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-rw-r--r--include/media/AudioSystem.h1
-rw-r--r--include/media/IAudioPolicyService.h1
-rw-r--r--media/libmedia/AudioSystem.cpp7
-rw-r--r--media/libmedia/IAudioPolicyService.cpp21
-rw-r--r--services/audioflinger/AudioFlinger.cpp77
-rw-r--r--services/audioflinger/AudioFlinger.h6
-rw-r--r--services/audioflinger/AudioPolicyService.cpp8
-rw-r--r--services/audioflinger/AudioPolicyService.h1
8 files changed, 95 insertions, 27 deletions
diff --git a/include/media/AudioSystem.h b/include/media/AudioSystem.h
index eb22e32..e0d7898 100644
--- a/include/media/AudioSystem.h
+++ b/include/media/AudioSystem.h
@@ -183,6 +183,7 @@ public:
int session,
int id);
static status_t unregisterEffect(int id);
+ static status_t setEffectEnabled(int id, bool enabled);
static const sp<IAudioPolicyService>& get_audio_policy_service();
diff --git a/include/media/IAudioPolicyService.h b/include/media/IAudioPolicyService.h
index ed265e1..9807cbe 100644
--- a/include/media/IAudioPolicyService.h
+++ b/include/media/IAudioPolicyService.h
@@ -84,6 +84,7 @@ public:
int session,
int id) = 0;
virtual status_t unregisterEffect(int id) = 0;
+ virtual status_t setEffectEnabled(int id, bool enabled) = 0;
virtual bool isStreamActive(int stream, uint32_t inPastMs = 0) const = 0;
virtual status_t queryDefaultPreProcessing(int audioSession,
effect_descriptor_t *descriptors,
diff --git a/media/libmedia/AudioSystem.cpp b/media/libmedia/AudioSystem.cpp
index b26ed71..bb91fa9 100644
--- a/media/libmedia/AudioSystem.cpp
+++ b/media/libmedia/AudioSystem.cpp
@@ -710,6 +710,13 @@ status_t AudioSystem::unregisterEffect(int id)
return aps->unregisterEffect(id);
}
+status_t AudioSystem::setEffectEnabled(int id, bool enabled)
+{
+ const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
+ if (aps == 0) return PERMISSION_DENIED;
+ return aps->setEffectEnabled(id, enabled);
+}
+
status_t AudioSystem::isStreamActive(int stream, bool* state, uint32_t inPastMs)
{
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
diff --git a/media/libmedia/IAudioPolicyService.cpp b/media/libmedia/IAudioPolicyService.cpp
index 15f4be0..50b4855 100644
--- a/media/libmedia/IAudioPolicyService.cpp
+++ b/media/libmedia/IAudioPolicyService.cpp
@@ -53,7 +53,8 @@ enum {
UNREGISTER_EFFECT,
IS_STREAM_ACTIVE,
GET_DEVICES_FOR_STREAM,
- QUERY_DEFAULT_PRE_PROCESSING
+ QUERY_DEFAULT_PRE_PROCESSING,
+ SET_EFFECT_ENABLED
};
class BpAudioPolicyService : public BpInterface<IAudioPolicyService>
@@ -313,6 +314,16 @@ public:
return static_cast <status_t> (reply.readInt32());
}
+ virtual status_t setEffectEnabled(int id, bool enabled)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
+ data.writeInt32(id);
+ data.writeInt32(enabled);
+ remote()->transact(SET_EFFECT_ENABLED, data, &reply);
+ return static_cast <status_t> (reply.readInt32());
+ }
+
virtual bool isStreamActive(int stream, uint32_t inPastMs) const
{
Parcel data, reply;
@@ -577,6 +588,14 @@ status_t BnAudioPolicyService::onTransact(
return NO_ERROR;
} break;
+ case SET_EFFECT_ENABLED: {
+ CHECK_INTERFACE(IAudioPolicyService, data, reply);
+ int id = data.readInt32();
+ bool enabled = static_cast <bool>(data.readInt32());
+ reply->writeInt32(static_cast <int32_t>(setEffectEnabled(id, enabled)));
+ return NO_ERROR;
+ } break;
+
case IS_STREAM_ACTIVE: {
CHECK_INTERFACE(IAudioPolicyService, data, reply);
int stream = data.readInt32();
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index d6bfda6..95c469d 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -1232,18 +1232,6 @@ void AudioFlinger::ThreadBase::checkSuspendOnAddEffectChain_l(const sp<EffectCha
}
}
-void AudioFlinger::ThreadBase::updateSuspendedSessionsOnRemoveEffectChain_l(
- const sp<EffectChain>& chain)
-{
- int index = mSuspendedSessions.indexOfKey(chain->sessionId());
- if (index < 0) {
- return;
- }
- LOGV("updateSuspendedSessionsOnRemoveEffectChain_l() removed suspended session %d",
- chain->sessionId());
- mSuspendedSessions.removeItemsAt(index);
-}
-
void AudioFlinger::ThreadBase::updateSuspendedSessions_l(const effect_uuid_t *type,
bool suspend,
int sessionId)
@@ -1311,7 +1299,14 @@ void AudioFlinger::ThreadBase::checkSuspendOnEffectEnabled(const sp<EffectModule
{
Mutex::Autolock _l(mLock);
- // TODO: implement PlaybackThread or RecordThread specific behavior here
+ if (mType != RECORD) {
+ // suspend all effects in AUDIO_SESSION_OUTPUT_MIX when enabling any effect on
+ // another session. This gives the priority to well behaved effect control panels
+ // and applications not using global effects.
