src/lib/dcp.cc

   1 /*
   2     Copyright (C) 2014-2021 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21
  22 #include "compose.hpp"
  23 #include "dcp.h"
  24 #include "dcp_content.h"
  25 #include "dcpomatic_log.h"
  26 #include "log.h"
  27 #include "util.h"
  28 #include <dcp/dcp.h>
  29 #include <dcp/decrypted_kdm.h>
  30 #include <dcp/exceptions.h>
  31
  32 #include "i18n.h"
  33
  34
  35 using std::list;
  36 using std::string;
  37 using std::shared_ptr;
  38 using std::make_shared;
  39 using std::dynamic_pointer_cast;
  40 using std::vector;
  41
  42
  43 /** Find all the CPLs in our directories, cross-add assets and return the CPLs */
  44 list<shared_ptr<dcp::CPL>>
  45 DCP::cpls () const
  46 {
  47         list<shared_ptr<dcp::DCP>> dcps;
  48         list<shared_ptr<dcp::CPL>> cpls;
  49
  50         /** We accept and ignore some warnings / errors but everything else is bad */
  51         vector<dcp::VerificationNote::Code> ignore = {
  52                 dcp::VerificationNote::Code::EMPTY_ASSET_PATH,
  53                 dcp::VerificationNote::Code::EXTERNAL_ASSET,
  54                 dcp::VerificationNote::Code::THREED_ASSET_MARKED_AS_TWOD,
  55         };
  56
  57         LOG_GENERAL ("Reading %1 DCP directories", _dcp_content->directories().size());
  58         for (auto i: _dcp_content->directories()) {
  59                 auto dcp = make_shared<dcp::DCP>(i);
  60                 vector<dcp::VerificationNote> notes;
  61                 dcp->read (&notes, true);
  62                 if (!_tolerant) {
  63                         for (auto j: notes) {
  64                                 if (std::find(ignore.begin(), ignore.end(), j.code()) != ignore.end()) {
  65                                         LOG_WARNING("Ignoring: %1", dcp::note_to_string(j));
  66                                 } else {
  67                                         boost::throw_exception(dcp::ReadError(dcp::note_to_string(j)));
  68                                 }
  69                         }
  70                 }
  71                 dcps.push_back (dcp);
  72                 LOG_GENERAL ("Reading DCP %1: %2 CPLs", i.string(), dcp->cpls().size());
  73                 for (auto i: dcp->cpls()) {
  74                         cpls.push_back (i);
  75                 }
  76         }
  77
  78         for (auto i: dcps) {
  79                 for (auto j: dcps) {
  80                         if (i != j) {
  81                                 i->resolve_refs(j->assets());
  82                         }
  83                 }
  84         }
  85
  86         if (_dcp_content->kdm ()) {
  87                 auto k = decrypt_kdm_with_helpful_error (_dcp_content->kdm().get());
  88                 for (auto i: dcps) {
  89                         i->add (k);
  90                 }
  91         }
  92
  93         return cpls;
  94 }