Jayant Chowdhary | 0c94727 | 2018-08-15 14:42:04 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2018 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | #include <hardware/camera.h> |
| 17 | |
| 18 | #include <hidl/AidlCameraDeviceCallbacks.h> |
| 19 | #include <hidl/Convert.h> |
| 20 | |
| 21 | namespace android { |
| 22 | namespace frameworks { |
| 23 | namespace cameraservice { |
| 24 | namespace device { |
| 25 | namespace V2_0 { |
| 26 | namespace implementation { |
| 27 | |
| 28 | using hardware::hidl_vec; |
| 29 | using HCaptureResultExtras = android::frameworks::cameraservice::device::V2_0::CaptureResultExtras; |
| 30 | using HPhysicalCaptureResultInfo = android::frameworks::cameraservice::device::V2_0::PhysicalCaptureResultInfo; |
| 31 | using HCameraMetadata = android::frameworks::cameraservice::device::V2_0::CameraMetadata; |
| 32 | |
| 33 | const char *H2BCameraDeviceCallbacks::kResultKey = "CaptureResult"; |
| 34 | |
| 35 | H2BCameraDeviceCallbacks::H2BCameraDeviceCallbacks(const sp<HalInterface>& base) : CBase(base) { } |
| 36 | |
| 37 | bool H2BCameraDeviceCallbacks::initializeLooper() { |
| 38 | mCbLooper = new ALooper; |
| 39 | mCbLooper->setName("cs-looper"); |
| 40 | status_t err = mCbLooper->start(/*runOnCallingThread*/ false, /*canCallJava*/ false, |
| 41 | PRIORITY_DEFAULT); |
| 42 | if (err !=OK) { |
| 43 | ALOGE("Unable to start camera device callback looper"); |
| 44 | return false; |
| 45 | } |
| 46 | mHandler = new CallbackHandler(this); |
| 47 | mCbLooper->registerHandler(mHandler); |
| 48 | return true; |
| 49 | } |
| 50 | |
| 51 | H2BCameraDeviceCallbacks::~H2BCameraDeviceCallbacks() { |
| 52 | if (mCbLooper != nullptr) { |
| 53 | if (mHandler != nullptr) { |
| 54 | mCbLooper->unregisterHandler(mHandler->id()); |
| 55 | } |
| 56 | mCbLooper->stop(); |
| 57 | } |
| 58 | mCbLooper.clear(); |
| 59 | mHandler.clear(); |
| 60 | } |
| 61 | |
| 62 | binder::Status H2BCameraDeviceCallbacks::onDeviceError( |
| 63 | int32_t errorCode, const CaptureResultExtras& resultExtras) { |
| 64 | using hardware::cameraservice::utils::conversion::convertToHidl; |
| 65 | HCaptureResultExtras hCaptureResultExtras = convertToHidl(resultExtras); |
| 66 | auto ret = mBase->onDeviceError(convertToHidl(errorCode), hCaptureResultExtras); |
| 67 | if (!ret.isOk()) { |
| 68 | ALOGE("%s OnDeviceError callback failed due to %s",__FUNCTION__, |
| 69 | ret.description().c_str()); |
| 70 | } |
| 71 | return binder::Status::ok(); |
| 72 | } |
| 73 | |
| 74 | binder::Status H2BCameraDeviceCallbacks::onDeviceIdle() { |
| 75 | auto ret = mBase->onDeviceIdle(); |
| 76 | if (!ret.isOk()) { |
| 77 | ALOGE("%s OnDeviceIdle callback failed due to %s",__FUNCTION__, |
| 78 | ret.description().c_str()); |
| 79 | } |
| 80 | return binder::Status::ok(); |
| 81 | } |
| 82 | |
| 83 | binder::Status H2BCameraDeviceCallbacks::onCaptureStarted( |
| 84 | const CaptureResultExtras& resultExtras, int64_t timestamp) { |
| 85 | using hardware::cameraservice::utils::conversion::convertToHidl; |
| 86 | HCaptureResultExtras hCaptureResultExtras = convertToHidl(resultExtras); |
| 87 | auto ret = mBase->onCaptureStarted(hCaptureResultExtras, timestamp); |
| 88 | if (!ret.isOk()) { |
| 89 | ALOGE("%s OnCaptureCallback failed due to %s",__FUNCTION__, |
| 90 | ret.description().c_str()); |
| 91 | } |
| 92 | return binder::Status::ok(); |
| 93 | } |
| 94 | |
| 95 | void H2BCameraDeviceCallbacks::convertResultMetadataToHidl(const camera_metadata_t *rawMetadata, |
| 96 | FmqSizeOrMetadata *hResultMetadata) { |
| 97 | // First try writing to fmq. |
| 98 | size_t metadata_size = get_camera_metadata_size(rawMetadata); |
| 99 | if ((metadata_size > 0) && |
| 100 | (mCaptureResultMetadataQueue->availableToWrite() > 0)) { |
| 101 | if (mCaptureResultMetadataQueue->write((uint8_t *)rawMetadata, metadata_size)) { |
| 102 | hResultMetadata->fmqMetadataSize(metadata_size); |
| 103 | } else { |
| 104 | ALOGW("%s Couldn't use fmq, falling back to hwbinder", __FUNCTION__); |
| 105 | HCameraMetadata metadata; |
| 106 | hardware::cameraservice::utils::conversion::convertToHidl(rawMetadata, &metadata); |
