| /* |
| * 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" |
| |
| DECLARE_ALIGNED(16, const short, vp8_bilinear_filters[8][2]) = |
| { |
| { 128, 0 }, |
| { 112, 16 }, |
| { 96, 32 }, |
| { 80, 48 }, |
| { 64, 64 }, |
| { 48, 80 }, |
| { 32, 96 }, |
| { 16, 112 } |
| }; |
| |
| #if CONFIG_ENHANCED_INTERP |
| #define FILTER_ALPHA 875 |
| DECLARE_ALIGNED(16, const short, vp8_sub_pel_filters[8][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 FILTER_ALPHA == 90 |
| /* alpha = 0.9 */ |
| { 0, 0, 0, 128, 0, 0, 0, 0}, |
| {-3, 6, -13, 126, 18, -8, 5, -3}, |
| {-6, 11, -22, 118, 39, -16, 9, -5}, |
| {-8, 14, -27, 104, 62, -23, 13, -7}, |
| {-8, 14, -27, 85, 85, -27, 14, -8}, |
| {-7, 13, -23, 62, 104, -27, 14, -8}, |
| {-5, 9, -16, 39, 118, -22, 11, -6}, |
| {-3, 5, -8, 18, 126, -13, 6, -3} |
| #elif FILTER_ALPHA == 875 |
| /* alpha = 0.875 */ |
| { 0, 0, 0, 128, 0, 0, 0, 0}, |
| {-3, 6, -13, 126, 18, -8, 4, -2}, |
| {-5, 10, -22, 118, 39, -16, 9, -5}, |
| {-7, 13, -26, 104, 62, -23, 12, -7}, |
| {-7, 13, -27, 85, 85, -27, 13, -7}, |
| {-7, 12, -23, 62, 104, -26, 13, -7}, |
| {-5, 9, -16, 39, 118, -22, 10, -5}, |
| {-2, 4, -8, 18, 126, -13, 6, -3} |
| #elif FILTER_ALPHA == 85 |
| /* alpha = 0.85 */ |
| { 0, 0, 0, 128, 0, 0, 0, 0}, |
| {-2, 5, -12, 124, 18, -7, 4, -2}, |
| {-4, 10, -20, 114, 39, -15, 8, -4}, |
| {-5, 12, -24, 100, 60, -21, 11, -5}, |
| {-5, 12, -24, 81, 81, -24, 12, -5}, |
| {-5, 11, -21, 60, 100, -24, 12, -5}, |
| {-4, 8, -15, 39, 114, -20, 10, -4}, |
| {-2, 4, -7, 18, 124, -12, 5, -2} |
| #endif |
| }; |
| |
| #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[64][4*EDGE_PIXEL_FILTER_EXTEND*EDGE_PIXEL_FILTER_EXTEND]) = |
| { |
| #if EDGE_PIXEL_FILTER_EXTEND == 4 |
| {0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, -8, 124, 13, -1, 0, 0, 0, 0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, -11, 112, 30, -3, 0, 0, 0, 0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, -11, 94, 51, -6, 0, 0, 0, 0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, -9, 73, 73, -9, 0, 0, 0, 0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, -6, 51, 94, -11, 0, 0, 0, 0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, -3, 30, 112, -11, 0, 0, 0, 0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, -1, 13, 124, -8, 0, 0, 0, 0, 0, 0, 0, 0}, |
