blob: bc8621869b22318f068fdd7ab5195e307f5b7968 [file] [log] [blame]
/*
* Copyright (C) 2009 The Android Open Source Project
* Copyright (c) 2009-2013, The Linux Foundation. All rights reserved.
* Not a Contribution, Apache license notifications and license are retained
* for attribution purposes only.
*
* 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 "AudioPolicyManager7x30"
//#define LOG_NDDEBUG 0
//#define VERY_VERBOSE_LOGGING
#ifdef VERY_VERBOSE_LOGGING
#define ALOGVV ALOGV
#else
#define ALOGVV(a...) do { } while(0)
#endif
// A device mask for all audio input devices that are considered "virtual" when evaluating
// active inputs in getActiveInput()
#define APM_AUDIO_IN_DEVICE_VIRTUAL_ALL AUDIO_DEVICE_IN_REMOTE_SUBMIX
#include <utils/Log.h>
#include "AudioPolicyManager.h"
#include <hardware/audio_effect.h>
#include <media/mediarecorder.h>
#include <hardware/audio.h>
#include <math.h>
#include <hardware_legacy/audio_policy_conf.h>
namespace android_audio_legacy {
// ----------------------------------------------------------------------------
// AudioPolicyManager for msm7x30 platform
// ----------------------------------------------------------------------------
audio_devices_t AudioPolicyManager::getDeviceForStrategy(routing_strategy strategy, bool fromCache)
{
uint32_t device = 0;
if (fromCache) {
ALOGV("getDeviceForStrategy() from cache strategy %d, device %x",
strategy, mDeviceForStrategy[strategy]);
return mDeviceForStrategy[strategy];
}
switch (strategy) {
case STRATEGY_SONIFICATION_RESPECTFUL:
if (isInCall()) {
device = getDeviceForStrategy(STRATEGY_SONIFICATION, false /*fromCache*/);
} else if (isStreamActive(AudioSystem::MUSIC, SONIFICATION_RESPECTFUL_AFTER_MUSIC_DELAY)) {
// while media is playing (or has recently played), use the same device
device = getDeviceForStrategy(STRATEGY_MEDIA, false /*fromCache*/);
} else {
// when media is not playing anymore, fall back on the sonification behavior
device = getDeviceForStrategy(STRATEGY_SONIFICATION, false /*fromCache*/);
}
break;
case STRATEGY_DTMF:
if (!isInCall()) {
// when off call, DTMF strategy follows the same rules as MEDIA strategy
device = getDeviceForStrategy(STRATEGY_MEDIA, false /*fromCache*/);
break;
}
// when in call, DTMF and PHONE strategies follow the same rules
// FALL THROUGH
case STRATEGY_PHONE:
// for phone strategy, we first consider the forced use and then the available devices by order
// of priority
switch (mForceUse[AudioSystem::FOR_COMMUNICATION]) {
case AudioSystem::FORCE_BT_SCO:
if (!isInCall() || strategy != STRATEGY_DTMF) {
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_CARKIT;
if (device) break;
}
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_HEADSET;
if (device) break;
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_SCO;
if (device) break;
// if SCO device is requested but no SCO device is available, fall back to default case
// FALL THROUGH
default: // FORCE_NONE
// when not in a phone call, phone strategy should route STREAM_VOICE_CALL to A2DP
if (mHasA2dp && !isInCall() &&
(mForceUse[AudioSystem::FOR_MEDIA] != AudioSystem::FORCE_NO_BT_A2DP) &&
(getA2dpOutput() != 0) && !mA2dpSuspended) {
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP;
if (device) break;
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES;
if (device) break;
}
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADPHONE;
if (device) break;
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADSET;
if (device) break;
device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_USB_ACCESSORY;
if (device) break;
device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_USB_DEVICE;
if (device) break;
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_DGTL_DOCK_HEADSET;
if (device) break;
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_AUX_DIGITAL;
if (device) break;
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_ANLG_DOCK_HEADSET;
if (device) break;
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_EARPIECE;
if (device) break;
device = mDefaultOutputDevice;
if (device == 0) {
ALOGE("getDeviceForStrategy() no device found for STRATEGY_PHONE");
}
break;
case AudioSystem::FORCE_SPEAKER:
// when not in a phone call, phone strategy should route STREAM_VOICE_CALL to
// A2DP speaker when forcing to speaker output
if (mHasA2dp && !isInCall() &&
(mForceUse[AudioSystem::FOR_MEDIA] != AudioSystem::FORCE_NO_BT_A2DP) &&
(getA2dpOutput() != 0) && !mA2dpSuspended) {
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER;
if (device) break;
}
device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_USB_ACCESSORY;
if (device) break;
device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_USB_DEVICE;
if (device) break;
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_DGTL_DOCK_HEADSET;
if (device) break;
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_AUX_DIGITAL;
if (device) break;
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_ANLG_DOCK_HEADSET;
if (device) break;
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_SPEAKER;
if (device) break;
device = mDefaultOutputDevice;
if (device == 0) {
ALOGE("getDeviceForStrategy() no device found for STRATEGY_PHONE, FORCE_SPEAKER");
}
break;
}
#ifdef QCOM_FM_ENABLED
if (mAvailableOutputDevices & AudioSystem::DEVICE_OUT_FM) {
device |= AudioSystem::DEVICE_OUT_FM;
if (mForceUse[AudioSystem::FOR_MEDIA] == AudioSystem::FORCE_SPEAKER) {
device &= ~(AudioSystem::DEVICE_OUT_WIRED_HEADSET);
device |= AudioSystem::DEVICE_OUT_SPEAKER;
}
}
#endif
break;
case STRATEGY_SONIFICATION:
// If incall, just select the STRATEGY_PHONE device: The rest of the behavior is handled by
// handleIncallSonification().
if (isInCall()) {
device = getDeviceForStrategy(STRATEGY_PHONE, false /*fromCache*/);
break;
}
// FALL THROUGH
case STRATEGY_ENFORCED_AUDIBLE:
// strategy STRATEGY_ENFORCED_AUDIBLE uses same routing policy as STRATEGY_SONIFICATION
// except:
// - when in call where it doesn't default to STRATEGY_PHONE behavior
// - in countries where not enforced in which case it follows STRATEGY_MEDIA
if (strategy == STRATEGY_SONIFICATION ||
!mStreams[AUDIO_STREAM_ENFORCED_AUDIBLE].mCanBeMuted) {
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_SPEAKER;
if (device == 0) {
ALOGE("getDeviceForStrategy() speaker device not found for STRATEGY_SONIFICATION");
}
}
// The second device used for sonification is the same as the device used by media strategy
// FALL THROUGH
case STRATEGY_MEDIA: {
//To route FM stream to speaker when headset is connected, a new switch case is added.
