Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 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 | */ |
Elliott Hughes | 8e86c9c | 2014-05-22 01:18:02 -0700 | [diff] [blame] | 16 | |
Eino-Ville Talvala | dd2dd09 | 2016-08-16 15:48:05 -0700 | [diff] [blame] | 17 | #define _GNU_SOURCE // for fdprintf |
Mark Salyzyn | 773e5c8 | 2014-03-13 13:24:19 -0700 | [diff] [blame] | 18 | #include <inttypes.h> |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 19 | #include <system/camera_metadata.h> |
Ruben Brunk | 9c13e19 | 2014-02-14 16:40:56 -0800 | [diff] [blame] | 20 | #include <camera_metadata_hidden.h> |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 21 | |
| 22 | #define LOG_TAG "camera_metadata" |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 23 | #include <cutils/log.h> |
Alex Ray | 151389f | 2013-11-12 18:09:31 -0800 | [diff] [blame] | 24 | #include <assert.h> |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 25 | #include <stdio.h> |
| 26 | #include <stdlib.h> |
| 27 | #include <errno.h> |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 28 | |
Chien-Yu Chen | 61af47d | 2016-08-12 15:40:16 -0700 | [diff] [blame] | 29 | #define OK 0 |
| 30 | #define ERROR 1 |
| 31 | #define NOT_FOUND -ENOENT |
| 32 | #define SN_EVENT_LOG_ID 0x534e4554 |
Eino-Ville Talvala | 3154036 | 2012-11-07 16:36:50 -0800 | [diff] [blame] | 33 | |
Eino-Ville Talvala | 3154036 | 2012-11-07 16:36:50 -0800 | [diff] [blame] | 34 | #define ALIGN_TO(val, alignment) \ |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 35 | (((uintptr_t)(val) + ((alignment) - 1)) & ~((alignment) - 1)) |
| 36 | |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 37 | /** |
| 38 | * A single metadata entry, storing an array of values of a given type. If the |
| 39 | * array is no larger than 4 bytes in size, it is stored in the data.value[] |
| 40 | * array; otherwise, it can found in the parent's data array at index |
| 41 | * data.offset. |
| 42 | */ |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 43 | #define ENTRY_ALIGNMENT ((size_t) 4) |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 44 | typedef struct camera_metadata_buffer_entry { |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 45 | uint32_t tag; |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 46 | uint32_t count; |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 47 | union { |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 48 | uint32_t offset; |
| 49 | uint8_t value[4]; |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 50 | } data; |
| 51 | uint8_t type; |
| 52 | uint8_t reserved[3]; |
Eino-Ville Talvala | 3154036 | 2012-11-07 16:36:50 -0800 | [diff] [blame] | 53 | } camera_metadata_buffer_entry_t; |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 54 | |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 55 | typedef uint32_t metadata_uptrdiff_t; |
| 56 | typedef uint32_t metadata_size_t; |
| 57 | |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 58 | /** |
| 59 | * A packet of metadata. This is a list of entries, each of which may point to |
| 60 | * its values stored at an offset in data. |
| 61 | * |
| 62 | * It is assumed by the utility functions that the memory layout of the packet |
| 63 | * is as follows: |
| 64 | * |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 65 | * |-----------------------------------------------| |
| 66 | * | camera_metadata_t | |
| 67 | * | | |
| 68 | * |-----------------------------------------------| |
| 69 | * | reserved for future expansion | |
| 70 | * |-----------------------------------------------| |
| 71 | * | camera_metadata_buffer_entry_t #0 | |
| 72 | * |-----------------------------------------------| |
| 73 | * | .... | |
| 74 | * |-----------------------------------------------| |
| 75 | * | camera_metadata_buffer_entry_t #entry_count-1 | |
| 76 | * |-----------------------------------------------| |
| 77 | * | free space for | |
| 78 | * | (entry_capacity-entry_count) entries | |
| 79 | * |-----------------------------------------------| |
| 80 | * | start of camera_metadata.data | |
| 81 | * | | |
| 82 | * |-----------------------------------------------| |
| 83 | * | free space for | |
| 84 | * | (data_capacity-data_count) bytes | |
| 85 | * |-----------------------------------------------| |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 86 | * |
| 87 | * With the total length of the whole packet being camera_metadata.size bytes. |
| 88 | * |
| 89 | * In short, the entries and data are contiguous in memory after the metadata |
| 90 | * header. |
| 91 | */ |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 92 | #define METADATA_ALIGNMENT ((size_t) 4) |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 93 | struct camera_metadata { |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 94 | metadata_size_t size; |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 95 | uint32_t version; |
| 96 | uint32_t flags; |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 97 | metadata_size_t entry_count; |
| 98 | metadata_size_t entry_capacity; |
| 99 | metadata_uptrdiff_t entries_start; // Offset from camera_metadata |
| 100 | metadata_size_t data_count; |
| 101 | metadata_size_t data_capacity; |
| 102 | metadata_uptrdiff_t data_start; // Offset from camera_metadata |
| 103 | uint8_t reserved[]; |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 104 | }; |
| 105 | |
Igor Murashkin | 555aac8 | 2012-11-15 10:54:57 -0800 | [diff] [blame] | 106 | /** |
| 107 | * A datum of metadata. This corresponds to camera_metadata_entry_t::data |
| 108 | * with the difference that each element is not a pointer. We need to have a |
| 109 | * non-pointer type description in order to figure out the largest alignment |
| 110 | * requirement for data (DATA_ALIGNMENT). |
| 111 | */ |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 112 | #define DATA_ALIGNMENT ((size_t) 8) |
Igor Murashkin | 555aac8 | 2012-11-15 10:54:57 -0800 | [diff] [blame] | 113 | typedef union camera_metadata_data { |
| 114 | uint8_t u8; |
| 115 | int32_t i32; |
| 116 | float f; |
| 117 | int64_t i64; |
| 118 | double d; |
| 119 | camera_metadata_rational_t r; |
| 120 | } camera_metadata_data_t; |
| 121 | |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 122 | /** |
| 123 | * The preferred alignment of a packet of camera metadata. In general, |
| 124 | * this is the lowest common multiple of the constituents of a metadata |
| 125 | * package, i.e, of DATA_ALIGNMENT and ENTRY_ALIGNMENT. |
| 126 | */ |
| 127 | #define MAX_ALIGNMENT(A, B) (((A) > (B)) ? (A) : (B)) |
| 128 | #define METADATA_PACKET_ALIGNMENT \ |
| 129 | MAX_ALIGNMENT(MAX_ALIGNMENT(DATA_ALIGNMENT, METADATA_ALIGNMENT), ENTRY_ALIGNMENT); |
| 130 | |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 131 | /** Versioning information */ |
| 132 | #define CURRENT_METADATA_VERSION 1 |
| 133 | |
| 134 | /** Flag definitions */ |
