62735086ed
Add* functions const to protect data being added. Initiailze metadata object from a camera_metadata_t. Remove template-specific constructor. Add convenience "add1" method to abvoid stack-allocated data. Construct templates manually (in ExampleCamera) from base. Change-Id: I3201f61e9d32841ea7a769d69242b40d8727c02e
59 lines
2.2 KiB
C++
59 lines
2.2 KiB
C++
/*
|
|
* Copyright (C) 2013 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 METADATA_H_
|
|
#define METADATA_H_
|
|
|
|
#include <stdint.h>
|
|
#include <hardware/camera3.h>
|
|
#include <system/camera_metadata.h>
|
|
|
|
namespace default_camera_hal {
|
|
// Metadata is a convenience class for dealing with libcamera_metadata
|
|
class Metadata {
|
|
public:
|
|
Metadata();
|
|
~Metadata();
|
|
// Initialize with framework metadata
|
|
int init(const camera_metadata_t *metadata);
|
|
|
|
// Parse and add an entry. Allocates and copies new storage for *data.
|
|
int addUInt8(uint32_t tag, int count, const uint8_t *data);
|
|
int add1UInt8(uint32_t tag, const uint8_t data);
|
|
int addInt32(uint32_t tag, int count, const int32_t *data);
|
|
int addFloat(uint32_t tag, int count, const float *data);
|
|
int addInt64(uint32_t tag, int count, const int64_t *data);
|
|
int addDouble(uint32_t tag, int count, const double *data);
|
|
int addRational(uint32_t tag, int count,
|
|
const camera_metadata_rational_t *data);
|
|
|
|
// Get a handle to the current metadata
|
|
// This is not a durable handle, and may be destroyed by add*/init
|
|
camera_metadata_t* get();
|
|
|
|
private:
|
|
// Actual internal storage
|
|
camera_metadata_t* mData;
|
|
// Destroy old metadata and replace with new
|
|
void replace(camera_metadata_t *m);
|
|
// Validate the tag, type and count for a metadata entry
|
|
bool validate(uint32_t tag, int tag_type, int count);
|
|
// Add a verified tag with data
|
|
int add(uint32_t tag, int count, const void *tag_data);
|
|
};
|
|
} // namespace default_camera_hal
|
|
|
|
#endif // METADATA_H_
|