Video
ProPTT2 is supporting Video PTT and VideoShare PTT. There are serveral video resolutions.
Resolution
There are number of video resolutions. wikipedia
Video PTT
Video PTT has video and audio frame in PTT packet. But audio must have high priority.
Specification
| Quality | Profile | Remark |
|---|---|---|
| High | Color, MJPEG, 160x120, 5fps, 256kbps | |
| Middle | Gray, MJPEG, 160x120, 5fps, 128kbps | |
| Low | Gray, MJPEG, 160x120, 5fps, 64kbps | Default |
Video Sharing
In same channel, members can share real-time video. Video quality would be important. However, there should not affect voice PTT.
Specification
| Quality | Profile | Remark |
|---|---|---|
| FullHD | H.264, 1080P, 2Mbps, 17fps, iFrame interval 3sec | |
| Very High | H.264, 720P, 2Mbps, 17fps, iFrame interval 1sec | |
| High | H.264, 720P, 1Mbps, 15fps, iFrame interval 2sec | |
| Middle | H.264, 720P, 512Kbps, 10fps, iFrame interval 3sec | Default |
| Low | H.264, 480P, 256Kbps, 7fps, iFrame interval 5sec | |
| Custom | H.264, User defined profile (Resolution,Bandwidth,FPS,iFrame) |
CCTV integration
CCTV video can be integrated into Video Sharing. Video must be encoded by H.264.
See the CCTV