| 135 | #define FLAG_SORTED 0x00000001 |
| 136 | |
| 137 | /** Tag information */ |
| 138 | |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 139 | typedef struct tag_info { |
| 140 | const char *tag_name; |
| 141 | uint8_t tag_type; |
| 142 | } tag_info_t; |
| 143 | |
| 144 | #include "camera_metadata_tag_info.c" |
| 145 | |
Eino-Ville Talvala | fd25882 | 2012-06-06 17:22:42 -0700 | [diff] [blame] | 146 | const size_t camera_metadata_type_size[NUM_TYPES] = { |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 147 | [TYPE_BYTE] = sizeof(uint8_t), |
| 148 | [TYPE_INT32] = sizeof(int32_t), |
| 149 | [TYPE_FLOAT] = sizeof(float), |
| 150 | [TYPE_INT64] = sizeof(int64_t), |
| 151 | [TYPE_DOUBLE] = sizeof(double), |
| 152 | [TYPE_RATIONAL] = sizeof(camera_metadata_rational_t) |
| 153 | }; |
| 154 | |
Eino-Ville Talvala | fd25882 | 2012-06-06 17:22:42 -0700 | [diff] [blame] | 155 | const char *camera_metadata_type_names[NUM_TYPES] = { |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 156 | [TYPE_BYTE] = "byte", |
| 157 | [TYPE_INT32] = "int32", |
| 158 | [TYPE_FLOAT] = "float", |
| 159 | [TYPE_INT64] = "int64", |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 160 | [TYPE_DOUBLE] = "double", |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 161 | [TYPE_RATIONAL] = "rational" |
| 162 | }; |
| 163 | |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 164 | static camera_metadata_buffer_entry_t *get_entries( |
| 165 | const camera_metadata_t *metadata) { |
| 166 | return (camera_metadata_buffer_entry_t*) |
| 167 | ((uint8_t*)metadata + metadata->entries_start); |
| 168 | } |
| 169 | |
| 170 | static uint8_t *get_data(const camera_metadata_t *metadata) { |
| 171 | return (uint8_t*)metadata + metadata->data_start; |
| 172 | } |
| 173 | |
Zhijun He | 1450f7f | 2013-12-05 07:44:56 -0800 | [diff] [blame] | 174 | size_t get_camera_metadata_alignment() { |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 175 | return METADATA_PACKET_ALIGNMENT; |
Zhijun He | 1450f7f | 2013-12-05 07:44:56 -0800 | [diff] [blame] | 176 | } |
| 177 | |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 178 | camera_metadata_t *allocate_copy_camera_metadata_checked( |
| 179 | const camera_metadata_t *src, |
| 180 | size_t src_size) { |
| 181 | |
| 182 | if (src == NULL) { |
| 183 | return NULL; |
| 184 | } |
| 185 | |
| 186 | void *buffer = malloc(src_size); |
| 187 | memcpy(buffer, src, src_size); |
| 188 | |
| 189 | camera_metadata_t *metadata = (camera_metadata_t*) buffer; |
| 190 | if (validate_camera_metadata_structure(metadata, &src_size) != OK) { |
| 191 | free(buffer); |
| 192 | return NULL; |
| 193 | } |
| 194 | |
| 195 | return metadata; |
| 196 | } |
| 197 | |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 198 | camera_metadata_t *allocate_camera_metadata(size_t entry_capacity, |
| 199 | size_t data_capacity) { |
Eino-Ville Talvala | 2f4aca6 | 2012-08-24 11:42:06 -0700 | [diff] [blame] | 200 | |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 201 | size_t memory_needed = calculate_camera_metadata_size(entry_capacity, |
| 202 | data_capacity); |
| 203 | void *buffer = malloc(memory_needed); |
| 204 | return place_camera_metadata(buffer, memory_needed, |
| 205 | entry_capacity, |
| 206 | data_capacity); |
| 207 | } |
| 208 | |
| 209 | camera_metadata_t *place_camera_metadata(void *dst, |
| 210 | size_t dst_size, |
| 211 | size_t entry_capacity, |
| 212 | size_t data_capacity) { |
| 213 | if (dst == NULL) return NULL; |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 214 | |
| 215 | size_t memory_needed = calculate_camera_metadata_size(entry_capacity, |
| 216 | data_capacity); |
| 217 | if (memory_needed > dst_size) return NULL; |
| 218 | |
| 219 | camera_metadata_t *metadata = (camera_metadata_t*)dst; |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 220 | metadata->version = CURRENT_METADATA_VERSION; |
| 221 | metadata->flags = 0; |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 222 | metadata->entry_count = 0; |
| 223 | metadata->entry_capacity = entry_capacity; |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 224 | metadata->entries_start = |
| 225 | ALIGN_TO(sizeof(camera_metadata_t), ENTRY_ALIGNMENT); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 226 | metadata->data_count = 0; |
| 227 | metadata->data_capacity = data_capacity; |
| 228 | metadata->size = memory_needed; |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 229 | size_t data_unaligned = (uint8_t*)(get_entries(metadata) + |
| 230 | metadata->entry_capacity) - (uint8_t*)metadata; |
| 231 | metadata->data_start = ALIGN_TO(data_unaligned, DATA_ALIGNMENT); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 232 | |
Alex Ray | 151389f | 2013-11-12 18:09:31 -0800 | [diff] [blame] | 233 | assert(validate_camera_metadata_structure(metadata, NULL) == OK); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 234 | return metadata; |
| 235 | } |
| 236 | void free_camera_metadata(camera_metadata_t *metadata) { |
| 237 | free(metadata); |
| 238 | } |
| 239 | |
| 240 | size_t calculate_camera_metadata_size(size_t entry_count, |
| 241 | size_t data_count) { |
| 242 | size_t memory_needed = sizeof(camera_metadata_t); |
Eino-Ville Talvala | 3154036 | 2012-11-07 16:36:50 -0800 | [diff] [blame] | 243 | // Start entry list at aligned boundary |
| 244 | memory_needed = ALIGN_TO(memory_needed, ENTRY_ALIGNMENT); |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 245 | memory_needed += sizeof(camera_metadata_buffer_entry_t[entry_count]); |
Eino-Ville Talvala | 3154036 | 2012-11-07 16:36:50 -0800 | [diff] [blame] | 246 | // Start buffer list at aligned boundary |
| 247 | memory_needed = ALIGN_TO(memory_needed, DATA_ALIGNMENT); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 248 | memory_needed += sizeof(uint8_t[data_count]); |
| 249 | return memory_needed; |
| 250 | } |
| 251 | |
| 252 | size_t get_camera_metadata_size(const camera_metadata_t *metadata) { |
| 253 | if (metadata == NULL) return ERROR; |
| 254 | |
| 255 | return metadata->size; |
| 256 | } |
| 257 | |
| 258 | size_t get_camera_metadata_compact_size(const camera_metadata_t *metadata) { |
| 259 | if (metadata == NULL) return ERROR; |
| 260 | |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 261 | return calculate_camera_metadata_size(metadata->entry_count, |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 262 | metadata->data_count); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 263 | } |
| 264 | |
| 265 | size_t get_camera_metadata_entry_count(const camera_metadata_t *metadata) { |
| 266 | return metadata->entry_count; |
| 267 | } |
| 268 | |
| 269 | size_t get_camera_metadata_entry_capacity(const camera_metadata_t *metadata) { |
| 270 | return metadata->entry_capacity; |
| 271 | } |
| 272 | |
| 273 | size_t get_camera_metadata_data_count(const camera_metadata_t *metadata) { |
| 274 | return metadata->data_count; |
| 275 | } |
| 276 | |
