105 lines
4.2 KiB
C++
105 lines
4.2 KiB
C++
/*
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* Copyright (C) 2014-2017 Intel Corporation
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* Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd
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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 _CAMERA3_HAL_METADATAHELPER_H_
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#define _CAMERA3_HAL_METADATAHELPER_H_
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#include <CameraMetadata.h>
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#include "LogHelper.h"
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#define RK_GRALLOC_USAGE_SPECIFY_STRIDE 1ULL << 30
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/* ********************************************************************
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* Camera metadata auxiliary API
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*/
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USING_METADATA_NAMESPACE;
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using namespace android;
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NAMESPACE_DECLARATION {
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namespace MetadataHelper {
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void dumpMetadata(const camera_metadata_t * meta);
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bool getMetadataValue(const CameraMetadata &metadata, uint32_t tag, uint8_t & value, int count = -1);
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bool getMetadataValue(const CameraMetadata &metadata, uint32_t tag, int32_t & value, int count = -1);
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bool getMetadataValue(const CameraMetadata &metadata, uint32_t tag, int64_t & value, int count = -1);
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bool getMetadataValue(const CameraMetadata &metadata, uint32_t tag, float & value, int count = -1);
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bool getMetadataValue(const CameraMetadata &metadata, uint32_t tag, double & value, int count = -1);
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const void * getMetadataValues(const CameraMetadata &metadata, uint32_t tag, int type, int * count = nullptr);
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const void * getMetadataValues(const camera_metadata_t * metadata, uint32_t tag, int type, int * count = nullptr);
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camera_metadata_ro_entry getMetadataEntry(const camera_metadata_t *metadata, uint32_t tag, bool printError = true);
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void getValueByType(const camera_metadata_ro_entry_t& setting, int idx, uint8_t* value);
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void getValueByType(const camera_metadata_ro_entry_t& setting, int idx, int32_t* value);
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void getValueByType(const camera_metadata_ro_entry_t& setting, int idx, float* value);
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void getValueByType(const camera_metadata_ro_entry_t& setting, int idx, int64_t* value);
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void getValueByType(const camera_metadata_ro_entry_t& setting, int idx, double* value);
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/**
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* Convenience function to get a setting from a list of supported
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* Note that the "supported" entry MUST have the tag in it!
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* supported: it's a supported list
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* setting: it should be one of supported
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* value:
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* if the setting is one of the supported, return the value in the setting.
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* if the setting is not one of the supported, return the default one in supported.
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*/
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template <typename T>
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bool getSetting(const camera_metadata_ro_entry_t& supported,
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const camera_metadata_ro_entry_t& setting,
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T* value)
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{
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if (supported.count == 0) {
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LOGE("no supported option in xml for tag \"%s.%s\"",
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get_camera_metadata_section_name(supported.tag),
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get_camera_metadata_tag_name(supported.tag));
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return false;
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}
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T supportedVal = 0;
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if (setting.count == 1) {
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T settingVal = 0;
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getValueByType(setting, 0, &settingVal);
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for (size_t i = 0; i < supported.count; i++) {
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getValueByType(supported, i, &supportedVal);
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if (supportedVal == settingVal) {
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*value = settingVal;
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return true;
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}
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}
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LOGE("trying to use unsupported value %d for tag \"%s.%s\"",
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settingVal,
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get_camera_metadata_section_name(setting.tag),
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get_camera_metadata_tag_name(setting.tag));
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} else {
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LOGE("count for settings isn't one, can't check it, count:%zu", setting.count);
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}
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getValueByType(supported, 0, &supportedVal);
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LOGE("using default value %d instead of the setting", supportedVal);
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*value = supportedVal;
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return false;
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}
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status_t updateMetadata(camera_metadata_t * metadata, uint32_t tag, const void* data, size_t data_count);
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};
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} NAMESPACE_DECLARATION_END
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#endif // _CAMERA3_HAL_METADATAHELPER_H_
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