SYSTEM_HEADER_START_CODE   67 libavformat/mpeg.c             if(code == SYSTEM_HEADER_START_CODE) sys++;
SYSTEM_HEADER_START_CODE  253 libavformat/mpeg.c     if (startcode == SYSTEM_HEADER_START_CODE)
SYSTEM_HEADER_START_CODE  128 libavformat/mpegenc.c     put_bits(&pb, 32, SYSTEM_HEADER_START_CODE);