| 277 | size_t get_camera_metadata_data_capacity(const camera_metadata_t *metadata) { |
| 278 | return metadata->data_capacity; |
| 279 | } |
| 280 | |
| 281 | camera_metadata_t* copy_camera_metadata(void *dst, size_t dst_size, |
| 282 | const camera_metadata_t *src) { |
| 283 | size_t memory_needed = get_camera_metadata_compact_size(src); |
| 284 | |
| 285 | if (dst == NULL) return NULL; |
| 286 | if (dst_size < memory_needed) return NULL; |
| 287 | |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 288 | camera_metadata_t *metadata = |
| 289 | place_camera_metadata(dst, dst_size, src->entry_count, src->data_count); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 290 | |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 291 | metadata->flags = src->flags; |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 292 | metadata->entry_count = src->entry_count; |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 293 | metadata->data_count = src->data_count; |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 294 | |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 295 | memcpy(get_entries(metadata), get_entries(src), |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 296 | sizeof(camera_metadata_buffer_entry_t[metadata->entry_count])); |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 297 | memcpy(get_data(metadata), get_data(src), |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 298 | sizeof(uint8_t[metadata->data_count])); |
| 299 | |
Alex Ray | 151389f | 2013-11-12 18:09:31 -0800 | [diff] [blame] | 300 | assert(validate_camera_metadata_structure(metadata, NULL) == OK); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 301 | return metadata; |
| 302 | } |
| 303 | |
Chien-Yu Chen | 61af47d | 2016-08-12 15:40:16 -0700 | [diff] [blame] | 304 | // This method should be used when the camera metadata cannot be trusted. For example, when it's |
| 305 | // read from Parcel. |
| 306 | static int validate_and_calculate_camera_metadata_entry_data_size(size_t *data_size, uint8_t type, |
| 307 | size_t data_count) { |
| 308 | if (type >= NUM_TYPES) return ERROR; |
| 309 | |
| 310 | // Check for overflow |
| 311 | if (data_count != 0 && |
| 312 | camera_metadata_type_size[type] > (SIZE_MAX - DATA_ALIGNMENT + 1) / data_count) { |
| 313 | android_errorWriteLog(SN_EVENT_LOG_ID, "30741779"); |
| 314 | return ERROR; |
| 315 | } |
| 316 | |
| 317 | size_t data_bytes = data_count * camera_metadata_type_size[type]; |
| 318 | |
| 319 | if (data_size) { |
| 320 | *data_size = data_bytes <= 4 ? 0 : ALIGN_TO(data_bytes, DATA_ALIGNMENT); |
| 321 | } |
| 322 | |
| 323 | return OK; |
| 324 | } |
| 325 | |
| 326 | size_t calculate_camera_metadata_entry_data_size(uint8_t type, |
| 327 | size_t data_count) { |
| 328 | if (type >= NUM_TYPES) return 0; |
| 329 | |
| 330 | size_t data_bytes = data_count * |
| 331 | camera_metadata_type_size[type]; |
| 332 | |
| 333 | return data_bytes <= 4 ? 0 : ALIGN_TO(data_bytes, DATA_ALIGNMENT); |
| 334 | } |
| 335 | |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 336 | int validate_camera_metadata_structure(const camera_metadata_t *metadata, |
| 337 | const size_t *expected_size) { |
| 338 | |
| 339 | if (metadata == NULL) { |
Zhijun He | 246a1ad | 2013-11-26 13:41:18 -0800 | [diff] [blame] | 340 | ALOGE("%s: metadata is null!", __FUNCTION__); |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 341 | return ERROR; |
| 342 | } |
| 343 | |
| 344 | // Check that the metadata pointer is well-aligned first. |
| 345 | { |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 346 | static const struct { |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 347 | const char *name; |
| 348 | size_t alignment; |
| 349 | } alignments[] = { |
| 350 | { |
| 351 | .name = "camera_metadata", |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 352 | .alignment = METADATA_ALIGNMENT |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 353 | }, |
| 354 | { |
| 355 | .name = "camera_metadata_buffer_entry", |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 356 | .alignment = ENTRY_ALIGNMENT |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 357 | }, |
| 358 | { |
| 359 | .name = "camera_metadata_data", |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 360 | .alignment = DATA_ALIGNMENT |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 361 | }, |
| 362 | }; |
| 363 | |
| 364 | for (size_t i = 0; i < sizeof(alignments)/sizeof(alignments[0]); ++i) { |
| 365 | uintptr_t aligned_ptr = ALIGN_TO(metadata, alignments[i].alignment); |
| 366 | |
| 367 | if ((uintptr_t)metadata != aligned_ptr) { |
| 368 | ALOGE("%s: Metadata pointer is not aligned (actual %p, " |
| 369 | "expected %p) to type %s", |
| 370 | __FUNCTION__, metadata, |
| 371 | (void*)aligned_ptr, alignments[i].name); |
| 372 | return ERROR; |
| 373 | } |
| 374 | } |
| 375 | } |
| 376 | |
| 377 | /** |
| 378 | * Check that the metadata contents are correct |
| 379 | */ |
| 380 | |
| 381 | if (expected_size != NULL && metadata->size > *expected_size) { |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 382 | ALOGE("%s: Metadata size (%" PRIu32 ") should be <= expected size (%zu)", |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 383 | __FUNCTION__, metadata->size, *expected_size); |
| 384 | return ERROR; |
| 385 | } |
| 386 | |
| 387 | if (metadata->entry_count > metadata->entry_capacity) { |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 388 | ALOGE("%s: Entry count (%" PRIu32 ") should be <= entry capacity " |
| 389 | "(%" PRIu32 ")", |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 390 | __FUNCTION__, metadata->entry_count, metadata->entry_capacity); |
| 391 | return ERROR; |
| 392 | } |
| 393 | |
Eino-Ville Talvala | dd2dd09 | 2016-08-16 15:48:05 -0700 | [diff] [blame] | 394 | if (metadata->data_count > metadata->data_capacity) { |
| 395 | ALOGE("%s: Data count (%" PRIu32 ") should be <= data capacity " |
| 396 | "(%" PRIu32 ")", |
| 397 | __FUNCTION__, metadata->data_count, metadata->data_capacity); |
| 398 | android_errorWriteLog(SN_EVENT_LOG_ID, "30591838"); |
| 399 | return ERROR; |
| 400 | } |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 401 | const metadata_uptrdiff_t entries_end = |
| 402 | metadata->entries_start + metadata->entry_capacity; |
Eino-Ville Talvala | dd2dd09 | 2016-08-16 15:48:05 -0700 | [diff] [blame] | 403 | |
| 404 | |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 405 | if (entries_end < metadata->entries_start || // overflow check |
| 406 | entries_end > metadata->data_start) { |
| 407 | |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 408 | ALOGE("%s: Entry start + capacity (%" PRIu32 ") should be <= data start " |
| 409 | "(%" PRIu32 ")", |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 410 | __FUNCTION__, |
| 411 | (metadata->entries_start + metadata->entry_capacity), |
| 412 | metadata->data_start); |
| 413 | return ERROR; |
