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-rw-r--r--include/media/AudioSystem.h17
-rw-r--r--include/media/AudioTrack.h24
-rw-r--r--include/media/IAudioPolicyService.h1
-rw-r--r--media/libmedia/AudioSystem.cpp3
-rw-r--r--media/libmedia/AudioTrack.cpp33
-rw-r--r--media/libmedia/IAudioPolicyService.cpp5
-rw-r--r--services/audiopolicy/AudioPolicyInterface.h1
-rw-r--r--services/audiopolicy/common/managerdefinitions/include/AudioOutputDescriptor.h1
-rw-r--r--services/audiopolicy/common/managerdefinitions/include/AudioPort.h1
-rw-r--r--services/audiopolicy/common/managerdefinitions/include/DeviceDescriptor.h1
-rw-r--r--services/audiopolicy/common/managerdefinitions/src/AudioOutputDescriptor.cpp6
-rw-r--r--services/audiopolicy/common/managerdefinitions/src/AudioPort.cpp4
-rw-r--r--services/audiopolicy/common/managerdefinitions/src/DeviceDescriptor.cpp12
-rw-r--r--services/audiopolicy/managerdefault/AudioPolicyManager.cpp121
-rw-r--r--services/audiopolicy/managerdefault/AudioPolicyManager.h44
-rw-r--r--services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp3
-rw-r--r--services/audiopolicy/service/AudioPolicyInterfaceImplLegacy.cpp1
-rw-r--r--services/audiopolicy/service/AudioPolicyService.h1
18 files changed, 251 insertions, 28 deletions
diff --git a/include/media/AudioSystem.h b/include/media/AudioSystem.h
index f5db1bb..3b6db8c 100644
--- a/include/media/AudioSystem.h
+++ b/include/media/AudioSystem.h
@@ -221,14 +221,15 @@ public:
audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,
const audio_offload_info_t *offloadInfo = NULL);
static status_t getOutputForAttr(const audio_attributes_t *attr,
- audio_io_handle_t *output,
- audio_session_t session,
- audio_stream_type_t *stream,
- uint32_t samplingRate = 0,
- audio_format_t format = AUDIO_FORMAT_DEFAULT,
- audio_channel_mask_t channelMask = AUDIO_CHANNEL_OUT_STEREO,
- audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,
- const audio_offload_info_t *offloadInfo = NULL);
+ audio_io_handle_t *output,
+ audio_session_t session,
+ audio_stream_type_t *stream,
+ uint32_t samplingRate = 0,
+ audio_format_t format = AUDIO_FORMAT_DEFAULT,
+ audio_channel_mask_t channelMask = AUDIO_CHANNEL_OUT_STEREO,
+ audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,
+ audio_port_handle_t selectedDeviceId = AUDIO_PORT_HANDLE_NONE,
+ const audio_offload_info_t *offloadInfo = NULL);
static status_t startOutput(audio_io_handle_t output,
audio_stream_type_t stream,
audio_session_t session);
diff --git a/include/media/AudioTrack.h b/include/media/AudioTrack.h
index d9b7057..e7e0703 100644
--- a/include/media/AudioTrack.h
+++ b/include/media/AudioTrack.h
@@ -477,6 +477,26 @@ private:
audio_io_handle_t getOutput() const;
public:
+ /* Selects the audio device to use for output of this AudioTrack. A value of
+ * AUDIO_PORT_HANDLE_NONE indicates default (AudioPolicyManager) routing.
+ *
+ * Parameters:
+ * The device ID of the selected device (as returned by the AudioDevicesManager API).
+ *
+ * Returned value:
+ * - NO_ERROR: successful operation
+ * TODO: what else can happen here?
+ */
+ status_t setOutputDevice(audio_port_handle_t deviceId);
+
+ /* Returns the ID of the audio device used for output of this AudioTrack.
+ * A value of AUDIO_PORT_HANDLE_NONE indicates default (AudioPolicyManager) routing.
+ *
+ * Parameters:
+ * none.
+ */
+ audio_port_handle_t getOutputDevice();
+
/* Returns the unique session ID associated with this track.
