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/*
* Copyright (C) 2018 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 "core/default/Conversions.h"
#include <stdio.h>
#include <log/log.h>
namespace android {
namespace hardware {
namespace audio {
namespace CPP_VERSION {
namespace implementation {
using namespace ::android::hardware::audio::common::CPP_VERSION;
std::string deviceAddressToHal(const DeviceAddress& address) {
// HAL assumes that the address is NUL-terminated.
char halAddress[AUDIO_DEVICE_MAX_ADDRESS_LEN];
memset(halAddress, 0, sizeof(halAddress));
uint32_t halDevice = static_cast<uint32_t>(address.device);
const bool isInput = (halDevice & AUDIO_DEVICE_BIT_IN) != 0;
if (isInput) halDevice &= ~AUDIO_DEVICE_BIT_IN;
if ((!isInput && (halDevice & AUDIO_DEVICE_OUT_ALL_A2DP) != 0) ||
(isInput && (halDevice & AUDIO_DEVICE_IN_BLUETOOTH_A2DP) != 0)) {
snprintf(halAddress, sizeof(halAddress), "%02X:%02X:%02X:%02X:%02X:%02X",
address.address.mac[0], address.address.mac[1], address.address.mac[2],
address.address.mac[3], address.address.mac[4], address.address.mac[5]);
} else if ((!isInput && (halDevice & AUDIO_DEVICE_OUT_IP) != 0) ||
(isInput && (halDevice & AUDIO_DEVICE_IN_IP) != 0)) {
snprintf(halAddress, sizeof(halAddress), "%d.%d.%d.%d", address.address.ipv4[0],
address.address.ipv4[1], address.address.ipv4[2], address.address.ipv4[3]);
} else if ((!isInput && (halDevice & AUDIO_DEVICE_OUT_ALL_USB) != 0) ||
(isInput && (halDevice & AUDIO_DEVICE_IN_ALL_USB) != 0)) {
snprintf(halAddress, sizeof(halAddress), "card=%d;device=%d", address.address.alsa.card,
address.address.alsa.device);
} else if ((!isInput && (halDevice & AUDIO_DEVICE_OUT_BUS) != 0) ||
(isInput && (halDevice & AUDIO_DEVICE_IN_BUS) != 0)) {
snprintf(halAddress, sizeof(halAddress), "%s", address.busAddress.c_str());
} else if ((!isInput && (halDevice & AUDIO_DEVICE_OUT_REMOTE_SUBMIX)) != 0 ||
(isInput && (halDevice & AUDIO_DEVICE_IN_REMOTE_SUBMIX) != 0)) {
snprintf(halAddress, sizeof(halAddress), "%s", address.rSubmixAddress.c_str());
}
return halAddress;
}
#if MAJOR_VERSION >= 4
status_t deviceAddressFromHal(audio_devices_t device, const char* halAddress,
DeviceAddress* address) {
if (address == nullptr) {
return BAD_VALUE;
}
address->device = AudioDevice(device);
if (halAddress == nullptr || strnlen(halAddress, AUDIO_DEVICE_MAX_ADDRESS_LEN) == 0) {
return OK;
}
const bool isInput = (device & AUDIO_DEVICE_BIT_IN) != 0;
if (isInput) device &= ~AUDIO_DEVICE_BIT_IN;
if ((!isInput && (device & AUDIO_DEVICE_OUT_ALL_A2DP) != 0) ||
(isInput && (device & AUDIO_DEVICE_IN_BLUETOOTH_A2DP) != 0)) {
int status =
sscanf(halAddress, "%hhX:%hhX:%hhX:%hhX:%hhX:%hhX", &address->address.mac[0],
&address->address.mac[1], &address->address.mac[2], &address->address.mac[3],
&address->address.mac[4], &address->address.mac[5]);
return status == 6 ? OK : BAD_VALUE;
} else if ((!isInput && (device & AUDIO_DEVICE_OUT_IP) != 0) ||
(isInput && (device & AUDIO_DEVICE_IN_IP) != 0)) {
int status =
sscanf(halAddress, "%hhu.%hhu.%hhu.%hhu", &address->address.ipv4[0],
&address->address.ipv4[1], &address->address.ipv4[2], &address->address.ipv4[3]);
return status == 4 ? OK : BAD_VALUE;
} else if ((!isInput && (device & AUDIO_DEVICE_OUT_ALL_USB)) != 0 ||
(isInput && (device & AUDIO_DEVICE_IN_ALL_USB)) != 0) {
int status = sscanf(halAddress, "card=%d;device=%d", &address->address.alsa.card,
&address->address.alsa.device);
return status == 2 ? OK : BAD_VALUE;
} else if ((!isInput && (device & AUDIO_DEVICE_OUT_BUS) != 0) ||
