policy-hal: add custom audio policy
- this change contains all the fixes went in
audio policy made by QTI as below
audio_policyhal: SSR support for compress offload
Change-Id: Idc8f6690d7c06883dbfcf55b073d4456a8c27e5c
audio: Fix playback of AAC clips in offload mode instead of deep buffer
Change-Id: Ib946830bc2f6b9cec33c8f0943910e3aeeb6fa6e
audio: primary desc check for sonification_respectful
Change-Id: I5d7aef3b29791823c277452e71e0cd43f91b2ddd
audio_policy: Fix for mute count mismatch for sonification strategy
Change-Id: Id4f328e2f9fc6820cecfbd73df11c871f8587aad
audio: execute setVoiceVolume for USB device during inCall usecase
Change-Id: Ia4917807103d1cf406a03e1d6d3dada470401737
audio_policy: handle in call sonification for attached outputs of duplicating output
Change-Id: I91968b33c4d93b13aae421654b2740c46269d55e
audio: Fix for Sound from handset leaks to speaker
Change-Id: Id2fd20de7a279f74e38a9aefe91e17b36cc9da6f
audio: Fix media server crash at the start of voice call
Change-Id: Ibe2d19acbed2ca44ab193ae0b613fae899f02ebb
audio_policy: handle incall sound notifications on non primary outputs
Change-Id: I2eec3872a2dcd10750ac20f69791a5bb51b37d8b
Audiopolicymanager: handle incall sonification without checking output refCount
Change-Id: I0eab939b32fe47388e2515ab56154d540e9df55c
audio: use FLAG_FAST for non-music stream on WFD
Change-Id: Id2f5965c8f5623646b2adb2aa892a9929f3bc5bb
audiopolicy: optimize voice call start latency
Chnage-Id: I77cb2ddb5a9154ffd2ac1620351992686e580f8a
Change-Id: I8a5991f09063f8e00b9a1308c3307c239f3ce487
diff --git a/policy_hal/Android.mk b/policy_hal/Android.mk
index b787130..874b3dd 100644
--- a/policy_hal/Android.mk
+++ b/policy_hal/Android.mk
@@ -1,48 +1,35 @@
-ifeq ($(strip $(BOARD_USES_EXTN_AUDIO_POLICY_MANAGER)),true)
-
+ifneq ($(USE_LEGACY_AUDIO_POLICY), 1)
+ifeq ($(USE_CUSTOM_AUDIO_POLICY), 1)
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_SRC_FILES := AudioPolicyManager.cpp
+LOCAL_C_INCLUDES := $(TOPDIR)frameworks/av/services \
+ $(TOPDIR)frameworks/av/services/audioflinger \
+ $(call include-path-for, audio-effects) \
+ $(call include-path-for, audio-utils) \
+ $(TOPDIR)frameworks/av/services/audiopolicy/common/include \
+ $(TOPDIR)frameworks/av/services/audiopolicy/engine/interface \
+ $(TOPDIR)frameworks/av/services/audiopolicy \
+ $(TOPDIR)frameworks/av/services/audiopolicy/common/managerdefinitions/include \
+ $(call include-path-for, avextension)
+
+
LOCAL_SHARED_LIBRARIES := \
libcutils \
libutils \
- liblog
+ liblog \
+ libsoundtrigger \
+ libaudiopolicymanagerdefault \
+ libserviceutility
LOCAL_STATIC_LIBRARIES := \
- libmedia_helper
+ libmedia_helper \
-LOCAL_WHOLE_STATIC_LIBRARIES := \
- libaudiopolicy_legacy
-
-LOCAL_MODULE := audio_policy.$(TARGET_BOARD_PLATFORM)
-LOCAL_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARIES)/hw
-LOCAL_MODULE_TAGS := optional
-
-ifeq ($(strip $(AUDIO_FEATURE_ENABLED_FM)),true)
-LOCAL_CFLAGS += -DAUDIO_EXTN_FM_ENABLED
-endif
-ifeq ($(strip $(AUDIO_FEATURE_ENABLED_PROXY_DEVICE)),true)
-LOCAL_CFLAGS += -DAUDIO_EXTN_AFE_PROXY_ENABLED
-endif
-ifeq ($(strip $(AUDIO_FEATURE_ENABLED_INCALL_MUSIC)),true)
-LOCAL_CFLAGS += -DAUDIO_EXTN_INCALL_MUSIC_ENABLED
-endif
-ifeq ($(strip $(AUDIO_FEATURE_ENABLED_HDMI_SPK)),true)
-LOCAL_CFLAGS += -DAUDIO_EXTN_HDMI_SPK_ENABLED
-endif
-
-
-ifeq ($(strip $(TARGET_BOARD_PLATFORM)),msm8916)
-LOCAL_CFLAGS += -DVOICE_CONCURRENCY
-LOCAL_CFLAGS += -DWFD_CONCURRENCY
-endif
-
-ifeq ($(strip $(AUDIO_FEATURE_ENABLED_MULTIPLE_TUNNEL)), true)
-LOCAL_CFLAGS += -DMULTIPLE_OFFLOAD_ENABLED
-endif
+LOCAL_MODULE := libaudiopolicymanager
include $(BUILD_SHARED_LIBRARY)
endif
+endif
diff --git a/policy_hal/AudioPolicyManager.cpp b/policy_hal/AudioPolicyManager.cpp
index 13dd21c..03dec57 100644
--- a/policy_hal/AudioPolicyManager.cpp
+++ b/policy_hal/AudioPolicyManager.cpp
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
* Not a contribution.
*
* Copyright (C) 2009 The Android Open Source Project
@@ -17,7 +17,7 @@
* limitations under the License.
*/
-#define LOG_TAG "AudioPolicyManager"
+#define LOG_TAG "AudioPolicyManagerCustom"
//#define LOG_NDEBUG 0
//#define VERY_VERBOSE_LOGGING
@@ -27,55 +27,66 @@
#define ALOGVV(a...) do { } while(0)
#endif
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+
// A device mask for all audio output devices that are considered "remote" when evaluating
// active output devices in isStreamActiveRemotely()
#define APM_AUDIO_OUT_DEVICE_REMOTE_ALL AUDIO_DEVICE_OUT_REMOTE_SUBMIX
+// A device mask for all audio input and output devices where matching inputs/outputs on device
+// type alone is not enough: the address must match too
+#define APM_AUDIO_DEVICE_MATCH_ADDRESS_ALL (AUDIO_DEVICE_IN_REMOTE_SUBMIX | \
+ AUDIO_DEVICE_OUT_REMOTE_SUBMIX)
+// Following delay should be used if the calculated routing delay from all active
+// input streams is higher than this value
+#define MAX_VOICE_CALL_START_DELAY_MS 100
-#include <utils/Log.h>
-#include "AudioPolicyManager.h"
-#include <hardware/audio_effect.h>
-#include <hardware/audio.h>
+#include <inttypes.h>
#include <math.h>
-#include <hardware_legacy/audio_policy_conf.h>
-#include <cutils/properties.h>
-namespace android_audio_legacy {
+#include <cutils/properties.h>
+#include <utils/Log.h>
+#include <hardware/audio.h>
+#include <hardware/audio_effect.h>
+#include <media/AudioParameter.h>
+#include <soundtrigger/SoundTrigger.h>
+#include "AudioPolicyManager.h"
+#include <policy.h>
+
+namespace android {
// ----------------------------------------------------------------------------
// AudioPolicyInterface implementation
// ----------------------------------------------------------------------------
-
-status_t AudioPolicyManager::setDeviceConnectionState(audio_devices_t device,
- AudioSystem::device_connection_state state,
- const char *device_address)
+extern "C" AudioPolicyInterface* createAudioPolicyManager(
+ AudioPolicyClientInterface *clientInterface)
{
- SortedVector <audio_io_handle_t> outputs;
+ return new AudioPolicyManagerCustom(clientInterface);
+}
- ALOGD("setDeviceConnectionState() device: %x, state %d, address %s", device, state, device_address);
+extern "C" void destroyAudioPolicyManager(AudioPolicyInterface *interface)
+{
+ delete interface;
+}
+
+status_t AudioPolicyManagerCustom::setDeviceConnectionStateInt(audio_devices_t device,
+ audio_policy_dev_state_t state,
+ const char *device_address,
+ const char *device_name)
+{
+ ALOGV("setDeviceConnectionStateInt() device: 0x%X, state %d, address %s name %s",
+ device, state, device_address, device_name);
// 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;
- }
+ sp<DeviceDescriptor> devDesc =
+ mHwModules.getDeviceDescriptor(device, device_address, device_name);
// handle output devices
if (audio_is_output_device(device)) {
+ SortedVector <audio_io_handle_t> outputs;
- 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;
- }
+ ssize_t index = mAvailableOutputDevices.indexOf(devDesc);
// save a copy of the opened output descriptors before any output is opened or closed
// by checkOutputsForDevice(). This will be needed by checkOutputForAllStrategies()
@@ -83,72 +94,68 @@
switch (state)
{
// handle output device connection
- case AudioSystem::DEVICE_STATE_AVAILABLE:
- if (mAvailableOutputDevices & device) {
+ case AUDIO_POLICY_DEVICE_STATE_AVAILABLE: {
+ if (index >= 0) {
ALOGW("setDeviceConnectionState() device already connected: %x", device);
return INVALID_OPERATION;
}
ALOGV("setDeviceConnectionState() connecting device %x", device);
- if (checkOutputsForDevice(device, state, outputs) != NO_ERROR) {
+ // register new device as available
+ index = mAvailableOutputDevices.add(devDesc);
+ if (index >= 0) {
+ sp<HwModule> module = mHwModules.getModuleForDevice(device);
+ if (module == 0) {
+ ALOGD("setDeviceConnectionState() could not find HW module for device %08x",
+ device);
+ mAvailableOutputDevices.remove(devDesc);
+ return INVALID_OPERATION;
+ }
+ mAvailableOutputDevices[index]->attach(module);
+ } else {
+ return NO_MEMORY;
+ }
+
+ if (checkOutputsForDevice(devDesc, state, outputs, devDesc->mAddress) != NO_ERROR) {
+ mAvailableOutputDevices.remove(devDesc);
return INVALID_OPERATION;
}
- ALOGV("setDeviceConnectionState() checkOutputsForDevice() returned %d outputs",
- outputs.size());
- // register new device as available
- mAvailableOutputDevices = (audio_devices_t)(mAvailableOutputDevices | device);
+ // Propagate device availability to Engine
+ mEngine->setDeviceConnectionState(devDesc, state);
- 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;
- }
- // not currently handling multiple simultaneous submixes: ignoring remote submix
- // case and address
- if (!paramStr.isEmpty()) {
- for (size_t i = 0; i < outputs.size(); i++) {
- mpClientInterface->setParameters(outputs[i], paramStr);
- }
- }
- }
- break;
+ // outputs should never be empty here
+ ALOG_ASSERT(outputs.size() != 0, "setDeviceConnectionState():"
+ "checkOutputsForDevice() returned no outputs but status OK");
+ ALOGV("setDeviceConnectionState() checkOutputsForDevice() returned %zu outputs",
+ outputs.size());
+
+ // Send connect to HALs
+ AudioParameter param = AudioParameter(devDesc->mAddress);
+ param.addInt(String8(AUDIO_PARAMETER_DEVICE_CONNECT), device);
+ mpClientInterface->setParameters(AUDIO_IO_HANDLE_NONE, param.toString());
+
+ } break;
// handle output device disconnection
- case AudioSystem::DEVICE_STATE_UNAVAILABLE: {
- if (!(mAvailableOutputDevices & device)) {
+ case AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE: {
+ if (index < 0) {
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);
+ ALOGV("setDeviceConnectionState() disconnecting output device %x", 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 = "";
- }
- // not currently handling multiple simultaneous submixes: ignoring remote submix
