1 #include "NV12_resize.h" 2 3 //#define LOG_NDEBUG 0 4 #define LOG_NIDEBUG 0 5 #define LOG_NDDEBUG 0 6 7 #define LOG_TAG "NV12_resize" 8 #define STRIDE 4096 9 #include <utils/Log.h> 10 11 /*========================================================================== 12 * Function Name : VT_resizeFrame_Video_opt2_lp 13 * 14 * Description : Resize a yuv frame. 15 * 16 * Input(s) : input_img_ptr -> Input Image Structure 17 * : output_img_ptr -> Output Image Structure 18 * : cropout -> crop structure 19 * 20 * Value Returned : mmBool -> FALSE on error TRUE on success 21 * NOTE: 22 * Not tested for crop funtionallity. 23 * faster version. 24 ============================================================================*/ 25 mmBool 26 VT_resizeFrame_Video_opt2_lp 27 ( 28 structConvImage* i_img_ptr, /* Points to the input image */ 29 structConvImage* o_img_ptr, /* Points to the output image */ 30 IC_rect_type* cropout, /* how much to resize to in final image */ 31 mmUint16 dummy /* Transparent pixel value */ 32 ) 33 { 34 ALOGV("VT_resizeFrame_Video_opt2_lp+"); 35 36 mmUint16 row,col; 37 mmUint32 resizeFactorX; 38 mmUint32 resizeFactorY; 39 40 41 mmUint16 x, y; 42 43 mmUchar* ptr8; 44 mmUchar *ptr8Cb, *ptr8Cr; 45 46 47 mmUint16 xf, yf; 48 mmUchar* inImgPtrY; 49 mmUchar* inImgPtrU; 50 mmUchar* inImgPtrV; 51 mmUint32 cox, coy, codx, cody; 52 mmUint16 idx,idy, idxC; 53 54 if(i_img_ptr->uWidth == o_img_ptr->uWidth) 55 { 56 if(i_img_ptr->uHeight == o_img_ptr->uHeight) 57 { 58 ALOGV("************************f(i_img_ptr->uHeight == o_img_ptr->uHeight) are same *********************\n"); 59 ALOGV("************************(i_img_ptr->width == %d" , i_img_ptr->uWidth ); 60 ALOGV("************************(i_img_ptr->uHeight == %d" , i_img_ptr->uHeight ); 61 ALOGV("************************(o_img_ptr->width == %d" ,o_img_ptr->uWidth ); 62 ALOGV("************************(o_img_ptr->uHeight == %d" , o_img_ptr->uHeight ); 63 } 64 } 65 66 if (!i_img_ptr || !i_img_ptr->imgPtr || 67 !o_img_ptr || !o_img_ptr->imgPtr) 68 { 69 ALOGE("Image Point NULL"); 70 ALOGV("VT_resizeFrame_Video_opt2_lp-"); 71 return FALSE; 72 } 73 74 inImgPtrY = (mmUchar *) i_img_ptr->imgPtr + i_img_ptr->uOffset; 75 inImgPtrU = (mmUchar *) i_img_ptr->clrPtr + i_img_ptr->uOffset/2; 76 inImgPtrV = (mmUchar*)inImgPtrU + 1; 77 78 if (cropout == NULL) 79 { 80 cox = 0; 81 coy = 0; 82 codx = o_img_ptr->uWidth; 83 cody = o_img_ptr->uHeight; 84 } 85 else 86 { 87 cox = cropout->x; 88 coy = cropout->y; 89 codx = cropout->uWidth; 90 cody = cropout->uHeight; 91 } 92 idx = i_img_ptr->uWidth; 93 idy = i_img_ptr->uHeight; 94 95 /* make sure valid input size */ 96 if (idx < 1 || idy < 1 || i_img_ptr->uStride < 1) 97 { 98 ALOGE("idx or idy less then 1 idx = %d idy = %d stride = %d", idx, idy, i_img_ptr->uStride); 99 ALOGV("VT_resizeFrame_Video_opt2_lp-"); 100 return FALSE; 101 } 102 103 resizeFactorX = ((idx-1)<<9) / codx; 104 resizeFactorY = ((idy-1)<<9) / cody; 105 106 if(i_img_ptr->eFormat == IC_FORMAT_YCbCr420_lp && 107 o_img_ptr->eFormat == IC_FORMAT_YCbCr420_lp) 108 { 109 ptr8 = (mmUchar*)o_img_ptr->imgPtr + cox + coy*o_img_ptr->uWidth; 110 111 112 ////////////////////////////for Y////////////////////////// 113 for (row=0; row < cody; row++) 114 { 115 mmUchar *pu8Yrow1 = NULL; 116 mmUchar *pu8Yrow2 = NULL; 117 y = (mmUint16) ((mmUint32) (row*resizeFactorY) >> 9); 118 yf = (mmUchar) ((mmUint32)((row*resizeFactorY) >> 6) & 0x7); 119 pu8Yrow1 = inImgPtrY + (y) * i_img_ptr->uStride; 120 pu8Yrow2 = pu8Yrow1 + i_img_ptr->uStride; 121 122 for (col=0; col < codx; col++) 123 { 124 mmUchar in11, in12, in21, in22; 125 mmUchar *pu8ptr1 = NULL; 126 mmUchar *pu8ptr2 = NULL; 127 mmUchar w; 128 mmUint16 accum_1; 129 //mmUint32 accum_W; 130 131 132 133 x = (mmUint16) ((mmUint32) (col*resizeFactorX) >> 9); 134 xf = (mmUchar) ((mmUint32) ((col*resizeFactorX) >> 6) & 0x7); 135 136 137 //accum_W = 0; 138 accum_1 = 0; 139 140 pu8ptr1 = pu8Yrow1 + (x); 141 pu8ptr2 = pu8Yrow2 + (x); 142 143 /* A pixel */ 144 //in = *(inImgPtrY + (y)*idx + (x)); 145 in11 = *(pu8ptr1); 146 147 w = bWeights[xf][yf][0]; 148 accum_1 = (w * in11); 149 //accum_W += (w); 150 151 /* B pixel */ 152 //in = *(inImgPtrY + (y)*idx + (x+1)); 153 in12 = *(pu8ptr1+1); 154 w = bWeights[xf][yf][1]; 155 accum_1 += (w * in12); 156 //accum_W += (w); 157 158 /* C pixel */ 159 //in = *(inImgPtrY + (y+1)*idx + (x)); 160 in21 = *(pu8ptr2); 161 w = bWeights[xf][yf][3]; 162 accum_1 += (w * in21); 163 //accum_W += (w); 164 165 /* D pixel */ 166 //in = *(inImgPtrY + (y+1)*idx + (x+1)); 167 in22 = *(pu8ptr2+1); 168 w = bWeights[xf][yf][2]; 169 accum_1 += (w * in22); 170 //accum_W += (w); 171 172 /* divide by sum of the weights */ 173 //accum_1 /= (accum_W); 174 //accum_1 = (accum_1/64); 175 accum_1 = (accum_1>>6); 176 *ptr8 = (mmUchar)accum_1 ; 177 178 179 ptr8++; 180 } 181 ptr8 = ptr8 + (o_img_ptr->uStride - codx); 182 } 183 ////////////////////////////for Y////////////////////////// 184 185 ///////////////////////////////for Cb-Cr////////////////////// 186 187 ptr8Cb = (mmUchar*)o_img_ptr->clrPtr + cox + coy*o_img_ptr->uWidth; 188 189 ptr8Cr = (mmUchar*)(ptr8Cb+1); 190 191 idxC = (idx>>1); 192 for (row=0; row < (((cody)>>1)); row++) 193 { 194 mmUchar *pu8Cbr1 = NULL; 195 mmUchar *pu8Cbr2 = NULL; 196 mmUchar *pu8Crr1 = NULL; 197 mmUchar *pu8Crr2 = NULL; 198 199 y = (mmUint16) ((mmUint32) (row*resizeFactorY) >> 9); 200 yf = (mmUchar) ((mmUint32)((row*resizeFactorY) >> 6) & 0x7); 201 202 pu8Cbr1 = inImgPtrU + (y) * i_img_ptr->uStride; 203 pu8Cbr2 = pu8Cbr1 + i_img_ptr->uStride; 204 pu8Crr1 = inImgPtrV + (y) * i_img_ptr->uStride; 205 pu8Crr2 = pu8Crr1 + i_img_ptr->uStride; 206 207 for (col=0; col < (((codx)>>1)); col++) 208 { 209 mmUchar in11, in12, in21, in22; 210 mmUchar *pu8Cbc1 = NULL; 211 mmUchar *pu8Cbc2 = NULL; 212 mmUchar *pu8Crc1 = NULL; 213 mmUchar *pu8Crc2 = NULL; 214 215 mmUchar w; 216 mmUint16 accum_1Cb, accum_1Cr; 217 //mmUint32 accum_WCb, accum_WCr; 218 219 220 x = (mmUint16) ((mmUint32) (col*resizeFactorX) >> 9); 221 xf = (mmUchar) ((mmUint32) ((col*resizeFactorX) >> 6) & 0x7); 222 223 224 //accum_WCb = accum_WCr = 0; 225 accum_1Cb = accum_1Cr = 0; 226 227 pu8Cbc1 = pu8Cbr1 + (x*2); 228 pu8Cbc2 = pu8Cbr2 + (x*2); 229 pu8Crc1 = pu8Crr1 + (x*2); 230 pu8Crc2 = pu8Crr2 + (x*2); 231 232 233 234 /* A pixel */ 235 w = bWeights[xf][yf][0]; 236 237 in11 = *(pu8Cbc1); 238 accum_1Cb = (w * in11); 239 // accum_WCb += (w); 240 241 in11 = *(pu8Crc1); 242 accum_1Cr = (w * in11); 243 //accum_WCr += (w); 244 245 /* B pixel */ 246 w = bWeights[xf][yf][1]; 247 248 in12 = *(pu8Cbc1+2); 249 accum_1Cb += (w * in12); 250 //accum_WCb += (w); 251 252 in12 = *(pu8Crc1+2); 253 accum_1Cr += (w * in12); 254 //accum_WCr += (w); 255 256 /* C pixel */ 257 w = bWeights[xf][yf][3]; 258 259 in21 = *(pu8Cbc2); 260 accum_1Cb += (w * in21); 261 //accum_WCb += (w); 262 263 in21 = *(pu8Crc2); 264 accum_1Cr += (w * in21); 265 //accum_WCr += (w); 266 267 /* D pixel */ 268 w = bWeights[xf][yf][2]; 269 270 in22 = *(pu8Cbc2+2); 271 accum_1Cb += (w * in22); 272 //accum_WCb += (w); 273 274 in22 = *(pu8Crc2+2); 275 accum_1Cr += (w * in22); 276 //accum_WCr += (w); 277 278 /* divide by sum of the weights */ 279 //accum_1Cb /= (accum_WCb); 280 accum_1Cb = (accum_1Cb>>6); 281 *ptr8Cb = (mmUchar)accum_1Cb ; 282 283 284 accum_1Cr = (accum_1Cr >> 6); 285 *ptr8Cr = (mmUchar)accum_1Cr ; 286 287 ptr8Cb++; 288 ptr8Cr++; 289 290 ptr8Cb++; 291 ptr8Cr++; 292 } 293 ptr8Cb = ptr8Cb + (o_img_ptr->uStride-codx); 294 ptr8Cr = ptr8Cr + (o_img_ptr->uStride-codx); 295 } 296 ///////////////////For Cb- Cr//////////////////////////////////////// 297 } 298 else 299 { 300 ALOGE("eFormat not supported"); 301 ALOGV("VT_resizeFrame_Video_opt2_lp-"); 302 return FALSE; 303 } 304 ALOGV("success"); 305 ALOGV("VT_resizeFrame_Video_opt2_lp-"); 306 return TRUE; 307 } 308
