The file is copied from managerdefinition folder. Doing this to get a better git history. Test: make Bug: 135621476 Change-Id: I9a6d6401e45102b5303730b4900b1899968ca267gugelfrei
jiabin
5 years ago
parent
e128485cea
commit
6ae65d8c2a
@ -0,0 +1,469 @@
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/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "APM::Devices"
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//#define LOG_NDEBUG 0
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#include <audio_utils/string.h>
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#include <media/TypeConverter.h>
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#include <set>
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#include "DeviceDescriptor.h"
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#include "TypeConverter.h"
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#include "HwModule.h"
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namespace android {
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DeviceDescriptor::DeviceDescriptor(audio_devices_t type, const std::string &tagName) :
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DeviceDescriptor(type, FormatVector{}, tagName)
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{
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}
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DeviceDescriptor::DeviceDescriptor(audio_devices_t type, const FormatVector &encodedFormats,
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const std::string &tagName) :
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AudioPort("", AUDIO_PORT_TYPE_DEVICE,
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audio_is_output_device(type) ? AUDIO_PORT_ROLE_SINK :
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AUDIO_PORT_ROLE_SOURCE),
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mTagName(tagName), mDeviceType(type), mEncodedFormats(encodedFormats)
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{
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mCurrentEncodedFormat = AUDIO_FORMAT_DEFAULT;
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if (audio_is_remote_submix_device(type)) {
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mAddress = String8("0");
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}
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/* If framework runs against a pre 5.0 Audio HAL, encoded formats are absent from the config.
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* FIXME: APM should know the version of the HAL and don't add the formats for V5.0.
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* For now, the workaround to remove AC3 and IEC61937 support on HDMI is to declare
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* something like 'encodedFormats="AUDIO_FORMAT_PCM_16_BIT"' on the HDMI devicePort.
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*/
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if (type == AUDIO_DEVICE_OUT_HDMI && mEncodedFormats.empty()) {
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mEncodedFormats.push_back(AUDIO_FORMAT_AC3);
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mEncodedFormats.push_back(AUDIO_FORMAT_IEC61937);
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}
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}
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void DeviceDescriptor::attach(const sp<HwModule>& module)
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{
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PolicyAudioPort::attach(module);
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mId = getNextUniqueId();
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}
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void DeviceDescriptor::detach() {
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mId = AUDIO_PORT_HANDLE_NONE;
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PolicyAudioPort::detach();
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}
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template<typename T>
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bool checkEqual(const T& f1, const T& f2)
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{
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std::set<typename T::value_type> s1(f1.begin(), f1.end());
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std::set<typename T::value_type> s2(f2.begin(), f2.end());
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return s1 == s2;
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}
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bool DeviceDescriptor::equals(const sp<DeviceDescriptor>& other) const
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{
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// Devices are considered equal if they:
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// - are of the same type (a device type cannot be AUDIO_DEVICE_NONE)
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// - have the same address
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// - have the same encodingFormats (if device supports encoding)
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if (other == 0) {
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return false;
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}
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return (mDeviceType == other->mDeviceType) && (mAddress == other->mAddress) &&
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checkEqual(mEncodedFormats, other->mEncodedFormats);
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}
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bool DeviceDescriptor::hasCurrentEncodedFormat() const
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{
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if (!device_has_encoding_capability(type())) {
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return true;
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}
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if (mEncodedFormats.empty()) {
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return true;
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}
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return (mCurrentEncodedFormat != AUDIO_FORMAT_DEFAULT);
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}
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bool DeviceDescriptor::supportsFormat(audio_format_t format)
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{
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if (mEncodedFormats.empty()) {
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return true;
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}
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for (const auto& devFormat : mEncodedFormats) {
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if (devFormat == format) {
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return true;
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}
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}
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return false;
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}
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void DeviceVector::refreshTypes()
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{
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mDeviceTypes = AUDIO_DEVICE_NONE;
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for (size_t i = 0; i < size(); i++) {
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mDeviceTypes |= itemAt(i)->type();
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}
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ALOGV("DeviceVector::refreshTypes() mDeviceTypes %08x", mDeviceTypes);
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}
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ssize_t DeviceVector::indexOf(const sp<DeviceDescriptor>& item) const
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{
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for (size_t i = 0; i < size(); i++) {
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if (itemAt(i)->equals(item)) { // item may be null sp<>, i.e. AUDIO_DEVICE_NONE
