PROCESS_FFT_PERM_SWAP_LSBS  264 libavcodec/fft_template.c #define PROCESS_FFT_PERM_SWAP_LSBS(num) do {\
PROCESS_FFT_PERM_SWAP_LSBS  297 libavcodec/fft_template.c #undef PROCESS_FFT_PERM_SWAP_LSBS