ff_init_scantable_permutation_x86 56 libavcodec/idctdsp.c if (ff_init_scantable_permutation_x86(idct_permutation, ff_init_scantable_permutation_x86 50 libavcodec/idctdsp.h int ff_init_scantable_permutation_x86(uint8_t *idct_permutation,