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return i;
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}
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}
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return -1;
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}
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void DeviceVector::add(const DeviceVector &devices)
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{
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bool added = false;
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for (const auto& device : devices) {
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if (indexOf(device) < 0 && SortedVector::add(device) >= 0) {
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added = true;
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}
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}
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if (added) {
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refreshTypes();
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}
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}
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ssize_t DeviceVector::add(const sp<DeviceDescriptor>& item)
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{
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ssize_t ret = indexOf(item);
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if (ret < 0) {
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ret = SortedVector::add(item);
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if (ret >= 0) {
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refreshTypes();
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}
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} else {
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ALOGW("DeviceVector::add device %08x already in", item->type());
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ret = -1;
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}
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return ret;
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}
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ssize_t DeviceVector::remove(const sp<DeviceDescriptor>& item)
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{
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ssize_t ret = indexOf(item);
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if (ret < 0) {
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ALOGW("DeviceVector::remove device %08x not in", item->type());
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} else {
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ret = SortedVector::removeAt(ret);
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if (ret >= 0) {
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refreshTypes();
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}
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}
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return ret;
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}
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void DeviceVector::remove(const DeviceVector &devices)
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{
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for (const auto& device : devices) {
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remove(device);
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}
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}
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DeviceVector DeviceVector::getDevicesFromHwModule(audio_module_handle_t moduleHandle) const
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{
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DeviceVector devices;
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for (const auto& device : *this) {
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if (device->getModuleHandle() == moduleHandle) {
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devices.add(device);
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}
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}
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return devices;
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}
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audio_devices_t DeviceVector::getDeviceTypesFromHwModule(audio_module_handle_t moduleHandle) const
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{
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audio_devices_t deviceTypes = AUDIO_DEVICE_NONE;
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for (const auto& device : *this) {
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if (device->getModuleHandle() == moduleHandle) {
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deviceTypes |= device->type();
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}
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}
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return deviceTypes;
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}
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sp<DeviceDescriptor> DeviceVector::getDevice(audio_devices_t type, const String8& address,
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audio_format_t format) const
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{
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sp<DeviceDescriptor> device;
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for (size_t i = 0; i < size(); i++) {
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if (itemAt(i)->type() == type) {
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// If format is specified, match it and ignore address
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// Otherwise if address is specified match it
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// Otherwise always match
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if (((address == "" || itemAt(i)->address() == address) &&
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format == AUDIO_FORMAT_DEFAULT) ||
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(itemAt(i)->supportsFormat(format) && format != AUDIO_FORMAT_DEFAULT)) {
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device = itemAt(i);
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if (itemAt(i)->address() == address) {
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break;
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}
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}
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}
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}
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ALOGV("DeviceVector::%s() for type %08x address \"%s\" found %p format %08x",
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__func__, type, address.string(), device.get(), format);
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return device;
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}
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sp<DeviceDescriptor> DeviceVector::getDeviceFromId(audio_port_handle_t id) const
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{
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if (id != AUDIO_PORT_HANDLE_NONE) {
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for (const auto& device : *this) {
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if (device->getId() == id) {
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return device;
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}
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}
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}
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return nullptr;
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}
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DeviceVector DeviceVector::getDevicesFromTypeMask(audio_devices_t type) const
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{
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DeviceVector devices;
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bool isOutput = audio_is_output_devices(type);
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type &= ~AUDIO_DEVICE_BIT_IN;
