1 /* 2 * Copyright 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef IMG_UTILS_DNG_UTILS_H 18 #define IMG_UTILS_DNG_UTILS_H 19 20 #include <img_utils/ByteArrayOutput.h> 21 #include <img_utils/EndianUtils.h> 22 23 #include <utils/Errors.h> 24 #include <utils/Log.h> 25 #include <utils/RefBase.h> 26 27 #include <cutils/compiler.h> 28 #include <stdint.h> 29 30 namespace android { 31 namespace img_utils { 32 33 #define NELEMS(x) ((int) (sizeof(x) / sizeof((x)[0]))) 34 #define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x))) 35 36 /** 37 * Utility class for building values for the OpcodeList tags specified 38 * in the Adobe DNG 1.4 spec. 39 */ 40 class ANDROID_API OpcodeListBuilder : public LightRefBase<OpcodeListBuilder> { 41 public: 42 // Note that the Adobe DNG 1.4 spec for Bayer phase (defined for the 43 // FixBadPixelsConstant and FixBadPixelsList opcodes) is incorrect. It's 44 // inconsistent with the DNG SDK (cf. dng_negative::SetBayerMosaic and 45 // dng_opcode_FixBadPixelsList::IsGreen), and Adobe confirms that the 46 // spec should be updated to match the SDK. 47 enum CfaLayout { 48 CFA_GRBG = 0, 49 CFA_RGGB, 50 CFA_BGGR, 51 CFA_GBRG, 52 CFA_NONE, 53 }; 54 55 OpcodeListBuilder(); 56 virtual ~OpcodeListBuilder(); 57 58 /** 59 * Get the total size of this opcode list in bytes. 60 */ 61 virtual size_t getSize() const; 62 63 /** 64 * Get the number of opcodes defined in this list. 65 */ 66 virtual uint32_t getCount() const; 67 68 /** 69 * Write the opcode list into the given buffer. This buffer 70 * must be able to hold at least as many elements as returned 71 * by calling the getSize() method. 72 * 73 * Returns OK on success, or a negative error code. 74 */ 75 virtual status_t buildOpList(/*out*/ uint8_t* buf) const; 76 77 /** 78 * Add GainMap opcode(s) for the given metadata parameters. The given 79 * CFA layout must match the layout of the shading map passed into the 80 * lensShadingMap parameter. 81 * 82 * Returns OK on success, or a negative error code. 83 */ 84 virtual status_t addGainMapsForMetadata(uint32_t lsmWidth, 85 uint32_t lsmHeight, 86 uint32_t activeAreaTop, 87 uint32_t activeAreaLeft, 88 uint32_t activeAreaBottom, 89 uint32_t activeAreaRight, 90 CfaLayout cfa, 91 const float* lensShadingMap); 92 93 /** 94 * Add a GainMap opcode with the given fields. The mapGains array 95 * must have mapPointsV * mapPointsH * mapPlanes elements. 96 * 97 * Returns OK on success, or a negative error code. 98 */ 99 virtual status_t addGainMap(uint32_t top, 100 uint32_t left, 101 uint32_t bottom, 102 uint32_t right, 103 uint32_t plane, 104 uint32_t planes, 105 uint32_t rowPitch, 106 uint32_t colPitch, 107 uint32_t mapPointsV, 108 uint32_t mapPointsH, 109 double mapSpacingV, 110 double mapSpacingH, 111 double mapOriginV, 112 double mapOriginH, 113 uint32_t mapPlanes, 114 const float* mapGains); 115 116 /** 117 * Add WarpRectilinear opcode for the given metadata parameters. 118 * 119 * Returns OK on success, or a negative error code. 120 */ 121 virtual status_t addWarpRectilinearForMetadata(const float* kCoeffs, 122 uint32_t activeArrayWidth, 123 uint32_t activeArrayHeight, 124 float opticalCenterX, 125 float opticalCenterY); 126 127 /** 128 * Add a WarpRectilinear opcode. 129 * 130 * numPlanes - Number of planes included in this opcode. 