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gecko/dom/system/gonk/AudioManager.cpp

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/* Copyright 2012 Mozilla Foundation and Mozilla contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <android/log.h>
#include "AudioChannelService.h"
#include "AudioManager.h"
#include "nsIObserverService.h"
#include "nsPrintfCString.h"
#include "mozilla/Hal.h"
#include "mozilla/Services.h"
#include "BluetoothCommon.h"
#include "BluetoothProfileManagerBase.h"
using namespace mozilla::dom::gonk;
using namespace android;
using namespace mozilla::hal;
using namespace mozilla;
using namespace mozilla::dom::bluetooth;
#define LOG(args...) __android_log_print(ANDROID_LOG_INFO, "AudioManager" , ## args)
#define HEADPHONES_STATUS_CHANGED "headphones-status-changed"
#define HEADPHONES_STATUS_HEADSET NS_LITERAL_STRING("headset").get()
#define HEADPHONES_STATUS_HEADPHONE NS_LITERAL_STRING("headphone").get()
#define HEADPHONES_STATUS_OFF NS_LITERAL_STRING("off").get()
#define HEADPHONES_STATUS_UNKNOWN NS_LITERAL_STRING("unknown").get()
static void BinderDeadCallback(status_t aErr);
static void InternalSetAudioRoutes(SwitchState aState);
// Refer AudioService.java from Android
static int sMaxStreamVolumeTbl[AUDIO_STREAM_CNT] = {
5, // voice call
15, // system
15, // ring
15, // music
15, // alarm
15, // notification
15, // BT SCO
15, // enforced audible
15, // DTMF
15, // TTS
15, // FM
};
// A bitwise variable for recording what kind of headset is attached.
static int sHeadsetState;
static const int kBtSampleRate = 8000;
class RecoverTask : public nsRunnable
{
public:
RecoverTask() {}
NS_IMETHODIMP Run() {
nsCOMPtr<nsIAudioManager> am = do_GetService(NS_AUDIOMANAGER_CONTRACTID);
NS_ENSURE_TRUE(am, NS_OK);
for (int i = 0; i < AUDIO_STREAM_CNT; i++) {
AudioSystem::initStreamVolume(static_cast<audio_stream_type_t>(i), 0,
sMaxStreamVolumeTbl[i]);
int32_t volidx = 0;
am->GetStreamVolumeIndex(i, &volidx);
am->SetStreamVolumeIndex(static_cast<audio_stream_type_t>(i),
volidx);
}
if (sHeadsetState & AUDIO_DEVICE_OUT_WIRED_HEADSET)
InternalSetAudioRoutes(SWITCH_STATE_HEADSET);
else if (sHeadsetState & AUDIO_DEVICE_OUT_WIRED_HEADPHONE)
InternalSetAudioRoutes(SWITCH_STATE_HEADPHONE);
else
InternalSetAudioRoutes(SWITCH_STATE_OFF);
int32_t phoneState = nsIAudioManager::PHONE_STATE_INVALID;
am->GetPhoneState(&phoneState);
#if ANDROID_VERSION < 17
AudioSystem::setPhoneState(phoneState);
#else
AudioSystem::setPhoneState(static_cast<audio_mode_t>(phoneState));
#endif
AudioSystem::get_audio_flinger();
return NS_OK;
}
};
static void
BinderDeadCallback(status_t aErr)
{
if (aErr == DEAD_OBJECT) {
NS_DispatchToMainThread(new RecoverTask());
}
}
static bool
IsDeviceOn(audio_devices_t device)
{
if (static_cast<
audio_policy_dev_state_t (*) (audio_devices_t, const char *)
>(AudioSystem::getDeviceConnectionState))
return AudioSystem::getDeviceConnectionState(device, "") ==
AUDIO_POLICY_DEVICE_STATE_AVAILABLE;
return false;
}
NS_IMPL_ISUPPORTS2(AudioManager, nsIAudioManager, nsIObserver)
static AudioSystem::audio_devices
GetRoutingMode(int aType) {
if (aType == nsIAudioManager::FORCE_SPEAKER) {
return AudioSystem::DEVICE_OUT_SPEAKER;
} else if (aType == nsIAudioManager::FORCE_HEADPHONES) {
return AudioSystem::DEVICE_OUT_WIRED_HEADSET;
} else if (aType == nsIAudioManager::FORCE_BT_SCO) {
return AudioSystem::DEVICE_OUT_BLUETOOTH_SCO;
} else if (aType == nsIAudioManager::FORCE_BT_A2DP) {
return AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP;
} else {
return AudioSystem::DEVICE_IN_DEFAULT;
}
}
static void
InternalSetAudioRoutesICS(SwitchState aState)
{
if (aState == SWITCH_STATE_HEADSET) {
AudioSystem::setDeviceConnectionState(AUDIO_DEVICE_OUT_WIRED_HEADSET,
AUDIO_POLICY_DEVICE_STATE_AVAILABLE, "");
sHeadsetState |= AUDIO_DEVICE_OUT_WIRED_HEADSET;
} else if (aState == SWITCH_STATE_HEADPHONE) {
AudioSystem::setDeviceConnectionState(AUDIO_DEVICE_OUT_WIRED_HEADPHONE,
AUDIO_POLICY_DEVICE_STATE_AVAILABLE, "");
sHeadsetState |= AUDIO_DEVICE_OUT_WIRED_HEADPHONE;
} else if (aState == SWITCH_STATE_OFF) {
AudioSystem::setDeviceConnectionState(static_cast<audio_devices_t>(sHeadsetState),
AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE, "");
sHeadsetState = 0;
}
// The audio volume is not consistent when we plug and unplug the headset.
