a9df4183a6
Initial attempt at using new segment feature signaling to indicate 4x4 or 8x8 transform. needs --enable-experimental --enable-t8x8 Note this is work in progress. Change-Id: Ib160d46a5d810307bfcbc79853ce1a65b5b870b7
118 lines
3.6 KiB
C
118 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"
|
|
|
|
//#if CONFIG_SEGFEATURES
|
|
const int segfeaturedata_signed[SEG_LVL_MAX] = {1, 1, 0, 0, 0, 0};
|
|
const int vp8_seg_feature_data_bits[SEG_LVL_MAX] = {7, 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 segfeature_active( 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 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 enable_segfeature( MACROBLOCKD *xd,
|
|
int segment_id,
|
|
SEG_LVL_FEATURES feature_id )
|
|
{
|
|
xd->segment_feature_mask[segment_id] |= (0x01 << feature_id);
|
|
}
|
|
void disable_segfeature( MACROBLOCKD *xd,
|
|
int segment_id,
|
|
SEG_LVL_FEATURES feature_id )
|
|
{
|
|
xd->segment_feature_mask[segment_id] &= ~(1 << feature_id);
|
|
}
|
|
|
|
int seg_feature_data_bits( SEG_LVL_FEATURES feature_id )
|
|
{
|
|
return vp8_seg_feature_data_bits[feature_id];
|
|
}
|
|
|
|
int is_segfeature_signed( SEG_LVL_FEATURES feature_id )
|
|
{
|
|
return ( segfeaturedata_signed[feature_id] );
|
|
}
|
|
|
|
void clear_segdata( MACROBLOCKD *xd,
|
|
int segment_id,
|
|
SEG_LVL_FEATURES feature_id)
|
|
{
|
|
xd->segment_feature_data[segment_id][feature_id] = 0;
|
|
}
|
|
|
|
void 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 get_segdata( MACROBLOCKD *xd,
|
|
int segment_id,
|
|
SEG_LVL_FEATURES feature_id )
|
|
{
|
|
return xd->segment_feature_data[segment_id][feature_id];
|
|
}
|
|
|
|
void clear_segref( MACROBLOCKD *xd, int segment_id )
|
|
{
|
|
xd->segment_feature_data[segment_id][SEG_LVL_REF_FRAME] = 0;
|
|
}
|
|
|
|
void 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 check_segref( 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 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 get_seg_tx_type(MACROBLOCKD *xd, int segment_id)
|
|
{
|
|
if ( segfeature_active(xd, segment_id, SEG_LVL_TRANSFORM) )
|
|
return get_segdata(xd, segment_id, SEG_LVL_TRANSFORM);
|
|
else
|
|
return TX_4X4;
|
|
}
|
|
// TBD? Functions to read and write segment data with range / validity checking
|