platform_hardware_interfaces/camera/device/3.6/default/ExternalCameraDevice.cpp
Yin-Chia Yeh 4da7c6c997 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
2020-01-29 11:22:20 -08:00

91 lines
3 KiB
C++

/*
* 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