Move make_dcp() out of Film (#2132).

[dcpomatic.git] / src / lib / make_dcp.cc

diff --git a/src/lib/make_dcp.cc b/src/lib/make_dcp.cc
new file mode 100644 (file)
index 0000000..934387f
--- /dev/null
+++ b/src/lib/make_dcp.cc
@@ -0,0 +1,105 @@
+/*
+    Copyright (C) 2021 Carl Hetherington <cth@carlh.net>
+
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic 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.
+
+    DCP-o-matic 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 DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+
+#include "config.h"
+#include "dcp_content.h"
+#include "dcp_encoder.h"
+#include "dcpomatic_log.h"
+#include "environment_info.h"
+#include "film.h"
+#include "job_manager.h"
+#include "make_dcp.h"
+#include "transcode_job.h"
+#include <stdexcept>
+
+#include "i18n.h"
+
+
+using std::dynamic_pointer_cast;
+using std::make_shared;
+using std::runtime_error;
+using std::shared_ptr;
+using std::string;
+
+
+/** Add suitable Jobs to the JobManager to create a DCP for a Film */
+void
+make_dcp (shared_ptr<Film> film, TranscodeJob::ChangedBehaviour behaviour)
+{
+       if (film->dcp_name().find("/") != string::npos) {
+               throw BadSettingError (_("name"), _("Cannot contain slashes"));
+       }
+
+       if (film->container() == nullptr) {
+               throw MissingSettingError (_("container"));
+       }
+
+       if (film->content().empty()) {
+               throw runtime_error (_("You must add some content to the DCP before creating it"));
+       }
+
+       if (film->length() == dcpomatic::DCPTime()) {
+               throw runtime_error (_("The DCP is empty, perhaps because all the content has zero length."));
+       }
+
+       if (film->dcp_content_type() == nullptr) {
+               throw MissingSettingError (_("content type"));
+       }
+
+       if (film->name().empty()) {
+               film->set_name ("DCP");
+       }
+
+       for (auto i: film->content()) {
+               if (!i->paths_valid()) {
+                       throw runtime_error (_("Some of your content is missing"));
+               }
+               auto dcp = dynamic_pointer_cast<const DCPContent>(i);
+               if (dcp && dcp->needs_kdm()) {
+                       throw runtime_error (_("Some of your content needs a KDM"));
+               }
+               if (dcp && dcp->needs_assets()) {
+                       throw runtime_error (_("Some of your content needs an OV"));
+               }
+       }
+
+       film->set_isdcf_date_today ();
+
+       for (auto info: environment_info()) {
+               LOG_GENERAL_NC (info);
+       }
+
+       for (auto content: film->content()) {
+               LOG_GENERAL ("Content: %1", content->technical_summary());
+       }
+       LOG_GENERAL ("DCP video rate %1 fps", film->video_frame_rate());
+       if (Config::instance()->only_servers_encode()) {
+               LOG_GENERAL_NC ("0 threads: ONLY SERVERS SET TO ENCODE");
+       } else {
+               LOG_GENERAL ("%1 threads", Config::instance()->master_encoding_threads());
+       }
+       LOG_GENERAL ("J2K bandwidth %1", film->j2k_bandwidth());
+
+       auto tj = make_shared<TranscodeJob>(film, behaviour);
+       tj->set_encoder (make_shared<DCPEncoder>(film, tj));
+       JobManager::instance()->add (tj);
+}
+