- // case and address
+ // Send Disconnect to HALs
+ AudioParameter param = AudioParameter(devDesc->mAddress);
+ param.addInt(String8(AUDIO_PARAMETER_DEVICE_DISCONNECT), device);
+ mpClientInterface->setParameters(AUDIO_IO_HANDLE_NONE, param.toString());
+
+ // remove device from available output devices
+ mAvailableOutputDevices.remove(devDesc);
+
+ checkOutputsForDevice(devDesc, state, outputs, devDesc->mAddress);
+
+ // Propagate device availability to Engine
+ mEngine->setDeviceConnectionState(devDesc, state);
} break;
default:
@@ -156,975 +163,171 @@
return BAD_VALUE;
}
+ // checkA2dpSuspend must run before checkOutputForAllStrategies so that A2DP
+ // output is suspended before any tracks are moved to it
checkA2dpSuspend();
checkOutputForAllStrategies();
// outputs must be closed after checkOutputForAllStrategies() is executed
if (!outputs.isEmpty()) {
for (size_t i = 0; i < outputs.size(); i++) {
- AudioOutputDescriptor *desc = mOutputs.valueFor(outputs[i]);
+ sp<SwAudioOutputDescriptor> desc = mOutputs.valueFor(outputs[i]);
// close unused outputs after device disconnection or direct outputs that have been
// opened by checkOutputsForDevice() to query dynamic parameters
- if ((state == AudioSystem::DEVICE_STATE_UNAVAILABLE) ||
+ if ((state == AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE) ||
(((desc->mFlags & AUDIO_OUTPUT_FLAG_DIRECT) != 0) &&
(desc->mDirectOpenCount == 0))) {
closeOutput(outputs[i]);
}
}
+ // check again after closing A2DP output to reset mA2dpSuspended if needed
+ checkA2dpSuspend();
}
updateDevicesAndOutputs();
- audio_devices_t newDevice = getNewDevice(mPrimaryOutput, false /*fromCache*/);
-#ifdef AUDIO_EXTN_FM_ENABLED
- if(device == AUDIO_DEVICE_OUT_FM) {
- if (state == AudioSystem::DEVICE_STATE_AVAILABLE) {
- mOutputs.valueFor(mPrimaryOutput)->changeRefCount(AudioSystem::MUSIC, 1);
- newDevice = (audio_devices_t)(getNewDevice(mPrimaryOutput, false) | AUDIO_DEVICE_OUT_FM);
- } else {
- mOutputs.valueFor(mPrimaryOutput)->changeRefCount(AudioSystem::MUSIC, -1);
- }
-
- AudioParameter param = AudioParameter();
- param.addInt(String8("handle_fm"), (int)newDevice);
- ALOGV("setDeviceConnectionState() setParameters handle_fm");
- mpClientInterface->setParameters(mPrimaryOutput, param.toString());
+ if (mEngine->getPhoneState() == AUDIO_MODE_IN_CALL && hasPrimaryOutput()) {
+ audio_devices_t newDevice = getNewOutputDevice(mPrimaryOutput, false /*fromCache*/);
+ updateCallRouting(newDevice);
}
-#endif
for (size_t i = 0; i < mOutputs.size(); i++) {
- // do not force device change on duplicated output because if device is 0, it will
- // also force a device 0 for the two outputs it is duplicated to which may override
- // a valid device selection on those outputs.
- audio_devices_t cachedDevice = getNewDevice(mOutputs.keyAt(i), true /*fromCache*/);
- AudioOutputDescriptor *desc = mOutputs.valueFor(mOutputs.keyAt(i));
- if (cachedDevice == AUDIO_DEVICE_OUT_SPEAKER &&
- device == AUDIO_DEVICE_OUT_PROXY &&
- (desc->mFlags & AUDIO_OUTPUT_FLAG_FAST)) {
- ALOGI("Avoid routing touch tone to spkr as proxy is being disconnected");
- break;
+ sp<SwAudioOutputDescriptor> desc = mOutputs.valueAt(i);
+ if ((mEngine->getPhoneState() != AUDIO_MODE_IN_CALL) || (desc != mPrimaryOutput)) {
+ audio_devices_t newDevice = getNewOutputDevice(desc, true /*fromCache*/);
+ // do not force device change on duplicated output because if device is 0, it will
+ // also force a device 0 for the two outputs it is duplicated to which may override
+ // a valid device selection on those outputs.
+ bool force = !desc->isDuplicated()
+ && (!device_distinguishes_on_address(device)
+ // always force when disconnecting (a non-duplicated device)
+ || (state == AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE));
+ setOutputDevice(desc, newDevice, force, 0);
}
- setOutputDevice(mOutputs.keyAt(i),
- cachedDevice,
- !mOutputs.valueAt(i)->isDuplicated(),
- 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 if(device == AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET){
- device = AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET;
- } else {
- return NO_ERROR;
- }
- }
+ mpClientInterface->onAudioPortListUpdate();
+ return NO_ERROR;
+ } // end if is output device
+
// handle input devices
if (audio_is_input_device(device)) {
+ SortedVector <audio_io_handle_t> inputs;
+ ssize_t index = mAvailableInputDevices.indexOf(devDesc);
switch (state)
{
// handle input device connection
- case AudioSystem::DEVICE_STATE_AVAILABLE: {
- if (mAvailableInputDevices & device) {
+ case AUDIO_POLICY_DEVICE_STATE_AVAILABLE: {
+ if (index >= 0) {
ALOGW("setDeviceConnectionState() device already connected: %d", device);
return INVALID_OPERATION;
}
- mAvailableInputDevices = mAvailableInputDevices | (device & ~AUDIO_DEVICE_BIT_IN);
+ sp<HwModule> module = mHwModules.getModuleForDevice(device);
+ if (module == NULL) {
+ ALOGW("setDeviceConnectionState(): could not find HW module for device %08x",
+ device);
+ return INVALID_OPERATION;
}
- break;
+ if (checkInputsForDevice(devDesc, state, inputs, devDesc->mAddress) != NO_ERROR) {
+ return INVALID_OPERATION;
+ }
+
+ index = mAvailableInputDevices.add(devDesc);
+ if (index >= 0) {
+ mAvailableInputDevices[index]->attach(module);
+ } else {
+ return NO_MEMORY;
+ }
+
+ // Set connect to HALs
+ AudioParameter param = AudioParameter(devDesc->mAddress);
+ param.addInt(String8(AUDIO_PARAMETER_DEVICE_CONNECT), device);
+ mpClientInterface->setParameters(AUDIO_IO_HANDLE_NONE, param.toString());
+
+ // Propagate device availability to Engine
+ mEngine->setDeviceConnectionState(devDesc, state);
+ } break;
// handle input device disconnection
- case AudioSystem::DEVICE_STATE_UNAVAILABLE: {
- if (!(mAvailableInputDevices & device)) {
+ case AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE: {
+ if (index < 0) {
ALOGW("setDeviceConnectionState() device not connected: %d", device);
return INVALID_OPERATION;
}
- mAvailableInputDevices = (audio_devices_t) (mAvailableInputDevices & ~device);
- } break;
+
+ ALOGV("setDeviceConnectionState() disconnecting input device %x", device);
+
+ // Set Disconnect to HALs
+ AudioParameter param = AudioParameter(devDesc->mAddress);
+ param.addInt(String8(AUDIO_PARAMETER_DEVICE_DISCONNECT), device);
+ mpClientInterface->setParameters(AUDIO_IO_HANDLE_NONE, param.toString());
+
+ checkInputsForDevice(devDesc, state, inputs, devDesc->mAddress);
+ mAvailableInputDevices.remove(devDesc);
+
+ // Propagate device availability to Engine
+ mEngine->setDeviceConnectionState(devDesc, state);
+ } 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());
- }
+ closeAllInputs();
+
+ if (mEngine->getPhoneState() == AUDIO_MODE_IN_CALL && hasPrimaryOutput()) {
+ audio_devices_t newDevice = getNewOutputDevice(mPrimaryOutput, false /*fromCache*/);
+ updateCallRouting(newDevice);
}
+ mpClientInterface->onAudioPortListUpdate();
return NO_ERROR;
- }
+ } // end if is input device
ALOGW("setDeviceConnectionState() invalid device: %x", device);
return BAD_VALUE;
}
-
-void AudioPolicyManager::setPhoneState(int state)
-{
- ALOGV("setPhoneState() state %d", state);
- audio_devices_t newDevice = AUDIO_DEVICE_NONE;
- if (state < 0 || state >= AudioSystem::NUM_MODES) {
- ALOGW("setPhoneState() invalid state %d", state);
- return;
- }
-
- if (state == mPhoneState ) {
- ALOGW("setPhoneState() setting same state %d", state);
- return;
- }
-
- // if leaving call state, handle special case of active streams
- // pertaining to sonification strategy see handleIncallSonification()
- if (isInCall()) {
- ALOGV("setPhoneState() in call state management: new state is %d", state);
- for (int stream = 0; stream < AudioSystem::NUM_STREAM_TYPES; stream++) {
- handleIncallSonification(stream, false, true);
- }
- }
-
- // store previous phone state for management of sonification strategy below
- int oldState = mPhoneState;
- mPhoneState = state;
- bool force = false;
-
- // are we entering or starting a call
- if (!isStateInCall(oldState) && isStateInCall(state)) {
- ALOGV(" Entering call in setPhoneState()");
- // force routing command to audio hardware when starting a call
- // even if no device change is needed
- force = true;
- for (int j = 0; j < DEVICE_CATEGORY_CNT; j++) {
- mStreams[AUDIO_STREAM_DTMF].mVolumeCurve[j] =
- sVolumeProfiles[AUDIO_STREAM_VOICE_CALL][j];
- }
- } else if (isStateInCall(oldState) && !isStateInCall(state)) {
- ALOGV(" Exiting call in setPhoneState()");
- // force routing command to audio hardware when exiting a call
- // even if no device change is needed
- force = true;
- for (int j = 0; j < DEVICE_CATEGORY_CNT; j++) {
- mStreams[AUDIO_STREAM_DTMF].mVolumeCurve[j] =
- sVolumeProfiles[AUDIO_STREAM_DTMF][j];
- }
- } else if (isStateInCall(state) && (state != oldState)) {
- ALOGV(" Switching between telephony and VoIP in setPhoneState()");
- // force routing command to audio hardware when switching between telephony and VoIP
- // even if no device change is needed
- force = true;
- }
-
- // check for device and output changes triggered by new phone state
- newDevice = getNewDevice(mPrimaryOutput, false /*fromCache*/);
- checkA2dpSuspend();
- checkOutputForAllStrategies();
- updateDevicesAndOutputs();
-
- AudioOutputDescriptor *hwOutputDesc = mOutputs.valueFor(mPrimaryOutput);
-
- // force routing command to audio hardware when ending call
- // even if no device change is needed
- if (isStateInCall(oldState) && newDevice == AUDIO_DEVICE_NONE) {
- newDevice = hwOutputDesc->device();
- }
-
- int delayMs = 0;
- if (isStateInCall(state)) {
- nsecs_t sysTime = systemTime();
- for (size_t i = 0; i < mOutputs.size(); i++) {
- AudioOutputDescriptor *desc = mOutputs.valueAt(i);
- // mute media and sonification strategies and delay device switch by the largest
- // latency of any output where either strategy is active.