*
* Parameters:
@@ -817,6 +837,10 @@ protected:
bool mInUnderrun; // whether track is currently in underrun state
uint32_t mPausedPosition;
+ // For Device Selection API
+ // a value of AUDIO_PORT_HANDLE_NONE indicated default (AudioPolicyManager) routing.
+ int mSelectedDeviceId;
+
private:
class DeathNotifier : public IBinder::DeathRecipient {
public:
diff --git a/include/media/IAudioPolicyService.h b/include/media/IAudioPolicyService.h
index fecc6f1..7506153 100644
--- a/include/media/IAudioPolicyService.h
+++ b/include/media/IAudioPolicyService.h
@@ -66,6 +66,7 @@ public:
audio_format_t format = AUDIO_FORMAT_DEFAULT,
audio_channel_mask_t channelMask = 0,
audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,
+ audio_port_handle_t selectedDeviceId = AUDIO_PORT_HANDLE_NONE,
const audio_offload_info_t *offloadInfo = NULL) = 0;
virtual status_t startOutput(audio_io_handle_t output,
audio_stream_type_t stream,
diff --git a/media/libmedia/AudioSystem.cpp b/media/libmedia/AudioSystem.cpp
index 9150a94..8db72ee 100644
--- a/media/libmedia/AudioSystem.cpp
+++ b/media/libmedia/AudioSystem.cpp
@@ -658,13 +658,14 @@ status_t AudioSystem::getOutputForAttr(const audio_attributes_t *attr,
audio_format_t format,
audio_channel_mask_t channelMask,
audio_output_flags_t flags,
+ audio_port_handle_t selectedDeviceId,
const audio_offload_info_t *offloadInfo)
{
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
if (aps == 0) return NO_INIT;
return aps->getOutputForAttr(attr, output, session, stream,
samplingRate, format, channelMask,
- flags, offloadInfo);
+ flags, selectedDeviceId, offloadInfo);
}
status_t AudioSystem::startOutput(audio_io_handle_t output,
diff --git a/media/libmedia/AudioTrack.cpp b/media/libmedia/AudioTrack.cpp
index ce30c62..9e9ec5b 100644
--- a/media/libmedia/AudioTrack.cpp
+++ b/media/libmedia/AudioTrack.cpp
@@ -121,7 +121,8 @@ AudioTrack::AudioTrack()
mIsTimed(false),
mPreviousPriority(ANDROID_PRIORITY_NORMAL),
mPreviousSchedulingGroup(SP_DEFAULT),
- mPausedPosition(0)
+ mPausedPosition(0),
+ mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE)
{
mAttributes.content_type = AUDIO_CONTENT_TYPE_UNKNOWN;
mAttributes.usage = AUDIO_USAGE_UNKNOWN;
@@ -149,7 +150,8 @@ AudioTrack::AudioTrack(
mIsTimed(false),
mPreviousPriority(ANDROID_PRIORITY_NORMAL),
mPreviousSchedulingGroup(SP_DEFAULT),
- mPausedPosition(0)
+ mPausedPosition(0),
+ mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE)
{
mStatus = set(streamType, sampleRate, format, channelMask,
frameCount, flags, cbf, user, notificationFrames,
@@ -177,7 +179,8 @@ AudioTrack::AudioTrack(
mIsTimed(false),
mPreviousPriority(ANDROID_PRIORITY_NORMAL),
mPreviousSchedulingGroup(SP_DEFAULT),
- mPausedPosition(0)
+ mPausedPosition(0),
+ mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE)
{
mStatus = set(streamType, sampleRate, format, channelMask,
0 /*frameCount*/, flags, cbf, user, notificationFrames,
@@ -928,6 +931,21 @@ audio_io_handle_t AudioTrack::getOutput() const
return mOutput;
}
+status_t AudioTrack::setOutputDevice(audio_port_handle_t deviceId) {
+ AutoMutex lock(mLock);
+ if (mSelectedDeviceId != deviceId) {
+ mSelectedDeviceId = deviceId;
