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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 "nsISettingsService.h"
#include "nsPrintfCString.h"
#include "mozilla/Hal.h"
#include "mozilla/Services.h"
#include "base/message_loop.h"
#include "BluetoothCommon.h"
#include "BluetoothProfileManagerBase.h"
#include "BluetoothHfpManager.h"
#include "nsJSUtils.h"
#include "nsCxPusher.h"
#include "nsThreadUtils.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_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()
#define HEADPHONES_STATUS_CHANGED "headphones-status-changed"
#define MOZ_SETTINGS_CHANGE_ID "mozsettings-changed"
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;
static bool sSwitchDone = true;
namespace mozilla {
namespace dom {
namespace gonk {
class RecoverTask : public nsRunnable
{
public:
RecoverTask() {}
NS_IMETHODIMP Run() {
nsCOMPtr<nsIAudioManager> amService = do_GetService(NS_AUDIOMANAGER_CONTRACTID);
NS_ENSURE_TRUE(amService, NS_OK);
AudioManager *am = static_cast<AudioManager *>(amService.get());
for (int loop = 0; loop < AUDIO_STREAM_CNT; loop++) {
AudioSystem::initStreamVolume(static_cast<audio_stream_type_t>(loop), 0,
sMaxStreamVolumeTbl[loop]);
int32_t index;
am->GetStreamVolumeIndex(loop, &index);
am->SetStreamVolumeIndex(loop, index);
}
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;
}
};
class AudioChannelVolInitCallback MOZ_FINAL : public nsISettingsServiceCallback
{
public:
NS_DECL_ISUPPORTS
AudioChannelVolInitCallback() {}
NS_IMETHOD Handle(const nsAString& aName, const JS::Value& aResult)
{
nsCOMPtr<nsIAudioManager> audioManager =
do_GetService(NS_AUDIOMANAGER_CONTRACTID);
NS_ENSURE_TRUE(JSVAL_IS_INT(aResult), NS_OK);
int32_t volIndex = JSVAL_TO_INT(aResult);
if (aName.EqualsLiteral("audio.volume.content")) {
audioManager->SetAudioChannelVolume(AUDIO_CHANNEL_CONTENT, volIndex);
} else if (aName.EqualsLiteral("audio.volume.notification")) {
audioManager->SetAudioChannelVolume(AUDIO_CHANNEL_NOTIFICATION,
volIndex);
} else if (aName.EqualsLiteral("audio.volume.alarm")) {
audioManager->SetAudioChannelVolume(AUDIO_CHANNEL_ALARM, volIndex);
} else if (aName.EqualsLiteral("audio.volume.telephony")) {
audioManager->SetAudioChannelVolume(AUDIO_CHANNEL_TELEPHONY, volIndex);
} else if (aName.EqualsLiteral("audio.volume.bt_sco")) {
static_cast<AudioManager *>(audioManager.get())->SetStreamVolumeIndex(
AUDIO_STREAM_BLUETOOTH_SCO, volIndex);
} else {
MOZ_ASSERT("unexpected audio channel for volume control");
}
return NS_OK;
}
NS_IMETHOD HandleError(const nsAString& aName)
{
LOG("AudioChannelVolInitCallback::HandleError: %s\n",
NS_ConvertUTF16toUTF8(aName).get());
return NS_OK;
}
};
NS_IMPL_ISUPPORTS1(AudioChannelVolInitCallback, nsISettingsServiceCallback)
} /* namespace gonk */
} /* namespace dom */
} /* namespace mozilla */
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;
}
static void ProcessDelayedAudioRoute(SwitchState aState)
{
if (sSwitchDone)
return;
InternalSetAudioRoutes(aState);
sSwitchDone = true;
}
NS_IMPL_ISUPPORTS2(AudioManager, nsIAudioManager, nsIObserver)
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;
}
}
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 {
NS_NOTREACHED("Doesn't support audio routing on GB version");
}
}
void
AudioManager::HandleBluetoothStatusChanged(nsISupports* aSubject,
const char* aTopic,
const nsCString aAddress)
{
#ifdef MOZ_B2G_BT
bool status;
if (!strcmp(aTopic, BLUETOOTH_SCO_STATUS_CHANGED_ID)) {
BluetoothHfpManager* hfp =
static_cast<BluetoothHfpManager*>(aSubject);
status = hfp->IsScoConnected();
} else {
BluetoothProfileManagerBase* profile =
static_cast<BluetoothProfileManagerBase*>(aSubject);
status = profile->IsConnected();
}
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)) {
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 {
