1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libvpx/vp9/common/vp9_reconinter.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,103 @@
1.4 +/*
1.5 + * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
1.6 + *
1.7 + * Use of this source code is governed by a BSD-style license
1.8 + * that can be found in the LICENSE file in the root of the source
1.9 + * tree. An additional intellectual property rights grant can be found
1.10 + * in the file PATENTS. All contributing project authors may
1.11 + * be found in the AUTHORS file in the root of the source tree.
1.12 + */
1.13 +
1.14 +#ifndef VP9_COMMON_VP9_RECONINTER_H_
1.15 +#define VP9_COMMON_VP9_RECONINTER_H_
1.16 +
1.17 +#include "vpx/vpx_integer.h"
1.18 +#include "vp9/common/vp9_onyxc_int.h"
1.19 +
1.20 +struct subpix_fn_table;
1.21 +void vp9_build_inter_predictors_sby(MACROBLOCKD *xd, int mi_row, int mi_col,
1.22 + BLOCK_SIZE bsize);
1.23 +
1.24 +void vp9_build_inter_predictors_sbuv(MACROBLOCKD *xd, int mi_row, int mi_col,
1.25 + BLOCK_SIZE bsize);
1.26 +
1.27 +void vp9_build_inter_predictors_sb(MACROBLOCKD *xd, int mi_row, int mi_col,
1.28 + BLOCK_SIZE bsize);
1.29 +
1.30 +void vp9_setup_interp_filters(MACROBLOCKD *xd,
1.31 + INTERPOLATION_TYPE filter,
1.32 + VP9_COMMON *cm);
1.33 +
1.34 +void vp9_build_inter_predictor(const uint8_t *src, int src_stride,
1.35 + uint8_t *dst, int dst_stride,
1.36 + const MV *mv_q3,
1.37 + const struct scale_factors *scale,
1.38 + int w, int h, int do_avg,
1.39 + const struct subpix_fn_table *subpix,
1.40 + enum mv_precision precision);
1.41 +
1.42 +static int scaled_buffer_offset(int x_offset, int y_offset, int stride,
1.43 + const struct scale_factors *scale) {
1.44 + const int x = scale ? scale->sfc->scale_value_x(x_offset, scale->sfc) :
1.45 + x_offset;
1.46 + const int y = scale ? scale->sfc->scale_value_y(y_offset, scale->sfc) :
1.47 + y_offset;
1.48 + return y * stride + x;
1.49 +}
1.50 +
1.51 +static void setup_pred_plane(struct buf_2d *dst,
1.52 + uint8_t *src, int stride,
1.53 + int mi_row, int mi_col,
1.54 + const struct scale_factors *scale,
1.55 + int subsampling_x, int subsampling_y) {
1.56 + const int x = (MI_SIZE * mi_col) >> subsampling_x;
1.57 + const int y = (MI_SIZE * mi_row) >> subsampling_y;
1.58 + dst->buf = src + scaled_buffer_offset(x, y, stride, scale);
1.59 + dst->stride = stride;
1.60 +}
1.61 +
1.62 +// TODO(jkoleszar): audit all uses of this that don't set mb_row, mb_col
1.63 +static void setup_dst_planes(MACROBLOCKD *xd,
1.64 + const YV12_BUFFER_CONFIG *src,
1.65 + int mi_row, int mi_col) {
1.66 + uint8_t *buffers[4] = {src->y_buffer, src->u_buffer, src->v_buffer,
1.67 + src->alpha_buffer};
1.68 + int strides[4] = {src->y_stride, src->uv_stride, src->uv_stride,
1.69 + src->alpha_stride};
1.70 + int i;
1.71 +
1.72 + for (i = 0; i < MAX_MB_PLANE; ++i) {
1.73 + struct macroblockd_plane *pd = &xd->plane[i];
1.74 + setup_pred_plane(&pd->dst, buffers[i], strides[i], mi_row, mi_col, NULL,
1.75 + pd->subsampling_x, pd->subsampling_y);
1.76 + }
1.77 +}
1.78 +
1.79 +static void setup_pre_planes(MACROBLOCKD *xd, int i,
1.80 + const YV12_BUFFER_CONFIG *src,
1.81 + int mi_row, int mi_col,
1.82 + const struct scale_factors *sf) {
1.83 + if (src) {
1.84 + int j;
1.85 + uint8_t* buffers[4] = {src->y_buffer, src->u_buffer, src->v_buffer,
1.86 + src->alpha_buffer};
1.87 + int strides[4] = {src->y_stride, src->uv_stride, src->uv_stride,
1.88 + src->alpha_stride};
1.89 +
1.90 + for (j = 0; j < MAX_MB_PLANE; ++j) {
1.91 + struct macroblockd_plane *pd = &xd->plane[j];
1.92 + setup_pred_plane(&pd->pre[i], buffers[j], strides[j],
1.93 + mi_row, mi_col, sf, pd->subsampling_x, pd->subsampling_y);
1.94 + }
1.95 + }
1.96 +}
1.97 +
1.98 +static void set_scale_factors(MACROBLOCKD *xd, int ref0, int ref1,
1.99 + struct scale_factors sf[MAX_REF_FRAMES]) {
1.100 + xd->scale_factor[0] = sf[ref0 >= 0 ? ref0 : 0];
1.101 + xd->scale_factor[1] = sf[ref1 >= 0 ? ref1 : 0];
1.102 +}
1.103 +
1.104 +void vp9_setup_scale_factors(VP9_COMMON *cm, int i);
1.105 +
1.106 +#endif // VP9_COMMON_VP9_RECONINTER_H_
