+ if (call->videostream){
+ video_rating=media_stream_get_quality_rating((MediaStream*)call->videostream)/5.0;
+ }
+ if (audio_rating<0 && video_rating<0) result=-1;
+ else if (audio_rating<0) result=video_rating*5.0;
+ else if (video_rating<0) result=audio_rating*5.0;
+ else result=audio_rating*video_rating*5.0;
+ return result;