What video modes are supported by Ultra-Videoconferencing?
Ultra-Videoconferencing supports video input from either frame grabbers using v4l or v4l2 interfaces (e.g. Bt878 chipset), digital video (DV) cameras, DCAM (raw, uncompressed video) 1394 devices, and standard or high-definition Serial Digital Interface (SDI). • Why do I see frequent reports of bad frames or missing fragments when receiving video, even though I believe I have plenty of network capacity? The default IP buffers provided by the system are generally far too small to support the demands of video reception, even for compressed video such as DV. In order to correct this, you should (as root) increase the buffer temporarily with sysctl -w net.core.rmem_max=500000 or permanently, by adding the following line to /etc/sysctl.conf: net.core.rmem_max=500000 Note that the latter goes into effect only after a reboot. • Why do my attempts to transmit video result in a strange (non-) image? The Ultra-Videoconferencing software defaults to the first valid video channel as reported by the
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- What video modes are supported by Ultra-Videoconferencing?