| {0, -8, 0, 0, 0, 124, 0, 0, 0, 13, 0, 0, 0, -1, 0, 0}, |
| {0, -8, -1, 0, -7, 120, 12, 0, -1, 12, 1, 0, 0, 0, 0, 0}, |
| {1, -7, -2, 0, -11, 108, 29, -3, -1, 11, 3, 0, 0, 0, 0, 0}, |
| {0, -6, -3, 0, -10, 91, 49, -6, -1, 9, 5, 0, 0, 0, 0, 0}, |
| {0, -4, -4, 0, -8, 70, 70, -8, -1, 7, 7, -1, 0, 0, 0, 0}, |
| {0, -3, -6, 0, -6, 49, 91, -10, 0, 5, 9, -1, 0, 0, 0, 0}, |
| {0, -2, -7, 1, -3, 29, 108, -11, 0, 3, 11, -1, 0, 0, 0, 0}, |
| {0, -1, -8, 0, 0, 12, 120, -7, 0, 1, 12, -1, 0, 0, 0, 0}, |
| {0, -11, 0, 0, 0, 112, 0, 0, 0, 30, 0, 0, 0, -3, 0, 0}, |
| {1, -11, -1, 0, -7, 108, 11, 0, -2, 29, 3, 0, 0, -3, 0, 0}, |
| {1, -10, -2, 0, -10, 98, 26, -3, -2, 26, 7, 0, 0, -3, 0, 0}, |
| {1, -8, -4, 0, -10, 82, 44, -5, -2, 22, 12, -1, 0, -2, -1, 0}, |
| {0, -6, -6, 0, -7, 64, 64, -7, -2, 17, 17, -2, 0, -2, -2, 0}, |
| {0, -4, -8, 1, -5, 44, 82, -10, -1, 12, 22, -2, 0, -1, -2, 0}, |
| {0, -2, -10, 1, -3, 26, 98, -10, 0, 7, 26, -2, 0, 0, -3, 0}, |
| {0, -1, -11, 1, 0, 11, 108, -7, 0, 3, 29, -2, 0, 0, -3, 0}, |
| {0, -11, 0, 0, 0, 94, 0, 0, 0, 51, 0, 0, 0, -6, 0, 0}, |
| {0, -10, -1, 0, -6, 91, 9, 0, -3, 49, 5, 0, 0, -6, 0, 0}, |
| {1, -10, -2, 0, -8, 82, 22, -2, -4, 44, 12, -1, 0, -5, -1, 0}, |
| {0, -8, -4, 0, -8, 70, 37, -4, -4, 37, 20, -2, 0, -4, -2, 0}, |
| {0, -6, -6, 0, -6, 54, 54, -6, -3, 28, 28, -3, 0, -3, -3, 0}, |
| {0, -4, -8, 0, -4, 37, 70, -8, -2, 20, 37, -4, 0, -2, -4, 0}, |
| {0, -2, -10, 1, -2, 22, 82, -8, -1, 12, 44, -4, 0, -1, -5, 0}, |
| {0, -1, -10, 0, 0, 9, 91, -6, 0, 5, 49, -3, 0, 0, -6, 0}, |
| {0, -9, 0, 0, 0, 73, 0, 0, 0, 73, 0, 0, 0, -9, 0, 0}, |
| {0, -8, -1, 0, -4, 70, 7, 0, -4, 70, 7, 0, 0, -8, -1, 0}, |
| {0, -7, -2, 0, -6, 64, 17, -2, -6, 64, 17, -2, 0, -7, -2, 0}, |
| {0, -6, -3, 0, -6, 54, 28, -3, -6, 54, 28, -3, 0, -6, -3, 0}, |