//case AudioSystem::FORCE_SPEAKER for STRATEGY_MEDIA will come only when we need to route
//FM stream to speaker.
switch (mForceUse[AudioSystem::FOR_MEDIA]) {
default:{
uint32_t device2 = 0;
if ((mHasA2dp && (mForceUse[AudioSystem::FOR_MEDIA] != AudioSystem::FORCE_NO_BT_A2DP) &&
(getA2dpOutput() != 0) && !mA2dpSuspended )) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP;
if (device2 == 0) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES;
}
if (device2 == 0) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER;
}
}
if (device2 == 0) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADPHONE;
}
if (device2 == 0) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADSET;
}
#ifdef QCOM_FM_ENABLED
if (device2 == 0) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_FM_TX;
}
#endif
if (device2 == 0) {
device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_USB_ACCESSORY;
}
if (device2 == 0) {
device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_USB_DEVICE;
}
if (device2 == 0) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_DGTL_DOCK_HEADSET;
}
if (device2 == 0) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_AUX_DIGITAL;
}
if (device2 == 0) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_ANLG_DOCK_HEADSET;
}
if (device2 == 0) {
device2 = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_SPEAKER;
}
// device is DEVICE_OUT_SPEAKER if we come from case STRATEGY_SONIFICATION or
// STRATEGY_ENFORCED_AUDIBLE, 0 otherwise
device |= device2;
if (device) break;
device = mDefaultOutputDevice;
}
break;
case AudioSystem::FORCE_SPEAKER:
device = mAvailableOutputDevices & AudioSystem::DEVICE_OUT_SPEAKER;
break;
}
#ifdef QCOM_FM_ENABLED
if (mAvailableOutputDevices & AudioSystem::DEVICE_OUT_FM) {
device |= AudioSystem::DEVICE_OUT_FM;
}
#endif
// Do not play media stream if in call and the requested device would change the hardware
// output routing
if (mPhoneState == AudioSystem::MODE_IN_CALL &&
!AudioSystem::isA2dpDevice((AudioSystem::audio_devices)device) &&
device != getDeviceForStrategy(STRATEGY_PHONE)) {
device = getDeviceForStrategy(STRATEGY_PHONE);
ALOGV("getDeviceForStrategy() incompatible media and phone devices");
}
} break;
default:
ALOGW("getDeviceForStrategy() unknown strategy: %d", strategy);
break;
}
ALOGVV("getDeviceForStrategy() strategy %d, device %x", strategy, device);
return (audio_devices_t)device;
}
status_t AudioPolicyManager::setDeviceConnectionState(audio_devices_t device,
AudioSystem::device_connection_state state,
const char *device_address)
{
SortedVector <audio_io_handle_t> outputs;
ALOGV("setDeviceConnectionState() device: %x, state %d, address %s", device, state, device_address);
// connect/disconnect only 1 device at a time
if (!audio_is_output_device(device) && !audio_is_input_device(device)) return BAD_VALUE;
if (strlen(device_address) >= MAX_DEVICE_ADDRESS_LEN) {
ALOGE("setDeviceConnectionState() invalid address: %s", device_address);
return BAD_VALUE;
}
// handle output devices
if (audio_is_output_device(device)) {
if (!mHasA2dp && audio_is_a2dp_device(device)) {
ALOGE("setDeviceConnectionState() invalid A2DP device: %x", device);
return BAD_VALUE;
}
if (!mHasUsb && audio_is_usb_device(device)) {
ALOGE("setDeviceConnectionState() invalid USB audio device: %x", device);
return BAD_VALUE;
}
if (!mHasRemoteSubmix && audio_is_remote_submix_device((audio_devices_t)device)) {
ALOGE("setDeviceConnectionState() invalid remote submix audio device: %x", device);
return BAD_VALUE;
}
// save a copy of the opened output descriptors before any output is opened or closed
// by checkOutputsForDevice(). This will be needed by checkOutputForAllStrategies()
mPreviousOutputs = mOutputs;
switch (state)
{
// handle output device connection
case AudioSystem::DEVICE_STATE_AVAILABLE:
if (mAvailableOutputDevices & device) {
ALOGW("setDeviceConnectionState() device already connected: %x", device);
return INVALID_OPERATION;
}
ALOGV("setDeviceConnectionState() connecting device %x", device);
if (checkOutputsForDevice(device, state, outputs) != NO_ERROR) {
return INVALID_OPERATION;
}
ALOGV("setDeviceConnectionState() checkOutputsForDevice() returned %d outputs",
outputs.size());
// register new device as available
mAvailableOutputDevices = (audio_devices_t)(mAvailableOutputDevices | device);
ALOGV("setDeviceConnectionState() connecting device %x", mAvailableOutputDevices);
if (!outputs.isEmpty()) {
String8 paramStr;
if (mHasA2dp && audio_is_a2dp_device(device)) {
// handle A2DP device connection
AudioParameter param;
param.add(String8(AUDIO_PARAMETER_A2DP_SINK_ADDRESS), String8(device_address));
paramStr = param.toString();
mA2dpDeviceAddress = String8(device_address, MAX_DEVICE_ADDRESS_LEN);
mA2dpSuspended = false;
} else if (audio_is_bluetooth_sco_device(device)) {
// handle SCO device connection
mScoDeviceAddress = String8(device_address, MAX_DEVICE_ADDRESS_LEN);
} else if (mHasUsb && audio_is_usb_device(device)) {
// handle USB device connection
mUsbCardAndDevice = String8(device_address, MAX_DEVICE_ADDRESS_LEN);