+ if (sessionId != AUDIO_SESSION_OUTPUT_MIX) {
+ setEffectSuspended_l(NULL, enabled, AUDIO_SESSION_OUTPUT_MIX);
+ }
+ }
sp<EffectChain> chain = getEffectChain_l(sessionId);
if (chain != 0) {
@@ -5847,7 +5842,6 @@ size_t AudioFlinger::PlaybackThread::removeEffectChain_l(const sp<EffectChain>&
for (size_t i = 0; i < mEffectChains.size(); i++) {
if (chain == mEffectChains[i]) {
- updateSuspendedSessionsOnRemoveEffectChain_l(chain);
mEffectChains.removeAt(i);
// detach all active tracks from the chain
for (size_t i = 0 ; i < mActiveTracks.size() ; ++i) {
@@ -5939,7 +5933,6 @@ size_t AudioFlinger::RecordThread::removeEffectChain_l(const sp<EffectChain>& ch
"removeEffectChain_l() %p invalid chain size %d on thread %p",
chain.get(), mEffectChains.size(), this);
if (mEffectChains.size() == 1) {
- updateSuspendedSessionsOnRemoveEffectChain_l(chain);
mEffectChains.removeAt(0);
}
return 0;
@@ -6393,10 +6386,16 @@ status_t AudioFlinger::EffectModule::command(uint32_t cmdCode,
status_t AudioFlinger::EffectModule::setEnabled(bool enabled)
{
+
Mutex::Autolock _l(mLock);
LOGV("setEnabled %p enabled %d", this, enabled);
if (enabled != isEnabled()) {
+ status_t status = AudioSystem::setEffectEnabled(mId, enabled);
+ if (enabled && status != NO_ERROR) {
+ return status;
+ }
+
switch (mState) {
// going from disabled to enabled
case IDLE:
@@ -6704,6 +6703,10 @@ status_t AudioFlinger::EffectHandle::enable()
if (!mHasControl) return INVALID_OPERATION;
if (mEffect == 0) return DEAD_OBJECT;
+ if (mEnabled) {
+ return NO_ERROR;
+ }
+
mEnabled = true;
sp<ThreadBase> thread = mEffect->thread().promote();
@@ -6716,7 +6719,14 @@ status_t AudioFlinger::EffectHandle::enable()
return NO_ERROR;
}
- return mEffect->setEnabled(true);
+ status_t status = mEffect->setEnabled(true);
+ if (status != NO_ERROR) {
+ if (thread != 0) {
+ thread->checkSuspendOnEffectEnabled(mEffect, false, mEffect->sessionId());
+ }
+ mEnabled = false;
+ }
+ return status;
}
status_t AudioFlinger::EffectHandle::disable()
@@ -6725,6 +6735,9 @@ status_t AudioFlinger::EffectHandle::disable()
if (!mHasControl) return INVALID_OPERATION;
if (mEffect == 0) return DEAD_OBJECT;
+ if (!mEnabled) {
+ return NO_ERROR;
+ }
mEnabled = false;
if (mEffect->suspended()) {
@@ -6754,9 +6767,11 @@ void AudioFlinger::EffectHandle::disconnect(bool unpiniflast)
}
mEffect->disconnect(this, unpiniflast);
- sp<ThreadBase> thread = mEffect->thread().promote();
- if (thread != 0) {
- thread->checkSuspendOnEffectEnabled(mEffect, false, mEffect->sessionId());
+ if (mEnabled) {
+ sp<ThreadBase> thread = mEffect->thread().promote();
+ if (thread != 0) {
+ thread->checkSuspendOnEffectEnabled(mEffect, false, mEffect->sessionId());
+ }
}
// release sp on module => module destructor can be called now
@@ -7367,15 +7382,22 @@ void AudioFlinger::EffectChain::setEffectSuspendedAll_l(bool suspend)
}
}
+bool AudioFlinger::EffectChain::isEffectEligibleForSuspend(const effect_descriptor_t& desc)
+{
+ // auxiliary effects and visualizer are never suspended on output mix
+ if ((mSessionId == AUDIO_SESSION_OUTPUT_MIX) &&
+ (((desc.flags & EFFECT_FLAG_TYPE_MASK) == EFFECT_FLAG_TYPE_AUXILIARY) ||
+ (memcmp(&desc.type, SL_IID_VISUALIZATION, sizeof(effect_uuid_t)) == 0))) {
+ return false;
+ }
+ return true;
+}
+
Vector< sp<AudioFlinger::EffectModule> > AudioFlinger::EffectChain::getSuspendEligibleEffects()
