camera_metadata.c revision d8afb4d1a4245b2a9d722cbb358a4d6febed89cf
1d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/* 2d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Copyright (C) 2012 The Android Open Source Project 3d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * 4d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Licensed under the Apache License, Version 2.0 (the "License"); 5d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * you may not use this file except in compliance with the License. 6d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * You may obtain a copy of the License at 7d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * 8d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * http://www.apache.org/licenses/LICENSE-2.0 9d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * 10d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Unless required by applicable law or agreed to in writing, software 11d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * distributed under the License is distributed on an "AS IS" BASIS, 12d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * See the License for the specific language governing permissions and 14d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * limitations under the License. 15d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 16d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 17d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala#include <system/camera_metadata.h> 18d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala#include <cutils/log.h> 19d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 20d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala#define OK 0 21d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala#define ERROR 1 22d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 23d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 24d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * A single metadata entry, storing an array of values of a given type. If the 25d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * array is no larger than 4 bytes in size, it is stored in the data.value[] 26d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * array; otherwise, it can found in the parent's data array at index 27d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * data.offset. 28d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 29d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalatypedef struct camera_metadata_entry { 30d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala uint32_t tag; 31d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t count; 32d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala union { 33d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t offset; 34d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala uint8_t value[4]; 35d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } data; 36d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala uint8_t type; 37d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala uint8_t reserved[3]; 38d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} __attribute__((packed)) camera_metadata_entry_t; 39d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 40d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 41d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * A packet of metadata. This is a list of entries, each of which may point to 42d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * its values stored at an offset in data. 43d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * 44d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * It is assumed by the utility functions that the memory layout of the packet 45d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * is as follows: 46d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * 47d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * |----------------------------------------| 48d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * | camera_metadata_t | 49d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * | | 50d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * |----------------------------------------| 51d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * | reserved for future expansion | 52d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * |----------------------------------------| 53d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * | camera_metadata_entry_t #0 | 54d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * |----------------------------------------| 55d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * | .... | 56d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * |----------------------------------------| 57d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * | camera_metadata_entry_t #entry_count-1 | 58d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * |----------------------------------------| 59d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * | free space for | 60d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * | (entry_capacity-entry_count) entries | 61d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * |----------------------------------------| 62d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * | start of camera_metadata.data | 63d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * | | 64d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * |----------------------------------------| 65d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * | free space for | 66d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * | (data_capacity-data_count) bytes | 67d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * |----------------------------------------| 68d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * 69d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * With the total length of the whole packet being camera_metadata.size bytes. 70d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * 71d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * In short, the entries and data are contiguous in memory after the metadata 72d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * header. 73d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 74d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalastruct camera_metadata { 75d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t size; 76d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t entry_count; 77d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t entry_capacity; 78d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala camera_metadata_entry_t *entries; 79d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t data_count; 80d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t data_capacity; 81d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala uint8_t *data; 82d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala uint8_t reserved[0]; 83d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala}; 84d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 85d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalatypedef struct tag_info { 86d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala const char *tag_name; 87d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala uint8_t tag_type; 88d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} tag_info_t; 89d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 90d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala#include "camera_metadata_tag_info.c" 91d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 92d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalasize_t camera_metadata_type_size[NUM_TYPES] = { 93d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala [TYPE_BYTE] = sizeof(uint8_t), 94d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala [TYPE_INT32] = sizeof(int32_t), 95d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala [TYPE_FLOAT] = sizeof(float), 96d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala [TYPE_INT64] = sizeof(int64_t), 97d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala [TYPE_DOUBLE] = sizeof(double), 98d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala [TYPE_RATIONAL] = sizeof(camera_metadata_rational_t) 99d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala}; 100d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 101d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalachar *camera_metadata_type_names[NUM_TYPES] = { 