paramStr = mUsbCardAndDevice;
}
if (!paramStr.isEmpty()) {
for (size_t i = 0; i < outputs.size(); i++) {
mpClientInterface->setParameters(outputs[i], paramStr);
}
}
}
break;
// handle output device disconnection
case AudioSystem::DEVICE_STATE_UNAVAILABLE: {
if (!(mAvailableOutputDevices & device)) {
ALOGW("setDeviceConnectionState() device not connected: %x", device);
return INVALID_OPERATION;
}
ALOGV("setDeviceConnectionState() disconnecting device %x", device);
// remove device from available output devices
mAvailableOutputDevices = (audio_devices_t)(mAvailableOutputDevices & ~device);
checkOutputsForDevice(device, state, outputs);
if (mHasA2dp && audio_is_a2dp_device(device)) {
// handle A2DP device disconnection
mA2dpDeviceAddress = "";
mA2dpSuspended = false;
} else if (audio_is_bluetooth_sco_device(device)) {
// handle SCO device disconnection
mScoDeviceAddress = "";
} else if (mHasUsb && audio_is_usb_device(device)) {
// handle USB device disconnection
mUsbCardAndDevice = "";
}
} break;
default:
ALOGE("setDeviceConnectionState() invalid state: %x", state);
return BAD_VALUE;
}
#ifdef QCOM_FM_ENABLED
audio_devices_t NewDevice = AudioPolicyManagerBase::getNewDevice(mPrimaryOutput, false /*fromCache*/);
if (device == AudioSystem::DEVICE_OUT_FM) {
if (state == AudioSystem::DEVICE_STATE_AVAILABLE) {
mOutputs.valueFor(mPrimaryOutput)->changeRefCount(AudioSystem::FM, 1);
}
else {
mOutputs.valueFor(mPrimaryOutput)->changeRefCount(AudioSystem::FM, -1);
}
}
#endif
checkA2dpSuspend();
AudioPolicyManagerBase::checkOutputForAllStrategies();
// outputs must be closed after checkOutputForAllStrategies() is executed
if (!outputs.isEmpty()) {
for (size_t i = 0; i < outputs.size(); i++) {
// close unused outputs after device disconnection or direct outputs that have been
if (state == AudioSystem::DEVICE_STATE_UNAVAILABLE){
closeOutput(outputs[i]);
}
}
}
updateDevicesAndOutputs();
for (size_t i = 0; i < mOutputs.size(); i++) {
setOutputDevice(mOutputs.keyAt(i),
getNewDevice(mOutputs.keyAt(i), true /*fromCache*/),
true,
0);
}
if (device == AUDIO_DEVICE_OUT_WIRED_HEADSET) {
device = AUDIO_DEVICE_IN_WIRED_HEADSET;
} else if (device == AUDIO_DEVICE_OUT_BLUETOOTH_SCO ||
device == AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET ||
device == AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT) {
device = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET;
} else {
return NO_ERROR;
}
}
// handle input devices
if (audio_is_input_device(device)) {
switch (state)
{
// handle input device connection
case AudioSystem::DEVICE_STATE_AVAILABLE: {
if (mAvailableInputDevices & device) {
ALOGW("setDeviceConnectionState() device already connected: %d", device);
return INVALID_OPERATION;
}
mAvailableInputDevices = mAvailableInputDevices | (device & ~AUDIO_DEVICE_BIT_IN);
}
break;
// handle input device disconnection
case AudioSystem::DEVICE_STATE_UNAVAILABLE: {
if (!(mAvailableInputDevices & device)) {
ALOGW("setDeviceConnectionState() device not connected: %d", device);
return INVALID_OPERATION;
}
mAvailableInputDevices = (audio_devices_t) (mAvailableInputDevices & ~device);
} break;
default:
ALOGE("setDeviceConnectionState() invalid state: %x", state);
return BAD_VALUE;
}
audio_io_handle_t activeInput = getActiveInput();
if (activeInput != 0) {
AudioInputDescriptor *inputDesc = mInputs.valueFor(activeInput);
audio_devices_t newDevice = getDeviceForInputSource(inputDesc->mInputSource);
if ((newDevice != AUDIO_DEVICE_NONE) && (newDevice != inputDesc->mDevice)) {
ALOGV("setDeviceConnectionState() changing device from %x to %x for input %d",
inputDesc->mDevice, newDevice, activeInput);
inputDesc->mDevice = newDevice;
AudioParameter param = AudioParameter();
param.addInt(String8(AudioParameter::keyRouting), (int)newDevice);
mpClientInterface->setParameters(activeInput, param.toString());
}
}
return NO_ERROR;
}
ALOGW("setDeviceConnectionState() invalid device: %x", device);
return BAD_VALUE;
}
AudioSystem::device_connection_state AudioPolicyManager::getDeviceConnectionState(audio_devices_t device,
const char *device_address)
{
AudioSystem::device_connection_state state = AudioSystem::DEVICE_STATE_UNAVAILABLE;
String8 address = String8(device_address);
if (audio_is_output_device(device)) {
if (device & mAvailableOutputDevices) {
if (audio_is_a2dp_device(device) &&
(!mHasA2dp || (address != "" && mA2dpDeviceAddress != address))) {
return state;
}
if (audio_is_bluetooth_sco_device(device) &&
address != "" && mScoDeviceAddress != address) {
return state;
}
if (audio_is_usb_device(device) &&
(!mHasUsb || (address != "" && mUsbCardAndDevice != address))) {
ALOGE("getDeviceConnectionState() invalid device: %x", device);
return state;
}
if (audio_is_remote_submix_device((audio_devices_t)device) && !mHasRemoteSubmix) {
return state;
}
state = AudioSystem::DEVICE_STATE_AVAILABLE;
}
} else if (audio_is_input_device(device)) {
if (device & mAvailableInputDevices) {
state = AudioSystem::DEVICE_STATE_AVAILABLE;
}
}
return state;
}
void AudioPolicyManager::setForceUse(AudioSystem::force_use usage, AudioSystem::forced_config config)
