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/*
* Copyright 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef SYSTEM_MEDIA_PRIVATE_INCLUDE_CAMERA_METADATA_HIDDEN_H
#define SYSTEM_MEDIA_PRIVATE_INCLUDE_CAMERA_METADATA_HIDDEN_H
#include <system/camera_vendor_tags.h>
/**
* Error codes returned by vendor tags ops operations. These are intended
* to be used by all framework code that uses the return values from the
* vendor operations object.
*/
#define VENDOR_SECTION_NAME_ERR NULL
#define VENDOR_TAG_NAME_ERR NULL
#define VENDOR_TAG_COUNT_ERR (-1)
#define VENDOR_TAG_TYPE_ERR (-1)
#ifdef __cplusplus
extern "C" {
#endif
/** **These are private functions for use only by the camera framework.** **/
/**
* Set the global vendor tag operations object used to define vendor tag
* structure when parsing camera metadata with functions defined in
* system/media/camera/include/camera_metadata.h.
*/
ANDROID_API
int set_camera_metadata_vendor_ops(const vendor_tag_ops_t *query_ops);
/**
* Set the global vendor tag cache operations object used to define vendor tag
* structure when parsing camera metadata with functions defined in
* system/media/camera/include/camera_metadata.h.
*/
ANDROID_API
int set_camera_metadata_vendor_cache_ops(
const struct vendor_tag_cache_ops *query_cache_ops);
/**
* Set the vendor id for a particular metadata buffer.
*/
ANDROID_API
void set_camera_metadata_vendor_id(camera_metadata_t *meta,
metadata_vendor_id_t id);
/**
* Retrieve the vendor id for a particular metadata buffer.
*/
ANDROID_API
metadata_vendor_id_t get_camera_metadata_vendor_id(
const camera_metadata_t *meta);
/**
* Retrieve the type of a tag. Returns -1 if no such tag is defined.
*/
ANDROID_API
int get_local_camera_metadata_tag_type_vendor_id(uint32_t tag,
metadata_vendor_id_t id);
/**
* Retrieve the name of a tag. Returns NULL if no such tag is defined.
*/
ANDROID_API
const char *get_local_camera_metadata_tag_name_vendor_id(uint32_t tag,
metadata_vendor_id_t id);
/**
* Retrieve the name of a tag section. Returns NULL if no such tag is defined.
*/
ANDROID_API
const char *get_local_camera_metadata_section_name_vendor_id(uint32_t tag,
metadata_vendor_id_t id);
/**
* Retrieve the type of a tag. Returns -1 if no such tag is defined.
*/
ANDROID_API
int get_local_camera_metadata_tag_type_vendor_id(uint32_t tag,
metadata_vendor_id_t id);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* SYSTEM_MEDIA_PRIVATE_INCLUDE_CAMERA_METADATA_HIDDEN_H */
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