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for (size_t i = 0; (i < size()) && (type != AUDIO_DEVICE_NONE); i++) {
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bool curIsOutput = audio_is_output_devices(itemAt(i)->type());
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audio_devices_t curType = itemAt(i)->type() & ~AUDIO_DEVICE_BIT_IN;
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if ((isOutput == curIsOutput) && ((type & curType) != 0)) {
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devices.add(itemAt(i));
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ALOGV("DeviceVector::%s() for type %08x found %p",
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__func__, itemAt(i)->type(), itemAt(i).get());
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}
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}
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return devices;
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}
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sp<DeviceDescriptor> DeviceVector::getDeviceFromTagName(const std::string &tagName) const
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{
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for (const auto& device : *this) {
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if (device->getTagName() == tagName) {
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return device;
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}
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}
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return nullptr;
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}
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DeviceVector DeviceVector::getFirstDevicesFromTypes(
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std::vector<audio_devices_t> orderedTypes) const
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{
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DeviceVector devices;
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for (auto deviceType : orderedTypes) {
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if (!(devices = getDevicesFromTypeMask(deviceType)).isEmpty()) {
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break;
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}
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}
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return devices;
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}
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sp<DeviceDescriptor> DeviceVector::getFirstExistingDevice(
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std::vector<audio_devices_t> orderedTypes) const {
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sp<DeviceDescriptor> device;
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for (auto deviceType : orderedTypes) {
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if ((device = getDevice(deviceType, String8(""), AUDIO_FORMAT_DEFAULT)) != nullptr) {
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break;
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}
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}
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return device;
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}
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void DeviceVector::replaceDevicesByType(
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audio_devices_t typeToRemove, const DeviceVector &devicesToAdd) {
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DeviceVector devicesToRemove = getDevicesFromTypeMask(typeToRemove);
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if (!devicesToRemove.isEmpty() && !devicesToAdd.isEmpty()) {
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remove(devicesToRemove);
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add(devicesToAdd);
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}
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}
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void DeviceVector::dump(String8 *dst, const String8 &tag, int spaces, bool verbose) const
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{
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if (isEmpty()) {
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return;
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}
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dst->appendFormat("%*s- %s devices:\n", spaces, "", tag.string());
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for (size_t i = 0; i < size(); i++) {
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itemAt(i)->dump(dst, spaces + 2, i, verbose);
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}
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}
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status_t DeviceDescriptor::applyAudioPortConfig(const struct audio_port_config *config,
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audio_port_config *backupConfig)
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{
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struct audio_port_config localBackupConfig = { .config_mask = config->config_mask };
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status_t status = NO_ERROR;
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toAudioPortConfig(&localBackupConfig);
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if ((status = validationBeforeApplyConfig(config)) == NO_ERROR) {
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AudioPortConfig::applyAudioPortConfig(config, backupConfig);
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applyPolicyAudioPortConfig(config);
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}
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if (backupConfig != NULL) {
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*backupConfig = localBackupConfig;
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}
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return status;
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}
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void DeviceDescriptor::toAudioPortConfig(struct audio_port_config *dstConfig,
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const struct audio_port_config *srcConfig) const
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{
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dstConfig->config_mask = AUDIO_PORT_CONFIG_GAIN;
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if (mSamplingRate != 0) {
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dstConfig->config_mask |= AUDIO_PORT_CONFIG_SAMPLE_RATE;
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}
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if (mChannelMask != AUDIO_CHANNEL_NONE) {
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dstConfig->config_mask |= AUDIO_PORT_CONFIG_CHANNEL_MASK;
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}
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if (mFormat != AUDIO_FORMAT_INVALID) {
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dstConfig->config_mask |= AUDIO_PORT_CONFIG_FORMAT;
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}
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if (srcConfig != NULL) {
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dstConfig->config_mask |= srcConfig->config_mask;
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}
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AudioPortConfig::toAudioPortConfig(dstConfig, srcConfig);
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toPolicyAudioPortConfig(dstConfig, srcConfig);
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dstConfig->role = audio_is_output_device(mDeviceType) ?
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AUDIO_PORT_ROLE_SINK : AUDIO_PORT_ROLE_SOURCE;
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dstConfig->type = AUDIO_PORT_TYPE_DEVICE;
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dstConfig->ext.device.type = mDeviceType;
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//TODO Understand why this test is necessary. i.e. why at boot time does it crash
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// without the test?
