ff_j_rev_dct2      64 libavcodec/dct.h void ff_j_rev_dct2(int16_t *data);
ff_j_rev_dct2     220 libavcodec/idctdsp.c     ff_j_rev_dct2 (block);
ff_j_rev_dct2     225 libavcodec/idctdsp.c     ff_j_rev_dct2 (block);
ff_j_rev_dct2     250 libavcodec/idctdsp.c         c->idct      = ff_j_rev_dct2;