102d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala [TYPE_BYTE] = "byte", 103d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala [TYPE_INT32] = "int32", 104d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala [TYPE_FLOAT] = "float", 105d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala [TYPE_INT64] = "int64", 106d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala [TYPE_RATIONAL] = "rational" 107d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala}; 108d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 109d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalacamera_metadata_t *allocate_camera_metadata(size_t entry_capacity, 110d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t data_capacity) { 111d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t memory_needed = calculate_camera_metadata_size(entry_capacity, 112d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala data_capacity); 113d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala void *buffer = malloc(memory_needed); 114d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return place_camera_metadata(buffer, memory_needed, 115d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala entry_capacity, 116d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala data_capacity); 117d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} 118d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 119d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalacamera_metadata_t *place_camera_metadata(void *dst, 120d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t dst_size, 121d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t entry_capacity, 122d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t data_capacity) { 123d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (dst == NULL) return NULL; 124d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (entry_capacity == 0) return NULL; 125d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 126d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t memory_needed = calculate_camera_metadata_size(entry_capacity, 127d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala data_capacity); 128d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (memory_needed > dst_size) return NULL; 129d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 130d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala camera_metadata_t *metadata = (camera_metadata_t*)dst; 131d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala metadata->entry_count = 0; 132d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala metadata->entry_capacity = entry_capacity; 133d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala metadata->entries = (camera_metadata_entry_t*)(metadata + 1); 134d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala metadata->data_count = 0; 135d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala metadata->data_capacity = data_capacity; 136d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala metadata->size = memory_needed; 137d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (metadata->data_capacity != 0) { 138d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala metadata->data = 139d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala (uint8_t*)(metadata->entries + metadata->entry_capacity); 140d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } else { 141d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala metadata->data = NULL; 142d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 143d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 144d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return metadata; 145d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} 146d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalavoid free_camera_metadata(camera_metadata_t *metadata) { 147d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala free(metadata); 148d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} 149d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 150d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalasize_t calculate_camera_metadata_size(size_t entry_count, 151d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t data_count) { 152d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t memory_needed = sizeof(camera_metadata_t); 153d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala memory_needed += sizeof(camera_metadata_entry_t[entry_count]); 154d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala memory_needed += sizeof(uint8_t[data_count]); 155d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return memory_needed; 156d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} 157d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 158d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalasize_t get_camera_metadata_size(const camera_metadata_t *metadata) { 159d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (metadata == NULL) return ERROR; 160d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 161d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return metadata->size; 162d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} 163d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 164d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalasize_t get_camera_metadata_compact_size(const camera_metadata_t *metadata) { 165d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (metadata == NULL) return ERROR; 166d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 167d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala ptrdiff_t reserved_size = metadata->size - 168d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala calculate_camera_metadata_size(metadata->entry_capacity, 169d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala metadata->data_capacity); 170d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 171d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return calculate_camera_metadata_size(metadata->entry_count, 172d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala metadata->data_count) + reserved_size; 173d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} 174d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 175d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalasize_t get_camera_metadata_entry_count(const camera_metadata_t *metadata) { 176d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return metadata->entry_count; 177d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} 178d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 179d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalasize_t get_camera_metadata_entry_capacity(const camera_metadata_t *metadata) { 180d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return metadata->entry_capacity; 181d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} 182d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 183d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalasize_t get_camera_metadata_data_count(const camera_metadata_t *metadata) { 184d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return metadata->data_count; 185d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} 186d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 187d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalasize_t get_camera_metadata_data_capacity(const camera_metadata_t *metadata) { 188d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return metadata->data_capacity; 189d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} 190d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 191d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalacamera_metadata_t* copy_camera_metadata(void *dst, size_t dst_size, 192d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala const camera_metadata_t *src) { 193d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t memory_needed = get_camera_metadata_compact_size(src); 194d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 195d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (dst == NULL) return NULL; 196d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (dst_size < memory_needed) return NULL; 197d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 198d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala // If copying a newer version of the structure, there may be additional 199d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala // header fields we don't know about but need