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// This has been demonstrated to NOT be true (at start up)
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// ALOG_ASSERT(mModule != NULL);
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dstConfig->ext.device.hw_module = getModuleHandle();
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(void)audio_utils_strlcpy_zerofill(dstConfig->ext.device.address, mAddress.string());
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}
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void DeviceDescriptor::toAudioPort(struct audio_port *port) const
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{
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ALOGV("DeviceDescriptor::toAudioPort() handle %d type %08x", mId, mDeviceType);
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AudioPort::toAudioPort(port);
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port->id = mId;
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toAudioPortConfig(&port->active_config);
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port->ext.device.type = mDeviceType;
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port->ext.device.hw_module = getModuleHandle();
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(void)audio_utils_strlcpy_zerofill(port->ext.device.address, mAddress.string());
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}
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void DeviceDescriptor::importAudioPortAndPickAudioProfile(
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const sp<PolicyAudioPort>& policyPort, bool force) {
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if (!force && !policyPort->asAudioPort()->hasDynamicAudioProfile()) {
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return;
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}
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AudioPort::importAudioPort(policyPort->asAudioPort());
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policyPort->pickAudioProfile(mSamplingRate, mChannelMask, mFormat);
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}
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void DeviceDescriptor::dump(String8 *dst, int spaces, int index, bool verbose) const
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{
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dst->appendFormat("%*sDevice %d:\n", spaces, "", index + 1);
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if (mId != 0) {
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dst->appendFormat("%*s- id: %2d\n", spaces, "", mId);
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}
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if (!mTagName.empty()) {
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dst->appendFormat("%*s- tag name: %s\n", spaces, "", mTagName.c_str());
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}
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dst->appendFormat("%*s- type: %-48s\n", spaces, "", ::android::toString(mDeviceType).c_str());
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if (mAddress.size() != 0) {
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dst->appendFormat("%*s- address: %-32s\n", spaces, "", mAddress.string());
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}
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std::string portStr;
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AudioPort::dump(&portStr, spaces, verbose);
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dst->append(portStr.c_str());
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}
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std::string DeviceDescriptor::toString() const
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{
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std::stringstream sstream;
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sstream << "type:0x" << std::hex << type() << ",@:" << mAddress;
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return sstream.str();
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}
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std::string DeviceVector::toString() const
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{
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if (isEmpty()) {
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return {"AUDIO_DEVICE_NONE"};
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}
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std::string result = {"{"};
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for (const auto &device : *this) {
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if (device != *begin()) {
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result += ";";
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}
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result += device->toString();
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}
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return result + "}";
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}
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DeviceVector DeviceVector::filter(const DeviceVector &devices) const
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{
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DeviceVector filteredDevices;
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for (const auto &device : *this) {
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if (devices.contains(device)) {
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filteredDevices.add(device);
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}
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}
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return filteredDevices;
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}
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bool DeviceVector::containsAtLeastOne(const DeviceVector &devices) const
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{
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return !filter(devices).isEmpty();
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}
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bool DeviceVector::containsAllDevices(const DeviceVector &devices) const
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{
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return filter(devices).size() == devices.size();
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}
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DeviceVector DeviceVector::filterForEngine() const
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{
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DeviceVector filteredDevices;
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for (const auto &device : *this) {
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if (audio_is_remote_submix_device(device->type()) && device->address() != "0") {
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continue;
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}
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filteredDevices.add(device);
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}
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return filteredDevices;
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}
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void DeviceDescriptor::log() const
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{
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ALOGI("Device id:%d type:0x%08X:%s, addr:%s", mId, mDeviceType,
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::android::toString(mDeviceType).c_str(),
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mAddress.string());
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AudioPort::log(" ");
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}
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} // namespace android
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@ -0,0 +1,239 @@
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/*
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* Copyright (C) 2015 The Android Open Source Project
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||||
*
|
||||
* 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.
|
||||
*/
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||||
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#pragma once
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#include "PolicyAudioPort.h"
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#include <utils/Errors.h>
|
||||
#include <utils/String8.h>
|
||||
#include <utils/SortedVector.h>
|
||||
#include <cutils/config_utils.h>
|
||||
#include <system/audio.h>
|
||||
#include <system/audio_policy.h>
|
||||
|
||||
namespace android {
|
||||
|
||||
class DeviceDescriptor : public AudioPort, public AudioPortConfig,
|
||||
public PolicyAudioPort, public PolicyAudioPortConfig
|
||||
{
|
||||
public:
|
||||
// Note that empty name refers by convention to a generic device.
