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/*
* Copyright (C) 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_TAG "BroadcastRadioHalUtils"
//#define LOG_NDEBUG 0
#include <log/log.h>
#include <utils/misc.h>
#include <system/radio_metadata.h>
#include "Utils.h"
namespace android {
namespace hardware {
namespace broadcastradio {
namespace V1_0 {
namespace implementation {
const char *Utils::sClassModuleNames[] = {
RADIO_HARDWARE_MODULE_ID_FM, /* corresponds to RADIO_CLASS_AM_FM */
RADIO_HARDWARE_MODULE_ID_SAT, /* corresponds to RADIO_CLASS_SAT */
RADIO_HARDWARE_MODULE_ID_DT, /* corresponds to RADIO_CLASS_DT */
};
// make sure HIDL enum values are aligned with legacy values
static_assert(RADIO_CLASS_AM_FM == static_cast<int>(Class::AM_FM),
"AM/FM class mismatch with legacy");
static_assert(RADIO_CLASS_SAT == static_cast<int>(Class::SAT),
"SAT class mismatch with legacy");
static_assert(RADIO_CLASS_DT == static_cast<int>(Class::DT),
"DT class mismatch with legacy");
static_assert(RADIO_BAND_AM == static_cast<int>(Band::AM),
"AM band mismatch with legacy");
static_assert(RADIO_BAND_FM == static_cast<int>(Band::FM),
"FM band mismatch with legacy");
static_assert(RADIO_BAND_AM_HD == static_cast<int>(Band::AM_HD),
"AM HD band mismatch with legacy");
static_assert(RADIO_BAND_FM_HD == static_cast<int>(Band::FM_HD),
"FM HD band mismatch with legacy");
static_assert(RADIO_RDS_NONE == static_cast<int>(Rds::NONE),
"RDS NONE mismatch with legacy");
static_assert(RADIO_RDS_WORLD == static_cast<int>(Rds::WORLD),
"RDS WORLD mismatch with legacy");
static_assert(RADIO_RDS_US == static_cast<int>(Rds::US),
"RDS US mismatch with legacy");
static_assert(RADIO_DEEMPHASIS_50 == static_cast<int>(Deemphasis::D50),
"De-emphasis 50 mismatch with legacy");
static_assert(RADIO_DEEMPHASIS_75 == static_cast<int>(Deemphasis::D75),
"De-emphasis 75 mismatch with legacy");
static_assert(RADIO_DIRECTION_UP == static_cast<int>(Direction::UP),
"Direction Up mismatch with legacy");
static_assert(RADIO_DIRECTION_DOWN == static_cast<int>(Direction::DOWN),
"Direction Up mismatch with legacy");
static_assert(RADIO_METADATA_TYPE_INVALID == static_cast<int>(MetadataType::INVALID),
"Metadata type INVALID mismatch with legacy");
static_assert(RADIO_METADATA_TYPE_INT == static_cast<int>(MetadataType::INT),
"Metadata type INT mismatch with legacy");
static_assert(RADIO_METADATA_TYPE_TEXT == static_cast<int>(MetadataType::TEXT),
"Metadata type TEXT mismatch with legacy");
static_assert(RADIO_METADATA_TYPE_RAW == static_cast<int>(MetadataType::RAW),
"Metadata type RAW mismatch with legacy");
static_assert(RADIO_METADATA_TYPE_CLOCK == static_cast<int>(MetadataType::CLOCK),
"Metadata type CLOCK mismatch with legacy");
static_assert(RADIO_METADATA_KEY_INVALID == static_cast<int>(MetadataKey::INVALID),
"Metadata key INVALID mismatch with legacy");
static_assert(RADIO_METADATA_KEY_RDS_PI == static_cast<int>(MetadataKey::RDS_PI),
"Metadata key RDS_PI mismatch with legacy");
static_assert(RADIO_METADATA_KEY_RDS_PS == static_cast<int>(MetadataKey::RDS_PS),
"Metadata key RDS_PS mismatch with legacy");
static_assert(RADIO_METADATA_KEY_RDS_PTY == static_cast<int>(MetadataKey::RDS_PTY),
"Metadata key RDS_PTY mismatch with legacy");
static_assert(RADIO_METADATA_KEY_RBDS_PTY == static_cast<int>(MetadataKey::RBDS_PTY),
"Metadata key RBDS_PTY mismatch with legacy");
