audio policy for concurrent capture.
First implementation of concurrent capture policy:
Initially, only capture for HOTWORD or FM TUNER sources or
re-route submix is allowed at the same time as any other capture.
Several capture clients can share the same input stream. In this case
active clients are sorted by audio source priority level and the input
path configuration and routing is driven by the highest priority
active source.
Bug: 22702906
Change-Id: Icbedfe001c6243ecad7a7b57ab78d893b2b97402
diff --git a/services/audiopolicy/service/AudioPolicyEffects.cpp b/services/audiopolicy/service/AudioPolicyEffects.cpp
index f6f8276..eed545e 100644
--- a/services/audiopolicy/service/AudioPolicyEffects.cpp
+++ b/services/audiopolicy/service/AudioPolicyEffects.cpp
@@ -57,11 +57,11 @@
}
mInputSources.clear();
- for (i = 0; i < mInputs.size(); i++) {
- mInputs.valueAt(i)->mEffects.clear();
- delete mInputs.valueAt(i);
+ for (i = 0; i < mInputSessions.size(); i++) {
+ mInputSessions.valueAt(i)->mEffects.clear();
+ delete mInputSessions.valueAt(i);
}
- mInputs.clear();
+ mInputSessions.clear();
// release audio output processing resources
for (i = 0; i < mOutputStreams.size(); i++) {
@@ -79,7 +79,7 @@
status_t AudioPolicyEffects::addInputEffects(audio_io_handle_t input,
audio_source_t inputSource,
- int audioSession)
+ audio_session_t audioSession)
{
status_t status = NO_ERROR;
@@ -93,19 +93,19 @@
ALOGV("addInputEffects(): no processing needs to be attached to this source");
return status;
}
- ssize_t idx = mInputs.indexOfKey(input);
- EffectVector *inputDesc;
+ ssize_t idx = mInputSessions.indexOfKey(audioSession);
+ EffectVector *sessionDesc;
if (idx < 0) {
- inputDesc = new EffectVector(audioSession);
- mInputs.add(input, inputDesc);
+ sessionDesc = new EffectVector(audioSession);
+ mInputSessions.add(audioSession, sessionDesc);
} else {
// EffectVector is existing and we just need to increase ref count
- inputDesc = mInputs.valueAt(idx);
+ sessionDesc = mInputSessions.valueAt(idx);
}
- inputDesc->mRefCount++;
+ sessionDesc->mRefCount++;
- ALOGV("addInputEffects(): input: %d, refCount: %d", input, inputDesc->mRefCount);
- if (inputDesc->mRefCount == 1) {
+ ALOGV("addInputEffects(): input: %d, refCount: %d", input, sessionDesc->mRefCount);
+ if (sessionDesc->mRefCount == 1) {
Vector <EffectDesc *> effects = mInputSources.valueAt(index)->mEffects;
for (size_t i = 0; i < effects.size(); i++) {
EffectDesc *effect = effects[i];
@@ -123,36 +123,37 @@
}
ALOGV("addInputEffects(): added Fx %s on source: %d",
effect->mName, (int32_t)aliasSource);
- inputDesc->mEffects.add(fx);
+ sessionDesc->mEffects.add(fx);
}
- inputDesc->setProcessorEnabled(true);
+ sessionDesc->setProcessorEnabled(true);
}
return status;
}
-status_t AudioPolicyEffects::releaseInputEffects(audio_io_handle_t input)
+status_t AudioPolicyEffects::releaseInputEffects(audio_io_handle_t input,
+ audio_session_t audioSession)
{
status_t status = NO_ERROR;
Mutex::Autolock _l(mLock);
- ssize_t index = mInputs.indexOfKey(input);
+ ssize_t index = mInputSessions.indexOfKey(audioSession);
if (index < 0) {
return status;
}
- EffectVector *inputDesc = mInputs.valueAt(index);
- inputDesc->mRefCount--;
- ALOGV("releaseInputEffects(): input: %d, refCount: %d", input, inputDesc->mRefCount);
- if (inputDesc->mRefCount == 0) {
- inputDesc->setProcessorEnabled(false);
- delete inputDesc;
- mInputs.removeItemsAt(index);
+ EffectVector *sessionDesc = mInputSessions.valueAt(index);
+ sessionDesc->mRefCount--;
+ ALOGV("releaseInputEffects(): input: %d, refCount: %d", input, sessionDesc->mRefCount);
+ if (sessionDesc->mRefCount == 0) {
+ sessionDesc->setProcessorEnabled(false);
+ delete sessionDesc;
+ mInputSessions.removeItemsAt(index);
ALOGV("releaseInputEffects(): all effects released");
}
return status;
}
-status_t AudioPolicyEffects::queryDefaultInputEffects(int audioSession,
+status_t AudioPolicyEffects::queryDefaultInputEffects(audio_session_t audioSession,
effect_descriptor_t *descriptors,
uint32_t *count)
{
@@ -160,16 +161,16 @@
Mutex::Autolock _l(mLock);
size_t index;
- for (index = 0; index < mInputs.size(); index++) {
- if (mInputs.valueAt(index)->mSessionId == audioSession) {
+ for (index = 0; index < mInputSessions.size(); index++) {
+ if (mInputSessions.valueAt(index)->mSessionId == audioSession) {
break;
}
}
- if (index == mInputs.size()) {
+ if (index == mInputSessions.size()) {
*count = 0;
return BAD_VALUE;
}
- Vector< sp<AudioEffect> > effects = mInputs.valueAt(index)->mEffects;
+ Vector< sp<AudioEffect> > effects = mInputSessions.valueAt(index)->mEffects;
for (size_t i = 0; i < effects.size(); i++) {
effect_descriptor_t desc = effects[i]->descriptor();
@@ -185,7 +186,7 @@
}
-status_t AudioPolicyEffects::queryDefaultOutputSessionEffects(int audioSession,
+status_t AudioPolicyEffects::queryDefaultOutputSessionEffects(audio_session_t audioSession,
effect_descriptor_t *descriptors,
uint32_t *count)
{
@@ -220,7 +221,7 @@
status_t AudioPolicyEffects::addOutputSessionEffects(audio_io_handle_t output,
audio_stream_type_t stream,
- int audioSession)
+ audio_session_t audioSession)
{
status_t status = NO_ERROR;
@@ -275,7 +276,7 @@
status_t AudioPolicyEffects::releaseOutputSessionEffects(audio_io_handle_t output,
audio_stream_type_t stream,
- int audioSession)
+ audio_session_t audioSession)
{
status_t status = NO_ERROR;
(void) output; // argument not used for now