*/
+/** @file src/dcp.cc
+ * @brief A class to create a DCP.
+ */
+
#include <sstream>
#include <fstream>
#include <iomanip>
#include <cassert>
+#include <iostream>
#include <boost/filesystem.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 "tags.h"
+#include "metadata.h"
+#include "exceptions.h"
+#include "cpl.h"
+#include "pkl.h"
+#include "asset_map.h"
+#include "reel.h"
using namespace std;
using namespace boost;
using namespace libdcp;
-/** Construct a DCP.
- * @param d Directory to write files to.
- * @param n Name.
- * @param c Content type.
- * @param fps Frames per second.
- * @param length Length in frames.
- */
-DCP::DCP (string d, string n, ContentType c, int fps, int length)
- : _directory (d)
- , _name (n)
- , _content_type (c)
+DCP::DCP (string directory, string name, ContentKind content_kind, int fps, int length)
+ : _directory (directory)
+ , _name (name)
+ , _content_kind (content_kind)
, _fps (fps)
, _length (length)
{
+
}
-/** Add a sound asset.
- * @param files Pathnames of WAV files to use in the order Left, Right, Centre, Lfe (sub), Left surround, Right surround.
- */
-void
-DCP::add_sound_asset (list<string> const & files)
-{
- filesystem::path p;
- p /= _directory;
- p /= "audio.mxf";
- _assets.push_back (shared_ptr<SoundAsset> (new SoundAsset (files, p.string(), _fps, _length)));
-}
-
-/** Add a picture asset.
- * @param files Pathnames of JPEG2000 files, in frame order.
- */
void
-DCP::add_picture_asset (list<string> const & files, int w, int h)
+DCP::add_reel (shared_ptr<const Reel> reel)
{
- filesystem::path p;
- p /= _directory;
- p /= "video.mxf";
- _assets.push_back (shared_ptr<PictureAsset> (new PictureAsset (files, p.string(), _fps, _length, w, h)));
+ _reels.push_back (reel);
}
-/** Write the required XML files to the directory that was
- * passed into the constructor.
- */
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);
+ string cpl_digest = make_digest (cpl_path, 0);
string pkl_uuid = make_uuid ();
string pkl_path = write_pkl (pkl_uuid, cpl_uuid, cpl_digest, cpl_length);
write_assetmap (cpl_uuid, cpl_length, pkl_uuid, filesystem::file_size (pkl_path));
}
-/** Write the CPL file.
- * @param cpl_uuid UUID to use.
- * @return CPL pathname.
- */
string
DCP::write_cpl (string cpl_uuid) const
{
<< "<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>" << Tags::instance()->issue_date << "</IssueDate>\n"
- << " <Creator>" << Tags::instance()->creator << "</Creator>\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"
+ << " <ContentKind>" << content_kind_to_string (_content_kind) << "</ContentKind>\n"
<< " <ContentVersion>\n"
- << " <Id>urn:uri:" << cpl_uuid << "_" << Tags::instance()->issue_date << "</Id>\n"
- << " <LabelText>" << cpl_uuid << "_" << Tags::instance()->issue_date << "</LabelText>\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) {
+ for (list<shared_ptr<const Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
(*i)->write_to_cpl (cpl);
}
return p.string ();
}
-/** Write the PKL file.
- * @param pkl_uuid UUID to use.
- * @param cpl_uuid UUID of the CPL file.
- * @param cpl_digest SHA digest of the CPL file.
- * @param cpl_length Length of the CPL file in bytes.
