ff_ivi_col_slant4   61 libavcodec/indeo4.c     { ff_ivi_col_slant4,        ff_ivi_dc_col_slant,     0 },
ff_ivi_col_slant4  234 libavcodec/ivi_dsp.h void ff_ivi_col_slant4(const int32_t *in, int16_t *out, uint32_t pitch,