*/
-/** @file src/cpl.cc
- * @brief Classes used to parse a CPL.
- */
-
-#include <iostream>
+#include <fstream>
#include "cpl.h"
+#include "parse/cpl.h"
+#include "util.h"
+#include "picture_asset.h"
+#include "sound_asset.h"
+#include "subtitle_asset.h"
+#include "parse/asset_map.h"
+#include "reel.h"
+#include "metadata.h"
-using namespace std;
+using std::string;
+using std::stringstream;
+using std::ofstream;
+using std::ostream;
+using std::list;
+using boost::shared_ptr;
+using boost::lexical_cast;
using namespace libdcp;
-CPL::CPL (string file)
- : XMLFile (file, "CompositionPlaylist")
+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)
{
- id = string_node ("Id");
- annotation_text = optional_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 = optional_sub_node<ContentVersion> ("ContentVersion");
- ignore_node ("RatingList");
- reels = sub_nodes<CPLReel> ("ReelList", "Reel");
-
- ignore_node ("Issuer");
- ignore_node ("Signer");
- ignore_node ("Signature");
-
- done ();
+ _uuid = make_uuid ();
}
-ContentVersion::ContentVersion (xmlpp::Node const * node)
- : XMLNode (node)
+/** 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 libdcp::parse::AssetMap> asset_map, bool require_mxfs)
+ : _directory (directory)
+ , _content_kind (FEATURE)
+ , _length (0)
+ , _fps (0)
{
- id = optional_string_node ("Id");
- label_text = string_node ("LabelText");
- done ();
+ /* Read the XML */
+ shared_ptr<parse::CPL> cpl;
+ try {
+ cpl.reset (new parse::CPL (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<libdcp::parse::Reel> >::iterator i = cpl->reels.begin(); i != cpl->reels.end(); ++i) {
+
+ shared_ptr<parse::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)));
+ }
}
-CPLReel::CPLReel (xmlpp::Node const * node)
- : XMLNode (node)
+void
+CPL::add_reel (shared_ptr<const Reel> reel)
{
- id = string_node ("Id");
- asset_list = sub_node<CPLAssetList> ("AssetList");
-
- ignore_node ("AnnotationText");
- done ();
+ _reels.push_back (reel);
}
-CPLAssetList::CPLAssetList (xmlpp::Node const * node)
- : XMLNode (node)
+void
+CPL::write_xml (XMLMetadata const & metadata) const
{
- main_picture = optional_sub_node<MainPicture> ("MainPicture");
- main_stereoscopic_picture = optional_sub_node<MainStereoscopicPicture> ("MainStereoscopicPicture");
- main_sound = optional_sub_node<MainSound> ("MainSound");
- main_subtitle = optional_sub_node<MainSubtitle> ("MainSubtitle");
+ boost::filesystem::path p;
+ p /= _directory;
+ stringstream s;
+ s << _uuid << "_cpl.xml";
+ p /= s.str();
+
+ xmlpp::Document doc;
+ xmlpp::Element* root = doc.create_root_node ("CompositionPlaylist", "http://www.smpte-ra.org/schemas/429-7/2006/CPL");
+ root->add_child("Id")->add_child_text ("urn:uuid:" + _uuid);
+ root->add_child("AnnotationText")->add_child_text (_name);
+ root->add_child("IssueDate")->add_child_text (metadata.issue_date);
+ root->add_child("Creator")->add_child_text (metadata.creator);
+ root->add_child("ContentTitleText")->add_child_text (_name);
+ 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 ("urn:uri:" + _uuid + "_" + metadata.issue_date);
+ cv->add_child ("LabelText")->add_child_text (_uuid + "_" + metadata.issue_date);
+ }
+ root->add_child("RatingList");
- done ();
+ xmlpp::Node* reel_list = root->add_child ("ReelList");
+
+ for (list<shared_ptr<const Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
+ (*i)->write_to_cpl (reel_list);
+ }
+
+ doc.write_to_file_formatted (p.string (), "UTF-8");
+
+ _digest = make_digest (p.string ());