- */
std::string
DCP::write_pkl (string pkl_uuid, string cpl_uuid, string cpl_digest, int cpl_length) const
{
<< "<PackingList xmlns=\"http://www.smpte-ra.org/schemas/429-8/2007/PKL\">\n"
<< " <Id>urn:uuid:" << pkl_uuid << "</Id>\n"
<< " <AnnotationText>" << _name << "</AnnotationText>\n"
- << " <IssueDate>" << Tags::instance()->issue_date << "</IssueDate>\n"
- << " <Issuer>" << Tags::instance()->issuer << "</Issuer>\n"
- << " <Creator>" << Tags::instance()->creator << "</Creator>\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) {
+ for (list<shared_ptr<const Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
(*i)->write_to_pkl (pkl);
}
return p.string ();
}
-/** Write the VOLINDEX file */
void
DCP::write_volindex () const
{
<< "</VolumeIndex>\n";
}
-/** Write the ASSETMAP file.
- * @param cpl_uuid UUID of our CPL.
- * @param cpl_length Length of our CPL in bytes.
- * @param pkl_uuid UUID of our PKL.
- * @param pkl_length Length of our PKL in bytes.
- */
void
DCP::write_assetmap (string cpl_uuid, int cpl_length, string pkl_uuid, int pkl_length) const
{
am << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
<< "<AssetMap xmlns=\"http://www.smpte-ra.org/schemas/429-9/2007/AM\">\n"
<< " <Id>urn:uuid:" << make_uuid() << "</Id>\n"
- << " <Creator>" << Tags::instance()->creator << "</Creator>\n"
+ << " <Creator>" << Metadata::instance()->creator << "</Creator>\n"
<< " <VolumeCount>1</VolumeCount>\n"
- << " <IssueDate>" << Tags::instance()->issue_date << "</IssueDate>\n"
- << " <Issuer>" << Tags::instance()->issuer << "</Issuer>\n"
+ << " <IssueDate>" << Metadata::instance()->issue_date << "</IssueDate>\n"
+ << " <Issuer>" << Metadata::instance()->issuer << "</Issuer>\n"
<< " <AssetList>\n";
am << " <Asset>\n"
<< " </ChunkList>\n"
<< " </Asset>\n";
- for (list<shared_ptr<Asset> >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) {
+ for (list<shared_ptr<const Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
(*i)->write_to_assetmap (am);
}
<< "</AssetMap>\n";
}
-/** @param t A content type.
- * @return A string representation suitable for use in a CPL.
- */
-string
-DCP::content_type_string (ContentType t)
+
+DCP::DCP (string directory)
+ : _directory (directory)
{
- switch (t) {
- 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";
+ Files files;
+ scan (files, directory);
+
+ if (files.cpl.empty ()) {
+ throw FileError ("no CPL file found", "");
+ }
+
+ if (files.pkl.empty ()) {
+ throw FileError ("no PKL file found", "");
+ }
+
+ if (files.asset_map.empty ()) {
+ throw FileError ("no AssetMap file found", "");
}
- assert (false);
+ /* Read the XML */
+ shared_ptr<CPL> cpl;
+ try {
+ cpl.reset (new CPL (files.cpl));
+ } catch (FileError& e) {
+ throw FileError ("could not load CPL file", files.cpl);
+ }
+
+ shared_ptr<PKL> pkl;
+ try {
+ pkl.reset (new PKL (files.pkl));
+ } catch (FileError& e) {
+ throw FileError ("could not load PKL file", files.pkl);
+ }
+
+ shared_ptr<AssetMap> asset_map;
+ try {
+ asset_map.reset (new AssetMap (files.asset_map));
+ } catch (FileError& e) {
+ throw FileError ("could not load AssetMap file", files.asset_map);
+ }
+
+ /* Cross-check */
+ /* XXX */
+
+ /* Now cherry-pick the required bits into our own data structure */
+
+ _name = cpl->annotation_text;
+ _content_kind = cpl->content_kind;
