media/libvpx/vp9/common/vp9_reconinter.h@6474c204b198 (annotated)
media/libvpx/vp9/common/vp9_reconinter.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright (c) 2010 The WebM project authors. All Rights Reserved. |
| michael@0 | 3 | * |
| michael@0 | 4 | * Use of this source code is governed by a BSD-style license |
| michael@0 | 5 | * that can be found in the LICENSE file in the root of the source |
| michael@0 | 6 | * tree. An additional intellectual property rights grant can be found |
| michael@0 | 7 | * in the file PATENTS. All contributing project authors may |
| michael@0 | 8 | * be found in the AUTHORS file in the root of the source tree. |
| michael@0 | 9 | */ |
| michael@0 | 10 | |
| michael@0 | 11 | #ifndef VP9_COMMON_VP9_RECONINTER_H_ |
| michael@0 | 12 | #define VP9_COMMON_VP9_RECONINTER_H_ |
| michael@0 | 13 | |
| michael@0 | 14 | #include "vpx/vpx_integer.h" |
| michael@0 | 15 | #include "vp9/common/vp9_onyxc_int.h" |
| michael@0 | 16 | |
| michael@0 | 17 | struct subpix_fn_table; |
| michael@0 | 18 | void vp9_build_inter_predictors_sby(MACROBLOCKD *xd, int mi_row, int mi_col, |
| michael@0 | 19 | BLOCK_SIZE bsize); |
| michael@0 | 20 | |
| michael@0 | 21 | void vp9_build_inter_predictors_sbuv(MACROBLOCKD *xd, int mi_row, int mi_col, |
| michael@0 | 22 | BLOCK_SIZE bsize); |
| michael@0 | 23 | |
| michael@0 | 24 | void vp9_build_inter_predictors_sb(MACROBLOCKD *xd, int mi_row, int mi_col, |
| michael@0 | 25 | BLOCK_SIZE bsize); |
| michael@0 | 26 | |
| michael@0 | 27 | void vp9_setup_interp_filters(MACROBLOCKD *xd, |
| michael@0 | 28 | INTERPOLATION_TYPE filter, |
| michael@0 | 29 | VP9_COMMON *cm); |
| michael@0 | 30 | |
| michael@0 | 31 | void vp9_build_inter_predictor(const uint8_t *src, int src_stride, |
| michael@0 | 32 | uint8_t *dst, int dst_stride, |
| michael@0 | 33 | const MV *mv_q3, |
| michael@0 | 34 | const struct scale_factors *scale, |
| michael@0 | 35 | int w, int h, int do_avg, |
| michael@0 | 36 | const struct subpix_fn_table *subpix, |
| michael@0 | 37 | enum mv_precision precision); |
| michael@0 | 38 | |
| michael@0 | 39 | static int scaled_buffer_offset(int x_offset, int y_offset, int stride, |
| michael@0 | 40 | const struct scale_factors *scale) { |
| michael@0 | 41 | const int x = scale ? scale->sfc->scale_value_x(x_offset, scale->sfc) : |
| michael@0 | 42 | x_offset; |
| michael@0 | 43 | const int y = scale ? scale->sfc->scale_value_y(y_offset, scale->sfc) : |
| michael@0 | 44 | y_offset; |
| michael@0 | 45 | return y * stride + x; |
| michael@0 | 46 | } |
| michael@0 | 47 | |
| michael@0 | 48 | static void setup_pred_plane(struct buf_2d *dst, |
| michael@0 | 49 | uint8_t *src, int stride, |
| michael@0 | 50 | int mi_row, int mi_col, |
| michael@0 | 51 | const struct scale_factors *scale, |
| michael@0 | 52 | int subsampling_x, int subsampling_y) { |
| michael@0 | 53 | const int x = (MI_SIZE * mi_col) >> subsampling_x; |
| michael@0 | 54 | const int y = (MI_SIZE * mi_row) >> subsampling_y; |
| michael@0 | 55 | dst->buf = src + scaled_buffer_offset(x, y, stride, scale); |
| michael@0 | 56 | dst->stride = stride; |
| michael@0 | 57 | } |
| michael@0 | 58 | |
| michael@0 | 59 | // TODO(jkoleszar): audit all uses of this that don't set mb_row, mb_col |
| michael@0 | 60 | static void setup_dst_planes(MACROBLOCKD *xd, |
| michael@0 | 61 | const YV12_BUFFER_CONFIG *src, |
| michael@0 | 62 | int mi_row, int mi_col) { |
| michael@0 | 63 | uint8_t *buffers[4] = {src->y_buffer, src->u_buffer, src->v_buffer, |
| michael@0 | 64 | src->alpha_buffer}; |
| michael@0 | 65 | int strides[4] = {src->y_stride, src->uv_stride, src->uv_stride, |
| michael@0 | 66 | src->alpha_stride}; |
| michael@0 | 67 | int i; |
| michael@0 | 68 | |
| michael@0 | 69 | for (i = 0; i < MAX_MB_PLANE; ++i) { |
| michael@0 | 70 | struct macroblockd_plane *pd = &xd->plane[i]; |
| michael@0 | 71 | setup_pred_plane(&pd->dst, buffers[i], strides[i], mi_row, mi_col, NULL, |
| michael@0 | 72 | pd->subsampling_x, pd->subsampling_y); |
| michael@0 | 73 | } |
| michael@0 | 74 | } |
| michael@0 | 75 | |
| michael@0 | 76 | static void setup_pre_planes(MACROBLOCKD *xd, int i, |
| michael@0 | 77 | const YV12_BUFFER_CONFIG *src, |
| michael@0 | 78 | int mi_row, int mi_col, |
| michael@0 | 79 | const struct scale_factors *sf) { |
| michael@0 | 80 | if (src) { |
| michael@0 | 81 | int j; |
| michael@0 | 82 | uint8_t* buffers[4] = {src->y_buffer, src->u_buffer, src->v_buffer, |
| michael@0 | 83 | src->alpha_buffer}; |
| michael@0 | 84 | int strides[4] = {src->y_stride, src->uv_stride, src->uv_stride, |
| michael@0 | 85 | src->alpha_stride}; |
| michael@0 | 86 | |
| michael@0 | 87 | for (j = 0; j < MAX_MB_PLANE; ++j) { |
| michael@0 | 88 | struct macroblockd_plane *pd = &xd->plane[j]; |
| michael@0 | 89 | setup_pred_plane(&pd->pre[i], buffers[j], strides[j], |
| michael@0 | 90 | mi_row, mi_col, sf, pd->subsampling_x, pd->subsampling_y); |
| michael@0 | 91 | } |
| michael@0 | 92 | } |
| michael@0 | 93 | } |
| michael@0 | 94 | |
| michael@0 | 95 | static void set_scale_factors(MACROBLOCKD *xd, int ref0, int ref1, |
| michael@0 | 96 | struct scale_factors sf[MAX_REF_FRAMES]) { |
| michael@0 | 97 | xd->scale_factor[0] = sf[ref0 >= 0 ? ref0 : 0]; |
| michael@0 | 98 | xd->scale_factor[1] = sf[ref1 >= 0 ? ref1 : 0]; |
| michael@0 | 99 | } |
| michael@0 | 100 | |
| michael@0 | 101 | void vp9_setup_scale_factors(VP9_COMMON *cm, int i); |
| michael@0 | 102 | |
| michael@0 | 103 | #endif // VP9_COMMON_VP9_RECONINTER_H_ |
