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vpx/vp8/common/filter.c
Deb Mukherjee 18e90d744e Supporting high precision 1/8-pel motion vectors 
This is the initial patch for supporting 1/8th pel
motion. Currently if we configure with enable-high-precision-mv,
all motion vectors would default to 1/8 pel. Encode and
decode syncs fine with the current code. In the next phase
the code will be refactored so that we can choose the 1/8
pel mode adaptively at a frame/segment/mb level.

Derf results:
http://www.corp.google.com/~debargha/vp8_results/enhinterp_hpmv.html
(about 0.83% better than 8-tap interpoaltion)

Patch 3: Rebased. Also adding 1/16th pel interpolation for U and V

Patch 4: HD results.
http://www.corp.google.com/~debargha/vp8_results/enhinterp_hd_hpmv.html
Seems impressive (unless I am doing something wrong).

Patch 5: Added mmx/sse for bilateral filtering, as well as enforced
use of c-versions of subpel filters with 8-taps and 1/16th pel;
Also redesigned the 8-tap filters to reduce the cut-off in order to
introduce a denoising effect. There is a new configure option
sixteenth-subpel-uv which will use 1/16 th pel interpolation for
uv, if the motion vectors have 1/8 pel accuracy.

With the fixes the results are promising on the derf set. The enhanced
interpolation option with 8-taps alone gives 3% improvement over thei
derf set:
http://www.corp.google.com/~debargha/vp8_results/enhinterpn.html

Results on high precision mv and on the hd set are to follow.

Patch 6: Adding a missing condition for CONFIG_SIXTEENTH_SUBPEL_UV in
vp8/common/x86/x86_systemdependent.c

Patch 7: Cleaning up various debug messages.

Patch 8: Merge conflict

Change-Id: I5b1d844457aefd7414a9e4e0e06c6ed38fd8cc04
2012-02-23 09:25:21 -08:00

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/*
* 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 <stdlib.h>
#include "filter.h"
#include "vpx_ports/mem.h"
//#define ANNOUNCE_FUNCTION
DECLARE_ALIGNED(16, const short, vp8_bilinear_filters[SUBPEL_SHIFTS][2]) =
{
#if SUBPEL_SHIFTS==16
{ 128, 0 },
{ 120, 8 },
{ 112, 16 },
{ 104, 24 },
{ 96, 32 },
{ 88, 40 },
{ 80, 48 },
{ 72, 56 },
{ 64, 64 },
{ 56, 72 },
{ 48, 80 },
{ 40, 88 },
{ 32, 96 },
{ 24, 104 },
{ 16, 112 },
{ 8, 120 }
#else
{ 128, 0 },
{ 112, 16 },
{ 96, 32 },
{ 80, 48 },
{ 64, 64 },
{ 48, 80 },
{ 32, 96 },
{ 16, 112 }
#endif /* SUBPEL_SHIFTS==16 */
};
#if CONFIG_ENHANCED_INTERP
#define FILTER_ALPHA 65
DECLARE_ALIGNED(16, const short, vp8_sub_pel_filters[SUBPEL_SHIFTS][2*INTERP_EXTEND]) =
{
/* Generated using MATLAB:
* alpha = 0.875;
* b=intfilt(8,4,alpha);
* bi=round(128*b);
* ba=flipud(reshape([bi 0], 8, 8));
* % Now normalize the powers of the polyphase components
* disp(num2str(ba, '%d,'))
*/
#if SUBPEL_SHIFTS==16
#if FILTER_ALPHA == 80
/* alpha = 0.80 */
{ 0, 0, 0, 128, 0, 0, 0, 0},
{-1, 2, -6, 127, 9, -4, 2, -1},
{-2, 5, -12, 124, 18, -7, 4, -2},
{-2, 7, -16, 119, 28, -11, 5, -2},
{-3, 8, -19, 114, 38, -14, 7, -3},
{-3, 9, -22, 107, 49, -17, 8, -3},
{-4, 10, -23, 99, 60, -20, 10, -4},
{-4, 11, -23, 90, 70, -22, 10, -4},
{-4, 11, -23, 80, 80, -23, 11, -4},
{-4, 10, -22, 70, 90, -23, 11, -4},
{-4, 10, -20, 60, 99, -23, 10, -4},
{-3, 8, -17, 49, 107, -22, 9, -3},
{-3, 7, -14, 38, 114, -19, 8, -3},
{-2, 5, -11, 28, 119, -16, 7, -2},
{-2, 4, -7, 18, 124, -12, 5, -2},
{-1, 2, -4, 9, 127, -6, 2, -1}
#elif FILTER_ALPHA == 75
/* alpha = 0.75 */
{ 0, 0, 0, 128, 0, 0, 0, 0},
{-1, 2, -6, 126, 9, -3, 2, -1},
{-1, 4, -11, 123, 18, -7, 3, -1},
{-2, 6, -16, 119, 28, -10, 5, -2},
{-2, 7, -19, 113, 38, -13, 6, -2},
{-3, 8, -21, 106, 49, -16, 7, -2},
{-3, 9, -22, 99, 59, -19, 8, -3},
{-3, 9, -23, 90, 70, -21, 9, -3},
{-3, 9, -22, 80, 80, -22, 9, -3},
{-3, 9, -21, 70, 90, -23, 9, -3},
{-3, 8, -19, 59, 99, -22, 9, -3},
{-2, 7, -16, 49, 106, -21, 8, -3},
{-2, 6, -13, 38, 113, -19, 7, -2},
{-2, 5, -10, 28, 119, -16, 6, -2},
{-1, 3, -7, 18, 123, -11, 4, -1},
{-1, 2, -3, 9, 126, -6, 2, -1}
#elif FILTER_ALPHA == 70
/* alpha = 0.70 */
{ 0, 0, 0, 128, 0, 0, 0, 0},
{ 0, 2, -6, 126, 8, -3, 1, 0},
{-1, 4, -11, 123, 18, -7, 3, -1},
{-1, 5, -15, 119, 27, -10, 4, -1},
{-2, 6, -18, 113, 38, -13, 5, -1},
{-2, 7, -20, 106, 49, -16, 6, -2},
{-2, 8, -22, 98, 59, -18, 7, -2},
{-2, 8, -22, 89, 69, -20, 8, -2},
{-2, 8, -21, 79, 79, -21, 8, -2},
{-2, 8, -20, 69, 89, -22, 8, -2},
{-2, 7, -18, 59, 98, -22, 8, -2},
{-2, 6, -16, 49, 106, -20, 7, -2},
{-1, 5, -13, 38, 113, -18, 6, -2},
{-1, 4, -10, 27, 119, -15, 5, -1},
{-1, 3, -7, 18, 123, -11, 4, -1},
{ 0, 1, -3, 8, 126, -6, 2, 0}
#elif FILTER_ALPHA == 65
/* alpha = 0.65 */
{ 0, 0, 0, 128, 0, 0, 0, 0},
{ 0, 2, -6, 126, 8, -3, 1, 0},
{-1, 3, -10, 123, 18, -6, 2, -1},
{-1, 5, -14, 118, 27, -10, 4, -1},
{-1, 5, -17, 112, 38, -13, 5, -1},
{-2, 6, -19, 106, 48, -15, 5, -1},
{-2, 7, -21, 98, 59, -17, 6, -2},
{-2, 7, -21, 89, 69, -19, 7, -2},
{-2, 7, -20, 79, 79, -20, 7, -2},
{-2, 7, -19, 69, 89, -21, 7, -2},
{-2, 6, -17, 59, 98, -21, 7, -2},
{-1, 5, -15, 48, 106, -19, 6, -2},
{-1, 5, -13, 38, 112, -17, 5, -1},
{-1, 4, -10, 27, 118, -14, 5, -1},
{-1, 2, -6, 18, 123, -10, 3, -1},
{0, 1, -3, 8, 126, -6, 2, 0}
#elif FILTER_ALPHA == 60
/* alpha = 0.60 */
{ 0, 0, 0, 128, 0, 0, 0, 0},
{ 0, 2, -6, 126, 8, -3, 1, 0},
{-1, 3, -10, 123, 18, -6, 2, -1},
{-1, 4, -14, 118, 28, -9, 3, -1},
{-1, 5, -17, 112, 38, -12, 4, -1},
{-1, 6, -19, 105, 48, -15, 5, -1},
{-1, 6, -20, 97, 58, -17, 6, -1},
{-1, 6, -20, 88, 69, -19, 6, -1},
{-1, 6, -20, 79, 79, -20, 6, -1},
{-1, 6, -19, 69, 88, -20, 6, -1},
{-1, 6, -17, 58, 97, -20, 6, -1},
{-1, 5, -15, 48, 105, -19, 6, -1},
{-1, 4, -12, 38, 112, -17, 5, -1},
{-1, 3, -9, 28, 118, -14, 4, -1},
{-1, 2, -6, 18, 123, -10, 3, -1},
{0, 1, -3, 8, 126, -6, 2, 0}
#endif /* FILTER_ALPHA */
#else /* SUBPEL_SHIFTS==16 */
#if FILTER_ALPHA == 80
/* alpha = 0.80 */
{ 0, 0, 0, 128, 0, 0, 0, 0},
{-2, 5, -12, 124, 18, -7, 4, -2},
{-3, 8, -19, 114, 38, -14, 7, -3},
{-4, 10, -23, 99, 60, -20, 10, -4},
{-4, 11, -23, 80, 80, -23, 11, -4},
{-4, 10, -20, 60, 99, -23, 10, -4},
{-3, 7, -14, 38, 114, -19, 8, -3},
{-2, 4, -7, 18, 124, -12, 5, -2}
#elif FILTER_ALPHA == 75
/* alpha = 0.75 */
{ 0, 0, 0, 128, 0, 0, 0, 0},
{-1, 4, -11, 123, 18, -7, 3, -1},
{-2, 7, -19, 113, 38, -13, 6, -2},
{-3, 9, -22, 99, 59, -19, 8, -3},
{-3, 9, -22, 80, 80, -22, 9, -3},
{-3, 8, -19, 59, 99, -22, 9, -3},
{-2, 6, -13, 38, 113, -19, 7, -2},
{-1, 3, -7, 18, 123, -11, 4, -1}
#elif FILTER_ALPHA == 70
/* alpha = 0.70 */
{ 0, 0, 0, 128, 0, 0, 0, 0},
{-1, 4, -11, 123, 18, -7, 3, -1},
{-2, 6, -18, 113, 38, -13, 5, -1},
{-2, 8, -22, 98, 59, -18, 7, -2},
{-2, 8, -21, 79, 79, -21, 8, -2},
{-2, 7, -18, 59, 98, -22, 8, -2},
{-1, 5, -13, 38, 113, -18, 6, -2},
{-1, 3, -7, 18, 123, -11, 4, -1}
#elif FILTER_ALPHA == 65
/* alpha = 0.65 */
{ 0, 0, 0, 128, 0, 0, 0, 0},
{-1, 3, -10, 123, 18, -6, 2, -1},
{-1, 5, -17, 112, 38, -13, 5, -1},
{-2, 7, -21, 98, 59, -17, 6, -2},
{-2, 7, -20, 79, 79, -20, 7, -2},
{-2, 6, -17, 59, 98, -21, 7, -2},
{-1, 5, -13, 38, 112, -17, 5, -1},
{-1, 2, -6, 18, 123, -10, 3, -1}
#elif FILTER_ALPHA == 60
/* alpha = 0.60 */
{ 0, 0, 0, 128, 0, 0, 0, 0},
{-1, 3, -10, 123, 18, -6, 2, -1},
{-1, 5, -17, 112, 38, -12, 4, -1},
{-1, 6, -20, 97, 58, -17, 6, -1},
{-1, 6, -20, 79, 79, -20, 6, -1},
{-1, 6, -17, 58, 97, -20, 6, -1},
{-1, 4, -12, 38, 112, -17, 5, -1},
{-1, 2, -6, 18, 123, -10, 3, -1}
#endif /* FILTER_ALPHA */
#endif /* SUBPEL_SHIFTS==16 */
};
#if EDGE_PIXEL_FILTER > 0
#define EDGE_SIMPLE_THRESH 128
#define EDGE_GRAD_THRESH 128
#define EDGE_GRADS2X2_THRESH 4
/* TODO: Refine these filters */
DECLARE_ALIGNED(16, const short, vp8_sub_pel_filters_ns[SUBPEL_SHIFTS*SUBPEL_SHIFTS][4*EDGE_PIXEL_FILTER_EXTEND*EDGE_PIXEL_FILTER_EXTEND]) =
{
#if SUBPEL_SHIFTS==16
#if EDGE_PIXEL_FILTER_EXTEND == 2
{0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 1, 0, 0, -7, 128, 9, -3, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 1, 1, 1, -13, 125, 18, -7, 0, 1, 1, 0, 0, 0, 0, 0},
{0, 1, 1, 1, -18, 121, 28, -11, 0, 1, 1, 1, 1, 1, 0, 0},
{0, 1, 1, 1, -22, 116, 39, -15, 0, 1, 1, 1, 1, 1, 1, 1},
{1, 1, 1, 1, -24, 109, 50, -19, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 1, 1, 1, -25, 101, 61, -21, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 1, 1, 1, -25, 92, 72, -23, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 1, 1, 1, -25, 83, 83, -25, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 1, 1, 1, -23, 72, 92, -25, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 1, 1, 1, -21, 61, 101, -25, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 1, 1, 1, -19, 50, 109, -24, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 1, 1, 0, -15, 39, 116, -22, 1, 1, 1, 0, 1, 1, 1, 1},
{1, 1, 1, 0, -11, 28, 121, -18, 1, 1, 1, 0, 1, 1, 0, 0},
{1, 1, 1, 0, -7, 18, 125, -13, 0, 1, 1, 0, 0, 0, 0, 0},
{0, 0, 1, 0, -3, 9, 128, -7, 0, 0, 0, 0, 0, 0, 0, 0},
{0, -7, 0, 0, 1, 128, 0, 0, 0, 9, 0, 0, 0, -3, 0, 0},
{0, -7, -1, 0, -7, 126, 8, 0, 0, 8, 1, 0, 0, 0, 0, 0},
{1, -7, -1, 1, -13, 124, 18, -7, 0, 9, 2, 1, 0, 0, 0, 0},
{2, -6, -1, 1, -18, 120, 28, -11, -1, 8, 2, 1, 1, 1, 1, 0},
{2, -6, -1, 1, -22, 115, 39, -15, -1, 8, 3, 1, 1, 1, 1, 1},
{2, -5, -2, 1, -24, 109, 50, -18, -1, 8, 4, 0, 1, 1, 1, 1},
{3, -5, -2, 1, -25, 101, 60, -21, -1, 8, 5, 0, 1, 1, 1, 1},
{3, -4, -3, 3, -26, 92, 71, -23, -1, 7, 6, -1, 1, 1, 1, 1},
{3, -3, -3, 3, -25, 82, 82, -25, -1, 6, 6, -1, 1, 1, 1, 1},
{3, -3, -4, 3, -23, 71, 92, -26, -1, 6, 7, -1, 1, 1, 1, 1},
{1, -2, -5, 3, -21, 60, 101, -25, 0, 5, 8, -1, 1, 1, 1, 1},
{1, -2, -5, 2, -18, 50, 109, -24, 0, 4, 8, -1, 1, 1, 1, 1},
{1, -1, -6, 2, -15, 39, 115, -22, 1, 3, 8, -1, 1, 1, 1, 1},
{1, -1, -6, 2, -11, 28, 120, -18, 1, 2, 8, -1, 1, 1, 1, 0},
