cameraserver: Implement HIDL ICameraDeviceUser and ICameraDeviceCallbacks.
Bug: 110364143
Test: (build) mm -j64
Change-Id: I2164b9ffacb3c00404a5a6506a4b6631663ee4c7
Signed-off-by: Jayant Chowdhary <jchowdhary@google.com>
diff --git a/services/camera/libcameraservice/hidl/AidlCameraDeviceCallbacks.cpp b/services/camera/libcameraservice/hidl/AidlCameraDeviceCallbacks.cpp
new file mode 100644
index 0000000..e5e5024
--- /dev/null
+++ b/services/camera/libcameraservice/hidl/AidlCameraDeviceCallbacks.cpp
@@ -0,0 +1,205 @@
+/*
+ * Copyright (C) 2018 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.
+ */
+#include <hardware/camera.h>
+
+#include <hidl/AidlCameraDeviceCallbacks.h>
+#include <hidl/Convert.h>
+
+namespace android {
+namespace frameworks {
+namespace cameraservice {
+namespace device {
+namespace V2_0 {
+namespace implementation {
+
+using hardware::hidl_vec;
+using HCaptureResultExtras = android::frameworks::cameraservice::device::V2_0::CaptureResultExtras;
+using HPhysicalCaptureResultInfo = android::frameworks::cameraservice::device::V2_0::PhysicalCaptureResultInfo;
+using HCameraMetadata = android::frameworks::cameraservice::device::V2_0::CameraMetadata;
+
+const char *H2BCameraDeviceCallbacks::kResultKey = "CaptureResult";
+
+H2BCameraDeviceCallbacks::H2BCameraDeviceCallbacks(const sp<HalInterface>& base) : CBase(base) { }
+
+bool H2BCameraDeviceCallbacks::initializeLooper() {
+ mCbLooper = new ALooper;
+ mCbLooper->setName("cs-looper");
+ status_t err = mCbLooper->start(/*runOnCallingThread*/ false, /*canCallJava*/ false,
+ PRIORITY_DEFAULT);
+ if (err !=OK) {
+ ALOGE("Unable to start camera device callback looper");
+ return false;
+ }
+ mHandler = new CallbackHandler(this);
+ mCbLooper->registerHandler(mHandler);
+ return true;
+}
+
+H2BCameraDeviceCallbacks::~H2BCameraDeviceCallbacks() {
+ if (mCbLooper != nullptr) {
+ if (mHandler != nullptr) {
+ mCbLooper->unregisterHandler(mHandler->id());
+ }
+ mCbLooper->stop();
+ }
+ mCbLooper.clear();
+ mHandler.clear();
+}
+
+binder::Status H2BCameraDeviceCallbacks::onDeviceError(
+ int32_t errorCode, const CaptureResultExtras& resultExtras) {
+ using hardware::cameraservice::utils::conversion::convertToHidl;
+ HCaptureResultExtras hCaptureResultExtras = convertToHidl(resultExtras);
+ auto ret = mBase->onDeviceError(convertToHidl(errorCode), hCaptureResultExtras);
+ if (!ret.isOk()) {
+ ALOGE("%s OnDeviceError callback failed due to %s",__FUNCTION__,
+ ret.description().c_str());
+ }
+ return binder::Status::ok();
+}
+
+binder::Status H2BCameraDeviceCallbacks::onDeviceIdle() {
+ auto ret = mBase->onDeviceIdle();
+ if (!ret.isOk()) {
+ ALOGE("%s OnDeviceIdle callback failed due to %s",__FUNCTION__,
+ ret.description().c_str());
+ }
+ return binder::Status::ok();
+}
+
+binder::Status H2BCameraDeviceCallbacks::onCaptureStarted(
+ const CaptureResultExtras& resultExtras, int64_t timestamp) {
+ using hardware::cameraservice::utils::conversion::convertToHidl;
+ HCaptureResultExtras hCaptureResultExtras = convertToHidl(resultExtras);
+ auto ret = mBase->onCaptureStarted(hCaptureResultExtras, timestamp);
+ if (!ret.isOk()) {
+ ALOGE("%s OnCaptureCallback failed due to %s",__FUNCTION__,
+ ret.description().c_str());
+ }
+ return binder::Status::ok();
+}
+
+void H2BCameraDeviceCallbacks::convertResultMetadataToHidl(const camera_metadata_t *rawMetadata,
+ FmqSizeOrMetadata *hResultMetadata) {
+ // First try writing to fmq.