- // This avoid sending the ring tone or music tail into the earpiece or headset.
- if ((desc->isStrategyActive(STRATEGY_MEDIA,
- SONIFICATION_HEADSET_MUSIC_DELAY,
- sysTime) ||
- desc->isStrategyActive(STRATEGY_SONIFICATION,
- SONIFICATION_HEADSET_MUSIC_DELAY,
- sysTime)) &&
- (delayMs < (int)desc->mLatency*2)) {
- delayMs = desc->mLatency*2;
- }
- setStrategyMute(STRATEGY_MEDIA, true, mOutputs.keyAt(i));
- setStrategyMute(STRATEGY_MEDIA, false, mOutputs.keyAt(i), MUTE_TIME_MS,
- getDeviceForStrategy(STRATEGY_MEDIA, true /*fromCache*/));
- setStrategyMute(STRATEGY_SONIFICATION, true, mOutputs.keyAt(i));
- setStrategyMute(STRATEGY_SONIFICATION, false, mOutputs.keyAt(i), MUTE_TIME_MS,
- getDeviceForStrategy(STRATEGY_SONIFICATION, true /*fromCache*/));
- }
- }
-
- // change routing is necessary
- setOutputDevice(mPrimaryOutput, newDevice, force, delayMs);
-
- //update device for all non-primary outputs
- for (size_t i = 0; i < mOutputs.size(); i++) {
- audio_io_handle_t output = mOutputs.keyAt(i);
- if (output != mPrimaryOutput) {
- newDevice = getNewDevice(output, false /*fromCache*/);
- setOutputDevice(output, newDevice, (newDevice != AUDIO_DEVICE_NONE));
- }
- }
-
- // if entering in call state, handle special case of active streams
- // pertaining to sonification strategy see handleIncallSonification()
- if (isStateInCall(state)) {
- ALOGV("setPhoneState() in call state management: new state is %d", state);
- for (int stream = 0; stream < AudioSystem::NUM_STREAM_TYPES; stream++) {
- handleIncallSonification(stream, true, true);
- }
- }
-
- // Flag that ringtone volume must be limited to music volume until we exit MODE_RINGTONE
- if (state == AudioSystem::MODE_RINGTONE &&
- isStreamActive(AudioSystem::MUSIC, SONIFICATION_HEADSET_MUSIC_DELAY)) {
- mLimitRingtoneVolume = true;
- } else {
- mLimitRingtoneVolume = false;
- }
-}
-
-void AudioPolicyManager::setForceUse(AudioSystem::force_use usage, AudioSystem::forced_config config)
-{
- ALOGD("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 &&
-#ifdef AUDIO_EXTN_FM_ENABLED
- config != AudioSystem::FORCE_SPEAKER &&
-#endif
- 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 (int 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());
- }
- }
-
-}
-
-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);
-
- ALOGD("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;
- }
-
-
- 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);
- ALOGD("getInput() returns input %d", input);
-
- return input;
-}
-
-AudioPolicyManager::routing_strategy AudioPolicyManager::getStrategy(AudioSystem::stream_type stream)
-{
- // stream to strategy mapping
- switch (stream) {
- case AudioSystem::VOICE_CALL:
- case AudioSystem::BLUETOOTH_SCO:
- return STRATEGY_PHONE;
- case AudioSystem::RING:
- case AudioSystem::ALARM:
- return STRATEGY_SONIFICATION;
- case AudioSystem::NOTIFICATION:
- return STRATEGY_SONIFICATION_RESPECTFUL;
- case AudioSystem::DTMF:
- return STRATEGY_DTMF;
- default:
- ALOGE("unknown stream type");
- case AudioSystem::SYSTEM:
- // NOTE: SYSTEM stream uses MEDIA strategy because muting music and switching outputs
- // while key clicks are played produces a poor result
- case AudioSystem::TTS:
- case AudioSystem::MUSIC:
-#ifdef AUDIO_EXTN_INCALL_MUSIC_ENABLED
- case AudioSystem::INCALL_MUSIC:
-#endif
- return STRATEGY_MEDIA;
- case AudioSystem::ENFORCED_AUDIBLE:
- return STRATEGY_ENFORCED_AUDIBLE;
- }
-}
-
-audio_devices_t AudioPolicyManager::getDeviceForStrategy(routing_strategy strategy,
- bool fromCache)
-{
- uint32_t device = AUDIO_DEVICE_NONE;
-
- if (fromCache) {
- ALOGVV("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 (isStreamActiveRemotely(AudioSystem::MUSIC,
- SONIFICATION_RESPECTFUL_AFTER_MUSIC_DELAY)) {
- // while media is playing on a remote device, use the the sonification behavior.
- // Note that we test this usecase before testing if media is playing because
- // the isStreamActive() method only informs about the activity of a stream, not
- // if it's for local playback. Note also that we use the same delay between both tests
- 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 & AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT;
- if (device) break;
- }
- device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET;
- if (device) break;
- device = mAvailableOutputDevices & AUDIO_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 & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP;
- if (device) break;
- device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES;
- if (device) break;
- }
- device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_WIRED_HEADPHONE;
- if (device) break;
- device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_WIRED_HEADSET;
- if (device) break;
- if (mPhoneState != AudioSystem::MODE_IN_CALL) {
- device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_USB_ACCESSORY;
- if (device) break;
- device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_USB_DEVICE;
- if (device) break;
- device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET;
- if (device) break;
- device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_AUX_DIGITAL;
- if (device) break;
- }
-
- // Allow voice call on USB ANLG DOCK headset
- device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET;
- if (device) break;
-
- device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_EARPIECE;
- if (device) break;
- device = mDefaultOutputDevice;
- if (device == AUDIO_DEVICE_NONE) {
- 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 & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER;
- if (device) break;
- }
- if (mPhoneState != AudioSystem::MODE_IN_CALL) {
- device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_USB_ACCESSORY;
- if (device) break;
- device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_USB_DEVICE;
- if (device) break;
- device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET;
- if (device) break;
- device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_AUX_DIGITAL;
- if (device) break;
- device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET;
- if (device) break;
- }
- device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_SPEAKER;
- if (device) break;
- device = mDefaultOutputDevice;
- if (device == AUDIO_DEVICE_NONE) {
- ALOGE("getDeviceForStrategy() no device found for STRATEGY_PHONE, FORCE_SPEAKER");
- }
- break;
- }
- // FIXME: Why do need to replace with speaker? If voice call is active
- // We should use device from STRATEGY_PHONE
-#ifdef AUDIO_EXTN_FM_ENABLED
- if (mAvailableOutputDevices & AUDIO_DEVICE_OUT_FM) {
- if (mForceUse[AudioSystem::FOR_MEDIA] == AudioSystem::FORCE_SPEAKER) {
- device = AUDIO_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) ||
- (mForceUse[AudioSystem::FOR_SYSTEM] == AudioSystem::FORCE_SYSTEM_ENFORCED)) {
- device = mAvailableOutputDevices & AUDIO_DEVICE_OUT_SPEAKER;
- if (device == AUDIO_DEVICE_NONE) {
- 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: {
- uint32_t device2 = AUDIO_DEVICE_NONE;
-
- if (isInCall() && (device == AUDIO_DEVICE_NONE)) {
- // when in call, get the device for Phone strategy
- device = getDeviceForStrategy(STRATEGY_PHONE, false /*fromCache*/);
- break;
- }
-#ifdef AUDIO_EXTN_FM_ENABLED
- if (mForceUse[AudioSystem::FOR_MEDIA] == AudioSystem::FORCE_SPEAKER) {
- device = AUDIO_DEVICE_OUT_SPEAKER;
- break;
- }
-#endif
-
- if (strategy != STRATEGY_SONIFICATION) {
- // no sonification on remote submix (e.g. WFD)
- device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_REMOTE_SUBMIX;
- }
- if ((device2 == AUDIO_DEVICE_NONE) &&
- mHasA2dp && (mForceUse[AudioSystem::FOR_MEDIA] != AudioSystem::FORCE_NO_BT_A2DP) &&
- (getA2dpOutput() != 0) && !mA2dpSuspended) {
- device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP;
- if (device2 == AUDIO_DEVICE_NONE) {
- device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES;
- }
- if (device2 == AUDIO_DEVICE_NONE) {
- device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER;
- }
- }
- if (device2 == AUDIO_DEVICE_NONE) {
- device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_WIRED_HEADPHONE;
- }
- if (device2 == AUDIO_DEVICE_NONE) {
- device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_WIRED_HEADSET;
- }
- if (device2 == AUDIO_DEVICE_NONE) {
