--- /dev/null
- picture->set_entry_point ((*i)->asset_list->main_picture->entry_point);
+/*
+ Copyright (C) 2012 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 <fstream>
+#include "cpl.h"
+#include "cpl_file.h"
+#include "util.h"
+#include "picture_asset.h"
+#include "sound_asset.h"
+#include "subtitle_asset.h"
+#include "asset_map.h"
+#include "reel.h"
+#include "metadata.h"
+
+using std::string;
+using std::stringstream;
+using std::ofstream;
+using std::ostream;
+using std::list;
+using boost::shared_ptr;
+using namespace libdcp;
+
+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) {
+ boost::throw_exception (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
+ )
+ );
+
-
++ picture->set_entry_point (p->entry_point);
++ picture->set_duration (p->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->duration
+ )
+ );
+
+ picture->set_entry_point (p->entry_point);
++ picture->set_duration (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
+ )
+ );
+
+ sound->set_entry_point ((*i)->asset_list->main_sound->entry_point);
++ sound->set_duration ((*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
+ )
+ );
++
++ subtitle->set_entry_point ((*i)->asset_list->main_subtitle->entry_point);
++ subtitle->set_duration ((*i)->asset_list->main_subtitle->duration);
+ }
+
+ _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 (XMLMetadata const & metadata) 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.issue_date << "</IssueDate>\n"
+ << " <Creator>" << metadata.creator << "</Creator>\n"
+ << " <ContentTitleText>" << _name << "</ContentTitleText>\n"
+ << " <ContentKind>" << content_kind_to_string (_content_kind) << "</ContentKind>\n"
+ << " <ContentVersion>\n"
+ << " <Id>urn:uri:" << _uuid << "_" << metadata.issue_date << "</Id>\n"
+ << " <LabelText>" << _uuid << "_" << metadata.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, boost::function<void (NoteType, string)> note) const
+{
+ if (_name != other._name) {
+ note (ERROR, "names differ");
+ return false;
+ }
+
+ if (_content_kind != other._content_kind) {
+ note (ERROR, "content kinds differ");
+ return false;
+ }
+
+ if (_fps != other._fps) {
+ note (ERROR, "frames per second differ");
+ return false;
+ }
+
+ if (_length != other._length) {
+ note (ERROR, "lengths differ");
+ return false;
+ }
+
+ if (_reels.size() != other._reels.size()) {
+ note (ERROR, "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, note)) {
+ return false;
+ }
+ ++a;
+ ++b;
+ }
+
+ return true;
+}
projects / libdcp.git / commitdiff