chromium/third_party/libvpx/source/libvpx/vp9/common/vp9_pred_common.h

/*
 *  Copyright (c) 2012 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_VP9_COMMON_VP9_PRED_COMMON_H_
#define VPX_VP9_COMMON_VP9_PRED_COMMON_H_

#include "vp9/common/vp9_blockd.h"
#include "vp9/common/vp9_onyxc_int.h"
#include "vpx_dsp/vpx_dsp_common.h"

#ifdef __cplusplus
extern "C" {
#endif

static INLINE int get_segment_id(const VP9_COMMON *cm,
                                 const uint8_t *segment_ids, BLOCK_SIZE bsize,
                                 int mi_row, int mi_col) { … }

static INLINE int vp9_get_pred_context_seg_id(const MACROBLOCKD *xd) { … }

static INLINE vpx_prob vp9_get_pred_prob_seg_id(const struct segmentation *seg,
                                                const MACROBLOCKD *xd) { … }

static INLINE int vp9_get_skip_context(const MACROBLOCKD *xd) { … }

static INLINE vpx_prob vp9_get_skip_prob(const VP9_COMMON *cm,
                                         const MACROBLOCKD *xd) { … }

// Returns a context number for the given MB prediction signal
static INLINE int get_pred_context_switchable_interp(const MACROBLOCKD *xd) { … }

// The mode info data structure has a one element border above and to the
// left of the entries corresponding to real macroblocks.
// The prediction flags in these dummy entries are initialized to 0.
// 0 - inter/inter, inter/--, --/inter, --/--
// 1 - intra/inter, inter/intra
// 2 - intra/--, --/intra
// 3 - intra/intra
static INLINE int get_intra_inter_context(const MACROBLOCKD *xd) { … }

static INLINE vpx_prob vp9_get_intra_inter_prob(const VP9_COMMON *cm,
                                                const MACROBLOCKD *xd) { … }

int vp9_get_reference_mode_context(const VP9_COMMON *cm, const MACROBLOCKD *xd);

static INLINE vpx_prob vp9_get_reference_mode_prob(const VP9_COMMON *cm,
                                                   const MACROBLOCKD *xd) { … }

int vp9_get_pred_context_comp_ref_p(const VP9_COMMON *cm,
                                    const MACROBLOCKD *xd);

static INLINE vpx_prob vp9_get_pred_prob_comp_ref_p(const VP9_COMMON *cm,
                                                    const MACROBLOCKD *xd) { … }

int vp9_get_pred_context_single_ref_p1(const MACROBLOCKD *xd);

static INLINE vpx_prob vp9_get_pred_prob_single_ref_p1(const VP9_COMMON *cm,
                                                       const MACROBLOCKD *xd) { … }

int vp9_get_pred_context_single_ref_p2(const MACROBLOCKD *xd);

static INLINE vpx_prob vp9_get_pred_prob_single_ref_p2(const VP9_COMMON *cm,
                                                       const MACROBLOCKD *xd) { … }

int vp9_compound_reference_allowed(const VP9_COMMON *cm);

void vp9_setup_compound_reference_mode(VP9_COMMON *cm);

// Returns a context number for the given MB prediction signal
// The mode info data structure has a one element border above and to the
// left of the entries corresponding to real blocks.
// The prediction flags in these dummy entries are initialized to 0.
static INLINE int get_tx_size_context(const MACROBLOCKD *xd) { … }

static INLINE const vpx_prob *get_tx_probs(TX_SIZE max_tx_size, int ctx,
                                           const struct tx_probs *tx_probs) { … }

static INLINE unsigned int *get_tx_counts(TX_SIZE max_tx_size, int ctx,
                                          struct tx_counts *tx_counts) { … }

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

#endif  // VPX_VP9_COMMON_VP9_PRED_COMMON_H_