static_assert(RADIO_METADATA_KEY_RDS_RT == static_cast<int>(MetadataKey::RDS_RT),
"Metadata key RDS_RT mismatch with legacy");
static_assert(RADIO_METADATA_KEY_TITLE == static_cast<int>(MetadataKey::TITLE),
"Metadata key TITLE mismatch with legacy");
static_assert(RADIO_METADATA_KEY_ARTIST == static_cast<int>(MetadataKey::ARTIST),
"Metadata key ARTIST mismatch with legacy");
static_assert(RADIO_METADATA_KEY_ALBUM == static_cast<int>(MetadataKey::ALBUM),
"Metadata key ALBUM mismatch with legacy");
static_assert(RADIO_METADATA_KEY_GENRE == static_cast<int>(MetadataKey::GENRE),
"Metadata key GENRE mismatch with legacy");
static_assert(RADIO_METADATA_KEY_ICON == static_cast<int>(MetadataKey::ICON),
"Metadata key ICON mismatch with legacy");
static_assert(RADIO_METADATA_KEY_ART == static_cast<int>(MetadataKey::ART),
"Metadata key ART mismatch with legacy");
static_assert(RADIO_METADATA_KEY_CLOCK == static_cast<int>(MetadataKey::CLOCK),
"Metadata key CLOCK mismatch with legacy");
//static
const char * Utils::getClassString(Class ClassId)
{
int id = static_cast<int>(ClassId);
if ((id < 0) ||
(id >= NELEM(sClassModuleNames))) {
ALOGE("invalid class ID %d", id);
return NULL;
}
return sClassModuleNames[id];
}
//static
Result Utils::convertHalResult(int rc)
{
switch (rc) {
case 0:
return Result::OK;
case -EINVAL:
return Result::INVALID_ARGUMENTS;
case -ENOSYS:
return Result::INVALID_STATE;
case -ETIMEDOUT:
return Result::TIMEOUT;
case -ENODEV:
default:
return Result::NOT_INITIALIZED;
}
}
//static
void Utils::convertBandConfigFromHal(
BandConfig *config,
const radio_hal_band_config_t *halConfig)
{
config->type = static_cast<Band>(halConfig->type);
config->antennaConnected = halConfig->antenna_connected;
config->lowerLimit = halConfig->lower_limit;
config->upperLimit = halConfig->upper_limit;
config->spacings.setToExternal(const_cast<unsigned int *>(&halConfig->spacings[0]),
halConfig->num_spacings * sizeof(uint32_t));
// FIXME: transfer buffer ownership. should have a method for that in hidl_vec
config->spacings.resize(halConfig->num_spacings);
if (config->type == Band::FM) {
config->ext.fm.deemphasis = static_cast<Deemphasis>(halConfig->fm.deemphasis);
config->ext.fm.stereo = halConfig->fm.stereo;
config->ext.fm.rds = static_cast<Rds>(halConfig->fm.rds);
config->ext.fm.ta = halConfig->fm.ta;
config->ext.fm.af = halConfig->fm.af;
config->ext.fm.ea = halConfig->fm.ea;
} else {
config->ext.am.stereo = halConfig->am.stereo;
}
}
//static
void Utils::convertPropertiesFromHal(
Properties *properties,
const radio_hal_properties_t *halProperties)
{
properties->classId = static_cast<Class>(halProperties->class_id);
properties->implementor.setToExternal(halProperties->implementor, strlen(halProperties->implementor));
properties->product.setToExternal(halProperties->product, strlen(halProperties->product));
properties->version.setToExternal(halProperties->version, strlen(halProperties->version));
properties->serial.setToExternal(halProperties->serial, strlen(halProperties->serial));
properties->numTuners = halProperties->num_tuners;
properties->numAudioSources = halProperties->num_audio_sources;
properties->supportsCapture = halProperties->supports_capture;
BandConfig *bands =
new BandConfig[halProperties->num_bands];
for (size_t i = 0; i < halProperties->num_bands; i++) {
convertBandConfigFromHal(&bands[i], &halProperties->bands[i]);