| {0, -5, -5, 0, -5, 42, 42, -5, -5, 42, 42, -5, 0, -5, -5, 0}, |
| {0, -3, -6, 0, -3, 28, 54, -6, -3, 28, 54, -6, 0, -3, -6, 0}, |
| {0, -2, -7, 0, -2, 17, 64, -6, -2, 17, 64, -6, 0, -2, -7, 0}, |
| {0, -1, -8, 0, 0, 7, 70, -4, 0, 7, 70, -4, 0, -1, -8, 0}, |
| {0, -6, 0, 0, 0, 51, 0, 0, 0, 94, 0, 0, 0, -11, 0, 0}, |
| {0, -6, 0, 0, -3, 49, 5, 0, -6, 91, 9, 0, 0, -10, -1, 0}, |
| {0, -5, -1, 0, -4, 44, 12, -1, -8, 82, 22, -2, 1, -10, -2, 0}, |
| {0, -4, -2, 0, -4, 37, 20, -2, -8, 70, 37, -4, 0, -8, -4, 0}, |
| {0, -3, -3, 0, -3, 28, 28, -3, -6, 54, 54, -6, 0, -6, -6, 0}, |
| {0, -2, -4, 0, -2, 20, 37, -4, -4, 37, 70, -8, 0, -4, -8, 0}, |
| {0, -1, -5, 0, -1, 12, 44, -4, -2, 22, 82, -8, 0, -2, -10, 1}, |
| {0, 0, -6, 0, 0, 5, 49, -3, 0, 9, 91, -6, 0, -1, -10, 0}, |
| {0, -3, 0, 0, 0, 30, 0, 0, 0, 112, 0, 0, 0, -11, 0, 0}, |
| {0, -3, 0, 0, -2, 29, 3, 0, -7, 108, 11, 0, 1, -11, -1, 0}, |
| {0, -3, 0, 0, -2, 26, 7, 0, -10, 98, 26, -3, 1, -10, -2, 0}, |
| {0, -2, -1, 0, -2, 22, 12, -1, -10, 82, 44, -5, 1, -8, -4, 0}, |
| {0, -2, -2, 0, -2, 17, 17, -2, -7, 64, 64, -7, 0, -6, -6, 0}, |
| {0, -1, -2, 0, -1, 12, 22, -2, -5, 44, 82, -10, 0, -4, -8, 1}, |
| {0, 0, -3, 0, 0, 7, 26, -2, -3, 26, 98, -10, 0, -2, -10, 1}, |
| {0, 0, -3, 0, 0, 3, 29, -2, 0, 11, 108, -7, 0, -1, -11, 1}, |
| {0, -1, 0, 0, 0, 13, 0, 0, 0, 124, 0, 0, 0, -8, 0, 0}, |
| {0, 0, 0, 0, -1, 12, 1, 0, -8, 120, 12, 0, 0, -7, -1, 0}, |
| {0, 0, 0, 0, -1, 11, 3, 0, -11, 108, 29, -3, 1, -7, -2, 0}, |
| {0, 0, 0, 0, -1, 9, 5, 0, -10, 91, 49, -6, 0, -6, -3, 0}, |
| {0, 0, 0, 0, -1, 7, 7, -1, -8, 70, 70, -8, 0, -4, -4, 0}, |
| {0, 0, 0, 0, 0, 5, 9, -1, -6, 49, 91, -10, 0, -3, -6, 0}, |
| {0, 0, 0, 0, 0, 3, 11, -1, -3, 29, 108, -11, 0, -2, -7, 1}, |
| {0, 0, 0, 0, 0, 1, 12, -1, 0, 12, 120, -8, 0, -1, -7, 0} |
| #elif EDGE_PIXEL_FILTER_EXTEND == 6 |
