| /* |
| * Copyright (C) 2015 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 "APM::Devices" |
| //#define LOG_NDEBUG 0 |
| |
| #include "DeviceDescriptor.h" |
| #include "AudioGain.h" |
| #include "HwModule.h" |
| #include "ConfigParsingUtils.h" |
| |
| namespace android { |
| |
| DeviceDescriptor::DeviceDescriptor(audio_devices_t type) : |
| AudioPort(String8(""), AUDIO_PORT_TYPE_DEVICE, |
| audio_is_output_device(type) ? AUDIO_PORT_ROLE_SINK : |
| AUDIO_PORT_ROLE_SOURCE), |
| mTag(""), mAddress(""), mDeviceType(type), mId(0) |
| { |
| |
| } |
| |
| audio_port_handle_t DeviceDescriptor::getId() const |
| { |
| return mId; |
| } |
| |
| void DeviceDescriptor::attach(const sp<HwModule>& module) |
| { |
| AudioPort::attach(module); |
| mId = getNextUniqueId(); |
| } |
| |
| bool DeviceDescriptor::equals(const sp<DeviceDescriptor>& other) const |
| { |
| // Devices are considered equal if they: |
| // - are of the same type (a device type cannot be AUDIO_DEVICE_NONE) |
| // - have the same address or one device does not specify the address |
| // - have the same channel mask or one device does not specify the channel mask |
| if (other == 0) { |
| return false; |
| } |
| return (mDeviceType == other->mDeviceType) && |
| (mAddress == "" || other->mAddress == "" || mAddress == other->mAddress) && |
| (mChannelMask == 0 || other->mChannelMask == 0 || |
| mChannelMask == other->mChannelMask); |
| } |
| |
| void DeviceDescriptor::loadGains(cnode *root) |
| { |
| AudioPort::loadGains(root); |
| if (mGains.size() > 0) { |
| mGains[0]->getDefaultConfig(&mGain); |
| } |
| } |
| |
| void DeviceVector::refreshTypes() |
| { |
| mDeviceTypes = AUDIO_DEVICE_NONE; |
| for(size_t i = 0; i < size(); i++) { |
| mDeviceTypes |= itemAt(i)->type(); |
| } |
| ALOGV("DeviceVector::refreshTypes() mDeviceTypes %08x", mDeviceTypes); |
| } |
| |
| ssize_t DeviceVector::indexOf(const sp<DeviceDescriptor>& item) const |
| { |
| for(size_t i = 0; i < size(); i++) { |
| if (item->equals(itemAt(i))) { |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| ssize_t DeviceVector::add(const sp<DeviceDescriptor>& item) |
| { |
| ssize_t ret = indexOf(item); |
| |
| if (ret < 0) { |
| ret = SortedVector::add(item); |
| if (ret >= 0) { |
| refreshTypes(); |
| } |
| } else { |
| ALOGW("DeviceVector::add device %08x already in", item->type()); |
| ret = -1; |
| } |
| return ret; |
| } |
| |
| ssize_t DeviceVector::remove(const sp<DeviceDescriptor>& item) |
| { |
| size_t i; |
| ssize_t ret = indexOf(item); |
| |
| if (ret < 0) { |
| ALOGW("DeviceVector::remove device %08x not in", item->type()); |
| } else { |
| ret = SortedVector::removeAt(ret); |
| if (ret >= 0) { |
| refreshTypes(); |
| } |
| } |
| return ret; |
| } |
| |
| audio_devices_t DeviceVector::getDevicesFromHwModule(audio_module_handle_t moduleHandle) const |
| { |
| audio_devices_t devices = AUDIO_DEVICE_NONE; |
| for (size_t i = 0; i < size(); i++) { |
| if (itemAt(i)->getModuleHandle() == moduleHandle) { |
| devices |= itemAt(i)->type(); |
| } |
| } |
| return devices; |
| } |
| |
| void DeviceVector::loadDevicesFromType(audio_devices_t types) |
| { |
| DeviceVector deviceList; |
| |
| uint32_t role_bit = AUDIO_DEVICE_BIT_IN & types; |
| types &= ~role_bit; |
| |
| while (types) { |
