mirror of
https://github.com/chararomandroid/android_device_samsung_a20
synced 2026-08-21 11:55:31 -04:00
f8eb3e1258Addtitionally, Add device-specific trees as well Change-Id: Icbbc31c063b18bce3702d0b208a0aee78148a7c0 Signed-off-by: roynatech2544 <whiteshell2544@naver.com>
466 lines
14 KiB
C++
466 lines
14 KiB
C++
/*
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* Copyright (C) 2012 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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// #define LOG_NDEBUG 0
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#define LOG_TAG "Camera2-Metadata"
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#include <log/log.h>
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#include <utils/Errors.h>
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#include "CameraMetadata.h"
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namespace android {
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#define ALIGN_TO(val, alignment) \
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(((uintptr_t)(val) + ((alignment) - 1)) & ~((alignment) - 1))
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CameraMetadata::CameraMetadata() :
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mBuffer(NULL), mLocked(false) {
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}
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CameraMetadata::CameraMetadata(size_t entryCapacity, size_t dataCapacity) :
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mLocked(false)
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{
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mBuffer = allocate_camera_metadata(entryCapacity, dataCapacity);
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}
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CameraMetadata::CameraMetadata(const CameraMetadata &other) :
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mLocked(false) {
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mBuffer = clone_camera_metadata(other.mBuffer);
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}
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CameraMetadata::CameraMetadata(camera_metadata_t *buffer) :
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mBuffer(NULL), mLocked(false) {
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acquire(buffer);
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}
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CameraMetadata &CameraMetadata::operator=(const CameraMetadata &other) {
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return operator=(other.mBuffer);
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}
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CameraMetadata &CameraMetadata::operator=(const camera_metadata_t *buffer) {
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if (mLocked) {
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ALOGE("%s: Assignment to a locked CameraMetadata!", __FUNCTION__);
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return *this;
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}
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if (CC_LIKELY(buffer != mBuffer)) {
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camera_metadata_t *newBuffer = clone_camera_metadata(buffer);
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clear();
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mBuffer = newBuffer;
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}
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return *this;
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}
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CameraMetadata::~CameraMetadata() {
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mLocked = false;
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clear();
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}
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const camera_metadata_t* CameraMetadata::getAndLock() const {
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mLocked = true;
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return mBuffer;
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}
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status_t CameraMetadata::unlock(const camera_metadata_t *buffer) const {
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if (!mLocked) {
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ALOGE("%s: Can't unlock a non-locked CameraMetadata!", __FUNCTION__);
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return INVALID_OPERATION;
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}
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if (buffer != mBuffer) {
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ALOGE("%s: Can't unlock CameraMetadata with wrong pointer!",
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__FUNCTION__);
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return BAD_VALUE;
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}
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mLocked = false;
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return OK;
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}
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camera_metadata_t* CameraMetadata::release() {
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if (mLocked) {
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ALOGE("%s: CameraMetadata is locked", __FUNCTION__);
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return NULL;
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}
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camera_metadata_t *released = mBuffer;
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mBuffer = NULL;
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return released;
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}
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void CameraMetadata::clear() {
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if (mLocked) {
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ALOGE("%s: CameraMetadata is locked", __FUNCTION__);
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return;
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}
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if (mBuffer) {
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free_camera_metadata(mBuffer);
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mBuffer = NULL;
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}
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}
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void CameraMetadata::acquire(camera_metadata_t *buffer) {
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if (mLocked) {
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ALOGE("%s: CameraMetadata is locked", __FUNCTION__);
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return;
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}
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clear();
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mBuffer = buffer;
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ALOGE_IF(validate_camera_metadata_structure(mBuffer, /*size*/NULL) != OK,
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"%s: Failed to validate metadata structure %p",
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__FUNCTION__, buffer);
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}
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void CameraMetadata::acquire(CameraMetadata &other) {
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if (mLocked) {
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ALOGE("%s: CameraMetadata is locked", __FUNCTION__);
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return;
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}
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acquire(other.release());
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}
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status_t CameraMetadata::append(const CameraMetadata &other) {
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return append(other.mBuffer);
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}
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status_t CameraMetadata::append(const camera_metadata_t* other) {
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if (mLocked) {
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ALOGE("%s: CameraMetadata is locked", __FUNCTION__);
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return INVALID_OPERATION;
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}
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size_t extraEntries = get_camera_metadata_entry_count(other);
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size_t extraData = get_camera_metadata_data_count(other);
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resizeIfNeeded(extraEntries, extraData);
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return append_camera_metadata(mBuffer, other);