- device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_USB_ACCESSORY;
- }
- if (device2 == AUDIO_DEVICE_NONE) {
- device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_USB_DEVICE;
- }
- if (device2 == AUDIO_DEVICE_NONE) {
- device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET;
- }
- if ((strategy != STRATEGY_SONIFICATION) && (device == AUDIO_DEVICE_NONE)
- && (device2 == AUDIO_DEVICE_NONE)) {
- // no sonification on aux digital (e.g. HDMI)
- device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_AUX_DIGITAL;
- }
- if ((device2 == AUDIO_DEVICE_NONE) &&
- (mForceUse[AudioSystem::FOR_DOCK] == AudioSystem::FORCE_ANALOG_DOCK)
- && (strategy != STRATEGY_SONIFICATION)) {
- device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET;
- }
-#ifdef AUDIO_EXTN_FM_ENABLED
- if ((strategy != STRATEGY_SONIFICATION) && (device == AUDIO_DEVICE_NONE)
- && (device2 == AUDIO_DEVICE_NONE)) {
- device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_FM_TX;
- }
-#endif
-#ifdef AUDIO_EXTN_AFE_PROXY_ENABLED
- if ((strategy != STRATEGY_SONIFICATION) && (device == AUDIO_DEVICE_NONE)
- && (device2 == AUDIO_DEVICE_NONE)) {
- // no sonification on WFD sink
- device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_PROXY;
- }
-#endif
- if (device2 == AUDIO_DEVICE_NONE) {
- device2 = mAvailableOutputDevices & AUDIO_DEVICE_OUT_SPEAKER;
- }
-
- // device is DEVICE_OUT_SPEAKER if we come from case STRATEGY_SONIFICATION or
- // STRATEGY_ENFORCED_AUDIBLE, AUDIO_DEVICE_NONE otherwise
- device |= device2;
- if (device) break;
- device = mDefaultOutputDevice;
- if (device == AUDIO_DEVICE_NONE) {
- ALOGE("getDeviceForStrategy() no device found for STRATEGY_MEDIA");
- }
- } break;
-
- default:
- ALOGW("getDeviceForStrategy() unknown strategy: %d", strategy);
- break;
- }
-
- ALOGVV("getDeviceForStrategy() strategy %d, device %x", strategy, device);
- return device;
-}
-
-audio_devices_t AudioPolicyManager::getDeviceForInputSource(int inputSource)
-{
- uint32_t device = AUDIO_DEVICE_NONE;
-
- switch (inputSource) {
- case AUDIO_SOURCE_VOICE_UPLINK:
- if (mAvailableInputDevices & AUDIO_DEVICE_IN_VOICE_CALL) {
- device = AUDIO_DEVICE_IN_VOICE_CALL;
- break;
- }
- // FALL THROUGH
-
- case AUDIO_SOURCE_DEFAULT:
- case AUDIO_SOURCE_MIC:
- case AUDIO_SOURCE_VOICE_RECOGNITION:
- case AUDIO_SOURCE_HOTWORD:
- case AUDIO_SOURCE_VOICE_COMMUNICATION:
- 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_ANLG_DOCK_HEADSET) {
- device = AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET;
- } else if (mAvailableInputDevices & AUDIO_DEVICE_IN_BUILTIN_MIC) {
- device = AUDIO_DEVICE_IN_BUILTIN_MIC;
- }
- 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_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 AUDIO_EXTN_FM_ENABLED
- case AUDIO_SOURCE_FM_RX:
- device = AUDIO_DEVICE_IN_FM_RX;
- break;
- case AUDIO_SOURCE_FM_RX_A2DP:
- device = AUDIO_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;
-}
-
-AudioPolicyManager::device_category AudioPolicyManager::getDeviceCategory(audio_devices_t device)
-{
- switch(getDeviceForVolume(device)) {
- case AUDIO_DEVICE_OUT_EARPIECE:
- return DEVICE_CATEGORY_EARPIECE;
- case AUDIO_DEVICE_OUT_WIRED_HEADSET:
- case AUDIO_DEVICE_OUT_WIRED_HEADPHONE:
- case AUDIO_DEVICE_OUT_BLUETOOTH_SCO:
- case AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET:
- case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP:
- case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES:
-#ifdef AUDIO_EXTN_FM_ENABLED
- case AUDIO_DEVICE_OUT_FM:
-#endif
- return DEVICE_CATEGORY_HEADSET;
- case AUDIO_DEVICE_OUT_SPEAKER:
- case AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT:
- case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER:
- case AUDIO_DEVICE_OUT_AUX_DIGITAL:
- case AUDIO_DEVICE_OUT_USB_ACCESSORY:
- case AUDIO_DEVICE_OUT_USB_DEVICE:
- case AUDIO_DEVICE_OUT_REMOTE_SUBMIX:
-#ifdef AUDIO_EXTN_AFE_PROXY_ENABLED
- case AUDIO_DEVICE_OUT_PROXY:
-#endif
- default:
- return DEVICE_CATEGORY_SPEAKER;
- }
-}
-
-bool AudioPolicyManager::isDirectOutput(audio_io_handle_t 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->mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) {
- return true;
- }
- }
- return false;
-}
-
-status_t AudioPolicyManager::checkAndSetVolume(int stream,
- int index,
- audio_io_handle_t output,
- audio_devices_t device,
- int delayMs,
- bool force)
-{
- ALOGV("checkAndSetVolume: index %d output %d device %x", index, output, device);
- // 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] ||
- force) {
- mOutputs.valueFor(output)->mCurVolume[stream] = volume;
- ALOGV("checkAndSetVolume() for output %d stream %d, volume %f, delay %d", output, stream, volume, delayMs);
- // Force VOICE_CALL to track BLUETOOTH_SCO stream volume when bluetooth audio is
- // enabled
- if (stream == AudioSystem::BLUETOOTH_SCO) {
- mpClientInterface->setStreamVolume(AudioSystem::VOICE_CALL, volume, output, delayMs);
-#ifdef AUDIO_EXTN_FM_ENABLED
- } else if (stream == AudioSystem::MUSIC &&
- output == mPrimaryOutput) {
- float fmVolume = -1.0;
- fmVolume = computeVolume(stream, index, output, device);
- if (fmVolume >= 0) {
- AudioParameter param = AudioParameter();
- param.addFloat(String8("fm_volume"), fmVolume);
- ALOGV("checkAndSetVolume setParameters fm_volume, volume=:%f delay=:%d",fmVolume,delayMs*2);
- //Double delayMs to avoid sound burst while device switch.
- mpClientInterface->setParameters(mPrimaryOutput, param.toString(), delayMs*2);
- }
-#endif
- }
- mpClientInterface->setStreamVolume((AudioSystem::stream_type)stream, volume, output, delayMs);
- }
-
- if (stream == AudioSystem::VOICE_CALL ||
- stream == AudioSystem::BLUETOOTH_SCO) {
- float voiceVolume;
-
- if (stream == AudioSystem::VOICE_CALL)
- voiceVolume = (float)index/(float)mStreams[stream].mIndexMax;
- else
- // Force voice volume to max for bluetooth SCO as volume is managed by the headset
- voiceVolume = 1.0;
-
- if (voiceVolume != mLastVoiceVolume && ((output == mPrimaryOutput) ||
- isDirectOutput(output))) {
- mpClientInterface->setVoiceVolume(voiceVolume, delayMs);
- mLastVoiceVolume = voiceVolume;
- }
- }
-
- return NO_ERROR;
-}
-
-
-float AudioPolicyManager::computeVolume(int stream,
- int index,
- audio_io_handle_t output,
- audio_devices_t device)
-{
- float volume = 1.0;
- AudioOutputDescriptor *outputDesc = mOutputs.valueFor(output);
-
- if (device == AUDIO_DEVICE_NONE) {
- device = outputDesc->device();
- }
-
- // if volume is not 0 (not muted), force media volume to max on digital output
- if (stream == AudioSystem::MUSIC &&
- index != mStreams[stream].mIndexMin &&
- (device == AUDIO_DEVICE_OUT_AUX_DIGITAL ||
- device == AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET ||
- device == AUDIO_DEVICE_OUT_USB_ACCESSORY ||
-#ifdef AUDIO_EXTN_AFE_PROXY_ENABLED
- device == AUDIO_DEVICE_OUT_PROXY ||
-#endif
- device == AUDIO_DEVICE_OUT_USB_DEVICE )) {
- return 1.0;
- }
-#ifdef AUDIO_EXTN_INCALL_MUSIC_ENABLED
- if (stream == AudioSystem::INCALL_MUSIC) {
- return 1.0;
- }
-#endif
- return AudioPolicyManagerBase::computeVolume(stream, index, output, device);
-}
-
// This function checks for the parameters which can be offloaded.
// This can be enhanced depending on the capability of the DSP and policy
// of the system.
-bool AudioPolicyManager::isOffloadSupported(const audio_offload_info_t& offloadInfo)
+bool AudioPolicyManagerCustom::isOffloadSupported(const audio_offload_info_t& offloadInfo)
{
- ALOGV(" isOffloadSupported: SR=%u, CM=0x%x, Format=0x%x, StreamType=%d,"
- " BitRate=%u, duration=%lld us, has_video=%d",
+ ALOGV("isOffloadSupported: SR=%u, CM=0x%x, Format=0x%x, StreamType=%d,"
+ " BitRate=%u, duration=%" PRId64 " us, has_video=%d",
offloadInfo.sample_rate, offloadInfo.channel_mask,
offloadInfo.format,
offloadInfo.stream_type, offloadInfo.bit_rate, offloadInfo.duration_us,
offloadInfo.has_video);
-#ifdef VOICE_CONCURRENCY
- if(isInCall())
- {
- ALOGD("\n blocking compress offload on call mode\n");
- return false;
+ // Check if offload has been disabled
+ char propValue[PROPERTY_VALUE_MAX];
+ if (property_get("audio.offload.disable", propValue, "0")) {
+ if (atoi(propValue) != 0) {
+ ALOGV("offload disabled by audio.offload.disable=%s", propValue );
+ return false;
+ }
}
-#endif
+
// Check if stream type is music, then only allow offload as of now.