+ size_t metadata_size = get_camera_metadata_size(rawMetadata);
+ if ((metadata_size > 0) &&
+ (mCaptureResultMetadataQueue->availableToWrite() > 0)) {
+ if (mCaptureResultMetadataQueue->write((uint8_t *)rawMetadata, metadata_size)) {
+ hResultMetadata->fmqMetadataSize(metadata_size);
+ } else {
+ ALOGW("%s Couldn't use fmq, falling back to hwbinder", __FUNCTION__);
+ HCameraMetadata metadata;
+ hardware::cameraservice::utils::conversion::convertToHidl(rawMetadata, &metadata);
+ hResultMetadata->metadata(std::move(metadata));
+ }
+ }
+}
+
+void H2BCameraDeviceCallbacks::CallbackHandler::onMessageReceived(const sp<AMessage> &msg) {
+ sp<RefBase> obj = nullptr;
+ sp<ResultWrapper> resultWrapper = nullptr;
+ bool found = false;
+ switch (msg->what()) {
+ case kWhatResultReceived:
+ found = msg->findObject(kResultKey, &obj);
+ if (!found || obj == nullptr) {
+ ALOGE("Cannot find result object in callback message");
+ return;
+ }
+ resultWrapper = static_cast<ResultWrapper *>(obj.get());
+ processResultMessage(resultWrapper);
+ break;
+ default:
+ ALOGE("Unknown callback sent");
+ break;
+ }
+ return;
+}
+
+void H2BCameraDeviceCallbacks::CallbackHandler::processResultMessage(
+ sp<ResultWrapper> &resultWrapper) {
+ sp<H2BCameraDeviceCallbacks> converter = mConverter.promote();
+ if (converter == nullptr) {
+ ALOGE("Callback wrapper has died, result callback cannot be made");
+ return;
+ }
+ CameraMetadataNative &result = resultWrapper->mResult;
+ auto resultExtras = resultWrapper->mResultExtras;
+ auto &physicalCaptureResultInfos = resultWrapper->mPhysicalCaptureResultInfos;
+ HCaptureResultExtras hResultExtras =
+ hardware::cameraservice::utils::conversion::convertToHidl(resultExtras);
+ hidl_vec<HPhysicalCaptureResultInfo> hPhysicalCaptureResultInfos =
+ hardware::cameraservice::utils::conversion::convertToHidl(
+ physicalCaptureResultInfos, converter->mCaptureResultMetadataQueue);
+
+ // Convert Metadata into HCameraMetadata;
+ FmqSizeOrMetadata hResult;
+ const camera_metadata_t *rawMetadata = result.getAndLock();
+ converter->convertResultMetadataToHidl(rawMetadata, &hResult);
+ result.unlock(rawMetadata);
+ auto ret = converter->mBase->onResultReceived(hResult, hResultExtras,
+ hPhysicalCaptureResultInfos);
+ if (!ret.isOk()) {
+ ALOGE("%s OnResultReceived callback failed due to %s",__FUNCTION__,
+ ret.description().c_str());
+ }
+}
+
+binder::Status H2BCameraDeviceCallbacks::onResultReceived(
+ const CameraMetadataNative& result,
+ const CaptureResultExtras& resultExtras,
+ const ::std::vector<PhysicalCaptureResultInfo>& physicalCaptureResultInfos) {
+ // Wrap CameraMetadata, resultExtras and physicalCaptureResultInfos in on
+ // sp<RefBase>-able structure and post it.
+ sp<ResultWrapper> resultWrapper = new ResultWrapper(const_cast<CameraMetadataNative &>(result),
+ resultExtras, physicalCaptureResultInfos);
+ sp<AMessage> msg = new AMessage(kWhatResultReceived, mHandler);
+ msg->setObject(kResultKey, resultWrapper);
+ msg->post();
+ return binder::Status::ok();
+}
+
+binder::Status H2BCameraDeviceCallbacks::onPrepared(int32_t streamId) {
+ // not implemented
+ // To silence Wunused-parameter.
+ (void) streamId;
+ return binder::Status::ok();
+}
+
+binder::Status H2BCameraDeviceCallbacks::onRepeatingRequestError(
+ int64_t lastFrameNumber,
+ int32_t repeatingRequestId) {
+ auto ret =
+ mBase->onRepeatingRequestError(lastFrameNumber, repeatingRequestId);
+ if (!ret.isOk()) {
+ ALOGE("%s OnRepeatingRequestEror callback failed due to %s",__FUNCTION__,
+ ret.description().c_str());
+ }
+ return binder::Status::ok();
+}
+
+binder::Status H2BCameraDeviceCallbacks::onRequestQueueEmpty() {
+ // not implemented
+ return binder::Status::ok();
+}
+
+} // implementation
+} // V2_0
+} // device
+} // cameraservice
+} // frameworks
+} // android