| 414 | } |
| 415 | |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 416 | const metadata_uptrdiff_t data_end = |
| 417 | metadata->data_start + metadata->data_capacity; |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 418 | if (data_end < metadata->data_start || // overflow check |
| 419 | data_end > metadata->size) { |
| 420 | |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 421 | ALOGE("%s: Data start + capacity (%" PRIu32 ") should be <= total size " |
| 422 | "(%" PRIu32 ")", |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 423 | __FUNCTION__, |
| 424 | (metadata->data_start + metadata->data_capacity), |
| 425 | metadata->size); |
| 426 | return ERROR; |
| 427 | } |
| 428 | |
| 429 | // Validate each entry |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 430 | const metadata_size_t entry_count = metadata->entry_count; |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 431 | camera_metadata_buffer_entry_t *entries = get_entries(metadata); |
| 432 | |
| 433 | for (size_t i = 0; i < entry_count; ++i) { |
| 434 | |
| 435 | if ((uintptr_t)&entries[i] != ALIGN_TO(&entries[i], ENTRY_ALIGNMENT)) { |
Mark Salyzyn | 773e5c8 | 2014-03-13 13:24:19 -0700 | [diff] [blame] | 436 | ALOGE("%s: Entry index %zu had bad alignment (address %p)," |
| 437 | " expected alignment %zu", |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 438 | __FUNCTION__, i, &entries[i], ENTRY_ALIGNMENT); |
| 439 | return ERROR; |
| 440 | } |
| 441 | |
| 442 | camera_metadata_buffer_entry_t entry = entries[i]; |
| 443 | |
| 444 | if (entry.type >= NUM_TYPES) { |
Mark Salyzyn | 773e5c8 | 2014-03-13 13:24:19 -0700 | [diff] [blame] | 445 | ALOGE("%s: Entry index %zu had a bad type %d", |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 446 | __FUNCTION__, i, entry.type); |
| 447 | return ERROR; |
| 448 | } |
| 449 | |
| 450 | // TODO: fix vendor_tag_ops across processes so we don't need to special |
| 451 | // case vendor-specific tags |
| 452 | uint32_t tag_section = entry.tag >> 16; |
| 453 | int tag_type = get_camera_metadata_tag_type(entry.tag); |
| 454 | if (tag_type != (int)entry.type && tag_section < VENDOR_SECTION) { |
Mark Salyzyn | 773e5c8 | 2014-03-13 13:24:19 -0700 | [diff] [blame] | 455 | ALOGE("%s: Entry index %zu had tag type %d, but the type was %d", |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 456 | __FUNCTION__, i, tag_type, entry.type); |
| 457 | return ERROR; |
| 458 | } |
| 459 | |
Chien-Yu Chen | 61af47d | 2016-08-12 15:40:16 -0700 | [diff] [blame] | 460 | size_t data_size; |
| 461 | if (validate_and_calculate_camera_metadata_entry_data_size(&data_size, entry.type, |
| 462 | entry.count) != OK) { |
| 463 | ALOGE("%s: Entry data size is invalid. type: %u count: %u", __FUNCTION__, entry.type, |
| 464 | entry.count); |
| 465 | return ERROR; |
| 466 | } |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 467 | |
| 468 | if (data_size != 0) { |
| 469 | camera_metadata_data_t *data = |
| 470 | (camera_metadata_data_t*) (get_data(metadata) + |
| 471 | entry.data.offset); |
| 472 | |
| 473 | if ((uintptr_t)data != ALIGN_TO(data, DATA_ALIGNMENT)) { |
Mark Salyzyn | 773e5c8 | 2014-03-13 13:24:19 -0700 | [diff] [blame] | 474 | ALOGE("%s: Entry index %zu had bad data alignment (address %p)," |
| 475 | " expected align %zu, (tag name %s, data size %zu)", |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 476 | __FUNCTION__, i, data, DATA_ALIGNMENT, |
| 477 | get_camera_metadata_tag_name(entry.tag) ?: "unknown", |
| 478 | data_size); |
| 479 | return ERROR; |
| 480 | } |
| 481 | |
| 482 | size_t data_entry_end = entry.data.offset + data_size; |
| 483 | if (data_entry_end < entry.data.offset || // overflow check |
| 484 | data_entry_end > metadata->data_capacity) { |
| 485 | |
Mark Salyzyn | 773e5c8 | 2014-03-13 13:24:19 -0700 | [diff] [blame] | 486 | ALOGE("%s: Entry index %zu data ends (%zu) beyond the capacity " |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 487 | "%" PRIu32, __FUNCTION__, i, data_entry_end, |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 488 | metadata->data_capacity); |
| 489 | return ERROR; |
| 490 | } |
| 491 | |
| 492 | } else if (entry.count == 0) { |
| 493 | if (entry.data.offset != 0) { |
Mark Salyzyn | 773e5c8 | 2014-03-13 13:24:19 -0700 | [diff] [blame] | 494 | ALOGE("%s: Entry index %zu had 0 items, but offset was non-0 " |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 495 | "(%" PRIu32 "), tag name: %s", __FUNCTION__, i, entry.data.offset, |
Zhijun He | 3064d31 | 2013-07-15 13:55:11 -0700 | [diff] [blame] | 496 | get_camera_metadata_tag_name(entry.tag) ?: "unknown"); |
Igor Murashkin | d1cecc1 | 2013-04-30 17:21:54 -0700 | [diff] [blame] | 497 | return ERROR; |
| 498 | } |
| 499 | } // else data stored inline, so we look at value which can be anything. |
| 500 | } |
| 501 | |
| 502 | return OK; |
| 503 | } |
| 504 | |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 505 | int append_camera_metadata(camera_metadata_t *dst, |
| 506 | const camera_metadata_t *src) { |
| 507 | if (dst == NULL || src == NULL ) return ERROR; |
| 508 | |
Eino-Ville Talvala | dd2dd09 | 2016-08-16 15:48:05 -0700 | [diff] [blame] | 509 | // Check for overflow |
| 510 | if (src->entry_count + dst->entry_count < src->entry_count) return ERROR; |
| 511 | if (src->data_count + dst->data_count < src->data_count) return ERROR; |
| 512 | // Check for space |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 513 | if (dst->entry_capacity < src->entry_count + dst->entry_count) return ERROR; |
| 514 | if (dst->data_capacity < src->data_count + dst->data_count) return ERROR; |
| 515 | |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 516 | memcpy(get_entries(dst) + dst->entry_count, get_entries(src), |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 517 | sizeof(camera_metadata_buffer_entry_t[src->entry_count])); |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 518 | memcpy(get_data(dst) + dst->data_count, get_data(src), |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 519 | sizeof(uint8_t[src->data_count])); |
| 520 | if (dst->data_count != 0) { |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 521 | camera_metadata_buffer_entry_t *entry = get_entries(dst) + dst->entry_count; |
| 522 | for (size_t i = 0; i < src->entry_count; i++, entry++) { |
| 523 | if ( calculate_camera_metadata_entry_data_size(entry->type, |
| 524 | entry->count) > 0 ) { |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 525 | entry->data.offset += dst->data_count; |
| 526 | } |
| 527 | } |
| 528 | } |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 529 | if (dst->entry_count == 0) { |
| 530 | // Appending onto empty buffer, keep sorted state |
| 531 | dst->flags |= src->flags & FLAG_SORTED; |
| 532 | } else if (src->entry_count != 0) { |
| 533 | // Both src, dst are nonempty, cannot assume sort remains |
| 534 | dst->flags &= ~FLAG_SORTED; |
| 535 | } else { |