{
ALOGV("setForceUse() usage %d, config %d, mPhoneState %d", usage, config, mPhoneState);
bool forceVolumeReeval = false;
switch(usage) {
case AudioSystem::FOR_COMMUNICATION:
if (config != AudioSystem::FORCE_SPEAKER && config != AudioSystem::FORCE_BT_SCO &&
config != AudioSystem::FORCE_NONE) {
ALOGW("setForceUse() invalid config %d for FOR_COMMUNICATION", config);
return;
}
forceVolumeReeval = true;
mForceUse[usage] = config;
break;
case AudioSystem::FOR_MEDIA:
if (config != AudioSystem::FORCE_HEADPHONES && config != AudioSystem::FORCE_BT_A2DP &&
config != AudioSystem::FORCE_WIRED_ACCESSORY &&
config != AudioSystem::FORCE_ANALOG_DOCK &&
config != AudioSystem::FORCE_DIGITAL_DOCK && config != AudioSystem::FORCE_NONE &&
config != AudioSystem::FORCE_NO_BT_A2DP) {
ALOGW("setForceUse() invalid config %d for FOR_MEDIA", config);
return;
}
mForceUse[usage] = config;
break;
case AudioSystem::FOR_RECORD:
if (config != AudioSystem::FORCE_BT_SCO && config != AudioSystem::FORCE_WIRED_ACCESSORY &&
config != AudioSystem::FORCE_NONE) {
ALOGW("setForceUse() invalid config %d for FOR_RECORD", config);
return;
}
mForceUse[usage] = config;
break;
case AudioSystem::FOR_DOCK:
if (config != AudioSystem::FORCE_NONE && config != AudioSystem::FORCE_BT_CAR_DOCK &&
config != AudioSystem::FORCE_BT_DESK_DOCK &&
config != AudioSystem::FORCE_WIRED_ACCESSORY &&
config != AudioSystem::FORCE_ANALOG_DOCK &&
config != AudioSystem::FORCE_DIGITAL_DOCK) {
ALOGW("setForceUse() invalid config %d for FOR_DOCK", config);
}
forceVolumeReeval = true;
mForceUse[usage] = config;
break;
case AudioSystem::FOR_SYSTEM:
if (config != AudioSystem::FORCE_NONE &&
config != AudioSystem::FORCE_SYSTEM_ENFORCED) {
ALOGW("setForceUse() invalid config %d for FOR_SYSTEM", config);
}
forceVolumeReeval = true;
mForceUse[usage] = config;
break;
default:
ALOGW("setForceUse() invalid usage %d", usage);
break;
}
// check for device and output changes triggered by new force usage
checkA2dpSuspend();
checkOutputForAllStrategies();
updateDevicesAndOutputs();
for (size_t i = 0; i < mOutputs.size(); i++) {
audio_io_handle_t output = mOutputs.keyAt(i);
audio_devices_t newDevice = getNewDevice(output, true /*fromCache*/);
setOutputDevice(output, newDevice, (newDevice != AUDIO_DEVICE_NONE));
if (forceVolumeReeval && (newDevice != AUDIO_DEVICE_NONE)) {
applyStreamVolumes(output, newDevice, 0, true);
}
}
audio_io_handle_t activeInput = getActiveInput();
if (activeInput != 0) {
AudioInputDescriptor *inputDesc = mInputs.valueFor(activeInput);
audio_devices_t newDevice = getDeviceForInputSource(inputDesc->mInputSource);
if ((newDevice != AUDIO_DEVICE_NONE) && (newDevice != inputDesc->mDevice)) {
ALOGV("setForceUse() changing device from %x to %x for input %d",
inputDesc->mDevice, newDevice, activeInput);
inputDesc->mDevice = newDevice;
AudioParameter param = AudioParameter();
param.addInt(String8(AudioParameter::keyRouting), (int)newDevice);
mpClientInterface->setParameters(activeInput, param.toString());
}
}
}
AudioPolicyManagerBase::IOProfile *AudioPolicyManager::getProfileForDirectOutput(
audio_devices_t device,
uint32_t samplingRate,
uint32_t format,
uint32_t channelMask,
audio_output_flags_t flags)
{
if( !((flags & AUDIO_OUTPUT_FLAG_LPA) ||
(flags & AUDIO_OUTPUT_FLAG_TUNNEL)||
(flags & AUDIO_OUTPUT_FLAG_VOIP_RX)) )
flags = AUDIO_OUTPUT_FLAG_DIRECT;
for (size_t i = 0; i < mHwModules.size(); i++) {
if (mHwModules[i]->mHandle == 0) {
continue;
}
for (size_t j = 0; j < mHwModules[i]->mOutputProfiles.size(); j++) {
AudioPolicyManagerBase::IOProfile *profile = mHwModules[i]->mOutputProfiles[j];
if (isCompatibleProfile(profile, device, samplingRate, format,
channelMask,
flags)) {
if (mAvailableOutputDevices & profile->mSupportedDevices) {
return mHwModules[i]->mOutputProfiles[j];
}
}
}
}
return 0;
}
bool AudioPolicyManager::isCompatibleProfile(AudioPolicyManagerBase::IOProfile *profile,
audio_devices_t device,
uint32_t samplingRate,
uint32_t format,
uint32_t channelMask,
audio_output_flags_t flags)
{
if ((profile->mSupportedDevices & device) != device) {
return false;
}
if (profile->mFlags != flags) {
return false;
}
if (samplingRate != 0) {
size_t i;
for (i = 0; i < profile->mSamplingRates.size(); i++)
{
if (profile->mSamplingRates[i] == samplingRate) {
break;
}
}
if (i == profile->mSamplingRates.size()) {
return false;
}
}
if (format != 0) {
size_t i;
for (i = 0; i < profile->mFormats.size(); i++)
{
if (profile->mFormats[i] == format) {
break;
}
}
if (i == profile->mFormats.size()) {
return false;
}
}
if (channelMask != 0) {
size_t i;
for (i = 0; i < profile->mChannelMasks.size(); i++)
{
if (profile->mChannelMasks[i] == channelMask) {
break;
}
}
if (i == profile->mChannelMasks.size()) {
return false;
}
}
ALOGD(" profile found: device %x, flags %x, samplingrate %d,\
format %x, channelMask %d",
device, flags, samplingRate, format, channelMask);
return true;
}
status_t AudioPolicyManager::checkOutputsForDevice(audio_devices_t device,
AudioSystem::device_connection_state state,