if (offloadInfo.stream_type != AUDIO_STREAM_MUSIC)
{
ALOGV("isOffloadSupported: stream_type != MUSIC, returning false");
return false;
}
-
- char propValue[PROPERTY_VALUE_MAX];
- bool pcmOffload = false;
- if (audio_is_offload_pcm(offloadInfo.format)) {
- if(property_get("audio.offload.pcm.enable", propValue, NULL)) {
- bool prop_enabled = atoi(propValue) || !strncmp("true", propValue, 4);
- if (prop_enabled) {
- ALOGW("PCM offload property is enabled");
- pcmOffload = true;
- }
- }
- if (!pcmOffload) {
- ALOGV("PCM offload disabled by property audio.offload.pcm.enable");
- return false;
- }
+ //check if it's multi-channel AAC (includes sub formats) and FLAC format
+ if ((popcount(offloadInfo.channel_mask) > 2) &&
+ (((offloadInfo.format & AUDIO_FORMAT_MAIN_MASK) == AUDIO_FORMAT_AAC) ||
+ ((offloadInfo.format & AUDIO_FORMAT_MAIN_MASK) == AUDIO_FORMAT_FLAC)||
+ ((offloadInfo.format & AUDIO_FORMAT_MAIN_MASK) == AUDIO_FORMAT_VORBIS))) {
+ ALOGD("offload disabled for multi-channel AAC,FLAC and VORBIS format");
+ return false;
}
- if (!pcmOffload) {
- // Check if offload has been disabled
- if (property_get("audio.offload.disable", propValue, "0")) {
- if (atoi(propValue) != 0) {
- ALOGV("offload disabled by audio.offload.disable=%s", propValue );
- return false;
- }
- }
-
- //check if it's multi-channel AAC format
- if (AudioSystem::popCount(offloadInfo.channel_mask) > 2
- && offloadInfo.format == AUDIO_FORMAT_AAC) {
- ALOGV("offload disabled for multi-channel AAC format");
- return false;
- }
-
- if (offloadInfo.has_video)
- {
- if(property_get("av.offload.enable", propValue, NULL)) {
- bool prop_enabled = atoi(propValue) || !strncmp("true", propValue, 4);
- if (!prop_enabled) {
- ALOGW("offload disabled by av.offload.enable = %s ", propValue );
- return false;
- }
- } else {
- return false;
- }
-
- if(offloadInfo.is_streaming) {
- if (property_get("av.streaming.offload.enable", propValue, NULL)) {
- bool prop_enabled = atoi(propValue) || !strncmp("true", propValue, 4);
- if (!prop_enabled) {
- ALOGW("offload disabled by av.streaming.offload.enable = %s ", propValue );
- return false;
- }
- } else {
- //Do not offload AV streamnig if the property is not defined
- return false;
- }
- }
- ALOGV("isOffloadSupported: has_video == true, property\
- set to enable offload");
- }
+ //TODO: enable audio offloading with video when ready
+ const bool allowOffloadWithVideo =
+ property_get_bool("audio.offload.video", false /* default_value */);
+ if (offloadInfo.has_video && !allowOffloadWithVideo) {
+ ALOGV("isOffloadSupported: has_video == true, returning false");
+ return false;
}
//If duration is less than minimum value defined in property, return false
@@ -1135,10 +338,18 @@
}
} else if (offloadInfo.duration_us < OFFLOAD_DEFAULT_MIN_DURATION_SECS * 1000000) {
ALOGV("Offload denied by duration < default min(=%u)", OFFLOAD_DEFAULT_MIN_DURATION_SECS);
- //duration checks only valid for MP3/AAC formats,
+ //duration checks only valid for MP3/AAC/ formats,
//do not check duration for other audio formats, e.g. dolby AAC/AC3 and amrwb+ formats
- if (offloadInfo.format == AUDIO_FORMAT_MP3 || offloadInfo.format == AUDIO_FORMAT_AAC || pcmOffload)
+ if ((offloadInfo.format == AUDIO_FORMAT_MP3) ||
+ ((offloadInfo.format & AUDIO_FORMAT_MAIN_MASK) == AUDIO_FORMAT_AAC) ||
+ ((offloadInfo.format & AUDIO_FORMAT_MAIN_MASK) == AUDIO_FORMAT_FLAC) ||
+ ((offloadInfo.format & AUDIO_FORMAT_MAIN_MASK) == AUDIO_FORMAT_VORBIS) ||
+ ((offloadInfo.format & AUDIO_FORMAT_MAIN_MASK) == AUDIO_FORMAT_WMA) ||
+ ((offloadInfo.format & AUDIO_FORMAT_MAIN_MASK) == AUDIO_FORMAT_WMA_PRO) ||
+ ((offloadInfo.format & AUDIO_FORMAT_MAIN_MASK) == AUDIO_FORMAT_ALAC) ||
+ ((offloadInfo.format & AUDIO_FORMAT_MAIN_MASK) == AUDIO_FORMAT_APE))
return false;
+
}
// Do not allow offloading if one non offloadable effect is enabled. This prevents from
@@ -1147,29 +358,722 @@
// FIXME: We should check the audio session here but we do not have it in this context.
// This may prevent offloading in rare situations where effects are left active by apps
// in the background.
- if (isNonOffloadableEffectEnabled()) {
+ if (mEffects.isNonOffloadableEffectEnabled()) {
return false;
}
-
+ // Check for soundcard status
+ String8 valueStr = mpClientInterface->getParameters((audio_io_handle_t)0,
+ String8("SND_CARD_STATUS"));
+ AudioParameter result = AudioParameter(valueStr);
+ int isonline = 0;
+ if ((result.getInt(String8("SND_CARD_STATUS"), isonline) == NO_ERROR)
+ && !isonline) {
+ ALOGD("copl: soundcard is offline rejecting offload request");
+ return false;
+ }
// See if there is a profile to support this.
// AUDIO_DEVICE_NONE
- IOProfile *profile = getProfileForDirectOutput(AUDIO_DEVICE_NONE /*ignore device */,
+ sp<IOProfile> profile = getProfileForDirectOutput(AUDIO_DEVICE_NONE /*ignore device */,
offloadInfo.sample_rate,
offloadInfo.format,
offloadInfo.channel_mask,
AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD);
- ALOGV("isOffloadSupported() profile %sfound", profile != NULL ? "" : "NOT ");
- return (profile != NULL);
+ ALOGV("isOffloadSupported() profile %sfound", profile != 0 ? "" : "NOT ");
+ return (profile != 0);
}
-
-extern "C" AudioPolicyInterface* createAudioPolicyManager(AudioPolicyClientInterface *clientInterface)
+audio_devices_t AudioPolicyManagerCustom::getNewOutputDevice(const sp<AudioOutputDescriptor>& outputDesc,
+ bool fromCache)
{
- return new AudioPolicyManager(clientInterface);
-}
+ audio_devices_t device = AUDIO_DEVICE_NONE;
-extern "C" void destroyAudioPolicyManager(AudioPolicyInterface *interface)
+ ssize_t index = mAudioPatches.indexOfKey(outputDesc->mPatchHandle);
+ if (index >= 0) {
+ sp<AudioPatch> patchDesc = mAudioPatches.valueAt(index);
+ if (patchDesc->mUid != mUidCached) {
+ ALOGV("getNewOutputDevice() device %08x forced by patch %d",
+ outputDesc->device(), outputDesc->mPatchHandle);
+ return outputDesc->device();
+ }
+ }
+
+ // check the following by order of priority to request a routing change if necessary:
+ // 1: the strategy enforced audible is active and enforced on the output:
+ // use device for strategy enforced audible
+ // 2: we are in call or the strategy phone is active on the output:
+ // use device for strategy phone
+ // 3: the strategy for enforced audible is active but not enforced on the output:
+ // use the device for strategy enforced audible
+ // 4: the strategy sonification is active on the output:
+ // use device for strategy sonification
+ // 5: the strategy "respectful" sonification is active on the output:
+ // use device for strategy "respectful" sonification
+ // 6: the strategy accessibility is active on the output:
+ // use device for strategy accessibility
+ // 7: the strategy media is active on the output:
+ // use device for strategy media
+ // 8: the strategy DTMF is active on the output:
+ // use device for strategy DTMF
+ // 9: the strategy for beacon, a.k.a. "transmitted through speaker" is active on the output:
+ // use device for strategy t-t-s
+ if (isStrategyActive(outputDesc, STRATEGY_ENFORCED_AUDIBLE) &&
+ mEngine->getForceUse(AUDIO_POLICY_FORCE_FOR_SYSTEM) == AUDIO_POLICY_FORCE_SYSTEM_ENFORCED) {
+ device = getDeviceForStrategy(STRATEGY_ENFORCED_AUDIBLE, fromCache);
+ } else if (isInCall() ||
+ isStrategyActive(outputDesc, STRATEGY_PHONE)||
+ isStrategyActive(mPrimaryOutput, STRATEGY_PHONE)) {
+ device = getDeviceForStrategy(STRATEGY_PHONE, fromCache);
+ } else if (isStrategyActive(outputDesc, STRATEGY_ENFORCED_AUDIBLE)) {
+ device = getDeviceForStrategy(STRATEGY_ENFORCED_AUDIBLE, fromCache);
+ } else if (isStrategyActive(outputDesc, STRATEGY_SONIFICATION)||
+ (isStrategyActive(mPrimaryOutput,STRATEGY_SONIFICATION)
+ && (!isStrategyActive(mPrimaryOutput,STRATEGY_MEDIA)))) {
+ device = getDeviceForStrategy(STRATEGY_SONIFICATION, fromCache);
+ } else if (isStrategyActive(outputDesc, STRATEGY_SONIFICATION_RESPECTFUL)||
+ (isStrategyActive(mPrimaryOutput,STRATEGY_SONIFICATION_RESPECTFUL)
+ && (!isStrategyActive(mPrimaryOutput, STRATEGY_MEDIA)))) {
+ device = getDeviceForStrategy(STRATEGY_SONIFICATION_RESPECTFUL, fromCache);
+ } else if (isStrategyActive(outputDesc, STRATEGY_ACCESSIBILITY)) {
+ device = getDeviceForStrategy(STRATEGY_ACCESSIBILITY, fromCache);
+ } else if (isStrategyActive(outputDesc, STRATEGY_MEDIA)) {
+ device = getDeviceForStrategy(STRATEGY_MEDIA, fromCache);
+ } else if (isStrategyActive(outputDesc, STRATEGY_DTMF)) {
+ device = getDeviceForStrategy(STRATEGY_DTMF, fromCache);
+ } else if (isStrategyActive(outputDesc, STRATEGY_TRANSMITTED_THROUGH_SPEAKER)) {
+ device = getDeviceForStrategy(STRATEGY_TRANSMITTED_THROUGH_SPEAKER, fromCache);
+ } else if (isStrategyActive(outputDesc, STRATEGY_REROUTING)) {
+ device = getDeviceForStrategy(STRATEGY_REROUTING, fromCache);
+ }
+
+ ALOGV("getNewOutputDevice() selected device %x", device);
+ return device;
+}
+void AudioPolicyManagerCustom::setPhoneState(audio_mode_t state)
{
- delete interface;
-}
+ ALOGV("setPhoneState() state %d", state);
+ // store previous phone state for management of sonification strategy below
+ int oldState = mEngine->getPhoneState();
-}; // namespace android
+ if (mEngine->setPhoneState(state) != NO_ERROR) {
+ ALOGW("setPhoneState() invalid or same state %d", state);
+ return;
+ }
+ /// Opens: can these line be executed after the switch of volume curves???
+ // if leaving call state, handle special case of active streams
+ // pertaining to sonification strategy see handleIncallSonification()
+ if (isInCall()) {
+ ALOGV("setPhoneState() in call state management: new state is %d", state);
+ for (size_t j = 0; j < mOutputs.size(); j++) {
+ audio_io_handle_t curOutput = mOutputs.keyAt(j);
+ for (int stream = 0; stream < AUDIO_STREAM_CNT; stream++) {
+ if (stream == AUDIO_STREAM_PATCH) {
+ continue;
+ }
+
+ handleIncallSonification((audio_stream_type_t)stream, false, true, curOutput);
+ }
+ }
+
+ // force reevaluating accessibility routing when call starts
+ mpClientInterface->invalidateStream(AUDIO_STREAM_ACCESSIBILITY);
+ }
+
+ /**
+ * Switching to or from incall state or switching between telephony and VoIP lead to force
+ * routing command.
+ */
+ bool force = ((is_state_in_call(oldState) != is_state_in_call(state))
+ || (is_state_in_call(state) && (state != oldState)));
+
+ // check for device and output changes triggered by new phone state
+ checkA2dpSuspend();
+ checkOutputForAllStrategies();
+ updateDevicesAndOutputs();
+
+ sp<SwAudioOutputDescriptor> hwOutputDesc = mPrimaryOutput;
+
+ int delayMs = 0;
+ if (isStateInCall(state)) {
+ nsecs_t sysTime = systemTime();
+ for (size_t i = 0; i < mOutputs.size(); i++) {
+ sp<SwAudioOutputDescriptor> desc = mOutputs.valueAt(i);
+ // mute media and sonification strategies and delay device switch by the largest
+ // latency of any output where either strategy is active.