| uint32_t i = 31 - __builtin_clz(types); |
| uint32_t type = 1 << i; |
| types &= ~type; |
| add(new DeviceDescriptor(type | role_bit)); |
| } |
| } |
| |
| void DeviceVector::loadDevicesFromTag(char *tag, |
| const DeviceVector& declaredDevices) |
| { |
| char *devTag = strtok(tag, "|"); |
| while (devTag != NULL) { |
| if (strlen(devTag) != 0) { |
| audio_devices_t type = ConfigParsingUtils::stringToEnum(sDeviceTypeToEnumTable, |
| ARRAY_SIZE(sDeviceTypeToEnumTable), |
| devTag); |
| if (type != AUDIO_DEVICE_NONE) { |
| sp<DeviceDescriptor> dev = new DeviceDescriptor(type); |
| if (type == AUDIO_DEVICE_IN_REMOTE_SUBMIX || |
| type == AUDIO_DEVICE_OUT_REMOTE_SUBMIX ) { |
| dev->mAddress = String8("0"); |
| } |
| add(dev); |
| } else { |
| sp<DeviceDescriptor> deviceDesc = |
| declaredDevices.getDeviceFromTag(String8(devTag)); |
| if (deviceDesc != 0) { |
| add(deviceDesc); |
| } |
| } |
| } |
| devTag = strtok(NULL, "|"); |
| } |
| } |
| |
| sp<DeviceDescriptor> DeviceVector::getDevice(audio_devices_t type, const String8& address) const |
| { |
| sp<DeviceDescriptor> device; |
| for (size_t i = 0; i < size(); i++) { |
| if (itemAt(i)->type() == type) { |
| if (address == "" || itemAt(i)->mAddress == address) { |
| device = itemAt(i); |
| if (itemAt(i)->mAddress == address) { |
| break; |
| } |
| } |
| } |
| } |
| ALOGV("DeviceVector::getDevice() for type %08x address %s found %p", |
| type, address.string(), device.get()); |
| return device; |
| } |
| |
| sp<DeviceDescriptor> DeviceVector::getDeviceFromId(audio_port_handle_t id) const |
| { |
| sp<DeviceDescriptor> device; |
| for (size_t i = 0; i < size(); i++) { |
| if (itemAt(i)->getId() == id) { |
| device = itemAt(i); |
| break; |
| } |
| } |
| return device; |
| } |
| |
| DeviceVector DeviceVector::getDevicesFromType(audio_devices_t type) const |
| { |
| DeviceVector devices; |
| bool isOutput = audio_is_output_devices(type); |
| type &= ~AUDIO_DEVICE_BIT_IN; |
| for (size_t i = 0; (i < size()) && (type != AUDIO_DEVICE_NONE); i++) { |
| bool curIsOutput = audio_is_output_devices(itemAt(i)->mDeviceType); |
| audio_devices_t curType = itemAt(i)->mDeviceType & ~AUDIO_DEVICE_BIT_IN; |
| if ((isOutput == curIsOutput) && ((type & curType) != 0)) { |
| devices.add(itemAt(i)); |
| type &= ~curType; |
| ALOGV("DeviceVector::getDevicesFromType() for type %x found %p", |
| itemAt(i)->type(), itemAt(i).get()); |
| } |
| } |
| return devices; |
| } |
| |
| DeviceVector DeviceVector::getDevicesFromTypeAddr( |
| audio_devices_t type, const String8& address) const |
| { |
| DeviceVector devices; |
| for (size_t i = 0; i < size(); i++) { |
| if (itemAt(i)->type() == type) { |
| if (itemAt(i)->mAddress == address) { |
| devices.add(itemAt(i)); |
| } |
| } |
| } |
| return devices; |
| } |
| |
| sp<DeviceDescriptor> DeviceVector::getDeviceFromTag(const String8& tag) const |
| { |
| sp<DeviceDescriptor> device; |
| for (size_t i = 0; i < size(); i++) { |
| if (itemAt(i)->mTag == tag) { |
| device = itemAt(i); |
| break; |
| } |
| } |
| return device; |
| } |
| |
| |
| status_t DeviceVector::dump(int fd, const String8 &direction) const |
| { |
| const size_t SIZE = 256; |
| char buffer[SIZE]; |
| |
| snprintf(buffer, SIZE, "\n Available %s devices:\n", direction.string()); |
| write(fd, buffer, strlen(buffer)); |