SortedVector<audio_io_handle_t>& outputs)
{
AudioOutputDescriptor *desc;
if (state == AudioSystem::DEVICE_STATE_AVAILABLE) {
// first list already open outputs that can be routed to this device
for (size_t i = 0; i < mOutputs.size(); i++) {
desc = mOutputs.valueAt(i);
if (!desc->isDuplicated() && (desc->mProfile->mSupportedDevices & device)) {
ALOGV("checkOutputsForDevice(): adding opened output %d", mOutputs.keyAt(i));
outputs.add(mOutputs.keyAt(i));
}
}
// then look for output profiles that can be routed to this device
SortedVector<IOProfile *> profiles;
for (size_t i = 0; i < mHwModules.size(); i++)
{
if (mHwModules[i]->mHandle == 0) {
continue;
}
for (size_t j = 0; j < mHwModules[i]->mOutputProfiles.size(); j++)
{
if (mHwModules[i]->mOutputProfiles[j]->mSupportedDevices & device) {
ALOGV("checkOutputsForDevice(): adding profile %d from module %d", j, i);
profiles.add(mHwModules[i]->mOutputProfiles[j]);
}
}
}
if (profiles.isEmpty() && outputs.isEmpty()) {
ALOGW("checkOutputsForDevice(): No output available for device %04x", device);
return BAD_VALUE;
}
// open outputs for matching profiles if needed. Direct outputs are also opened to
// query for dynamic parameters and will be closed later by setDeviceConnectionState()
for (ssize_t profile_index = 0; profile_index < (ssize_t)profiles.size(); profile_index++) {
IOProfile *profile = profiles[profile_index];
// nothing to do if one output is already opened for this profile
size_t j;
for (j = 0; j < mOutputs.size(); j++) {
desc = mOutputs.valueAt(j);
if (!desc->isDuplicated() && desc->mProfile == profile) {
break;
}
}
if (j != mOutputs.size()) {
continue;
}
ALOGV("opening output for device %08x", device);
desc = new AudioOutputDescriptor(profile);
desc->mDevice = device;
audio_io_handle_t output = 0;
if (!(desc->mFlags & AUDIO_OUTPUT_FLAG_LPA || desc->mFlags & AUDIO_OUTPUT_FLAG_TUNNEL ||
desc->mFlags & AUDIO_OUTPUT_FLAG_VOIP_RX)) {
output = mpClientInterface->openOutput(profile->mModule->mHandle,
&desc->mDevice,
&desc->mSamplingRate,
&desc->mFormat,
&desc->mChannelMask,
&desc->mLatency,
desc->mFlags);
}
if (output != 0) {
if (desc->mFlags & AUDIO_OUTPUT_FLAG_DIRECT) {
String8 reply;
char *value;
if (profile->mSamplingRates[0] == 0) {
reply = mpClientInterface->getParameters(output,
String8(AUDIO_PARAMETER_STREAM_SUP_SAMPLING_RATES));
ALOGV("checkOutputsForDevice() direct output sup sampling rates %s",
reply.string());
value = strpbrk((char *)reply.string(), "=");
if (value != NULL) {
loadSamplingRates(value, profile);
}
}
if (profile->mFormats[0] == 0) {
reply = mpClientInterface->getParameters(output,
String8(AUDIO_PARAMETER_STREAM_SUP_FORMATS));
ALOGV("checkOutputsForDevice() direct output sup formats %s",
reply.string());
value = strpbrk((char *)reply.string(), "=");
if (value != NULL) {
loadFormats(value, profile);
}
}
if (profile->mChannelMasks[0] == 0) {
reply = mpClientInterface->getParameters(output,
String8(AUDIO_PARAMETER_STREAM_SUP_CHANNELS));
ALOGV("checkOutputsForDevice() direct output sup channel masks %s",
reply.string());
value = strpbrk((char *)reply.string(), "=");
if (value != NULL) {
loadOutChannels(value + 1, profile);
}
}
if (((profile->mSamplingRates[0] == 0) &&
(profile->mSamplingRates.size() < 2)) ||
((profile->mFormats[0] == 0) &&
(profile->mFormats.size() < 2)) ||
((profile->mFormats[0] == 0) &&
(profile->mChannelMasks.size() < 2))) {
ALOGW("checkOutputsForDevice() direct output missing param");
output = 0;
} else {
addOutput(output, desc);
}
} else {
audio_io_handle_t duplicatedOutput = 0;
// add output descriptor
addOutput(output, desc);
// set initial stream volume for device
applyStreamVolumes(output, device, 0, true);
//TODO: configure audio effect output stage here
// open a duplicating output thread for the new output and the primary output
duplicatedOutput = mpClientInterface->openDuplicateOutput(output,
mPrimaryOutput);
if (duplicatedOutput != 0) {
// add duplicated output descriptor
AudioOutputDescriptor *dupOutputDesc = new AudioOutputDescriptor(NULL);
dupOutputDesc->mOutput1 = mOutputs.valueFor(mPrimaryOutput);
dupOutputDesc->mOutput2 = mOutputs.valueFor(output);
dupOutputDesc->mSamplingRate = desc->mSamplingRate;
dupOutputDesc->mFormat = desc->mFormat;
dupOutputDesc->mChannelMask = desc->mChannelMask;
dupOutputDesc->mLatency = desc->mLatency;
addOutput(duplicatedOutput, dupOutputDesc);
applyStreamVolumes(duplicatedOutput, device, 0, true);
} else {
ALOGW("checkOutputsForDevice() could not open dup output for %d and %d",
mPrimaryOutput, output);
mpClientInterface->closeOutput(output);
mOutputs.removeItem(output);
output = 0;
}
}
}
if (output == 0) {
ALOGW("checkOutputsForDevice() could not open output for device %x", device);
delete desc;
profiles.removeAt(profile_index);
profile_index--;
} else {
outputs.add(output);
ALOGV("checkOutputsForDevice(): adding output %d", output);
}
}
if (profiles.isEmpty()) {
ALOGW("checkOutputsForDevice(): No output available for device %04x", device);
return BAD_VALUE;
}
} else {
// check if one opened output is not needed any more after disconnecting one device