| 536 | // Src is empty, keep dst sorted state |
| 537 | } |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 538 | dst->entry_count += src->entry_count; |
| 539 | dst->data_count += src->data_count; |
| 540 | |
Alex Ray | 151389f | 2013-11-12 18:09:31 -0800 | [diff] [blame] | 541 | assert(validate_camera_metadata_structure(dst, NULL) == OK); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 542 | return OK; |
| 543 | } |
| 544 | |
Eino-Ville Talvala | 2f4aca6 | 2012-08-24 11:42:06 -0700 | [diff] [blame] | 545 | camera_metadata_t *clone_camera_metadata(const camera_metadata_t *src) { |
Eino-Ville Talvala | fd25882 | 2012-06-06 17:22:42 -0700 | [diff] [blame] | 546 | int res; |
Eino-Ville Talvala | 2f4aca6 | 2012-08-24 11:42:06 -0700 | [diff] [blame] | 547 | if (src == NULL) return NULL; |
Eino-Ville Talvala | fd25882 | 2012-06-06 17:22:42 -0700 | [diff] [blame] | 548 | camera_metadata_t *clone = allocate_camera_metadata( |
| 549 | get_camera_metadata_entry_count(src), |
| 550 | get_camera_metadata_data_count(src)); |
| 551 | if (clone != NULL) { |
| 552 | res = append_camera_metadata(clone, src); |
| 553 | if (res != OK) { |
| 554 | free_camera_metadata(clone); |
| 555 | clone = NULL; |
| 556 | } |
| 557 | } |
Alex Ray | 151389f | 2013-11-12 18:09:31 -0800 | [diff] [blame] | 558 | assert(validate_camera_metadata_structure(clone, NULL) == OK); |
Eino-Ville Talvala | fd25882 | 2012-06-06 17:22:42 -0700 | [diff] [blame] | 559 | return clone; |
| 560 | } |
| 561 | |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 562 | static int add_camera_metadata_entry_raw(camera_metadata_t *dst, |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 563 | uint32_t tag, |
| 564 | uint8_t type, |
| 565 | const void *data, |
| 566 | size_t data_count) { |
| 567 | |
| 568 | if (dst == NULL) return ERROR; |
| 569 | if (dst->entry_count == dst->entry_capacity) return ERROR; |
| 570 | if (data == NULL) return ERROR; |
| 571 | |
| 572 | size_t data_bytes = |
| 573 | calculate_camera_metadata_entry_data_size(type, data_count); |
Eino-Ville Talvala | 3154036 | 2012-11-07 16:36:50 -0800 | [diff] [blame] | 574 | if (data_bytes + dst->data_count > dst->data_capacity) return ERROR; |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 575 | |
Eino-Ville Talvala | 3154036 | 2012-11-07 16:36:50 -0800 | [diff] [blame] | 576 | size_t data_payload_bytes = |
| 577 | data_count * camera_metadata_type_size[type]; |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 578 | camera_metadata_buffer_entry_t *entry = get_entries(dst) + dst->entry_count; |
Zhijun He | 3064d31 | 2013-07-15 13:55:11 -0700 | [diff] [blame] | 579 | memset(entry, 0, sizeof(camera_metadata_buffer_entry_t)); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 580 | entry->tag = tag; |
| 581 | entry->type = type; |
| 582 | entry->count = data_count; |
| 583 | |
| 584 | if (data_bytes == 0) { |
| 585 | memcpy(entry->data.value, data, |
Eino-Ville Talvala | 3154036 | 2012-11-07 16:36:50 -0800 | [diff] [blame] | 586 | data_payload_bytes); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 587 | } else { |
| 588 | entry->data.offset = dst->data_count; |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 589 | memcpy(get_data(dst) + entry->data.offset, data, |
Eino-Ville Talvala | 3154036 | 2012-11-07 16:36:50 -0800 | [diff] [blame] | 590 | data_payload_bytes); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 591 | dst->data_count += data_bytes; |
| 592 | } |
| 593 | dst->entry_count++; |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 594 | dst->flags &= ~FLAG_SORTED; |
Alex Ray | 151389f | 2013-11-12 18:09:31 -0800 | [diff] [blame] | 595 | assert(validate_camera_metadata_structure(dst, NULL) == OK); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 596 | return OK; |
| 597 | } |
| 598 | |
| 599 | int add_camera_metadata_entry(camera_metadata_t *dst, |
| 600 | uint32_t tag, |
| 601 | const void *data, |
| 602 | size_t data_count) { |
| 603 | |
| 604 | int type = get_camera_metadata_tag_type(tag); |
| 605 | if (type == -1) { |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 606 | ALOGE("%s: Unknown tag %04x.", __FUNCTION__, tag); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 607 | return ERROR; |
| 608 | } |
| 609 | |
| 610 | return add_camera_metadata_entry_raw(dst, |
| 611 | tag, |
| 612 | type, |
| 613 | data, |
| 614 | data_count); |
| 615 | } |
| 616 | |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 617 | static int compare_entry_tags(const void *p1, const void *p2) { |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 618 | uint32_t tag1 = ((camera_metadata_buffer_entry_t*)p1)->tag; |
| 619 | uint32_t tag2 = ((camera_metadata_buffer_entry_t*)p2)->tag; |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 620 | return tag1 < tag2 ? -1 : |
| 621 | tag1 == tag2 ? 0 : |
| 622 | 1; |
| 623 | } |
| 624 | |
| 625 | int sort_camera_metadata(camera_metadata_t *dst) { |
| 626 | if (dst == NULL) return ERROR; |
| 627 | if (dst->flags & FLAG_SORTED) return OK; |
| 628 | |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 629 | qsort(get_entries(dst), dst->entry_count, |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 630 | sizeof(camera_metadata_buffer_entry_t), |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 631 | compare_entry_tags); |
| 632 | dst->flags |= FLAG_SORTED; |
| 633 | |
Alex Ray | 151389f | 2013-11-12 18:09:31 -0800 | [diff] [blame] | 634 | assert(validate_camera_metadata_structure(dst, NULL) == OK); |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 635 | return OK; |
| 636 | } |
| 637 | |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 638 | int get_camera_metadata_entry(camera_metadata_t *src, |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 639 | size_t index, |
| 640 | camera_metadata_entry_t *entry) { |
| 641 | if (src == NULL || entry == NULL) return ERROR; |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 642 | if (index >= src->entry_count) return ERROR; |
| 643 | |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 644 | camera_metadata_buffer_entry_t *buffer_entry = get_entries(src) + index; |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 645 | |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 646 | entry->index = index; |
| 647 | entry->tag = buffer_entry->tag; |
| 648 | entry->type = buffer_entry->type; |
| 649 | entry->count = buffer_entry->count; |
| 650 | if (buffer_entry->count * |
| 651 | camera_metadata_type_size[buffer_entry->type] > 4) { |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 652 | entry->data.u8 = get_data(src) + buffer_entry->data.offset; |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 653 | } else { |
| 654 | entry->data.u8 = buffer_entry->data.value; |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 655 | } |
| 656 | return OK; |
| 657 | } |
| 658 | |