|
||||
explicit DeviceDescriptor(audio_devices_t type, const std::string &tagName = "");
|
||||
DeviceDescriptor(audio_devices_t type, const FormatVector &encodedFormats,
|
||||
const std::string &tagName = "");
|
||||
|
||||
virtual ~DeviceDescriptor() {}
|
||||
|
||||
virtual void addAudioProfile(const sp<AudioProfile> &profile) {
|
||||
addAudioProfileAndSort(mProfiles, profile);
|
||||
}
|
||||
|
||||
virtual const std::string getTagName() const { return mTagName; }
|
||||
|
||||
audio_devices_t type() const { return mDeviceType; }
|
||||
String8 address() const { return mAddress; }
|
||||
void setAddress(const String8 &address) { mAddress = address; }
|
||||
|
||||
const FormatVector& encodedFormats() const { return mEncodedFormats; }
|
||||
|
||||
audio_format_t getEncodedFormat() { return mCurrentEncodedFormat; }
|
||||
|
||||
void setEncodedFormat(audio_format_t format) {
|
||||
mCurrentEncodedFormat = format;
|
||||
}
|
||||
|
||||
bool equals(const sp<DeviceDescriptor>& other) const;
|
||||
|
||||
bool hasCurrentEncodedFormat() const;
|
||||
|
||||
bool supportsFormat(audio_format_t format);
|
||||
|
||||
// PolicyAudioPortConfig
|
||||
virtual sp<PolicyAudioPort> getPolicyAudioPort() const {
|
||||
return static_cast<PolicyAudioPort*>(const_cast<DeviceDescriptor*>(this));
|
||||
}
|
||||
|
||||
// AudioPortConfig
|
||||
virtual sp<AudioPort> getAudioPort() const {
|
||||
return static_cast<AudioPort*>(const_cast<DeviceDescriptor*>(this));
|
||||
}
|
||||
virtual status_t applyAudioPortConfig(const struct audio_port_config *config,
|
||||
struct audio_port_config *backupConfig = NULL);
|
||||
virtual void toAudioPortConfig(struct audio_port_config *dstConfig,
|
||||
const struct audio_port_config *srcConfig = NULL) const;
|
||||
|
||||
// PolicyAudioPort
|
||||
virtual sp<AudioPort> asAudioPort() const {
|
||||
return static_cast<AudioPort*>(const_cast<DeviceDescriptor*>(this));
|
||||
}
|
||||
virtual void attach(const sp<HwModule>& module);
|
||||
virtual void detach();
|
||||
|
||||
// AudioPort
|
||||
virtual void toAudioPort(struct audio_port *port) const;
|
||||
|
||||
void importAudioPortAndPickAudioProfile(const sp<PolicyAudioPort>& policyPort,
|
||||
bool force = false);
|
||||
|
||||
void dump(String8 *dst, int spaces, int index, bool verbose = true) const;
|
||||
void log() const;
|
||||
std::string toString() const;
|
||||
|
||||
private:
|
||||
String8 mAddress{""};
|
||||
std::string mTagName; // Unique human readable identifier for a device port found in conf file.
|
||||
audio_devices_t mDeviceType;
|
||||
FormatVector mEncodedFormats;
|
||||
audio_format_t mCurrentEncodedFormat;
|
||||
};
|
||||
|
||||
class DeviceVector : public SortedVector<sp<DeviceDescriptor> >
|
||||
{
|
||||
public:
|
||||
DeviceVector() : SortedVector(), mDeviceTypes(AUDIO_DEVICE_NONE) {}
|
||||
explicit DeviceVector(const sp<DeviceDescriptor>& item) : DeviceVector()
|
||||
{
|
||||
add(item);
|
||||
}
|
||||
|
||||
ssize_t add(const sp<DeviceDescriptor>& item);
|
||||
void add(const DeviceVector &devices);
|
||||
ssize_t remove(const sp<DeviceDescriptor>& item);
|
||||
void remove(const DeviceVector &devices);
|
||||
ssize_t indexOf(const sp<DeviceDescriptor>& item) const;
|
||||
|
||||
audio_devices_t types() const { return mDeviceTypes; }
|
||||
|
||||
// If 'address' is empty and 'codec' is AUDIO_FORMAT_DEFAULT, a device with a non-empty
|
||||
// address may be returned if there is no device with the specified 'type' and empty address.
|
||||
sp<DeviceDescriptor> getDevice(audio_devices_t type, const String8 &address,
|
||||
audio_format_t codec) const;
|
||||
DeviceVector getDevicesFromTypeMask(audio_devices_t types) const;
|
||||
|
||||
/**
|
||||
* @brief getDeviceFromId
|
||||
* @param id of the DeviceDescriptor to seach (aka Port handle).
|
||||
* @return DeviceDescriptor associated to port id if found, nullptr otherwise. If the id is
|
||||
* equal to AUDIO_PORT_HANDLE_NONE, it also returns a nullptr.
