Synopsis

int                 schro_metric_absdiff_u8             (uint8_t *a,
                                                         int a_stride,
                                                         uint8_t *b,
                                                         int b_stride,
                                                         int width,
                                                         int height);
int                 schro_metric_haar                   (uint8_t *src1,
                                                         int stride1,
                                                         uint8_t *src2,
                                                         int stride2,
                                                         int width,
                                                         int height);
int                 schro_metric_haar_const             (uint8_t *data,
                                                         int stride,
                                                         int dc_value,
                                                         int width,
                                                         int height);
int                 schro_metric_abssum_s16             (int16_t *data,
                                                         int stride,
                                                         int width,
                                                         int height);
int                 schro_metric_sum_u8                 (uint8_t *data,
                                                         int stride,
                                                         int width,
                                                         int height);