vpx/vp8/common/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.
 */

#include "type_aliases.h"
#include "onyxc_int.h"
#include "vp8/common/blockd.h"

#ifndef __INC_PRED_COMMON_H__
#define __INC_PRED_COMMON_H__ 1


// Predicted items
typedef enum {
  PRED_SEG_ID = 0,               // Segment identifier
  PRED_REF = 1,
  PRED_COMP = 2,
  PRED_MBSKIP = 3,
#if CONFIG_SWITCHABLE_INTERP
  PRED_SWITCHABLE_INTERP = 4,
#endif
} PRED_ID;


extern unsigned char get_pred_context(const VP8_COMMON *const cm,
                                      const MACROBLOCKD *const xd,
                                      PRED_ID pred_id);

extern vp8_prob get_pred_prob(const VP8_COMMON *const cm,
                              const MACROBLOCKD *const xd,
                              PRED_ID pred_id);

extern const vp8_prob *get_pred_probs(const VP8_COMMON *const cm,
                                const MACROBLOCKD *const xd,
                                PRED_ID pred_id);

extern unsigned char get_pred_flag(const MACROBLOCKD *const xd,
                                   PRED_ID pred_id);

extern void set_pred_flag(MACROBLOCKD *const xd,
                          PRED_ID pred_id,
                          unsigned char pred_flag);


extern unsigned char get_pred_mb_segid(const VP8_COMMON *const cm, int MbIndex);

extern MV_REFERENCE_FRAME get_pred_ref(const VP8_COMMON *const cm,
                                       const MACROBLOCKD *const xd);
extern void compute_mod_refprobs(VP8_COMMON *const cm);

#endif /* __INC_PRED_COMMON_H__ */