Camera: default implementation of device 3.2
Test: compile
Bug: 30985004
Change-Id: Ibb48673840de6a5f7c75dc6993d5457a272177a2
diff --git a/camera/device/3.2/default/CameraDevice.cpp b/camera/device/3.2/default/CameraDevice.cpp
new file mode 100644
index 0000000..51a29ec
--- /dev/null
+++ b/camera/device/3.2/default/CameraDevice.cpp
@@ -0,0 +1,285 @@
+/*
+ * 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 "CamDev@3.2-impl"
+#include <android/log.h>
+
+#include <utils/Vector.h>
+#include <utils/Trace.h>
+#include "CameraDevice.h"
+#include <include/convert.h>
+
+namespace android {
+namespace hardware {
+namespace camera {
+namespace device {
+namespace V3_2 {
+namespace implementation {
+
+using ::android::hardware::camera::common::V1_0::Status;
+
+CameraDevice::CameraDevice(
+ sp<CameraModule> module, const std::string& cameraId,
+ const SortedVector<std::pair<std::string, std::string>>& cameraDeviceNames) :
+ mModule(module),
+ mCameraId(cameraId),
+ mDisconnected(false),
+ mCameraDeviceNames(cameraDeviceNames) {
+ mCameraIdInt = atoi(mCameraId.c_str());
+ // Should not reach here as provider also validate ID
+ if (mCameraIdInt < 0 || mCameraIdInt >= module->getNumberOfCameras()) {
+ ALOGE("%s: Invalid camera id: %s", __FUNCTION__, mCameraId.c_str());
+ mInitFail = true;
+ }
+
+ mDeviceVersion = mModule->getDeviceVersion(mCameraIdInt);
+ if (mDeviceVersion < CAMERA_DEVICE_API_VERSION_3_2) {
+ ALOGE("%s: Camera id %s does not support HAL3.2+",
+ __FUNCTION__, mCameraId.c_str());
+ mInitFail = true;
+ }
+}
+
+CameraDevice::~CameraDevice() {}
+
+Status CameraDevice::initStatus() const {
+ Mutex::Autolock _l(mLock);
+ Status status = Status::OK;
+ if (mInitFail) {
+ status = Status::INTERNAL_ERROR;
+ } else if (mDisconnected) {
+ status = Status::CAMERA_DISCONNECTED;
+ }
+ return status;
+}
+
+void CameraDevice::setConnectionStatus(bool connected) {
+ Mutex::Autolock _l(mLock);
+ mDisconnected = !connected;
+ if (mSession == nullptr) {
+ return;
+ }
+ sp<CameraDeviceSession> session = mSession.promote();
+ if (session == nullptr) {
+ return;
+ }
+ // Only notify active session disconnect events.
+ // Users will need to re-open camera after disconnect event
+ if (!connected) {
+ session->disconnect();
+ }
+ return;
+}
+
+Status CameraDevice::getHidlStatus(int status) {
+ switch (status) {
+ case 0: return Status::OK;
+ case -ENOSYS: return Status::OPERATION_NOT_SUPPORTED;
+ case -EBUSY : return Status::CAMERA_IN_USE;
+ case -EUSERS: return Status::MAX_CAMERAS_IN_USE;
+ case -ENODEV: return Status::INTERNAL_ERROR;
+ case -EINVAL: return Status::ILLEGAL_ARGUMENT;
+ default:
+ ALOGE("%s: unknown HAL status code %d", __FUNCTION__, status);
+ return Status::INTERNAL_ERROR;
+ }
+}
+
+// Methods from ::android::hardware::camera::device::V3_2::ICameraDevice follow.
+Return<void> CameraDevice::getResourceCost(getResourceCost_cb _hidl_cb) {
+ Status status = initStatus();
+ CameraResourceCost resCost;
+ if (status == Status::OK) {
+ int cost = 100;
+ std::vector<std::string> conflicting_devices;
+ struct camera_info info;
+
+ // If using post-2.4 module version, query the cost + conflicting devices from the HAL
+ if (mModule->getModuleApiVersion() >= CAMERA_MODULE_API_VERSION_2_4) {
+ int ret = mModule->getCameraInfo(mCameraIdInt, &info);
+ if (ret == OK) {
+ cost = info.resource_cost;
+ for (size_t i = 0; i < info.conflicting_devices_length; i++) {
+ std::string cameraId(info.conflicting_devices[i]);
+ for (const auto& pair : mCameraDeviceNames) {
+ if (cameraId == pair.first) {
+ conflicting_devices.push_back(pair.second);
+ }
+ }
+ }
+ } else {
+ status = Status::INTERNAL_ERROR;
+ }
+ }
+
+ if (status == Status::OK) {
+ resCost.resourceCost = cost;
+ resCost.conflictingDevices.resize(conflicting_devices.size());
+ for (size_t i = 0; i < conflicting_devices.size(); i++) {
+ resCost.conflictingDevices[i] = conflicting_devices[i];
+ ALOGV("CamDevice %s is conflicting with camDevice %s",
+ mCameraId.c_str(), resCost.conflictingDevices[i].c_str());
+ }
+ }
+ }
+ _hidl_cb(status, resCost);
+ return Void();
+}
+
+Return<void> CameraDevice::getCameraCharacteristics(getCameraCharacteristics_cb _hidl_cb) {
+ Status status = initStatus();
+ CameraMetadata cameraCharacteristics;
+ if (status == Status::OK) {
+ //Module 2.1+ codepath.