Alex Ray | 71fe0f8 | 2013-10-21 12:57:05 -0700 | [diff] [blame] | 659 | int get_camera_metadata_ro_entry(const camera_metadata_t *src, |
| 660 | size_t index, |
| 661 | camera_metadata_ro_entry_t *entry) { |
| 662 | return get_camera_metadata_entry((camera_metadata_t*)src, index, |
| 663 | (camera_metadata_entry_t*)entry); |
| 664 | } |
| 665 | |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 666 | int find_camera_metadata_entry(camera_metadata_t *src, |
| 667 | uint32_t tag, |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 668 | camera_metadata_entry_t *entry) { |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 669 | if (src == NULL) return ERROR; |
| 670 | |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 671 | uint32_t index; |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 672 | if (src->flags & FLAG_SORTED) { |
| 673 | // Sorted entries, do a binary search |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 674 | camera_metadata_buffer_entry_t *search_entry = NULL; |
| 675 | camera_metadata_buffer_entry_t key; |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 676 | key.tag = tag; |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 677 | search_entry = bsearch(&key, |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 678 | get_entries(src), |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 679 | src->entry_count, |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 680 | sizeof(camera_metadata_buffer_entry_t), |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 681 | compare_entry_tags); |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 682 | if (search_entry == NULL) return NOT_FOUND; |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 683 | index = search_entry - get_entries(src); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 684 | } else { |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 685 | // Not sorted, linear search |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 686 | camera_metadata_buffer_entry_t *search_entry = get_entries(src); |
| 687 | for (index = 0; index < src->entry_count; index++, search_entry++) { |
| 688 | if (search_entry->tag == tag) { |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 689 | break; |
| 690 | } |
| 691 | } |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 692 | if (index == src->entry_count) return NOT_FOUND; |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 693 | } |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 694 | |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 695 | return get_camera_metadata_entry(src, index, |
| 696 | entry); |
| 697 | } |
| 698 | |
Eino-Ville Talvala | 2f4aca6 | 2012-08-24 11:42:06 -0700 | [diff] [blame] | 699 | int find_camera_metadata_ro_entry(const camera_metadata_t *src, |
| 700 | uint32_t tag, |
| 701 | camera_metadata_ro_entry_t *entry) { |
| 702 | return find_camera_metadata_entry((camera_metadata_t*)src, tag, |
| 703 | (camera_metadata_entry_t*)entry); |
| 704 | } |
| 705 | |
| 706 | |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 707 | int delete_camera_metadata_entry(camera_metadata_t *dst, |
| 708 | size_t index) { |
| 709 | if (dst == NULL) return ERROR; |
| 710 | if (index >= dst->entry_count) return ERROR; |
| 711 | |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 712 | camera_metadata_buffer_entry_t *entry = get_entries(dst) + index; |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 713 | size_t data_bytes = calculate_camera_metadata_entry_data_size(entry->type, |
| 714 | entry->count); |
| 715 | |
| 716 | if (data_bytes > 0) { |
| 717 | // Shift data buffer to overwrite deleted data |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 718 | uint8_t *start = get_data(dst) + entry->data.offset; |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 719 | uint8_t *end = start + data_bytes; |
| 720 | size_t length = dst->data_count - entry->data.offset - data_bytes; |
| 721 | memmove(start, end, length); |
| 722 | |
| 723 | // Update all entry indices to account for shift |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 724 | camera_metadata_buffer_entry_t *e = get_entries(dst); |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 725 | size_t i; |
| 726 | for (i = 0; i < dst->entry_count; i++) { |
| 727 | if (calculate_camera_metadata_entry_data_size( |
| 728 | e->type, e->count) > 0 && |
| 729 | e->data.offset > entry->data.offset) { |
| 730 | e->data.offset -= data_bytes; |
| 731 | } |
| 732 | ++e; |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 733 | } |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 734 | dst->data_count -= data_bytes; |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 735 | } |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 736 | // Shift entry array |
| 737 | memmove(entry, entry + 1, |
| 738 | sizeof(camera_metadata_buffer_entry_t) * |
| 739 | (dst->entry_count - index - 1) ); |
| 740 | dst->entry_count -= 1; |
| 741 | |
Alex Ray | 151389f | 2013-11-12 18:09:31 -0800 | [diff] [blame] | 742 | assert(validate_camera_metadata_structure(dst, NULL) == OK); |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 743 | return OK; |
| 744 | } |
| 745 | |
| 746 | int update_camera_metadata_entry(camera_metadata_t *dst, |
| 747 | size_t index, |
| 748 | const void *data, |
| 749 | size_t data_count, |
| 750 | camera_metadata_entry_t *updated_entry) { |
| 751 | if (dst == NULL) return ERROR; |
| 752 | if (index >= dst->entry_count) return ERROR; |
| 753 | |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 754 | camera_metadata_buffer_entry_t *entry = get_entries(dst) + index; |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 755 | |
| 756 | size_t data_bytes = |
| 757 | calculate_camera_metadata_entry_data_size(entry->type, |
| 758 | data_count); |
Eino-Ville Talvala | 3154036 | 2012-11-07 16:36:50 -0800 | [diff] [blame] | 759 | size_t data_payload_bytes = |
| 760 | data_count * camera_metadata_type_size[entry->type]; |
| 761 | |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 762 | size_t entry_bytes = |
| 763 | calculate_camera_metadata_entry_data_size(entry->type, |
| 764 | entry->count); |
| 765 | if (data_bytes != entry_bytes) { |
| 766 | // May need to shift/add to data array |
| 767 | if (dst->data_capacity < dst->data_count + data_bytes - entry_bytes) { |
| 768 | // No room |
| 769 | return ERROR; |
| 770 | } |
| 771 | if (entry_bytes != 0) { |
| 772 | // Remove old data |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 773 | uint8_t *start = get_data(dst) + entry->data.offset; |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 774 | uint8_t *end = start + entry_bytes; |
| 775 | size_t length = dst->data_count - entry->data.offset - entry_bytes; |
| 776 | memmove(start, end, length); |
| 777 | dst->data_count -= entry_bytes; |
| 778 | |
| 779 | // Update all entry indices to account for shift |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 780 | camera_metadata_buffer_entry_t *e = get_entries(dst); |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 781 | size_t i; |
