diff --git a/src/inter.c b/src/inter.c index 3fd62a92..3f71c866 100644 --- a/src/inter.c +++ b/src/inter.c @@ -371,7 +371,7 @@ static void inter_cp_with_ext_border(const uvg_pixel *ref_buf, int ref_stride, for (int x = mv_in_frame->x; x < mv_in_frame->x + width; ++x) { vector2d_t in_frame = { mv_wrap?((x<0)?x+ref_width:x%ref_width):CLIP(0, ref_width - 1, x), - mv_wrap?((y<0)?y+ref_height:y%ref_height):CLIP(0, ref_height - 1, y), + CLIP(0, ref_height - 1, y), }; vector2d_t in_pu = { x - mv_in_frame->x, diff --git a/src/strategies/generic/ipol-generic.c b/src/strategies/generic/ipol-generic.c index b6581a9c..9777d02e 100644 --- a/src/strategies/generic/ipol-generic.c +++ b/src/strategies/generic/ipol-generic.c @@ -828,26 +828,25 @@ void uvg_get_extended_block_wraparound_generic(uvg_epol_args *args) *args->ext_origin = args->buf + args->pad_t * (*args->ext_s) + args->pad_l; // Note that stride equals width here. - int cnt_l = CLIP(0, *args->ext_s, -min_x); - int cnt_r = CLIP(0, *args->ext_s, max_x - (args->src_w - 1)); - int cnt_m = CLIP(0, *args->ext_s, *args->ext_s - cnt_l - cnt_r); + int count_left = CLIP(0, *args->ext_s, -min_x); + int count_right = CLIP(0, *args->ext_s, max_x - (args->src_w - 1)); + int count_middle = CLIP(0, *args->ext_s, *args->ext_s - count_left - count_right); // For each row including real padding. // Don't read "don't care" values (SIMD padding). Zero them out. int y; for (y = -args->pad_t; y < args->blk_h + args->pad_b; ++y) { - int absolute_y = args->blk_y + y; - int wrapped_y = absolute_y<0?args->src_h+absolute_y:((absolute_y > args->src_h - 1)?absolute_y-args->src_h:absolute_y); - uvg_pixel *sample_l = args->src + wrapped_y * args->src_s; + int clipped_y = CLIP(0, args->src_h - 1, args->blk_y + y); + uvg_pixel *sample_l = args->src + clipped_y * args->src_s; uvg_pixel *sample_r = - args->src + wrapped_y * args->src_s + args->src_w - 1; - uvg_pixel *src_m = args->src + wrapped_y * args->src_s + MAX(min_x, 0); + args->src + clipped_y * args->src_s + args->src_w - 1; + uvg_pixel *src_m = args->src + clipped_y * args->src_s + MAX(min_x, 0); uvg_pixel *dst_l = args->buf + (y + args->pad_t) * (*args->ext_s); - uvg_pixel *dst_m = dst_l + cnt_l; - uvg_pixel *dst_r = dst_m + cnt_m; - for (int i = 0; i < cnt_l; ++i) *(dst_l + i) = *(sample_r - (cnt_l-i)); - for (int i = 0; i < cnt_m; ++i) *(dst_m + i) = *(src_m + i); - for (int i = 0; i < cnt_r; ++i) *(dst_r + i) = *(sample_l + i); + uvg_pixel *dst_m = dst_l + count_left; + uvg_pixel *dst_r = dst_m + count_middle; + for (int i = 0; i < count_left; ++i) *(dst_l + i) = *((sample_r - (count_left-1)) + i); + for (int i = 0; i < count_middle; ++i) *(dst_m + i) = *(src_m + i); + for (int i = 0; i < count_right; ++i) *(dst_r + i) = *(sample_l + i); } for (int y_simd = 0; y_simd < args->pad_b_simd; ++y_simd) {