for (size_t i = 0; i < mOutputs.size(); i++) {
desc = mOutputs.valueAt(i);
if (!desc->isDuplicated() &&
!(desc->mProfile->mSupportedDevices & mAvailableOutputDevices)) {
ALOGV("checkOutputsForDevice(): disconnecting adding output %d", mOutputs.keyAt(i));
outputs.add(mOutputs.keyAt(i));
}
}
for (size_t i = 0; i < mHwModules.size(); i++)
{
if (mHwModules[i]->mHandle == 0) {
continue;
}
for (size_t j = 0; j < mHwModules[i]->mOutputProfiles.size(); j++)
{
IOProfile *profile = mHwModules[i]->mOutputProfiles[j];
if ((profile->mSupportedDevices & device) &&
(profile->mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) {
ALOGV("checkOutputsForDevice(): clearing direct output profile %d on module %d",
j, i);
if (profile->mSamplingRates[0] == 0) {
profile->mSamplingRates.clear();
profile->mSamplingRates.add(0);
}
if (profile->mFormats[0] == 0) {
profile->mFormats.clear();
profile->mFormats.add((audio_format_t)0);
}
if (profile->mChannelMasks[0] == 0) {
profile->mChannelMasks.clear();
profile->mChannelMasks.add((audio_channel_mask_t)0);
}
}
}
}
}
return NO_ERROR;
}
status_t AudioPolicyManager::startOutput(audio_io_handle_t output,
AudioSystem::stream_type stream,
int session)
{
ALOGV("startOutput() output %d, stream %d, session %d", output, stream, session);
ssize_t index = mOutputs.indexOfKey(output);
if (index < 0) {
ALOGW("startOutput() unknow output %d", output);
return BAD_VALUE;
}
AudioOutputDescriptor *outputDesc = mOutputs.valueAt(index);
// increment usage count for this stream on the requested output:
// NOTE that the usage count is the same for duplicated output and hardware output which is
// necessary for a correct control of hardware output routing by startOutput() and stopOutput()
outputDesc->changeRefCount(stream, 1);
if (outputDesc->mRefCount[stream] == 1) {
audio_devices_t prevDevice = outputDesc->device();
audio_devices_t newDevice = AudioPolicyManagerBase::getNewDevice(output, false /*fromCache*/);
routing_strategy strategy = AudioPolicyManagerBase::getStrategy(stream);
bool shouldWait = (strategy == STRATEGY_SONIFICATION) ||
(strategy == STRATEGY_SONIFICATION_RESPECTFUL);
uint32_t waitMs = 0;
bool force = false;
uint32_t muteWaitMs;
for (size_t i = 0; i < mOutputs.size(); i++) {
AudioOutputDescriptor *desc = mOutputs.valueAt(i);
if (desc != outputDesc) {
// force a device change if any other output is managed by the same hw
// module and has a current device selection that differs from selected device.
// In this case, the audio HAL must receive the new device selection so that it can
// change the device currently selected by the other active output.
if (outputDesc->sharesHwModuleWith(desc) &&
desc->device() != newDevice) {
force = true;
}
// wait for audio on other active outputs to be presented when starting
// a notification so that audio focus effect can propagate.
if (shouldWait && (desc->refCount() != 0) && (waitMs < desc->latency())) {
waitMs = desc->latency();
}
}
}
#ifdef QCOM_FM_ENABLED
if(stream == AudioSystem::FM && output == getA2dpOutput()) {
setOutputDevice(output, AudioPolicyManagerBase::getNewDevice((output), true));
} else
#endif
{
setOutputDevice(output, AudioPolicyManagerBase::getNewDevice((output), true));
}
// handle special case for sonification while in call
if (isInCall()) {
AudioPolicyManagerBase::handleIncallSonification(stream, true, false);
}
// apply volume rules for current stream and device if necessary
checkAndSetVolume(stream,
mStreams[stream].getVolumeIndex(newDevice),
output,
newDevice);
// update the outputs if starting an output with a stream that can affect notification
// routing
handleNotificationRoutingForStream(stream);
if (waitMs > muteWaitMs) {
usleep((waitMs - muteWaitMs) * 2 * 1000);
}
}
return NO_ERROR;
}
status_t AudioPolicyManager::stopOutput(audio_io_handle_t output, AudioSystem::stream_type stream, int session)
{
ALOGV("stopOutput() output %d, stream %d, session %d", output, stream, session);
ssize_t index = mOutputs.indexOfKey(output);
if (index < 0) {
ALOGW("stopOutput() unknow output %d", output);
return BAD_VALUE;
}
AudioOutputDescriptor *outputDesc = mOutputs.valueAt(index);
// handle special case for sonification while in call
if (isInCall()) {
handleIncallSonification(stream, false, false);
}
if (outputDesc->mRefCount[stream] > 0) {
// decrement usage count of this stream on the output
outputDesc->changeRefCount(stream, -1);
// store time at which the stream was stopped - see isStreamActive()
if (outputDesc->mRefCount[stream] == 0) {
if (stream == AudioSystem::MUSIC) {
outputDesc->mStopTime[stream] = systemTime();
}
audio_devices_t newDevice = getNewDevice(output, false /*fromCache*/);
// delay the device switch by twice the latency because stopOutput() is executed when
// the track stop() command is received and at that time the audio track buffer can
// still contain data that needs to be drained. The latency only covers the audio HAL
// and kernel buffers. Also the latency does not always include additional delay in the
// audio path (audio DSP, CODEC ...)