| 782 | for (i = 0; i < dst->entry_count; i++) { |
| 783 | if (calculate_camera_metadata_entry_data_size( |
| 784 | e->type, e->count) > 0 && |
| 785 | e->data.offset > entry->data.offset) { |
| 786 | e->data.offset -= entry_bytes; |
| 787 | } |
| 788 | ++e; |
| 789 | } |
| 790 | } |
| 791 | |
| 792 | if (data_bytes != 0) { |
| 793 | // Append new data |
| 794 | entry->data.offset = dst->data_count; |
| 795 | |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 796 | memcpy(get_data(dst) + entry->data.offset, data, data_payload_bytes); |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 797 | dst->data_count += data_bytes; |
| 798 | } |
| 799 | } else if (data_bytes != 0) { |
| 800 | // data size unchanged, reuse same data location |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 801 | memcpy(get_data(dst) + entry->data.offset, data, data_payload_bytes); |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 802 | } |
| 803 | |
| 804 | if (data_bytes == 0) { |
| 805 | // Data fits into entry |
| 806 | memcpy(entry->data.value, data, |
Eino-Ville Talvala | 3154036 | 2012-11-07 16:36:50 -0800 | [diff] [blame] | 807 | data_payload_bytes); |
Eino-Ville Talvala | f5fb8a5 | 2012-05-10 14:22:28 -0700 | [diff] [blame] | 808 | } |
| 809 | |
| 810 | entry->count = data_count; |
| 811 | |
| 812 | if (updated_entry != NULL) { |
| 813 | get_camera_metadata_entry(dst, |
| 814 | index, |
| 815 | updated_entry); |
| 816 | } |
| 817 | |
Alex Ray | 151389f | 2013-11-12 18:09:31 -0800 | [diff] [blame] | 818 | assert(validate_camera_metadata_structure(dst, NULL) == OK); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 819 | return OK; |
| 820 | } |
| 821 | |
Ruben Brunk | 9c13e19 | 2014-02-14 16:40:56 -0800 | [diff] [blame] | 822 | static const vendor_tag_ops_t *vendor_tag_ops = NULL; |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 823 | |
| 824 | const char *get_camera_metadata_section_name(uint32_t tag) { |
| 825 | uint32_t tag_section = tag >> 16; |
| 826 | if (tag_section >= VENDOR_SECTION && vendor_tag_ops != NULL) { |
Ruben Brunk | 9c13e19 | 2014-02-14 16:40:56 -0800 | [diff] [blame] | 827 | return vendor_tag_ops->get_section_name( |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 828 | vendor_tag_ops, |
| 829 | tag); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 830 | } |
| 831 | if (tag_section >= ANDROID_SECTION_COUNT) { |
| 832 | return NULL; |
| 833 | } |
| 834 | return camera_metadata_section_names[tag_section]; |
| 835 | } |
| 836 | |
| 837 | const char *get_camera_metadata_tag_name(uint32_t tag) { |
| 838 | uint32_t tag_section = tag >> 16; |
| 839 | if (tag_section >= VENDOR_SECTION && vendor_tag_ops != NULL) { |
Ruben Brunk | 9c13e19 | 2014-02-14 16:40:56 -0800 | [diff] [blame] | 840 | return vendor_tag_ops->get_tag_name( |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 841 | vendor_tag_ops, |
| 842 | tag); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 843 | } |
| 844 | if (tag_section >= ANDROID_SECTION_COUNT || |
| 845 | tag >= camera_metadata_section_bounds[tag_section][1] ) { |
| 846 | return NULL; |
| 847 | } |
| 848 | uint32_t tag_index = tag & 0xFFFF; |
| 849 | return tag_info[tag_section][tag_index].tag_name; |
| 850 | } |
| 851 | |
| 852 | int get_camera_metadata_tag_type(uint32_t tag) { |
| 853 | uint32_t tag_section = tag >> 16; |
| 854 | if (tag_section >= VENDOR_SECTION && vendor_tag_ops != NULL) { |
Ruben Brunk | 9c13e19 | 2014-02-14 16:40:56 -0800 | [diff] [blame] | 855 | return vendor_tag_ops->get_tag_type( |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 856 | vendor_tag_ops, |
| 857 | tag); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 858 | } |
| 859 | if (tag_section >= ANDROID_SECTION_COUNT || |
| 860 | tag >= camera_metadata_section_bounds[tag_section][1] ) { |
| 861 | return -1; |
| 862 | } |
| 863 | uint32_t tag_index = tag & 0xFFFF; |
| 864 | return tag_info[tag_section][tag_index].tag_type; |
| 865 | } |
| 866 | |
Ruben Brunk | 9c13e19 | 2014-02-14 16:40:56 -0800 | [diff] [blame] | 867 | int set_camera_metadata_vendor_tag_ops(const vendor_tag_query_ops_t* ops) { |
| 868 | // **DEPRECATED** |
| 869 | ALOGE("%s: This function has been deprecated", __FUNCTION__); |
| 870 | return ERROR; |
| 871 | } |
| 872 | |
| 873 | // Declared in system/media/private/camera/include/camera_metadata_hidden.h |
| 874 | int set_camera_metadata_vendor_ops(const vendor_tag_ops_t* ops) { |
| 875 | vendor_tag_ops = ops; |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 876 | return OK; |
| 877 | } |
| 878 | |
Igor Murashkin | 375cfd3 | 2012-12-03 13:55:33 -0800 | [diff] [blame] | 879 | static void print_data(int fd, const uint8_t *data_ptr, uint32_t tag, int type, |
| 880 | int count, |
Eino-Ville Talvala | 1d27e5b | 2012-07-30 10:46:22 -0700 | [diff] [blame] | 881 | int indentation); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 882 | |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 883 | void dump_camera_metadata(const camera_metadata_t *metadata, |
| 884 | int fd, |
| 885 | int verbosity) { |
Eino-Ville Talvala | 1d27e5b | 2012-07-30 10:46:22 -0700 | [diff] [blame] | 886 | dump_indented_camera_metadata(metadata, fd, verbosity, 0); |
| 887 | } |
| 888 | |
| 889 | void dump_indented_camera_metadata(const camera_metadata_t *metadata, |
| 890 | int fd, |
| 891 | int verbosity, |
| 892 | int indentation) { |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 893 | if (metadata == NULL) { |
Elliott Hughes | 8e86c9c | 2014-05-22 01:18:02 -0700 | [diff] [blame] | 894 | dprintf(fd, "%*sDumping camera metadata array: Not allocated\n", |
Eino-Ville Talvala | 2f4aca6 | 2012-08-24 11:42:06 -0700 | [diff] [blame] | 895 | indentation, ""); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 896 | return; |
| 897 | } |
| 898 | unsigned int i; |
Elliott Hughes | 8e86c9c | 2014-05-22 01:18:02 -0700 | [diff] [blame] | 899 | dprintf(fd, |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 900 | "%*sDumping camera metadata array: %" PRIu32 " / %" PRIu32 " entries, " |
| 901 | "%" PRIu32 " / %" PRIu32 " bytes of extra data.\n", indentation, "", |
Eino-Ville Talvala | 1d27e5b | 2012-07-30 10:46:22 -0700 | [diff] [blame] | 902 | metadata->entry_count, metadata->entry_capacity, |
| 903 | metadata->data_count, metadata->data_capacity); |
Elliott Hughes | 8e86c9c | 2014-05-22 01:18:02 -0700 | [diff] [blame] | 904 | dprintf(fd, "%*sVersion: %d, Flags: %08x\n", |
Eino-Ville Talvala | 1d27e5b | 2012-07-30 10:46:22 -0700 | [diff] [blame] | 905 | indentation + 2, "", |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 906 | metadata->version, metadata->flags); |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 907 | camera_metadata_buffer_entry_t *entry = get_entries(metadata); |
| 908 | for (i=0; i < metadata->entry_count; i++, entry++) { |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 909 | |
