vpx/vp8/common/filter.h
Deb Mukherjee ef8ade138d Adjusting 8-tap filter + prelim edge pixel filter code.
Results with the new filter coefficients compared with the previous
versions are here:
http://www.corp.google.com/~debargha/vp8_results/enhinterp.html (derf)
http://www.corp.google.com/~debargha/vp8_results/enhinterp_hd.html (HD)
Overall, the derf set improves by 0.94% with 8-tap filters while
the HD set improves by 0.58%.

Patch 1: resolving merge conflict

Change-Id: I09db0abdab7b08bb19f86d911de23d2123309748
2012-02-15 16:50:18 -08:00

33 lines
972 B
C

/*
* Copyright (c) 2011 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.
*/
#ifndef FILTER_H
#define FILTER_H
#include "vpx_config.h"
#include "vpx_scale/yv12config.h"
#define BLOCK_HEIGHT_WIDTH 4
#define VP8_FILTER_WEIGHT 128
#define VP8_FILTER_SHIFT 7
/* whether to use a special filter for edge pixels */
#define EDGE_PIXEL_FILTER 0
extern const short vp8_bilinear_filters[8][2];
extern const short vp8_sub_pel_filters[8][INTERP_EXTEND*2];
#if EDGE_PIXEL_FILTER > 0
#define EDGE_PIXEL_FILTER_EXTEND 2
extern const short vp8_sub_pel_filters_ns[64][4*EDGE_PIXEL_FILTER_EXTEND*EDGE_PIXEL_FILTER_EXTEND];
#endif
#endif //FILTER_H