+ _length = boost::filesystem::file_size (p.string ());
}
-MainPicture::MainPicture (xmlpp::Node const * node)
- : Picture (node)
+void
+CPL::write_to_pkl (xmlpp::Node* node) const
{
-
+ xmlpp::Node* asset = node->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 (lexical_cast<string> (_length));
+ asset->add_child("Type")->add_child_text ("text/xml");
}
-MainStereoscopicPicture::MainStereoscopicPicture (xmlpp::Node const * node)
- : Picture (node)
+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;
}
-Picture::Picture (xmlpp::Node const * node)
- : XMLNode (node)
+void
+CPL::write_to_assetmap (xmlpp::Node* node) const
{
- id = string_node ("Id");
- annotation_text = optional_string_node ("AnnotationText");
- edit_rate = fraction_node ("EditRate");
- intrinsic_duration = int64_node ("IntrinsicDuration");
- entry_point = int64_node ("EntryPoint");
- duration = int64_node ("Duration");
- frame_rate = fraction_node ("FrameRate");
- try {
- screen_aspect_ratio = fraction_node ("ScreenAspectRatio");
- } catch (XMLError& e) {
- /* Maybe it's not a fraction */
+ xmlpp::Node* asset = node->add_child ("Asset");
+ asset->add_child("Id")->add_child_text ("urn:uuid:" + _uuid);
+ xmlpp::Node* chunk_list = asset->add_child ("ChunkList");
+ xmlpp::Node* chunk = chunk_list->add_child ("Chunk");
+ chunk->add_child("Path")->add_child_text (_uuid + "_cpl.xml");
+ chunk->add_child("VolumeIndex")->add_child_text ("1");
+ chunk->add_child("Offset")->add_child_text("0");
+ chunk->add_child("Length")->add_child_text(lexical_cast<string> (_length));
+}
+
+
+
+bool
+CPL::equals (CPL const & other, EqualityOptions opt, boost::function<void (NoteType, string)> note) const
+{
+ if (_name != other._name && !opt.cpl_names_can_differ) {
+ stringstream s;
+ s << "names differ: " << _name << " vs " << other._name << "\n";
+ note (ERROR, s.str ());
+ return false;
}
- try {
- float f = float_node ("ScreenAspectRatio");
- screen_aspect_ratio = Fraction (f * 1000, 1000);
- } catch (bad_cast& e) {
+ if (_content_kind != other._content_kind) {
+ note (ERROR, "content kinds differ");
+ return false;
}
- ignore_node ("Hash");
+ if (_fps != other._fps) {
+ note (ERROR, "frames per second differ");
+ return false;
+ }
- done ();
-}
+ if (_length != other._length) {
+ note (ERROR, "lengths differ");
+ return false;
+ }
-MainSound::MainSound (xmlpp::Node const * node)
- : XMLNode (node)
-{
- id = string_node ("Id");
- annotation_text = optional_string_node ("AnnotationText");
- edit_rate = fraction_node ("EditRate");
- intrinsic_duration = int64_node ("IntrinsicDuration");
- entry_point = int64_node ("EntryPoint");
- duration = int64_node ("Duration");
-
- ignore_node ("Hash");
- ignore_node ("Language");
+ if (_reels.size() != other._reels.size()) {
+ note (ERROR, "reel counts differ");
+ return false;
+ }
- done ();
-}
-
-MainSubtitle::MainSubtitle (xmlpp::Node const * node)
- : XMLNode (node)
-{
- id = string_node ("Id");
- annotation_text = optional_string_node ("AnnotationText");
- edit_rate = fraction_node ("EditRate");
- intrinsic_duration = int64_node ("IntrinsicDuration");
- entry_point = int64_node ("EntryPoint");
- duration = int64_node ("Duration");
-
- ignore_node ("Hash");
- ignore_node ("Language");
+ list<shared_ptr<const Reel> >::const_iterator a = _reels.begin ();
+ list<shared_ptr<const Reel> >::const_iterator b = other._reels.begin ();
- done ();
+ while (a != _reels.end ()) {
+ if (!(*a)->equals (*b, opt, note)) {
+ return false;
+ }
+ ++a;
+ ++b;
+ }
+
+ return true;
}
projects / libdcp.git / blobdiff