Tuner service and getFrontendIds

filegroup {

    name: "tv_tuner_aidl",

    srcs: [

        "aidl/android/media/tv/tuner/ITunerService.aidl",

    ],

    path: "aidl",

}

aidl_interface {

    name: "tv_tuner_aidl_interface",

    unstable: true,

    local_include_dir: "aidl",

    srcs: [

        ":tv_tuner_aidl",

    ],

}

cc_library {

    name: "libtunerservice",

    srcs: [

        "TunerService.cpp",

    ],

    shared_libs: [

        "android.hardware.tv.tuner@1.0",

        "libbinder",

        "libbinder_ndk",

        "libhidlbase",

        "liblog",

        "libmedia",

        "libutils",

        "tv_tuner_aidl_interface-ndk_platform",

    ],

    include_dirs: ["frameworks/av/include"],

    cflags: [

        "-Werror",

        "-Wall",

    ],

    export_include_dirs: ["."],

}

cc_binary {

    name: "mediatuner",

    srcs: [

        "main_tunerservice.cpp",

    ],

    shared_libs: [

        "android.hardware.tv.tuner@1.0",

        "libbase",

        "libbinder",

        "liblog",

        "libtunerservice",

        "libutils",

    ],

    static_libs: [

        "tv_tuner_aidl_interface-ndk_platform",

    ],

    init_rc: ["mediatuner.rc"],

    cflags: [

        "-Werror",

        "-Wall",

    ],

}

 No newline at end of file

nchalko@google.com

quxiangfang@google.com

/**

 * 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 "TunerService"

#include <android/binder_manager.h>

#include <utils/Log.h>

#include "TunerService.h"

using ::android::hardware::hidl_vec;

using ::android::hardware::tv::tuner::V1_0::FrontendId;

using ::android::hardware::tv::tuner::V1_0::Result;

namespace android {

sp<ITuner> TunerService::mTuner;

TunerService::TunerService() {}

TunerService::~TunerService() {}

void TunerService::instantiate() {

    std::shared_ptr<TunerService> service =

            ::ndk::SharedRefBase::make<TunerService>();

    AServiceManager_addService(service->asBinder().get(), getServiceName());

}

Status TunerService::getFrontendIds(std::vector<int32_t>* ids, int32_t* /* _aidl_return */) {

    if (mTuner == nullptr) {

        // TODO: create a method for init.

        mTuner = ITuner::getService();

        if (mTuner == nullptr) {

            ALOGE("Failed to get ITuner service.");

            return ::ndk::ScopedAStatus::fromServiceSpecificError(

                    static_cast<int32_t>(Result::UNAVAILABLE));

        }

    }

    hidl_vec<FrontendId> feIds;

    Result res;

    mTuner->getFrontendIds([&](Result r, const hidl_vec<FrontendId>& frontendIds) {

        feIds = frontendIds;

        res = r;

    });

    if (res != Result::SUCCESS) {

        return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));

    }

    ids->resize(feIds.size());

    std::copy(feIds.begin(), feIds.end(), ids->begin());

    return ::ndk::ScopedAStatus::ok();

}

} // namespace android

/**

 * 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.

 */

#ifndef ANDROID_MEDIA_TUNERSERVICE_H

#define ANDROID_MEDIA_TUNERSERVICE_H

#include <aidl/android/media/tv/tuner/BnTunerService.h>

#include <android/hardware/tv/tuner/1.0/ITuner.h>

using Status = ::ndk::ScopedAStatus;

using ::aidl::android::media::tv::tuner::BnTunerService;

using ::android::hardware::tv::tuner::V1_0::ITuner;

namespace android {

class TunerService : public BnTunerService {

public:

    static char const *getServiceName() { return "media.tuner"; }

    static void instantiate();

    TunerService();

    virtual ~TunerService();

    Status getFrontendIds(std::vector<int32_t>* ids, int32_t* _aidl_return) override;

private:

    static sp<ITuner> mTuner;

};

} // namespace android

#endif // ANDROID_MEDIA_TUNERSERVICE_H

nchalko@google.com

quxiangfang@google.com