1 /* 2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved 3 * 4 * This source code is subject to the terms of the BSD 2 Clause License and 5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License 6 * was not distributed with this source code in the LICENSE file, you can 7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open 8 * Media Patent License 1.0 was not distributed with this source code in the 9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent. 10 */ 11 12 #ifndef AOM_AV1_COMMON_WARPED_MOTION_H_ 13 #define AOM_AV1_COMMON_WARPED_MOTION_H_ 14 15 #include <stdio.h> 16 #include <stdlib.h> 17 #include <memory.h> 18 #include <math.h> 19 #include <assert.h> 20 21 #include "config/aom_config.h" 22 23 #include "aom_ports/mem.h" 24 #include "aom_dsp/aom_dsp_common.h" 25 #include "av1/common/mv.h" 26 #include "av1/common/convolve.h" 27 28 #define MAX_PARAMDIM 9 29 #define LEAST_SQUARES_SAMPLES_MAX_BITS 3 30 #define LEAST_SQUARES_SAMPLES_MAX (1 << LEAST_SQUARES_SAMPLES_MAX_BITS) 31 #define SAMPLES_ARRAY_SIZE (LEAST_SQUARES_SAMPLES_MAX * 2) 32 #define WARPED_MOTION_DEBUG 0 33 #define DEFAULT_WMTYPE AFFINE 34 35 extern const int16_t warped_filter[WARPEDPIXEL_PREC_SHIFTS * 3 + 1][8]; 36 37 static const uint8_t warp_pad_left[14][16] = { 38 { 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, 39 { 2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, 40 { 3, 3, 3, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, 41 { 4, 4, 4, 4, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, 42 { 5, 5, 5, 5, 5, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, 43 { 6, 6, 6, 6, 6, 6, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, 44 { 7, 7, 7, 7, 7, 7, 7, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, 45 { 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 10, 11, 12, 13, 14, 15 }, 46 { 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 11, 12, 13, 14, 15 }, 47 { 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 12, 13, 14, 15 }, 48 { 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 13, 14, 15 }, 49 { 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 14, 15 }, 50 { 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 15 }, 51 { 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15 }, 52 }; 53 54 static const uint8_t warp_pad_right[14][16] = { 55 { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 14 }, 56 { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 13, 13 }, 57 { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 12, 12, 12 }, 58 { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 11, 11, 11, 11 }, 59 { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10, 10, 10, 10 }, 60 { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 9, 9, 9, 9, 9, 9 }, 61 { 0, 1, 2, 3, 4, 5, 6, 7, 8, 8, 8, 8, 8, 8, 8, 8 }, 62 { 0, 1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7 }, 63 { 0, 1, 2, 3, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6 }, 64 { 0, 1, 2, 3, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 }, 65 { 0, 1, 2, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 }, 66 { 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 }, 67 { 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 }, 68 { 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 } 69 }; 70 71 // Returns the error between the result of applying motion 'wm' to the frame 72 // described by 'ref' and the frame described by 'dst'. 73 int64_t av1_warp_error(WarpedMotionParams *wm, int use_hbd, int bd, 74 const uint8_t *ref, int width, int height, int stride, 75 uint8_t *dst, int p_col, int p_row, int p_width, 76 int p_height, int p_stride, int subsampling_x, 77 int subsampling_y, int64_t best_error); 78 79 // Returns the error between the frame described by 'ref' and the frame 80 // described by 'dst'. 81 int64_t av1_frame_error(int use_hbd, int bd, const uint8_t *ref, int stride, 82 uint8_t *dst, int p_width, int p_height, int p_stride); 83 84 void av1_warp_plane(WarpedMotionParams *wm, int use_hbd, int bd, 85 const uint8_t *ref, int width, int height, int stride, 86 uint8_t *pred, int p_col, int p_row, int p_width, 87 int p_height, int p_stride, int subsampling_x, 88 int subsampling_y, ConvolveParams *conv_params); 89 90 int find_projection(int np, int *pts1, int *pts2, BLOCK_SIZE bsize, int mvy, 91 int mvx, WarpedMotionParams *wm_params, int mi_row, 92 int mi_col); 93 94 int get_shear_params(WarpedMotionParams *wm); 95 #endif // AOM_AV1_COMMON_WARPED_MOTION_H_ 96