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 #include "vpx_config.h" 12 #include "vpx_rtcd.h" 13 14 15 void vp8_dequant_idct_add_y_block_v6(short *q, short *dq, 16 unsigned char *dst, 17 int stride, char *eobs) 18 { 19 int i; 20 21 for (i = 0; i < 4; i++) 22 { 23 if (eobs[0] > 1) 24 vp8_dequant_idct_add_v6 (q, dq, dst, stride); 25 else if (eobs[0] == 1) 26 { 27 vp8_dc_only_idct_add_v6 (q[0]*dq[0], dst, stride, dst, stride); 28 ((int *)q)[0] = 0; 29 } 30 31 if (eobs[1] > 1) 32 vp8_dequant_idct_add_v6 (q+16, dq, dst+4, stride); 33 else if (eobs[1] == 1) 34 { 35 vp8_dc_only_idct_add_v6 (q[16]*dq[0], dst+4, stride, dst+4, stride); 36 ((int *)(q+16))[0] = 0; 37 } 38 39 if (eobs[2] > 1) 40 vp8_dequant_idct_add_v6 (q+32, dq, dst+8, stride); 41 else if (eobs[2] == 1) 42 { 43 vp8_dc_only_idct_add_v6 (q[32]*dq[0], dst+8, stride, dst+8, stride); 44 ((int *)(q+32))[0] = 0; 45 } 46 47 if (eobs[3] > 1) 48 vp8_dequant_idct_add_v6 (q+48, dq, dst+12, stride); 49 else if (eobs[3] == 1) 50 { 51 vp8_dc_only_idct_add_v6 (q[48]*dq[0], dst+12, stride,dst+12,stride); 52 ((int *)(q+48))[0] = 0; 53 } 54 55 q += 64; 56 dst += 4*stride; 57 eobs += 4; 58 } 59 } 60 61 void vp8_dequant_idct_add_uv_block_v6(short *q, short *dq, 62 unsigned char *dstu, 63 unsigned char *dstv, 64 int stride, char *eobs) 65 { 66 int i; 67 68 for (i = 0; i < 2; i++) 69 { 70 if (eobs[0] > 1) 71 vp8_dequant_idct_add_v6 (q, dq, dstu, stride); 72 else if (eobs[0] == 1) 73 { 74 vp8_dc_only_idct_add_v6 (q[0]*dq[0], dstu, stride, dstu, stride); 75 ((int *)q)[0] = 0; 76 } 77 78 if (eobs[1] > 1) 79 vp8_dequant_idct_add_v6 (q+16, dq, dstu+4, stride); 80 else if (eobs[1] == 1) 81 { 82 vp8_dc_only_idct_add_v6 (q[16]*dq[0], dstu+4, stride, 83 dstu+4, stride); 84 ((int *)(q+16))[0] = 0; 85 } 86 87 q += 32; 88 dstu += 4*stride; 89 eobs += 2; 90 } 91 92 for (i = 0; i < 2; i++) 93 { 94 if (eobs[0] > 1) 95 vp8_dequant_idct_add_v6 (q, dq, dstv, stride); 96 else if (eobs[0] == 1) 97 { 98 vp8_dc_only_idct_add_v6 (q[0]*dq[0], dstv, stride, dstv, stride); 99 ((int *)q)[0] = 0; 100 } 101 102 if (eobs[1] > 1) 103 vp8_dequant_idct_add_v6 (q+16, dq, dstv+4, stride); 104 else if (eobs[1] == 1) 105 { 106 vp8_dc_only_idct_add_v6 (q[16]*dq[0], dstv+4, stride, 107 dstv+4, stride); 108 ((int *)(q+16))[0] = 0; 109 } 110 111 q += 32; 112 dstv += 4*stride; 113 eobs += 2; 114 } 115 } 116
