vp9/encoder/vp9_segmentation.h

   1 /*
   2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license
   5  *  that can be found in the LICENSE file in the root of the source
   6  *  tree. An additional intellectual property rights grant can be found
   7  *  in the file PATENTS.  All contributing project authors may
   8  *  be found in the AUTHORS file in the root of the source tree.
   9  */
  10
  11
  12 #ifndef VP9_ENCODER_VP9_SEGMENTATION_H_
  13 #define VP9_ENCODER_VP9_SEGMENTATION_H_
  14
  15 #include "vp9/common/vp9_blockd.h"
  16 #include "vp9/encoder/vp9_encoder.h"
  17
  18 #ifdef __cplusplus
  19 extern "C" {
  20 #endif
  21
  22 void vp9_enable_segmentation(struct segmentation *seg);
  23 void vp9_disable_segmentation(struct segmentation *seg);
  24
  25 void vp9_disable_segfeature(struct segmentation *seg,
  26                             int segment_id,
  27                             SEG_LVL_FEATURES feature_id);
  28 void vp9_clear_segdata(struct segmentation *seg,
  29                        int segment_id,
  30                        SEG_LVL_FEATURES feature_id);
  31
  32 // The values given for each segment can be either deltas (from the default
  33 // value chosen for the frame) or absolute values.
  34 //
  35 // Valid range for abs values is (0-127 for MB_LVL_ALT_Q), (0-63 for
  36 // SEGMENT_ALT_LF)
  37 // Valid range for delta values are (+/-127 for MB_LVL_ALT_Q), (+/-63 for
  38 // SEGMENT_ALT_LF)
  39 //
  40 // abs_delta = SEGMENT_DELTADATA (deltas) abs_delta = SEGMENT_ABSDATA (use
  41 // the absolute values given).
  42 void vp9_set_segment_data(struct segmentation *seg, signed char *feature_data,
  43                           unsigned char abs_delta);
  44
  45 void vp9_choose_segmap_coding_method(VP9_COMMON *cm, MACROBLOCKD *xd);
  46
  47 void vp9_reset_segment_features(struct segmentation *seg);
  48
  49 #ifdef __cplusplus
  50 }  // extern "C"
  51 #endif
  52
  53 #endif  // VP9_ENCODER_VP9_SEGMENTATION_H_