// Set the fm volume again here.
if (IsDeviceOn(AUDIO_DEVICE_OUT_FM)) {
float masterVolume;
AudioSystem::getMasterVolume(&masterVolume);
AudioSystem::setFmVolume(masterVolume);
}
}
static void
InternalSetAudioRoutesGB(SwitchState aState)
{
audio_io_handle_t handle =
AudioSystem::getOutput((AudioSystem::stream_type)AudioSystem::SYSTEM);
String8 cmd;
if (aState == SWITCH_STATE_HEADSET || aState == SWITCH_STATE_HEADPHONE) {
cmd.appendFormat("routing=%d", GetRoutingMode(nsIAudioManager::FORCE_HEADPHONES));
} else if (aState == SWITCH_STATE_OFF) {
cmd.appendFormat("routing=%d", GetRoutingMode(nsIAudioManager::FORCE_SPEAKER));
}
AudioSystem::setParameters(handle, cmd);
}
static void
InternalSetAudioRoutes(SwitchState aState)
{
if (static_cast<
status_t (*)(audio_devices_t, audio_policy_dev_state_t, const char*)
>(AudioSystem::setDeviceConnectionState)) {
InternalSetAudioRoutesICS(aState);
} else if (static_cast<
audio_io_handle_t (*)(AudioSystem::stream_type, uint32_t, uint32_t, uint32_t, AudioSystem::output_flags)
>(AudioSystem::getOutput)) {
InternalSetAudioRoutesGB(aState);
}
}
nsresult
AudioManager::Observe(nsISupports* aSubject,
const char* aTopic,
const PRUnichar* aData)
{
if ((strcmp(aTopic, BLUETOOTH_SCO_STATUS_CHANGED_ID) == 0) ||
(strcmp(aTopic, BLUETOOTH_A2DP_STATUS_CHANGED_ID) == 0)) {
nsresult rv;
int status = NS_ConvertUTF16toUTF8(aData).ToInteger(&rv);
if (NS_FAILED(rv) || status > 1 || status < 0) {
NS_WARNING(nsPrintfCString("Wrong data value of %s", aTopic).get());
return NS_ERROR_FAILURE;
}
nsAutoString tmp_address;
BluetoothProfileManagerBase* profile =
static_cast<BluetoothProfileManagerBase*>(aSubject);
profile->GetAddress(tmp_address);
nsAutoCString address = NS_ConvertUTF16toUTF8(tmp_address);
audio_policy_dev_state_t audioState = status ?
