#include <fstream>
#include <iomanip>
#include <cassert>
+#include <iostream>
#include <boost/filesystem.hpp>
+#include <boost/algorithm/string.hpp>
+#include <libxml++/libxml++.h>
#include "dcp.h"
#include "asset.h"
#include "sound_asset.h"
#include "picture_asset.h"
+#include "subtitle_asset.h"
#include "util.h"
#include "metadata.h"
-
-using namespace std;
-using namespace boost;
+#include "exceptions.h"
+#include "cpl_file.h"
+#include "pkl_file.h"
+#include "asset_map.h"
+#include "reel.h"
+
+using std::string;
+using std::list;
+using std::stringstream;
+using std::ofstream;
+using std::ostream;
+using boost::shared_ptr;
using namespace libdcp;
-DCP::DCP (string directory, string name, ContentType content_type, int fps, int length)
+DCP::DCP (string directory)
: _directory (directory)
- , _name (name)
- , _content_type (content_type)
- , _fps (fps)
- , _length (length)
-{
-
-}
-
-void
-DCP::add_sound_asset (vector<string> const & files)
-{
- filesystem::path p;
- p /= _directory;
- p /= "audio.mxf";
- _assets.push_back (shared_ptr<SoundAsset> (new SoundAsset (files, p.string(), &Progress, _fps, _length)));
-}
-
-void
-DCP::add_sound_asset (sigc::slot<string, Channel> get_path, int channels)
-{
- filesystem::path p;
- p /= _directory;
- p /= "audio.mxf";
- _assets.push_back (shared_ptr<SoundAsset> (new SoundAsset (get_path, p.string(), &Progress, _fps, _length, channels)));
-}
-
-void
-DCP::add_picture_asset (vector<string> const & files, int width, int height)
-{
- filesystem::path p;
- p /= _directory;
- p /= "video.mxf";
- _assets.push_back (shared_ptr<PictureAsset> (new PictureAsset (files, p.string(), &Progress, _fps, _length, width, height)));
-}
-
-void
-DCP::add_picture_asset (sigc::slot<string, int> get_path, int width, int height)
{
- filesystem::path p;
- p /= _directory;
- p /= "video.mxf";
- _assets.push_back (shared_ptr<PictureAsset> (new PictureAsset (get_path, p.string(), &Progress, _fps, _length, width, height)));
+ boost::filesystem::create_directories (directory);
}
void
DCP::write_xml () const
{
- string cpl_uuid = make_uuid ();
- string cpl_path = write_cpl (cpl_uuid);
- int cpl_length = filesystem::file_size (cpl_path);
- string cpl_digest = make_digest (cpl_path, 0);
+ for (list<shared_ptr<const CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) {
+ (*i)->write_xml ();
+ }
string pkl_uuid = make_uuid ();
- string pkl_path = write_pkl (pkl_uuid, cpl_uuid, cpl_digest, cpl_length);
+ string pkl_path = write_pkl (pkl_uuid);
write_volindex ();
- write_assetmap (cpl_uuid, cpl_length, pkl_uuid, filesystem::file_size (pkl_path));
-}
-
-string
-DCP::write_cpl (string cpl_uuid) const
-{
- filesystem::path p;
- p /= _directory;
- stringstream s;
- s << cpl_uuid << "_cpl.xml";
- p /= s.str();
- ofstream cpl (p.string().c_str());
-
- cpl << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
- << "<CompositionPlaylist xmlns=\"http://www.smpte-ra.org/schemas/429-7/2006/CPL\">\n"
- << " <Id>urn:uuid:" << cpl_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_type_string (_content_type) << "</ContentKind>\n"
- << " <ContentVersion>\n"
- << " <Id>urn:uri:" << cpl_uuid << "_" << Metadata::instance()->issue_date << "</Id>\n"
- << " <LabelText>" << cpl_uuid << "_" << Metadata::instance()->issue_date << "</LabelText>\n"
- << " </ContentVersion>\n"
- << " <RatingList/>\n"
- << " <ReelList>\n";
-
- cpl << " <Reel>\n"
- << " <Id>urn:uuid:" << make_uuid() << "</Id>\n"
