homebridge#StreamSessionIdentifier TypeScript Examples

The following examples show how to use homebridge#StreamSessionIdentifier. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: streaming-delegate.ts    From homebridge-nest-cam with GNU General Public License v3.0 5 votes vote down vote up 
async prepareStream(request: PrepareStreamRequest, callback: PrepareStreamCallback): Promise<void> {
    const sessionId: StreamSessionIdentifier = request.sessionID;
    const targetAddress = request.targetAddress;

    //video setup
    const video = request.video;
    const videoPort = video.port;
    const returnVideoPort = (await reservePorts())[0];
    const videoCryptoSuite = video.srtpCryptoSuite;
    const videoSrtpKey = video.srtp_key;
    const videoSrtpSalt = video.srtp_salt;
    const videoSSRC = this.hap.CameraController.generateSynchronisationSource();

    //audio setup
    const audio = request.audio;
    const audioPort = audio.port;
    const returnAudioPort = (await reservePorts())[0];
    const twoWayAudioPort = (await reservePorts(2))[0];
    const audioServerPort = (await reservePorts())[0];
    const audioCryptoSuite = video.srtpCryptoSuite;
    const audioSrtpKey = audio.srtp_key;
    const audioSrtpSalt = audio.srtp_salt;
    const audioSSRC = this.hap.CameraController.generateSynchronisationSource();

    const sessionInfo: SessionInfo = {
      address: targetAddress,

      videoPort: videoPort,
      returnVideoPort: returnVideoPort,
      videoCryptoSuite: videoCryptoSuite,
      videoSRTP: Buffer.concat([videoSrtpKey, videoSrtpSalt]),
      videoSSRC: videoSSRC,

      audioPort: audioPort,
      returnAudioPort: returnAudioPort,
      twoWayAudioPort: twoWayAudioPort,
      rtpSplitter: new RtpSplitter(audioServerPort, returnAudioPort, twoWayAudioPort),
      audioCryptoSuite: audioCryptoSuite,
      audioSRTP: Buffer.concat([audioSrtpKey, audioSrtpSalt]),
      audioSSRC: audioSSRC,
    };

    const response: PrepareStreamResponse = {
      video: {
        port: returnVideoPort,
        ssrc: videoSSRC,

        srtp_key: videoSrtpKey,
        srtp_salt: videoSrtpSalt,
      },
      audio: {
        port: audioServerPort,
        ssrc: audioSSRC,

        srtp_key: audioSrtpKey,
        srtp_salt: audioSrtpSalt,
      },
    };
    this.pendingSessions[sessionId] = sessionInfo;
    callback(undefined, response);
  }