| 107 | hResultMetadata->metadata(std::move(metadata)); |
| 108 | } |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | void H2BCameraDeviceCallbacks::CallbackHandler::onMessageReceived(const sp<AMessage> &msg) { |
| 113 | sp<RefBase> obj = nullptr; |
| 114 | sp<ResultWrapper> resultWrapper = nullptr; |
| 115 | bool found = false; |
| 116 | switch (msg->what()) { |
| 117 | case kWhatResultReceived: |
| 118 | found = msg->findObject(kResultKey, &obj); |
| 119 | if (!found || obj == nullptr) { |
| 120 | ALOGE("Cannot find result object in callback message"); |
| 121 | return; |
| 122 | } |
| 123 | resultWrapper = static_cast<ResultWrapper *>(obj.get()); |
| 124 | processResultMessage(resultWrapper); |
| 125 | break; |
| 126 | default: |
| 127 | ALOGE("Unknown callback sent"); |
| 128 | break; |
| 129 | } |
| 130 | return; |
| 131 | } |
| 132 | |
| 133 | void H2BCameraDeviceCallbacks::CallbackHandler::processResultMessage( |
| 134 | sp<ResultWrapper> &resultWrapper) { |
| 135 | sp<H2BCameraDeviceCallbacks> converter = mConverter.promote(); |
| 136 | if (converter == nullptr) { |
| 137 | ALOGE("Callback wrapper has died, result callback cannot be made"); |
| 138 | return; |
| 139 | } |
| 140 | CameraMetadataNative &result = resultWrapper->mResult; |
| 141 | auto resultExtras = resultWrapper->mResultExtras; |
| 142 | auto &physicalCaptureResultInfos = resultWrapper->mPhysicalCaptureResultInfos; |
| 143 | HCaptureResultExtras hResultExtras = |
| 144 | hardware::cameraservice::utils::conversion::convertToHidl(resultExtras); |
| 145 | hidl_vec<HPhysicalCaptureResultInfo> hPhysicalCaptureResultInfos = |
| 146 | hardware::cameraservice::utils::conversion::convertToHidl( |
| 147 | physicalCaptureResultInfos, converter->mCaptureResultMetadataQueue); |
| 148 | |
| 149 | // Convert Metadata into HCameraMetadata; |
| 150 | FmqSizeOrMetadata hResult; |
| 151 | const camera_metadata_t *rawMetadata = result.getAndLock(); |
| 152 | converter->convertResultMetadataToHidl(rawMetadata, &hResult); |
| 153 | result.unlock(rawMetadata); |
| 154 | auto ret = converter->mBase->onResultReceived(hResult, hResultExtras, |
| 155 | hPhysicalCaptureResultInfos); |
| 156 | if (!ret.isOk()) { |
| 157 | ALOGE("%s OnResultReceived callback failed due to %s",__FUNCTION__, |
| 158 | ret.description().c_str()); |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | binder::Status H2BCameraDeviceCallbacks::onResultReceived( |
| 163 | const CameraMetadataNative& result, |
| 164 | const CaptureResultExtras& resultExtras, |
| 165 | const ::std::vector<PhysicalCaptureResultInfo>& physicalCaptureResultInfos) { |
| 166 | // Wrap CameraMetadata, resultExtras and physicalCaptureResultInfos in on |
| 167 | // sp<RefBase>-able structure and post it. |
| 168 | sp<ResultWrapper> resultWrapper = new ResultWrapper(const_cast<CameraMetadataNative &>(result), |
| 169 | resultExtras, physicalCaptureResultInfos); |
| 170 | sp<AMessage> msg = new AMessage(kWhatResultReceived, mHandler); |
| 171 | msg->setObject(kResultKey, resultWrapper); |
| 172 | msg->post(); |
| 173 | return binder::Status::ok(); |
| 174 | } |
| 175 | |
| 176 | binder::Status H2BCameraDeviceCallbacks::onPrepared(int32_t streamId) { |
| 177 | // not implemented |
| 178 | // To silence Wunused-parameter. |
| 179 | (void) streamId; |
| 180 | return binder::Status::ok(); |
| 181 | } |
| 182 | |
| 183 | binder::Status H2BCameraDeviceCallbacks::onRepeatingRequestError( |
| 184 | int64_t lastFrameNumber, |
| 185 | int32_t repeatingRequestId) { |
| 186 | auto ret = |
| 187 | mBase->onRepeatingRequestError(lastFrameNumber, repeatingRequestId); |
| 188 | if (!ret.isOk()) { |
| 189 | ALOGE("%s OnRepeatingRequestEror callback failed due to %s",__FUNCTION__, |
| 190 | ret.description().c_str()); |
| 191 | } |
| 192 | return binder::Status::ok(); |
| 193 | } |
| 194 | |
| 195 | binder::Status H2BCameraDeviceCallbacks::onRequestQueueEmpty() { |
| 196 | // not implemented |
| 197 | return binder::Status::ok(); |
| 198 | } |
| 199 | |
| 200 | } // implementation |
| 201 | } // V2_0 |
| 202 | } // device |
| 203 | } // cameraservice |
| 204 | } // frameworks |
| 205 | } // android |