[Bug 789338] New: rtpmanager: improve performance in NACK/RTX handling

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=789338

            Bug ID: 789338
           Summary: rtpmanager: improve performance in NACK/RTX handling
    Classification: Platform
           Product: GStreamer
           Version: 1.8.3
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: mparisdiaz at gmail.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

Hello,
I am providing several changes to improve NACK/RTX handling.
The general remarks are:
  - Add GstRTPRetransmissionListRequest that allows send a list of seqnum to
ask for NACKS. avoiding sending a lot of events on packet looses bursts.
  - GstRtpRtxQueue: several changes to avoid unnecessary operations.
  - Add "rtt" field in both GstRTPRetransmissionRequest and
GstRTPRetransmissionListRequest that allows upstream elements like
GstRtpRtxQueue to send retransmissions under the RTT.

Anyway, each commit has more detailed info.

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