idct_col          277 libavcodec/alpha/simple_idct_alpha.c         idct_col(block);
idct_col          294 libavcodec/alpha/simple_idct_alpha.c             idct_col(block + i);
idct_col          593 libavcodec/x86/idct_mmx.c     idct_col (block, 0);                                                \
idct_col          594 libavcodec/x86/idct_mmx.c     idct_col (block, 4);                                                \