Camera: add webcam HAL@3.6 support
First CL to setup webcam HAL to support HIDL camera device 3.6.
Follow up CL will add actual offline processing capability.
Test: TestingCamera.apk
Bug: 135142453
Change-Id: Ifcd1b22f42d08b0fa5dc6039125c1d979b8104c2
diff --git a/camera/device/3.6/default/ExternalCameraDevice.cpp b/camera/device/3.6/default/ExternalCameraDevice.cpp
new file mode 100644
index 0000000..244c7dd
--- /dev/null
+++ b/camera/device/3.6/default/ExternalCameraDevice.cpp
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2020 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 "ExtCamDev@3.6"
+//#define LOG_NDEBUG 0
+#include <log/log.h>
+
+#include "ExternalCameraDevice_3_6.h"
+
+namespace android {
+namespace hardware {
+namespace camera {
+namespace device {
+namespace V3_6 {
+namespace implementation {
+
+ExternalCameraDevice::ExternalCameraDevice(
+ const std::string& cameraId, const ExternalCameraConfig& cfg) :
+ V3_5::implementation::ExternalCameraDevice(cameraId, cfg) {}
+
+ExternalCameraDevice::~ExternalCameraDevice() {}
+
+sp<V3_4::implementation::ExternalCameraDeviceSession> ExternalCameraDevice::createSession(
+ const sp<V3_2::ICameraDeviceCallback>& cb,
+ const ExternalCameraConfig& cfg,
+ const std::vector<SupportedV4L2Format>& sortedFormats,
+ const CroppingType& croppingType,
+ const common::V1_0::helper::CameraMetadata& chars,
+ const std::string& cameraId,
+ unique_fd v4l2Fd) {
+ return new ExternalCameraDeviceSession(
+ cb, cfg, sortedFormats, croppingType, chars, cameraId, std::move(v4l2Fd));
+}
+
+#define UPDATE(tag, data, size) \
+do { \
+ if (metadata->update((tag), (data), (size))) { \
+ ALOGE("Update " #tag " failed!"); \
+ return -EINVAL; \
+ } \
+} while (0)
+
+status_t ExternalCameraDevice::initAvailableCapabilities(
+ ::android::hardware::camera::common::V1_0::helper::CameraMetadata* metadata) {
+ status_t res =
+ V3_4::implementation::ExternalCameraDevice::initAvailableCapabilities(metadata);
+
+ if (res != OK) {
+ return res;
+ }
+
+ camera_metadata_entry caps = metadata->find(ANDROID_REQUEST_AVAILABLE_CAPABILITIES);
+ std::vector<uint8_t> availableCapabilities;
+
+ for (size_t i = 0; i < caps.count; i++) {
+ uint8_t capability = caps.data.u8[i];
+ availableCapabilities.push_back(capability);
+ }
+
+ // Add OFFLINE_PROCESSING capability to device 3.6
+ availableCapabilities.push_back(ANDROID_REQUEST_AVAILABLE_CAPABILITIES_OFFLINE_PROCESSING);
+
+ UPDATE(ANDROID_REQUEST_AVAILABLE_CAPABILITIES,
+ availableCapabilities.data(),
+ availableCapabilities.size());
+
+ return OK;
+}
+
+#undef UPDATE
+
+} // namespace implementation
+} // namespace V3_6
+} // namespace device
+} // namespace camera
+} // namespace hardware
+} // namespace android
+