Extract J2K frame encoder classes for CPU and remote.

[dcpomatic.git] / src / lib / remote_j2k_frame_encoder.cc

diff --git a/src/lib/remote_j2k_frame_encoder.cc b/src/lib/remote_j2k_frame_encoder.cc
new file mode 100644 (file)
index 0000000..3917cc0
--- /dev/null
+++ b/src/lib/remote_j2k_frame_encoder.cc
@@ -0,0 +1,71 @@
+/*
+    Copyright (C) 2022 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 "cross.h"
+#include "dcp_video.h"
+#include "dcpomatic_log.h"
+#include "remote_j2k_frame_encoder.h"
+
+#include "i18n.h"
+
+
+using std::make_shared;
+using std::shared_ptr;
+using boost::optional;
+using dcp::Data;
+
+
+optional<dcp::ArrayData>
+RemoteJ2KFrameEncoder::encode(DCPVideo const& vf)
+{
+       optional<dcp::ArrayData> encoded;
+
+       try {
+               encoded = vf.encode_remotely(_server);
+
+               if (_remote_backoff > 0) {
+                       LOG_GENERAL ("%1 was lost, but now she is found; removing backoff", _server.host_name());
+               }
+
+               /* This job succeeded, so remove any backoff */
+               _remote_backoff = 0;
+
+       } catch (std::exception& e) {
+               if (_remote_backoff < 60) {
+                       /* back off more */
+                       _remote_backoff += 10;
+               }
+               LOG_ERROR (
+                       N_("Remote encode of %1 on %2 failed (%3); thread sleeping for %4s"),
+                       vf.index(), _server.host_name(), e.what(), _remote_backoff
+                       );
+       }
+
+       return encoded;
+}
+
+
+void
+RemoteJ2KFrameEncoder::log_thread_start ()
+{
+       LOG_TIMING("start-encoder-thread thread=%1 server=%2", thread_id(), _server.host_name());
+}
+