+ /* Setup the encoder parameters using the current image and user parameters */
+ opj_setup_encoder (cinfo, ¶meters, xyz->opj_image ());
+
+ opj_cio_t* cio = opj_cio_open ((opj_common_ptr) cinfo, 0, 0);
+ if (cio == 0) {
+ opj_destroy_compress (cinfo);
+ throw EncodeError (N_("could not open JPEG2000 stream"));
+ }
+
+ int const r = opj_encode (cinfo, cio, xyz->opj_image(), 0);
+ if (r == 0) {
+ opj_cio_close (cio);
+ opj_destroy_compress (cinfo);
+ throw EncodeError (N_("JPEG2000 encoding failed"));
+ }
+
+ switch (_frame->eyes()) {
+ case EYES_BOTH:
+ LOG_GENERAL (N_("Finished locally-encoded frame %1 for mono"), _index);
+ break;
+ case EYES_LEFT:
+ LOG_GENERAL (N_("Finished locally-encoded frame %1 for L"), _index);
+ break;
+ case EYES_RIGHT:
+ LOG_GENERAL (N_("Finished locally-encoded frame %1 for R"), _index);
+ break;
+ default:
+ break;
+ }
+
+ shared_ptr<EncodedData> enc (new LocallyEncodedData (cio->buffer, cio_tell (cio)));
+
+ opj_cio_close (cio);
+ free (parameters.cp_comment);
+ opj_destroy_compress (cinfo);
+
+ return enc;
+}
+
+/** Send this frame to a remote server for J2K encoding, then read the result.
+ * @param serv Server to send to.
+ * @return Encoded data.
+ */
+shared_ptr<EncodedData>
+DCPVideo::encode_remotely (ServerDescription serv)
+{
+ boost::asio::io_service io_service;
+ boost::asio::ip::tcp::resolver resolver (io_service);
+ boost::asio::ip::tcp::resolver::query query (serv.host_name(), raw_convert<string> (Config::instance()->server_port_base ()));
+ boost::asio::ip::tcp::resolver::iterator endpoint_iterator = resolver.resolve (query);
+
+ shared_ptr<Socket> socket (new Socket);
+
+ socket->connect (*endpoint_iterator);
+
+ /* Collect all XML metadata */
+ xmlpp::Document doc;
+ xmlpp::Element* root = doc.create_root_node ("EncodingRequest");
+ root->add_child("Version")->add_child_text (raw_convert<string> (SERVER_LINK_VERSION));
+ add_metadata (root);
+
+ LOG_GENERAL (N_("Sending frame %1 to remote"), _index);
+
+ /* Send XML metadata */
+ string xml = doc.write_to_string ("UTF-8");
+ socket->write (xml.length() + 1);
+ socket->write ((uint8_t *) xml.c_str(), xml.length() + 1);
+
+ /* Send binary data */
+ _frame->send_binary (socket, _burn_subtitles);
+
+ /* Read the response (JPEG2000-encoded data); this blocks until the data
+ is ready and sent back.
+ */
+ shared_ptr<EncodedData> e (new RemotelyEncodedData (socket->read_uint32 ()));
+ socket->read (e->data(), e->size());
+
+ LOG_GENERAL (N_("Finished remotely-encoded frame %1"), _index);
+
+ return e;
+}
+
+void
+DCPVideo::add_metadata (xmlpp::Element* el) const
+{
+ el->add_child("Index")->add_child_text (raw_convert<string> (_index));
+ el->add_child("FramesPerSecond")->add_child_text (raw_convert<string> (_frames_per_second));
+ el->add_child("J2KBandwidth")->add_child_text (raw_convert<string> (_j2k_bandwidth));
+ el->add_child("Resolution")->add_child_text (raw_convert<string> (int (_resolution)));
+ el->add_child("BurnSubtitles")->add_child_text (_burn_subtitles ? "1" : "0");
+ _frame->add_metadata (el, _burn_subtitles);