131 * opticalCenterX, opticalCenterY - Normalized x,y coordinates of the sensor optical 132 * center relative to the top,left pixel of the produced images (e.g. [0.5, 0.5] 133 * gives a sensor optical center in the image center. 134 * kCoeffs - A list of coefficients for the polynomial equation representing the distortion 135 * correction. For each plane, 6 coefficients must be included: 136 * {k_r0, k_r1, k_r2, k_r3, k_t0, k_t1}. See the DNG 1.4 specification for an 137 * outline of the polynomial used here. 138 * 139 * Returns OK on success, or a negative error code. 140 */ 141 virtual status_t addWarpRectilinear(uint32_t numPlanes, 142 double opticalCenterX, 143 double opticalCenterY, 144 const double* kCoeffs); 145 146 147 /** 148 * Add FixBadPixelsList opcode for the given metadata parameters. 149 * 150 * Returns OK on success, or a negative error code. 151 */ 152 virtual status_t addBadPixelListForMetadata(const uint32_t* hotPixels, 153 uint32_t xyPairCount, 154 uint32_t colorFilterArrangement); 155 156 /** 157 * Add FixBadPixelsList opcode. 158 * 159 * bayerPhase - 0=top-left of image is red, 1=top-left of image is green pixel in red row, 160 * 2=top-left of image is green pixel in blue row, 3=top-left of image is 161 * blue. 162 * badPointCount - number of (x,y) pairs of bad pixels are given in badPointRowColPairs. 163 * badRectCount - number of (top, left, bottom, right) tuples are given in 164 * badRectTopLeftBottomRightTuples 165 * 166 * Returns OK on success, or a negative error code. 167 */ 168 virtual status_t addBadPixelList(uint32_t bayerPhase, 169 uint32_t badPointCount, 170 uint32_t badRectCount, 171 const uint32_t* badPointRowColPairs, 172 const uint32_t* badRectTopLeftBottomRightTuples); 173 174 // TODO: Add other Opcode methods 175 protected: 176 static const uint32_t FLAG_OPTIONAL = 0x1u; 177 static const uint32_t FLAG_OPTIONAL_FOR_PREVIEW = 0x2u; 178 179 // Opcode IDs 180 enum { 181 WARP_RECTILINEAR_ID = 1, 182 FIX_BAD_PIXELS_LIST = 5, 183 GAIN_MAP_ID = 9, 184 }; 185 186 // LSM mosaic indices 187 enum { 188 LSM_R_IND = 0, 189 LSM_GE_IND = 1, 190 LSM_GO_IND = 2, 191 LSM_B_IND = 3, 192 }; 193 194 uint32_t mCount; 195 ByteArrayOutput mOpList; 196 EndianOutput mEndianOut; 197 198 status_t addOpcodePreamble(uint32_t opcodeId); 199 200 private: 201 /** 202 * Add Bayer GainMap opcode(s) for the given metadata parameters. 203 * CFA layout must match the layout of the shading map passed into the 204 * lensShadingMap parameter. 205 * 206 * Returns OK on success, or a negative error code. 207 */ 208 status_t addBayerGainMapsForMetadata(uint32_t lsmWidth, 209 uint32_t lsmHeight, 210 uint32_t activeAreaWidth, 211 uint32_t activeAreaHeight, 212 CfaLayout cfa, 213 const float* lensShadingMap); 214 215 /** 216 * Add Bayer GainMap opcode(s) for the given metadata parameters. 217 * CFA layout must match the layout of the shading map passed into the 218 * lensShadingMap parameter. 219 * 220 * Returns OK on success, or a negative error code. 221 */ 222 status_t addMonochromeGainMapsForMetadata(uint32_t lsmWidth, 223 uint32_t lsmHeight, 224 uint32_t activeAreaWidth, 225 uint32_t activeAreaHeight, 226 const float* lensShadingMap); 227 }; 228 229 } /*namespace img_utils*/ 230 } /*namespace android*/ 231 232 #endif /*IMG_UTILS_DNG_UTILS_H*/ 233
