GStreamer

• Official Site
• Wikipedia: GStreamer
• GStreamer Bindings
• ziutek/gst
  • Go bindings for GStreamer
• Java
  • gstreamer-java/gst1-java-core
  • gst1-java-core 0.9.3

<dependency>
    <groupId>org.freedesktop.gstreamer</groupId>
    <artifactId>gst1-java-core</artifactId>
    <version>0.9.3</version>
</dependency>

• Is WebRTC Ready Yet?
• centricular/gstwebrtc-demos
  • Demo apps for using gstreamer's webrtc implementation
• GStreamer Phone Wiki
• plugin-webrtc
• webrtcdsp
• iOS 11 Jun 7, 2017
  • Announcing WebRTC and Media Capture
• GStreamer WebRTC Conference Video
• RideRun GstWebRTC

brew install gstreamer
gst-inspect-1.0 gst-launch-1.0 gst-stats-1.0 gst-typefind-1.0

• GStreamer Editing Services

  • gst-editing-services

• Plugins

  • gst-plugins-good
    • gst-editing-services gst-plugins-ugly gstreamermm
    • gst-libav gst-python logstalgia
  • gst-plugins-bad
    • gst-rtsp-server logstash
  • gst-plugins-base
    • gst-validate

Multi-party

• Mesh
  • appear.in
• SFU - Selective Forward Unit
  • talky swritchrtc
• MCU - Multipoint Control Unit
  • blue jeans

n	Mesh	SFU	MCU
提供者带宽	0	n^2	n
单用户带宽	n	n	1
总用户带宽	n!	n^2	1
提供者处理	0	n	n - n!
用户处理	n	n	1

Technology

• RTC: rtpbin element

• ICE: libnice

• DTLS SRTP SCTP: dtlssrtpenc/dec elements

• An API

• SDP Parsing Generation

• webrtcbin

  • RTCP Muxing
  • RTX Retransimming
  • FEC Forward Error Correction
  • RTP bundling
  • LS groups
  • Trickle ICE