1 /* 2 * Copyright 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef SYSTEM_MEDIA_PRIVATE_INCLUDE_CAMERA_METADATA_HIDDEN_H 18 #define SYSTEM_MEDIA_PRIVATE_INCLUDE_CAMERA_METADATA_HIDDEN_H 19 20 #include <system/camera_vendor_tags.h> 21 22 /** 23 * Error codes returned by vendor tags ops operations. These are intended 24 * to be used by all framework code that uses the return values from the 25 * vendor operations object. 26 */ 27 #define VENDOR_SECTION_NAME_ERR NULL 28 #define VENDOR_TAG_NAME_ERR NULL 29 #define VENDOR_TAG_COUNT_ERR (-1) 30 #define VENDOR_TAG_TYPE_ERR (-1) 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 /** **These are private functions for use only by the camera framework.** **/ 36 37 /** 38 * Set the global vendor tag operations object used to define vendor tag 39 * structure when parsing camera metadata with functions defined in 40 * system/media/camera/include/camera_metadata.h. 41 */ 42 ANDROID_API 43 int set_camera_metadata_vendor_ops(const vendor_tag_ops_t *query_ops); 44 45 /** 46 * Set the global vendor tag cache operations object used to define vendor tag 47 * structure when parsing camera metadata with functions defined in 48 * system/media/camera/include/camera_metadata.h. 49 */ 50 ANDROID_API 51 int set_camera_metadata_vendor_cache_ops( 52 const struct vendor_tag_cache_ops *query_cache_ops); 53 54 /** 55 * Set the vendor id for a particular metadata buffer. 56 */ 57 ANDROID_API 58 void set_camera_metadata_vendor_id(camera_metadata_t *meta, 59 metadata_vendor_id_t id); 60 61 /** 62 * Retrieve the vendor id for a particular metadata buffer. 63 */ 64 ANDROID_API 65 metadata_vendor_id_t get_camera_metadata_vendor_id( 66 const camera_metadata_t *meta); 67 68 /** 69 * Retrieve the type of a tag. Returns -1 if no such tag is defined. 70 */ 71 ANDROID_API 72 int get_local_camera_metadata_tag_type_vendor_id(uint32_t tag, 73 metadata_vendor_id_t id); 74 75 /** 76 * Retrieve the name of a tag. Returns NULL if no such tag is defined. 77 */ 78 ANDROID_API 79 const char *get_local_camera_metadata_tag_name_vendor_id(uint32_t tag, 80 metadata_vendor_id_t id); 81 82 /** 83 * Retrieve the name of a tag section. Returns NULL if no such tag is defined. 84 */ 85 ANDROID_API 86 const char *get_local_camera_metadata_section_name_vendor_id(uint32_t tag, 87 metadata_vendor_id_t id); 88 89 /** 90 * Retrieve the type of a tag. Returns -1 if no such tag is defined. 91 */ 92 ANDROID_API 93 int get_local_camera_metadata_tag_type_vendor_id(uint32_t tag, 94 metadata_vendor_id_t id); 95 96 #ifdef __cplusplus 97 } /* extern "C" */ 98 #endif 99 100 #endif /* SYSTEM_MEDIA_PRIVATE_INCLUDE_CAMERA_METADATA_HIDDEN_H */ 101