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/*
* Copyright 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_TV_TUNER_CLIENT_H_
#define _ANDROID_MEDIA_TV_TUNER_CLIENT_H_
#include <aidl/android/media/tv/tunerresourcemanager/ITunerResourceManager.h>
#include <aidl/android/media/tv/tuner/ITunerService.h>
#include <aidl/android/media/tv/tuner/TunerFrontendInfo.h>
#include <android/binder_parcel_utils.h>
#include <android/hardware/tv/tuner/1.1/ITuner.h>
#include <android/hardware/tv/tuner/1.1/types.h>
#include "DemuxClient.h"
#include "ClientHelper.h"
#include "FrontendClient.h"
#include "DescramblerClient.h"
#include "LnbClient.h"
using Status = ::ndk::ScopedAStatus;
using ::aidl::android::media::tv::tuner::TunerDemuxCapabilities;
using ::aidl::android::media::tv::tuner::ITunerService;
using ::aidl::android::media::tv::tuner::TunerFrontendInfo;
using ::aidl::android::media::tv::tunerresourcemanager::ITunerResourceManager;
using ::android::hardware::tv::tuner::V1_0::DemuxCapabilities;
using ::android::hardware::tv::tuner::V1_0::FrontendId;
using ::android::hardware::tv::tuner::V1_0::ITuner;
using ::android::hardware::tv::tuner::V1_0::LnbId;
using ::android::hardware::tv::tuner::V1_0::Result;
using ::android::hardware::tv::tuner::V1_1::FrontendDtmbCapabilities;
using namespace std;
namespace android {
const static int TUNER_HAL_VERSION_UNKNOWN = 0;
const static int TUNER_HAL_VERSION_1_0 = 1 << 16;
const static int TUNER_HAL_VERSION_1_1 = (1 << 16) | 1;
typedef enum {
FRONTEND,
LNB,
DEMUX,
DESCRAMBLER,
} TunerResourceType;
struct TunerClient : public RefBase {
public:
TunerClient();
~TunerClient();
/**
* Retrieve all the frontend ids.
*
* @return a list of the available frontend ids
*/
vector<FrontendId> getFrontendIds();
/**
* Open a new interface of FrontendClient given a frontendHandle.
*
* @param frontendHandle the handle of the frontend granted by TRM.
* @return a newly created FrontendClient interface.
*/
sp<FrontendClient> openFrontend(int frontendHandle);
/**
* Retrieve the granted frontend's information.
*
* @param id the id of the frontend granted by TRM.
* @return the information for the frontend.
*/
shared_ptr<FrontendInfo> getFrontendInfo(int id);
/**
* Retrieve the DTMB frontend's capabilities.
*
* @param id the id of the DTMB frontend.
* @return the capabilities of the frontend.
*/
shared_ptr<FrontendDtmbCapabilities> getFrontendDtmbCapabilities(int id);
/**
* Open a new interface of DemuxClient given a demuxHandle.
*
* @param demuxHandle the handle of the demux granted by TRM.
* @return a newly created DemuxClient interface.
*/
sp<DemuxClient> openDemux(int demuxHandle);
/**
* Retrieve the Demux capabilities.
*
* @return the demux’s capabilities.
*/
shared_ptr<DemuxCapabilities> getDemuxCaps();
/**
* Open a new interface of DescramblerClient given a descramblerHandle.
*
* @param descramblerHandle the handle of the descrambler granted by TRM.
* @return a newly created DescramblerClient interface.
*/
sp<DescramblerClient> openDescrambler(int descramblerHandle);
/**
* Open a new interface of LnbClient given an lnbHandle.
*
* @param lnbHandle the handle of the LNB granted by TRM.
* @return a newly created LnbClient interface.
*/
sp<LnbClient> openLnb(int lnbHandle);
/**
* Open a new interface of LnbClient given a LNB name.
*
* @param lnbName the name for an external LNB to be opened.
* @return a newly created LnbClient interface.
*/
sp<LnbClient> openLnbByName(string lnbName);
/**
* Get the current Tuner HAL version. The high 16 bits are the major version number
* while the low 16 bits are the minor version. Default value is unknown version 0.
*/
int getHalTunerVersion() { return mTunerVersion; }
private:
sp<ITuner> getHidlTuner();
sp<IFrontend> openHidlFrontendById(int id);
sp<IDemux> openHidlDemux(int& demuxId);
Result getHidlFrontendInfo(int id, FrontendInfo& info);
sp<ILnb> openHidlLnbById(int id);
sp<ILnb> openHidlLnbByName(string name, LnbId& lnbId);
sp<IDescrambler> openHidlDescrambler();
vector<int> getLnbHandles();
DemuxCapabilities getHidlDemuxCaps(TunerDemuxCapabilities& aidlCaps);
FrontendInfo frontendInfoAidlToHidl(TunerFrontendInfo aidlFrontendInfo);
void updateTunerResources();
void updateFrontendResources();
void updateLnbResources();
int getResourceIdFromHandle(int handle, int resourceType);
int getResourceHandleFromId(int id, int resourceType);
/**
* An AIDL Tuner Service Singleton assigned at the first time the Tuner Client
* connects with the Tuner Service. Default null when the service does not exist.
*/
static shared_ptr<ITunerService> mTunerService;
/**
* A Tuner 1.0 HAL interface that is ready before connecting to the TunerService
* This is a temprary connection before the Tuner Framework fully migrates to the TunerService.
* Default null.
*/
static sp<ITuner> mTuner;
/**
* A Tuner 1.1 HAL interface that is ready before connecting to the TunerService
* This is a temprary connection before the Tuner Framework fully migrates to the TunerService.
* Default null.
*/
static sp<::android::hardware::tv::tuner::V1_1::ITuner> mTuner_1_1;
// An integer that carries the Tuner version. The high 16 bits are the major version number
// while the low 16 bits are the minor version. Default value is unknown version 0.
static int mTunerVersion;
shared_ptr<ITunerResourceManager> mTunerResourceManager;
int mResourceRequestCount = 0;
};
} // namespace android
#endif // _ANDROID_MEDIA_TV_TUNER_CLIENT_H_
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