{1, -1, -7, 1, -7, 18, 124, -13, 1, 2, 9, 0, 0, 0, 0, 0},
{0, -1, -7, 0, 0, 8, 126, -7, 0, 1, 8, 0, 0, 0, 0, 0},
{0, -13, 0, 1, 1, 125, 1, 0, 1, 18, 1, 0, 0, -7, 0, 0},
{1, -13, 0, 1, -7, 124, 9, 1, -1, 18, 2, 0, 0, -7, 0, 0},
{2, -12, -1, 1, -12, 122, 18, -7, -1, 18, 3, 1, 1, -7, 1, 1},
{3, -12, -2, 1, -17, 119, 28, -11, -2, 18, 5, 1, 1, -6, 1, 1},
{4, -11, -3, 1, -21, 114, 38, -14, -2, 17, 7, 1, 1, -6, 1, 1},
{4, -10, -4, 2, -23, 107, 49, -17, -2, 16, 8, -1, 2, -5, 1, 1},
{4, -9, -5, 2, -24, 99, 60, -20, -2, 15, 10, -2, 2, -5, 2, 1},
{4, -8, -6, 4, -25, 90, 70, -22, -2, 14, 11, -2, 2, -4, 1, 1},
{4, -8, -8, 4, -24, 80, 80, -24, -2, 12, 12, -2, 1, 1, 1, 1},
{4, -6, -8, 4, -22, 70, 90, -25, -2, 11, 14, -2, 2, 1, -4, 1},
{2, -5, -9, 4, -20, 60, 99, -24, -2, 10, 15, -2, 2, 2, -5, 1},
{2, -4, -10, 4, -17, 49, 107, -23, -1, 8, 16, -2, 2, 1, -5, 1},
{1, -3, -11, 4, -14, 38, 114, -21, 1, 7, 17, -2, 1, 1, -6, 1},
{1, -2, -12, 3, -11, 28, 119, -17, 1, 5, 18, -2, 1, 1, -6, 1},
{1, -1, -12, 2, -7, 18, 122, -12, 1, 3, 18, -1, 1, 1, -7, 1},
{1, 0, -13, 1, 1, 9, 124, -7, 0, 2, 18, -1, 0, 0, -7, 0},
{0, -18, 0, 1, 1, 121, 1, 1, 1, 28, 1, 1, 1, -11, 0, 0},
{2, -18, -1, 1, -6, 120, 8, 1, -1, 28, 2, 1, 1, -11, 1, 0},
{3, -17, -2, 1, -12, 119, 18, -6, -2, 28, 5, 1, 1, -11, 1, 1},
{4, -16, -3, 2, -16, 115, 27, -10, -3, 27, 7, 1, 1, -10, 1, 1},
{5, -15, -4, 2, -20, 110, 37, -13, -3, 26, 10, -2, 2, -9, 1, 1},
{5, -14, -6, 2, -22, 104, 48, -17, -4, 25, 12, -3, 2, -8, 2, 2},
{6, -12, -7, 2, -23, 96, 59, -19, -4, 24, 15, -3, 2, -7, -3, 2},
{6, -11, -8, 2, -23, 88, 69, -21, -4, 22, 17, -3, 2, -6, -4, 2},
{6, -10, -10, 6, -23, 79, 79, -23, -4, 19, 19, -4, 2, -5, -5, 2},
{2, -8, -11, 6, -21, 69, 88, -23, -3, 17, 22, -4, 2, -4, -6, 2},
{2, -7, -12, 6, -19, 59, 96, -23, -3, 15, 24, -4, 2, -3, -7, 2},
{2, -6, -14, 5, -17, 48, 104, -22, -3, 12, 25, -4, 2, 2, -8, 2},
{2, -4, -15, 5, -13, 37, 110, -20, -2, 10, 26, -3, 2, 1, -9, 1},
{2, -3, -16, 4, -10, 27, 115, -16, 1, 7, 27, -3, 1, 1, -10, 1},
{1, -2, -17, 3, -6, 18, 119, -12, 1, 5, 28, -2, 1, 1, -11, 1},
{1, -1, -18, 2, 1, 8, 120, -6, 1, 2, 28, -1, 1, 1, -11, 0},
{0, -22, 0, 1, 1, 116, 1, 1, 1, 39, 1, 1, 1, -15, 1, 1},
{2, -22, -1, 1, -6, 115, 8, 1, -1, 39, 3, 1, 1, -15, 1, 1},
{4, -21, -2, 1, -11, 114, 17, -6, -3, 38, 7, 1, 1, -14, 1, 1},
{5, -20, -3, 2, -15, 110, 26, -9, -4, 37, 10, 2, 1, -13, -2, 1},
{6, -18, -5, 2, -18, 106, 36, -12, -5, 36, 13, -2, 2, -12, -3, 2},
{7, -17, -6, 2, -20, 100, 46, -15, -5, 34, 17, -4, 2, -11, -4, 2},
{7, -15, -8, 2, -21, 93, 56, -18, -5, 32, 20, -4, 2, -10, -5, 2},
{7, -13, -10, 3, -22, 84, 66, -20, -5, 30, 24, -5, 2, -9, -6, 2},
{3, -12, -12, 3, -21, 76, 76, -21, -5, 27, 27, -5, 3, -7, -7, 3},
{3, -10, -13, 7, -20, 66, 84, -22, -5, 24, 30, -5, 2, -6, -9, 2},
{2, -8, -15, 7, -18, 56, 93, -21, -4, 20, 32, -5, 2, -5, -10, 2},
{2, -6, -17, 7, -15, 46, 100, -20, -4, 17, 34, -5, 2, -4, -11, 2},
{2, -5, -18, 6, -12, 36, 106, -18, -2, 13, 36, -5, 2, -3, -12, 2},
{2, -3, -20, 5, -9, 26, 110, -15, 2, 10, 37, -4, 1, -2, -13, 1},
{1, -2, -21, 4, -6, 17, 114, -11, 1, 7, 38, -3, 1, 1, -14, 1},
{1, -1, -22, 2, 1, 8, 115, -6, 1, 3, 39, -1, 1, 1, -15, 1},
{1, -24, 1, 1, 1, 109, 1, 1, 1, 50, 1, 1, 1, -19, 1, 1},
{2, -24, -1, 1, -5, 109, 8, 1, -2, 50, 4, 1, 1, -18, 0, 1},
{4, -23, -2, 2, -10, 107, 16, -5, -4, 49, 8, 2, 1, -17, -1, 1},
{5, -22, -4, 2, -14, 104, 25, -8, -6, 48, 12, 2, 2, -17, -3, 2},
{7, -20, -5, 2, -17, 100, 34, -11, -6, 46, 17, -4, 2, -15, -4, 2},
{7, -19, -7, 3, -19, 94, 44, -14, -7, 44, 21, -5, 3, -14, -5, 2},
{8, -17, -9, 3, -20, 87, 53, -16, -8, 41, 25, -6, 3, -12, -6, 2},
{3, -15, -11, 3, -20, 80, 63, -18, -7, 38, 30, -6, 3, -11, -7, 3},
{3, -13, -13, 3, -19, 72, 72, -19, -7, 34, 34, -7, 3, -9, -9, 3},
{3, -11, -15, 3, -18, 63, 80, -20, -6, 30, 38, -7, 3, -7, -11, 3},
{3, -9, -17, 8, -16, 53, 87, -20, -6, 25, 41, -8, 3, -6, -12, 2},
{3, -7, -19, 7, -14, 44, 94, -19, -5, 21, 44, -7, 3, -5, -14, 2},
{2, -5, -20, 7, -11, 34, 100, -17, -4, 17, 46, -6, 2, -4, -15, 2},
{2, -4, -22, 5, -8, 25, 104, -14, 2, 12, 48, -6, 2, -3, -17, 2},
{2, -2, -23, 4, -5, 16, 107, -10, 2, 8, 49, -4, 1, -1, -17, 1},
{1, -1, -24, 2, 1, 8, 109, -5, 1, 4, 50, -2, 1, 0, -18, 1},
{1, -25, 1, 1, 1, 101, 1, 1, 1, 61, 1, 1, 1, -21, 1, 1},
{3, -25, -1, 1, -5, 101, 8, 1, -2, 60, 5, 1, 1, -21, 0, 1},
{4, -24, -2, 2, -9, 99, 15, -5, -5, 60, 10, 2, 2, -20, -2, 1},
{6, -23, -4, 2, -12, 96, 24, -7, -7, 59, 15, -3, 2, -19, -3, 2},
{7, -21, -5, 2, -15, 93, 32, -10, -8, 56, 20, -5, 2, -18, -4, 2},
{8, -20, -8, 3, -17, 87, 41, -12, -9, 53, 25, -6, 3, -16, -6, 2},
{3, -18, -9, 3, -18, 81, 50, -14, -9, 50, 31, -7, 3, -14, -7, 3},
{3, -16, -11, 3, -18, 75, 59, -16, -9, 46, 36, -8, 3, -13, -9, 3},
{3, -13, -13, 3, -17, 67, 67, -17, -9, 41, 41, -9, 3, -11, -11, 3},
{3, -11, -16, 3, -16, 59, 75, -18, -8, 36, 46, -9, 3, -9, -13, 3},
{3, -9, -18, 3, -14, 50, 81, -18, -7, 31, 50, -9, 3, -7, -14, 3},
{3, -8, -20, 8, -12, 41, 87, -17, -6, 25, 53, -9, 3, -6, -16, 2},
{2, -5, -21, 7, -10, 32, 93, -15, -5, 20, 56, -8, 2, -4, -18, 2},
{2, -4, -23, 6, -7, 24, 96, -12, -3, 15, 59, -7, 2, -3, -19, 2},
{2, -2, -24, 4, -5, 15, 99, -9, 2, 10, 60, -5, 2, -2, -20, 1},
{1, -1, -25, 3, 1, 8, 101, -5, 1, 5, 60, -2, 1, 0, -21, 1},
{1, -25, 1, 1, 1, 92, 1, 1, 1, 72, 1, 1, 1, -23, 1, 1},
{3, -26, -1, 1, -4, 92, 7, 1, -3, 71, 6, 1, 3, -23, -1, 1},
{4, -25, -2, 2, -8, 90, 14, -4, -6, 70, 11, 1, 4, -22, -2, 1},
{6, -23, -4, 2, -11, 88, 22, -6, -8, 69, 17, -4, 2, -21, -3, 2},
{7, -22, -5, 3, -13, 84, 30, -9, -10, 66, 24, -6, 2, -20, -5, 2},
{3, -20, -7, 3, -15, 80, 38, -11, -11, 63, 30, -7, 3, -18, -6, 3},
{3, -18, -9, 3, -16, 75, 46, -13, -11, 59, 36, -9, 3, -16, -8, 3},
{3, -16, -11, 3, -16, 68, 54, -14, -11, 54, 42, -10, 3, -14, -10, 3},
{4, -14, -14, 4, -15, 61, 61, -15, -11, 48, 48, -11, 3, -12, -12, 3},
{3, -11, -16, 3, -14, 54, 68, -16, -10, 42, 54, -11, 3, -10, -14, 3},
{3, -9, -18, 3, -13, 46, 75, -16, -9, 36, 59, -11, 3, -8, -16, 3},
{3, -7, -20, 3, -11, 38, 80, -15, -7, 30, 63, -11, 3, -6, -18, 3},
{3, -5, -22, 7, -9, 30, 84, -13, -6, 24, 66, -10, 2, -5, -20, 2},
{2, -4, -23, 6, -6, 22, 88, -11, -4, 17, 69, -8, 2, -3, -21, 2},
{2, -2, -25, 4, -4, 14, 90, -8, 1, 11, 70, -6, 1, -2, -22, 4},
{1, -1, -26, 3, 1, 7, 92, -4, 1, 6, 71, -3, 1, -1, -23, 3},
{1, -25, 1, 1, 1, 83, 1, 1, 1, 83, 1, 1, 1, -25, 1, 1},
{3, -25, -1, 1, -3, 82, 6, 1, -3, 82, 6, 1, 3, -25, -1, 1},
{4, -24, -2, 1, -8, 80, 12, 1, -8, 80, 12, 1, 4, -24, -2, 1},
{6, -23, -4, 2, -10, 79, 19, -5, -10, 79, 19, -5, 6, -23, -4, 2},
{3, -21, -5, 3, -12, 76, 27, -7, -12, 76, 27, -7, 3, -21, -5, 3},
{3, -19, -7, 3, -13, 72, 34, -9, -13, 72, 34, -9, 3, -19, -7, 3},
{3, -17, -9, 3, -13, 67, 41, -11, -13, 67, 41, -11, 3, -17, -9, 3},
{4, -15, -11, 4, -14, 61, 48, -12, -14, 61, 48, -12, 3, -15, -11, 3},
{3, -13, -13, 3, -13, 55, 55, -13, -13, 55, 55, -13, 3, -13, -13, 3},
{4, -11, -15, 4, -12, 48, 61, -14, -12, 48, 61, -14, 3, -11, -15, 3},
{3, -9, -17, 3, -11, 41, 67, -13, -11, 41, 67, -13, 3, -9, -17, 3},
{3, -7, -19, 3, -9, 34, 72, -13, -9, 34, 72, -13, 3, -7, -19, 3},
{3, -5, -21, 3, -7, 27, 76, -12, -7, 27, 76, -12, 3, -5, -21, 3},
{2, -4, -23, 6, -5, 19, 79, -10, -5, 19, 79, -10, 2, -4, -23, 6},
{1, -2, -24, 4, 1, 12, 80, -8, 1, 12, 80, -8, 1, -2, -24, 4},
{1, -1, -25, 3, 1, 6, 82, -3, 1, 6, 82, -3, 1, -1, -25, 3},
{1, -23, 1, 1, 1, 72, 1, 1, 1, 92, 1, 1, 1, -25, 1, 1},
{3, -23, -1, 1, -3, 71, 6, 1, -4, 92, 7, 1, 3, -26, -1, 1},
{4, -22, -2, 2, -6, 70, 11, 1, -8, 90, 14, -4, 4, -25, -2, 1},
{2, -21, -3, 2, -8, 69, 17, -4, -11, 88, 22, -6, 6, -23, -4, 2},
{3, -20, -5, 2, -10, 66, 24, -6, -13, 84, 30, -9, 7, -22, -5, 2},
{3, -18, -6, 3, -11, 63, 30, -7, -15, 80, 38, -11, 3, -20, -7, 3},
{3, -16, -8, 3, -11, 59, 36, -9, -16, 75, 46, -13, 3, -18, -9, 3},
{3, -14, -10, 3, -11, 54, 42, -10, -16, 68, 54, -14, 3, -16, -11, 3},
{4, -12, -12, 4, -11, 48, 48, -11, -15, 61, 61, -15, 3, -14, -14, 3},
{3, -10, -14, 3, -10, 42, 54, -11, -14, 54, 68, -16, 3, -11, -16, 3},
{3, -8, -16, 3, -9, 36, 59, -11, -13, 46, 75, -16, 3, -9, -18, 3},
{3, -6, -18, 3, -7, 30, 63, -11, -11, 38, 80, -15, 3, -7, -20, 3},
{3, -5, -20, 2, -6, 24, 66, -10, -9, 30, 84, -13, 2, -5, -22, 7},
{2, -3, -21, 2, -4, 17, 69, -8, -6, 22, 88, -11, 2, -4, -23, 6},
{2, -2, -22, 4, 1, 11, 70, -6, -4, 14, 90, -8, 1, -2, -25, 4},
{1, -1, -23, 3, 1, 6, 71, -3, 1, 7, 92, -4, 1, -1, -26, 3},
{1, -21, 1, 1, 1, 61, 1, 1, 1, 101, 1, 1, 1, -25, 1, 1},
{1, -21, 0, 1, -2, 60, 5, 1, -5, 101, 8, 1, 3, -25, -1, 1},
{2, -20, -2, 2, -5, 60, 10, 2, -9, 99, 15, -5, 4, -24, -2, 1},
{2, -19, -3, 2, -7, 59, 15, -3, -12, 96, 24, -7, 6, -23, -4, 2},
{2, -18, -4, 2, -8, 56, 20, -5, -15, 93, 32, -10, 7, -21, -5, 2},
{3, -16, -6, 3, -9, 53, 25, -6, -17, 87, 41, -12, 8, -20, -8, 2},
{3, -14, -7, 3, -9, 50, 31, -7, -18, 81, 50, -14, 3, -18, -9, 3},
{3, -13, -9, 3, -9, 46, 36, -8, -18, 75, 59, -16, 3, -16, -11, 3},
{3, -11, -11, 3, -9, 41, 41, -9, -17, 67, 67, -17, 3, -13, -13, 3},
{3, -9, -13, 3, -8, 36, 46, -9, -16, 59, 75, -18, 3, -11, -16, 3},
{3, -7, -14, 3, -7, 31, 50, -9, -14, 50, 81, -18, 3, -9, -18, 3},
{3, -6, -16, 3, -6, 25, 53, -9, -12, 41, 87, -17, 2, -8, -20, 8},
{2, -4, -18, 2, -5, 20, 56, -8, -10, 32, 93, -15, 2, -5, -21, 7},
{2, -3, -19, 2, -3, 15, 59, -7, -7, 24, 96, -12, 2, -4, -23, 6},
{2, -2, -20, 2, 2, 10, 60, -5, -5, 15, 99, -9, 1, -2, -24, 4},
{1, 0, -21, 1, 1, 5, 60, -2, 1, 8, 101, -5, 1, -1, -25, 3},
{1, -19, 1, 1, 1, 50, 1, 1, 1, 109, 1, 1, 1, -24, 1, 1},
{1, -18, 0, 1, -2, 50, 4, 1, -5, 109, 8, 1, 2, -24, -1, 1},
{2, -17, -1, 2, -4, 49, 8, 1, -10, 107, 16, -5, 4, -23, -2, 1},
