camera_metadata.h revision f5fb8a5516876c5a48cc44b4f1c99504e0b9f245
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#ifndef SYSTEM_CORE_INCLUDE_ANDROID_CAMERA_METADATA_H 18d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala#define SYSTEM_CORE_INCLUDE_ANDROID_CAMERA_METADATA_H 19d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 20d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala#include <string.h> 21d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala#include <stdint.h> 22d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala#include <cutils/compiler.h> 23d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 24d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala#ifdef __cplusplus 25d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalaextern "C" { 26d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala#endif 27d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 28d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 29d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Tag hierarchy and enum definitions for camera_metadata_entry 30d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * ============================================================================= 31d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 32d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 33d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 34d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Main enum definitions are in a separate file to make it easy to 35d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * maintain 36d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 37d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala#include "camera_metadata_tags.h" 38d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 39d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 40d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Enum range for each top-level category 41d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 42d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville TalvalaANDROID_API 43d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalaextern unsigned int camera_metadata_section_bounds[ANDROID_SECTION_COUNT][2]; 44d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville TalvalaANDROID_API 45d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalaextern const char *camera_metadata_section_names[ANDROID_SECTION_COUNT]; 46d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 47d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 48d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Type definitions for camera_metadata_entry 49d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * ============================================================================= 50d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 51d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalaenum { 52d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala // Unsigned 8-bit integer (uint8_t) 53d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala TYPE_BYTE = 0, 54d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala // Signed 32-bit integer (int32_t) 55d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala TYPE_INT32 = 1, 56d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala // 32-bit float (float) 57d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala TYPE_FLOAT = 2, 58d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala // Signed 64-bit integer (int64_t) 59d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala TYPE_INT64 = 3, 60d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala // 64-bit float (double) 61d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala TYPE_DOUBLE = 4, 62d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala // A 64-bit fraction (camera_metadata_rational_t) 63d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala TYPE_RATIONAL = 5, 64d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala // Number of type fields 65d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala NUM_TYPES 66d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala}; 67d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 68d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalatypedef struct camera_metadata_rational { 69d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala int32_t numerator; 70d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala int32_t denominator; 71d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} camera_metadata_rational_t; 72d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 73d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 74f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * A reference to a metadata entry in a buffer. 75f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * 76f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * The data union pointers point to the real data in the buffer, and can be 77f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * modified in-place if the count does not need to change. The count is the 78f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * number of entries in data of the entry's type, not a count of bytes. 79f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala */ 80f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvalatypedef struct camera_metadata_entry { 81f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala size_t index; 82f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala uint32_t tag; 83f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala uint8_t type; 84f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala size_t count; 85f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala union { 86f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala uint8_t *u8; 87f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala int32_t *i32; 88f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala float *f; 89f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala int64_t *i64; 90f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala double *d; 91f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala camera_metadata_rational_t *r; 92f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala } data; 93f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala} camera_metadata_entry_t; 94f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala 95f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala/** 96d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Size in bytes of each entry type 97d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 98d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville TalvalaANDROID_API 99f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvalaextern size_t camera_metadata_type_size[NUM_TYPES]; 100d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 101d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 102d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Main definitions for the metadata entry and array structures 103d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * ============================================================================= 104d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 105d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 106d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 107d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * A packet of metadata. This is a list of metadata entries, each of which has 108d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * an integer tag to identify its meaning, 'type' and 'count' field, and the 109d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * data, which contains a 'count' number of entries of type 'type'. The packet 110d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * has a fixed capacity for entries and for extra data. A new entry uses up one 111d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * entry slot, and possibly some amount of data capacity; the function 112d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * calculate_camera_metadata_entry_data_size() provides the amount of data 113d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * capacity that would be used up by an entry. 114d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * 115f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * Entries are not sorted by default, and are not forced to be unique - multiple 116f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * entries with the same tag are allowed. The packet will not dynamically resize 117f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * when full. 118d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * 119d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * The packet is contiguous in memory, with size in bytes given by 120d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * get_camera_metadata_size(). Therefore, it can be copied safely with memcpy() 121d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * to a buffer of sufficient size. The copy_camera_metadata() function is 122d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * intended for eliminating unused capacity in the destination packet. 