}
properties->bands.setToExternal(bands, halProperties->num_bands);
// FIXME: transfer buffer ownership. should have a method for that in hidl_vec
properties->bands.resize(halProperties->num_bands);
delete[] bands;
}
//static
void Utils::convertBandConfigToHal(
radio_hal_band_config_t *halConfig,
const BandConfig *config)
{
halConfig->type = static_cast<radio_band_t>(config->type);
halConfig->antenna_connected = config->antennaConnected;
halConfig->lower_limit = config->lowerLimit;
halConfig->upper_limit = config->upperLimit;
halConfig->num_spacings = config->spacings.size();
if (halConfig->num_spacings > RADIO_NUM_SPACINGS_MAX) {
halConfig->num_spacings = RADIO_NUM_SPACINGS_MAX;
}
memcpy(halConfig->spacings, config->spacings.data(),
sizeof(uint32_t) * halConfig->num_spacings);
if (config->type == Band::FM) {
halConfig->fm.deemphasis = static_cast<radio_deemphasis_t>(config->ext.fm.deemphasis);
halConfig->fm.stereo = config->ext.fm.stereo;
halConfig->fm.rds = static_cast<radio_rds_t>(config->ext.fm.rds);
halConfig->fm.ta = config->ext.fm.ta;
halConfig->fm.af = config->ext.fm.af;
halConfig->fm.ea = config->ext.fm.ea;
} else {
halConfig->am.stereo = config->ext.am.stereo;
}
}
//static
void Utils::convertProgramInfoFromHal(ProgramInfo *info,
radio_program_info_t *halInfo)
{
info->channel = halInfo->channel;
info->subChannel = halInfo->sub_channel;
info->tuned = halInfo->tuned;
info->stereo = halInfo->stereo;
info->digital = halInfo->digital;
info->signalStrength = halInfo->signal_strength;
convertMetaDataFromHal(info->metadata, halInfo->metadata);
}
//static
int Utils::convertMetaDataFromHal(hidl_vec<MetaData>& metadata,
radio_metadata_t *halMetadata)
{
if (halMetadata == NULL) {
ALOGE("Invalid argument: halMetadata is NULL");
return 0;
}
int count = radio_metadata_get_count(halMetadata);
if (count <= 0) {
return count;
}
MetaData *newMetadata =
new MetaData[count];
int outCount = 0;
for (int i = 0; i < count; i++) {
radio_metadata_key_t key;
radio_metadata_type_t type;
void *value;
size_t size;
if (radio_metadata_get_at_index(halMetadata, i , &key, &type, &value, &size) != 0 ||
size == 0) {
continue;
}
switch (type) {
case RADIO_METADATA_TYPE_INT: {
newMetadata[outCount].intValue = *(static_cast<int32_t *>(value));
} break;
case RADIO_METADATA_TYPE_TEXT: {
newMetadata[outCount].stringValue = static_cast<char *>(value);
} break;
case RADIO_METADATA_TYPE_RAW: {
newMetadata[outCount].rawValue.setToExternal(static_cast<uint8_t *>(value), size);
// FIXME: transfer buffer ownership. should have a method for that in hidl_vec
newMetadata[outCount].rawValue.resize(size);
} break;
case RADIO_METADATA_TYPE_CLOCK: {
radio_metadata_clock_t *clock = static_cast<radio_metadata_clock_t *>(value);
newMetadata[outCount].clockValue.utcSecondsSinceEpoch =
clock->utc_seconds_since_epoch;
newMetadata[outCount].clockValue.timezoneOffsetInMinutes =
clock->timezone_offset_in_minutes;
} break;
}
newMetadata[outCount].type = static_cast<MetadataType>(type);
newMetadata[outCount].key = static_cast<MetadataKey>(key);
outCount++;
}
metadata.setToExternal(newMetadata, outCount);
// FIXME: transfer buffer ownership. should have a method for that in hidl_vec
metadata.resize(outCount);
return outCount;
}
} // namespace implementation
} // namespace V1_0
} // namespace broadcastradio
} // namespace hardware
} // namespace android