PCMA not supported by WebRTCEndpoints

[Mortega5]

Prerequisites

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Issue description

PCMA codec is not available for WebRTCEndpoint connections. I have been reading the source code, and it seems that PCMA was not included in the list of of supported codecs.

I suppose this is a bug and was not intentionally disabled.

KurentoWebRtcEndpointImpl WebRtcEndpointImpl.cpp:115:remove_not_supported_codecs_from_array:<kmswebrtcendpoint0> Removing not supported codec 'PCMA/8000'

Context

I'm using PCMA for RtpEndpoint, and I want to avoid transcoding by using the same codec (I believe this will improve performance).

How to reproduce?

1. Enable PCMA codec on SdpEndpoint.config

    {
      "audioCodecs": [
        {
          "name": "PCMA/8000"
        },
        {
          "name": "PCMU/8000"
        }
      ],
      "numAudioMedias": 1,
      "numVideoMedias": 1,
      "videoCodecs": [
        {
          "name": "VP8/90000"
        },
        {
          "name": "H264/90000"
        }
      ]
    }

2. Create a pipeline
3. Create a WebRtcEndpoint

Expected & current behavior

It should support PCMA

Info about your environment

WebRTC streaming is relayed using a TURN (coturn

About Kurento Media Server

• Kurento version: 7.1.1
• Server OS: Ubuntu 20.04 (noble)
• Installation method:
  • [] apt-get
  • Docker
  • [] AWS CloudFormation
  • [] Built from sources

About your Application Server

• Programming Language: Java
• Kurento Client version: 7.1.0

About end-user clients

• Device(s): any
• OS(es): any
• Browser(s): any

Run these commands

cat /etc/lsb-release

kurento-media-server --version

dpkg -l | grep -Pi 'kurento|kms-|gst.*1.5|nice'

[slabajo]

We have made a fix for this on PR #99 after testing it should go merged on next release