123d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 124d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalastruct camera_metadata; 125d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalatypedef struct camera_metadata camera_metadata_t; 126d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 127d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 128d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Functions for manipulating camera metadata 129d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * ============================================================================= 130d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 131d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 132d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 133d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Allocate a new camera_metadata structure, with some initial space for entries 134d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * and extra data. The entry_capacity is measured in entry counts, and 135d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * data_capacity in bytes. The resulting structure is all contiguous in memory, 136d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * and can be freed with free_camera_metadata(). 137d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 138d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville TalvalaANDROID_API 139d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalacamera_metadata_t *allocate_camera_metadata(size_t entry_capacity, 140d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t data_capacity); 141d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 142d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 143d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Place a camera metadata structure into an existing buffer. Returns NULL if 144d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * the buffer is too small for the requested number of reserved entries and 145d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * bytes of data. The entry_capacity is measured in entry counts, and 146d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * data_capacity in bytes. If the buffer is larger than the required space, 147d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * unused space will be left at the end. If successful, returns a pointer to the 148d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * metadata header placed at the start of the buffer. It is the caller's 149d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * responsibility to free the original buffer; do not call 150d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * free_camera_metadata() with the returned pointer. 151d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 152d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville TalvalaANDROID_API 153d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalacamera_metadata_t *place_camera_metadata(void *dst, size_t dst_size, 154d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t entry_capacity, 155d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t data_capacity); 156d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 157d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 158d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Free a camera_metadata structure. Should only be used with structures 159d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * allocated with allocate_camera_metadata(). 160d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 161d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville TalvalaANDROID_API 162d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalavoid free_camera_metadata(camera_metadata_t *metadata); 163d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 164d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 165d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Calculate the buffer size needed for a metadata structure of entry_count 166d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * metadata entries, needing a total of data_count bytes of extra data storage. 167d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 168d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville TalvalaANDROID_API 169d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalasize_t calculate_camera_metadata_size(size_t entry_count, 170d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t data_count); 171d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 172d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 173d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Get current size of entire metadata structure in bytes, including reserved 174d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * but unused space. 175d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 176d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville TalvalaANDROID_API 177d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalasize_t get_camera_metadata_size(const camera_metadata_t *metadata); 178d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 179d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 180d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Get size of entire metadata buffer in bytes, not including reserved but 181d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * unused space. This is the amount of space needed by copy_camera_metadata for 182d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * its dst buffer. 183d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 184d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville TalvalaANDROID_API 185d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalasize_t get_camera_metadata_compact_size(const camera_metadata_t *metadata); 186d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 187d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 188d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Get the current number of entries in the metadata packet. 189d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 190d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville TalvalaANDROID_API 191d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalasize_t get_camera_metadata_entry_count(const camera_metadata_t *metadata); 192d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 193d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 194d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Get the maximum number of entries that could fit in the metadata packet. 195d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 196d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville TalvalaANDROID_API 197d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalasize_t get_camera_metadata_entry_capacity(const camera_metadata_t *metadata); 198d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 199d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 200d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Get the current count of bytes used for value storage in the metadata packet. 201d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 202d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville TalvalaANDROID_API 203d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalasize_t get_camera_metadata_data_count(const camera_metadata_t *metadata); 204d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 205d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 206d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Get the maximum count of bytes that could be used for value storage in the 207d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * metadata packet. 208d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 209d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville TalvalaANDROID_API 210d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalasize_t get_camera_metadata_data_capacity(const camera_metadata_t *metadata); 211d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 212d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 213d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Copy a metadata structure to a memory buffer, compacting it along the 214d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * way. That is, in the copied structure, entry_count == entry_capacity, and 215d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * data_count == data_capacity. 