{2, -17, -3, 2, -6, 48, 12, 2, -14, 104, 25, -8, 5, -22, -4, 2},
{2, -15, -4, 2, -6, 46, 17, -4, -17, 100, 34, -11, 7, -20, -5, 2},
{3, -14, -5, 3, -7, 44, 21, -5, -19, 94, 44, -14, 7, -19, -7, 2},
{3, -12, -6, 3, -8, 41, 25, -6, -20, 87, 53, -16, 8, -17, -9, 2},
{3, -11, -7, 3, -7, 38, 30, -6, -20, 80, 63, -18, 3, -15, -11, 3},
{3, -9, -9, 3, -7, 34, 34, -7, -19, 72, 72, -19, 3, -13, -13, 3},
{3, -7, -11, 3, -6, 30, 38, -7, -18, 63, 80, -20, 3, -11, -15, 3},
{3, -6, -12, 3, -6, 25, 41, -8, -16, 53, 87, -20, 2, -9, -17, 8},
{3, -5, -14, 3, -5, 21, 44, -7, -14, 44, 94, -19, 2, -7, -19, 7},
{2, -4, -15, 2, -4, 17, 46, -6, -11, 34, 100, -17, 2, -5, -20, 7},
{2, -3, -17, 2, 2, 12, 48, -6, -8, 25, 104, -14, 2, -4, -22, 5},
{2, -1, -17, 2, 1, 8, 49, -4, -5, 16, 107, -10, 1, -2, -23, 4},
{1, 0, -18, 1, 1, 4, 50, -2, 1, 8, 109, -5, 1, -1, -24, 2},
{1, -15, 1, 1, 1, 39, 1, 1, 1, 116, 1, 1, 0, -22, 0, 1},
{1, -15, 1, 1, -1, 39, 3, 1, -6, 115, 8, 1, 2, -22, -1, 1},
{1, -14, 1, 1, -3, 38, 7, 1, -11, 114, 17, -6, 4, -21, -2, 1},
{2, -13, -2, 2, -4, 37, 10, 1, -15, 110, 26, -9, 5, -20, -3, 1},
{2, -12, -2, 2, -5, 36, 13, -3, -18, 106, 36, -12, 6, -18, -5, 2},
{2, -11, -4, 2, -5, 34, 17, -4, -20, 100, 46, -15, 7, -17, -6, 2},
{2, -10, -5, 2, -5, 32, 20, -4, -21, 93, 56, -18, 7, -15, -8, 2},
{3, -9, -6, 2, -5, 30, 24, -5, -22, 84, 66, -20, 7, -13, -10, 2},
{3, -7, -7, 3, -5, 27, 27, -5, -21, 76, 76, -21, 3, -12, -12, 3},
{3, -6, -9, 2, -5, 24, 30, -5, -20, 66, 84, -22, 2, -10, -13, 7},
{2, -5, -10, 2, -4, 20, 32, -5, -18, 56, 93, -21, 2, -8, -15, 7},
{2, -4, -11, 2, -4, 17, 34, -5, -15, 46, 100, -20, 2, -6, -17, 7},
{2, -2, -12, 2, -3, 13, 36, -5, -12, 36, 106, -18, 2, -5, -18, 6},
{2, -2, -13, 2, 1, 10, 37, -4, -9, 26, 110, -15, 1, -3, -20, 5},
{1, 1, -14, 1, 1, 7, 38, -3, -6, 17, 114, -11, 1, -2, -21, 4},
{1, 1, -15, 1, 1, 3, 39, -1, 1, 8, 115, -6, 1, -1, -22, 2},
{1, -11, 1, 1, 1, 28, 1, 1, 1, 121, 1, 0, 0, -18, 0, 0},
{1, -11, 1, 1, -1, 28, 2, 1, -6, 120, 8, 1, 2, -18, -1, 0},
{1, -11, 1, 1, -2, 28, 5, 1, -12, 119, 18, -6, 3, -17, -2, 1},
{2, -10, 1, 1, -3, 27, 7, 1, -16, 115, 27, -10, 4, -16, -3, 1},
{2, -9, 2, 1, -3, 26, 10, -2, -20, 110, 37, -13, 5, -15, -4, 1},
{2, -8, 2, 2, -4, 25, 12, -3, -22, 104, 48, -17, 5, -14, -6, 2},
{2, -7, -3, 2, -4, 24, 15, -3, -23, 96, 59, -19, 6, -12, -7, 2},
{2, -6, -4, 2, -4, 22, 17, -3, -23, 88, 69, -21, 6, -11, -8, 2},
{2, -5, -5, 2, -4, 19, 19, -4, -23, 79, 79, -23, 6, -10, -10, 6},
{2, -4, -6, 2, -3, 17, 22, -4, -21, 69, 88, -23, 2, -8, -11, 6},
{2, -3, -7, 2, -3, 15, 24, -4, -19, 59, 96, -23, 2, -7, -12, 6},
{2, 2, -8, 2, -3, 12, 25, -4, -17, 48, 104, -22, 2, -6, -14, 5},
{2, 2, -9, 1, -2, 10, 26, -3, -13, 37, 110, -20, 1, -4, -15, 5},
{2, 1, -10, 1, 1, 7, 27, -3, -10, 27, 115, -16, 1, -3, -16, 4},
{1, 1, -11, 1, 1, 5, 28, -2, -6, 18, 119, -12, 1, -2, -17, 3},
{1, 1, -11, 1, 1, 2, 28, -1, 1, 8, 120, -6, 0, -1, -18, 2},
{1, -7, 0, 0, 1, 18, 1, 0, 1, 125, 1, 0, 0, -13, 0, 0},
{1, -7, 1, 0, -1, 18, 2, 0, -7, 124, 9, 0, 1, -13, 0, 0},
{1, -7, 1, 1, -1, 18, 3, 1, -12, 122, 18, -7, 2, -12, -1, 1},
{1, -6, 1, 1, -2, 18, 5, 1, -17, 119, 28, -11, 3, -12, -2, 1},
{1, -6, 1, 1, -2, 17, 7, 1, -21, 114, 38, -14, 4, -11, -3, 1},
{2, -5, 2, 1, -2, 16, 8, -1, -23, 107, 49, -17, 4, -10, -4, 1},
{2, -5, 2, 2, -2, 15, 10, -2, -24, 99, 60, -20, 4, -9, -5, 1},
{2, -4, 1, 1, -2, 14, 11, -2, -25, 90, 70, -22, 4, -8, -6, 4},
{1, 1, 1, 1, -2, 12, 12, -2, -24, 80, 80, -24, 4, -8, -8, 4},
{2, 1, -4, 1, -2, 11, 14, -2, -22, 70, 90, -25, 4, -6, -8, 4},
{2, 2, -5, 2, -2, 10, 15, -2, -20, 60, 99, -24, 1, -5, -9, 4},
{2, 2, -5, 1, -1, 8, 16, -2, -17, 49, 107, -23, 1, -4, -10, 4},
{1, 1, -6, 1, 1, 7, 17, -2, -14, 38, 114, -21, 1, -3, -11, 4},
{1, 1, -6, 1, 1, 5, 18, -2, -11, 28, 119, -17, 1, -2, -12, 3},
{1, 1, -7, 1, 1, 3, 18, -1, -7, 18, 122, -12, 1, -1, -12, 2},
{1, 1, -7, 0, 0, 2, 18, -1, 0, 9, 124, -7, 0, 0, -13, 1},
{0, -3, 0, 0, 0, 9, 0, 0, 1, 128, 0, 0, 0, -7, 0, 0},
{0, 0, 0, 0, -1, 8, 1, 0, -7, 126, 8, 0, 0, -7, 0, 0},
{1, 1, 0, 0, 0, 9, 2, 0, -13, 124, 18, -7, 1, -7, -1, 0},
{1, 1, 1, 1, -1, 8, 2, 1, -18, 120, 28, -11, 2, -6, -1, 0},
{1, 1, 1, 1, -1, 8, 3, 1, -22, 115, 39, -15, 2, -6, -1, 1},
{1, 1, 1, 1, -1, 8, 4, 0, -24, 109, 50, -18, 2, -5, -2, 1},
{1, 1, 1, 1, -1, 8, 5, 0, -25, 101, 60, -21, 3, -5, -2, 1},
{1, 1, 1, 1, -1, 7, 6, -1, -26, 92, 71, -23, 3, -4, -3, 3},
{1, 1, 1, 1, -1, 6, 6, -1, -25, 82, 82, -25, 3, -3, -3, 3},
{1, 1, 1, 1, -1, 6, 7, -1, -23, 71, 92, -26, 3, -3, -4, 3},
{1, 1, 1, 1, 0, 5, 8, -1, -21, 60, 101, -25, 1, -2, -5, 3},
{1, 1, 1, 1, 0, 4, 8, -1, -18, 50, 109, -24, 1, -2, -5, 2},
{1, 1, 1, 1, 1, 3, 8, -1, -15, 39, 115, -22, 1, -1, -6, 2},
{1, 1, 1, 1, 1, 2, 8, -1, -11, 28, 120, -18, 0, -1, -6, 2},
{1, 1, 0, 0, 0, 2, 9, 0, -7, 18, 124, -13, 0, -1, -7, 1},
{0, 0, 0, 0, 0, 1, 8, -1, 0, 8, 126, -7, 0, 0, -7, 0}
#elif EDGE_PIXEL_FILTER_EXTEND == 3
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, -8, 127, 8, -4, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, -14, 124, 17, -9, 5, 0, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 10, -19, 120, 27, -13, 7, 0, 0, 0, 0, 0, 0, 0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, -1, -1, 0, 0, 0, -1, 0, 0, 0, 0, 12, -23, 115, 38, -17, 9, 0, -1, 0, 0, 0, 0, 0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, -1, -1, 0, 0, 0, -1, 0, 0, -1, 0, 14, -26, 108, 49, -20, 11, 0, -1, 0, 0, -1, 0, 0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0},
{-1, 0, -1, -1, 0, 0, 0, -1, 0, 0, -1, 0, 15, -28, 100, 60, -23, 13, 0, -1, 0, 0, -1, 0, 0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, -1, -1, 0, 0, 0, -1, 0, 0, -1, 0, 15, -28, 91, 70, -26, 14, 0, -1, 0, 0, -1, 0, 0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0},
{-1, 0, -1, -1, 0, -1, 0, -1, 0, 0, -1, 0, 15, -27, 81, 81, -27, 15, 0, -1, 0, 0, -1, 0, 0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, -1, -1, 0, 0, 0, -1, 0, 0, -1, 0, 14, -26, 70, 91, -28, 15, 0, -1, 0, 0, -1, 0, 0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0},
{-1, 0, -1, -1, 0, 0, 0, -1, 0, 0, -1, 0, 13, -23, 60, 100, -28, 15, 0, -1, 0, 0, -1, 0, 0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, -1, -1, 0, 0, 0, -1, 0, 0, -1, 0, 11, -20, 49, 108, -26, 14, 0, -1, 0, 0, -1, 0, 0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, -1, -1, 0, 0, 0, 0, 0, 0, -1, 0, 9, -17, 38, 115, -23, 12, 0, 0, 0, 0, -1, 0, 0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 7, -13, 27, 120, -19, 10, 0, 0, 0, 0, 0, 0, 0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0, 5, -9, 17, 124, -14, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, -4, 8, 127, -8, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
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{0, 0, 9, 0, 0, 0, 0, 0, -17, 0, 0, 0, -1, 0, 38, 0, -1, 0, -1, 0, 115, 0, -1, 0, 0, -1, -23, -1, 0, 0, 0, 0, 12, 0, 0, 0},
{0, 0, 10, 0, 0, 0, -1, 1, -16, -1, 0, 0, 1, -3, 38, 2, -2, 0, 3, -7, 114, 7, -4, 0, -1, 1, -23, -2, 0, 0, 0, -1, 12, 0, 0, 0},
{0, 0, 9, 1, 0, 0, -1, 1, -16, -3, 1, 0, 2, -5, 37, 5, -3, 0, 6, -13, 112, 15, -8, 4, -2, 2, -23, -4, 1, 0, 0, -2, 12, 1, -1, 0},
{-1, -1, 9, 2, -1, -1, -2, 2, -16, -4, 1, -1, 2, -6, 36, 8, -4, 2, 9, -17, 108, 24, -11, 6, -2, 3, -22, -5, 2, -1, 0, -2, 11, 2, -2, 0},
{-1, -1, 8, 2, -1, -1, -2, 2, -15, -5, 2, -1, 3, -7, 34, 11, -5, 2, 11, -21, 103, 34, -15, 8, -3, 4, -21, -7, 2, -1, 0, -3, 11, 3, -2, 0},
{-1, -1, 8, 3, -1, -1, -2, 3, -14, -7, 2, -1, 4, -8, 32, 14, -6, 3, 12, -24, 97, 44, -18, 10, -3, 4, -20, -9, 3, -1, -1, -3, 10, 4, -3, -1},
{-1, -1, 7, 4, -1, -1, -1, 3, -13, -8, 2, -1, 4, -9, 29, 17, -7, 4, 13, -25, 90, 54, -21, 12, -3, 4, -18, -11, 3, -3, -1, -3, 9, 5, -3, -1},
{-1, -1, 6, 5, -1, -1, -1, 3, -12, -10, 3, -1, 4, -9, 27, 21, -8, 4, 13, -25, 81, 63, -23, 13, -3, 4, -17, -13, 4, -3, -1, -3, 8, 6, -3, -1},
{-1, -1, 6, 6, -1, -1, -1, 3, -11, -11, 3, -1, 4, -9, 24, 24, -9, 4, 13, -25, 73, 73, -25, 13, -3, 4, -15, -15, 4, -3, -1, -3, 7, 7, -3, -1},
{-1, -1, 5, 6, -1, -1, -1, 3, -10, -12, 3, -1, 4, -8, 21, 27, -9, 4, 13, -23, 63, 81, -25, 13, -3, 4, -13, -17, 4, -3, -1, -3, 6, 8, -3, -1},
{-1, -1, 4, 7, -1, -1, -1, 2, -8, -13, 3, -1, 4, -7, 17, 29, -9, 4, 12, -21, 54, 90, -25, 13, -3, 3, -11, -18, 4, -3, -1, -3, 5, 9, -3, -1},
{-1, -1, 3, 8, -1, -1, -1, 2, -7, -14, 3, -2, 3, -6, 14, 32, -8, 4, 10, -18, 44, 97, -24, 12, -1, 3, -9, -20, 4, -3, -1, -3, 4, 10, -3, -1},
{-1, -1, 2, 8, -1, -1, -1, 2, -5, -15, 2, -2, 2, -5, 11, 34, -7, 3, 8, -15, 34, 103, -21, 11, -1, 2, -7, -21, 4, -3, 0, -2, 3, 11, -3, 0},
{-1, -1, 2, 9, -1, -1, -1, 1, -4, -16, 2, -2, 2, -4, 8, 36, -6, 2, 6, -11, 24, 108, -17, 9, -1, 2, -5, -22, 3, -2, 0, -2, 2, 11, -2, 0},
{0, 0, 1, 9, 0, 0, 0, 1, -3, -16, 1, -1, 0, -3, 5, 37, -5, 2, 4, -8, 15, 112, -13, 6, 0, 1, -4, -23, 2, -2, 0, -1, 1, 12, -2, 0},
{0, 0, 0, 10, 0, 0, 0, 0, -1, -16, 1, -1, 0, -2, 2, 38, -3, 1, 0, -4, 7, 114, -7, 3, 0, 0, -2, -23, 1, -1, 0, 0, 0, 12, -1, 0},
{0, 0, 7, 0, 0, 0, 0, 0, -13, 0, 0, 0, -1, 0, 27, 0, -1, 0, -1, 0, 120, 0, -1, 0, 0, 0, -19, 0, 0, 0, 0, 0, 10, 0, 0, 0},
{0, 0, 7, 0, 0, 0, -1, 0, -12, -1, 0, 0, 1, -2, 27, 2, -1, 0, 3, -7, 120, 8, -4, 0, -1, 1, -19, -1, 0, 0, 0, -1, 10, 0, -1, 0},
{0, 0, 7, 0, 0, 0, -1, 1, -12, -2, 0, 0, 1, -3, 27, 3, -2, 0, 6, -13, 117, 16, -8, 4, -1, 2, -19, -3, 1, 0, 0, -2, 9, 1, -1, 0},
{-1, -1, 7, 1, -1, -1, -1, 1, -12, -3, 1, 0, 2, -5, 26, 6, -3, 1, 9, -18, 113, 26, -12, 7, -2, 2, -18, -5, 1, 0, 0, -2, 9, 2, -1, 0},
{-1, -1, 6, 2, -1, -1, -2, 2, -11, -4, 1, -1, 2, -5, 24, 8, -4, 2, 11, -22, 108, 36, -16, 9, -2, 3, -17, -6, 2, -1, 0, -2, 9, 2, -2, 0},
