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