ff_ivi_row_slant4   60 libavcodec/indeo4.c     { ff_ivi_row_slant4,        ff_ivi_dc_row_slant,     0 },
ff_ivi_row_slant4  221 libavcodec/ivi_dsp.h void ff_ivi_row_slant4(const int32_t *in, int16_t *out, uint32_t pitch,