| {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, -11, 124, 15, -4, 1, 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, 4, -17, 114, 34, -9, 2, 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, 4, -19, 98, 56, -14, 3, 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, 4, -18, 78, 78, -18, 4, 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, -14, 56, 98, -19, 4, 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, 2, -9, 34, 114, -17, 4, 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, 1, -4, 15, 124, -11, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, |
| {0, 0, 3, 0, 0, 0, 0, 0, -11, 0, 0, 0, 0, 0, 124, 0, 0, 0, 0, 0, 15, 0, 0, 0, 0, 0, -4, 0, 0, 0, 0, 0, 1, 0, 0, 0}, |
| {0, 0, 3, 0, 0, 0, 0, 1, -11, -1, 0, 0, 3, -11, 121, 15, -4, 0, 0, -1, 15, 2, 0, 0, 0, 0, -4, 0, 0, 0, 0, 0, 0, 0, 0, 0}, |
| {0, 0, 3, 1, 0, 0, 0, 1, -10, -3, 1, 0, 4, -17, 111, 34, -9, 2, 0, -2, 14, 4, -1, 0, 0, 0, -4, -1, 0, 0, 0, 0, 0, 0, 0, 0}, |
| {0, 0, 2, 1, 0, 0, 0, 2, -8, -5, 1, 0, 4, -18, 95, 54, -13, 3, 0, -2, 12, 7, -2, 0, 0, 0, -3, -2, 0, 0, 0, 0, 0, 0, 0, 0}, |
| {0, 0, 2, 2, 0, 0, 0, 1, -7, -7, 1, 0, 4, -17, 76, 76, -17, 4, 0, -2, 9, 9, -2, 0, 0, 0, -2, -2, 0, 0, 0, 0, 0, 0, 0, 0}, |
| {0, 0, 1, 2, 0, 0, 0, 1, -5, -8, 2, 0, 3, -13, 54, 95, -18, 4, 0, -2, 7, 12, -2, 0, 0, 0, -2, -3, 0, 0, 0, 0, 0, 0, 0, 0}, |
| {0, 0, 1, 3, 0, 0, 0, 1, -3, -10, 1, 0, 2, -9, 34, 111, -17, 4, 0, -1, 4, 14, -2, 0, 0, 0, -1, -4, 0, 0, 0, 0, 0, 0, 0, 0}, |
| {0, 0, 0, 3, 0, 0, 0, 0, -1, -11, 1, 0, 0, -4, 15, 121, -11, 3, 0, 0, 2, 15, -1, 0, 0, 0, 0, -4, 0, 0, 0, 0, 0, 0, 0, 0}, |
| {0, 0, 4, 0, 0, 0, 0, 0, -17, 0, 0, 0, 0, 0, 114, 0, 0, 0, 0, 0, 34, 0, 0, 0, 0, 0, -9, 0, 0, 0, 0, 0, 2, 0, 0, 0}, |
| {0, 0, 4, 0, 0, 0, 0, 1, -17, -2, 0, 0, 3, -10, 111, 14, -4, 0, 1, -3, 34, 4, -1, 0, 0, 1, -9, -1, 0, 0, 0, 0, 2, 0, 0, 0}, |
| {0, 0, 4, 1, 0, 0, -1, 2, -15, -5, 1, 0, 4, -15, 101, 31, -8, 1, 1, -5, 31, 9, -2, 0, 0, 1, -8, -2, 1, 0, 0, 0, 1, 0, 0, 0}, |
| {0, -1, 3, 2, 0, 0, -1, 2, -13, -7, 2, 0, 4, -17, 87, 50, -12, 2, 1, -5, 26, 15, -4, 1, 0, 1, -7, -4, 1, 0, 0, 0, 1, 1, 0, 0}, |
| {0, -1, 3, 3, -1, 0, 0, 2, -10, -10, 2, 0, 3, -16, 69, 69, -16, 3, 1, -5, 21, 21, -5, 1, 0, 1, -5, -5, 1, 0, 0, 0, 1, 1, 0, 0}, |