{-1, -1, 6, 2, -1, -1, -1, 2, -11, -5, 1, -1, 3, -6, 23, 10, -5, 2, 13, -25, 102, 46, -19, 11, -3, 3, -16, -8, 2, -1, 0, -2, 8, 3, -2, 0},
{-1, -1, 5, 3, -1, -1, -1, 2, -10, -6, 2, -1, 3, -6, 21, 13, -5, 2, 14, -26, 94, 56, -22, 12, -3, 3, -15, -9, 3, -3, 0, -3, 7, 4, -2, 0},
{-1, -1, 5, 4, -1, -1, -1, 2, -9, -7, 2, -1, 3, -6, 19, 15, -6, 3, 14, -26, 85, 66, -24, 13, -3, 4, -14, -11, 3, -3, -1, -3, 7, 5, -2, -1},
{-1, -1, 4, 4, -1, -1, -1, 2, -8, -8, 2, -1, 3, -6, 17, 17, -6, 3, 14, -26, 76, 76, -26, 14, -3, 3, -12, -12, 3, -3, 0, -3, 6, 6, -3, 0},
{-1, -1, 4, 5, -1, -1, -1, 2, -7, -9, 2, -1, 3, -6, 15, 19, -6, 3, 13, -24, 66, 85, -26, 14, -3, 3, -11, -14, 4, -3, -1, -2, 5, 7, -3, -1},
{-1, -1, 3, 5, -1, -1, -1, 2, -6, -10, 2, -1, 2, -5, 13, 21, -6, 3, 12, -22, 56, 94, -26, 14, -3, 3, -9, -15, 3, -3, 0, -2, 4, 7, -3, 0},
{-1, -1, 2, 6, -1, -1, -1, 1, -5, -11, 2, -1, 2, -5, 10, 23, -6, 3, 11, -19, 46, 102, -25, 13, -1, 2, -8, -16, 3, -3, 0, -2, 3, 8, -2, 0},
{-1, -1, 2, 6, -1, -1, -1, 1, -4, -11, 2, -2, 2, -4, 8, 24, -5, 2, 9, -16, 36, 108, -22, 11, -1, 2, -6, -17, 3, -2, 0, -2, 2, 9, -2, 0},
{-1, -1, 1, 7, -1, -1, 0, 1, -3, -12, 1, -1, 1, -3, 6, 26, -5, 2, 7, -12, 26, 113, -18, 9, 0, 1, -5, -18, 2, -2, 0, -1, 2, 9, -2, 0},
{0, 0, 0, 7, 0, 0, 0, 0, -2, -12, 1, -1, 0, -2, 3, 27, -3, 1, 4, -8, 16, 117, -13, 6, 0, 1, -3, -19, 2, -1, 0, -1, 1, 9, -2, 0},
{0, 0, 0, 7, 0, 0, 0, 0, -1, -12, 0, -1, 0, -1, 2, 27, -2, 1, 0, -4, 8, 120, -7, 3, 0, 0, -1, -19, 1, -1, 0, -1, 0, 10, -1, 0},
{0, 0, 5, 0, 0, 0, 0, 0, -9, 0, 0, 0, 0, 0, 17, 0, 0, 0, -1, 0, 124, 0, -1, 0, 0, 0, -14, 0, 0, 0, 0, 0, 7, 0, 0, 0},
{0, 0, 5, 0, 0, 0, 0, 0, -8, -1, 0, 0, 0, -1, 17, 1, -1, 0, 4, -7, 124, 8, -4, 0, -1, 1, -14, -1, 0, 0, 0, -1, 7, 0, 0, 0},
{0, 0, 5, 0, 0, 0, -1, 0, -8, -2, 0, 0, 1, -2, 17, 2, -2, 0, 7, -14, 121, 17, -8, 5, -1, 1, -14, -2, 0, 0, 0, -1, 7, 1, -1, 0},
{0, 0, 4, 0, 0, 0, -1, 1, -8, -2, 0, 0, 1, -3, 16, 3, -2, 0, 9, -19, 117, 27, -12, 7, -2, 2, -13, -3, 1, 0, 0, -1, 6, 1, -1, 0},
{0, 0, 4, 0, 0, 0, -1, 1, -8, -3, 1, 0, 1, -4, 15, 5, -3, 1, 12, -23, 112, 37, -16, 9, -2, 2, -13, -5, 1, 0, 0, -2, 6, 2, -1, 0},
{0, 0, 4, 0, 0, 0, 0, 1, -7, -4, 1, 0, 1, -4, 15, 6, -3, 1, 13, -25, 105, 47, -20, 11, -2, 2, -12, -6, 2, -2, 0, -2, 6, 2, -2, 0},
{-1, 0, 4, 0, 0, 0, 0, 1, -7, -4, 1, 0, 2, -4, 13, 8, -4, 1, 14, -27, 97, 58, -23, 13, -2, 2, -11, -7, 2, -2, 0, -2, 5, 3, -2, 0},
{-1, -1, 3, 2, -1, -1, -1, 1, -6, -5, 1, 0, 2, -4, 12, 9, -4, 2, 15, -27, 88, 69, -25, 14, -2, 2, -10, -8, 2, -2, 0, -2, 5, 3, -2, 0},
{-1, -1, 3, 3, -1, -1, -1, 1, -6, -6, 1, -1, 2, -4, 11, 11, -4, 2, 15, -27, 79, 79, -27, 15, -2, 2, -9, -9, 2, -2, 0, -2, 4, 4, -2, 0},
{-1, -1, 2, 3, -1, -1, -1, 1, -5, -6, 1, 0, 2, -4, 9, 12, -4, 2, 14, -25, 69, 88, -27, 15, -2, 2, -8, -10, 2, -2, 0, -2, 3, 5, -2, 0},
{-1, 0, 0, 4, 0, 0, 0, 1, -4, -7, 1, 0, 1, -4, 8, 13, -4, 2, 13, -23, 58, 97, -27, 14, -2, 2, -7, -11, 2, -2, 0, -2, 3, 5, -2, 0},
{0, 0, 0, 4, 0, 0, 0, 1, -4, -7, 1, 0, 1, -3, 6, 15, -4, 1, 11, -20, 47, 105, -25, 13, -2, 2, -6, -12, 2, -2, 0, -2, 2, 6, -2, 0},
{0, 0, 0, 4, 0, 0, 0, 1, -3, -8, 1, -1, 1, -3, 5, 15, -4, 1, 9, -16, 37, 112, -23, 12, 0, 1, -5, -13, 2, -2, 0, -1, 2, 6, -2, 0},
{0, 0, 0, 4, 0, 0, 0, 0, -2, -8, 1, -1, 0, -2, 3, 16, -3, 1, 7, -12, 27, 117, -19, 9, 0, 1, -3, -13, 2, -2, 0, -1, 1, 6, -1, 0},
{0, 0, 0, 5, 0, 0, 0, 0, -2, -8, 0, -1, 0, -2, 2, 17, -2, 1, 5, -8, 17, 121, -14, 7, 0, 0, -2, -14, 1, -1, 0, -1, 1, 7, -1, 0},
{0, 0, 0, 5, 0, 0, 0, 0, -1, -8, 0, 0, 0, -1, 1, 17, -1, 0, 0, -4, 8, 124, -7, 4, 0, 0, -1, -14, 1, -1, 0, 0, 0, 7, -1, 0},
{0, 0, 2, 0, 0, 0, 0, 0, -4, 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 127, 0, 0, 0, 0, 0, -8, 0, 0, 0, 0, 0, 3, 0, 0, 0},
{0, 0, 0, 0, 0, 0, 0, 0, -4, 0, 0, 0, 0, -1, 8, 1, 0, 0, 4, -7, 126, 8, -4, 0, 0, 0, -7, 0, 0, 0, 0, 0, 4, 0, 0, 0},
{0, 0, 0, 0, 0, 0, 0, 0, -4, -1, 0, 0, 0, -1, 8, 1, -1, 0, 7, -14, 124, 17, -8, 5, -1, 1, -7, -1, 0, 0, 0, -1, 4, 0, 0, 0},
{0, 0, 0, 0, 0, 0, -1, 0, -4, -1, 0, 0, 0, -1, 8, 2, -1, 0, 10, -19, 120, 27, -12, 7, -1, 1, -7, -2, 0, 0, 0, -1, 3, 1, -1, 0},
{0, 0, 0, 0, 0, 0, 0, 0, -4, -2, 0, 0, 0, -2, 7, 2, -1, 0, 12, -23, 114, 38, -16, 10, -1, 1, -7, -3, 1, 0, 0, -1, 3, 1, -1, 0},
{0, 0, 0, 0, 0, 0, 0, 0, -4, -2, 0, 0, 1, -2, 7, 3, -2, 0, 14, -26, 107, 48, -20, 12, -1, 1, -7, -3, 1, -1, 0, -1, 3, 1, -1, 0},
{0, 0, 0, 0, 0, 0, 0, 0, -4, -2, 0, 0, 1, -2, 6, 4, -2, 0, 15, -27, 99, 59, -23, 13, -1, 1, -6, -4, 1, -1, 0, -1, 2, 1, -1, 0},
{0, 0, 0, 0, 0, 0, 0, 0, -3, -3, 0, 0, 1, -2, 6, 4, -2, 0, 15, -28, 90, 70, -25, 14, -1, 1, -6, -5, 1, -1, 0, -1, 2, 2, -1, 0},
{-1, -1, 0, 0, 0, 0, 0, 0, -3, -3, 0, 0, 1, -2, 5, 5, -2, 1, 15, -27, 80, 80, -27, 15, -1, 1, -5, -5, 1, -1, 0, -1, 2, 2, -1, 0},
{0, 0, 0, 0, 0, 0, 0, 0, -3, -3, 0, 0, 0, -2, 4, 6, -2, 1, 14, -25, 70, 90, -28, 15, -1, 1, -5, -6, 1, -1, 0, -1, 2, 2, -1, 0},
{0, 0, 0, 0, 0, 0, 0, 0, -2, -4, 0, 0, 0, -2, 4, 6, -2, 1, 13, -23, 59, 99, -27, 15, -1, 1, -4, -6, 1, -1, 0, -1, 1, 2, -1, 0},
{0, 0, 0, 0, 0, 0, 0, 0, -2, -4, 0, 0, 0, -2, 3, 7, -2, 1, 12, -20, 48, 107, -26, 14, -1, 1, -3, -7, 1, -1, 0, -1, 1, 3, -1, 0},
{0, 0, 0, 0, 0, 0, 0, 0, -2, -4, 0, 0, 0, -1, 2, 7, -2, 0, 10, -16, 38, 114, -23, 12, 0, 1, -3, -7, 1, -1, 0, -1, 1, 3, -1, 0},
{0, 0, 0, 0, 0, 0, 0, 0, -1, -4, 0, -1, 0, -1, 2, 8, -1, 0, 7, -12, 27, 120, -19, 10, 0, 0, -2, -7, 1, -1, 0, -1, 1, 3, -1, 0},
{0, 0, 0, 0, 0, 0, 0, 0, -1, -4, 0, 0, 0, -1, 1, 8, -1, 0, 5, -8, 17, 124, -14, 7, 0, 0, -1, -7, 1, -1, 0, 0, 0, 4, -1, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, -4, 0, 0, 0, 0, 1, 8, -1, 0, 0, -4, 8, 126, -7, 4, 0, 0, 0, -7, 0, 0, 0, 0, 0, 4, 0, 0}
#endif /* EDGE_PIXEL_FILTER_EXTEND */
#else /* SUBPEL_SHIFTS==16 */
#if EDGE_PIXEL_FILTER_EXTEND == 2
{0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 1, 1, 1, -13, 125, 18, -7, 0, 1, 1, 0, 0, 0, 0, 0},
{0, 1, 1, 1, -22, 116, 39, -15, 0, 1, 1, 1, 1, 1, 1, 1},
{1, 1, 1, 1, -25, 101, 61, -21, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 1, 1, 1, -25, 83, 83, -25, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 1, 1, 1, -21, 61, 101, -25, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 1, 1, 0, -15, 39, 116, -22, 1, 1, 1, 0, 1, 1, 1, 1},
{1, 1, 1, 0, -7, 18, 125, -13, 0, 1, 1, 0, 0, 0, 0, 0},
{0, -13, 0, 1, 1, 125, 1, 0, 1, 18, 1, 0, 0, -7, 0, 0},
{1, -13, -2, 0, -13, 121, 17, 0, -2, 17, 2, 0, 0, 0, 0, 0},
{3, -12, -3, 1, -21, 113, 38, -15, -3, 16, 6, 1, 1, 1, 1, 1},
{4, -9, -5, 1, -25, 99, 59, -20, -2, 15, 9, -2, 1, 1, 1, 1},
{4, -8, -8, 4, -24, 80, 80, -24, -2, 12, 12, -2, 1, 1, 1, 1},
{1, -5, -9, 4, -20, 59, 99, -25, -2, 9, 15, -2, 1, 1, 1, 1},
{1, -3, -12, 3, -15, 38, 113, -21, 1, 6, 16, -3, 1, 1, 1, 1},
{0, -2, -13, 1, 0, 17, 121, -13, 0, 2, 17, -2, 0, 0, 0, 0},
{0, -22, 0, 1, 1, 116, 1, 1, 1, 39, 1, 1, 1, -15, 1, 1},
{3, -21, -3, 1, -12, 113, 16, 1, -3, 38, 6, 1, 1, -15, 1, 1},
{5, -19, -5, 2, -19, 105, 36, -13, -5, 36, 13, 2, 1, -13, 1, 1},
{7, -15, -8, 2, -21, 92, 56, -17, -5, 32, 20, -4, 2, -10, -5, 2},
{3, -12, -12, 3, -21, 76, 76, -21, -5, 27, 27, -5, 3, -7, -7, 3},
{2, -8, -15, 7, -17, 56, 92, -21, -4, 20, 32, -5, 2, -5, -10, 2},
{2, -5, -19, 5, -13, 36, 105, -19, 2, 13, 36, -5, 1, 1, -13, 1},
{1, -3, -21, 3, 1, 16, 113, -12, 1, 6, 38, -3, 1, 1, -15, 1},
{1, -25, 1, 1, 1, 101, 1, 1, 1, 61, 1, 1, 1, -21, 1, 1},
{4, -25, -2, 1, -9, 99, 15, 1, -5, 59, 9, 1, 1, -20, -2, 1},
{7, -21, -5, 2, -15, 92, 32, -10, -8, 56, 20, -5, 2, -17, -4, 2},
{3, -18, -9, 3, -18, 81, 50, -14, -9, 50, 31, -7, 3, -14, -7, 3},
{3, -13, -13, 3, -17, 67, 67, -17, -9, 41, 41, -9, 3, -11, -11, 3},
{3, -9, -18, 3, -14, 50, 81, -18, -7, 31, 50, -9, 3, -7, -14, 3},
{2, -5, -21, 7, -10, 32, 92, -15, -5, 20, 56, -8, 2, -4, -17, 2},
{1, -2, -25, 4, 1, 15, 99, -9, 1, 9, 59, -5, 1, -2, -20, 1},
{1, -25, 1, 1, 1, 83, 1, 1, 1, 83, 1, 1, 1, -25, 1, 1},
{4, -24, -2, 1, -8, 80, 12, 1, -8, 80, 12, 1, 4, -24, -2, 1},
{3, -21, -5, 3, -12, 76, 27, -7, -12, 76, 27, -7, 3, -21, -5, 3},
{3, -17, -9, 3, -13, 67, 41, -11, -13, 67, 41, -11, 3, -17, -9, 3},
{3, -13, -13, 3, -13, 55, 55, -13, -13, 55, 55, -13, 3, -13, -13, 3},
{3, -9, -17, 3, -11, 41, 67, -13, -11, 41, 67, -13, 3, -9, -17, 3},
{3, -5, -21, 3, -7, 27, 76, -12, -7, 27, 76, -12, 3, -5, -21, 3},
{1, -2, -24, 4, 1, 12, 80, -8, 1, 12, 80, -8, 1, -2, -24, 4},
{1, -21, 1, 1, 1, 61, 1, 1, 1, 101, 1, 1, 1, -25, 1, 1},
{1, -20, -2, 1, -5, 59, 9, 1, -9, 99, 15, 1, 4, -25, -2, 1},
{2, -17, -4, 2, -8, 56, 20, -5, -15, 92, 32, -10, 7, -21, -5, 2},
{3, -14, -7, 3, -9, 50, 31, -7, -18, 81, 50, -14, 3, -18, -9, 3},
{3, -11, -11, 3, -9, 41, 41, -9, -17, 67, 67, -17, 3, -13, -13, 3},
{3, -7, -14, 3, -7, 31, 50, -9, -14, 50, 81, -18, 3, -9, -18, 3},
{2, -4, -17, 2, -5, 20, 56, -8, -10, 32, 92, -15, 2, -5, -21, 7},
{1, -2, -20, 1, 1, 9, 59, -5, 1, 15, 99, -9, 1, -2, -25, 4},
{1, -15, 1, 1, 1, 39, 1, 1, 1, 116, 1, 1, 0, -22, 0, 1},
{1, -15, 1, 1, -3, 38, 6, 1, -12, 113, 16, 1, 3, -21, -3, 1},
{2, -13, 2, 1, -5, 36, 13, 1, -19, 105, 36, -13, 5, -19, -5, 1},
{2, -10, -5, 2, -5, 32, 20, -4, -21, 92, 56, -17, 7, -15, -8, 2},
{3, -7, -7, 3, -5, 27, 27, -5, -21, 76, 76, -21, 3, -12, -12, 3},
{2, -5, -10, 2, -4, 20, 32, -5, -17, 56, 92, -21, 2, -8, -15, 7},
{2, 2, -13, 1, 1, 13, 36, -5, -13, 36, 105, -19, 1, -5, -19, 5},
{1, 1, -15, 1, 1, 6, 38, -3, 1, 16, 113, -12, 1, -3, -21, 3},
{1, -7, 0, 0, 1, 18, 1, 0, 1, 125, 1, 0, 0, -13, 0, 0},
{0, 0, 0, 0, -2, 17, 2, 0, -13, 121, 17, 0, 1, -13, -2, 0},
{1, 1, 1, 1, -3, 16, 6, 1, -21, 113, 38, -15, 3, -12, -3, 1},
{1, 1, 1, 1, -2, 15, 9, -2, -25, 99, 59, -20, 4, -9, -5, 1},
{1, 1, 1, 1, -2, 12, 12, -2, -24, 80, 80, -24, 4, -8, -8, 4},
{1, 1, 1, 1, -2, 9, 15, -2, -20, 59, 99, -25, 1, -5, -9, 4},