- << " <AssetList>\n";
-
- for (list<shared_ptr<Asset> >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) {
- (*i)->write_to_cpl (cpl);
- }
-
- cpl << " </AssetList>\n"
- << " </Reel>\n"
- << " </ReelList>\n"
- << "</CompositionPlaylist>\n";
-
- return p.string ();
+ write_assetmap (pkl_uuid, boost::filesystem::file_size (pkl_path));
}
std::string
-DCP::write_pkl (string pkl_uuid, string cpl_uuid, string cpl_digest, int cpl_length) const
+DCP::write_pkl (string pkl_uuid) const
{
- filesystem::path p;
+ assert (!_cpls.empty ());
+
+ boost::filesystem::path p;
p /= _directory;
stringstream s;
s << pkl_uuid << "_pkl.xml";
pkl << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
<< "<PackingList xmlns=\"http://www.smpte-ra.org/schemas/429-8/2007/PKL\">\n"
<< " <Id>urn:uuid:" << pkl_uuid << "</Id>\n"
- << " <AnnotationText>" << _name << "</AnnotationText>\n"
+ /* XXX: this is a bit of a hack */
+ << " <AnnotationText>" << _cpls.front()->name() << "</AnnotationText>\n"
<< " <IssueDate>" << Metadata::instance()->issue_date << "</IssueDate>\n"
<< " <Issuer>" << Metadata::instance()->issuer << "</Issuer>\n"
<< " <Creator>" << Metadata::instance()->creator << "</Creator>\n"
<< " <AssetList>\n";
- for (list<shared_ptr<Asset> >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) {
+ list<shared_ptr<const Asset> > a = assets ();
+ for (list<shared_ptr<const Asset> >::const_iterator i = a.begin(); i != a.end(); ++i) {
(*i)->write_to_pkl (pkl);
}
- pkl << " <Asset>\n"
- << " <Id>urn:uuid:" << cpl_uuid << "</Id>\n"
- << " <Hash>" << cpl_digest << "</Hash>\n"
- << " <Size>" << cpl_length << "</Size>\n"
- << " <Type>text/xml</Type>\n"
- << " </Asset>\n";
+ for (list<shared_ptr<const CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) {
+ (*i)->write_to_pkl (pkl);
+ }
pkl << " </AssetList>\n"
<< "</PackingList>\n";
void
DCP::write_volindex () const
{
- filesystem::path p;
+ boost::filesystem::path p;
p /= _directory;
p /= "VOLINDEX.xml";
ofstream vi (p.string().c_str());
}
void
-DCP::write_assetmap (string cpl_uuid, int cpl_length, string pkl_uuid, int pkl_length) const
+DCP::write_assetmap (string pkl_uuid, int pkl_length) const
{
- filesystem::path p;
+ boost::filesystem::path p;
p /= _directory;
p /= "ASSETMAP.xml";
ofstream am (p.string().c_str());
<< " </Chunk>\n"
<< " </ChunkList>\n"
<< " </Asset>\n";
-
- am << " <Asset>\n"
- << " <Id>urn:uuid:" << cpl_uuid << "</Id>\n"
- << " <ChunkList>\n"
- << " <Chunk>\n"
- << " <Path>" << cpl_uuid << "_cpl.xml</Path>\n"
- << " <VolumeIndex>1</VolumeIndex>\n"
- << " <Offset>0</Offset>\n"
- << " <Length>" << cpl_length << "</Length>\n"
- << " </Chunk>\n"
- << " </ChunkList>\n"
- << " </Asset>\n";
- for (list<shared_ptr<Asset> >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) {
+ for (list<shared_ptr<const CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) {
+ (*i)->write_to_assetmap (am);
+ }
+
+ list<shared_ptr<const Asset> > a = assets ();
+ for (list<shared_ptr<const Asset> >::const_iterator i = a.begin(); i != a.end(); ++i) {
(*i)->write_to_assetmap (am);
}
<< "</AssetMap>\n";
}
-string
-DCP::content_type_string (ContentType type)
+
+void
+DCP::read (bool require_mxfs)
+{
+ Files files;
+
+ shared_ptr<AssetMap> asset_map;
+ try {
+ boost::filesystem::path p = _directory;
+ p /= "ASSETMAP";
+ if (boost::filesystem::exists (p)) {
+ asset_map.reset (new AssetMap (p.string ()));
+ } else {
+ p = _directory;
+ p /= "ASSETMAP.xml";
+ if (boost::filesystem::exists (p)) {