| 910 | const char *tag_name, *tag_section; |
| 911 | tag_section = get_camera_metadata_section_name(entry->tag); |
| 912 | if (tag_section == NULL) { |
| 913 | tag_section = "unknownSection"; |
| 914 | } |
| 915 | tag_name = get_camera_metadata_tag_name(entry->tag); |
| 916 | if (tag_name == NULL) { |
| 917 | tag_name = "unknownTag"; |
| 918 | } |
| 919 | const char *type_name; |
| 920 | if (entry->type >= NUM_TYPES) { |
| 921 | type_name = "unknown"; |
| 922 | } else { |
| 923 | type_name = camera_metadata_type_names[entry->type]; |
| 924 | } |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 925 | dprintf(fd, "%*s%s.%s (%05x): %s[%" PRIu32 "]\n", |
Eino-Ville Talvala | 1d27e5b | 2012-07-30 10:46:22 -0700 | [diff] [blame] | 926 | indentation + 2, "", |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 927 | tag_section, |
| 928 | tag_name, |
| 929 | entry->tag, |
| 930 | type_name, |
| 931 | entry->count); |
| 932 | |
| 933 | if (verbosity < 1) continue; |
| 934 | |
| 935 | if (entry->type >= NUM_TYPES) continue; |
| 936 | |
| 937 | size_t type_size = camera_metadata_type_size[entry->type]; |
| 938 | uint8_t *data_ptr; |
| 939 | if ( type_size * entry->count > 4 ) { |
| 940 | if (entry->data.offset >= metadata->data_count) { |
Narayan Kamath | 2153265 | 2014-05-30 15:25:18 +0100 | [diff] [blame] | 941 | ALOGE("%s: Malformed entry data offset: %" PRIu32 " (max %" PRIu32 ")", |
Eino-Ville Talvala | 94c1901 | 2012-04-04 15:30:06 -0700 | [diff] [blame] | 942 | __FUNCTION__, |
| 943 | entry->data.offset, |
| 944 | metadata->data_count); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 945 | continue; |
| 946 | } |
Eino-Ville Talvala | b10d56a | 2012-11-13 11:45:12 -0800 | [diff] [blame] | 947 | data_ptr = get_data(metadata) + entry->data.offset; |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 948 | } else { |
| 949 | data_ptr = entry->data.value; |
| 950 | } |
| 951 | int count = entry->count; |
| 952 | if (verbosity < 2 && count > 16) count = 16; |
| 953 | |
Igor Murashkin | 375cfd3 | 2012-12-03 13:55:33 -0800 | [diff] [blame] | 954 | print_data(fd, data_ptr, entry->tag, entry->type, count, indentation); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 955 | } |
| 956 | } |
| 957 | |
Igor Murashkin | 375cfd3 | 2012-12-03 13:55:33 -0800 | [diff] [blame] | 958 | static void print_data(int fd, const uint8_t *data_ptr, uint32_t tag, |
Eino-Ville Talvala | 1d27e5b | 2012-07-30 10:46:22 -0700 | [diff] [blame] | 959 | int type, int count, int indentation) { |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 960 | static int values_per_line[NUM_TYPES] = { |
| 961 | [TYPE_BYTE] = 16, |
| 962 | [TYPE_INT32] = 4, |
| 963 | [TYPE_FLOAT] = 8, |
| 964 | [TYPE_INT64] = 2, |
| 965 | [TYPE_DOUBLE] = 4, |
| 966 | [TYPE_RATIONAL] = 2, |
| 967 | }; |
| 968 | size_t type_size = camera_metadata_type_size[type]; |
Igor Murashkin | 375cfd3 | 2012-12-03 13:55:33 -0800 | [diff] [blame] | 969 | char value_string_tmp[CAMERA_METADATA_ENUM_STRING_MAX_SIZE]; |
| 970 | uint32_t value; |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 971 | |
| 972 | int lines = count / values_per_line[type]; |
| 973 | if (count % values_per_line[type] != 0) lines++; |
| 974 | |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 975 | int index = 0; |
| 976 | int j, k; |
| 977 | for (j = 0; j < lines; j++) { |
Elliott Hughes | 8e86c9c | 2014-05-22 01:18:02 -0700 | [diff] [blame] | 978 | dprintf(fd, "%*s[", indentation + 4, ""); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 979 | for (k = 0; |
| 980 | k < values_per_line[type] && count > 0; |
| 981 | k++, count--, index += type_size) { |
| 982 | |
| 983 | switch (type) { |
| 984 | case TYPE_BYTE: |
Igor Murashkin | 375cfd3 | 2012-12-03 13:55:33 -0800 | [diff] [blame] | 985 | value = *(data_ptr + index); |
| 986 | if (camera_metadata_enum_snprint(tag, |
| 987 | value, |
| 988 | value_string_tmp, |
| 989 | sizeof(value_string_tmp)) |
| 990 | == OK) { |
Elliott Hughes | 8e86c9c | 2014-05-22 01:18:02 -0700 | [diff] [blame] | 991 | dprintf(fd, "%s ", value_string_tmp); |
Igor Murashkin | 375cfd3 | 2012-12-03 13:55:33 -0800 | [diff] [blame] | 992 | } else { |
Elliott Hughes | 8e86c9c | 2014-05-22 01:18:02 -0700 | [diff] [blame] | 993 | dprintf(fd, "%hhu ", |
Igor Murashkin | 375cfd3 | 2012-12-03 13:55:33 -0800 | [diff] [blame] | 994 | *(data_ptr + index)); |
| 995 | } |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 996 | break; |
| 997 | case TYPE_INT32: |
Igor Murashkin | 375cfd3 | 2012-12-03 13:55:33 -0800 | [diff] [blame] | 998 | value = |
| 999 | *(int32_t*)(data_ptr + index); |
| 1000 | if (camera_metadata_enum_snprint(tag, |
| 1001 | value, |
| 1002 | value_string_tmp, |
| 1003 | sizeof(value_string_tmp)) |
| 1004 | == OK) { |
Elliott Hughes | 8e86c9c | 2014-05-22 01:18:02 -0700 | [diff] [blame] | 1005 | dprintf(fd, "%s ", value_string_tmp); |
Igor Murashkin | 375cfd3 | 2012-12-03 13:55:33 -0800 | [diff] [blame] | 1006 | } else { |
Elliott Hughes | 8e86c9c | 2014-05-22 01:18:02 -0700 | [diff] [blame] | 1007 | dprintf(fd, "%" PRId32 " ", |
Igor Murashkin | 375cfd3 | 2012-12-03 13:55:33 -0800 | [diff] [blame] | 1008 | *(int32_t*)(data_ptr + index)); |
| 1009 | } |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 1010 | break; |
| 1011 | case TYPE_FLOAT: |
Elliott Hughes | d1c3357 | 2014-05-22 10:53:20 -0700 | [diff] [blame] | 1012 | dprintf(fd, "%0.8f ", |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 1013 | *(float*)(data_ptr + index)); |
| 1014 | break; |
| 1015 | case TYPE_INT64: |
Elliott Hughes | 8e86c9c | 2014-05-22 01:18:02 -0700 | [diff] [blame] | 1016 | dprintf(fd, "%" PRId64 " ", |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 1017 | *(int64_t*)(data_ptr + index)); |
| 1018 | break; |
| 1019 | case TYPE_DOUBLE: |
Elliott Hughes | d1c3357 | 2014-05-22 10:53:20 -0700 | [diff] [blame] | 1020 | dprintf(fd, "%0.8f ", |
Eino-Ville Talvala | 3154036 | 2012-11-07 16:36:50 -0800 | [diff] [blame] | 1021 | *(double*)(data_ptr + index)); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 1022 | break; |
| 1023 | case TYPE_RATIONAL: { |
| 1024 | int32_t numerator = *(int32_t*)(data_ptr + index); |
| 1025 | int32_t denominator = *(int32_t*)(data_ptr + index + 4); |
Elliott Hughes | 8e86c9c | 2014-05-22 01:18:02 -0700 | [diff] [blame] | 1026 | dprintf(fd, "(%d / %d) ", |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 1027 | numerator, denominator); |
| 1028 | break; |
| 1029 | } |
| 1030 | default: |
Elliott Hughes | 8e86c9c | 2014-05-22 01:18:02 -0700 | [diff] [blame] | 1031 | dprintf(fd, "??? "); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 1032 | } |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 1033 | } |
Elliott Hughes | 8e86c9c | 2014-05-22 01:18:02 -0700 | [diff] [blame] | 1034 | dprintf(fd, "]\n"); |
Eino-Ville Talvala | d8afb4d | 2012-02-10 14:27:08 -0800 | [diff] [blame] | 1035 | } |
| 1036 | } |