+ _length = 0;
+ _fps = 0;
+
+ for (list<shared_ptr<CPLReel> >::iterator i = cpl->reels.begin(); i != cpl->reels.end(); ++i) {
+ assert (_fps == 0 || _fps == (*i)->asset_list->main_picture->frame_rate.numerator);
+ _fps = (*i)->asset_list->main_picture->frame_rate.numerator;
+ _length += (*i)->asset_list->main_picture->duration;
+
+ string n = pkl->asset_from_id ((*i)->asset_list->main_picture->id)->original_file_name;
+ if (n.empty ()) {
+ n = (*i)->asset_list->main_picture->annotation_text;
+ }
+
+ shared_ptr<PictureAsset> picture (new PictureAsset (
+ _directory,
+ n,
+ _fps,
+ (*i)->asset_list->main_picture->duration
+ )
+ );
+
+ shared_ptr<SoundAsset> sound;
+
+ if ((*i)->asset_list->main_sound) {
+
+ n = pkl->asset_from_id ((*i)->asset_list->main_sound->id)->original_file_name;
+ if (n.empty ()) {
+ n = (*i)->asset_list->main_sound->annotation_text;
+ }
+
+ sound.reset (new SoundAsset (
+ _directory,
+ n,
+ _fps,
+ (*i)->asset_list->main_sound->duration
+ )
+ );
+ }
+
+ assert (files.subtitles.size() < 2);
+
+ shared_ptr<SubtitleAsset> subtitle;
+ if (!files.subtitles.empty ()) {
+ string const l = files.subtitles.front().substr (_directory.length ());
+ subtitle.reset (new SubtitleAsset (_directory, l));
+ }
+
+ _reels.push_back (shared_ptr<Reel> (new Reel (picture, sound, subtitle)));
+ }
}
+
+
+void
+DCP::scan (Files& files, string directory) const
+{
+ for (filesystem::directory_iterator i = filesystem::directory_iterator(directory); i != filesystem::directory_iterator(); ++i) {
+
+ string const t = i->path().string ();
+
+ if (filesystem::is_directory (*i)) {
+ scan (files, t);
+ continue;
+ }
+
+ if (ends_with (t, ".mxf") || ends_with (t, ".ttf")) {
+ continue;
+ }
+
+ xmlpp::DomParser* p = new xmlpp::DomParser;
+
+ try {
+ p->parse_file (t);
+ } catch (std::exception& e) {
+ delete p;
+ continue;
+ }
+ if (!p) {
+ delete p;
+ continue;
+ }
+
+ string const root = p->get_document()->get_root_node()->get_name ();
+ delete p;
+
+ if (root == "CompositionPlaylist") {
+ if (files.cpl.empty ()) {
+ files.cpl = t;
+ } else {
+ throw DCPReadError ("duplicate CPLs found");
+ }
+ } else if (root == "PackingList") {
+ if (files.pkl.empty ()) {
+ files.pkl = t;
+ } else {
+ throw DCPReadError ("duplicate PKLs found");
+ }
+ } else if (root == "AssetMap") {
+ if (files.asset_map.empty ()) {
+ files.asset_map = t;
+ } else {
+ throw DCPReadError ("duplicate AssetMaps found");
+ }
+ files.asset_map = t;
+ } else if (root == "DCSubtitle") {
+ files.subtitles.push_back (t);
+ }
+ }
+}
+
+
+list<string>
+DCP::equals (DCP const & other, EqualityOptions opt) const
+{
+ list<string> notes;
+
+ if (opt.flags & LIBDCP_METADATA) {
+ if (_name != other._name) {
+ notes.push_back ("names differ");
+ }
+ if (_content_kind != other._content_kind) {
+ notes.push_back ("content kinds differ");
+ }
+ if (_fps != other._fps) {
+ notes.push_back ("frames per second differ");
+ }
+ if (_length != other._length) {
+ notes.push_back ("lengths differ");
+ }
+ }
+
+ if (_reels.size() != other._reels.size()) {
+ notes.push_back ("reel counts differ");
+ }
+
+ 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 ()) {
+ list<string> n = (*a)->equals (*b, opt);
+ notes.merge (n);
+ ++a;
+ ++b;
+ }
+
+ return notes;
+}
+
projects / libdcp.git / blobdiff