message: Avoid to announce recv ssrc in a recvonly connection
diff: @@ -134,14 +134,16 @@ function getMediaInfoFromDescription(info, sdp, mediaType) {
  }
  const sources = new Map();
  - if (mediaType === 'audio') {
  + if (mediaType === 'audio' && info.getDirection() !== 'recvonly') {
  addSsrc(sources, info.getAudioSsrc(), sdp, media);
  } else if (mediaType === 'video') {
  media.setBitrate(info.getVideoBandwidth());
  + if (info.getDirection() !== 'recvonly') {
  info.getVideoSsrcList().forEach((ssrc) => {
  addSsrc(sources, ssrc, sdp, media);
  });
  + }
  const rids = info.getRids();
  let isSimulcast = false;
  