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/*
* Copyright (C) 2017 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.
*/
#include "BroadcastRadio.h"
#include "resources.h"
#include <android-base/logging.h>
namespace android {
namespace hardware {
namespace broadcastradio {
namespace V2_0 {
namespace implementation {
using std::lock_guard;
using std::map;
using std::mutex;
using std::vector;
static const AmFmRegionConfig gDefaultAmFmConfig = { //
{
{87500, 108000, 100, 100}, // FM
{153, 282, 3, 9}, // AM LW
{531, 1620, 9, 9}, // AM MW
{1600, 30000, 1, 5}, // AM SW
},
static_cast<uint32_t>(Deemphasis::D50),
static_cast<uint32_t>(Rds::RDS)};
static Properties initProperties(const VirtualRadio& virtualRadio) {
Properties prop = {};
prop.maker = "Google";
prop.product = virtualRadio.getName();
prop.supportedIdentifierTypes = hidl_vec<uint32_t>({
static_cast<uint32_t>(IdentifierType::AMFM_FREQUENCY),
static_cast<uint32_t>(IdentifierType::RDS_PI),
static_cast<uint32_t>(IdentifierType::HD_STATION_ID_EXT),
static_cast<uint32_t>(IdentifierType::DAB_SID_EXT),
});
prop.vendorInfo = hidl_vec<VendorKeyValue>({
{"com.google.dummy", "dummy"},
});
return prop;
}
BroadcastRadio::BroadcastRadio(const VirtualRadio& virtualRadio)
: mVirtualRadio(virtualRadio),
mProperties(initProperties(virtualRadio)),
mAmFmConfig(gDefaultAmFmConfig) {}
Return<void> BroadcastRadio::getProperties(getProperties_cb _hidl_cb) {
_hidl_cb(mProperties);
return {};
}
AmFmRegionConfig BroadcastRadio::getAmFmConfig() const {
lock_guard<mutex> lk(mMut);
return mAmFmConfig;
}
Return<void> BroadcastRadio::getAmFmRegionConfig(bool full, getAmFmRegionConfig_cb _hidl_cb) {
if (full) {
AmFmRegionConfig config = {};
config.ranges = hidl_vec<AmFmBandRange>({
{65000, 108000, 10, 0}, // FM
{150, 30000, 1, 0}, // AM
});
config.fmDeemphasis = Deemphasis::D50 | Deemphasis::D75;
config.fmRds = Rds::RDS | Rds::RBDS;
_hidl_cb(Result::OK, config);
return {};
} else {
_hidl_cb(Result::OK, getAmFmConfig());
return {};
}
}
Return<void> BroadcastRadio::getDabRegionConfig(getDabRegionConfig_cb _hidl_cb) {
hidl_vec<DabTableEntry> config = {
{"5A", 174928}, {"7D", 194064}, {"8A", 195936}, {"8B", 197648}, {"9A", 202928},
{"9B", 204640}, {"9C", 206352}, {"10B", 211648}, {"10C", 213360}, {"10D", 215072},
{"11A", 216928}, {"11B", 218640}, {"11C", 220352}, {"11D", 222064}, {"12A", 223936},
{"12B", 225648}, {"12C", 227360}, {"12D", 229072},
};
_hidl_cb(Result::OK, config);
return {};
}
Return<void> BroadcastRadio::openSession(const sp<ITunerCallback>& callback,
openSession_cb _hidl_cb) {
LOG(DEBUG) << "opening new session...";
/* For the needs of default implementation it's fine to instantiate new session object
* out of the lock scope. If your implementation needs it, use reentrant lock.
*/
sp<TunerSession> newSession = new TunerSession(*this, callback);
lock_guard<mutex> lk(mMut);
auto oldSession = mSession.promote();
if (oldSession != nullptr) {
LOG(INFO) << "closing previously opened tuner";
oldSession->close();
mSession = nullptr;
}
mSession = newSession;
_hidl_cb(Result::OK, newSession);
return {};
}
Return<void> BroadcastRadio::getImage(uint32_t id, getImage_cb _hidl_cb) {
LOG(DEBUG) << "fetching image " << std::hex << id;
if (id == resources::demoPngId) {
_hidl_cb(std::vector<uint8_t>(resources::demoPng, std::end(resources::demoPng)));
return {};
}
LOG(INFO) << "image " << std::hex << id << " doesn't exists";
_hidl_cb({});
return {};
}
Return<void> BroadcastRadio::registerAnnouncementListener(
const hidl_vec<AnnouncementType>& enabled, const sp<IAnnouncementListener>& /* listener */,
registerAnnouncementListener_cb _hidl_cb) {
LOG(DEBUG) << "registering announcement listener for " << toString(enabled);
_hidl_cb(Result::NOT_SUPPORTED, nullptr);
return {};
}
} // namespace implementation
} // namespace V2_0
} // namespace broadcastradio
} // namespace hardware
} // namespace android
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