{
Vector< sp<EffectModule> > effects;
for (size_t i = 0; i < mEffects.size(); i++) {
- effect_descriptor_t desc = mEffects[i]->desc();
- // auxiliary effects and vizualizer are never suspended on output mix
- if ((mSessionId == AUDIO_SESSION_OUTPUT_MIX) && (
- ((desc.flags & EFFECT_FLAG_TYPE_MASK) == EFFECT_FLAG_TYPE_AUXILIARY) ||
- (memcmp(&desc.type, SL_IID_VISUALIZATION, sizeof(effect_uuid_t)) == 0))) {
+ if (!isEffectEligibleForSuspend(mEffects[i]->desc())) {
continue;
}
effects.add(mEffects[i]);
@@ -7405,8 +7427,15 @@ void AudioFlinger::EffectChain::checkSuspendOnEffectEnabled(const sp<EffectModul
if (index < 0) {
return;
}
+ if (!isEffectEligibleForSuspend(effect->desc())) {
+ return;
+ }
setEffectSuspended_l(&effect->desc().type, enabled);
index = mSuspendedEffects.indexOfKey(effect->desc().type.timeLow);
+ if (index < 0) {
+ LOGW("checkSuspendOnEffectEnabled() Fx should be suspended here!");
+ return;
+ }
}
LOGV("checkSuspendOnEffectEnabled() enable suspending fx %08x",
effect->desc().type.timeLow);
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 3a0aac9..1141f6c 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -522,8 +522,6 @@ private:
int sessionId);
// check if some effects must be suspended when an effect chain is added
void checkSuspendOnAddEffectChain_l(const sp<EffectChain>& chain);
- // updated mSuspendedSessions when an effect chain is removed
- void updateSuspendedSessionsOnRemoveEffectChain_l(const sp<EffectChain>& chain);
friend class AudioFlinger;
friend class Track;
@@ -1320,6 +1318,10 @@ private:
Vector< sp<EffectModule> > getSuspendEligibleEffects();
// get an effect module if it is currently enable
sp<EffectModule> getEffectIfEnabled(const effect_uuid_t *type);
+ // true if the effect whose descriptor is passed can be suspended
+ // OEMs can modify the rules implemented in this method to exclude specific effect
+ // types or implementations from the suspend/restore mechanism.
+ bool isEffectEligibleForSuspend(const effect_descriptor_t& desc);
wp<ThreadBase> mThread; // parent mixer thread
Mutex mLock; // mutex protecting effect list
diff --git a/services/audioflinger/AudioPolicyService.cpp b/services/audioflinger/AudioPolicyService.cpp
index 6d06d83..d747b5a 100644
--- a/services/audioflinger/AudioPolicyService.cpp
+++ b/services/audioflinger/AudioPolicyService.cpp
@@ -488,6 +488,14 @@ status_t AudioPolicyService::unregisterEffect(int id)
return mpAudioPolicy->unregister_effect(mpAudioPolicy, id);
}
+status_t AudioPolicyService::setEffectEnabled(int id, bool enabled)
+{
+ if (mpAudioPolicy == NULL) {
+ return NO_INIT;
+ }
+ return mpAudioPolicy->set_effect_enabled(mpAudioPolicy, id, enabled);
+}
+
bool AudioPolicyService::isStreamActive(int stream, uint32_t inPastMs) const
{
if (mpAudioPolicy == NULL) {
diff --git a/services/audioflinger/AudioPolicyService.h b/services/audioflinger/AudioPolicyService.h
index 834b794..d898a53 100644
--- a/services/audioflinger/AudioPolicyService.h
+++ b/services/audioflinger/AudioPolicyService.h
@@ -102,6 +102,7 @@ public:
int session,
int id);
virtual status_t unregisterEffect(int id);
+ virtual status_t setEffectEnabled(int id, bool enabled);
virtual bool isStreamActive(int stream, uint32_t inPastMs = 0) const;
virtual status_t queryDefaultPreProcessing(int audioSession,
generated by cgit v1.1 at 2024-05-17 02:48:01 +0000