to copy 200d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala ptrdiff_t reserved_size = src->size - 201d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala calculate_camera_metadata_size(src->entry_capacity, 202d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala src->data_capacity); 203d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 204d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala camera_metadata_t *metadata = (camera_metadata_t*)dst; 205d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala metadata->entry_count = src->entry_count; 206d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala metadata->entry_capacity = src->entry_count; 207d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala metadata->entries = (camera_metadata_entry_t*) 208d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala ((uint8_t *)(metadata + 1) + reserved_size); 209d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala metadata->data_count = src->data_count; 210d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala metadata->data_capacity = src->data_count; 211d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala metadata->data = (uint8_t *)(metadata->entries + metadata->entry_capacity); 212d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala metadata->size = memory_needed; 213d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 214d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (reserved_size > 0) { 215d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala memcpy(metadata->reserved, src->reserved, reserved_size); 216d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 217d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala memcpy(metadata->entries, src->entries, 218d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala sizeof(camera_metadata_entry_t[metadata->entry_count])); 219d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala memcpy(metadata->data, src->data, 220d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala sizeof(uint8_t[metadata->data_count])); 221d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 222d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return metadata; 223d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} 224d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 225d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalaint append_camera_metadata(camera_metadata_t *dst, 226d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala const camera_metadata_t *src) { 227d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (dst == NULL || src == NULL ) return ERROR; 228d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 229d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (dst->entry_capacity < src->entry_count + dst->entry_count) return ERROR; 230d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (dst->data_capacity < src->data_count + dst->data_count) return ERROR; 231d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 232d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala memcpy(dst->entries + dst->entry_count, src->entries, 233d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala sizeof(camera_metadata_entry_t[src->entry_count])); 234d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala memcpy(dst->data + dst->data_count, src->data, 235d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala sizeof(uint8_t[src->data_count])); 236d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (dst->data_count != 0) { 237d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala unsigned int i; 238d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala for (i = dst->entry_count; 239d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala i < dst->entry_count + src->entry_count; 240d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala i++) { 241d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala camera_metadata_entry_t *entry = dst->entries + i; 242d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if ( camera_metadata_type_size[entry->type] * entry->count > 4 ) { 243d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala entry->data.offset += dst->data_count; 244d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 245d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 246d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 247d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala dst->entry_count += src->entry_count; 248d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala dst->data_count += src->data_count; 249d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 250d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return OK; 251d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} 252d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 253d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalasize_t calculate_camera_metadata_entry_data_size(uint8_t type, 254d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t data_count) { 255d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (type >= NUM_TYPES) return 0; 256d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t data_bytes = data_count * 257d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala camera_metadata_type_size[type]; 258d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return data_bytes <= 4 ? 0 : data_bytes; 259d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} 260d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 261d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalaint add_camera_metadata_entry_raw(camera_metadata_t *dst, 262d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala uint32_t tag, 263d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala uint8_t type, 264d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala const void *data, 265d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t data_count) { 266d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 267d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (dst == NULL) return ERROR; 268d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (dst->entry_count == dst->entry_capacity) return ERROR; 269d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (data == NULL) return ERROR; 270d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 271d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t data_bytes = 272d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala calculate_camera_metadata_entry_data_size(type, data_count); 273d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 274d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala camera_metadata_entry_t *entry = dst->entries + dst->entry_count; 275d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala entry->tag = tag; 276d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala entry->type = type; 277d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala entry->count = data_count; 278d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 279d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (data_bytes == 0) { 280d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala memcpy(entry->data.value, data, 281d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala data_count * camera_metadata_type_size[type] ); 282d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } else { 283d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala entry->data.offset = dst->data_count; 284d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala memcpy(dst->data + entry->data.offset, data, data_bytes); 285d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala dst->data_count += data_bytes; 286d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 287d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala dst->entry_count++; 288d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return OK; 289d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} 290d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 291d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalaint add_camera_metadata_entry(camera_metadata_t *dst, 292d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala uint32_t tag, 293d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala const void *data, 294d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t data_count) { 295d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 296d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala int type = get_camera_metadata_tag_type(tag); 297d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (type == -1) { 298d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala ALOGE("Unknown tag %04x (can't find type)", tag); 299d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return ERROR; 300d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 301d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 302d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return add_camera_metadata_entry_raw(dst, 303d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala tag, 304d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala type, 305d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala data, 306d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala data_count); 307d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} 308d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 309d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalaint get_camera_metadata_entry(camera_metadata_t *src, 310d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala uint32_t index, 311d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala uint32_t *tag, 312d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala uint8_t *type, 313d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala void **data, 314d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t *data_count) { 315d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (src == NULL ) return ERROR; 316d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (tag == NULL) return ERROR; 317d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (type == NULL ) return ERROR; 318d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (data == NULL) return ERROR; 319d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (data_count == NULL) return ERROR; 320d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 321d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (index >= src->entry_count) return ERROR; 322d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 323d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala camera_metadata_entry_t *entry = src->entries + index; 324d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 325d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala *tag = entry->tag; 326d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala *type = entry->type; 327d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala *data_count = entry->count; 328d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (entry->count * camera_metadata_type_size[entry->type] > 4) { 329d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala *data = src->data + entry->data.offset; 330d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } else { 331d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala *data = entry->data.value; 332d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 333d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return OK; 334d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} 335d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 336d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalastatic const vendor_tag_query_ops_t *vendor_tag_ops = NULL; 337d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 338d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalaconst char *get_camera_metadata_section_name(uint32_t tag) { 339d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala uint32_t tag_section = tag >> 16; 340d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (tag_section >= VENDOR_SECTION && vendor_tag_ops != NULL) { 341d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return vendor_tag_ops->get_camera_vendor_section_name(tag); 342d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 343d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (tag_section >= ANDROID_SECTION_COUNT) { 344d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return NULL; 345d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 346d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return camera_metadata_section_names[tag_section]; 347d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} 348d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 349d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalaconst char *get_camera_metadata_tag_name(uint32_t tag) { 350d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala uint32_t tag_section = tag >> 16; 351d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (tag_section >= VENDOR_SECTION && vendor_tag_ops != NULL) { 352d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return vendor_tag_ops->get_camera_vendor_tag_name(tag); 353d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 354d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (tag_section >= ANDROID_SECTION_COUNT || 355d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala tag >= camera_metadata_section_bounds[tag_section][1] ) { 356d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return NULL; 357d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 358d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala uint32_t tag_index = tag & 0xFFFF; 359d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return tag_info[tag_section][tag_index].tag_name; 360d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} 361d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 362d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalaint get_camera_metadata_tag_type(uint32_t tag) { 363d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala uint32_t tag_section = tag >> 16; 364d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (tag_section >= VENDOR_SECTION && vendor_tag_ops != NULL) { 365d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return vendor_tag_ops->get_camera_vendor_tag_type(tag); 366d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 367d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (tag_section >= ANDROID_SECTION_COUNT || 368d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala tag >= camera_metadata_section_bounds[tag_section][1] ) { 369d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return -1; 370d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 371d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala uint32_t tag_index = tag & 0xFFFF; 372d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return tag_info[tag_section][tag_index].tag_type; 373d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} 374d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 375d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalaint set_camera_metadata_vendor_tag_ops(const vendor_tag_query_ops_t *query_ops) { 376d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala vendor_tag_ops = query_ops; 377d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return OK; 378d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} 379d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 380d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalavoid print_data(const uint8_t *data_ptr, int type, int count); 381d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 382d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalavoid dump_camera_metadata(const camera_metadata_t *metadata, int verbosity) { 383d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (metadata == NULL) { 384d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala ALOGE("Metadata is null."); 385d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala return; 386d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 387d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala unsigned int i; 388d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala ALOGD("Dumping camera metadata array. %d entries, %d bytes of extra data.", 389d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala metadata->entry_count, metadata->data_count); 390d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala ALOGD(" (%d entries and %d bytes data reserved)", 391d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala metadata->entry_capacity, metadata->data_capacity); 392d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala for (i=0; i < metadata->entry_count; i++) { 393d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala camera_metadata_entry_t *entry = metadata->entries + i; 394d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 395d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala const char *tag_name, *tag_section; 396d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala tag_section = get_camera_metadata_section_name(entry->tag); 397d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (tag_section == NULL) { 398d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala tag_section = "unknownSection"; 399d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 400d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala tag_name = get_camera_metadata_tag_name(entry->tag); 401d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (tag_name == NULL) { 402d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala tag_name = "unknownTag"; 403d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 404d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala const char *type_name; 405d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (entry->type >= NUM_TYPES) { 406d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala type_name = "unknown"; 407d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } else { 408d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala type_name = camera_metadata_type_names[entry->type]; 409d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 410d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala ALOGD("Tag: %s.