+ asset_map.reset (new AssetMap (p.string ()));
+ } else {
+ throw DCPReadError ("could not find AssetMap file");
+ }
+ }
+
+ } catch (FileError& e) {
+ throw FileError ("could not load AssetMap file", files.asset_map);
+ }
+
+ for (list<shared_ptr<AssetMapAsset> >::const_iterator i = asset_map->assets.begin(); i != asset_map->assets.end(); ++i) {
+ if ((*i)->chunks.size() != 1) {
+ throw XMLError ("unsupported asset chunk count");
+ }
+
+ boost::filesystem::path t = _directory;
+ t /= (*i)->chunks.front()->path;
+
+ if (boost::algorithm::ends_with (t.string(), ".mxf") || boost::algorithm::ends_with (t.string(), ".ttf")) {
+ continue;
+ }
+
+ xmlpp::DomParser* p = new xmlpp::DomParser;
+ try {
+ p->parse_file (t.string());
+ } catch (std::exception& e) {
+ delete p;
+ continue;
+ }
+
+ string const root = p->get_document()->get_root_node()->get_name ();
+ delete p;
+
+ if (root == "CompositionPlaylist") {
+ files.cpls.push_back (t.string());
+ } else if (root == "PackingList") {
+ if (files.pkl.empty ()) {
+ files.pkl = t.string();
+ } else {
+ throw DCPReadError ("duplicate PKLs found");
+ }
+ }
+ }
+
+ if (files.cpls.empty ()) {
+ throw FileError ("no CPL files found", "");
+ }
+
+ if (files.pkl.empty ()) {
+ throw FileError ("no PKL file found", "");
+ }
+
+ shared_ptr<PKLFile> pkl;
+ try {
+ pkl.reset (new PKLFile (files.pkl));
+ } catch (FileError& e) {
+ throw FileError ("could not load PKL file", files.pkl);
+ }
+
+ /* Cross-check */
+ /* XXX */
+
+ for (list<string>::iterator i = files.cpls.begin(); i != files.cpls.end(); ++i) {
+ _cpls.push_back (shared_ptr<CPL> (new CPL (_directory, *i, asset_map, require_mxfs)));
+ }
+}
+
+bool
+DCP::equals (DCP const & other, EqualityOptions opt, list<string>& notes) const
+{
+ if (_cpls.size() != other._cpls.size()) {
+ notes.push_back ("CPL counts differ");
+ return false;
+ }
+
+ list<shared_ptr<const CPL> >::const_iterator a = _cpls.begin ();
+ list<shared_ptr<const CPL> >::const_iterator b = other._cpls.begin ();
+
+ while (a != _cpls.end ()) {
+ if (!(*a)->equals (*b->get(), opt, notes)) {
+ return false;
+ }
+ ++a;
+ ++b;
+ }
+
+ return true;
+}
+
+
+void
+DCP::add_cpl (shared_ptr<CPL> cpl)
+{
+ _cpls.push_back (cpl);
+}
+
+class AssetComparator
+{
+public:
+ bool operator() (shared_ptr<const Asset> a, shared_ptr<const Asset> b) {
+ return a->uuid() < b->uuid();
+ }
+};
+
+list<shared_ptr<const Asset> >
+DCP::assets () const
{
- switch (type) {
- case FEATURE:
- return "feature";
- case SHORT:
- return "short";
- case TRAILER:
- return "trailer";
- case TEST:
- return "test";
- case TRANSITIONAL:
- return "transitional";
- case RATING:
- return "rating";
- case TEASER:
- return "teaser";
- case POLICY:
- return "policy";
- case PUBLIC_SERVICE_ANNOUNCEMENT:
- return "psa";
- case ADVERTISEMENT:
- return "advertisement";
+ list<shared_ptr<const Asset> > a;
+ for (list<shared_ptr<const CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) {
+ list<shared_ptr<const Asset> > t = (*i)->assets ();
+ a.merge (t);
}
- assert (false);
+ a.sort ();
+ a.unique ();
+ return a;
}
+
+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
+ )
+ );
+
+ picture->set_entry_point ((*i)->asset_list->main_picture->entry_point);
+ } 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);
+
+ } 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);
+ } 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;
+}
projects / libdcp.git / blobdiff