(isInput && (device & AUDIO_DEVICE_IN_BUS) != 0)) {
address->busAddress = halAddress;
return OK;
} else if ((!isInput && (device & AUDIO_DEVICE_OUT_REMOTE_SUBMIX)) != 0 ||
(isInput && (device & AUDIO_DEVICE_IN_REMOTE_SUBMIX) != 0)) {
address->rSubmixAddress = halAddress;
return OK;
}
address->busAddress = halAddress;
return OK;
}
AudioMicrophoneChannelMapping halToChannelMapping(audio_microphone_channel_mapping_t mapping) {
switch (mapping) {
case AUDIO_MICROPHONE_CHANNEL_MAPPING_UNUSED:
return AudioMicrophoneChannelMapping::UNUSED;
case AUDIO_MICROPHONE_CHANNEL_MAPPING_DIRECT:
return AudioMicrophoneChannelMapping::DIRECT;
case AUDIO_MICROPHONE_CHANNEL_MAPPING_PROCESSED:
return AudioMicrophoneChannelMapping::PROCESSED;
default:
ALOGE("Invalid channel mapping type: %d", mapping);
return AudioMicrophoneChannelMapping::UNUSED;
}
}
AudioMicrophoneLocation halToLocation(audio_microphone_location_t location) {
switch (location) {
default:
case AUDIO_MICROPHONE_LOCATION_UNKNOWN:
return AudioMicrophoneLocation::UNKNOWN;
case AUDIO_MICROPHONE_LOCATION_MAINBODY:
return AudioMicrophoneLocation::MAINBODY;
case AUDIO_MICROPHONE_LOCATION_MAINBODY_MOVABLE:
return AudioMicrophoneLocation::MAINBODY_MOVABLE;
case AUDIO_MICROPHONE_LOCATION_PERIPHERAL:
return AudioMicrophoneLocation::PERIPHERAL;
}
}
AudioMicrophoneDirectionality halToDirectionality(audio_microphone_directionality_t dir) {
switch (dir) {
default:
case AUDIO_MICROPHONE_DIRECTIONALITY_UNKNOWN:
return AudioMicrophoneDirectionality::UNKNOWN;
case AUDIO_MICROPHONE_DIRECTIONALITY_OMNI:
return AudioMicrophoneDirectionality::OMNI;
case AUDIO_MICROPHONE_DIRECTIONALITY_BI_DIRECTIONAL:
return AudioMicrophoneDirectionality::BI_DIRECTIONAL;
case AUDIO_MICROPHONE_DIRECTIONALITY_CARDIOID:
return AudioMicrophoneDirectionality::CARDIOID;
case AUDIO_MICROPHONE_DIRECTIONALITY_HYPER_CARDIOID:
return AudioMicrophoneDirectionality::HYPER_CARDIOID;
case AUDIO_MICROPHONE_DIRECTIONALITY_SUPER_CARDIOID:
return AudioMicrophoneDirectionality::SUPER_CARDIOID;
}
}
bool halToMicrophoneCharacteristics(MicrophoneInfo* pDst,
const struct audio_microphone_characteristic_t& src) {
bool status = false;
if (pDst != NULL) {
pDst->deviceId = src.device_id;
if (deviceAddressFromHal(src.device, src.address, &pDst->deviceAddress) != OK) {
return false;
}
pDst->channelMapping.resize(AUDIO_CHANNEL_COUNT_MAX);
for (size_t ch = 0; ch < pDst->channelMapping.size(); ch++) {
pDst->channelMapping[ch] = halToChannelMapping(src.channel_mapping[ch]);
}
pDst->location = halToLocation(src.location);
pDst->group = (AudioMicrophoneGroup)src.group;
pDst->indexInTheGroup = (uint32_t)src.index_in_the_group;
pDst->sensitivity = src.sensitivity;
pDst->maxSpl = src.max_spl;
pDst->minSpl = src.min_spl;
pDst->directionality = halToDirectionality(src.directionality);
pDst->frequencyResponse.resize(src.num_frequency_responses);
for (size_t k = 0; k < src.num_frequency_responses; k++) {
pDst->frequencyResponse[k].frequency = src.frequency_responses[0][k];
pDst->frequencyResponse[k].level = src.frequency_responses[1][k];
}
pDst->position.x = src.geometric_location.x;
pDst->position.y = src.geometric_location.y;
pDst->position.z = src.geometric_location.z;
pDst->orientation.x = src.orientation.x;
pDst->orientation.y = src.orientation.y;
pDst->orientation.z = src.orientation.z;
status = true;
}
return status;
}
#endif
} // namespace implementation
} // namespace CPP_VERSION
} // namespace audio
} // namespace hardware
} // namespace android
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