Пример #1
0
  public static boolean startRTSP(
      String localIPAddress, int rtpStreamLocalPort, String deviceAddress, int tunerNumber) {
    logger.entry(localIPAddress, rtpStreamLocalPort, deviceAddress, tunerNumber);

    logger.info(
        "Starting streaming from tuner number {} to local port '{}'.",
        tunerNumber,
        rtpStreamLocalPort);

    if (tunerNumber - 1 < 0) {
      logger.error("The tuner number cannot be less than 1.");
      return logger.exit(false);
    }

    try {
      String currentIP = InfiniTVStatus.getVar(deviceAddress, tunerNumber, "diag", "Streaming_IP");
      String currentPort =
          InfiniTVStatus.getVar(deviceAddress, tunerNumber, "diag", "Streaming_Port");
      String playback = InfiniTVStatus.getVar(deviceAddress, tunerNumber, "av", "TransportState");

      if (currentIP.equals(localIPAddress)
          && currentPort.equals(String.valueOf(rtpStreamLocalPort))
          && playback.equals("PLAYING")) {

        logger.info("The IP address and port for RTP are already set.");
        return logger.exit(true);
      }
    } catch (IOException e) {
      logger.error("Unable to get the current ip address and streaming port => {}", e);
    }

    String instanceId = "instance_id=" + String.valueOf(tunerNumber - 1);

    String destIp = "dest_ip=" + localIPAddress;
    String destPort = "dest_port=" + rtpStreamLocalPort;
    String protocol = "protocol=0"; // RTP
    String start = "start=1"; // 1 = Started (0 = Stopped)

    boolean returnValue =
        postContent(
            deviceAddress, "/stream_request.cgi", instanceId, destIp, destPort, protocol, start);

    return logger.exit(returnValue);
  }
Пример #2
0
  public static boolean tuneChannel(
      String lineupName,
      String channel,
      String deviceAddress,
      int tunerNumber,
      boolean useVChannel,
      int retry)
      throws InterruptedException {
    logger.entry(channel, deviceAddress, tunerNumber);

    boolean returnValue = false;

    if (useVChannel) {
      // There is no need to look up the channel when a CableCARD is present.
      returnValue = tuneVChannel(channel, deviceAddress, tunerNumber, retry);
    } else {
      // This will only hang up temporarily when the channel map is still loading or being
      // refreshed.
      TVChannel tvChannel = ChannelManager.getChannel(lineupName, channel);

      if (tvChannel == null) {
        logger.error("The requested channel does not exist in the channel map.");
        return logger.exit(false);
      }

      try {
        // Check if the frequency is already correct.
        boolean frequencyTuned =
            InfiniTVStatus.getVar(deviceAddress, tunerNumber, "tuner", "Frequency")
                .equals(tvChannel.getFrequency());

        if (!frequencyTuned) {
          tuneFrequency(tvChannel, deviceAddress, tunerNumber, retry);
        }

        int attempts = 10;
        boolean programSelected =
            InfiniTVStatus.getVar(deviceAddress, tunerNumber, "mux", "ProgramNumber")
                .equals(tvChannel.getProgram());

        while (!programSelected) {
          // If we are not already on the correct frequency, it takes the tuner a moment
          // to detect the available programs. If you try to set a program before the list
          // is available, it will fail. Normally this happens so fast, a sleep method
          // isn't appropriate. We have a while loop to retry a few times if it fails.

          tuneProgram(tvChannel, deviceAddress, tunerNumber, retry);

          programSelected =
              InfiniTVStatus.getVar(deviceAddress, tunerNumber, "mux", "ProgramNumber")
                  .equals(tvChannel.getProgram());
          if (attempts-- == 0 && !programSelected) {
            logger.error("The requested program cannot be selected.");
            return logger.exit(false);
          } else if (!programSelected) {
            try {
              // Sleep if the first request fails so we don't overwhelm the device
              // with requests. Remember up to 6 of these kinds of request could
              // happen at the exact same time.
              Thread.sleep(10);
            } catch (InterruptedException e) {
              logger.error("tuneChannel was interrupted while selecting a program.");
              return logger.exit(false);
            }
          }
        }
        returnValue = true;
        /*} catch (InterruptedException e) {
        logger.debug("tuneChannel was interrupted while waiting setting the program.");*/
      } catch (IOException e) {
        logger.debug("tuneChannel was unable to get the current program value.");
      }
    }

    return logger.exit(returnValue);
  }