Video Features

PJMEDIA supports end-to-end video communication as well as video conferencing in client.

Some of the features of the video subsystem:

• Video conferencing

• AVI streaming

• Sending/receiving missing video keyframe indication using the following techniques:

  • SIP INFO with XML Schema for Media Control (RFC 5168), using:

    • Full Intra Request (RFC 5104 section 3.5.1)

    • Picture Loss Indication feedback (RFC 4585 section 6.3.1)

    • See issue #1234 for more info

  • RTCP Picture Loss Indication feedback (RFC 4585 section 6.3.1):

    • See issue #1437 for more info

• Video source duplicator

Video is available on the following platforms:

• Mac OS X

• Windows

• Linux

• iOS

• Android

The following video codecs are available:

• Android H.264, VP8, VP9 (native)

• FFMPEG codecs (H.261, H.263, H.263P (H263-1998), H.264, MJPEG, VP8, VP9)

• OpenH264

• VP8 and VP9 (libvpx)

Supported capture devices:

• Android Camera2

• AVI virtual device

• AVFoundation (Mac and iOS) and UIView (iOS)

• Colorbar

• DirectShow (Windows)

• FFMPEG

• Video4Linux

Supported renderer devices:

• OpenGL (desktops)/OpenGL ES 2 (Android, iOS)

• SDL

• UIView (iOS)

The following devices are no longer supported:

• QuickTime