check for !codec instead
check for !codec instead

bpyoung92/apprtc,webrtc/apprtc,samdutton/apprtc,bpyoung92/apprtc,samdutton/apprtc,webrtc/apprtc,samdutton/apprtc,samdutton/apprtc,webrtc/apprtc,samdutton/apprtc,bpyoung92/apprtc,bpyoung92/apprtc,webrtc/apprtc,webrtc/apprtc,bpyoung92/apprtc