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, aAddress.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 {
String8 cmd("bluetooth_enabled=false");
AudioSystem::setParameters(0, cmd);
cmd.setTo("A2dpSuspended=true");
AudioSystem::setParameters(0, cmd);
}
} else if (!strcmp(aTopic, BLUETOOTH_HFP_STATUS_CHANGED_ID)) {
AudioSystem::setDeviceConnectionState(AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET,
audioState, aAddress.get());
AudioSystem::setDeviceConnectionState(AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET,
audioState, aAddress.get());
}
#endif
}
nsresult
AudioManager::Observe(nsISupports* aSubject,
const char* aTopic,
const PRUnichar* aData)
{
if ((strcmp(aTopic, BLUETOOTH_SCO_STATUS_CHANGED_ID) == 0) ||
(strcmp(aTopic, BLUETOOTH_HFP_STATUS_CHANGED_ID) == 0) ||
(strcmp(aTopic, BLUETOOTH_A2DP_STATUS_CHANGED_ID) == 0)) {
nsCString address = NS_ConvertUTF16toUTF8(nsDependentString(aData));
if (address.IsEmpty()) {
NS_WARNING(nsPrintfCString("Invalid address of %s", aTopic).get());
return NS_ERROR_FAILURE;
}
HandleBluetoothStatusChanged(aSubject, aTopic, address);
return NS_OK;
}
// To process the volume control on each audio channel according to
// change of settings
else if (!strcmp(aTopic, MOZ_SETTINGS_CHANGE_ID)) {
AutoSafeJSContext cx;
nsDependentString dataStr(aData);
JS::Rooted<JS::Value> val(cx);
if (!JS_ParseJSON(cx, dataStr.get(), dataStr.Length(), &val) ||
!val.isObject()) {
return NS_OK;
}
JS::Rooted<JSObject*> obj(cx, &val.toObject());
JS::Rooted<JS::Value> key(cx);
if (!JS_GetProperty(cx, obj, "key", &key) ||
!key.isString()) {
return NS_OK;
}
JS::RootedString jsKey(cx, JS_ValueToString(cx, key));
if (!jsKey) {
return NS_OK;
}
nsDependentJSString keyStr;
if (!keyStr.init(cx, jsKey) || keyStr.EqualsLiteral("audio.volume.bt_sco")) {
return NS_OK;
}
JS::Rooted<JS::Value> value(cx);
if (!JS_GetProperty(cx, obj, "value", &value) || !value.isInt32()) {
return NS_OK;
}
int32_t index = value.toInt32();
SetStreamVolumeIndex(AUDIO_STREAM_BLUETOOTH_SCO, index);
return NS_OK;
}
NS_WARNING("Unexpected topic in AudioManager");
return NS_ERROR_FAILURE;
}
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) {
NotifyHeadphonesStatus(aEvent.status());
// When user pulled out the headset, a delay of routing here can avoid the leakage of audio from speaker.
if (aEvent.status() == SWITCH_STATE_OFF && sSwitchDone) {
MessageLoop::current()->PostDelayedTask(
FROM_HERE, NewRunnableFunction(&ProcessDelayedAudioRoute, SWITCH_STATE_OFF), 1000);
sSwitchDone = false;
} else if (aEvent.status() != SWITCH_STATE_OFF) {
InternalSetAudioRoutes(aEvent.status());
sSwitchDone = true;
}
}
};
AudioManager::AudioManager() : mPhoneState(PHONE_STATE_CURRENT),
mObserver(new HeadphoneSwitchObserver())
{
RegisterSwitchObserver(SWITCH_HEADPHONES, mObserver);
InternalSetAudioRoutes(GetCurrentSwitchState(SWITCH_HEADPHONES));
NotifyHeadphonesStatus(GetCurrentSwitchState(SWITCH_HEADPHONES));
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
SetStreamVolumeIndex(AUDIO_STREAM_ENFORCED_AUDIBLE,
sMaxStreamVolumeTbl[AUDIO_STREAM_ENFORCED_AUDIBLE]);
// Get the initial volume index from settings DB during boot up.
nsCOMPtr<nsISettingsService> settingsService =
do_GetService("@mozilla.org/settingsService;1");
NS_ENSURE_TRUE_VOID(settingsService);
nsCOMPtr<nsISettingsServiceLock> lock;
nsresult rv = settingsService->CreateLock(getter_AddRefs(lock));
NS_ENSURE_SUCCESS_VOID(rv);
nsCOMPtr<nsISettingsServiceCallback> callback = new AudioChannelVolInitCallback();
NS_ENSURE_TRUE_VOID(callback);
lock->Get("audio.volume.content", callback);
lock->Get("audio.volume.notification", callback);
lock->Get("audio.volume.alarm", callback);
lock->Get("audio.volume.telephony", callback);
lock->Get("audio.volume.bt_sco", callback);
// Gecko only control stream volume not master so set to default value
// directly.
