RSCALE             35 libavcodec/mdct_template.c #   define RSCALE(x) (x)
RSCALE             38 libavcodec/mdct_template.c #   define RSCALE(x) (((x) + 32) >> 6)
RSCALE             40 libavcodec/mdct_template.c #   define RSCALE(x) ((x) >> 1)