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}
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size_t CameraMetadata::entryCount() const {
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return (mBuffer == NULL) ? 0 :
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get_camera_metadata_entry_count(mBuffer);
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}
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bool CameraMetadata::isEmpty() const {
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return entryCount() == 0;
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}
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status_t CameraMetadata::sort() {
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if (mLocked) {
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ALOGE("%s: CameraMetadata is locked", __FUNCTION__);
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return INVALID_OPERATION;
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}
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return sort_camera_metadata(mBuffer);
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}
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status_t CameraMetadata::checkType(uint32_t tag, uint8_t expectedType) {
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int tagType = get_local_camera_metadata_tag_type(tag, mBuffer);
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if ( CC_UNLIKELY(tagType == -1)) {
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ALOGE("Update metadata entry: Unknown tag %d", tag);
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return INVALID_OPERATION;
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}
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if ( CC_UNLIKELY(tagType != expectedType) ) {
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ALOGE("Mismatched tag type when updating entry %s (%d) of type %s; "
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"got type %s data instead ",
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get_local_camera_metadata_tag_name(tag, mBuffer), tag,
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camera_metadata_type_names[tagType],
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camera_metadata_type_names[expectedType]);
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return INVALID_OPERATION;
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}
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return OK;
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}
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status_t CameraMetadata::update(uint32_t tag,
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const int32_t *data, size_t data_count) {
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status_t res;
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if (mLocked) {
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ALOGE("%s: CameraMetadata is locked", __FUNCTION__);
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return INVALID_OPERATION;
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}
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if ( (res = checkType(tag, TYPE_INT32)) != OK) {
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return res;
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}
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return updateImpl(tag, (const void*)data, data_count);
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}
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status_t CameraMetadata::update(uint32_t tag,
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const uint8_t *data, size_t data_count) {
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status_t res;
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if (mLocked) {
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ALOGE("%s: CameraMetadata is locked", __FUNCTION__);
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return INVALID_OPERATION;
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}
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if ( (res = checkType(tag, TYPE_BYTE)) != OK) {
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return res;
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}
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return updateImpl(tag, (const void*)data, data_count);
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}
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status_t CameraMetadata::update(uint32_t tag,
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const float *data, size_t data_count) {
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status_t res;
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if (mLocked) {
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ALOGE("%s: CameraMetadata is locked", __FUNCTION__);
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return INVALID_OPERATION;
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}
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if ( (res = checkType(tag, TYPE_FLOAT)) != OK) {
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return res;
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}
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return updateImpl(tag, (const void*)data, data_count);
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}
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status_t CameraMetadata::update(uint32_t tag,
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const int64_t *data, size_t data_count) {
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status_t res;
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if (mLocked) {
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ALOGE("%s: CameraMetadata is locked", __FUNCTION__);
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return INVALID_OPERATION;
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}
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if ( (res = checkType(tag, TYPE_INT64)) != OK) {
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return res;
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}
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return updateImpl(tag, (const void*)data, data_count);
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}
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status_t CameraMetadata::update(uint32_t tag,
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const double *data, size_t data_count) {
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status_t res;
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if (mLocked) {
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ALOGE("%s: CameraMetadata is locked", __FUNCTION__);
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return INVALID_OPERATION;
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}
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if ( (res = checkType(tag, TYPE_DOUBLE)) != OK) {
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return res;
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}
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return updateImpl(tag, (const void*)data, data_count);
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}
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status_t CameraMetadata::update(uint32_t tag,
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const camera_metadata_rational_t *data, size_t data_count) {
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status_t res;
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if (mLocked) {
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ALOGE("%s: CameraMetadata is locked", __FUNCTION__);
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return INVALID_OPERATION;
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}
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if ( (res = checkType(tag, TYPE_RATIONAL)) != OK) {
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return res;
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}
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return updateImpl(tag, (const void*)data, data_count);
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}
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status_t CameraMetadata::update(uint32_t tag,
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const String8 &string) {
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status_t res;
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if (mLocked) {
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ALOGE("%s: CameraMetadata is locked", __FUNCTION__);
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return INVALID_OPERATION;
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}
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if ( (res = checkType(tag, TYPE_BYTE)) != OK) {
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return res;
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}
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// string.size() doesn't count the null termination character.
