[Bug 792696] rtp: Implement support for generic RTP Forward Error Correction

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Tue Jan 30 13:24:02 UTC 2018


https://bugzilla.gnome.org/show_bug.cgi?id=792696

Mathieu Duponchelle <mduponchelle1 at gmail.com> changed:

           What    |Removed                     |Added
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 Attachment #367584|0                           |1
        is obsolete|                            |

--- Comment #9 from Mathieu Duponchelle <mduponchelle1 at gmail.com> ---
Created attachment 367645
  --> https://bugzilla.gnome.org/attachment.cgi?id=367645&action=edit
rtp: Implement ULPFEC (RFC 5109)

We expose a set of new elements:

* ULPFEC encoder / decoder
* A storage element, which should be placed before jitterbuffers,
  and is used to store packets in order to attempt reconstruction
  after the jitterbuffer has sent PacketLost events
* RED encoder / decoder (RFC 2198), these are necessary to
  use FEC in webrtc, as browsers will propose and expect ulpfec
  packets to be wrapped in red packets

With contributions from:

Mathieu Duponchelle <mathieu at centricular.com>
Sebastian Dröge <sebastian at centricular.com>

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