idct              163 libavcodec/4xm.c static void idct(int16_t block[64])
idct               47 libavcodec/vp3dsp.c static av_always_inline void idct(uint8_t *dst, ptrdiff_t stride,
idct              106 libavfilter/vsrc_mptestsrc.c static void idct(uint8_t *dst, int dst_linesize, int src[64])