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/*
* Copyright (C) 2019 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 "android.hardware.tv.tuner@1.0-Tuner"
#include "Tuner.h"
#include <android/hardware/tv/tuner/1.0/IFrontendCallback.h>
#include <utils/Log.h>
#include "Demux.h"
#include "Descrambler.h"
#include "Frontend.h"
#include "Lnb.h"
namespace android {
namespace hardware {
namespace tv {
namespace tuner {
namespace V1_0 {
namespace implementation {
using ::android::hardware::tv::tuner::V1_0::DemuxId;
Tuner::Tuner() {
// Static Frontends array to maintain local frontends information
// Array index matches their FrontendId in the default impl
mFrontendSize = 8;
mFrontends[0] = new Frontend(FrontendType::DVBT, 0, this);
mFrontends[1] = new Frontend(FrontendType::ATSC, 1, this);
mFrontends[2] = new Frontend(FrontendType::DVBC, 2, this);
mFrontends[3] = new Frontend(FrontendType::DVBS, 3, this);
mFrontends[4] = new Frontend(FrontendType::DVBT, 4, this);
mFrontends[5] = new Frontend(FrontendType::ISDBT, 5, this);
mFrontends[6] = new Frontend(FrontendType::ANALOG, 6, this);
mFrontends[7] = new Frontend(FrontendType::ATSC, 7, this);
FrontendInfo::FrontendCapabilities caps;
caps = FrontendInfo::FrontendCapabilities();
caps.dvbtCaps(FrontendDvbtCapabilities());
mFrontendCaps[0] = caps;
caps = FrontendInfo::FrontendCapabilities();
caps.atscCaps(FrontendAtscCapabilities());
mFrontendCaps[1] = caps;
caps = FrontendInfo::FrontendCapabilities();
caps.dvbcCaps(FrontendDvbcCapabilities());
mFrontendCaps[2] = caps;
caps = FrontendInfo::FrontendCapabilities();
caps.dvbsCaps(FrontendDvbsCapabilities());
mFrontendCaps[3] = caps;
caps = FrontendInfo::FrontendCapabilities();
caps.dvbtCaps(FrontendDvbtCapabilities());
mFrontendCaps[4] = caps;
caps = FrontendInfo::FrontendCapabilities();
FrontendIsdbtCapabilities isdbtCaps{
.modeCap = FrontendIsdbtMode::MODE_1 | FrontendIsdbtMode::MODE_2,
.bandwidthCap = (unsigned int)FrontendIsdbtBandwidth::BANDWIDTH_6MHZ,
.modulationCap = (unsigned int)FrontendIsdbtModulation::MOD_16QAM,
// ISDBT shares coderate and guard interval with DVBT
.coderateCap = FrontendDvbtCoderate::CODERATE_4_5 | FrontendDvbtCoderate::CODERATE_6_7,
.guardIntervalCap = (unsigned int)FrontendDvbtGuardInterval::INTERVAL_1_128,
};
caps.isdbtCaps(isdbtCaps);
mFrontendCaps[5] = caps;
caps = FrontendInfo::FrontendCapabilities();
caps.analogCaps(FrontendAnalogCapabilities());
mFrontendCaps[6] = caps;
caps = FrontendInfo::FrontendCapabilities();
caps.atscCaps(FrontendAtscCapabilities());
mFrontendCaps[7] = caps;
mLnbs.resize(2);
mLnbs[0] = new Lnb(0);
mLnbs[1] = new Lnb(1);
}
Tuner::~Tuner() {}
Return<void> Tuner::getFrontendIds(getFrontendIds_cb _hidl_cb) {
ALOGV("%s", __FUNCTION__);
vector<FrontendId> frontendIds;
frontendIds.resize(mFrontendSize);
for (int i = 0; i < mFrontendSize; i++) {
frontendIds[i] = mFrontends[i]->getFrontendId();
}
_hidl_cb(Result::SUCCESS, frontendIds);
return Void();
}
Return<void> Tuner::openFrontendById(uint32_t frontendId, openFrontendById_cb _hidl_cb) {
ALOGV("%s", __FUNCTION__);
if (frontendId >= mFrontendSize || frontendId < 0) {
ALOGW("[ WARN ] Frontend with id %d isn't available", frontendId);
_hidl_cb(Result::UNAVAILABLE, nullptr);
return Void();
}
_hidl_cb(Result::SUCCESS, mFrontends[frontendId]);
return Void();
}
Return<void> Tuner::openDemux(openDemux_cb _hidl_cb) {
ALOGV("%s", __FUNCTION__);
DemuxId demuxId = mLastUsedId + 1;
mLastUsedId += 1;
sp<Demux> demux = new Demux(demuxId, this);
mDemuxes[demuxId] = demux;
_hidl_cb(Result::SUCCESS, demuxId, demux);
return Void();
}
Return<void> Tuner::getDemuxCaps(getDemuxCaps_cb _hidl_cb) {
ALOGV("%s", __FUNCTION__);
DemuxCapabilities caps;
// IP filter can be an MMTP filter's data source.
