Move EVS HAL under automotive folder
Test: Build locally
Change-Id: I76aa7eb52497169d0edcb6d756e0a7ca31bb0b46
diff --git a/automotive/evs/1.0/default/EvsEnumerator.cpp b/automotive/evs/1.0/default/EvsEnumerator.cpp
new file mode 100644
index 0000000..e54f699
--- /dev/null
+++ b/automotive/evs/1.0/default/EvsEnumerator.cpp
@@ -0,0 +1,174 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+#define LOG_TAG "android.hardware.automotive.evs@1.0-service"
+
+#include "EvsEnumerator.h"
+#include "EvsCamera.h"
+#include "EvsDisplay.h"
+
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace evs {
+namespace V1_0 {
+namespace implementation {
+
+
+// TODO(b/31632518): Need to get notification when our client dies so we can close the camera.
+// As it stands, if the client dies suddenly, the camera will be stuck "open".
+// NOTE: Display should already be safe by virtue of holding only a weak pointer.
+
+
+EvsEnumerator::EvsEnumerator() {
+ ALOGD("EvsEnumerator created");
+
+ // Add sample camera data to our list of cameras
+ // NOTE: The id strings trigger special initialization inside the EvsCamera constructor
+ mCameraList.emplace_back( new EvsCamera(EvsCamera::kCameraName_Backup), false );
+ mCameraList.emplace_back( new EvsCamera("LaneView"), false );
+ mCameraList.emplace_back( new EvsCamera(EvsCamera::kCameraName_RightTurn), false );
+}
+
+// Methods from ::android::hardware::automotive::evs::V1_0::IEvsEnumerator follow.
+Return<void> EvsEnumerator::getCameraList(getCameraList_cb _hidl_cb) {
+ ALOGD("getCameraList");
+
+ const unsigned numCameras = mCameraList.size();
+
+ // Build up a packed array of CameraDesc for return
+ // NOTE: Only has to live until the callback returns
+ std::vector<CameraDesc> descriptions;
+ descriptions.reserve(numCameras);
+ for (const auto& cam : mCameraList) {
+ descriptions.push_back( cam.pCamera->getDesc() );
+ }
+
+ // Encapsulate our camera descriptions in the HIDL vec type
+ hidl_vec<CameraDesc> hidlCameras(descriptions);
+
+ // Send back the results
+ ALOGD("reporting %zu cameras available", hidlCameras.size());
+ _hidl_cb(hidlCameras);
+
+ // HIDL convention says we return Void if we sent our result back via callback
+ return Void();
+}
+
+Return<sp<IEvsCamera>> EvsEnumerator::openCamera(const hidl_string& cameraId) {
+ ALOGD("openCamera");
+
+ // Find the named camera
+ CameraRecord *pRecord = nullptr;
+ for (auto &&cam : mCameraList) {
+ if (cam.pCamera->getDesc().cameraId == cameraId) {
+ // Found a match!
+ pRecord = &cam;
+ break;
+ }
+ }
+
+ if (!pRecord) {
+ ALOGE("Requested camera %s not found", cameraId.c_str());
+ return nullptr;
+ } else if (pRecord->inUse) {
+ ALOGE("Cannot open camera %s which is already in use", cameraId.c_str());
+ return nullptr;
+ } else {
+ pRecord->inUse = true;
+ return(pRecord->pCamera);
+ }
+}
+
+Return<void> EvsEnumerator::closeCamera(const ::android::sp<IEvsCamera>& camera) {
+ ALOGD("closeCamera");
+
+ if (camera == nullptr) {
+ ALOGE("Ignoring call to closeCamera with null camera pointer");
+ } else {
+ // Find this camera in our list
+ auto it = std::find_if(mCameraList.begin(),
+ mCameraList.end(),
+ [camera](const CameraRecord& rec) {
+ return (rec.pCamera == camera);
+ });
+ if (it == mCameraList.end()) {
+ ALOGE("Ignoring close on unrecognized camera");
+ } else {
+ // Make sure the camera has stopped streaming
+ camera->stopVideoStream();
+
+ it->inUse = false;
+ }
+ }
+
+ return Void();
+}
+
+Return<sp<IEvsDisplay>> EvsEnumerator::openDisplay() {
+ ALOGD("openDisplay");
+
+ // If we already have a display active, then this request must be denied
+ sp<IEvsDisplay> pActiveDisplay = mActiveDisplay.promote();
+ if (pActiveDisplay != nullptr) {
+ ALOGW("Rejecting openDisplay request the display is already in use.");
+ return nullptr;
+ } else {
+ // Create a new display interface and return it
+ pActiveDisplay = new EvsDisplay();
+ mActiveDisplay = pActiveDisplay;
+ ALOGD("Returning new EvsDisplay object %p", pActiveDisplay.get());
+ return pActiveDisplay;
+ }
+}
+
+Return<void> EvsEnumerator::closeDisplay(const ::android::sp<IEvsDisplay>& display) {
+ ALOGD("closeDisplay");
+
+ // Do we still have a display object we think should be active?
+ sp<IEvsDisplay> pActiveDisplay = mActiveDisplay.promote();
+
+ if (pActiveDisplay == nullptr) {
+ ALOGE("Ignoring closeDisplay when there is no active display.");
+ } else if (display != pActiveDisplay) {
+ ALOGE("Ignoring closeDisplay on a display we didn't issue");
+ ALOGI("Got %p while active display is %p.", display.get(), pActiveDisplay.get());
+ } else {
+ // Drop the active display
+ mActiveDisplay = nullptr;
+ }
+
+ return Void();
+}
+
+Return<DisplayState> EvsEnumerator::getDisplayState() {
+ ALOGD("getDisplayState");
+
+ // Do we still have a display object we think should be active?
+ sp<IEvsDisplay> pActiveDisplay = mActiveDisplay.promote();
+ if (pActiveDisplay != nullptr) {
+ return pActiveDisplay->getDisplayState();
+ } else {
+ return DisplayState::NOT_OPEN;
+ }
+}
+
+} // namespace implementation
+} // namespace V1_0
+} // namespace evs
+} // namespace automotive
+} // namespace hardware
+} // namespace android