+ // This avoid sending the ring tone or music tail into the earpiece or headset.
+ if ((isStrategyActive(desc, STRATEGY_MEDIA,
+ SONIFICATION_HEADSET_MUSIC_DELAY,
+ sysTime) ||
+ isStrategyActive(desc, STRATEGY_SONIFICATION,
+ SONIFICATION_HEADSET_MUSIC_DELAY,
+ sysTime)) &&
+ (delayMs < (int)desc->latency()*2)) {
+ delayMs = desc->latency()*2;
+ }
+ setStrategyMute(STRATEGY_MEDIA, true, desc);
+ setStrategyMute(STRATEGY_MEDIA, false, desc, MUTE_TIME_MS,
+ getDeviceForStrategy(STRATEGY_MEDIA, true /*fromCache*/));
+ setStrategyMute(STRATEGY_SONIFICATION, true, desc);
+ setStrategyMute(STRATEGY_SONIFICATION, false, desc, MUTE_TIME_MS,
+ getDeviceForStrategy(STRATEGY_SONIFICATION, true /*fromCache*/));
+ }
+ ALOGV("Setting the delay from %dms to %dms", delayMs,
+ MIN(delayMs, MAX_VOICE_CALL_START_DELAY_MS));
+ delayMs = MIN(delayMs, MAX_VOICE_CALL_START_DELAY_MS);
+ }
+
+ if (hasPrimaryOutput()) {
+ // Note that despite the fact that getNewOutputDevice() is called on the primary output,
+ // the device returned is not necessarily reachable via this output
+ audio_devices_t rxDevice = getNewOutputDevice(mPrimaryOutput, false /*fromCache*/);
+ // force routing command to audio hardware when ending call
+ // even if no device change is needed
+ if (isStateInCall(oldState) && rxDevice == AUDIO_DEVICE_NONE) {
+ rxDevice = mPrimaryOutput->device();
+ }
+
+ if (state == AUDIO_MODE_IN_CALL) {
+ updateCallRouting(rxDevice, delayMs);
+ } else if (oldState == AUDIO_MODE_IN_CALL) {
+ if (mCallRxPatch != 0) {
+ mpClientInterface->releaseAudioPatch(mCallRxPatch->mAfPatchHandle, 0);
+ mCallRxPatch.clear();
+ }
+ if (mCallTxPatch != 0) {
+ mpClientInterface->releaseAudioPatch(mCallTxPatch->mAfPatchHandle, 0);
+ mCallTxPatch.clear();
+ }
+ setOutputDevice(mPrimaryOutput, rxDevice, force, 0);
+ } else {
+ setOutputDevice(mPrimaryOutput, rxDevice, force, 0);
+ }
+ }
+
+ // if entering in call state, handle special case of active streams
+ // pertaining to sonification strategy see handleIncallSonification()
+ if (isStateInCall(state)) {
+ ALOGV("setPhoneState() in call state management: new state is %d", state);
+ for (size_t j = 0; j < mOutputs.size(); j++) {
+ audio_io_handle_t curOutput = mOutputs.keyAt(j);
+ for (int stream = 0; stream < AUDIO_STREAM_CNT; stream++) {
+ if (stream == AUDIO_STREAM_PATCH) {
+ continue;
+ }
+ handleIncallSonification((audio_stream_type_t)stream, true, true, curOutput);
+ }
+ }
+ }
+
+ // Flag that ringtone volume must be limited to music volume until we exit MODE_RINGTONE
+ if (state == AUDIO_MODE_RINGTONE &&
+ isStreamActive(AUDIO_STREAM_MUSIC, SONIFICATION_HEADSET_MUSIC_DELAY)) {
+ mLimitRingtoneVolume = true;
+ } else {
+ mLimitRingtoneVolume = false;
+ }
+}
+status_t AudioPolicyManagerCustom::stopSource(sp<SwAudioOutputDescriptor> outputDesc,
+ audio_stream_type_t stream,
+ bool forceDeviceUpdate)
+{
+ // always handle stream stop, check which stream type is stopping
+ handleEventForBeacon(stream == AUDIO_STREAM_TTS ? STOPPING_BEACON : STOPPING_OUTPUT);
+
+ // handle special case for sonification while in call
+ if (isInCall()) {
+ if (outputDesc->isDuplicated()) {
+ handleIncallSonification(stream, false, false, outputDesc->mIoHandle);
+ handleIncallSonification(stream, false, false, outputDesc->mIoHandle);
+ }
+ handleIncallSonification(stream, false, false, outputDesc->mIoHandle);
+ }
+
+ 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 || forceDeviceUpdate) {
+ outputDesc->mStopTime[stream] = systemTime();
+ audio_devices_t newDevice = getNewOutputDevice(outputDesc, 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(outputDesc, newDevice, false, outputDesc->latency()*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);
+ sp<AudioOutputDescriptor> desc = mOutputs.valueAt(i);
+ if (desc != outputDesc &&
+ desc->isActive() &&
+ outputDesc->sharesHwModuleWith(desc) &&
+ (newDevice != desc->device())) {
+ setOutputDevice(desc,
+ getNewOutputDevice(desc, false /*fromCache*/),
+ true,
+ outputDesc->latency()*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");
+ return INVALID_OPERATION;
+ }
+}
+status_t AudioPolicyManagerCustom::startSource(sp<SwAudioOutputDescriptor> outputDesc,
+ audio_stream_type_t stream,
+ audio_devices_t device,
+ uint32_t *delayMs)
+{
+ // cannot start playback of STREAM_TTS if any other output is being used
+ uint32_t beaconMuteLatency = 0;
+
+ *delayMs = 0;
+ if (stream == AUDIO_STREAM_TTS) {
+ ALOGV("\t found BEACON stream");
+ if (mOutputs.isAnyOutputActive(AUDIO_STREAM_TTS /*streamToIgnore*/)) {
+ return INVALID_OPERATION;
+ } else {
+ beaconMuteLatency = handleEventForBeacon(STARTING_BEACON);
+ }
+ } else {
+ // some playback other than beacon starts
+ beaconMuteLatency = handleEventForBeacon(STARTING_OUTPUT);
+ }
+
+ // 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 || device != AUDIO_DEVICE_NONE) {
+ // starting an output being rerouted?
+ if (device == AUDIO_DEVICE_NONE) {
+ device = getNewOutputDevice(outputDesc, false /*fromCache*/);
+ }
+ routing_strategy strategy = getStrategy(stream);
+ bool shouldWait = (strategy == STRATEGY_SONIFICATION) ||
+ (strategy == STRATEGY_SONIFICATION_RESPECTFUL) ||
+ (beaconMuteLatency > 0);
+ uint32_t waitMs = beaconMuteLatency;
+ bool force = false;
+ for (size_t i = 0; i < mOutputs.size(); i++) {
+ sp<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() != device) {
+ force = true;
+ }
+ // wait for audio on other active outputs to be presented when starting
+ // a notification so that audio focus effect can propagate, or that a mute/unmute
+ // event occurred for beacon
+ uint32_t latency = desc->latency();
+ if (shouldWait && desc->isActive(latency * 2) && (waitMs < latency)) {
+ waitMs = latency;
+ }
+ }
+ }
+ uint32_t muteWaitMs = setOutputDevice(outputDesc, device, force);
+
+ // handle special case for sonification while in call
+ if (isInCall()) {
+ handleIncallSonification(stream, true, false, outputDesc->mIoHandle);
+ }
+
+ // apply volume rules for current stream and device if necessary
+ checkAndSetVolume(stream,
+ mStreams.valueFor(stream).getVolumeIndex(device),
+ outputDesc,
+ device);
+
+ // update the outputs if starting an output with a stream that can affect notification
+ // routing
+ handleNotificationRoutingForStream(stream);
+
+ // force reevaluating accessibility routing when ringtone or alarm starts
+ if (strategy == STRATEGY_SONIFICATION) {
+ mpClientInterface->invalidateStream(AUDIO_STREAM_ACCESSIBILITY);
+ }
+ }
+ else {
+ // handle special case for sonification while in call
+ if (isInCall()) {
+ handleIncallSonification(stream, true, false, outputDesc->mIoHandle);
+ }
+ }
+ return NO_ERROR;
+}
+void AudioPolicyManagerCustom::handleIncallSonification(audio_stream_type_t stream,
+ bool starting, bool stateChange,
+ audio_io_handle_t output)
+{
+ if(!hasPrimaryOutput()) {
+ return;
+ }
+ // no action needed for AUDIO_STREAM_PATCH stream type, it's for internal flinger tracks
+ if (stream == AUDIO_STREAM_PATCH) {
+ return;
+ }
+ // if the stream pertains to sonification strategy and we are in call we must
+ // mute the stream if it is low visibility. If it is high visibility, we must play a tone
+ // in the device used for phone strategy and play the tone if the selected device does not
+ // interfere with the device used for phone strategy
+ // if stateChange is true, we are called from setPhoneState() and we must mute or unmute as
+ // many times as there are active tracks on the output
+ const routing_strategy stream_strategy = getStrategy(stream);
+ if ((stream_strategy == STRATEGY_SONIFICATION) ||
+ ((stream_strategy == STRATEGY_SONIFICATION_RESPECTFUL))) {
+ sp<SwAudioOutputDescriptor> outputDesc = mOutputs.valueFor(output);
+ ALOGV("handleIncallSonification() stream %d starting %d device %x stateChange %d",
+ stream, starting, outputDesc->mDevice, stateChange);
+ if (outputDesc->mRefCount[stream]) {
+ int muteCount = 1;
+ if (stateChange) {
+ muteCount = outputDesc->mRefCount[stream];
+ }