+ struct camera_info info;
+ int ret = mModule->getCameraInfo(mCameraIdInt, &info);
+ if (ret == OK) {
+ convertToHidl(info.static_camera_characteristics, &cameraCharacteristics);
+ } else {
+ ALOGE("%s: get camera info failed!", __FUNCTION__);
+ status = Status::INTERNAL_ERROR;
+ }
+ }
+ _hidl_cb(status, cameraCharacteristics);
+ return Void();
+}
+
+Return<Status> CameraDevice::setTorchMode(TorchMode mode) {
+ if (!mModule->isSetTorchModeSupported()) {
+ return Status::METHOD_NOT_SUPPORTED;
+ }
+
+ Status status = initStatus();
+ if (status == Status::OK) {
+ bool enable = (mode == TorchMode::ON) ? true : false;
+ status = getHidlStatus(mModule->setTorchMode(mCameraId.c_str(), enable));
+ }
+ return status;
+}
+
+Return<void> CameraDevice::open(const sp<ICameraDeviceCallback>& callback, open_cb _hidl_cb) {
+ Status status = initStatus();
+ sp<CameraDeviceSession> session = nullptr;
+
+ if (callback == nullptr) {
+ ALOGE("%s: cannot open camera %s. callback is null!",
+ __FUNCTION__, mCameraId.c_str());
+ _hidl_cb(Status::ILLEGAL_ARGUMENT, session);
+ return Void();
+ }
+
+ if (status != Status::OK) {
+ // Provider will never pass initFailed device to client, so
+ // this must be a disconnected camera
+ ALOGE("%s: cannot open camera %s. camera is disconnected!",
+ __FUNCTION__, mCameraId.c_str());
+ _hidl_cb(Status::CAMERA_DISCONNECTED, session);
+ return Void();
+ } else {
+ mLock.lock();
+
+ ALOGV("%s: Initializing device for camera %d", __FUNCTION__, mCameraIdInt);
+ session = mSession.promote();
+ if (session != nullptr && !session->isClosed()) {
+ ALOGE("%s: cannot open an already opened camera!", __FUNCTION__);
+ mLock.unlock();
+ _hidl_cb(Status::CAMERA_IN_USE, nullptr);
+ return Void();
+ }
+
+ /** Open HAL device */
+ status_t res;
+ camera3_device_t *device;
+
+ ATRACE_BEGIN("camera3->open");
+ res = mModule->open(mCameraId.c_str(),
+ reinterpret_cast<hw_device_t**>(&device));
+ ATRACE_END();
+
+ if (res != OK) {
+ ALOGE("%s: cannot open camera %s!", __FUNCTION__, mCameraId.c_str());
+ mLock.unlock();
+ _hidl_cb(Status::INTERNAL_ERROR, nullptr);
+ return Void();
+ }
+
+ /** Cross-check device version */
+ if (device->common.version < CAMERA_DEVICE_API_VERSION_3_2) {
+ ALOGE("%s: Could not open camera: "
+ "Camera device should be at least %x, reports %x instead",
+ __FUNCTION__,
+ CAMERA_DEVICE_API_VERSION_3_2,
+ device->common.version);
+ device->common.close(&device->common);
+ mLock.unlock();
+ _hidl_cb(Status::ILLEGAL_ARGUMENT, nullptr);
+ return Void();
+ }
+
+ session = new CameraDeviceSession(device, callback);
+ if (session == nullptr) {
+ ALOGE("%s: camera device session allocation failed", __FUNCTION__);
+ mLock.unlock();
+ _hidl_cb(Status::INTERNAL_ERROR, nullptr);
+ return Void();
+ }
+ if (session->isInitFailed()) {
+ ALOGE("%s: camera device session init failed", __FUNCTION__);
+ session = nullptr;
+ mLock.unlock();
+ _hidl_cb(Status::INTERNAL_ERROR, nullptr);
+ return Void();
+ }
+ mSession = session;
+ mLock.unlock();
+ }
+ _hidl_cb(status, session);
+ return Void();
+}
+
+Return<void> CameraDevice::dumpState(const ::android::hardware::hidl_handle& handle) {
+ Mutex::Autolock _l(mLock);
+ if (handle.getNativeHandle() == nullptr) {
+ ALOGE("%s: handle must not be null", __FUNCTION__);
+ return Void();
+ }
+ if (handle->numFds != 1 || handle->numInts != 0) {
+ ALOGE("%s: handle must contain 1 FD and 0 integers! Got %d FDs and %d ints",
+ __FUNCTION__, handle->numFds, handle->numInts);
+ return Void();
+ }
+ int fd = handle->data[0];
+ if (mSession == nullptr) {
+ dprintf(fd, "No active camera device session instance\n");
+ return Void();
+ }
+ sp<CameraDeviceSession> session = mSession.promote();
+ if (session == nullptr) {
+ dprintf(fd, "No active camera device session instance\n");
+ return Void();
+ }
+ // Call into active session to dump states
+ session->dumpState(handle);
+ return Void();
+}
+// End of methods from ::android::hardware::camera::device::V3_2::ICameraDevice.
+
+} // namespace implementation
+} // namespace V3_2
+} // namespace device
+} // namespace camera
+} // namespace hardware
+} // namespace android