{1, 1, 1, 1, 1, 6, 16, -3, -15, 38, 113, -21, 1, -3, -12, 3},
{0, 0, 0, 0, 0, 2, 17, -2, 0, 17, 121, -13, 0, -2, -13, 1}
#elif EDGE_PIXEL_FILTER_EXTEND == 3
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, -14, 124, 17, -9, 5, 0, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, -1, -1, 0, 0, 0, -1, 0, 0, 0, 0, 12, -23, 115, 38, -17, 9, 0, -1, 0, 0, 0, 0, 0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0},
{-1, 0, -1, -1, 0, -1, 0, -1, 0, 0, -1, 0, 15, -27, 100, 60, -23, 13, 0, -1, 0, 0, -1, 0, 0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0},
{-1, 0, -1, -1, 0, -1, 0, -1, 0, 0, -1, 0, 15, -27, 81, 81, -27, 15, 0, -1, 0, 0, -1, 0, 0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0},
{-1, 0, -1, -1, 0, -1, 0, -1, 0, 0, -1, 0, 13, -23, 60, 100, -27, 15, 0, -1, 0, 0, -1, 0, 0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, -1, -1, 0, 0, 0, 0, 0, 0, -1, 0, 9, -17, 38, 115, -23, 12, 0, 0, 0, 0, -1, 0, 0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0, 5, -9, 17, 124, -14, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 7, 0, 0, 0, 0, 0, -14, 0, 0, 0, -1, 0, 124, 0, -1, 0, 0, 0, 17, 0, 0, 0, 0, 0, -9, 0, 0, 0, 0, 0, 5, 0, 0, 0},
{0, -1, 7, 1, 0, 0, -1, 1, -13, -2, 1, 0, 7, -13, 122, 17, -8, 0, 1, -2, 17, 2, -1, 0, 0, 1, -8, -1, 1, 0, 0, 0, 0, 0, 0, 0},
{0, -2, 6, 2, -1, 0, -2, 2, -13, -4, 1, 0, 12, -22, 112, 37, -16, 9, 1, -3, 16, 5, -3, 0, 0, 1, -8, -3, 1, 0, 0, 0, 0, 0, 0, 0},
{0, -2, 5, 3, -2, 0, -2, 3, -11, -7, 2, -2, 14, -27, 97, 58, -23, 13, 2, -4, 14, 8, -4, 2, 0, 1, -7, -4, 1, 0, 0, 0, 0, 0, 0, 0},
{0, -2, 4, 4, -2, 0, -2, 2, -9, -9, 2, -2, 15, -27, 79, 79, -27, 15, 2, -4, 11, 11, -4, 2, 0, 1, -6, -6, 1, 0, 0, 0, 0, 0, 0, 0},
{0, -2, 3, 5, -2, 0, -2, 2, -7, -11, 3, -2, 13, -23, 58, 97, -27, 14, 2, -4, 8, 14, -4, 2, 0, 1, -4, -7, 1, 0, 0, 0, 0, 0, 0, 0},
{0, -1, 2, 6, -2, 0, 0, 1, -4, -13, 2, -2, 9, -16, 37, 112, -22, 12, 0, -3, 5, 16, -3, 1, 0, 1, -3, -8, 1, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 1, 7, -1, 0, 0, 1, -2, -13, 1, -1, 0, -8, 17, 122, -13, 7, 0, -1, 2, 17, -2, 1, 0, 1, -1, -8, 1, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 12, 0, 0, 0, 0, -1, -23, -1, 0, 0, -1, 0, 115, 0, -1, 0, -1, 0, 38, 0, -1, 0, 0, 0, -17, 0, 0, 0, 0, 0, 9, 0, 0, 0},
{0, -2, 12, 1, 0, 0, -2, 2, -22, -3, 1, 0, 6, -13, 112, 16, -8, 0, 2, -4, 37, 5, -3, 0, -1, 1, -16, -3, 1, 0, 0, 0, 9, 0, 0, 0},
{-1, -3, 11, 3, -2, -1, -3, 4, -21, -7, 2, -1, 11, -21, 103, 34, -15, 8, 3, -7, 34, 11, -5, 2, -2, 2, -15, -5, 2, -1, -1, -1, 8, 2, 0, 0},
{-1, -3, 9, 5, -3, -1, -3, 4, -18, -11, 3, -1, 13, -25, 90, 53, -21, 12, 4, -9, 29, 17, -7, 3, -1, 3, -13, -8, 2, -1, -1, -1, 7, 4, -1, -1},
{-1, -3, 7, 7, -3, -1, -3, 4, -15, -15, 4, -3, 13, -25, 73, 73, -25, 13, 4, -9, 24, 24, -9, 4, -1, 3, -11, -11, 3, -1, -1, -1, 6, 6, -1, -1},
{-1, -3, 5, 9, -3, -1, -1, 3, -11, -18, 4, -3, 12, -21, 53, 90, -25, 13, 3, -7, 17, 29, -9, 4, -1, 2, -8, -13, 3, -1, -1, -1, 4, 7, -1, -1},
{-1, -2, 3, 11, -3, -1, -1, 2, -7, -21, 4, -3, 8, -15, 34, 103, -21, 11, 2, -5, 11, 34, -7, 3, -1, 2, -5, -15, 2, -2, -1, -1, 2, 8, 0, 0},
{0, 0, 1, 12, -2, 0, 0, 1, -3, -22, 2, -2, 0, -8, 16, 112, -13, 6, 0, -3, 5, 37, -4, 2, 0, 1, -3, -16, 1, -1, 0, 0, 0, 9, 0, 0},
{-1, 0, 15, 0, -1, 0, 0, -1, -27, -1, 0, 0, -1, 0, 100, 0, -1, 0, -1, 0, 60, 0, -1, 0, 0, -1, -23, -1, 0, 0, 0, 0, 13, 0, 0, 0},
{0, -2, 14, 2, 0, 0, -2, 3, -27, -4, 1, 0, 5, -11, 97, 14, -7, 0, 3, -7, 58, 8, -4, 0, -2, 2, -23, -4, 1, 0, 0, -2, 13, 2, 0, 0},
{-1, -3, 13, 4, -1, -1, -3, 4, -25, -9, 3, -1, 9, -18, 90, 29, -13, 7, 5, -11, 53, 17, -8, 4, -3, 3, -21, -7, 2, -1, -1, -1, 12, 3, -1, -1},
{-1, -4, 11, 6, -1, -1, -4, 5, -22, -14, 4, -1, 11, -22, 78, 46, -19, 10, 6, -14, 46, 27, -12, 6, -1, 4, -19, -11, 3, -1, -1, -1, 10, 6, -1, -1},
{-1, -4, 9, 9, -4, -1, -4, 5, -18, -18, 5, -4, 11, -22, 63, 63, -22, 11, 7, -13, 37, 37, -13, 7, -1, 4, -15, -15, 4, -1, -1, -1, 8, 8, -1, -1},
{-1, -1, 6, 11, -4, -1, -1, 4, -14, -22, 5, -4, 10, -19, 46, 78, -22, 11, 6, -12, 27, 46, -14, 6, -1, 3, -11, -19, 4, -1, -1, -1, 6, 10, -1, -1},
{-1, -1, 4, 13, -3, -1, -1, 3, -9, -25, 4, -3, 7, -13, 29, 90, -18, 9, 4, -8, 17, 53, -11, 5, -1, 2, -7, -21, 3, -3, -1, -1, 3, 12, -1, -1},
{0, 0, 2, 14, -2, 0, 0, 1, -4, -27, 3, -2, 0, -7, 14, 97, -11, 5, 0, -4, 8, 58, -7, 3, 0, 1, -4, -23, 2, -2, 0, 0, 2, 13, -2, 0},
{-1, 0, 15, 0, -1, 0, 0, -1, -27, -1, 0, 0, -1, 0, 81, 0, -1, 0, -1, 0, 81, 0, -1, 0, 0, -1, -27, -1, 0, 0, 0, 0, 15, 0, 0, 0},
{0, -2, 15, 2, 0, 0, -2, 2, -27, -4, 1, 0, 4, -9, 79, 11, -6, 0, 4, -9, 79, 11, -6, 0, -2, 2, -27, -4, 1, 0, 0, -2, 15, 2, 0, 0},
{-1, -3, 13, 4, -1, -1, -3, 4, -25, -9, 3, -1, 7, -15, 73, 24, -11, 6, 7, -15, 73, 24, -11, 6, -3, 4, -25, -9, 3, -1, -1, -3, 13, 4, -1, -1},
{-1, -4, 11, 7, -1, -1, -4, 5, -22, -13, 4, -1, 9, -18, 63, 37, -15, 8, 9, -18, 63, 37, -15, 8, -4, 5, -22, -13, 4, -1, -1, -4, 11, 7, -1, -1},
{-1, -1, 8, 8, -1, -1, -1, 4, -18, -18, 4, -1, 8, -18, 50, 50, -18, 8, 9, -18, 50, 50, -18, 9, -1, 4, -18, -18, 4, -1, -1, -1, 9, 9, -1, -1},
{-1, -1, 7, 11, -4, -1, -1, 4, -13, -22, 5, -4, 8, -15, 37, 63, -18, 9, 8, -15, 37, 63, -18, 9, -1, 4, -13, -22, 5, -4, -1, -1, 7, 11, -4, -1},
{-1, -1, 4, 13, -3, -1, -1, 3, -9, -25, 4, -3, 6, -11, 24, 73, -15, 7, 6, -11, 24, 73, -15, 7, -1, 3, -9, -25, 4, -3, -1, -1, 4, 13, -3, -1},
{0, 0, 2, 15, -2, 0, 0, 1, -4, -27, 2, -2, 0, -6, 11, 79, -9, 4, 0, -6, 11, 79, -9, 4, 0, 1, -4, -27, 2, -2, 0, 0, 2, 15, -2, 0},
{-1, 0, 13, 0, -1, 0, 0, -1, -23, -1, 0, 0, -1, 0, 60, 0, -1, 0, -1, 0, 100, 0, -1, 0, 0, -1, -27, -1, 0, 0, 0, 0, 15, 0, 0, 0},
{0, -2, 13, 2, 0, 0, -2, 2, -23, -4, 1, 0, 3, -7, 58, 8, -4, 0, 5, -11, 97, 14, -7, 0, -2, 3, -27, -4, 1, 0, 0, -2, 14, 2, 0, 0},
{-1, -1, 12, 3, -1, -1, -3, 3, -21, -7, 2, -1, 5, -11, 53, 17, -8, 4, 9, -18, 90, 29, -13, 7, -3, 4, -25, -9, 3, -1, -1, -3, 13, 4, -1, -1},
{-1, -1, 10, 6, -1, -1, -1, 4, -19, -12, 3, -1, 6, -14, 46, 27, -11, 6, 11, -22, 78, 46, -19, 10, -4, 5, -22, -14, 4, -1, -1, -4, 11, 6, -1, -1},
{-1, -1, 8, 8, -1, -1, -1, 4, -15, -15, 4, -1, 7, -13, 37, 37, -13, 7, 11, -22, 63, 63, -22, 11, -4, 5, -18, -18, 5, -4, -1, -4, 9, 9, -4, -1},
{-1, -1, 6, 10, -1, -1, -1, 3, -12, -19, 4, -1, 6, -11, 27, 46, -14, 6, 10, -19, 46, 78, -22, 11, -1, 4, -14, -22, 5, -4, -1, -1, 6, 11, -4, -1},
{-1, -1, 3, 12, -1, -1, -1, 2, -7, -21, 3, -3, 4, -8, 17, 53, -11, 5, 7, -13, 29, 90, -18, 9, -1, 3, -9, -25, 4, -3, -1, -1, 4, 13, -3, -1},
{0, 0, 2, 13, -2, 0, 0, 1, -4, -23, 2, -2, 0, -4, 8, 58, -7, 3, 0, -7, 14, 97, -11, 5, 0, 1, -4, -27, 3, -2, 0, 0, 2, 14, -2, 0},
{0, 0, 9, 0, 0, 0, 0, 0, -17, 0, 0, 0, -1, 0, 38, 0, -1, 0, -1, 0, 115, 0, -1, 0, 0, -1, -23, -1, 0, 0, 0, 0, 12, 0, 0, 0},
{0, 0, 9, 0, 0, 0, -1, 1, -16, -3, 1, 0, 2, -4, 37, 5, -3, 0, 6, -13, 112, 16, -8, 0, -2, 2, -22, -3, 1, 0, 0, -2, 12, 1, 0, 0},
{-1, -1, 8, 2, -1, -1, -2, 2, -15, -5, 2, -1, 3, -7, 34, 11, -5, 2, 11, -21, 103, 34, -15, 8, -3, 4, -21, -7, 2, -1, 0, -3, 11, 3, -2, 0},
{-1, -1, 7, 4, -1, -1, -1, 3, -13, -8, 2, -1, 4, -9, 29, 17, -7, 3, 13, -25, 90, 53, -21, 12, -3, 4, -18, -11, 3, -1, -1, -3, 9, 5, -3, -1},
{-1, -1, 6, 6, -1, -1, -1, 3, -11, -11, 3, -1, 4, -9, 24, 24, -9, 4, 13, -25, 73, 73, -25, 13, -3, 4, -15, -15, 4, -3, -1, -3, 7, 7, -3, -1},
{-1, -1, 4, 7, -1, -1, -1, 2, -8, -13, 3, -1, 3, -7, 17, 29, -9, 4, 12, -21, 53, 90, -25, 13, -1, 3, -11, -18, 4, -3, -1, -3, 5, 9, -3, -1},
{-1, -1, 2, 8, -1, -1, -1, 2, -5, -15, 2, -2, 2, -5, 11, 34, -7, 3, 8, -15, 34, 103, -21, 11, -1, 2, -7, -21, 4, -3, 0, -2, 3, 11, -3, 0},
{0, 0, 0, 9, 0, 0, 0, 1, -3, -16, 1, -1, 0, -3, 5, 37, -4, 2, 0, -8, 16, 112, -13, 6, 0, 1, -3, -22, 2, -2, 0, 0, 1, 12, -2, 0},
{0, 0, 5, 0, 0, 0, 0, 0, -9, 0, 0, 0, 0, 0, 17, 0, 0, 0, -1, 0, 124, 0, -1, 0, 0, 0, -14, 0, 0, 0, 0, 0, 7, 0, 0, 0},
{0, 0, 0, 0, 0, 0, 0, 1, -8, -1, 1, 0, 1, -2, 17, 2, -1, 0, 7, -13, 122, 17, -8, 0, -1, 1, -13, -2, 1, 0, 0, -1, 7, 1, 0, 0},
{0, 0, 0, 0, 0, 0, 0, 1, -8, -3, 1, 0, 1, -3, 16, 5, -3, 0, 12, -22, 112, 37, -16, 9, -2, 2, -13, -4, 1, 0, 0, -2, 6, 2, -1, 0},
{0, 0, 0, 0, 0, 0, 0, 1, -7, -4, 1, 0, 2, -4, 14, 8, -4, 2, 14, -27, 97, 58, -23, 13, -2, 3, -11, -7, 2, -2, 0, -2, 5, 3, -2, 0},
{0, 0, 0, 0, 0, 0, 0, 1, -6, -6, 1, 0, 2, -4, 11, 11, -4, 2, 15, -27, 79, 79, -27, 15, -2, 2, -9, -9, 2, -2, 0, -2, 4, 4, -2, 0},
0, 0, 0, 0, 0, 0, 1, -4, -7, 1, 0, 2, -4, 8, 14, -4, 2, 13, -23, 58, 97, -27, 14, -2, 2, -7, -11, 3, -2, 0, -2, 3, 5, -2, 0},
{0, 0, 0, 0, 0, 0, 0, 1, -3, -8, 1, 0, 0, -3, 5, 16, -3, 1, 9, -16, 37, 112, -22, 12, 0, 1, -4, -13, 2, -2, 0, -1, 2, 6, -2, 0},
{0, 0, 0, 0, 0, 0, 0, 1, -1, -8, 1, 0, 0, -1, 2, 17, -2, 1, 0, -8, 17, 122, -13, 7, 0, 1, -2, -13, 1, -1, 0, 0, 1, 7, -1, 0}
#endif /* EDGE_PIXEL_FILTER_EXTEND */
#endif /* SUBPEL_SHIFTS==16 */
};
#endif // EDGE_PIXEL_FILTER
#else // CONFIG_ENHANCED_INTERP
DECLARE_ALIGNED(16, const short, vp8_sub_pel_filters[8][6]) =
{
{ 0, 0, 128, 0, 0, 0 }, /* note that 1/8 pel positions are just as per alpha -0.5 bicubic */
{ 0, -6, 123, 12, -1, 0 },
{ 2, -11, 108, 36, -8, 1 }, /* New 1/4 pel 6 tap filter */
{ 0, -9, 93, 50, -6, 0 },
{ 3, -16, 77, 77, -16, 3 }, /* New 1/2 pel 6 tap filter */
{ 0, -6, 50, 93, -9, 0 },
{ 1, -8, 36, 108, -11, 2 }, /* New 1/4 pel 6 tap filter */
{ 0, -1, 12, 123, -6, 0 },
};
#endif // CONFIG_ENHANCED_INTERP
static void filter_block2d_first_pass
(
unsigned char *src_ptr,
int *output_ptr,
unsigned int src_pixels_per_line,
unsigned int pixel_step,
unsigned int output_height,
unsigned int output_width,
const short *vp8_filter
)
{
unsigned int i, j;
int Temp;
for (i = 0; i < output_height; i++)
{
for (j = 0; j < output_width; j++)
{
#if INTERP_EXTEND == 3
