IS_INTERLACED      84 libavcodec/h264.h #undef  IS_INTERLACED
IS_INTERLACED      85 libavcodec/h264.h #define IS_INTERLACED(mb_type) 0
IS_INTERLACED      79 libavcodec/mpegutils.h #define IS_INTERLACED(a) ((a) & MB_TYPE_INTERLACED)