Stream instantly closes after it opens
### Streaming Issue

I have just discovered this package today, and have begun to play with it. I have a rather simple script to to stream a camera, however for whatever reason the calls are ending virtually instantly after the steams are started. I looked through the wiki to see if there was anything that could tell me what I'm doing wrong, but I didn't find anything. Attaching my relevant scripts and logs here. Hopefully I'm doing something glaringly obvious, because I have a handful of these ring cameras and I'd love to be able to make use of them in my current NVR. Thank you for creating this package.

```ts
const startRTSPStream = (camera: RingCamera) => {
  const streamUrl = `${process.env.RTSP_URL}/cam-${camera.id}`;

  console.log(`Starting RTSP video stream of camera ${camera.id} to ${streamUrl}`);

  camera.streamVideo({
    output: [
      '-f',
      'rtsp',
      '-c:v',
      'libx264',
      '-preset',
      'ultrafast',
      '-tune',
      'zerolatency',
      '-b',
      `${process.env.VIDEO_BITRATE}`,
      '-filter:v',
      `fps=${process.env.VIDEO_FRAMERATE}`,
      streamUrl,
    ],
  })
    .then(streamSession => {
      let began = Date.now();

      console.log('Stream session started...');

      streamSession.onCallEnded.subscribe(() => {
        console.log('Ring call lasted ' + ((Date.now() - began)/1000) + 's.');

        setTimeout(() => {
          startRTSPStream(camera);
        }, 1000 * 10);
      });
    })
}

ringApi.getCameras().then(cameras => {
  console.log(`Found ${cameras.length} camera(s).`);

  for(let camera of cameras) {
    startRTSPStream(camera);
  }
});
```

### Proposed Solution

no solution.

### Environment

Other (ring-client-api)

### What operating system are you on?

Mac

### Relevant log output

```shell
npx ts-node ./src/index.ts
Found 1 camera(s).
Starting RTSP video stream of camera 155460945 to rtsp://127.0.0.1:8554/cam-155460945
Stream session started...
Ring call lasted 0.829s.
Starting RTSP video stream of camera 155460945 to rtsp://127.0.0.1:8554/cam-155460945
Stream session started...
Ring call lasted 0.517s.
```


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