| {0, 0, 2, 3, -1, 0, 0, 2, -7, -13, 2, -1, 2, -12, 50, 87, -17, 4, 1, -4, 15, 26, -5, 1, 0, 1, -4, -7, 1, 0, 0, 0, 1, 1, 0, 0}, |
| {0, 0, 1, 4, 0, 0, 0, 1, -5, -15, 2, -1, 1, -8, 31, 101, -15, 4, 0, -2, 9, 31, -5, 1, 0, 1, -2, -8, 1, 0, 0, 0, 0, 1, 0, 0}, |
| {0, 0, 0, 4, 0, 0, 0, 0, -2, -17, 1, 0, 0, -4, 14, 111, -10, 3, 0, -1, 4, 34, -3, 1, 0, 0, -1, -9, 1, 0, 0, 0, 0, 2, 0, 0}, |
| {0, 0, 4, 0, 0, 0, 0, 0, -19, 0, 0, 0, 0, 0, 98, 0, 0, 0, 0, 0, 56, 0, 0, 0, 0, 0, -14, 0, 0, 0, 0, 0, 3, 0, 0, 0}, |
| {0, 0, 4, 0, 0, 0, 0, 2, -18, -2, 0, 0, 2, -8, 95, 12, -3, 0, 1, -5, 54, 7, -2, 0, 0, 1, -13, -2, 0, 0, 0, 0, 3, 0, 0, 0}, |
| {0, -1, 4, 1, 0, 0, -1, 2, -17, -5, 1, 0, 3, -13, 87, 26, -7, 1, 2, -7, 50, 15, -4, 1, 0, 2, -12, -4, 1, 0, 0, 0, 2, 1, 0, 0}, |
| {0, -1, 3, 2, 0, 0, -1, 3, -15, -8, 2, 0, 3, -15, 75, 43, -11, 2, 2, -8, 43, 24, -6, 1, 0, 2, -10, -6, 1, 0, 0, 0, 2, 1, 0, 0}, |
| {0, -1, 3, 3, -1, 0, -1, 2, -12, -12, 2, -1, 3, -13, 59, 59, -13, 3, 2, -8, 34, 34, -8, 2, 0, 2, -8, -8, 2, 0, 0, 0, 2, 2, 0, 0}, |
| {0, 0, 2, 3, -1, 0, 0, 2, -8, -15, 3, -1, 2, -11, 43, 75, -15, 3, 1, -6, 24, 43, -8, 2, 0, 1, -6, -10, 2, 0, 0, 0, 1, 2, 0, 0}, |
| {0, 0, 1, 4, -1, 0, 0, 1, -5, -17, 2, -1, 1, -7, 26, 87, -13, 3, 1, -4, 15, 50, -7, 2, 0, 1, -4, -12, 2, 0, 0, 0, 1, 2, 0, 0}, |
| {0, 0, 0, 4, 0, 0, 0, 0, -2, -18, 2, 0, 0, -3, 12, 95, -8, 2, 0, -2, 7, 54, -5, 1, 0, 0, -2, -13, 1, 0, 0, 0, 0, 3, 0, 0}, |
| {0, 0, 4, 0, 0, 0, 0, 0, -18, 0, 0, 0, 0, 0, 78, 0, 0, 0, 0, 0, 78, 0, 0, 0, 0, 0, -18, 0, 0, 0, 0, 0, 4, 0, 0, 0}, |
| {0, 0, 4, 0, 0, 0, 0, 1, -17, -2, 0, 0, 2, -7, 76, 9, -2, 0, 2, -7, 76, 9, -2, 0, 0, 1, -17, -2, 0, 0, 0, 0, 4, 0, 0, 0}, |
| {0, 0, 3, 1, 0, 0, -1, 2, -16, -5, 1, 0, 3, -10, 69, 21, -5, 1, 3, -10, 69, 21, -5, 1, -1, 2, -16, -5, 1, 0, 0, 0, 3, 1, 0, 0}, |
| {0, -1, 3, 2, 0, 0, -1, 2, -13, -8, 2, 0, 3, -12, 59, 34, -8, 2, 3, -12, 59, 34, -8, 2, -1, 2, -13, -8, 2, 0, 0, -1, 3, 2, 0, 0}, |
| {0, 0, 2, 2, 0, 0, 0, 2, -10, -10, 2, 0, 2, -10, 47, 47, -10, 2, 2, -11, 47, 47, -11, 2, 0, 2, -11, -11, 2, 0, 0, 0, 2, 2, 0, 0}, |