Temp = ((int)src_ptr[-2 * (int)pixel_step] * vp8_filter[0]) +
((int)src_ptr[-1 * (int)pixel_step] * vp8_filter[1]) +
((int)src_ptr[0] * vp8_filter[2]) +
((int)src_ptr[pixel_step] * vp8_filter[3]) +
((int)src_ptr[2*pixel_step] * vp8_filter[4]) +
((int)src_ptr[3*pixel_step] * vp8_filter[5]) +
(VP8_FILTER_WEIGHT >> 1); /* Rounding */
#elif INTERP_EXTEND == 4
Temp = ((int)src_ptr[-3 * (int)pixel_step] * vp8_filter[0]) +
((int)src_ptr[-2 * (int)pixel_step] * vp8_filter[1]) +
((int)src_ptr[-1 * (int)pixel_step] * vp8_filter[2]) +
((int)src_ptr[0] * vp8_filter[3]) +
((int)src_ptr[pixel_step] * vp8_filter[4]) +
((int)src_ptr[2 * pixel_step] * vp8_filter[5]) +
((int)src_ptr[3 * pixel_step] * vp8_filter[6]) +
((int)src_ptr[4 * pixel_step] * vp8_filter[7]) +
(VP8_FILTER_WEIGHT >> 1); /* Rounding */
#elif INTERP_EXTEND == 5
Temp = ((int)src_ptr[-4 * (int)pixel_step] * vp8_filter[0]) +
((int)src_ptr[-3 * (int)pixel_step] * vp8_filter[1]) +
((int)src_ptr[-2 * (int)pixel_step] * vp8_filter[2]) +
((int)src_ptr[-1 * (int)pixel_step] * vp8_filter[3]) +
((int)src_ptr[0] * vp8_filter[4]) +
((int)src_ptr[pixel_step] * vp8_filter[5]) +
((int)src_ptr[2 * pixel_step] * vp8_filter[6]) +
((int)src_ptr[3 * pixel_step] * vp8_filter[7]) +
((int)src_ptr[4 * pixel_step] * vp8_filter[8]) +
((int)src_ptr[5 * pixel_step] * vp8_filter[9]) +
(VP8_FILTER_WEIGHT >> 1); /* Rounding */
#endif
/* Normalize back to 0-255 */
Temp = Temp >> VP8_FILTER_SHIFT;
if (Temp < 0)
Temp = 0;
else if (Temp > 255)
Temp = 255;
output_ptr[j] = Temp;
src_ptr++;
}
/* Next row... */
src_ptr += src_pixels_per_line - output_width;
output_ptr += output_width;
}
}
static void filter_block2d_second_pass
(
int *src_ptr,
unsigned char *output_ptr,
int output_pitch,
unsigned int src_pixels_per_line,
unsigned int pixel_step,
unsigned int output_height,
unsigned int output_width,
const short *vp8_filter
)
{
unsigned int i, j;
int Temp;
for (i = 0; i < output_height; i++)
{
for (j = 0; j < output_width; j++)
{
/* Apply filter */
#if INTERP_EXTEND == 3
Temp = ((int)src_ptr[-2 * (int)pixel_step] * vp8_filter[0]) +
((int)src_ptr[-1 * (int)pixel_step] * vp8_filter[1]) +
((int)src_ptr[0] * vp8_filter[2]) +
((int)src_ptr[pixel_step] * vp8_filter[3]) +
((int)src_ptr[2*pixel_step] * vp8_filter[4]) +
((int)src_ptr[3*pixel_step] * vp8_filter[5]) +
(VP8_FILTER_WEIGHT >> 1); /* Rounding */
#elif INTERP_EXTEND == 4
Temp = ((int)src_ptr[-3 * (int)pixel_step] * vp8_filter[0]) +
((int)src_ptr[-2 * (int)pixel_step] * vp8_filter[1]) +
((int)src_ptr[-1 * (int)pixel_step] * vp8_filter[2]) +
((int)src_ptr[0] * vp8_filter[3]) +
((int)src_ptr[pixel_step] * vp8_filter[4]) +
((int)src_ptr[2 * pixel_step] * vp8_filter[5]) +
((int)src_ptr[3 * pixel_step] * vp8_filter[6]) +
((int)src_ptr[4 * pixel_step] * vp8_filter[7]) +
(VP8_FILTER_WEIGHT >> 1); /* Rounding */
#elif INTERP_EXTEND == 5
Temp = ((int)src_ptr[-4 * (int)pixel_step] * vp8_filter[0]) +
((int)src_ptr[-3 * (int)pixel_step] * vp8_filter[1]) +
((int)src_ptr[-2 * (int)pixel_step] * vp8_filter[2]) +
((int)src_ptr[-1 * (int)pixel_step] * vp8_filter[3]) +
((int)src_ptr[0] * vp8_filter[4]) +
((int)src_ptr[pixel_step] * vp8_filter[5]) +
((int)src_ptr[2 * pixel_step] * vp8_filter[6]) +
((int)src_ptr[3 * pixel_step] * vp8_filter[7]) +
((int)src_ptr[4 * pixel_step] * vp8_filter[8]) +
((int)src_ptr[5 * pixel_step] * vp8_filter[9]) +
(VP8_FILTER_WEIGHT >> 1); /* Rounding */
#endif
/* Normalize back to 0-255 */
Temp = Temp >> VP8_FILTER_SHIFT;
if (Temp < 0)
Temp = 0;
else if (Temp > 255)
Temp = 255;
output_ptr[j] = (unsigned char)Temp;
src_ptr++;
}
/* Start next row */
src_ptr += src_pixels_per_line - output_width;
output_ptr += output_pitch;
}
}
#if EDGE_PIXEL_FILTER > 0
static void filter_non_separable
(
unsigned char *src_ptr,
unsigned char *output_ptr,
unsigned int src_pixels_per_line,
unsigned int pixel_step,
const short *vp8_filter
)
{
int Temp;
#if EDGE_PIXEL_FILTER_EXTEND == 2
/* This code computes non-separable filtering of a pixel
* using a 4x4 neighborhood as shown where F is the pixel
* that src_ptr points to:
*
* A B C D
* E F G H
* I J K L
* M N O P
*
* The 16 filter coefficients are in row by row order
* */
Temp = ((int)src_ptr[-1 * (int)src_pixels_per_line - 1 * (int)pixel_step] * vp8_filter[0]) +
((int)src_ptr[-1 * (int)src_pixels_per_line + 0 * (int)pixel_step] * vp8_filter[1]) +
((int)src_ptr[-1 * (int)src_pixels_per_line + 1 * (int)pixel_step] * vp8_filter[2]) +
((int)src_ptr[-1 * (int)src_pixels_per_line + 2 * (int)pixel_step] * vp8_filter[3]) +
((int)src_ptr[ 0 * (int)src_pixels_per_line - 1 * (int)pixel_step] * vp8_filter[4]) +
((int)src_ptr[ 0 * (int)src_pixels_per_line + 0 * (int)pixel_step] * vp8_filter[5]) +
((int)src_ptr[ 0 * (int)src_pixels_per_line + 1 * (int)pixel_step] * vp8_filter[6]) +
((int)src_ptr[ 0 * (int)src_pixels_per_line + 2 * (int)pixel_step] * vp8_filter[7]) +
((int)src_ptr[ 1 * (int)src_pixels_per_line - 1 * (int)pixel_step] * vp8_filter[8]) +
((int)src_ptr[ 1 * (int)src_pixels_per_line + 0 * (int)pixel_step] * vp8_filter[9]) +
((int)src_ptr[ 1 * (int)src_pixels_per_line + 1 * (int)pixel_step] * vp8_filter[10]) +
((int)src_ptr[ 1 * (int)src_pixels_per_line + 2 * (int)pixel_step] * vp8_filter[11]) +
((int)src_ptr[ 2 * (int)src_pixels_per_line - 1 * (int)pixel_step] * vp8_filter[12]) +
((int)src_ptr[ 2 * (int)src_pixels_per_line + 0 * (int)pixel_step] * vp8_filter[13]) +
((int)src_ptr[ 2 * (int)src_pixels_per_line + 1 * (int)pixel_step] * vp8_filter[14]) +
((int)src_ptr[ 2 * (int)src_pixels_per_line + 2 * (int)pixel_step] * vp8_filter[15]) +
(VP8_FILTER_WEIGHT >> 1); /* Rounding */
#elif EDGE_PIXEL_FILTER_EXTEND == 3
/* This code computes non-separable filtering of a pixel
* using a 6x6 neighborhood as shown where O is the pixel
* that src_ptr points to:
*
* A B C D E F
* G H I J K L
* M N O P Q R
* S T U V W X
* Y Z a b c d
* e f g h i j
*
* The 36 filter coefficients are in row by row order
* */
Temp = ((int)src_ptr[-2 * (int)src_pixels_per_line - 2 * (int)pixel_step] * vp8_filter[0]) +
((int)src_ptr[-2 * (int)src_pixels_per_line - 1 * (int)pixel_step] * vp8_filter[1]) +
((int)src_ptr[-2 * (int)src_pixels_per_line + 0 * (int)pixel_step] * vp8_filter[2]) +
((int)src_ptr[-2 * (int)src_pixels_per_line + 1 * (int)pixel_step] * vp8_filter[3]) +
((int)src_ptr[-2 * (int)src_pixels_per_line + 2 * (int)pixel_step] * vp8_filter[4]) +
((int)src_ptr[-2 * (int)src_pixels_per_line + 3 * (int)pixel_step] * vp8_filter[5]) +
((int)src_ptr[-1 * (int)src_pixels_per_line - 2 * (int)pixel_step] * vp8_filter[6]) +
((int)src_ptr[-1 * (int)src_pixels_per_line - 1 * (int)pixel_step] * vp8_filter[7]) +
((int)src_ptr[-1 * (int)src_pixels_per_line + 0 * (int)pixel_step] * vp8_filter[8]) +
((int)src_ptr[-1 * (int)src_pixels_per_line + 1 * (int)pixel_step] * vp8_filter[9]) +
((int)src_ptr[-1 * (int)src_pixels_per_line + 2 * (int)pixel_step] * vp8_filter[10]) +
((int)src_ptr[-1 * (int)src_pixels_per_line + 3 * (int)pixel_step] * vp8_filter[11]) +
((int)src_ptr[ 0 * (int)src_pixels_per_line - 2 * (int)pixel_step] * vp8_filter[12]) +
((int)src_ptr[ 0 * (int)src_pixels_per_line - 1 * (int)pixel_step] * vp8_filter[13]) +
((int)src_ptr[ 0 * (int)src_pixels_per_line + 0 * (int)pixel_step] * vp8_filter[14]) +
((int)src_ptr[ 0 * (int)src_pixels_per_line + 1 * (int)pixel_step] * vp8_filter[15]) +
((int)src_ptr[ 0 * (int)src_pixels_per_line + 2 * (int)pixel_step] * vp8_filter[16]) +
((int)src_ptr[ 0 * (int)src_pixels_per_line + 3 * (int)pixel_step] * vp8_filter[17]) +
((int)src_ptr[ 1 * (int)src_pixels_per_line - 2 * (int)pixel_step] * vp8_filter[18]) +
((int)src_ptr[ 1 * (int)src_pixels_per_line - 1 * (int)pixel_step] * vp8_filter[19]) +
((int)src_ptr[ 1 * (int)src_pixels_per_line + 0 * (int)pixel_step] * vp8_filter[20]) +
((int)src_ptr[ 1 * (int)src_pixels_per_line + 1 * (int)pixel_step] * vp8_filter[21]) +
((int)src_ptr[ 1 * (int)src_pixels_per_line + 2 * (int)pixel_step] * vp8_filter[22]) +
((int)src_ptr[ 1 * (int)src_pixels_per_line + 3 * (int)pixel_step] * vp8_filter[23]) +
((int)src_ptr[ 2 * (int)src_pixels_per_line - 2 * (int)pixel_step] * vp8_filter[24]) +
((int)src_ptr[ 2 * (int)src_pixels_per_line - 1 * (int)pixel_step] * vp8_filter[25]) +
((int)src_ptr[ 2 * (int)src_pixels_per_line + 0 * (int)pixel_step] * vp8_filter[26]) +
((int)src_ptr[ 2 * (int)src_pixels_per_line + 1 * (int)pixel_step] * vp8_filter[27]) +
((int)src_ptr[ 2 * (int)src_pixels_per_line + 2 * (int)pixel_step] * vp8_filter[28]) +
((int)src_ptr[ 2 * (int)src_pixels_per_line + 3 * (int)pixel_step] * vp8_filter[29]) +
((int)src_ptr[ 3 * (int)src_pixels_per_line - 2 * (int)pixel_step] * vp8_filter[30]) +
((int)src_ptr[ 3 * (int)src_pixels_per_line - 1 * (int)pixel_step] * vp8_filter[31]) +
((int)src_ptr[ 3 * (int)src_pixels_per_line + 0 * (int)pixel_step] * vp8_filter[32]) +
((int)src_ptr[ 3 * (int)src_pixels_per_line + 1 * (int)pixel_step] * vp8_filter[33]) +
((int)src_ptr[ 3 * (int)src_pixels_per_line + 2 * (int)pixel_step] * vp8_filter[34]) +
((int)src_ptr[ 3 * (int)src_pixels_per_line + 3 * (int)pixel_step] * vp8_filter[35]) +
(VP8_FILTER_WEIGHT >> 1); /* Rounding */
#endif
Temp = Temp >> VP8_FILTER_SHIFT;
if (Temp < 0)
Temp = 0;
else if (Temp > 255)
Temp = 255;
*output_ptr = Temp;
}
static void filter_edge_pixel
(
unsigned char *src_ptr,
unsigned char *output_ptr,
unsigned int src_pixels_per_line,
unsigned int pixel_step,
int xoffset,
int yoffset
)
{
const short *vp8_filter=vp8_sub_pel_filters_ns[xoffset+8*yoffset];
filter_non_separable(src_ptr, output_ptr, src_pixels_per_line, pixel_step, vp8_filter);
}
static void get_sobel_grads(unsigned char *src_ptr, int width, int height,
unsigned int src_pixels_per_line,
