1 /* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 12 #ifndef VP8_ENCODER_RDOPT_H_ 13 #define VP8_ENCODER_RDOPT_H_ 14 15 #ifdef __cplusplus 16 extern "C" { 17 #endif 18 19 #define RDCOST(RM,DM,R,D) ( ((128+(R)*(RM)) >> 8) + (DM)*(D) ) 20 21 static void insertsortmv(int arr[], int len) 22 { 23 int i, j, k; 24 25 for ( i = 1 ; i <= len-1 ; i++ ) 26 { 27 for ( j = 0 ; j < i ; j++ ) 28 { 29 if ( arr[j] > arr[i] ) 30 { 31 int temp; 32 33 temp = arr[i]; 34 35 for ( k = i; k >j; k--) 36 arr[k] = arr[k - 1] ; 37 38 arr[j] = temp ; 39 } 40 } 41 } 42 } 43 44 static void insertsortsad(int arr[],int idx[], int len) 45 { 46 int i, j, k; 47 48 for ( i = 1 ; i <= len-1 ; i++ ) 49 { 50 for ( j = 0 ; j < i ; j++ ) 51 { 52 if ( arr[j] > arr[i] ) 53 { 54 int temp, tempi; 55 56 temp = arr[i]; 57 tempi = idx[i]; 58 59 for ( k = i; k >j; k--) 60 { 61 arr[k] = arr[k - 1] ; 62 idx[k] = idx[k - 1]; 63 } 64 65 arr[j] = temp ; 66 idx[j] = tempi; 67 } 68 } 69 } 70 } 71 72 extern void vp8_initialize_rd_consts(VP8_COMP *cpi, MACROBLOCK *x, int Qvalue); 73 extern void vp8_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset, int recon_uvoffset, int *returnrate, int *returndistortion, int *returnintra); 74 extern void vp8_rd_pick_intra_mode(MACROBLOCK *x, int *rate); 75 76 77 static void get_plane_pointers(const YV12_BUFFER_CONFIG *fb, 78 unsigned char *plane[3], 79 unsigned int recon_yoffset, 80 unsigned int recon_uvoffset) 81 { 82 plane[0] = fb->y_buffer + recon_yoffset; 83 plane[1] = fb->u_buffer + recon_uvoffset; 84 plane[2] = fb->v_buffer + recon_uvoffset; 85 } 86 87 88 static void get_predictor_pointers(const VP8_COMP *cpi, 89 unsigned char *plane[4][3], 90 unsigned int recon_yoffset, 91 unsigned int recon_uvoffset) 92 { 93 if (cpi->ref_frame_flags & VP8_LAST_FRAME) 94 get_plane_pointers(&cpi->common.yv12_fb[cpi->common.lst_fb_idx], 95 plane[LAST_FRAME], recon_yoffset, recon_uvoffset); 96 97 if (cpi->ref_frame_flags & VP8_GOLD_FRAME) 98 get_plane_pointers(&cpi->common.yv12_fb[cpi->common.gld_fb_idx], 99 plane[GOLDEN_FRAME], recon_yoffset, recon_uvoffset); 100 101 if (cpi->ref_frame_flags & VP8_ALTR_FRAME) 102 get_plane_pointers(&cpi->common.yv12_fb[cpi->common.alt_fb_idx], 103 plane[ALTREF_FRAME], recon_yoffset, recon_uvoffset); 104 } 105 106 107 static void get_reference_search_order(const VP8_COMP *cpi, 108 int ref_frame_map[4]) 109 { 110 int i=0; 111 112 ref_frame_map[i++] = INTRA_FRAME; 113 if (cpi->ref_frame_flags & VP8_LAST_FRAME) 114 ref_frame_map[i++] = LAST_FRAME; 115 if (cpi->ref_frame_flags & VP8_GOLD_FRAME) 116 ref_frame_map[i++] = GOLDEN_FRAME; 117 if (cpi->ref_frame_flags & VP8_ALTR_FRAME) 118 ref_frame_map[i++] = ALTREF_FRAME; 119 for(; i<4; i++) 120 ref_frame_map[i] = -1; 121 } 122 123 124 extern void vp8_mv_pred 125 ( 126 VP8_COMP *cpi, 127 MACROBLOCKD *xd, 128 const MODE_INFO *here, 129 int_mv *mvp, 130 int refframe, 131 int *ref_frame_sign_bias, 132 int *sr, 133 int near_sadidx[] 134 ); 135 void vp8_cal_sad(VP8_COMP *cpi, MACROBLOCKD *xd, MACROBLOCK *x, int recon_yoffset, int near_sadidx[]); 136 137 #ifdef __cplusplus 138 } // extern "C" 139 #endif 140 141 #endif // VP8_ENCODER_RDOPT_H_ 142