AUDIO_POLICY_DEVICE_STATE_AVAILABLE :
AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE;
if (!strcmp(aTopic, BLUETOOTH_SCO_STATUS_CHANGED_ID)) {
AudioSystem::setDeviceConnectionState(AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET,
audioState, address.get());
AudioSystem::setDeviceConnectionState(AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET,
audioState, address.get());
if (audioState == AUDIO_POLICY_DEVICE_STATE_AVAILABLE) {
String8 cmd;
cmd.appendFormat("bt_samplerate=%d", kBtSampleRate);
AudioSystem::setParameters(0, cmd);
SetForceForUse(nsIAudioManager::USE_COMMUNICATION, nsIAudioManager::FORCE_BT_SCO);
} else {
// only force to none if the current force setting is bt_sco
int32_t force;
GetForceForUse(nsIAudioManager::USE_COMMUNICATION, &force);
if (force == nsIAudioManager::FORCE_BT_SCO)
SetForceForUse(nsIAudioManager::USE_COMMUNICATION, nsIAudioManager::FORCE_NONE);
}
} else if (!strcmp(aTopic, BLUETOOTH_A2DP_STATUS_CHANGED_ID)) {
AudioSystem::setDeviceConnectionState(AUDIO_DEVICE_OUT_BLUETOOTH_A2DP,
audioState, address.get());
if (audioState == AUDIO_POLICY_DEVICE_STATE_AVAILABLE) {
String8 cmd("bluetooth_enabled=true");
AudioSystem::setParameters(0, cmd);
cmd.setTo("A2dpSuspended=false");
AudioSystem::setParameters(0, cmd);
}
}
} else {
NS_WARNING("Unexpected topic in AudioManager");
return NS_ERROR_FAILURE;
}
return NS_OK;
}
static void
NotifyHeadphonesStatus(SwitchState aState)
{
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (obs) {
if (aState == SWITCH_STATE_HEADSET) {
obs->NotifyObservers(nullptr, HEADPHONES_STATUS_CHANGED, HEADPHONES_STATUS_HEADSET);
} else if (aState == SWITCH_STATE_HEADPHONE) {
obs->NotifyObservers(nullptr, HEADPHONES_STATUS_CHANGED, HEADPHONES_STATUS_HEADPHONE);
} else if (aState == SWITCH_STATE_OFF) {
obs->NotifyObservers(nullptr, HEADPHONES_STATUS_CHANGED, HEADPHONES_STATUS_OFF);
} else {
obs->NotifyObservers(nullptr, HEADPHONES_STATUS_CHANGED, HEADPHONES_STATUS_UNKNOWN);
}
}
}
class HeadphoneSwitchObserver : public SwitchObserver
{
public:
void Notify(const SwitchEvent& aEvent) {
InternalSetAudioRoutes(aEvent.status());
NotifyHeadphonesStatus(aEvent.status());
}
};
AudioManager::AudioManager() : mPhoneState(PHONE_STATE_CURRENT),
mObserver(new HeadphoneSwitchObserver())
{
RegisterSwitchObserver(SWITCH_HEADPHONES, mObserver);
InternalSetAudioRoutes(GetCurrentSwitchState(SWITCH_HEADPHONES));
NotifyHeadphonesStatus(GetCurrentSwitchState(SWITCH_HEADPHONES));
nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
NS_ENSURE_TRUE_VOID(obs);
if (NS_FAILED(obs->AddObserver(this, BLUETOOTH_SCO_STATUS_CHANGED_ID, false))) {
NS_WARNING("Failed to add bluetooth sco status changed observer!");
}
if (NS_FAILED(obs->AddObserver(this, BLUETOOTH_A2DP_STATUS_CHANGED_ID, false))) {
NS_WARNING("Failed to add bluetooth a2dp status changed observer!");
}
for (int loop = 0; loop < AUDIO_STREAM_CNT; loop++) {
AudioSystem::initStreamVolume(static_cast<audio_stream_type_t>(loop), 0,
sMaxStreamVolumeTbl[loop]);
mCurrentStreamVolumeTbl[loop] = sMaxStreamVolumeTbl[loop];
}
// Force publicnotification to output at maximal volume
#if ANDROID_VERSION < 17
AudioSystem::setStreamVolumeIndex(
static_cast<audio_stream_type_t>(AUDIO_STREAM_ENFORCED_AUDIBLE),
sMaxStreamVolumeTbl[AUDIO_STREAM_ENFORCED_AUDIBLE]);
#else
AudioSystem::setStreamVolumeIndex(
static_cast<audio_stream_type_t>(AUDIO_STREAM_ENFORCED_AUDIBLE),
sMaxStreamVolumeTbl[AUDIO_STREAM_ENFORCED_AUDIBLE],
AUDIO_DEVICE_OUT_SPEAKER);
#endif
AudioSystem::setErrorCallback(BinderDeadCallback);
}
AudioManager::~AudioManager() {
UnregisterSwitchObserver(SWITCH_HEADPHONES, mObserver);
nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
NS_ENSURE_TRUE_VOID(obs);
if (NS_FAILED(obs->RemoveObserver(this, BLUETOOTH_SCO_STATUS_CHANGED_ID))) {