+ if (audio_is_low_visibility(stream)) {
+ ALOGV("handleIncallSonification() low visibility, muteCount %d", muteCount);
+ for (int i = 0; i < muteCount; i++) {
+ setStreamMute(stream, starting, outputDesc);
+ }
+ } else {
+ ALOGV("handleIncallSonification() high visibility");
+ if (outputDesc->device() &
+ getDeviceForStrategy(STRATEGY_PHONE, true /*fromCache*/)) {
+ ALOGV("handleIncallSonification() high visibility muted, muteCount %d", muteCount);
+ for (int i = 0; i < muteCount; i++) {
+ setStreamMute(stream, starting, outputDesc);
+ }
+ }
+ if (starting) {
+ mpClientInterface->startTone(AUDIO_POLICY_TONE_IN_CALL_NOTIFICATION,
+ AUDIO_STREAM_VOICE_CALL);
+ } else {
+ mpClientInterface->stopTone();
+ }
+ }
+ }
+ }
+}
+void AudioPolicyManagerCustom::handleNotificationRoutingForStream(audio_stream_type_t stream) {
+ switch(stream) {
+ case AUDIO_STREAM_MUSIC:
+ checkOutputForStrategy(STRATEGY_SONIFICATION_RESPECTFUL);
+ updateDevicesAndOutputs();
+ break;
+ default:
+ break;
+ }
+}
+status_t AudioPolicyManagerCustom::checkAndSetVolume(audio_stream_type_t stream,
+ int index,
+ const sp<SwAudioOutputDescriptor>& outputDesc,
+ audio_devices_t device,
+ int delayMs, bool force)
+{
+ // do not change actual stream volume if the stream is muted
+ if (outputDesc->mMuteCount[stream] != 0) {
+ ALOGVV("checkAndSetVolume() stream %d muted count %d",
+ stream, outputDesc->mMuteCount[stream]);
+ return NO_ERROR;
+ }
+ audio_policy_forced_cfg_t forceUseForComm =
+ mEngine->getForceUse(AUDIO_POLICY_FORCE_FOR_COMMUNICATION);
+ // do not change in call volume if bluetooth is connected and vice versa
+ if ((stream == AUDIO_STREAM_VOICE_CALL && forceUseForComm == AUDIO_POLICY_FORCE_BT_SCO) ||
+ (stream == AUDIO_STREAM_BLUETOOTH_SCO && forceUseForComm != AUDIO_POLICY_FORCE_BT_SCO)) {
+ ALOGV("checkAndSetVolume() cannot set stream %d volume with force use = %d for comm",
+ stream, forceUseForComm);
+ return INVALID_OPERATION;
+ }
+
+ if (device == AUDIO_DEVICE_NONE) {
+ device = outputDesc->device();
+ }
+
+ float volumeDb = computeVolume(stream, index, device);
+ if (outputDesc->isFixedVolume(device)) {
+ volumeDb = 0.0f;
+ }
+
+ outputDesc->setVolume(volumeDb, stream, device, delayMs, force);
+
+ if (stream == AUDIO_STREAM_VOICE_CALL ||
+ stream == AUDIO_STREAM_BLUETOOTH_SCO) {
+ float voiceVolume;
+ // Force voice volume to max for bluetooth SCO as volume is managed by the headset
+ if (stream == AUDIO_STREAM_VOICE_CALL) {
+ voiceVolume = (float)index/(float)mStreams.valueFor(stream).getVolumeIndexMax();
+ } else {
+ voiceVolume = 1.0;
+ }
+
+ if (voiceVolume != mLastVoiceVolume && ((outputDesc == mPrimaryOutput) ||
+ isDirectOutput(outputDesc->mIoHandle) || device & AUDIO_DEVICE_OUT_ALL_USB)) {
+ mpClientInterface->setVoiceVolume(voiceVolume, delayMs);
+ mLastVoiceVolume = voiceVolume;
+ }
+ }
+
+ return NO_ERROR;
+}
+bool AudioPolicyManagerCustom::isDirectOutput(audio_io_handle_t output) {
+ for (size_t i = 0; i < mOutputs.size(); i++) {
+ audio_io_handle_t curOutput = mOutputs.keyAt(i);
+ sp<SwAudioOutputDescriptor> desc = mOutputs.valueAt(i);
+ if ((curOutput == output) && (desc->mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) {
+ return true;
+ }
+ }
+ return false;
+}
+audio_io_handle_t AudioPolicyManagerCustom::getOutputForDevice(
+ audio_devices_t device,
+ audio_session_t session __unused,
+ audio_stream_type_t stream,
+ uint32_t samplingRate,
+ audio_format_t format,
+ audio_channel_mask_t channelMask,
+ audio_output_flags_t flags,
+ const audio_offload_info_t *offloadInfo)
+{
+ audio_io_handle_t output = AUDIO_IO_HANDLE_NONE;
+ uint32_t latency = 0;
+ status_t status;
+
+#ifdef AUDIO_POLICY_TEST
+ if (mCurOutput != 0) {
+ ALOGV("getOutput() test output mCurOutput %d, samplingRate %d, format %d, channelMask %x, mDirectOutput %d",
+ mCurOutput, mTestSamplingRate, mTestFormat, mTestChannels, mDirectOutput);
+
+ if (mTestOutputs[mCurOutput] == 0) {
+ ALOGV("getOutput() opening test output");
+ sp<AudioOutputDescriptor> outputDesc = new SwAudioOutputDescriptor(NULL,
+ mpClientInterface);
+ outputDesc->mDevice = mTestDevice;
+ outputDesc->mLatency = mTestLatencyMs;
+ outputDesc->mFlags =
+ (audio_output_flags_t)(mDirectOutput ? AUDIO_OUTPUT_FLAG_DIRECT : 0);
+ outputDesc->mRefCount[stream] = 0;
+ audio_config_t config = AUDIO_CONFIG_INITIALIZER;
+ config.sample_rate = mTestSamplingRate;
+ config.channel_mask = mTestChannels;
+ config.format = mTestFormat;
+ if (offloadInfo != NULL) {
+ config.offload_info = *offloadInfo;
+ }
+ status = mpClientInterface->openOutput(0,
+ &mTestOutputs[mCurOutput],
+ &config,
+ &outputDesc->mDevice,
+ String8(""),
+ &outputDesc->mLatency,
+ outputDesc->mFlags);
+ if (status == NO_ERROR) {
+ outputDesc->mSamplingRate = config.sample_rate;
+ outputDesc->mFormat = config.format;
+ outputDesc->mChannelMask = config.channel_mask;
+ AudioParameter outputCmd = AudioParameter();
+ outputCmd.addInt(String8("set_id"),mCurOutput);
+ mpClientInterface->setParameters(mTestOutputs[mCurOutput],outputCmd.toString());
+ addOutput(mTestOutputs[mCurOutput], outputDesc);
+ }
+ }
+ return mTestOutputs[mCurOutput];
+ }
+#endif //AUDIO_POLICY_TEST
+ if (((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) &&
+ (stream != AUDIO_STREAM_MUSIC)) {
+ // compress should not be used for non-music streams
+ ALOGE("Offloading only allowed with music stream");
+ return 0;
+ }
+ /*
+ * WFD audio routes back to target speaker when starting a ringtone playback.
+ * This is because primary output is reused for ringtone, so output device is
+ * updated based on SONIFICATION strategy for both ringtone and music playback.
+ * The same issue is not seen on remoted_submix HAL based WFD audio because
+ * primary output is not reused and a new output is created for ringtone playback.
+ * Issue is fixed by updating output flag to AUDIO_OUTPUT_FLAG_FAST when there is
+ * a non-music stream playback on WFD, so primary output is not reused for ringtone.
+ */
+ audio_devices_t availableOutputDeviceTypes = mAvailableOutputDevices.types();
+ if ((availableOutputDeviceTypes & AUDIO_DEVICE_OUT_PROXY)
+ && (stream != AUDIO_STREAM_MUSIC)) {
+ ALOGD("WFD audio: use OUTPUT_FLAG_FAST for non music stream. flags:%x", flags );
+ //For voip paths
+ if(flags & AUDIO_OUTPUT_FLAG_DIRECT)
+ flags = AUDIO_OUTPUT_FLAG_DIRECT;
+ else //route every thing else to ULL path
+ flags = AUDIO_OUTPUT_FLAG_FAST;
+ }
+ // open a direct output if required by specified parameters
+ //force direct flag if offload flag is set: offloading implies a direct output stream
+ // and all common behaviors are driven by checking only the direct flag
+ // this should normally be set appropriately in the policy configuration file
+ if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) {
+ flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_DIRECT);
+ }
+ if ((flags & AUDIO_OUTPUT_FLAG_HW_AV_SYNC) != 0) {
+ flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_DIRECT);
+ }
+ // only allow deep buffering for music stream type
+ if (stream != AUDIO_STREAM_MUSIC) {
+ flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER);
+ }
+ if (stream == AUDIO_STREAM_TTS) {
+ flags = AUDIO_OUTPUT_FLAG_TTS;
+ }
+
+ sp<IOProfile> profile;
+
+ // skip direct output selection if the request can obviously be attached to a mixed output
+ // and not explicitly requested
+ if (((flags & AUDIO_OUTPUT_FLAG_DIRECT) == 0) &&
+ audio_is_linear_pcm(format) && samplingRate <= MAX_MIXER_SAMPLING_RATE &&
+ audio_channel_count_from_out_mask(channelMask) <= 2) {
+ goto non_direct_output;
+ }
+
+ // Do not allow offloading if one non offloadable effect is enabled. This prevents from
+ // creating an offloaded track and tearing it down immediately after start when audioflinger
+ // detects there is an active non offloadable effect.
+ // FIXME: We should check the audio session here but we do not have it in this context.
+ // This may prevent offloading in rare situations where effects are left active by apps
+ // in the background.