setOutputDevice(output, newDevice, false, outputDesc->mLatency*2);
// force restoring the device selection on other active outputs if it differs from the
// one being selected for this output
for (size_t i = 0; i < mOutputs.size(); i++) {
audio_io_handle_t curOutput = mOutputs.keyAt(i);
AudioOutputDescriptor *desc = mOutputs.valueAt(i);
if (curOutput != output &&
desc->refCount() != 0 &&
outputDesc->sharesHwModuleWith(desc) &&
newDevice != desc->device()) {
setOutputDevice(curOutput,
getNewDevice(curOutput, false /*fromCache*/),
true,
outputDesc->mLatency*2);
}
}
// update the outputs if stopping one with a stream that can affect notification routing
handleNotificationRoutingForStream(stream);
}
return NO_ERROR;
} else {
ALOGW("stopOutput() refcount is already 0 for output %d", output);
return INVALID_OPERATION;
}
}
// ----------------------------------------------------------------------------
// AudioPolicyManager
// ----------------------------------------------------------------------------
// --- class factory
extern "C" AudioPolicyInterface* createAudioPolicyManager(AudioPolicyClientInterface *clientInterface)
{
return new AudioPolicyManager(clientInterface);
}
extern "C" void destroyAudioPolicyManager(AudioPolicyInterface *interface)
{
delete interface;
}
// ---
uint32_t AudioPolicyManager::setOutputDevice(audio_io_handle_t output, audio_devices_t device, bool force, int delayMs)
{
ALOGV("setOutputDevice() output %d device %04x delayMs %d", output, device, delayMs);
AudioOutputDescriptor *outputDesc = mOutputs.valueFor(output);
AudioParameter param;
uint32_t muteWaitMs = 0;
if (outputDesc->isDuplicated()) {
muteWaitMs = setOutputDevice(outputDesc->mOutput1->mId, device, force, delayMs);
muteWaitMs += setOutputDevice(outputDesc->mOutput2->mId, device, force, delayMs);
return muteWaitMs;
}
// filter devices according to output selected
device = (audio_devices_t)(device & outputDesc->mProfile->mSupportedDevices);
audio_devices_t prevDevice = outputDesc->mDevice;
ALOGV("setOutputDevice() prevDevice %04x", prevDevice);
if (device != 0) {
outputDesc->mDevice = device;
}
muteWaitMs = checkDeviceMuteStrategies(outputDesc, prevDevice, delayMs);
// Do not change the routing if:
// - the requested device is 0
// - the requested device is the same as current device and force is not specified.
// Doing this check here allows the caller to call setOutputDevice() without conditions
if ((device == 0 || device == prevDevice) && !force) {
ALOGV("setOutputDevice() setting same device %04x or null device for output %d", device, output);
return muteWaitMs;
}
ALOGV("setOutputDevice() changing device");
// do the routing
param.addInt(String8(AudioParameter::keyRouting), (int)device);
mpClientInterface->setParameters(output, param.toString(), delayMs);
// update stream volumes according to new device
applyStreamVolumes(output, device, delayMs);
return muteWaitMs;
}
status_t AudioPolicyManager::checkAndSetVolume(int stream, int index, audio_io_handle_t output, audio_devices_t device, int delayMs, bool force)
{
// do not change actual stream volume if the stream is muted
if (mOutputs.valueFor(output)->mMuteCount[stream] != 0) {
ALOGVV("checkAndSetVolume() stream %d muted count %d",
stream, mOutputs.valueFor(output)->mMuteCount[stream]);
return NO_ERROR;
}
// do not change in call volume if bluetooth is connected and vice versa
if ((stream == AudioSystem::VOICE_CALL && mForceUse[AudioSystem::FOR_COMMUNICATION] == AudioSystem::FORCE_BT_SCO) ||
(stream == AudioSystem::BLUETOOTH_SCO && mForceUse[AudioSystem::FOR_COMMUNICATION] != AudioSystem::FORCE_BT_SCO)) {
ALOGV("checkAndSetVolume() cannot set stream %d volume with force use = %d for comm",
stream, mForceUse[AudioSystem::FOR_COMMUNICATION]);
return INVALID_OPERATION;
}
float volume = computeVolume(stream, index, output, device);
// We actually change the volume if:
// - the float value returned by computeVolume() changed
// - the force flag is set
if (volume != mOutputs.valueFor(output)->mCurVolume[stream] ||
#ifdef QCOM_FM_ENABLED
(stream == AudioSystem::FM) ||
#endif
force) {
mOutputs.valueFor(output)->mCurVolume[stream] = volume;
ALOGVV("checkAndSetVolume() for output %d stream %d, volume %f, delay %d", output, stream, volume, delayMs);
if (stream == AudioSystem::VOICE_CALL ||
stream == AudioSystem::DTMF ||
stream == AudioSystem::BLUETOOTH_SCO) {
float voiceVolume = -1.0;
// offset value to reflect actual hardware volume that never reaches 0
// 1% corresponds roughly to first step in VOICE_CALL stream volume setting (see AudioService.java)
volume = 0.01 + 0.99 * volume;
if (stream == AudioSystem::VOICE_CALL) {
voiceVolume = (float)index/(float)mStreams[stream].mIndexMax;
} else if (stream == AudioSystem::BLUETOOTH_SCO) {
voiceVolume = 1.0;
}
if (voiceVolume >= 0 && output == mPrimaryOutput) {
mpClientInterface->setVoiceVolume(voiceVolume, delayMs);
}
#ifdef QCOM_FM_ENABLED
} else if (stream == AudioSystem::FM) {
float fmVolume = -1.0;
fmVolume = computeVolume(stream, index, output, device);
if (fmVolume >= 0) {
if(output == mPrimaryOutput)
mpClientInterface->setFmVolume(fmVolume, delayMs);
else if(mHasA2dp && output == getA2dpOutput())
mpClientInterface->setStreamVolume((AudioSystem::stream_type)stream, volume, output, delayMs);
}
return NO_ERROR;
#endif
}
mpClientInterface->setStreamVolume((AudioSystem::stream_type)stream, volume, output, delayMs);
}
return NO_ERROR;
}
audio_io_handle_t AudioPolicyManager::getInput(int inputSource,
