Obtaining HD resolution recordings and live streaming with Vonage Video API sessions.
- Video API
- HD Resolution
- Live Streaming
Vonage Video API supports HD composed recording and HD live streaming for broadcast. These features provide a high quality experience that is 3X as sharp as SD video. This article explains key features related to HD recording and streaming.
HD Composed Recording
HD recording is available for the composed archive recording format. By default, composed archive recording uses a 640x480-pixel (SD) resolution. To get 1280x720 (HD) resolution, set the resolution property to 1280x720 when calling the start archive recording method of the Vonage Video REST API.
- The feature is not available on automatically archived sessions.
- The individual recording feature creates separate media files for each participant, retaining the resolution of the original published stream. So, if the original published stream is HD it will be recorded as such.
- You can also set the resolution property when starting an archive recording in latest release of OpenTok Node Server SDK, OpenTok PHP Server SDK.
HD Live Streaming Broadcast
The feature launches HD quality HLS and RTMP streaming support. To broadcast videos in HD, set the resolution property to 1280x720 when calling start broadcast method of the Vonage Video REST API.
Note: WebRTC-based real-time sessions (One-to-one, Multi-party or Broadcast) support HD (720p) as long as the endpoint has enough resources (bandwidth & CPU) to support HD streaming.
If you use custom layouts for archive recording or broadcast, keep in mind the HD aspect ratio when defining CSS stylesheets as HD videos will have a 16:9 aspect ratio compared to SD videos that use 4:3. The aspect ratio is taken care in case of predefined layout types.