| {0, 0, 2, 3, -1, 0, 0, 2, -8, -13, 2, -1, 2, -8, 34, 59, -12, 3, 2, -8, 34, 59, -12, 3, 0, 2, -8, -13, 2, -1, 0, 0, 2, 3, -1, 0}, |
| {0, 0, 1, 3, 0, 0, 0, 1, -5, -16, 2, -1, 1, -5, 21, 69, -10, 3, 1, -5, 21, 69, -10, 3, 0, 1, -5, -16, 2, -1, 0, 0, 1, 3, 0, 0}, |
| {0, 0, 0, 4, 0, 0, 0, 0, -2, -17, 1, 0, 0, -2, 9, 76, -7, 2, 0, -2, 9, 76, -7, 2, 0, 0, -2, -17, 1, 0, 0, 0, 0, 4, 0, 0}, |
| {0, 0, 3, 0, 0, 0, 0, 0, -14, 0, 0, 0, 0, 0, 56, 0, 0, 0, 0, 0, 98, 0, 0, 0, 0, 0, -19, 0, 0, 0, 0, 0, 4, 0, 0, 0}, |
| {0, 0, 3, 0, 0, 0, 0, 1, -13, -2, 0, 0, 1, -5, 54, 7, -2, 0, 2, -8, 95, 12, -3, 0, 0, 2, -18, -2, 0, 0, 0, 0, 4, 0, 0, 0}, |
| {0, 0, 2, 1, 0, 0, 0, 2, -12, -4, 1, 0, 2, -7, 50, 15, -4, 1, 3, -13, 87, 26, -7, 1, -1, 2, -17, -5, 1, 0, 0, -1, 4, 1, 0, 0}, |
| {0, 0, 2, 1, 0, 0, 0, 2, -11, -6, 1, 0, 2, -8, 43, 24, -6, 1, 3, -15, 75, 43, -10, 2, -1, 3, -15, -8, 2, 0, 0, -1, 3, 2, 0, 0}, |
| {0, 0, 2, 2, 0, 0, 0, 2, -8, -8, 2, 0, 2, -8, 34, 34, -8, 2, 3, -13, 59, 59, -13, 3, -1, 2, -12, -12, 2, -1, 0, -1, 3, 3, -1, 0}, |
| {0, 0, 1, 2, 0, 0, 0, 1, -6, -11, 2, 0, 1, -6, 24, 43, -8, 2, 2, -10, 43, 75, -15, 3, 0, 2, -8, -15, 3, -1, 0, 0, 2, 3, -1, 0}, |
| {0, 0, 1, 2, 0, 0, 0, 1, -4, -12, 2, 0, 1, -4, 15, 50, -7, 2, 1, -7, 26, 87, -13, 3, 0, 1, -5, -17, 2, -1, 0, 0, 1, 4, -1, 0}, |
| {0, 0, 0, 3, 0, 0, 0, 0, -2, -13, 1, 0, 0, -2, 7, 54, -5, 1, 0, -3, 12, 95, -8, 2, 0, 0, -2, -18, 2, 0, 0, 0, 0, 4, 0, 0}, |
| {0, 0, 2, 0, 0, 0, 0, 0, -9, 0, 0, 0, 0, 0, 34, 0, 0, 0, 0, 0, 114, 0, 0, 0, 0, 0, -17, 0, 0, 0, 0, 0, 4, 0, 0, 0}, |
| {0, 0, 2, 0, 0, 0, 0, 1, -9, -1, 0, 0, 1, -3, 34, 4, -1, 0, 3, -10, 111, 14, -4, 0, 0, 1, -17, -2, 0, 0, 0, 0, 4, 0, 0, 0}, |
| {0, 0, 1, 0, 0, 0, 0, 1, -8, -2, 1, 0, 1, -5, 31, 9, -2, 0, 4, -15, 101, 31, -8, 1, 0, 2, -15, -5, 1, 0, 0, -1, 4, 1, 0, 0}, |
| {0, 0, 1, 1, 0, 0, 0, 1, -7, -4, 1, 0, 1, -5, 26, 15, -4, 1, 4, -17, 87, 50, -12, 2, -1, 2, -13, -7, 2, 0, 0, -1, 3, 2, 0, 0}, |