216d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * 217d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * If dst_size > get_camera_metadata_compact_size(), the unused bytes are at the 218d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * end of the buffer. If dst_size < get_camera_metadata_compact_size(), returns 219d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * NULL. Otherwise returns a pointer to the metadata structure header placed at 220d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * the start of dst. 221d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * 222d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Since the buffer was not allocated by allocate_camera_metadata, the caller is 223d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * responsible for freeing the underlying buffer when needed; do not call 224d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * free_camera_metadata. 225d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 226d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville TalvalaANDROID_API 227d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalacamera_metadata_t *copy_camera_metadata(void *dst, size_t dst_size, 228d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala const camera_metadata_t *src); 229d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 230d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 231d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Append camera metadata in src to an existing metadata structure in dst. This 232d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * does not resize the destination structure, so if it is too small, a non-zero 23394c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala * value is returned. On success, 0 is returned. Appending onto a sorted 23494c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala * structure results in a non-sorted combined structure. 235d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 236d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville TalvalaANDROID_API 237d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalaint append_camera_metadata(camera_metadata_t *dst, const camera_metadata_t *src); 238d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 239d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 240d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Calculate the number of bytes of extra data a given metadata entry will take 241d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * up. That is, if entry of 'type' with a payload of 'data_count' values is 242d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * added, how much will the value returned by get_camera_metadata_data_count() 243d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * be increased? This value may be zero, if no extra data storage is needed. 244d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 245d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville TalvalaANDROID_API 246d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalasize_t calculate_camera_metadata_entry_data_size(uint8_t type, 247d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t data_count); 248d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 249d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 250d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Add a metadata entry to a metadata structure. Returns 0 if the addition 251d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * succeeded. Returns a non-zero value if there is insufficient reserved space 252d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * left to add the entry, or if the tag is unknown. data_count is the number of 253d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * entries in the data array of the tag's type, not a count of 254d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * bytes. Vendor-defined tags can not be added using this method, unless 25594c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala * set_vendor_tag_query_ops() has been called first. Entries are always added to 25694c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala * the end of the structure (highest index), so after addition, a 25794c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala * previously-sorted array will be marked as unsorted. 258d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 259d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville TalvalaANDROID_API 260d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalaint add_camera_metadata_entry(camera_metadata_t *dst, 261d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala uint32_t tag, 262d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala const void *data, 263d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala size_t data_count); 264d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 265d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 266f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * Sort the metadata buffer for fast searching. If already marked as sorted, 267f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * does nothing. Adding or appending entries to the buffer will place the buffer 268f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * back into an unsorted state. 26994c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala */ 27094c1901a96c268f55012809f8261f2ec89c16deaEino-Ville TalvalaANDROID_API 27194c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvalaint sort_camera_metadata(camera_metadata_t *dst); 27294c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala 27394c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala/** 274f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * Get metadata entry at position index in the metadata buffer. 275d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * 276f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * src and index are inputs; the passed-in entry is updated with the details of 277f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * the entry. The data pointer points to the real data in the buffer, and can be 278f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * updated as long as the data count does not change. 279d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 280d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville TalvalaANDROID_API 281d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalaint get_camera_metadata_entry(camera_metadata_t *src, 282f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala size_t index, 283f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala camera_metadata_entry_t *entry); 284d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 285d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 28694c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala * Find an entry with given tag value. If not found, returns -ENOENT. Otherwise, 287f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * returns entry contents like get_camera_metadata_entry. 28894c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala * 289f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * If multiple entries with the same tag exist, does not have any guarantees on 290f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * which is returned. To speed up searching for tags, sort the metadata 291f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * structure first by calling sort_camera_metadata(). 29294c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala */ 29394c1901a96c268f55012809f8261f2ec89c16deaEino-Ville TalvalaANDROID_API 29494c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvalaint find_camera_metadata_entry(camera_metadata_t *src, 29594c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala uint32_t tag, 296f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala camera_metadata_entry_t *entry); 297f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala 298f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala/** 299f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * Delete an entry at given index. This is an expensive operation, since it 300f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * requires repacking entries and possibly entry data. This also invalidates any 301f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * existing camera_metadata_entry.data pointers to this buffer. Sorting is 302f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * maintained. 