-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 ();
-}
-
-/** Construct a CPL object from a XML file.
- * @param directory The directory containing this CPL's DCP.
- * @param file The CPL XML filename.
- * @param asset_map The corresponding asset map.
- * @param require_mxfs true to throw an exception if a required MXF file does not exist.
- */
-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 () const
-{
- boost::filesystem::path p;
- p /= _directory;
- stringstream s;
- s << _uuid << "_cpl.xml";
- p /= s.str();
- ofstream os (p.string().c_str());
-
- os << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
- << "<CompositionPlaylist xmlns=\"http://www.smpte-ra.org/schemas/429-7/2006/CPL\">\n"
- << " <Id>urn:uuid:" << _uuid << "</Id>\n"
- << " <AnnotationText>" << _name << "</AnnotationText>\n"
- << " <IssueDate>" << Metadata::instance()->issue_date << "</IssueDate>\n"
- << " <Creator>" << Metadata::instance()->creator << "</Creator>\n"
- << " <ContentTitleText>" << _name << "</ContentTitleText>\n"
- << " <ContentKind>" << content_kind_to_string (_content_kind) << "</ContentKind>\n"
- << " <ContentVersion>\n"
- << " <Id>urn:uri:" << _uuid << "_" << Metadata::instance()->issue_date << "</Id>\n"
- << " <LabelText>" << _uuid << "_" << Metadata::instance()->issue_date << "</LabelText>\n"
- << " </ContentVersion>\n"
- << " <RatingList/>\n"
- << " <ReelList>\n";
-
- for (list<shared_ptr<const Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
- (*i)->write_to_cpl (os);
- }
-
- os << " </ReelList>\n"
- << "</CompositionPlaylist>\n";
-
- os.close ();
-
- _digest = make_digest (p.string ());
- _length = boost::filesystem::file_size (p.string ());
-}
-
-void
-CPL::write_to_pkl (ostream& s) const
-{
- s << " <Asset>\n"
- << " <Id>urn:uuid:" << _uuid << "</Id>\n"
- << " <Hash>" << _digest << "</Hash>\n"
- << " <Size>" << _length << "</Size>\n"
- << " <Type>text/xml</Type>\n"
- << " </Asset>\n";
-}
-
-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";
-}
-
-
-
-bool
-CPL::equals (CPL const & other, EqualityOptions opt, list<string>& notes) const
-{
- if (_name != other._name) {
- notes.push_back ("names differ");
- return false;
- }
-
- if (_content_kind != other._content_kind) {
- notes.push_back ("content kinds differ");
- return false;
- }
-
- if (_fps != other._fps) {
- notes.push_back ("frames per second differ");
- return false;
- }
-
- if (_length != other._length) {
- notes.push_back ("lengths differ");
- return false;
- }
-
- if (_reels.size() != other._reels.size()) {
- notes.push_back ("reel counts differ");
- return false;
- }
-
- list<shared_ptr<const Reel> >::const_iterator a = _reels.begin ();
- list<shared_ptr<const Reel> >::const_iterator b = other._reels.begin ();
-
- while (a != _reels.end ()) {
- if (!(*a)->equals (*b, opt, notes)) {
- return false;
- }
- ++a;
- ++b;
- }
-
- return true;
-}