Merge "Remove ArcVideoBridge service from framework/base."

        "frameworks/native/services",

        "system/gatekeeper/include",

    ],

    product_variables: {

        arc: {

            cflags: [

                "-DUSE_ARC",

            ],

            srcs: [

                "com_android_server_ArcVideoService.cpp",

            ],

        }

    }

}

cc_defaults {

            shared_libs: [

                "libarcbridge",

                "libarcbridgeservice",

                "libarcvideobridge",

                "libchrome",

                "libmojo",

            ],

/*

 * Copyright 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_NDEBUG 0

#define LOG_TAG "ArcVideoService"

#include <binder/IPCThreadState.h>

#include <binder/IServiceManager.h>

#include <media/arcvideobridge/IArcVideoBridge.h>

#include <utils/Log.h>

#include <base/bind.h>

#include <base/bind_helpers.h>

#include <mojo/edk/embedder/embedder.h>

#include <mojo/public/cpp/bindings/binding.h>

#include <arc/ArcBridgeSupport.h>

#include <arc/ArcService.h>

#include <arc/Future.h>

#include <arc/IArcBridgeService.h>

#include <arc/MojoProcessSupport.h>

#include <components/arc/common/video.mojom.h>

namespace {

// [MinVersion] of OnVideoInstanceReady method in arc_bridge.mojom.

constexpr int kMinimumArcBridgeHostVersion = 6;

void onCaptureResult(arc::Future<arc::MojoBootstrapResult>* future, uint32_t version,

                     mojo::ScopedHandle handle, const std::string& token) {

    mojo::edk::ScopedPlatformHandle scoped_platform_handle;

    MojoResult result =

            mojo::edk::PassWrappedPlatformHandle(handle.release().value(), &scoped_platform_handle);

    if (result != MOJO_RESULT_OK) {

        ALOGE("Received invalid file descriptor.");

        future->set(arc::MojoBootstrapResult());

        return;

    }

    base::ScopedFD fd(scoped_platform_handle.release().handle);

    future->set(arc::MojoBootstrapResult(std::move(fd), token, version));

}

}  // namespace

namespace arc {

class VideoService : public mojom::VideoInstance,

                     public ArcService,

                     public android::BnArcVideoBridge {

public:

    explicit VideoService(MojoProcessSupport* mojoProcessSupport)

          : mMojoProcessSupport(mojoProcessSupport), mBinding(this) {

        mMojoProcessSupport->arc_bridge_support().requestArcBridgeProxyAsync(

                this, kMinimumArcBridgeHostVersion);

    }

    ~VideoService() override { mMojoProcessSupport->disconnect(&mBinding, &mHostPtr); }

    // VideoInstance overrides:

    void InitDeprecated(mojom::VideoHostPtr hostPtr) override {

        Init(std::move(hostPtr), base::Bind(&base::DoNothing));

    }

    void Init(mojom::VideoHostPtr hostPtr, const InitCallback& callback) override {

        ALOGV("Init");

        mHostPtr = std::move(hostPtr);

        // A method must be called while we are still in a Mojo thread so the

        // proxy can perform lazy initialization and be able to be called from

        // non-Mojo threads later.

        // This also caches the version number so it can be obtained by calling

        // .version().

        mHostPtr.QueryVersion(base::Bind(

            [](const InitCallback& callback, uint32_t version) {

                ALOGI("VideoService ready (version=%d)", version);

                callback.Run();

            },

            callback));

        ALOGV("Init done");

    }

    // ArcService overrides:

    void ready(mojom::ArcBridgeHostPtr* bridgeHost) override {

        (*bridgeHost)->OnVideoInstanceReady(mBinding.CreateInterfacePtrAndBind());

    }

    void versionMismatch(uint32_t version) override {

        ALOGE("ArcBridgeHost version %d, does not support video (version %d)\n", version,

              kMinimumArcBridgeHostVersion);

    }

    // BnArcVideoBridge overrides:

    MojoBootstrapResult bootstrapVideoAcceleratorFactory() override {

        ALOGV("VideoService::bootstrapVideoAcceleratorFactory");

        Future<MojoBootstrapResult> future;

        mMojoProcessSupport->mojo_thread().getTaskRunner()->PostTask(

                FROM_HERE, base::Bind(&VideoService::bootstrapVideoAcceleratorFactoryOnMojoThread,

                                      base::Unretained(this), &future));

        return future.get();

    }

    int32_t hostVersion() override {

        ALOGV("VideoService::hostVersion");

        return mHostPtr.version();

    }

private:

    void bootstrapVideoAcceleratorFactoryOnMojoThread(Future<MojoBootstrapResult>* future) {

        if (!mHostPtr) {

            ALOGE("mHostPtr is not ready yet");

            future->set(MojoBootstrapResult());

            return;

        }

        mHostPtr->OnBootstrapVideoAcceleratorFactory(

                base::Bind(&onCaptureResult, base::Unretained(future), mHostPtr.version()));

    }

    // Outlives VideoService.

    MojoProcessSupport* const mMojoProcessSupport;

    mojo::Binding<mojom::VideoInstance> mBinding;

    mojom::VideoHostPtr mHostPtr;

};

}  // namespace arc

namespace android {

int register_android_server_ArcVideoService() {

    defaultServiceManager()->addService(

            String16("android.os.IArcVideoBridge"),

            new arc::VideoService(arc::MojoProcessSupport::getLeakyInstance()));

    return 0;

}

}  // namespace android

int register_android_server_GraphicsStatsService(JNIEnv* env);

int register_android_hardware_display_DisplayViewport(JNIEnv* env);

int register_android_server_net_NetworkStatsService(JNIEnv* env);

#ifdef USE_ARC

int register_android_server_ArcVideoService();

#endif

};

using namespace android;

    register_android_server_GraphicsStatsService(env);

    register_android_hardware_display_DisplayViewport(env);

    register_android_server_net_NetworkStatsService(env);

#ifdef USE_ARC

    register_android_server_ArcVideoService();

#endif

    return JNI_VERSION_1_4;

}