1 /* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef VP9_COMMON_VP9_RECONINTER_H_ 12 #define VP9_COMMON_VP9_RECONINTER_H_ 13 14 #include "vpx/vpx_integer.h" 15 #include "vp9/common/vp9_onyxc_int.h" 16 17 struct subpix_fn_table; 18 void vp9_build_inter_predictors_sby(MACROBLOCKD *xd, int mi_row, int mi_col, 19 BLOCK_SIZE bsize); 20 21 void vp9_build_inter_predictors_sbuv(MACROBLOCKD *xd, int mi_row, int mi_col, 22 BLOCK_SIZE bsize); 23 24 void vp9_build_inter_predictors_sb(MACROBLOCKD *xd, int mi_row, int mi_col, 25 BLOCK_SIZE bsize); 26 27 void vp9_setup_interp_filters(MACROBLOCKD *xd, 28 INTERPOLATIONFILTERTYPE filter, 29 VP9_COMMON *cm); 30 31 void vp9_build_inter_predictor(const uint8_t *src, int src_stride, 32 uint8_t *dst, int dst_stride, 33 const MV *mv_q3, 34 const struct scale_factors *scale, 35 int w, int h, int do_avg, 36 const struct subpix_fn_table *subpix, 37 enum mv_precision precision); 38 39 static int scaled_buffer_offset(int x_offset, int y_offset, int stride, 40 const struct scale_factors *scale) { 41 const int x = scale ? scale->scale_value_x(x_offset, scale) : x_offset; 42 const int y = scale ? scale->scale_value_y(y_offset, scale) : y_offset; 43 return y * stride + x; 44 } 45 46 static void setup_pred_plane(struct buf_2d *dst, 47 uint8_t *src, int stride, 48 int mi_row, int mi_col, 49 const struct scale_factors *scale, 50 int subsampling_x, int subsampling_y) { 51 const int x = (MI_SIZE * mi_col) >> subsampling_x; 52 const int y = (MI_SIZE * mi_row) >> subsampling_y; 53 dst->buf = src + scaled_buffer_offset(x, y, stride, scale); 54 dst->stride = stride; 55 } 56 57 // TODO(jkoleszar): audit all uses of this that don't set mb_row, mb_col 58 static void setup_dst_planes(MACROBLOCKD *xd, 59 const YV12_BUFFER_CONFIG *src, 60 int mi_row, int mi_col) { 61 uint8_t *buffers[4] = {src->y_buffer, src->u_buffer, src->v_buffer, 62 src->alpha_buffer}; 63 int strides[4] = {src->y_stride, src->uv_stride, src->uv_stride, 64 src->alpha_stride}; 65 int i; 66 67 for (i = 0; i < MAX_MB_PLANE; ++i) { 68 struct macroblockd_plane *pd = &xd->plane[i]; 69 setup_pred_plane(&pd->dst, buffers[i], strides[i], mi_row, mi_col, NULL, 70 pd->subsampling_x, pd->subsampling_y); 71 } 72 } 73 74 static void setup_pre_planes(MACROBLOCKD *xd, int i, 75 const YV12_BUFFER_CONFIG *src, 76 int mi_row, int mi_col, 77 const struct scale_factors *sf) { 78 if (src) { 79 int j; 80 uint8_t* buffers[4] = {src->y_buffer, src->u_buffer, src->v_buffer, 81 src->alpha_buffer}; 82 int strides[4] = {src->y_stride, src->uv_stride, src->uv_stride, 83 src->alpha_stride}; 84 85 for (j = 0; j < MAX_MB_PLANE; ++j) { 86 struct macroblockd_plane *pd = &xd->plane[j]; 87 setup_pred_plane(&pd->pre[i], buffers[j], strides[j], 88 mi_row, mi_col, sf, pd->subsampling_x, pd->subsampling_y); 89 } 90 } 91 } 92 93 static void set_scale_factors(MACROBLOCKD *xd, int ref0, int ref1, 94 struct scale_factors sf[MAX_REF_FRAMES]) { 95 xd->scale_factor[0] = sf[ref0 >= 0 ? ref0 : 0]; 96 xd->scale_factor[1] = sf[ref1 >= 0 ? ref1 : 0]; 97 } 98 99 void vp9_setup_scale_factors(VP9_COMMON *cm, int i); 100 101 #endif // VP9_COMMON_VP9_RECONINTER_H_ 102