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return updateImpl(tag, (const void*)string.string(), string.size() + 1);
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}
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status_t CameraMetadata::update(const camera_metadata_ro_entry &entry) {
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status_t res;
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if (mLocked) {
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ALOGE("%s: CameraMetadata is locked", __FUNCTION__);
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return INVALID_OPERATION;
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}
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if ( (res = checkType(entry.tag, entry.type)) != OK) {
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return res;
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}
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return updateImpl(entry.tag, (const void*)entry.data.u8, entry.count);
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}
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status_t CameraMetadata::updateImpl(uint32_t tag, const void *data,
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size_t data_count) {
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status_t res;
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if (mLocked) {
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ALOGE("%s: CameraMetadata is locked", __FUNCTION__);
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return INVALID_OPERATION;
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}
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int type = get_local_camera_metadata_tag_type(tag, mBuffer);
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if (type == -1) {
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ALOGE("%s: Tag %d not found", __FUNCTION__, tag);
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return BAD_VALUE;
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}
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// Safety check - ensure that data isn't pointing to this metadata, since
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// that would get invalidated if a resize is needed
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size_t bufferSize = get_camera_metadata_size(mBuffer);
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uintptr_t bufAddr = reinterpret_cast<uintptr_t>(mBuffer);
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uintptr_t dataAddr = reinterpret_cast<uintptr_t>(data);
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if (dataAddr > bufAddr && dataAddr < (bufAddr + bufferSize)) {
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ALOGE("%s: Update attempted with data from the same metadata buffer!",
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__FUNCTION__);
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return INVALID_OPERATION;
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}
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size_t data_size = calculate_camera_metadata_entry_data_size(type,
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data_count);
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res = resizeIfNeeded(1, data_size);
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if (res == OK) {
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camera_metadata_entry_t entry;
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res = find_camera_metadata_entry(mBuffer, tag, &entry);
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if (res == NAME_NOT_FOUND) {
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res = add_camera_metadata_entry(mBuffer,
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tag, data, data_count);
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} else if (res == OK) {
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res = update_camera_metadata_entry(mBuffer,
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entry.index, data, data_count, NULL);
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}
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}
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if (res != OK) {
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ALOGE("%s: Unable to update metadata entry %s.%s (%x): %s (%d)",
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__FUNCTION__, get_local_camera_metadata_section_name(tag, mBuffer),
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get_local_camera_metadata_tag_name(tag, mBuffer), tag,
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strerror(-res), res);
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}
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IF_ALOGV() {
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ALOGE_IF(validate_camera_metadata_structure(mBuffer, /*size*/NULL) !=
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OK,
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"%s: Failed to validate metadata structure after update %p",
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__FUNCTION__, mBuffer);
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}
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return res;
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}
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bool CameraMetadata::exists(uint32_t tag) const {
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camera_metadata_ro_entry entry;
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return find_camera_metadata_ro_entry(mBuffer, tag, &entry) == 0;
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}
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camera_metadata_entry_t CameraMetadata::find(uint32_t tag) {
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status_t res;
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camera_metadata_entry entry;
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if (mLocked) {
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ALOGE("%s: CameraMetadata is locked", __FUNCTION__);
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entry.count = 0;
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return entry;
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}
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res = find_camera_metadata_entry(mBuffer, tag, &entry);
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if (CC_UNLIKELY( res != OK )) {
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entry.count = 0;
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entry.data.u8 = NULL;
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}
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return entry;
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}
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camera_metadata_ro_entry_t CameraMetadata::find(uint32_t tag) const {
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status_t res;
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camera_metadata_ro_entry entry;
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res = find_camera_metadata_ro_entry(mBuffer, tag, &entry);