303f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala */ 304f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville TalvalaANDROID_API 305f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvalaint delete_camera_metadata_entry(camera_metadata_t *dst, 306f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala size_t index); 307f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala 308f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala/** 309f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * Updates a metadata entry with new data. If the data size is changing, may 310f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * need to adjust the data array, making this an O(N) operation. If the data 311f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * size is the same or still fits in the entry space, this is O(1). Maintains 312f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * sorting, but invalidates camera_metadata_entry instances that point to the 313f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * updated entry. If a non-NULL value is passed in to entry, the entry structure 314f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * is updated to match the new buffer state. Returns a non-zero value if there 315f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala * is no room for the new data in the buffer. 316f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala */ 317f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville TalvalaANDROID_API 318f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvalaint update_camera_metadata_entry(camera_metadata_t *dst, 319f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala size_t index, 320f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala const void *data, 321f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala size_t data_count, 322f5fb8a5516876c5a48cc44b4f1c99504e0b9f245Eino-Ville Talvala camera_metadata_entry_t *updated_entry); 32394c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala 32494c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala/** 325d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Retrieve human-readable name of section the tag is in. Returns NULL if 326d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * no such tag is defined. Returns NULL for tags in the vendor section, unless 327d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * set_vendor_tag_query_ops() has been used. 328d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 329d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville TalvalaANDROID_API 330d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalaconst char *get_camera_metadata_section_name(uint32_t tag); 331d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 332d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 333d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Retrieve human-readable name of tag (not including section). Returns NULL if 334d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * no such tag is defined. Returns NULL for tags in the vendor section, unless 335d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * set_vendor_tag_query_ops() has been used. 336d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 337d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville TalvalaANDROID_API 338d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalaconst char *get_camera_metadata_tag_name(uint32_t tag); 339d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 340d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 341d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Retrieve the type of a tag. Returns -1 if no such tag is defined. Returns -1 342d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * for tags in the vendor section, unless set_vendor_tag_query_ops() has been 343d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * used. 344d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 345d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville TalvalaANDROID_API 346d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalaint get_camera_metadata_tag_type(uint32_t tag); 347d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 348d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 349d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Set up vendor-specific tag query methods. These are needed to properly add 350d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * entries with vendor-specified tags and to use the 351d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * get_camera_metadata_section_name, _tag_name, and _tag_type methods with 352d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * vendor tags. Returns 0 on success. 353d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 35494c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvalatypedef struct vendor_tag_query_ops vendor_tag_query_ops_t; 35594c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvalastruct vendor_tag_query_ops { 356d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala /** 357d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Get vendor section name for a vendor-specified entry tag. Only called for 358d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * tags >= 0x80000000. The section name must start with the name of the 359d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * vendor in the Java package style. For example, CameraZoom inc must prefix 360d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * their sections with "com.camerazoom." Must return NULL if the tag is 361d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * outside the bounds of vendor-defined sections. 362d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 36394c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala const char *(*get_camera_vendor_section_name)( 36494c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala const vendor_tag_query_ops_t *v, 36594c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala uint32_t tag); 366d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala /** 367d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Get tag name for a vendor-specified entry tag. Only called for tags >= 368d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * 0x80000000. Must return NULL if the tag is outside the bounds of 369d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * vendor-defined sections. 370d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 37194c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala const char *(*get_camera_vendor_tag_name)( 37294c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala const vendor_tag_query_ops_t *v, 37394c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala uint32_t tag); 374d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala /** 375d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Get tag type for a vendor-specified entry tag. Only called for tags >= 376d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * 0x80000000. Must return -1 if the tag is outside the bounds of 377d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * vendor-defined sections. 378d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 37994c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala int (*get_camera_vendor_tag_type)( 38094c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala const vendor_tag_query_ops_t *v, 38194c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala uint32_t tag); 38294c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala}; 383d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 384d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville TalvalaANDROID_API 385d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalaint set_camera_metadata_vendor_tag_ops(const vendor_tag_query_ops_t *query_ops); 386d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 387d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala/** 388d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * Print fields in the metadata to the log. 389d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * verbosity = 0: Only tag entry information 390d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * verbosity = 1: Tag entry information plus at most 16 data values 391d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala * verbosity = 2: All information 392d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala */ 393d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville TalvalaANDROID_API 394d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvalavoid dump_camera_metadata(const camera_metadata_t *metadata, 39594c1901a96c268f55012809f8261f2ec89c16deaEino-Ville Talvala int fd, 396d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala int verbosity); 397d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 398d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala#ifdef __cplusplus 399d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala} 400d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala#endif 401d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala 402d8afb4d1a4245b2a9d722cbb358a4d6febed89cfEino-Ville Talvala#endif 403