NS_WARNING("Failed to remove bluetooth sco status changed observer!");
}
if (NS_FAILED(obs->RemoveObserver(this, BLUETOOTH_A2DP_STATUS_CHANGED_ID))) {
NS_WARNING("Failed to remove bluetooth a2dp status changed observer!");
}
}
NS_IMETHODIMP
AudioManager::GetMicrophoneMuted(bool* aMicrophoneMuted)
{
if (AudioSystem::isMicrophoneMuted(aMicrophoneMuted)) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
AudioManager::SetMicrophoneMuted(bool aMicrophoneMuted)
{
if (AudioSystem::muteMicrophone(aMicrophoneMuted)) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
AudioManager::GetMasterVolume(float* aMasterVolume)
{
if (AudioSystem::getMasterVolume(aMasterVolume)) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
AudioManager::SetMasterVolume(float aMasterVolume)
{
if (AudioSystem::setMasterVolume(aMasterVolume)) {
return NS_ERROR_FAILURE;
}
// For now, just set the voice volume at the same level
if (AudioSystem::setVoiceVolume(aMasterVolume)) {
return NS_ERROR_FAILURE;
}
if (IsDeviceOn(AUDIO_DEVICE_OUT_FM) &&
AudioSystem::setFmVolume(aMasterVolume)) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
AudioManager::GetMasterMuted(bool* aMasterMuted)
{
if (AudioSystem::getMasterMute(aMasterMuted)) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
AudioManager::SetMasterMuted(bool aMasterMuted)
{
if (AudioSystem::setMasterMute(aMasterMuted)) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
AudioManager::GetPhoneState(int32_t* aState)
{
*aState = mPhoneState;
return NS_OK;
}
NS_IMETHODIMP
AudioManager::SetPhoneState(int32_t aState)
{
if (mPhoneState == aState) {
return NS_OK;
}
#if ANDROID_VERSION < 17
if (AudioSystem::setPhoneState(aState)) {
#else
if (AudioSystem::setPhoneState(static_cast<audio_mode_t>(aState))) {
#endif
return NS_ERROR_FAILURE;
}
mPhoneState = aState;
if (mPhoneAudioAgent) {
mPhoneAudioAgent->StopPlaying();
mPhoneAudioAgent = nullptr;
}
if (aState == PHONE_STATE_IN_CALL || aState == PHONE_STATE_RINGTONE) {
mPhoneAudioAgent = do_CreateInstance("@mozilla.org/audiochannelagent;1");
MOZ_ASSERT(mPhoneAudioAgent);
if (aState == PHONE_STATE_IN_CALL) {
// Telephony doesn't be paused by any other channels.
mPhoneAudioAgent->Init(AUDIO_CHANNEL_TELEPHONY, nullptr);
} else {
mPhoneAudioAgent->Init(AUDIO_CHANNEL_RINGER, nullptr);
}
// Telephony can always play.
bool canPlay;
mPhoneAudioAgent->StartPlaying(&canPlay);
}
return NS_OK;
}
//
// Kids, don't try this at home. We want this to link and work on
// both GB and ICS. Problem is, the symbol exported by audioflinger
// is different on the two gonks.
//
// So what we do here is weakly link to both of them, and then call
// whichever symbol resolves at dynamic link time (if any).
//
NS_IMETHODIMP
AudioManager::SetForceForUse(int32_t aUsage, int32_t aForce)
{
status_t status = 0;
if (IsDeviceOn(AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET) &&
aUsage == nsIAudioManager::USE_COMMUNICATION &&
aForce == nsIAudioManager::FORCE_NONE) {
aForce = nsIAudioManager::FORCE_BT_SCO;
}
if (static_cast<
status_t (*)(AudioSystem::force_use, AudioSystem::forced_config)
>(AudioSystem::setForceUse)) {
// Dynamically resolved the GB signature.
status = AudioSystem::setForceUse((AudioSystem::force_use)aUsage,
(AudioSystem::forced_config)aForce);
} else if (static_cast<
status_t (*)(audio_policy_force_use_t, audio_policy_forced_cfg_t)
>(AudioSystem::setForceUse)) {
// Dynamically resolved the ICS signature.
status = AudioSystem::setForceUse((audio_policy_force_use_t)aUsage,
(audio_policy_forced_cfg_t)aForce);
}
return status ? NS_ERROR_FAILURE : NS_OK;
}
NS_IMETHODIMP
AudioManager::GetForceForUse(int32_t aUsage, int32_t* aForce) {
if (static_cast<
AudioSystem::forced_config (*)(AudioSystem::force_use)
>(AudioSystem::getForceUse)) {
// Dynamically resolved the GB signature.