| {0, 0, 1, 1, 0, 0, 0, 1, -5, -5, 1, 0, 1, -5, 21, 21, -5, 1, 3, -16, 69, 69, -16, 3, 0, 2, -10, -10, 2, 0, 0, -1, 3, 3, -1, 0}, |
| {0, 0, 1, 1, 0, 0, 0, 1, -4, -7, 1, 0, 1, -4, 15, 26, -5, 1, 2, -12, 50, 87, -17, 4, 0, 2, -7, -13, 2, -1, 0, 0, 2, 3, -1, 0}, |
| {0, 0, 0, 1, 0, 0, 0, 1, -2, -8, 1, 0, 0, -2, 9, 31, -5, 1, 1, -8, 31, 101, -15, 4, 0, 1, -5, -15, 2, 0, 0, 0, 1, 4, -1, 0}, |
| {0, 0, 0, 2, 0, 0, 0, 0, -1, -9, 1, 0, 0, -1, 4, 34, -3, 1, 0, -4, 14, 111, -10, 3, 0, 0, -2, -17, 1, 0, 0, 0, 0, 4, 0, 0}, |
| {0, 0, 1, 0, 0, 0, 0, 0, -4, 0, 0, 0, 0, 0, 15, 0, 0, 0, 0, 0, 124, 0, 0, 0, 0, 0, -11, 0, 0, 0, 0, 0, 3, 0, 0, 0}, |
| {0, 0, 0, 0, 0, 0, 0, 0, -4, 0, 0, 0, 0, -1, 15, 2, 0, 0, 3, -11, 121, 15, -4, 0, 0, 1, -11, -1, 0, 0, 0, 0, 3, 0, 0, 0}, |
| {0, 0, 0, 0, 0, 0, 0, 0, -4, -1, 0, 0, 0, -2, 14, 4, -1, 0, 4, -17, 111, 34, -9, 2, 0, 1, -10, -3, 1, 0, 0, 0, 3, 1, 0, 0}, |
| {0, 0, 0, 0, 0, 0, 0, 0, -3, -2, 0, 0, 0, -2, 12, 7, -2, 0, 4, -18, 95, 54, -13, 3, 0, 2, -8, -5, 1, 0, 0, 0, 2, 1, 0, 0}, |
| {0, 0, 0, 0, 0, 0, 0, 0, -2, -2, 0, 0, 0, -2, 9, 9, -2, 0, 4, -17, 76, 76, -17, 4, 0, 1, -7, -7, 1, 0, 0, 0, 2, 2, 0, 0}, |
| {0, 0, 0, 0, 0, 0, 0, 0, -2, -3, 0, 0, 0, -2, 7, 12, -2, 0, 3, -13, 54, 95, -18, 4, 0, 1, -5, -8, 2, 0, 0, 0, 1, 2, 0, 0}, |
| {0, 0, 0, 0, 0, 0, 0, 0, -1, -4, 0, 0, 0, -1, 4, 14, -2, 0, 2, -9, 34, 111, -17, 4, 0, 1, -3, -10, 1, 0, 0, 0, 1, 3, 0, 0}, |
| {0, 0, 0, 0, 0, 0, 0, 0, 0, -4, 0, 0, 0, 0, 2, 15, -1, 0, 0, -4, 15, 121, -11, 3, 0, 0, -1, -11, 1, 0, 0, 0, 0, 3, 0, 0} |
| #endif |
| }; |
| |
| #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 */ |
| |
| /* 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; |
| |
| 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 */ |
| |
| 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 */ |
| |
| 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 */ |
| |
| 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 */ |
| |
| |
| 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 */ |
| |
| 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); |
| } |
