X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fcpl.cc;h=aa61ec7afcc55052722369537b32262de61869cb;hb=7b03aba8bc4e9df269430d79ce4ee2c6bd5f344c;hp=a27e8fda9c04cc04a290fa984e191dd5d043fe5a;hpb=a5fafaa249e3cd45b6c64592991ab1f0e0247e5f;p=libdcp.git diff --git a/src/cpl.cc b/src/cpl.cc index a27e8fda..aa61ec7a 100644 --- a/src/cpl.cc +++ b/src/cpl.cc @@ -1,73 +1,105 @@ /* - Copyright (C) 2012-2013 Carl Hetherington + Copyright (C) 2012-2016 Carl Hetherington - This program is free software; you can redistribute it and/or modify + This file is part of libdcp. + + libdcp 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, + libdcp 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. + along with libdcp. If not, see . + + In addition, as a special exception, the copyright holders give + permission to link the code of portions of this program with the + OpenSSL library under certain conditions as described in each + individual source file, and distribute linked combinations + including the two. + You must obey the GNU General Public License in all respects + for all of the code used other than OpenSSL. If you modify + file(s) with this exception, you may extend this exception to your + version of the file(s), but you are not obligated to do so. If you + do not wish to do so, delete this exception statement from your + version. If you delete this exception statement from all source + files in the program, then also delete it here. */ #include "cpl.h" #include "util.h" -#include "mono_picture_mxf.h" -#include "stereo_picture_mxf.h" -#include "sound_mxf.h" -#include "subtitle_content.h" #include "reel.h" #include "metadata.h" -#include "signer.h" -#include "exceptions.h" +#include "certificate_chain.h" #include "xml.h" -#include "compose.hpp" #include "reel_picture_asset.h" #include "reel_sound_asset.h" #include "reel_subtitle_asset.h" +#include "reel_closed_caption_asset.h" +#include "reel_atmos_asset.h" +#include "local_time.h" +#include "dcp_assert.h" +#include "compose.hpp" #include +#include +#include using std::string; -using std::stringstream; -using std::ostream; using std::list; using std::pair; using std::make_pair; +using std::cout; using boost::shared_ptr; -using boost::lexical_cast; using boost::optional; +using boost::dynamic_pointer_cast; using namespace dcp; +static string const cpl_interop_ns = "http://www.digicine.com/PROTO-ASDCP-CPL-20040511#"; +static string const cpl_smpte_ns = "http://www.smpte-ra.org/schemas/429-7/2006/CPL"; + CPL::CPL (string annotation_text, ContentKind content_kind) - : _annotation_text (annotation_text) + /* default _content_title_text to annotation_text */ + : _content_title_text (annotation_text) , _content_kind (content_kind) - , _length (0) + , _content_version_id ("urn:uuid:" + make_uuid ()) { - + _metadata.annotation_text = annotation_text; + /* default _content_version_id to a random ID and _content_version_label to + a random ID and the current time. + */ + _content_version_id = "urn:uuid:" + make_uuid(); + _content_version_label_text = _content_version_id + LocalTime().as_string (); } /** Construct a CPL object from a XML file */ CPL::CPL (boost::filesystem::path file) - : _content_kind (FEATURE) - , _length (0) + : Asset (file) + , _content_kind (FEATURE) { cxml::Document f ("CompositionPlaylist"); f.read_file (file); - _id = f.string_child ("Id"); - _annotation_text = f.optional_string_child ("AnnotationText").get_value_or (""); - _issue_date = f.string_child ("IssueDate"); - _creator = f.optional_string_child ("Creator").get_value_or (""); + if (f.namespace_uri() == cpl_interop_ns) { + _standard = INTEROP; + } else if (f.namespace_uri() == cpl_smpte_ns) { + _standard = SMPTE; + } else { + boost::throw_exception (XMLError ("Unrecognised CPL namespace " + f.namespace_uri())); + } + + _id = remove_urn_uuid (f.string_child ("Id")); + _metadata.annotation_text = f.optional_string_child ("AnnotationText").get_value_or (""); + _metadata.issuer = f.optional_string_child ("Issuer").get_value_or (""); + _metadata.creator = f.optional_string_child ("Creator").get_value_or (""); + _metadata.issue_date = f.string_child ("IssueDate"); _content_title_text = f.string_child ("ContentTitleText"); _content_kind = content_kind_from_string (f.string_child ("ContentKind")); - shared_ptr content_version = f.node_child ("ContentVersion"); + shared_ptr content_version = f.optional_node_child ("ContentVersion"); if (content_version) { _content_version_id = content_version->optional_string_child ("Id").get_value_or (""); _content_version_label_text = content_version->string_child ("LabelText"); @@ -87,32 +119,33 @@ CPL::CPL (boost::filesystem::path file) * @param reel Reel to add. */ void -CPL::add (shared_ptr reel) +CPL::add (boost::shared_ptr reel) { _reels.push_back (reel); } +/** Write an CompositonPlaylist XML file. + * @param file Filename to write. + * @param standard INTEROP or SMPTE. + * @param signer Signer to sign the CPL, or 0 to add no signature. + */ void -CPL::write_xml (boost::filesystem::path file, Standard standard, XMLMetadata metadata, shared_ptr signer) const +CPL::write_xml (boost::filesystem::path file, Standard standard, shared_ptr signer) const { xmlpp::Document doc; xmlpp::Element* root; if (standard == INTEROP) { - root = doc.create_root_node ("CompositionPlaylist", "http://www.digicine.com/PROTO-ASDCP-CPL-20040511#"); + root = doc.create_root_node ("CompositionPlaylist", cpl_interop_ns); } else { - root = doc.create_root_node ("CompositionPlaylist", "http://www.smpte-ra.org/schemas/429-7/2006/CPL"); + root = doc.create_root_node ("CompositionPlaylist", cpl_smpte_ns); } - if (signer) { - root->set_namespace_declaration ("http://www.w3.org/2000/09/xmldsig#", "dsig"); - } - root->add_child("Id")->add_child_text ("urn:uuid:" + _id); - root->add_child("AnnotationText")->add_child_text (_annotation_text); - root->add_child("IssueDate")->add_child_text (metadata.issue_date); - root->add_child("Issuer")->add_child_text (metadata.issuer); - root->add_child("Creator")->add_child_text (metadata.creator); - root->add_child("ContentTitleText")->add_child_text (_content_version_label_text); + root->add_child("AnnotationText")->add_child_text (_metadata.annotation_text); + root->add_child("IssueDate")->add_child_text (_metadata.issue_date); + root->add_child("Issuer")->add_child_text (_metadata.issuer); + root->add_child("Creator")->add_child_text (_metadata.creator); + root->add_child("ContentTitleText")->add_child_text (_content_title_text); root->add_child("ContentKind")->add_child_text (content_kind_to_string (_content_kind)); { xmlpp::Node* cv = root->add_child ("ContentVersion"); @@ -122,9 +155,9 @@ CPL::write_xml (boost::filesystem::path file, Standard standard, XMLMetadata met root->add_child("RatingList"); xmlpp::Element* reel_list = root->add_child ("ReelList"); - - for (list >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) { - (*i)->write_to_cpl (reel_list, standard); + + BOOST_FOREACH (shared_ptr i, _reels) { + i->write_to_cpl (reel_list, standard); } if (signer) { @@ -134,65 +167,62 @@ CPL::write_xml (boost::filesystem::path file, Standard standard, XMLMetadata met /* This must not be the _formatted version otherwise signature digests will be wrong */ doc.write_to_file (file.string (), "UTF-8"); - _digest = make_digest (file.string (), 0); - _length = boost::filesystem::file_size (file.string ()); + set_file (file); } -list > -CPL::assets () const +list > +CPL::reel_assets () const { - list > a; - for (list >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) { - if ((*i)->main_picture ()) { - a.push_back ((*i)->main_picture()->mxf ()); + list > c; + + BOOST_FOREACH (shared_ptr i, _reels) { + if (i->main_picture ()) { + c.push_back (i->main_picture()); + } + if (i->main_sound ()) { + c.push_back (i->main_sound()); } - if ((*i)->main_sound ()) { - a.push_back ((*i)->main_sound()->mxf ()); + if (i->main_subtitle ()) { + c.push_back (i->main_subtitle()); } - if ((*i)->main_subtitle ()) { - a.push_back ((*i)->main_subtitle()->subtitle_content ()); + if (i->closed_caption ()) { + c.push_back (i->closed_caption()); + } + if (i->atmos ()) { + c.push_back (i->atmos()); } } - return a; + return c; } -void -CPL::write_to_assetmap (xmlpp::Node* node) const -{ - xmlpp::Node* asset = node->add_child ("Asset"); - asset->add_child("Id")->add_child_text ("urn:uuid:" + _id); - xmlpp::Node* chunk_list = asset->add_child ("ChunkList"); - xmlpp::Node* chunk = chunk_list->add_child ("Chunk"); - chunk->add_child("Path")->add_child_text (_id + "_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 (_length)); -} - bool -CPL::equals (CPL const & other, EqualityOptions opt, boost::function note) const +CPL::equals (shared_ptr other, EqualityOptions opt, NoteHandler note) const { - if (_annotation_text != other._annotation_text && !opt.cpl_annotation_texts_can_differ) { - stringstream s; - s << "annotation texts differ: " << _annotation_text << " vs " << other._annotation_text << "\n"; - note (ERROR, s.str ()); + shared_ptr other_cpl = dynamic_pointer_cast (other); + if (!other_cpl) { + return false; + } + + if (_metadata.annotation_text != other_cpl->_metadata.annotation_text && !opt.cpl_annotation_texts_can_differ) { + string const s = "CPL: annotation texts differ: " + _metadata.annotation_text + " vs " + other_cpl->_metadata.annotation_text + "\n"; + note (DCP_ERROR, s); return false; } - if (_content_kind != other._content_kind) { - note (ERROR, "content kinds differ"); + if (_content_kind != other_cpl->_content_kind) { + note (DCP_ERROR, "CPL: content kinds differ"); return false; } - if (_reels.size() != other._reels.size()) { - note (ERROR, String::compose ("reel counts differ (%1 vs %2)", _reels.size(), other._reels.size())); + if (_reels.size() != other_cpl->_reels.size()) { + note (DCP_ERROR, String::compose ("CPL: reel counts differ (%1 vs %2)", _reels.size(), other_cpl->_reels.size())); return false; } - + list >::const_iterator a = _reels.begin (); - list >::const_iterator b = other._reels.begin (); - + list >::const_iterator b = other_cpl->_reels.begin (); + while (a != _reels.end ()) { if (!(*a)->equals (*b, opt, note)) { return false; @@ -208,8 +238,8 @@ CPL::equals (CPL const & other, EqualityOptions opt, boost::function >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) { - if ((*i)->encrypted ()) { + BOOST_FOREACH (shared_ptr i, _reels) { + if (i->encrypted ()) { return true; } } @@ -217,18 +247,45 @@ CPL::encrypted () const return false; } +/** Add a KDM to this CPL. If the KDM is for any of this CPLs assets it will be used + * to decrypt those assets. + * @param kdm KDM. + */ void -CPL::add (KDM const & kdm) +CPL::add (DecryptedKDM const & kdm) { - for (list >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) { - (*i)->add_kdm (kdm); + BOOST_FOREACH (shared_ptr i, _reels) { + i->add (kdm); } } void -CPL::set_mxf_keys (Key key) +CPL::resolve_refs (list > assets) +{ + BOOST_FOREACH (shared_ptr i, _reels) { + i->resolve_refs (assets); + } +} + +string +CPL::pkl_type (Standard standard) const +{ + switch (standard) { + case INTEROP: + return "text/xml;asdcpKind=CPL"; + case SMPTE: + return "text/xml"; + default: + DCP_ASSERT (false); + } +} + +int64_t +CPL::duration () const { - for (list >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) { - (*i)->set_mxf_keys (key); + int64_t d = 0; + BOOST_FOREACH (shared_ptr i, _reels) { + d += i->duration (); } + return d; }