AudioSystem::setMasterVolume(1.0);
AudioSystem::setErrorCallback(BinderDeadCallback);
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!");
}
if (NS_FAILED(obs->AddObserver(this, BLUETOOTH_HFP_STATUS_CHANGED_ID, false))) {
NS_WARNING("Failed to add bluetooth hfp status changed observer!");
}
if (NS_FAILED(obs->AddObserver(this, MOZ_SETTINGS_CHANGE_ID, false))) {
NS_WARNING("Failed to add mozsettings-changed observer!");
}
}
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!");
}
if (NS_FAILED(obs->RemoveObserver(this, BLUETOOTH_HFP_STATUS_CHANGED_ID))) {
NS_WARNING("Failed to remove bluetooth hfp status changed observer!");
}
if (NS_FAILED(obs->RemoveObserver(this, MOZ_SETTINGS_CHANGE_ID))) {
NS_WARNING("Failed to remove mozsettings-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::GetPhoneState(int32_t* aState)
{
*aState = mPhoneState;
return NS_OK;
}
NS_IMETHODIMP
AudioManager::SetPhoneState(int32_t aState)
{
if (mPhoneState == aState) {
return NS_OK;
}
nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
if (obs) {
nsString state;
state.AppendInt(aState);
obs->NotifyObservers(nullptr, "phone-state-changed", state.get());
}
// follow the switch audio path logic for android, Bug 897364
int usage;
GetForceForUse(nsIAudioManager::USE_COMMUNICATION, &usage);
if (aState == PHONE_STATE_NORMAL && usage == nsIAudioManager::FORCE_BT_SCO) {
SetForceForUse(nsIAudioManager::USE_COMMUNICATION, nsIAudioManager::FORCE_NONE);
}
#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.
int32_t canPlay;
mPhoneAudioAgent->StartPlaying(&canPlay);
}
return NS_OK;
}
NS_IMETHODIMP
AudioManager::SetForceForUse(int32_t aUsage, int32_t aForce)
{
if (static_cast<
status_t (*)(audio_policy_force_use_t, audio_policy_forced_cfg_t)
>(AudioSystem::setForceUse)) {
// Dynamically resolved the ICS signature.
status_t status = AudioSystem::setForceUse(
(audio_policy_force_use_t)aUsage,
(audio_policy_forced_cfg_t)aForce);
return status ? NS_ERROR_FAILURE : NS_OK;
}
NS_NOTREACHED("Doesn't support force routing on GB version");
return NS_ERROR_UNEXPECTED;
}
NS_IMETHODIMP
AudioManager::GetForceForUse(int32_t aUsage, int32_t* aForce) {
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_NOTREACHED("Doesn't support force routing on GB version");
return NS_ERROR_UNEXPECTED;
}
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 = mCurrentStreamVolumeTbl[AUDIO_STREAM_MUSIC];
SetStreamVolumeIndex(AUDIO_STREAM_FM, volIndex);
mCurrentStreamVolumeTbl[AUDIO_STREAM_FM] = volIndex;
}
return NS_OK;
} else {
return NS_ERROR_NOT_IMPLEMENTED;
}
}
NS_IMETHODIMP
AudioManager::SetAudioChannelVolume(int32_t aChannel, int32_t aIndex) {
status_t status;
switch (aChannel) {
case AUDIO_CHANNEL_CONTENT:
status = SetStreamVolumeIndex(AUDIO_STREAM_MUSIC, aIndex);
status += SetStreamVolumeIndex(AUDIO_STREAM_SYSTEM, aIndex);
// sync FMRadio's volume with content channel.