%s (%05x): %s[%d]", 411d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala tag_section, 412d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala tag_name, 413d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala entry->tag, 414d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala type_name, 415d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala entry->count); 416d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 417d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (verbosity < 1) continue; 418d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 419d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (entry->type >= NUM_TYPES) continue; 420d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 421d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t type_size = camera_metadata_type_size[entry->type]; 422d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala uint8_t *data_ptr; 423d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if ( type_size * entry->count > 4 ) { 424d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (entry->data.offset >= metadata->data_count) { 425d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala ALOGE("Malformed entry data offset: %d (max %d)", 426d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala entry->data.offset, 427d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala metadata->data_count); 428d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala continue; 429d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 430d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala data_ptr = metadata->data + entry->data.offset; 431d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } else { 432d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala data_ptr = entry->data.value; 433d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 434d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala int count = entry->count; 435d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (verbosity < 2 && count > 16) count = 16; 436d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 437d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala print_data(data_ptr, entry->type, count); 438d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 439d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} 440d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 441d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalavoid print_data(const uint8_t *data_ptr, int type, int count) { 442d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala static int values_per_line[NUM_TYPES] = { 443d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala [TYPE_BYTE] = 16, 444d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala [TYPE_INT32] = 4, 445d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala [TYPE_FLOAT] = 8, 446d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala [TYPE_INT64] = 2, 447d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala [TYPE_DOUBLE] = 4, 448d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala [TYPE_RATIONAL] = 2, 449d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala }; 450d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t type_size = camera_metadata_type_size[type]; 451d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 452d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala int lines = count / values_per_line[type]; 453d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala if (count % values_per_line[type] != 0) lines++; 454d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 455d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala char tmp1[80], tmp2[80]; 456d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 457d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala int index = 0; 458d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala int j, k; 459d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala for (j = 0; j < lines; j++) { 460d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala tmp1[0] = 0; 461d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala for (k = 0; 462d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala k < values_per_line[type] && count > 0; 463d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala k++, count--, index += type_size) { 464d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 465d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala switch (type) { 466d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala case TYPE_BYTE: 467d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala snprintf(tmp2, sizeof(tmp2), "%hhu ", 468d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala *(data_ptr + index)); 469d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala break; 470d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala case TYPE_INT32: 471d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala snprintf(tmp2, sizeof(tmp2), "%d ", 472d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala *(int32_t*)(data_ptr + index)); 473d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala break; 474d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala case TYPE_FLOAT: 475d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala snprintf(tmp2, sizeof(tmp2), "%0.2f ", 476d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala *(float*)(data_ptr + index)); 477d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala break; 478d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala case TYPE_INT64: 479d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala snprintf(tmp2, sizeof(tmp2), "%lld ", 480d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala *(int64_t*)(data_ptr + index)); 481d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala break; 482d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala case TYPE_DOUBLE: 483d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala snprintf(tmp2, sizeof(tmp2), "%0.2f ", 484d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala *(float*)(data_ptr + index)); 485d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala break; 486d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala case TYPE_RATIONAL: { 487d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala int32_t numerator = *(int32_t*)(data_ptr + index); 488d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala int32_t denominator = *(int32_t*)(data_ptr + index + 4); 489d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala snprintf(tmp2, sizeof(tmp2), "(%d / %d) ", 490d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala numerator, denominator); 491d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala break; 492d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 493d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala default: 494d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala snprintf(tmp2, sizeof(tmp2), "??? "); 495d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 496d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala strncat(tmp1, tmp2, sizeof(tmp1)); 497d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 498d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala ALOGD(" [ %s]", tmp1); 499d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala } 500d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} 501