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if (CC_UNLIKELY( res != OK )) {
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entry.count = 0;
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entry.data.u8 = NULL;
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}
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return entry;
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}
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status_t CameraMetadata::erase(uint32_t tag) {
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camera_metadata_entry_t entry;
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status_t res;
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if (mLocked) {
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ALOGE("%s: CameraMetadata is locked", __FUNCTION__);
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return INVALID_OPERATION;
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}
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res = find_camera_metadata_entry(mBuffer, tag, &entry);
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if (res == NAME_NOT_FOUND) {
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return OK;
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} else if (res != OK) {
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ALOGE("%s: Error looking for entry %s.%s (%x): %s %d",
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__FUNCTION__,
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get_local_camera_metadata_section_name(tag, mBuffer),
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get_local_camera_metadata_tag_name(tag, mBuffer),
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tag, strerror(-res), res);
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return res;
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}
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res = delete_camera_metadata_entry(mBuffer, entry.index);
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if (res != OK) {
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ALOGE("%s: Error deleting entry %s.%s (%x): %s %d",
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__FUNCTION__,
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get_local_camera_metadata_section_name(tag, mBuffer),
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get_local_camera_metadata_tag_name(tag, mBuffer),
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tag, strerror(-res), res);
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}
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return res;
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}
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void CameraMetadata::dump(int fd, int verbosity, int indentation) const {
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dump_indented_camera_metadata(mBuffer, fd, verbosity, indentation);
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}
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status_t CameraMetadata::resizeIfNeeded(size_t extraEntries, size_t extraData) {
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if (mBuffer == NULL) {
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mBuffer = allocate_camera_metadata(extraEntries * 2, extraData * 2);
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if (mBuffer == NULL) {
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ALOGE("%s: Can't allocate larger metadata buffer", __FUNCTION__);
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return NO_MEMORY;
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}
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} else {
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size_t currentEntryCount = get_camera_metadata_entry_count(mBuffer);
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size_t currentEntryCap = get_camera_metadata_entry_capacity(mBuffer);
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size_t newEntryCount = currentEntryCount +
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extraEntries;
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newEntryCount = (newEntryCount > currentEntryCap) ?
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newEntryCount * 2 : currentEntryCap;
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size_t currentDataCount = get_camera_metadata_data_count(mBuffer);
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size_t currentDataCap = get_camera_metadata_data_capacity(mBuffer);
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size_t newDataCount = currentDataCount +
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extraData;
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newDataCount = (newDataCount > currentDataCap) ?
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newDataCount * 2 : currentDataCap;
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if (newEntryCount > currentEntryCap ||
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newDataCount > currentDataCap) {
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camera_metadata_t *oldBuffer = mBuffer;
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mBuffer = allocate_camera_metadata(newEntryCount,
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newDataCount);
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if (mBuffer == NULL) {
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ALOGE("%s: Can't allocate larger metadata buffer", __FUNCTION__);
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return NO_MEMORY;
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}
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append_camera_metadata(mBuffer, oldBuffer);
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free_camera_metadata(oldBuffer);
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}
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}
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return OK;
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}
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void CameraMetadata::swap(CameraMetadata& other) {
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if (mLocked) {
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ALOGE("%s: CameraMetadata is locked", __FUNCTION__);
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return;
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} else if (other.mLocked) {
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ALOGE("%s: Other CameraMetadata is locked", __FUNCTION__);
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return;
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}
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camera_metadata* thisBuf = mBuffer;
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camera_metadata* otherBuf = other.mBuffer;
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other.mBuffer = thisBuf;
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mBuffer = otherBuf;
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}
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}; // namespace android
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