vpx/vp8/common/seg_common.c
Paul Wilkins e05e6e107e Remove old experiment.
Delete code relating to featureupdates experiment.

Change-Id: If218762c658bb8cbb3007cf2069123b3e05adcbc
2012-10-30 17:36:09 +00:00

105 lines
3.6 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 "vp8/common/seg_common.h"
const int segfeaturedata_signed[SEG_LVL_MAX] = {1, 1, 0, 0, 0, 0};
const int vp8_seg_feature_data_bits[SEG_LVL_MAX] =
{QINDEX_BITS, 6, 4, 4, 6, 2};
// 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 true if mask bit set and segmentation enabled.
return (xd->segmentation_enabled &&
(xd->segment_feature_mask[segment_id] &
(0x01 << 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] |= (0x01 << 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_bits(SEG_LVL_FEATURES feature_id) {
return vp8_seg_feature_data_bits[feature_id];
}
int vp9_is_segfeature_signed(SEG_LVL_FEATURES feature_id) {
return (segfeaturedata_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) {
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];
}
void vp9_clear_segref(MACROBLOCKD *xd, int segment_id) {
xd->segment_feature_data[segment_id][SEG_LVL_REF_FRAME] = 0;
}
void vp9_set_segref(MACROBLOCKD *xd,
int segment_id,
MV_REFERENCE_FRAME ref_frame) {
xd->segment_feature_data[segment_id][SEG_LVL_REF_FRAME] |=
(1 << ref_frame);
}
int vp9_check_segref(const MACROBLOCKD *xd,
int segment_id,
MV_REFERENCE_FRAME ref_frame) {
return (xd->segment_feature_data[segment_id][SEG_LVL_REF_FRAME] &
(1 << ref_frame)) ? 1 : 0;
}
int vp9_check_segref_inter(MACROBLOCKD *xd, int segment_id) {
return (xd->segment_feature_data[segment_id][SEG_LVL_REF_FRAME] &
~(1 << INTRA_FRAME)) ? 1 : 0;
}
int vp9_get_seg_tx_type(MACROBLOCKD *xd, int segment_id) {
if (vp9_segfeature_active(xd, segment_id, SEG_LVL_TRANSFORM))
return vp9_get_segdata(xd, segment_id, SEG_LVL_TRANSFORM);
else
return TX_4X4;
}
// TBD? Functions to read and write segment data with range / validity checking