Revisiting RTP Jitter Buffer Timers

Keyboard shortcuts

Key

Action

K or space

Play / Pause

Mute / Unmute

Select next subtitles

Select next audio track

Show slide in full page or toggle automatic source change

left arrow

Seek 5s backward

right arrow

Seek 5s forward

shift + left arrow or J

Seek 10s backward

shift + right arrow or L

Seek 10s forward

control + left arrow

Seek 60s backward

control + right arrow

Seek 60s forward

shift + down arrow

Decrease volume

shift + up arrow

Increase volume

shift + coma

Decrease playback speed

shift + dot or shift + semicolon

Increase playback speed

end

Seek to end

beginning

Seek to beginning

Loading Click here to add:

Information on this media

Creation date:

October 31st, 2019, 1:21 p.m.

Add date:

October 31st, 2019, 1:54 p.m.

Number of views:

126 (this month: 10)

Speaker:

Nicolas Dufresne

Company:

Collabora

License:

CC BY-SA 3.0

Visibility:

This media is published

Description

The rtpjitterbufer in GStreamer serves a major role in any type or RTP receivers, but is often by far the highest CPU consumer. In this talk, Nicolas will tell his journey through unknown fields that eventually lead to a major rework of the RTP Jitter Buffer timer code. This talk is addressed toward developers interested in efficient multi-threaded application and the importance of a good design to avoid scheduling performance traps. RTP knowledge is optional. Nicolas Dufresne is a Principal Multimedia Engineer at Collabora. Based in Montréal, he was initially a generalist developer with background in STB development. Nicolas started in 2011 contributing to GStreamer Multimedia Framework adding infrastructure and primitives to support accelerated upload of buffers to GL textures. Today, Nicolas is implicated in both GStreamer and Linux Media communities to help create a solid support for CODEC on Linux.