caps.linkCaps = {0x00, 0x00, 0x02, 0x00, 0x00};
// Support time filter testing
caps.bTimeFilter = true;
_hidl_cb(Result::SUCCESS, caps);
return Void();
}
Return<void> Tuner::openDescrambler(openDescrambler_cb _hidl_cb) {
ALOGV("%s", __FUNCTION__);
sp<IDescrambler> descrambler = new Descrambler();
_hidl_cb(Result::SUCCESS, descrambler);
return Void();
}
Return<void> Tuner::getFrontendInfo(FrontendId frontendId, getFrontendInfo_cb _hidl_cb) {
ALOGV("%s", __FUNCTION__);
FrontendInfo info;
if (frontendId >= mFrontendSize) {
_hidl_cb(Result::INVALID_ARGUMENT, info);
return Void();
}
vector<FrontendStatusType> statusCaps = {
FrontendStatusType::DEMOD_LOCK,
FrontendStatusType::SNR,
FrontendStatusType::FEC,
FrontendStatusType::MODULATION,
FrontendStatusType::PLP_ID,
FrontendStatusType::LAYER_ERROR,
FrontendStatusType::ATSC3_PLP_INFO,
};
// assign randomly selected values for testing.
info = {
.type = mFrontends[frontendId]->getFrontendType(),
.minFrequency = 139000000,
.maxFrequency = 1139000000,
.minSymbolRate = 45,
.maxSymbolRate = 1145,
.acquireRange = 30,
.exclusiveGroupId = 57,
.statusCaps = statusCaps,
.frontendCaps = mFrontendCaps[frontendId],
};
_hidl_cb(Result::SUCCESS, info);
return Void();
}
Return<void> Tuner::getLnbIds(getLnbIds_cb _hidl_cb) {
ALOGV("%s", __FUNCTION__);
vector<LnbId> lnbIds;
lnbIds.resize(mLnbs.size());
for (int i = 0; i < lnbIds.size(); i++) {
lnbIds[i] = mLnbs[i]->getId();
}
_hidl_cb(Result::SUCCESS, lnbIds);
return Void();
}
Return<void> Tuner::openLnbById(LnbId lnbId, openLnbById_cb _hidl_cb) {
ALOGV("%s", __FUNCTION__);
if (lnbId >= mLnbs.size()) {
_hidl_cb(Result::INVALID_ARGUMENT, nullptr);
return Void();
}
_hidl_cb(Result::SUCCESS, mLnbs[lnbId]);
return Void();
}
sp<Frontend> Tuner::getFrontendById(uint32_t frontendId) {
ALOGV("%s", __FUNCTION__);
return mFrontends[frontendId];
}
Return<void> Tuner::openLnbByName(const hidl_string& /*lnbName*/, openLnbByName_cb _hidl_cb) {
ALOGV("%s", __FUNCTION__);
sp<ILnb> lnb = new Lnb();
_hidl_cb(Result::SUCCESS, 1234, lnb);
return Void();
}
void Tuner::setFrontendAsDemuxSource(uint32_t frontendId, uint32_t demuxId) {
mFrontendToDemux[frontendId] = demuxId;
if (mFrontends[frontendId] != nullptr && mFrontends[frontendId]->isLocked()) {
mDemuxes[demuxId]->startFrontendInputLoop();
}
}
void Tuner::removeDemux(uint32_t demuxId) {
map<uint32_t, uint32_t>::iterator it;
for (it = mFrontendToDemux.begin(); it != mFrontendToDemux.end(); it++) {
if (it->second == demuxId) {
it = mFrontendToDemux.erase(it);
break;
}
}
mDemuxes.erase(demuxId);
}
void Tuner::removeFrontend(uint32_t frontendId) {
mFrontendToDemux.erase(frontendId);
}
void Tuner::frontendStopTune(uint32_t frontendId) {
map<uint32_t, uint32_t>::iterator it = mFrontendToDemux.find(frontendId);
uint32_t demuxId;
if (it != mFrontendToDemux.end()) {
demuxId = it->second;
mDemuxes[demuxId]->stopFrontendInput();
}
}
void Tuner::frontendStartTune(uint32_t frontendId) {
map<uint32_t, uint32_t>::iterator it = mFrontendToDemux.find(frontendId);
uint32_t demuxId;
if (it != mFrontendToDemux.end()) {
demuxId = it->second;
mDemuxes[demuxId]->startFrontendInputLoop();
}
}
} // namespace implementation
} // namespace V1_0
} // namespace tuner
} // namespace tv
} // namespace hardware
} // namespace android