| for (size_t i = 0; i < size(); i++) { |
| itemAt(i)->dump(fd, 2, i); |
| } |
| return NO_ERROR; |
| } |
| |
| audio_policy_dev_state_t DeviceVector::getDeviceConnectionState(const sp<DeviceDescriptor> &devDesc) const |
| { |
| ssize_t index = indexOf(devDesc); |
| return index >= 0 ? AUDIO_POLICY_DEVICE_STATE_AVAILABLE : AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE; |
| } |
| |
| void DeviceDescriptor::toAudioPortConfig(struct audio_port_config *dstConfig, |
| const struct audio_port_config *srcConfig) const |
| { |
| dstConfig->config_mask = AUDIO_PORT_CONFIG_CHANNEL_MASK|AUDIO_PORT_CONFIG_GAIN; |
| if (srcConfig != NULL) { |
| dstConfig->config_mask |= srcConfig->config_mask; |
| } |
| |
| AudioPortConfig::toAudioPortConfig(dstConfig, srcConfig); |
| |
| dstConfig->id = mId; |
| dstConfig->role = audio_is_output_device(mDeviceType) ? |
| AUDIO_PORT_ROLE_SINK : AUDIO_PORT_ROLE_SOURCE; |
| dstConfig->type = AUDIO_PORT_TYPE_DEVICE; |
| dstConfig->ext.device.type = mDeviceType; |
| |
| //TODO Understand why this test is necessary. i.e. why at boot time does it crash |
| // without the test? |
| // This has been demonstrated to NOT be true (at start up) |
| // ALOG_ASSERT(mModule != NULL); |
| dstConfig->ext.device.hw_module = mModule != 0 ? mModule->mHandle : AUDIO_IO_HANDLE_NONE; |
| strncpy(dstConfig->ext.device.address, mAddress.string(), AUDIO_DEVICE_MAX_ADDRESS_LEN); |
| } |
| |
| void DeviceDescriptor::toAudioPort(struct audio_port *port) const |
| { |
| ALOGV("DeviceDescriptor::toAudioPort() handle %d type %x", mId, mDeviceType); |
| AudioPort::toAudioPort(port); |
| port->id = mId; |
| toAudioPortConfig(&port->active_config); |
| port->ext.device.type = mDeviceType; |
| port->ext.device.hw_module = mModule->mHandle; |
| strncpy(port->ext.device.address, mAddress.string(), AUDIO_DEVICE_MAX_ADDRESS_LEN); |
| } |
| |
| void DeviceDescriptor::importAudioPort(const sp<AudioPort>& port) { |
| AudioPort::importAudioPort(port); |
| mSamplingRate = port->pickSamplingRate(); |
| mFormat = port->pickFormat(); |
| mChannelMask = port->pickChannelMask(); |
| } |
| |
| status_t DeviceDescriptor::dump(int fd, int spaces, int index) const |
| { |
| const size_t SIZE = 256; |
| char buffer[SIZE]; |
| String8 result; |
| |
| snprintf(buffer, SIZE, "%*sDevice %d:\n", spaces, "", index+1); |
| result.append(buffer); |
| if (mId != 0) { |
| snprintf(buffer, SIZE, "%*s- id: %2d\n", spaces, "", mId); |
| result.append(buffer); |
| } |
| snprintf(buffer, SIZE, "%*s- type: %-48s\n", spaces, "", |
| ConfigParsingUtils::enumToString(sDeviceTypeToEnumTable, |
| ARRAY_SIZE(sDeviceTypeToEnumTable), |
| mDeviceType)); |
| result.append(buffer); |
| if (mAddress.size() != 0) { |
| snprintf(buffer, SIZE, "%*s- address: %-32s\n", spaces, "", mAddress.string()); |
| result.append(buffer); |
| } |
| write(fd, result.string(), result.size()); |
| AudioPort::dump(fd, spaces); |
| |
| return NO_ERROR; |
| } |
| |
| void DeviceDescriptor::log() const |
| { |
| ALOGI("Device id:%d type:0x%X:%s, addr:%s", |
| mId, |
| mDeviceType, |
| ConfigParsingUtils::enumToString( |
| sDeviceNameToEnumTable, ARRAY_SIZE(sDeviceNameToEnumTable), mDeviceType), |
| mAddress.string()); |
| |
| AudioPort::log(" "); |
| } |
| |
| }; // namespace android |
