-CPL::CPL (string directory, string name, ContentKind content_kind, int length, int frames_per_second)
- : _directory (directory)
- , _name (name)
- , _content_kind (content_kind)
- , _length (length)
- , _fps (frames_per_second)
-{
- _uuid = make_uuid ();
-}
-
-CPL::CPL (string directory, string file, shared_ptr<const AssetMap> asset_map, bool require_mxfs)
- : _directory (directory)
- , _content_kind (FEATURE)
- , _length (0)
- , _fps (0)
-{
- /* Read the XML */
- shared_ptr<CPLFile> cpl;
- try {
- cpl.reset (new CPLFile (file));
- } catch (FileError& e) {
- throw FileError ("could not load CPL file", file);
- }
-
- /* Now cherry-pick the required bits into our own data structure */
-
- _name = cpl->annotation_text;
- _content_kind = cpl->content_kind;
-
- for (list<shared_ptr<CPLReel> >::iterator i = cpl->reels.begin(); i != cpl->reels.end(); ++i) {
-
- shared_ptr<Picture> p;
-
- if ((*i)->asset_list->main_picture) {
- p = (*i)->asset_list->main_picture;
- } else {
- p = (*i)->asset_list->main_stereoscopic_picture;
- }
-
- _fps = p->edit_rate.numerator;
- _length += p->duration;
-
- shared_ptr<PictureAsset> picture;
- shared_ptr<SoundAsset> sound;
- shared_ptr<SubtitleAsset> subtitle;
-
- /* Some rather twisted logic to decide if we are 3D or not;
- some DCPs give a MainStereoscopicPicture to indicate 3D, others
- just have a FrameRate twice the EditRate and apparently
- expect you to divine the fact that they are hence 3D.
- */
-
- if (!(*i)->asset_list->main_stereoscopic_picture && p->edit_rate == p->frame_rate) {
-
- try {
- picture.reset (new MonoPictureAsset (
- _directory,
- asset_map->asset_from_id (p->id)->chunks.front()->path,
- _fps,
- (*i)->asset_list->main_picture->entry_point,
- (*i)->asset_list->main_picture->duration
- )
- );
- } catch (MXFFileError) {
- if (require_mxfs) {
- throw;
- }
- }
-
- } else {
-
- try {
- picture.reset (new StereoPictureAsset (
- _directory,
- asset_map->asset_from_id (p->id)->chunks.front()->path,
- _fps,
- p->entry_point,
- p->duration
- )
- );
- } catch (MXFFileError) {
- if (require_mxfs) {
- throw;
- }
- }
-
- }
-
- if ((*i)->asset_list->main_sound) {
-
- try {
- sound.reset (new SoundAsset (
- _directory,
- asset_map->asset_from_id ((*i)->asset_list->main_sound->id)->chunks.front()->path,
- _fps,
- (*i)->asset_list->main_sound->entry_point,
- (*i)->asset_list->main_sound->duration
- )
- );
- } catch (MXFFileError) {
- if (require_mxfs) {
- throw;
- }
- }
- }
-
- if ((*i)->asset_list->main_subtitle) {
-
- subtitle.reset (new SubtitleAsset (
- _directory,
- asset_map->asset_from_id ((*i)->asset_list->main_subtitle->id)->chunks.front()->path
- )
- );
- }
-
- _reels.push_back (shared_ptr<Reel> (new Reel (picture, sound, subtitle)));
- }
-}
-
-void
-CPL::add_reel (shared_ptr<const Reel> reel)
-{
- _reels.push_back (reel);
-}
-
-void
-CPL::write_xml (bool encrypted, CertificateChain const & certificates, string const & signer_key) const
-{
- boost::filesystem::path p;
- p /= _directory;
- stringstream s;
- s << _uuid << "_cpl.xml";
- p /= s.str();
-
- xmlpp::Document doc;
- xmlpp::Element* cpl = doc.create_root_node("CompositionPlaylist", "http://www.smpte-ra.org/schemas/429-7/2006/CPL");
-
- if (encrypted) {
- cpl->set_namespace_declaration ("http://www.w3.org/2000/09/xmldsig#", "dsig");
- }
-
- cpl->add_child("Id")->add_child_text ("urn:uuid:" + _uuid);
- cpl->add_child("AnnotationText")->add_child_text (_name);
- cpl->add_child("IssueDate")->add_child_text (Metadata::instance()->issue_date);
- cpl->add_child("Creator")->add_child_text (Metadata::instance()->creator);
- cpl->add_child("ContentTitleText")->add_child_text (_name);
- cpl->add_child("ContentKind")->add_child_text (content_kind_to_string (_content_kind));
-
- {
- xmlpp::Element* cv = cpl->add_child ("ContentVersion");
- cv->add_child("Id")->add_child_text ("urn:uri:" + _uuid + "_" + Metadata::instance()->issue_date);
- cv->add_child("LabelText")->add_child_text (_uuid + "_" + Metadata::instance()->issue_date);
- }
-
- cpl->add_child("RatingList");
-
- xmlpp::Element* reel_list = cpl->add_child("ReelList");
- for (list<shared_ptr<const Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
- (*i)->write_to_cpl (reel_list);
- }
-
- if (encrypted) {
- sign (cpl, certificates, signer_key);
- }
-
- doc.write_to_file_formatted (p.string(), "UTF-8");
-
- _digest = make_digest (p.string (), 0);
- _length = boost::filesystem::file_size (p.string ());
-}
-
-void
-CPL::write_to_pkl (xmlpp::Element* p) const
-{
- xmlpp::Element* asset = p->add_child("Asset");
- asset->add_child("Id")->add_child_text("urn:uuid:" + _uuid);
- asset->add_child("Hash")->add_child_text(_digest);
- asset->add_child("Size")->add_child_text(boost::lexical_cast<string> (_length));
- asset->add_child("Type")->add_child_text("text/xml");
-}
-
-list<shared_ptr<const Asset> >
-CPL::assets () const
-{
- list<shared_ptr<const Asset> > a;
- for (list<shared_ptr<const Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
- if ((*i)->main_picture ()) {
- a.push_back ((*i)->main_picture ());
- }
- if ((*i)->main_sound ()) {
- a.push_back ((*i)->main_sound ());
- }
- if ((*i)->main_subtitle ()) {
- a.push_back ((*i)->main_subtitle ());
- }
- }
-
- return a;
-}
-
-void
-CPL::write_to_assetmap (ostream& s) const
-{
- s << " <Asset>\n"
- << " <Id>urn:uuid:" << _uuid << "</Id>\n"
- << " <ChunkList>\n"
- << " <Chunk>\n"
- << " <Path>" << _uuid << "_cpl.xml</Path>\n"
- << " <VolumeIndex>1</VolumeIndex>\n"
- << " <Offset>0</Offset>\n"
- << " <Length>" << _length << "</Length>\n"
- << " </Chunk>\n"
- << " </ChunkList>\n"
- << " </Asset>\n";
-}
-
-
-