//void av_stream_set_r_frame_rate (Stream *s, Rational r) func (s *Stream) AvStreamSetRFrameRate(r Rational) { C.av_stream_set_r_frame_rate((*C.struct_AVStream)(s), (C.struct_AVRational)(r)) }
//void av_stream_set_r_frame_rate (AVStream *s, AVRational r) func Av_stream_set_r_frame_rate(s *AVStream, r AVRational) { C.av_stream_set_r_frame_rate((*C.struct_AVStream)(s), (C.struct_AVRational)(r)) }