func (i *Chain) BindRTCPReader(reader RTCPReader) RTCPReader {
	for _, interceptor := range i.interceptors {
		reader = interceptor.BindRTCPReader(reader)
	}
	return reader
}
BindRTCPReader lets you modify any incoming RTCP packets. It is called once per sender/receiver, however this might
change in the future. The returned method will be called once per packet batch.
package interceptor
type Chain struct {
	interceptors []Interceptor
}
func NewChain(interceptors []Interceptor) *Chain {
	return &Chain{interceptors: interceptors}
}