unsigned int *sum_g)
{
/* Assume that the block always has extension of at least 1 */
int i, j;
int gx, gy, gd, ga;
unsigned char *prev = src_ptr-src_pixels_per_line;
unsigned char *prev2 = src_ptr-2*src_pixels_per_line;
unsigned char *curr = src_ptr;
unsigned char *next = src_ptr+src_pixels_per_line;
unsigned char *next2 = src_ptr+2*src_pixels_per_line;
sum_g[0] = sum_g[1] = sum_g[2] = sum_g[3] = 0;
for (i=0; i<height; ++i)
{
for (j=0; j<width; ++j)
{
gx = abs((prev[1]-prev[-1])+((curr[1]-curr[-1])*2)+(next[1]-next[-1]));
gy = abs((prev[-1]-next[-1])+((prev[0]-next[0])*2)+(prev[1]-next[1]));
gd = abs((curr[2]-prev2[0])+((next[1]-prev[-1])*2)+(next2[0]-curr[-2]));
ga = abs((curr[2]-next2[0])+((prev[1]-next[-1])*2)+(prev2[0]-curr[-2]));
sum_g[0] += (gx>EDGE_GRAD_THRESH*4);
sum_g[1] += (gy>EDGE_GRAD_THRESH*4);
sum_g[2] += (gd>EDGE_GRAD_THRESH*4);
sum_g[3] += (ga>EDGE_GRAD_THRESH*4);
prev++;
prev2++;
curr++;
next++;
next2++;
}
prev += src_pixels_per_line-width;
curr += src_pixels_per_line-width;
next += src_pixels_per_line-width;
prev2 += src_pixels_per_line-width;
next2 += src_pixels_per_line-width;
}
}
static int edge_pixel_detected(unsigned char *src_ptr, int src_pitch)
{
unsigned int ng[4];
get_sobel_grads(src_ptr, 2, 2, src_pitch, ng);
return (ng[0] + ng[1] + ng[2] + ng[3] > EDGE_GRADS2X2_THRESH);
}
static int edge_pixel_detected_simple(unsigned char *src_ptr, int src_pitch)
{
int gmax, gmin, gmax2, gmin2;
if (src_ptr[0]>src_ptr[1])
{
gmax=src_ptr[0];
gmin=src_ptr[1];
}
else
{
gmax=src_ptr[1];
gmin=src_ptr[0];
}
src_ptr += src_pitch;
if (src_ptr[0]>src_ptr[1])
{
gmax2=src_ptr[0];
gmin2=src_ptr[1];
}
else
{
gmax2=src_ptr[1];
gmin2=src_ptr[0];
}
if (gmax2>gmax) gmax=gmax2;
if (gmin2<gmin) gmin=gmin2;
return (gmax - gmin > EDGE_SIMPLE_THRESH);
}
void vp8_edge_pixel_interpolation
(
unsigned char *src_ptr,
int src_pixels_per_line,
int width,
int height,
int xoffset,
int yoffset,
unsigned char *dst_ptr,
int dst_pitch
)
{
unsigned char *sp = src_ptr;
unsigned char *dp = dst_ptr;
int i, j;
for (i = 0; i < height; ++i, sp+=src_pixels_per_line-width, dp+=dst_pitch-width)
for (j = 0; j < width; ++j, ++sp, ++dp)
{
if (edge_pixel_detected(sp, src_pixels_per_line))
{
filter_edge_pixel(sp, dp, src_pixels_per_line, 1, xoffset, yoffset);
}
}
}
#endif // EDGE_PIXEL_FILTER
/*
* The only functional difference between filter_block2d_second_pass()
* and this function is that filter_block2d_second_pass() does a sixtap
* filter on the input and stores it in the output. This function
* (filter_block2d_second_pass_avg()) does a sixtap filter on the input,
* and then averages that with the content already present in the output
* ((filter_result + dest + 1) >> 1) and stores that in the output.
*/
static void filter_block2d_second_pass_avg
(
int *src_ptr,
unsigned char *output_ptr,
int output_pitch,
unsigned int src_pixels_per_line,
unsigned int pixel_step,
unsigned int output_height,
unsigned int output_width,
const short *vp8_filter
)
{
unsigned int i, j;
int Temp;
for (i = 0; i < output_height; i++)
{
for (j = 0; j < output_width; j++)
{
/* Apply filter */
#if INTERP_EXTEND == 3
Temp = ((int)src_ptr[-2 * (int)pixel_step] * vp8_filter[0]) +
((int)src_ptr[-1 * (int)pixel_step] * vp8_filter[1]) +
((int)src_ptr[0] * vp8_filter[2]) +
((int)src_ptr[pixel_step] * vp8_filter[3]) +
((int)src_ptr[2*pixel_step] * vp8_filter[4]) +
((int)src_ptr[3*pixel_step] * vp8_filter[5]) +
(VP8_FILTER_WEIGHT >> 1); /* Rounding */
#elif INTERP_EXTEND == 4
Temp = ((int)src_ptr[-3 * (int)pixel_step] * vp8_filter[0]) +
((int)src_ptr[-2 * (int)pixel_step] * vp8_filter[1]) +
((int)src_ptr[-1 * (int)pixel_step] * vp8_filter[2]) +
((int)src_ptr[0] * vp8_filter[3]) +
((int)src_ptr[pixel_step] * vp8_filter[4]) +
((int)src_ptr[2 * pixel_step] * vp8_filter[5]) +
((int)src_ptr[3 * pixel_step] * vp8_filter[6]) +
((int)src_ptr[4 * pixel_step] * vp8_filter[7]) +
(VP8_FILTER_WEIGHT >> 1); /* Rounding */
#elif INTERP_EXTEND == 5
Temp = ((int)src_ptr[-4 * (int)pixel_step] * vp8_filter[0]) +
((int)src_ptr[-3 * (int)pixel_step] * vp8_filter[1]) +
((int)src_ptr[-2 * (int)pixel_step] * vp8_filter[2]) +
((int)src_ptr[-1 * (int)pixel_step] * vp8_filter[3]) +
((int)src_ptr[0] * vp8_filter[4]) +
((int)src_ptr[pixel_step] * vp8_filter[5]) +
((int)src_ptr[2 * pixel_step] * vp8_filter[6]) +
((int)src_ptr[3 * pixel_step] * vp8_filter[7]) +
((int)src_ptr[4 * pixel_step] * vp8_filter[8]) +
((int)src_ptr[5 * pixel_step] * vp8_filter[9]) +
(VP8_FILTER_WEIGHT >> 1); /* Rounding */
#endif
/* Normalize back to 0-255 */
Temp = Temp >> VP8_FILTER_SHIFT;
if (Temp < 0)
Temp = 0;
else if (Temp > 255)
Temp = 255;
output_ptr[j] = (unsigned char) ((output_ptr[j] + Temp + 1) >> 1);
src_ptr++;
}
/* Start next row */
src_ptr += src_pixels_per_line - output_width;
output_ptr += output_pitch;
}
}
static void filter_block2d
(
unsigned char *src_ptr,
unsigned char *output_ptr,
unsigned int src_pixels_per_line,
int output_pitch,
const short *HFilter,
const short *VFilter
)
{
int FData[(3+INTERP_EXTEND*2)*4]; /* Temp data buffer used in filtering */
#ifdef ANNOUNCE_FUNCTION
printf("vp8_block2d\n");
#endif
/* First filter 1-D horizontally... */
filter_block2d_first_pass(src_ptr - ((INTERP_EXTEND-1) * src_pixels_per_line), FData, src_pixels_per_line, 1,
3+INTERP_EXTEND*2, 4, HFilter);
/* then filter verticaly... */
filter_block2d_second_pass(FData + 4*(INTERP_EXTEND-1), output_ptr, output_pitch, 4, 4, 4, 4, VFilter);
}
void vp8_sixtap_predict_c
(
unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
unsigned char *dst_ptr,
int dst_pitch
)
{
const short *HFilter;
const short *VFilter;
#ifdef ANNOUNCE_FUNCTION
printf("vp8_sixtap_predict_c\n");
#endif
HFilter = vp8_sub_pel_filters[xoffset]; /* 6 tap */
VFilter = vp8_sub_pel_filters[yoffset]; /* 6 tap */
filter_block2d(src_ptr, dst_ptr, src_pixels_per_line, dst_pitch, HFilter, VFilter);
#if CONFIG_ENHANCED_INTERP && EDGE_PIXEL_FILTER > 0
vp8_edge_pixel_interpolation(src_ptr, src_pixels_per_line, 4, 4,
xoffset, yoffset, dst_ptr, dst_pitch);
#endif
}
void vp8_sixtap_predict8x8_c
(
unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
unsigned char *dst_ptr,
int dst_pitch
)
{
const short *HFilter;
const short *VFilter;
// int FData[(7+INTERP_EXTEND*2)*16]; /* Temp data buffer used in filtering */
int FData[(7+INTERP_EXTEND*2)*8]; /* Temp data buffer used in filtering */
#ifdef ANNOUNCE_FUNCTION
printf("vp8_sixtap_predict8x8_c\n");
#endif
HFilter = vp8_sub_pel_filters[xoffset]; /* 6 tap */
VFilter = vp8_sub_pel_filters[yoffset]; /* 6 tap */
/* First filter 1-D horizontally... */
filter_block2d_first_pass(src_ptr - ((INTERP_EXTEND-1) * src_pixels_per_line), FData, src_pixels_per_line, 1,
7+INTERP_EXTEND*2, 8, HFilter);
/* then filter verticaly... */
filter_block2d_second_pass(FData + 8*(INTERP_EXTEND-1), dst_ptr, dst_pitch, 8, 8, 8, 8, VFilter);
#if CONFIG_ENHANCED_INTERP && EDGE_PIXEL_FILTER > 0
vp8_edge_pixel_interpolation(src_ptr, src_pixels_per_line, 8, 8,
xoffset, yoffset, dst_ptr, dst_pitch);
#endif
}
void vp8_sixtap_predict_avg8x8_c
(
unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
unsigned char *dst_ptr,
int dst_pitch
)
{
const short *HFilter;
const short *VFilter;
// int FData[(7+INTERP_EXTEND*2)*16]; /* Temp data buffer used in filtering */
int FData[(7+INTERP_EXTEND*2)*8]; /* Temp data buffer used in filtering */
#ifdef ANNOUNCE_FUNCTION
printf("vp8_sixtap_predict_avg8x8_c\n");
#endif
HFilter = vp8_sub_pel_filters[xoffset]; /* 6 tap */
VFilter = vp8_sub_pel_filters[yoffset]; /* 6 tap */
/* First filter 1-D horizontally... */
filter_block2d_first_pass(src_ptr - ((INTERP_EXTEND-1) * src_pixels_per_line), FData, src_pixels_per_line, 1,
7+INTERP_EXTEND*2, 8, HFilter);
/* then filter verticaly... */
filter_block2d_second_pass_avg(FData + 8*(INTERP_EXTEND-1), dst_ptr, dst_pitch, 8, 8, 8, 8, VFilter);
#if CONFIG_ENHANCED_INTERP && EDGE_PIXEL_FILTER > 0
vp8_edge_pixel_interpolation(src_ptr, src_pixels_per_line, 8, 8,
xoffset, yoffset, dst_ptr, dst_pitch);
#endif
}
void vp8_sixtap_predict8x4_c
(
unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
unsigned char *dst_ptr,
int dst_pitch
)
{
const short *HFilter;
const short *VFilter;
// int FData[(7+INTERP_EXTEND*2)*16]; /* Temp data buffer used in filtering */
int FData[(3+INTERP_EXTEND*2)*8]; /* Temp data buffer used in filtering */
#ifdef ANNOUNCE_FUNCTION
printf("vp8_sixtap_predict8x4_c\n");
#endif
HFilter = vp8_sub_pel_filters[xoffset]; /* 6 tap */
VFilter = vp8_sub_pel_filters[yoffset]; /* 6 tap */
/* First filter 1-D horizontally... */
filter_block2d_first_pass(src_ptr - ((INTERP_EXTEND-1) * src_pixels_per_line), FData, src_pixels_per_line, 1,
3+INTERP_EXTEND*2, 8, HFilter);
/* then filter verticaly... */
filter_block2d_second_pass(FData + 8*(INTERP_EXTEND-1), dst_ptr, dst_pitch, 8, 8, 4, 8, VFilter);
#if CONFIG_ENHANCED_INTERP && EDGE_PIXEL_FILTER > 0
vp8_edge_pixel_interpolation(src_ptr, src_pixels_per_line, 8, 4,
xoffset, yoffset, dst_ptr, dst_pitch);
#endif
}
void vp8_sixtap_predict16x16_c
(
unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
unsigned char *dst_ptr,
int dst_pitch
)
{
const short *HFilter;
const short *VFilter;
// int FData[(15+INTERP_EXTEND*2)*24]; /* Temp data buffer used in filtering */
int FData[(15+INTERP_EXTEND*2)*16]; /* Temp data buffer used in filtering */
#ifdef ANNOUNCE_FUNCTION
printf("vp8_sixtap_predict16x16_c\n");
#endif
HFilter = vp8_sub_pel_filters[xoffset]; /* 6 tap */
VFilter = vp8_sub_pel_filters[yoffset]; /* 6 tap */
/* First filter 1-D horizontally... */
filter_block2d_first_pass(src_ptr - ((INTERP_EXTEND-1) * src_pixels_per_line), FData, src_pixels_per_line, 1,
