[Bug 769628] New: gstsdpmessage: lack of support for rtcp-fb attributes

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Mon Aug 8 13:37:16 UTC 2016


https://bugzilla.gnome.org/show_bug.cgi?id=769628

            Bug ID: 769628
           Summary: gstsdpmessage: lack of support for rtcp-fb attributes
    Classification: Platform
           Product: GStreamer
           Version: unspecified
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: tomasz.zajac at motorolasolutions.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

Created attachment 332940
  --> https://bugzilla.gnome.org/attachment.cgi?id=332940&action=edit
Add parsing of rtcp-fb attributes

There is no implementation for parsing rtcp-fb media attributes (like
rtcp-fb-nack-pli or rtcp-fb-ccm-fir). If SDP contain such attribute, SDP parser
should add relevant capability into RTP CAPS.
For example: 
If SDP contains "a=rtcp-fb:96 nack pli", relevant rtp caps should contain
rtcp-fb-nack-pli=true. As it is now, it ends up as "a-rtcp-fb=(string)"96\
nack\ pli".

Please see enclosed patch which implements the missing feature.

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