read_packet_wrapper  562 libavformat/aviobuf.c     len = read_packet_wrapper(s, dst, len);
read_packet_wrapper  635 libavformat/aviobuf.c                 len = read_packet_wrapper(s, buf, size);
read_packet_wrapper  702 libavformat/aviobuf.c         len = read_packet_wrapper(s, buf, size);