[OpenSIPS-Devel] [OpenSIPS/opensips] f69bca: rtpengine: fix writev error 22:Invalid argument

[Ovidiu Sas]

  Branch: refs/heads/3.0
  Home:   https://github.com/OpenSIPS/opensips
  Commit: f69bca5b773f850ae9ce81c8e0322dc7ec5efba2
      https://github.com/OpenSIPS/opensips/commit/f69bca5b773f850ae9ce81c8e0322dc7ec5efba2
  Author: Ovidiu Sas <osas at voipembedded.com>
  Date:   2020-06-27 (Sat, 27 Jun 2020)

  Changed paths:
    M modules/rtpengine/rtpengine.c

  Log Message:
  -----------
  rtpengine: fix writev error 22:Invalid argument

 - this fix is based on a similar fix implemented in the rtpproxy module
 - if the # of iovec buffes is to high, concatenate last buffers and reduce the # of buffers

(cherry picked from commit eda6ec3b6260db52a8420d3a9f0cc2f82273af0f)