uint32_t samplingRate,
uint32_t format,
uint32_t channelMask,
AudioSystem::audio_in_acoustics acoustics)
{
audio_io_handle_t input = 0;
audio_devices_t device = getDeviceForInputSource(inputSource);
ALOGV("getInput() inputSource %d, samplingRate %d, format %d, channelMask %x, acoustics %x",
inputSource, samplingRate, format, channelMask, acoustics);
if (device == AUDIO_DEVICE_NONE) {
ALOGW("getInput() could not find device for inputSource %d", inputSource);
return 0;
}
// adapt channel selection to input source
switch(inputSource) {
case AUDIO_SOURCE_VOICE_UPLINK:
channelMask = AudioSystem::CHANNEL_IN_VOICE_UPLINK;
break;
case AUDIO_SOURCE_VOICE_DOWNLINK:
channelMask = AudioSystem::CHANNEL_IN_VOICE_DNLINK;
break;
case AUDIO_SOURCE_VOICE_CALL:
channelMask = (AudioSystem::CHANNEL_IN_VOICE_UPLINK | AudioSystem::CHANNEL_IN_VOICE_DNLINK);
break;
default:
break;
}
IOProfile *profile = getInputProfile(device,
samplingRate,
format,
channelMask);
if (profile == NULL) {
ALOGW("getInput() could not find profile for device %04x, samplingRate %d, format %d,"
"channelMask %04x",
device, samplingRate, format, channelMask);
return 0;
}
if (profile->mModule->mHandle == 0) {
ALOGE("getInput(): HW module %s not opened", profile->mModule->mName);
return 0;
}
AudioInputDescriptor *inputDesc = new AudioInputDescriptor(profile);
inputDesc->mInputSource = inputSource;
inputDesc->mDevice = device;
inputDesc->mSamplingRate = samplingRate;
inputDesc->mFormat = (audio_format_t)format;
inputDesc->mChannelMask = (audio_channel_mask_t)channelMask;
inputDesc->mRefCount = 0;
input = mpClientInterface->openInput(profile->mModule->mHandle,
&inputDesc->mDevice,
&inputDesc->mSamplingRate,
&inputDesc->mFormat,
&inputDesc->mChannelMask);
// only accept input with the exact requested set of parameters
if (input == 0 ||
(samplingRate != inputDesc->mSamplingRate) ||
(format != inputDesc->mFormat) ||
(channelMask != inputDesc->mChannelMask)) {
ALOGV("getInput() failed opening input: samplingRate %d, format %d, channelMask %d",
samplingRate, format, channelMask);
if (input != 0) {
mpClientInterface->closeInput(input);
}
delete inputDesc;
return 0;
}
mInputs.add(input, inputDesc);
return input;
}
audio_devices_t AudioPolicyManager::getDeviceForInputSource(int inputSource)
{
uint32_t device = AUDIO_DEVICE_NONE;
switch(inputSource) {
case AUDIO_SOURCE_DEFAULT:
case AUDIO_SOURCE_MIC:
case AUDIO_SOURCE_VOICE_RECOGNITION:
if (mForceUse[AudioSystem::FOR_RECORD] == AudioSystem::FORCE_BT_SCO &&
mAvailableInputDevices & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) {
device = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET;
} else if (mAvailableInputDevices & AUDIO_DEVICE_IN_WIRED_HEADSET) {
device = AUDIO_DEVICE_IN_WIRED_HEADSET;
} else if (mAvailableInputDevices & AUDIO_DEVICE_IN_BUILTIN_MIC) {
device = AUDIO_DEVICE_IN_BUILTIN_MIC;
}
break;
case AUDIO_SOURCE_VOICE_COMMUNICATION:
device = AudioSystem::DEVICE_IN_COMMUNICATION;
break;
case AUDIO_SOURCE_CAMCORDER:
if (mAvailableInputDevices & AUDIO_DEVICE_IN_BACK_MIC) {
device = AUDIO_DEVICE_IN_BACK_MIC;
} else if (mAvailableInputDevices & AUDIO_DEVICE_IN_BUILTIN_MIC) {
device = AUDIO_DEVICE_IN_BUILTIN_MIC;
}
break;
case AUDIO_SOURCE_VOICE_UPLINK:
case AUDIO_SOURCE_VOICE_DOWNLINK:
case AUDIO_SOURCE_VOICE_CALL:
if (mAvailableInputDevices & AUDIO_DEVICE_IN_VOICE_CALL) {
device = AUDIO_DEVICE_IN_VOICE_CALL;
}
break;
case AUDIO_SOURCE_REMOTE_SUBMIX:
if (mAvailableInputDevices & AUDIO_DEVICE_IN_REMOTE_SUBMIX) {
device = AUDIO_DEVICE_IN_REMOTE_SUBMIX;
}
break;
#ifdef QCOM_FM_ENABLED
case AUDIO_SOURCE_FM_RX:
device = AudioSystem::DEVICE_IN_FM_RX;
break;
case AUDIO_SOURCE_FM_RX_A2DP:
device = AudioSystem::DEVICE_IN_FM_RX_A2DP;
break;
#endif
default:
ALOGW("getDeviceForInputSource() invalid input source %d", inputSource);
break;
}
ALOGV("getDeviceForInputSource()input source %d, device %08x", inputSource, device);
return device;
}
/*
Overwriting this function from base class to allow 2 acitve AudioRecord clients in case of FM.
One for FM A2DP playbck and other for FM recording.
*/
status_t AudioPolicyManager::startInput(audio_io_handle_t input)
{
ALOGV("startInput() input %d", input);
ssize_t index = mInputs.indexOfKey(input);
if (index < 0) {
ALOGW("startInput() unknow input %d", input);
return BAD_VALUE;
}
AudioInputDescriptor *inputDesc = mInputs.valueAt(index);
#ifdef AUDIO_POLICY_TEST
if (mTestInput == 0)
#endif //AUDIO_POLICY_TEST
{
// refuse 2 active AudioRecord clients at the same time
if (getActiveInput() != 0) {
ALOGW("startInput() input %d failed: other input already started", input);
return INVALID_OPERATION;
}
}
AudioParameter param = AudioParameter();
param.addInt(String8(AudioParameter::keyRouting), (int)inputDesc->mDevice);
// use Voice Recognition mode or not for this input based on input source
int vr_enabled = inputDesc->mInputSource == AUDIO_SOURCE_VOICE_RECOGNITION ? 1 : 0;
param.addInt(String8("vr_mode"), vr_enabled);
ALOGV("AudioPolicyManager::startInput(%d), setting vr_mode to %d", inputDesc->mInputSource, vr_enabled);
mpClientInterface->setParameters(input, param.toString());
inputDesc->mRefCount = 1;
return NO_ERROR;
}
void AudioPolicyManager::handleNotificationRoutingForStream(AudioSystem::stream_type stream) {
switch(stream) {
case AudioSystem::MUSIC:
checkOutputForStrategy(STRATEGY_SONIFICATION_RESPECTFUL);
updateDevicesAndOutputs();
break;
default:
break;
}
}
}; // namespace android_audio_legacy