write_packet_header  349 libavformat/rmenc.c     write_packet_header(s, stream, size, !!(flags & PKT_FLAG_KEY));
write_packet_header  375 libavformat/rmenc.c     write_packet_header(s, stream, size + 7 + (size >= 0x4000)*4, key_frame);
write_packet_header  394 libavformat/rmenc.c     write_packet_header(s, size + 6);