15+INTERP_EXTEND*2, 16, HFilter);
/* then filter verticaly... */
filter_block2d_second_pass(FData + 16*(INTERP_EXTEND-1), dst_ptr, dst_pitch, 16, 16, 16, 16, VFilter);
#if CONFIG_ENHANCED_INTERP && EDGE_PIXEL_FILTER > 0
vp8_edge_pixel_interpolation(src_ptr, src_pixels_per_line, 16, 16,
xoffset, yoffset, dst_ptr, dst_pitch);
#endif
}
void vp8_sixtap_predict_avg16x16_c
(
unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
unsigned char *dst_ptr,
int dst_pitch
)
{
const short *HFilter;
const short *VFilter;
// int FData[(15+INTERP_EXTEND*2)*24]; /* Temp data buffer used in filtering */
int FData[(15+INTERP_EXTEND*2)*16]; /* Temp data buffer used in filtering */
#ifdef ANNOUNCE_FUNCTION
printf("vp8_sixtap_predict_avg16x16_c\n");
#endif
HFilter = vp8_sub_pel_filters[xoffset]; /* 6 tap */
VFilter = vp8_sub_pel_filters[yoffset]; /* 6 tap */
/* First filter 1-D horizontally... */
filter_block2d_first_pass(src_ptr - ((INTERP_EXTEND-1) * src_pixels_per_line), FData,
src_pixels_per_line, 1, 15+INTERP_EXTEND*2, 16, HFilter);
/* then filter verticaly... */
filter_block2d_second_pass_avg(FData + 16*(INTERP_EXTEND-1), dst_ptr, dst_pitch,
16, 16, 16, 16, VFilter);
#if CONFIG_ENHANCED_INTERP && EDGE_PIXEL_FILTER > 0
vp8_edge_pixel_interpolation(src_ptr, src_pixels_per_line, 16, 16,
xoffset, yoffset, dst_ptr, dst_pitch);
#endif
}
/****************************************************************************
*
* ROUTINE : filter_block2d_bil_first_pass
*
* INPUTS : UINT8 *src_ptr : Pointer to source block.
* UINT32 src_stride : Stride of source block.
* UINT32 height : Block height.
* UINT32 width : Block width.
* INT32 *vp8_filter : Array of 2 bi-linear filter taps.
*
* OUTPUTS : INT32 *dst_ptr : Pointer to filtered block.
*
* RETURNS : void
*
* FUNCTION : Applies a 1-D 2-tap bi-linear filter to the source block
* in the horizontal direction to produce the filtered output
* block. Used to implement first-pass of 2-D separable filter.
*
* SPECIAL NOTES : Produces INT32 output to retain precision for next pass.
* Two filter taps should sum to VP8_FILTER_WEIGHT.
*
****************************************************************************/
static void filter_block2d_bil_first_pass
(
unsigned char *src_ptr,
unsigned short *dst_ptr,
unsigned int src_stride,
unsigned int height,
unsigned int width,
const short *vp8_filter
)
{
unsigned int i, j;
for (i = 0; i < height; i++)
{
for (j = 0; j < width; j++)
{
/* Apply bilinear filter */
dst_ptr[j] = (((int)src_ptr[0] * vp8_filter[0]) +
((int)src_ptr[1] * vp8_filter[1]) +
(VP8_FILTER_WEIGHT / 2)) >> VP8_FILTER_SHIFT;
src_ptr++;
}
/* Next row... */
src_ptr += src_stride - width;
dst_ptr += width;
}
}
/****************************************************************************
*
* ROUTINE : filter_block2d_bil_second_pass
*
* INPUTS : INT32 *src_ptr : Pointer to source block.
* UINT32 dst_pitch : Destination block pitch.
* UINT32 height : Block height.
* UINT32 width : Block width.
* INT32 *vp8_filter : Array of 2 bi-linear filter taps.
*
* OUTPUTS : UINT16 *dst_ptr : Pointer to filtered block.
*
* RETURNS : void
*
* FUNCTION : Applies a 1-D 2-tap bi-linear filter to the source block
* in the vertical direction to produce the filtered output
* block. Used to implement second-pass of 2-D separable filter.
*
* SPECIAL NOTES : Requires 32-bit input as produced by filter_block2d_bil_first_pass.
* Two filter taps should sum to VP8_FILTER_WEIGHT.
*
****************************************************************************/
static void filter_block2d_bil_second_pass
(
unsigned short *src_ptr,
unsigned char *dst_ptr,
int dst_pitch,
unsigned int height,
unsigned int width,
const short *vp8_filter
)
{
unsigned int i, j;
int Temp;
for (i = 0; i < height; i++)
{
for (j = 0; j < width; j++)
{
/* Apply filter */
Temp = ((int)src_ptr[0] * vp8_filter[0]) +
((int)src_ptr[width] * vp8_filter[1]) +
(VP8_FILTER_WEIGHT / 2);
dst_ptr[j] = (unsigned int)(Temp >> VP8_FILTER_SHIFT);
src_ptr++;
}
/* Next row... */
dst_ptr += dst_pitch;
}
}
/*
* As before for filter_block2d_second_pass_avg(), the functional difference
* between filter_block2d_bil_second_pass() and filter_block2d_bil_second_pass_avg()
* is that filter_block2d_bil_second_pass() does a bilinear filter on input
* and stores the result in output; filter_block2d_bil_second_pass_avg(),
* instead, does a bilinear filter on input, averages the resulting value
* with the values already present in the output and stores the result of
* that back into the output ((filter_result + dest + 1) >> 1).
*/
static void filter_block2d_bil_second_pass_avg
(
unsigned short *src_ptr,
unsigned char *dst_ptr,
int dst_pitch,
unsigned int height,
unsigned int width,
const short *vp8_filter
)
{
unsigned int i, j;
int Temp;
for (i = 0; i < height; i++)
{
for (j = 0; j < width; j++)
{
/* Apply filter */
Temp = ((int)src_ptr[0] * vp8_filter[0]) +
((int)src_ptr[width] * vp8_filter[1]) +
(VP8_FILTER_WEIGHT / 2);
dst_ptr[j] = (unsigned int)(((Temp >> VP8_FILTER_SHIFT) + dst_ptr[j] + 1) >> 1);
src_ptr++;
}
/* Next row... */
dst_ptr += dst_pitch;
}
}
/****************************************************************************
*
* ROUTINE : filter_block2d_bil
*
* INPUTS : UINT8 *src_ptr : Pointer to source block.
* UINT32 src_pitch : Stride of source block.
* UINT32 dst_pitch : Stride of destination block.
* INT32 *HFilter : Array of 2 horizontal filter taps.
* INT32 *VFilter : Array of 2 vertical filter taps.
* INT32 Width : Block width
* INT32 Height : Block height
*
* OUTPUTS : UINT16 *dst_ptr : Pointer to filtered block.
*
* RETURNS : void
*
* FUNCTION : 2-D filters an input block by applying a 2-tap
* bi-linear filter horizontally followed by a 2-tap
* bi-linear filter vertically on the result.
*
* SPECIAL NOTES : The largest block size can be handled here is 16x16
*
****************************************************************************/
static void filter_block2d_bil
(
unsigned char *src_ptr,
unsigned char *dst_ptr,
unsigned int src_pitch,
unsigned int dst_pitch,
const short *HFilter,
const short *VFilter,
int Width,
int Height
)
{
unsigned short FData[17*16]; /* Temp data buffer used in filtering */
/* First filter 1-D horizontally... */
filter_block2d_bil_first_pass(src_ptr, FData, src_pitch, Height + 1, Width, HFilter);
/* then 1-D vertically... */
filter_block2d_bil_second_pass(FData, dst_ptr, dst_pitch, Height, Width, VFilter);
}
static void filter_block2d_bil_avg
(
unsigned char *src_ptr,
unsigned char *dst_ptr,
unsigned int src_pitch,
unsigned int dst_pitch,
const short *HFilter,
const short *VFilter,
int Width,
int Height
)
{
unsigned short FData[17*16]; /* Temp data buffer used in filtering */
/* First filter 1-D horizontally... */
filter_block2d_bil_first_pass(src_ptr, FData, src_pitch, Height + 1, Width, HFilter);
/* then 1-D vertically... */
filter_block2d_bil_second_pass_avg(FData, dst_ptr, dst_pitch, Height, Width, VFilter);
}
void vp8_bilinear_predict4x4_c
(
unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
unsigned char *dst_ptr,
int dst_pitch
)
{
const short *HFilter;
const short *VFilter;
HFilter = vp8_bilinear_filters[xoffset];
VFilter = vp8_bilinear_filters[yoffset];
#if 0
{
int i;
unsigned char temp1[16];
unsigned char temp2[16];
bilinear_predict4x4_mmx(src_ptr, src_pixels_per_line, xoffset, yoffset, temp1, 4);
filter_block2d_bil(src_ptr, temp2, src_pixels_per_line, 4, HFilter, VFilter, 4, 4);
for (i = 0; i < 16; i++)
{
if (temp1[i] != temp2[i])
{
bilinear_predict4x4_mmx(src_ptr, src_pixels_per_line, xoffset, yoffset, temp1, 4);
filter_block2d_bil(src_ptr, temp2, src_pixels_per_line, 4, HFilter, VFilter, 4, 4);
}
}
}
#endif
filter_block2d_bil(src_ptr, dst_ptr, src_pixels_per_line, dst_pitch, HFilter, VFilter, 4, 4);
}
void vp8_bilinear_predict8x8_c
(
unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
unsigned char *dst_ptr,
int dst_pitch
)
{
const short *HFilter;
const short *VFilter;
HFilter = vp8_bilinear_filters[xoffset];
VFilter = vp8_bilinear_filters[yoffset];
filter_block2d_bil(src_ptr, dst_ptr, src_pixels_per_line, dst_pitch, HFilter, VFilter, 8, 8);
}
void vp8_bilinear_predict_avg8x8_c
(
unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
unsigned char *dst_ptr,
int dst_pitch
)
{
const short *HFilter;
const short *VFilter;
HFilter = vp8_bilinear_filters[xoffset];
VFilter = vp8_bilinear_filters[yoffset];
filter_block2d_bil_avg(src_ptr, dst_ptr, src_pixels_per_line,
dst_pitch, HFilter, VFilter, 8, 8);
}
void vp8_bilinear_predict8x4_c
(
unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
unsigned char *dst_ptr,
int dst_pitch
)
{
const short *HFilter;
const short *VFilter;
HFilter = vp8_bilinear_filters[xoffset];
VFilter = vp8_bilinear_filters[yoffset];
filter_block2d_bil(src_ptr, dst_ptr, src_pixels_per_line, dst_pitch, HFilter, VFilter, 8, 4);
}
void vp8_bilinear_predict16x16_c
(
unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
unsigned char *dst_ptr,
int dst_pitch
)
{
const short *HFilter;
const short *VFilter;
HFilter = vp8_bilinear_filters[xoffset];
VFilter = vp8_bilinear_filters[yoffset];
filter_block2d_bil(src_ptr, dst_ptr, src_pixels_per_line, dst_pitch, HFilter, VFilter, 16, 16);
}
void vp8_bilinear_predict_avg16x16_c
(
unsigned char *src_ptr,
int src_pixels_per_line,
int xoffset,
int yoffset,
unsigned char *dst_ptr,
int dst_pitch
)
{
const short *HFilter;
const short *VFilter;
HFilter = vp8_bilinear_filters[xoffset];
VFilter = vp8_bilinear_filters[yoffset];
filter_block2d_bil_avg(src_ptr, dst_ptr, src_pixels_per_line,
dst_pitch, HFilter, VFilter, 16, 16);
}
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