chromium/third_party/libvpx/source/libvpx/vp8/common/findnearmv.h

/*
 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#ifndef VPX_VP8_COMMON_FINDNEARMV_H_
#define VPX_VP8_COMMON_FINDNEARMV_H_

#include "./vpx_config.h"
#include "mv.h"
#include "blockd.h"
#include "modecont.h"
#include "treecoder.h"

#ifdef __cplusplus
extern "C" {
#endif

static INLINE void mv_bias(int refmb_ref_frame_sign_bias, int refframe,
                           int_mv *mvp, const int *ref_frame_sign_bias) { … }

#define LEFT_TOP_MARGIN …
#define RIGHT_BOTTOM_MARGIN …
static INLINE void vp8_clamp_mv2(int_mv *mv, const MACROBLOCKD *xd) { … }

static INLINE void vp8_clamp_mv(int_mv *mv, int mb_to_left_edge,
                                int mb_to_right_edge, int mb_to_top_edge,
                                int mb_to_bottom_edge) { … }
static INLINE unsigned int vp8_check_mv_bounds(int_mv *mv, int mb_to_left_edge,
                                               int mb_to_right_edge,
                                               int mb_to_top_edge,
                                               int mb_to_bottom_edge) { … }

void vp8_find_near_mvs(MACROBLOCKD *xd, const MODE_INFO *here, int_mv *nearest,
                       int_mv *nearby, int_mv *best_mv, int near_mv_ref_cnts[4],
                       int refframe, int *ref_frame_sign_bias);

int vp8_find_near_mvs_bias(MACROBLOCKD *xd, const MODE_INFO *here,
                           int_mv mode_mv_sb[2][MB_MODE_COUNT],
                           int_mv best_mv_sb[2], int cnt[4], int refframe,
                           int *ref_frame_sign_bias);

vp8_prob *vp8_mv_ref_probs(vp8_prob p[VP8_MVREFS - 1],
                           const int near_mv_ref_ct[4]);

extern const unsigned char vp8_mbsplit_offset[4][16];

static INLINE uint32_t left_block_mv(const MODE_INFO *cur_mb, int b) { … }

static INLINE uint32_t above_block_mv(const MODE_INFO *cur_mb, int b,
                                      int mi_stride) { … }
static INLINE B_PREDICTION_MODE left_block_mode(const MODE_INFO *cur_mb,
                                                int b) { … }

static INLINE B_PREDICTION_MODE above_block_mode(const MODE_INFO *cur_mb, int b,
                                                 int mi_stride) { … }

#ifdef __cplusplus
}  // extern "C"
#endif

#endif  // VPX_VP8_COMMON_FINDNEARMV_H_