| # Video Content Type |
| |
| The Video Content Type extension is used to communicate a video content type |
| from sender to receiver of rtp video stream. Contact <ilnik@google.com> for |
| more info. |
| |
| Name: "Video Content Type" ; "RTP Header Extension for Video Content Type" |
| |
| Formal name: <http://www.webrtc.org/experiments/rtp-hdrext/video-content-type> |
| |
| SDP "a= name": "video-content-type" ; this is also used in client/cloud signaling. |
| |
| Wire format: 1-byte extension, 1 bytes of data. total 2 bytes extra per packet |
| (plus shared 4 bytes for all extensions present: 2 byte magic word 0xBEDE, 2 |
| byte # of extensions). |
| |
| Values: |
| |
| * 0x00: *Unspecified*. Default value. Treated the same as an absence of an extension. |
| * 0x01: *Screenshare*. Video stream is of a screenshare type. |
| |
| Notes: Extension shoud be present only in the last packet of key-frames. If |
| attached to other packets it should be ignored. If extension is absent, |
| *Unspecified* value is assumed. |