+
+ if (((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0) ||
+ !mEffects.isNonOffloadableEffectEnabled()) {
+ profile = getProfileForDirectOutput(device,
+ samplingRate,
+ format,
+ channelMask,
+ (audio_output_flags_t)flags);
+ }
+
+ if (profile != 0) {
+ sp<SwAudioOutputDescriptor> outputDesc = NULL;
+
+ for (size_t i = 0; i < mOutputs.size(); i++) {
+ sp<SwAudioOutputDescriptor> desc = mOutputs.valueAt(i);
+ if (!desc->isDuplicated() && (profile == desc->mProfile)) {
+ outputDesc = desc;
+ // reuse direct output if currently open and configured with same parameters
+ if ((samplingRate == outputDesc->mSamplingRate) &&
+ (format == outputDesc->mFormat) &&
+ (channelMask == outputDesc->mChannelMask)) {
+ outputDesc->mDirectOpenCount++;
+ ALOGV("getOutput() reusing direct output %d", mOutputs.keyAt(i));
+ return mOutputs.keyAt(i);
+ }
+ }
+ }
+ // close direct output if currently open and configured with different parameters
+ if (outputDesc != NULL) {
+ closeOutput(outputDesc->mIoHandle);
+ }
+
+ // if the selected profile is offloaded and no offload info was specified,
+ // create a default one
+ audio_offload_info_t defaultOffloadInfo = AUDIO_INFO_INITIALIZER;
+ if ((profile->mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) && !offloadInfo) {
+ flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD);
+ defaultOffloadInfo.sample_rate = samplingRate;
+ defaultOffloadInfo.channel_mask = channelMask;
+ defaultOffloadInfo.format = format;
+ defaultOffloadInfo.stream_type = stream;
+ defaultOffloadInfo.bit_rate = 0;
+ defaultOffloadInfo.duration_us = -1;
+ defaultOffloadInfo.has_video = true; // conservative
+ defaultOffloadInfo.is_streaming = true; // likely
+ offloadInfo = &defaultOffloadInfo;
+ }
+
+ outputDesc = new SwAudioOutputDescriptor(profile, mpClientInterface);
+ outputDesc->mDevice = device;
+ outputDesc->mLatency = 0;
+ outputDesc->mFlags = (audio_output_flags_t)(outputDesc->mFlags | flags);
+ audio_config_t config = AUDIO_CONFIG_INITIALIZER;
+ config.sample_rate = samplingRate;
+ config.channel_mask = channelMask;
+ config.format = format;
+ if (offloadInfo != NULL) {
+ config.offload_info = *offloadInfo;
+ }
+ status = mpClientInterface->openOutput(profile->getModuleHandle(),
+ &output,
+ &config,
+ &outputDesc->mDevice,
+ String8(""),
+ &outputDesc->mLatency,
+ outputDesc->mFlags);
+
+ // only accept an output with the requested parameters
+ if (status != NO_ERROR ||
+ (samplingRate != 0 && samplingRate != config.sample_rate) ||
+ (format != AUDIO_FORMAT_DEFAULT && format != config.format) ||
+ (channelMask != 0 && channelMask != config.channel_mask)) {
+ ALOGV("getOutput() failed opening direct output: output %d samplingRate %d %d,"
+ "format %d %d, channelMask %04x %04x", output, samplingRate,
+ outputDesc->mSamplingRate, format, outputDesc->mFormat, channelMask,
+ outputDesc->mChannelMask);
+ if (output != AUDIO_IO_HANDLE_NONE) {
+ mpClientInterface->closeOutput(output);
+ }
+ // fall back to mixer output if possible when the direct output could not be open
+ if (audio_is_linear_pcm(format) && samplingRate <= MAX_MIXER_SAMPLING_RATE) {
+ goto non_direct_output;
+ }
+ return AUDIO_IO_HANDLE_NONE;
+ }
+ outputDesc->mSamplingRate = config.sample_rate;
+ outputDesc->mChannelMask = config.channel_mask;
+ outputDesc->mFormat = config.format;
+ outputDesc->mRefCount[stream] = 0;
+ outputDesc->mStopTime[stream] = 0;
+ outputDesc->mDirectOpenCount = 1;
+
+ audio_io_handle_t srcOutput = getOutputForEffect();
+ addOutput(output, outputDesc);
+ audio_io_handle_t dstOutput = getOutputForEffect();
+ if (dstOutput == output) {
+ mpClientInterface->moveEffects(AUDIO_SESSION_OUTPUT_MIX, srcOutput, dstOutput);
+ }
+ mPreviousOutputs = mOutputs;
+ ALOGV("getOutput() returns new direct output %d", output);
+ mpClientInterface->onAudioPortListUpdate();
+ return output;
+ }
+
+non_direct_output:
+ // ignoring channel mask due to downmix capability in mixer
+
+ // open a non direct output
+
+ // for non direct outputs, only PCM is supported
+ if (audio_is_linear_pcm(format)) {
+ // get which output is suitable for the specified stream. The actual
+ // routing change will happen when startOutput() will be called
+ SortedVector<audio_io_handle_t> outputs = getOutputsForDevice(device, mOutputs);
+
+ // at this stage we should ignore the DIRECT flag as no direct output could be found earlier
+ flags = (audio_output_flags_t)(flags & ~AUDIO_OUTPUT_FLAG_DIRECT);
+ output = selectOutput(outputs, flags, format);
+ }
+ ALOGW_IF((output == 0), "getOutput() could not find output for stream %d, samplingRate %d,"
+ "format %d, channels %x, flags %x", stream, samplingRate, format, channelMask, flags);
+
+ ALOGV(" getOutputForDevice() returns output %d", output);
+
+ return output;
+}
+}
diff --git a/policy_hal/AudioPolicyManager.h b/policy_hal/AudioPolicyManager.h
index 3b80977..b8c9b6e 100644
--- a/policy_hal/AudioPolicyManager.h
+++ b/policy_hal/AudioPolicyManager.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
* Not a contribution.
*
* Copyright (C) 2009 The Android Open Source Project
@@ -18,82 +18,117 @@
*/
-#include <stdint.h>
-#include <sys/types.h>
-#include <utils/Timers.h>
-#include <utils/Errors.h>
-#include <utils/KeyedVector.h>
-#include <hardware_legacy/AudioPolicyManagerBase.h>
+#include <audiopolicy/managerdefault/AudioPolicyManager.h>
+#include <audio_policy_conf.h>
+#include <Volume.h>
-namespace android_audio_legacy {
+namespace android {
+#ifndef FLAC_OFFLOAD_ENABLED
+#define AUDIO_FORMAT_FLAC 0x1D000000UL
+#endif
+#ifndef WMA_OFFLOAD_ENABLED
+#define AUDIO_FORMAT_WMA 0x13000000UL
+#define AUDIO_FORMAT_WMA_PRO 0x14000000UL
+#endif
+
+#ifndef ALAC_OFFLOAD_ENABLED
+#define AUDIO_FORMAT_ALAC 0x1F000000UL
+#endif
+
+#ifndef APE_OFFLOAD_ENABLED
+#define AUDIO_FORMAT_APE 0x20000000UL
+#endif
+
+#ifndef AFE_PROXY_ENABLED
+#define AUDIO_DEVICE_OUT_PROXY 0x40000
+#endif
// ----------------------------------------------------------------------------
-class AudioPolicyManager: public AudioPolicyManagerBase
+class AudioPolicyManagerCustom: public AudioPolicyManager
{
public:
- AudioPolicyManager(AudioPolicyClientInterface *clientInterface)
- : AudioPolicyManagerBase(clientInterface) {}
+ AudioPolicyManagerCustom(AudioPolicyClientInterface *clientInterface)
+ : AudioPolicyManager(clientInterface) {
+ mHdmiAudioDisabled = false;
+ mHdmiAudioEvent = false;}
- virtual ~AudioPolicyManager() {}
+ virtual ~AudioPolicyManagerCustom() {}
- virtual status_t setDeviceConnectionState(audio_devices_t device,
- AudioSystem::device_connection_state state,
- const char *device_address);
- virtual void setForceUse(AudioSystem::force_use usage, AudioSystem::forced_config config);
- virtual audio_io_handle_t getInput(int inputSource,
- uint32_t samplingRate,
- uint32_t format,
- uint32_t channels,
- AudioSystem::audio_in_acoustics acoustics);
+ status_t setDeviceConnectionStateInt(audio_devices_t device,
+ audio_policy_dev_state_t state,
+ const char *device_address,
+ const char *device_name);
+ virtual void setPhoneState(audio_mode_t state);
+
+
virtual bool isOffloadSupported(const audio_offload_info_t& offloadInfo);
- virtual void setPhoneState(int state);
+
+ // true if given state represents a device in a telephony or VoIP call
protected:
- // return the strategy corresponding to a given stream type
- static routing_strategy getStrategy(AudioSystem::stream_type stream);
- // return appropriate device for streams handled by the specified strategy according to current
- // phone state, connected devices...
- // if fromCache is true, the device is returned from mDeviceForStrategy[],
- // otherwise it is determine by current state
- // (device connected,phone state, force use, a2dp output...)
- // This allows to:
- // 1 speed up process when the state is stable (when starting or stopping an output)
- // 2 access to either current device selection (fromCache == true) or
- // "future" device selection (fromCache == false) when called from a context
- // where conditions are changing (setDeviceConnectionState(), setPhoneState()...) AND
- // before updateDevicesAndOutputs() is called.
- virtual audio_devices_t getDeviceForStrategy(routing_strategy strategy,
- bool fromCache = true);
- // select input device corresponding to requested audio source
- virtual audio_devices_t getDeviceForInputSource(int inputSource);
+ status_t checkAndSetVolume(audio_stream_type_t stream,
+ int index,
+ const sp<SwAudioOutputDescriptor>& outputDesc,
+ audio_devices_t device,
+ int delayMs = 0, bool force = false);
- // compute the actual volume for a given stream according to the requested index and a particular
- // device
- virtual float computeVolume(int stream, int index, audio_io_handle_t output, audio_devices_t device);
-
- // check that volume change is permitted, compute and send new volume to audio hardware
- status_t checkAndSetVolume(int stream, int index, audio_io_handle_t output, audio_devices_t device, int delayMs = 0, bool force = false);
-
- // returns the category the device belongs to with regard to volume curve management
- static device_category getDeviceCategory(audio_devices_t device);
-
- // returns true if give output is direct output
+ // selects the most appropriate device on output for current state
+ // must be called every time a condition that affects the device choice for a given output is
+ // changed: connected device, phone state, force use, output start, output stop..
+ // see getDeviceForStrategy() for the use of fromCache parameter
+ audio_devices_t getNewOutputDevice(const sp<AudioOutputDescriptor>& outputDesc,
+ bool fromCache);
+ // returns true if given output is direct output
bool isDirectOutput(audio_io_handle_t output);
- static const char* HDMI_SPKR_STR;
+ // if argument "device" is different from AUDIO_DEVICE_NONE, startSource() will force
+ // the re-evaluation of the output device.
+ status_t startSource(sp<SwAudioOutputDescriptor> outputDesc,
+ audio_stream_type_t stream,
+ audio_devices_t device,
+ uint32_t *delayMs);
+ status_t stopSource(sp<SwAudioOutputDescriptor> outputDesc,
+ audio_stream_type_t stream,
+ bool forceDeviceUpdate);
+ // event is one of STARTING_OUTPUT, STARTING_BEACON, STOPPING_OUTPUT, STOPPING_BEACON 313
+ // returns 0 if no mute/unmute event happened, the largest latency of the device where 314
+ // the mute/unmute happened 315
+ uint32_t handleEventForBeacon(int){return 0;}
+ uint32_t setBeaconMute(bool){return 0;}
- //parameter indicates of HDMI speakers disabled from the Qualcomm settings
+ // handle special cases for sonification strategy while in call: mute streams or replace by
+ // a special tone in the device used for communication
+ void handleIncallSonification(audio_stream_type_t stream, bool starting, bool stateChange, audio_io_handle_t output);
+ //parameter indicates of HDMI speakers disabled
bool mHdmiAudioDisabled;
-
//parameter indicates if HDMI plug in/out detected
bool mHdmiAudioEvent;
-
private:
+ static float volIndexToAmpl(audio_devices_t device, const StreamDescriptor& streamDesc,
+ int indexInUi);
+ // updates device caching and output for streams that can influence the
+ // routing of notifications
+ void handleNotificationRoutingForStream(audio_stream_type_t stream);
+ static bool isVirtualInputDevice(audio_devices_t device);
+ static bool deviceDistinguishesOnAddress(audio_devices_t device);
+ uint32_t nextUniqueId();
+ // internal method to return the output handle for the given device and format
+ audio_io_handle_t getOutputForDevice(
+ audio_devices_t device,
+ audio_session_t session,
+ audio_stream_type_t stream,
+ uint32_t samplingRate,
+ audio_format_t format,
+ audio_channel_mask_t channelMask,
+ audio_output_flags_t flags,
+ const audio_offload_info_t *offloadInfo);
// Used for voip + voice concurrency usecase
int mPrevPhoneState;
+ int mvoice_call_state;
};
+
};