My video which is coming from a network stream http://192.168.1.102:8080/video needs to be delayed to be synced with the audio source (http://192.168.1.102:8080/audio.wav) but i can't seem to delay the video at all. If i use some other source like desktop audio and delay that (audio) the sync offset setting works. But the network source video or audio don't get affected by sync offset setting. Why could that be happening?