|
||||
*/
|
||||
sp<DeviceDescriptor> getDeviceFromId(audio_port_handle_t id) const;
|
||||
sp<DeviceDescriptor> getDeviceFromTagName(const std::string &tagName) const;
|
||||
DeviceVector getDevicesFromHwModule(audio_module_handle_t moduleHandle) const;
|
||||
audio_devices_t getDeviceTypesFromHwModule(audio_module_handle_t moduleHandle) const;
|
||||
|
||||
DeviceVector getFirstDevicesFromTypes(std::vector<audio_devices_t> orderedTypes) const;
|
||||
sp<DeviceDescriptor> getFirstExistingDevice(std::vector<audio_devices_t> orderedTypes) const;
|
||||
|
||||
// If there are devices with the given type and the devices to add is not empty,
|
||||
// remove all the devices with the given type and add all the devices to add.
|
||||
void replaceDevicesByType(audio_devices_t typeToRemove, const DeviceVector &devicesToAdd);
|
||||
|
||||
bool contains(const sp<DeviceDescriptor>& item) const { return indexOf(item) >= 0; }
|
||||
|
||||
/**
|
||||
* @brief containsAtLeastOne
|
||||
* @param devices vector of devices to check against.
|
||||
* @return true if the DeviceVector contains at list one of the devices from the given vector.
|
||||
*/
|
||||
bool containsAtLeastOne(const DeviceVector &devices) const;
|
||||
|
||||
/**
|
||||
* @brief containsAllDevices
|
||||
* @param devices vector of devices to check against.
|
||||
* @return true if the DeviceVector contains all the devices from the given vector
|
||||
*/
|
||||
bool containsAllDevices(const DeviceVector &devices) const;
|
||||
|
||||
/**
|
||||
* @brief filter the devices supported by this collection against another collection
|
||||
* @param devices to filter against
|
||||
* @return a filtered DeviceVector
|
||||
*/
|
||||
DeviceVector filter(const DeviceVector &devices) const;
|
||||
|
||||
/**
|
||||
* @brief filter the devices supported by this collection before sending
|
||||
* then to the Engine via AudioPolicyManagerObserver interface
|
||||
* @return a filtered DeviceVector
|
||||
*/
|
||||
DeviceVector filterForEngine() const;
|
||||
|
||||
/**
|
||||
* @brief merge two vectors. As SortedVector Implementation is buggy (it does not check the size
|
||||
* of the destination vector, only of the source, it provides a safe implementation
|
||||
* @param devices source device vector to merge with
|
||||
* @return size of the merged vector.
|
||||
*/
|
||||
ssize_t merge(const DeviceVector &devices)
|
||||
{
|
||||
if (isEmpty()) {
|
||||
add(devices);
|
||||
return size();
|
||||
}
|
||||
return SortedVector::merge(devices);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief operator == DeviceVector are equals if all the DeviceDescriptor can be found (aka
|
||||
* DeviceDescriptor with same type and address) and the vector has same size.
|
||||
* @param right DeviceVector to compare to.
|
||||
* @return true if right contains the same device and has the same size.
|
||||
*/
|
||||
bool operator==(const DeviceVector &right) const
|
||||
{
|
||||
if (size() != right.size()) {
|
||||
return false;
|
||||
}
|
||||
for (const auto &device : *this) {
|
||||
if (right.indexOf(device) < 0) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
bool operator!=(const DeviceVector &right) const
|
||||
{
|
||||
return !operator==(right);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief getFirstValidAddress
|
||||
* @return the first valid address of a list of device, "" if no device with valid address
|
||||
* found.
|
||||
* This helper function helps maintaining compatibility with legacy where we used to have a
|
||||
* devices mask and an address.
|
||||
*/
|
||||
String8 getFirstValidAddress() const
|
||||
{
|
||||
for (const auto &device : *this) {
|
||||
if (device->address() != "") {
|
||||
return device->address();
|
||||
}
|
||||
}
|
||||
return String8("");
|
||||
}
|
||||
|
||||
std::string toString() const;
|
||||
|
||||
void dump(String8 *dst, const String8 &tag, int spaces = 0, bool verbose = true) const;
|
||||
|
||||
private:
|
||||
void refreshTypes();
|
||||
audio_devices_t mDeviceTypes;
|
||||
};
|
||||
|
||||
} // namespace android
|
||||
Loading…
Reference in new issue