*aForce = AudioSystem::getForceUse((AudioSystem::force_use)aUsage);
} else if (static_cast<
audio_policy_forced_cfg_t (*)(audio_policy_force_use_t)
>(AudioSystem::getForceUse)) {
// Dynamically resolved the ICS signature.
*aForce = AudioSystem::getForceUse((audio_policy_force_use_t)aUsage);
}
return NS_OK;
}
NS_IMETHODIMP
AudioManager::GetFmRadioAudioEnabled(bool *aFmRadioAudioEnabled)
{
*aFmRadioAudioEnabled = IsDeviceOn(AUDIO_DEVICE_OUT_FM);
return NS_OK;
}
NS_IMETHODIMP
AudioManager::SetFmRadioAudioEnabled(bool aFmRadioAudioEnabled)
{
if (static_cast<
status_t (*) (AudioSystem::audio_devices, AudioSystem::device_connection_state, const char *)
>(AudioSystem::setDeviceConnectionState)) {
AudioSystem::setDeviceConnectionState(AUDIO_DEVICE_OUT_FM,
aFmRadioAudioEnabled ? AUDIO_POLICY_DEVICE_STATE_AVAILABLE :
AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE, "");
InternalSetAudioRoutes(GetCurrentSwitchState(SWITCH_HEADPHONES));
// sync volume with music after powering on fm radio
if (aFmRadioAudioEnabled) {
int32_t volIndex = 0;
#if ANDROID_VERSION < 17
AudioSystem::getStreamVolumeIndex(
static_cast<audio_stream_type_t>(AUDIO_STREAM_MUSIC),
&volIndex);
AudioSystem::setStreamVolumeIndex(
static_cast<audio_stream_type_t>(AUDIO_STREAM_FM),
volIndex);
#else
AudioSystem::getStreamVolumeIndex(
static_cast<audio_stream_type_t>(AUDIO_STREAM_MUSIC),
&volIndex,
AUDIO_DEVICE_OUT_DEFAULT);
AudioSystem::setStreamVolumeIndex(
static_cast<audio_stream_type_t>(AUDIO_STREAM_FM),
volIndex,
AUDIO_DEVICE_OUT_SPEAKER);
#endif
mCurrentStreamVolumeTbl[AUDIO_STREAM_FM] = volIndex;
}
return NS_OK;
} else {
return NS_ERROR_NOT_IMPLEMENTED;
}
}
NS_IMETHODIMP
AudioManager::SetStreamVolumeIndex(int32_t aStream, int32_t aIndex) {
#if ANDROID_VERSION < 17
status_t status =
AudioSystem::setStreamVolumeIndex(
static_cast<audio_stream_type_t>(aStream),
aIndex);
#else
status_t status =
AudioSystem::setStreamVolumeIndex(
static_cast<audio_stream_type_t>(aStream),
aIndex,
AUDIO_DEVICE_OUT_SPEAKER);
#endif
// sync fm volume with music stream type
if (aStream == AUDIO_STREAM_MUSIC && IsDeviceOn(AUDIO_DEVICE_OUT_FM)) {
#if ANDROID_VERSION < 17
AudioSystem::setStreamVolumeIndex(
static_cast<audio_stream_type_t>(AUDIO_STREAM_FM),
aIndex);
#else
AudioSystem::setStreamVolumeIndex(
static_cast<audio_stream_type_t>(AUDIO_STREAM_FM),
aIndex,
AUDIO_DEVICE_OUT_SPEAKER);
#endif
mCurrentStreamVolumeTbl[AUDIO_STREAM_FM] = aIndex;
}
mCurrentStreamVolumeTbl[aStream] = aIndex;
return status ? NS_ERROR_FAILURE : NS_OK;
}
NS_IMETHODIMP
AudioManager::GetStreamVolumeIndex(int32_t aStream, int32_t* aIndex) {
*aIndex = mCurrentStreamVolumeTbl[aStream];
return NS_OK;
}
NS_IMETHODIMP
AudioManager::GetMaxStreamVolumeIndex(int32_t aStream, int32_t* aMaxIndex) {
*aMaxIndex = sMaxStreamVolumeTbl[aStream];
return NS_OK;
}
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