340c7a48e6
Simplify feature to only support a single reference frame instead of a mask. Change-Id: I5dd3a98c7a224aafb35708850ab82e2f220e68fb
81 lines
2.8 KiB
C
81 lines
2.8 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
#include <assert.h>
|
|
#include "vp9/common/vp9_blockd.h"
|
|
#include "vp9/common/vp9_seg_common.h"
|
|
|
|
static const int seg_feature_data_signed[SEG_LVL_MAX] = { 1, 1, 0, 0 };
|
|
static const int seg_feature_data_max[SEG_LVL_MAX] = { MAXQ, 63, 15, 0 };
|
|
|
|
// These functions provide access to new segment level features.
|
|
// Eventually these function may be "optimized out" but for the moment,
|
|
// the coding mechanism is still subject to change so these provide a
|
|
// convenient single point of change.
|
|
|
|
int vp9_segfeature_active(const MACROBLOCKD *xd, int segment_id,
|
|
SEG_LVL_FEATURES feature_id) {
|
|
return xd->segmentation_enabled &&
|
|
(xd->segment_feature_mask[segment_id] & (1 << feature_id));
|
|
}
|
|
|
|
void vp9_clearall_segfeatures(MACROBLOCKD *xd) {
|
|
vpx_memset(xd->segment_feature_data, 0, sizeof(xd->segment_feature_data));
|
|
vpx_memset(xd->segment_feature_mask, 0, sizeof(xd->segment_feature_mask));
|
|
}
|
|
|
|
void vp9_enable_segfeature(MACROBLOCKD *xd, int segment_id,
|
|
SEG_LVL_FEATURES feature_id) {
|
|
xd->segment_feature_mask[segment_id] |= 1 << feature_id;
|
|
}
|
|
|
|
void vp9_disable_segfeature(MACROBLOCKD *xd, int segment_id,
|
|
SEG_LVL_FEATURES feature_id) {
|
|
xd->segment_feature_mask[segment_id] &= ~(1 << feature_id);
|
|
}
|
|
|
|
int vp9_seg_feature_data_max(SEG_LVL_FEATURES feature_id) {
|
|
return seg_feature_data_max[feature_id];
|
|
}
|
|
|
|
int vp9_is_segfeature_signed(SEG_LVL_FEATURES feature_id) {
|
|
return seg_feature_data_signed[feature_id];
|
|
}
|
|
|
|
void vp9_clear_segdata(MACROBLOCKD *xd, int segment_id,
|
|
SEG_LVL_FEATURES feature_id) {
|
|
xd->segment_feature_data[segment_id][feature_id] = 0;
|
|
}
|
|
|
|
void vp9_set_segdata(MACROBLOCKD *xd, int segment_id,
|
|
SEG_LVL_FEATURES feature_id, int seg_data) {
|
|
assert(seg_data <= seg_feature_data_max[feature_id]);
|
|
if (seg_data < 0) {
|
|
assert(seg_feature_data_signed[feature_id]);
|
|
assert(-seg_data <= seg_feature_data_max[feature_id]);
|
|
}
|
|
|
|
xd->segment_feature_data[segment_id][feature_id] = seg_data;
|
|
}
|
|
|
|
int vp9_get_segdata(const MACROBLOCKD *xd, int segment_id,
|
|
SEG_LVL_FEATURES feature_id) {
|
|
return xd->segment_feature_data[segment_id][feature_id];
|
|
}
|
|
|
|
|
|
const vp9_tree_index vp9_segment_tree[14] = {
|
|
2, 4, 6, 8, 10, 12,
|
|
0, -1, -2, -3, -4, -5, -6, -7
|
|
};
|
|
|
|
|
|
// TBD? Functions to read and write segment data with range / validity checking
|