media/libvpx/vp9/common/vp9_seg_common.h

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 /*
michael@0 2 * Copyright (c) 2012 The WebM project authors. All Rights Reserved.
michael@0 3 *
michael@0 4 * Use of this source code is governed by a BSD-style license
michael@0 5 * that can be found in the LICENSE file in the root of the source
michael@0 6 * tree. An additional intellectual property rights grant can be found
michael@0 7 * in the file PATENTS. All contributing project authors may
michael@0 8 * be found in the AUTHORS file in the root of the source tree.
michael@0 9 */
michael@0 10
michael@0 11 #ifndef VP9_COMMON_VP9_SEG_COMMON_H_
michael@0 12 #define VP9_COMMON_VP9_SEG_COMMON_H_
michael@0 13
michael@0 14 #include "vp9/common/vp9_treecoder.h"
michael@0 15
michael@0 16 #define SEGMENT_DELTADATA 0
michael@0 17 #define SEGMENT_ABSDATA 1
michael@0 18
michael@0 19 #define MAX_SEGMENTS 8
michael@0 20 #define SEG_TREE_PROBS (MAX_SEGMENTS-1)
michael@0 21
michael@0 22 #define PREDICTION_PROBS 3
michael@0 23
michael@0 24 // Segment level features.
michael@0 25 typedef enum {
michael@0 26 SEG_LVL_ALT_Q = 0, // Use alternate Quantizer ....
michael@0 27 SEG_LVL_ALT_LF = 1, // Use alternate loop filter value...
michael@0 28 SEG_LVL_REF_FRAME = 2, // Optional Segment reference frame
michael@0 29 SEG_LVL_SKIP = 3, // Optional Segment (0,0) + skip mode
michael@0 30 SEG_LVL_MAX = 4 // Number of features supported
michael@0 31 } SEG_LVL_FEATURES;
michael@0 32
michael@0 33
michael@0 34 struct segmentation {
michael@0 35 uint8_t enabled;
michael@0 36 uint8_t update_map;
michael@0 37 uint8_t update_data;
michael@0 38 uint8_t abs_delta;
michael@0 39 uint8_t temporal_update;
michael@0 40
michael@0 41 vp9_prob tree_probs[SEG_TREE_PROBS];
michael@0 42 vp9_prob pred_probs[PREDICTION_PROBS];
michael@0 43
michael@0 44 int16_t feature_data[MAX_SEGMENTS][SEG_LVL_MAX];
michael@0 45 unsigned int feature_mask[MAX_SEGMENTS];
michael@0 46 };
michael@0 47
michael@0 48 int vp9_segfeature_active(const struct segmentation *seg,
michael@0 49 int segment_id,
michael@0 50 SEG_LVL_FEATURES feature_id);
michael@0 51
michael@0 52 void vp9_clearall_segfeatures(struct segmentation *seg);
michael@0 53
michael@0 54 void vp9_enable_segfeature(struct segmentation *seg,
michael@0 55 int segment_id,
michael@0 56 SEG_LVL_FEATURES feature_id);
michael@0 57
michael@0 58 void vp9_disable_segfeature(struct segmentation *seg,
michael@0 59 int segment_id,
michael@0 60 SEG_LVL_FEATURES feature_id);
michael@0 61
michael@0 62 int vp9_seg_feature_data_max(SEG_LVL_FEATURES feature_id);
michael@0 63
michael@0 64 int vp9_is_segfeature_signed(SEG_LVL_FEATURES feature_id);
michael@0 65
michael@0 66 void vp9_clear_segdata(struct segmentation *seg,
michael@0 67 int segment_id,
michael@0 68 SEG_LVL_FEATURES feature_id);
michael@0 69
michael@0 70 void vp9_set_segdata(struct segmentation *seg,
michael@0 71 int segment_id,
michael@0 72 SEG_LVL_FEATURES feature_id,
michael@0 73 int seg_data);
michael@0 74
michael@0 75 int vp9_get_segdata(const struct segmentation *seg,
michael@0 76 int segment_id,
michael@0 77 SEG_LVL_FEATURES feature_id);
michael@0 78
michael@0 79 extern const vp9_tree_index vp9_segment_tree[TREE_SIZE(MAX_SEGMENTS)];
michael@0 80
michael@0 81 #endif // VP9_COMMON_VP9_SEG_COMMON_H_
michael@0 82

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