnnotationText");
- edit_rate = fraction_node ("EditRate");
- intrinsic_duration = int_node ("IntrinsicDuration");
- entry_point = int_node ("EntryPoint");
- duration = int_node ("Duration");
- frame_rate = fraction_node ("FrameRate");
- screen_aspect_ratio = fraction_node ("ScreenAspectRatio");
-
- done ();
+ for (list<shared_ptr<Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
+ (*i)->resolve_refs (objects);
+ }
}
-MainSound::MainSound (xmlpp::Node const * node)
- : XMLNode (node)
+string
+CPL::pkl_type (Standard standard) const
{
- id = string_node ("Id");
- annotation_text = string_node ("AnnotationText");
- edit_rate = fraction_node ("EditRate");
- intrinsic_duration = int_node ("IntrinsicDuration");
- entry_point = int_node ("EntryPoint");
- duration = int_node ("Duration");
-
- done ();
+ switch (standard) {
+ case INTEROP:
+ return "text/xml;asdcpKind=CPL";
+ case SMPTE:
+ return "text/xml";
+ default:
+ assert (false);
+ }
}
+
projects / libdcp.git / blobdiff