+
+ state->spumux_file.close();
+
+ // TODO: if (!state->spumux_file) throw ...
+
+ {
+ std::ostringstream command_stream;
+ if (encoder_ == mpeg_encoder_ffmpeg)
+ {
+ command_stream
+ << "ffmpeg"
+ << " -f image2 -vcodec png -i "
+ << background_temp_->get_name()
+ << " -target " << frame_params_.name << "-dvd"
+ << " -vcodec mpeg2video -an -y /dev/stdout"
+ << " | spumux -v0 -mdvd " << state->spumux_temp.get_name()
+ << " > " << contents_.menus[menu_num].vob_temp->get_name();
+ }
+ else
+ {
+ assert(encoder_ == mpeg_encoder_mjpegtools_old
+ || encoder_ == mpeg_encoder_mjpegtools_new);
+ command_stream
+ << "pngtopnm "
+ << background_temp_->get_name()
+ << " | ppmtoy4m -v0 -n1 -F"
+ << frame_params_.rate_numer
+ << ":" << frame_params_.rate_denom
+ << " -A" << frame_params_.pixel_ratio_width
+ << ":" << frame_params_.pixel_ratio_height
+ << " -Ip ";
+ // The chroma subsampling keywords changed between
+ // versions 1.6.2 and 1.8 of mjpegtools. There is no
+ // keyword that works with both.
+ if (encoder_ == mpeg_encoder_mjpegtools_old)
+ command_stream << "-S420_mpeg2";
+ else
+ command_stream << "-S420mpeg2";
+ command_stream
+ << (" | mpeg2enc -v0 -f8 -a2 -o/dev/stdout"
+ " | mplex -v0 -f8 -o/dev/stdout /dev/stdin"
+ " | spumux -v0 -mdvd ")
+ << state->spumux_temp.get_name()
+ << " > "
+ << contents_.menus[menu_num].vob_temp->get_name();
+ }
+ std::string command(command_stream.str());
+ const char * argv[] = {
+ "/bin/sh", "-c", command.c_str(), 0
+ };
+ std::cout << "running " << argv[2] << std::endl;
+ int command_result;
+ Glib::spawn_sync(".",
+ Glib::ArrayHandle<std::string>(
+ argv, sizeof(argv)/sizeof(argv[0]),
+ Glib::OWNERSHIP_NONE),
+ Glib::SPAWN_STDOUT_TO_DEV_NULL,
+ SigC::Slot0<void>(),
+ 0, 0,
+ &command_result);
+ if (command_result != 0)
+ throw std::runtime_error("spumux pipeline failed");
+ }