if (IsDeviceOn(AUDIO_DEVICE_OUT_FM)) {
status += SetStreamVolumeIndex(AUDIO_STREAM_FM, aIndex);
}
break;
case AUDIO_CHANNEL_NOTIFICATION:
status = SetStreamVolumeIndex(AUDIO_STREAM_NOTIFICATION, aIndex);
status += SetStreamVolumeIndex(AUDIO_STREAM_RING, aIndex);
break;
case AUDIO_CHANNEL_ALARM:
status = SetStreamVolumeIndex(AUDIO_STREAM_ALARM, aIndex);
break;
case AUDIO_CHANNEL_TELEPHONY:
status = SetStreamVolumeIndex(AUDIO_STREAM_VOICE_CALL, aIndex);
break;
default:
return NS_ERROR_INVALID_ARG;
}
return status ? NS_ERROR_FAILURE : NS_OK;
}
NS_IMETHODIMP
AudioManager::GetAudioChannelVolume(int32_t aChannel, int32_t* aIndex) {
if (!aIndex) {
return NS_ERROR_NULL_POINTER;
}
switch (aChannel) {
case AUDIO_CHANNEL_CONTENT:
MOZ_ASSERT(mCurrentStreamVolumeTbl[AUDIO_STREAM_MUSIC] ==
mCurrentStreamVolumeTbl[AUDIO_STREAM_SYSTEM]);
*aIndex = mCurrentStreamVolumeTbl[AUDIO_STREAM_MUSIC];
break;
case AUDIO_CHANNEL_NOTIFICATION:
MOZ_ASSERT(mCurrentStreamVolumeTbl[AUDIO_STREAM_NOTIFICATION] ==
mCurrentStreamVolumeTbl[AUDIO_STREAM_RING]);
*aIndex = mCurrentStreamVolumeTbl[AUDIO_STREAM_NOTIFICATION];
break;
case AUDIO_CHANNEL_ALARM:
*aIndex = mCurrentStreamVolumeTbl[AUDIO_STREAM_ALARM];
break;
case AUDIO_CHANNEL_TELEPHONY:
*aIndex = mCurrentStreamVolumeTbl[AUDIO_STREAM_VOICE_CALL];
break;
default:
return NS_ERROR_INVALID_ARG;
}
return NS_OK;
}
NS_IMETHODIMP
AudioManager::GetMaxAudioChannelVolume(int32_t aChannel, int32_t* aMaxIndex) {
if (!aMaxIndex) {
return NS_ERROR_NULL_POINTER;
}
int32_t stream;
switch (aChannel) {
case AUDIO_CHANNEL_CONTENT:
MOZ_ASSERT(sMaxStreamVolumeTbl[AUDIO_STREAM_MUSIC] ==
sMaxStreamVolumeTbl[AUDIO_STREAM_SYSTEM]);
stream = AUDIO_STREAM_MUSIC;
break;
case AUDIO_CHANNEL_NOTIFICATION:
MOZ_ASSERT(sMaxStreamVolumeTbl[AUDIO_STREAM_NOTIFICATION] ==
sMaxStreamVolumeTbl[AUDIO_STREAM_RING]);
stream = AUDIO_STREAM_NOTIFICATION;
break;
case AUDIO_CHANNEL_ALARM:
stream = AUDIO_STREAM_ALARM;
break;
case AUDIO_CHANNEL_TELEPHONY:
stream = AUDIO_STREAM_VOICE_CALL;
break;
default:
return NS_ERROR_INVALID_ARG;
}
*aMaxIndex = sMaxStreamVolumeTbl[stream];
return NS_OK;
}
status_t
AudioManager::SetStreamVolumeIndex(int32_t aStream, int32_t aIndex) {
if (aIndex < 0 || aIndex > sMaxStreamVolumeTbl[aStream]) {
return BAD_VALUE;
}
mCurrentStreamVolumeTbl[aStream] = aIndex;
#if ANDROID_VERSION < 17
return AudioSystem::setStreamVolumeIndex(
static_cast<audio_stream_type_t>(aStream),
aIndex);
#else
int device = 0;
if (aStream == AUDIO_STREAM_BLUETOOTH_SCO) {
device = AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET;
} else if (aStream == AUDIO_STREAM_FM) {
device = AUDIO_DEVICE_OUT_FM;
}
if (device != 0) {
return AudioSystem::setStreamVolumeIndex(
static_cast<audio_stream_type_t>(aStream),
aIndex,
device);
}
status_t status = AudioSystem::setStreamVolumeIndex(
static_cast<audio_stream_type_t>(aStream),
aIndex,
AUDIO_DEVICE_OUT_SPEAKER);
status += AudioSystem::setStreamVolumeIndex(
static_cast<audio_stream_type_t>(aStream),
aIndex,
AUDIO_DEVICE_OUT_WIRED_HEADSET);
status += AudioSystem::setStreamVolumeIndex(
static_cast<audio_stream_type_t>(aStream),
aIndex,
AUDIO_DEVICE_OUT_WIRED_HEADPHONE);
status += AudioSystem::setStreamVolumeIndex(
static_cast<audio_stream_type_t>(aStream),
aIndex,
AUDIO_DEVICE_OUT_EARPIECE);
return status;
#endif
}
status_t
AudioManager::GetStreamVolumeIndex(int32_t aStream, int32_t *aIndex) {
if (!aIndex) {
return BAD_VALUE;
}
if (aStream <= AUDIO_STREAM_DEFAULT || aStream >= AUDIO_STREAM_MAX) {
return BAD_VALUE;
}
*aIndex = mCurrentStreamVolumeTbl[aStream];
return NO_ERROR;
}
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