+ return restoreTrack_l("setOutputDevice() restart");
+ } else {
+ return NO_ERROR;
+ }
+}
+
+audio_port_handle_t AudioTrack::getOutputDevice() {
+ AutoMutex lock(mLock);
+ return mSelectedDeviceId;
+}
+
status_t AudioTrack::attachAuxEffect(int effectId)
{
AutoMutex lock(mLock);
@@ -960,11 +978,12 @@ status_t AudioTrack::createTrack_l()
audio_io_handle_t output;
audio_stream_type_t streamType = mStreamType;
audio_attributes_t *attr = (mStreamType == AUDIO_STREAM_DEFAULT) ? &mAttributes : NULL;
- status_t status = AudioSystem::getOutputForAttr(attr, &output,
- (audio_session_t)mSessionId, &streamType,
- mSampleRate, mFormat, mChannelMask,
- mFlags, mOffloadInfo);
+ status_t status;
+ status = AudioSystem::getOutputForAttr(attr, &output,
+ (audio_session_t)mSessionId, &streamType,
+ mSampleRate, mFormat, mChannelMask,
+ mFlags, mSelectedDeviceId, mOffloadInfo);
if (status != NO_ERROR || output == AUDIO_IO_HANDLE_NONE) {
ALOGE("Could not get audio output for session %d, stream type %d, usage %d, sample rate %u, format %#x,"
diff --git a/media/libmedia/IAudioPolicyService.cpp b/media/libmedia/IAudioPolicyService.cpp
index 39374d8..4b86532 100644
--- a/media/libmedia/IAudioPolicyService.cpp
+++ b/media/libmedia/IAudioPolicyService.cpp
@@ -173,6 +173,7 @@ public:
audio_format_t format,
audio_channel_mask_t channelMask,
audio_output_flags_t flags,
+ audio_port_handle_t selectedDeviceId,
const audio_offload_info_t *offloadInfo)
{
Parcel data, reply;
@@ -208,6 +209,7 @@ public:
data.writeInt32(static_cast <uint32_t>(format));
data.writeInt32(channelMask);
data.writeInt32(static_cast <uint32_t>(flags));
+ data.writeInt32(selectedDeviceId);
// hasOffloadInfo
if (offloadInfo == NULL) {
data.writeInt32(0);
@@ -815,6 +817,7 @@ status_t BnAudioPolicyService::onTransact(
audio_channel_mask_t channelMask = data.readInt32();
audio_output_flags_t flags =
static_cast <audio_output_flags_t>(data.readInt32());
+ audio_port_handle_t selectedDeviceId = data.readInt32();
bool hasOffloadInfo = data.readInt32() != 0;
audio_offload_info_t offloadInfo;
if (hasOffloadInfo) {
@@ -824,7 +827,7 @@ status_t BnAudioPolicyService::onTransact(
status_t status = getOutputForAttr(hasAttributes ? &attr : NULL,
&output, session, &stream,
samplingRate, format, channelMask,
- flags, hasOffloadInfo ? &offloadInfo : NULL);
+ flags, selectedDeviceId, hasOffloadInfo ? &offloadInfo : NULL);
reply->writeInt32(status);
reply->writeInt32(output);
reply->writeInt32(stream);
diff --git a/services/audiopolicy/AudioPolicyInterface.h b/services/audiopolicy/AudioPolicyInterface.h
index 116d0d6..48d0e29 100644
--- a/services/audiopolicy/AudioPolicyInterface.h
+++ b/services/audiopolicy/AudioPolicyInterface.h
@@ -110,6 +110,7 @@ public:
audio_format_t format,
audio_channel_mask_t channelMask,
audio_output_flags_t flags,
+ int selectedDeviceId,
const audio_offload_info_t *offloadInfo) = 0;
// indicates to the audio policy manager that the output starts being used by corresponding stream.
virtual status_t startOutput(audio_io_handle_t output,
diff --git a/services/audiopolicy/common/managerdefinitions/include/AudioOutputDescriptor.h b/services/audiopolicy/common/managerdefinitions/include/AudioOutputDescriptor.h
index 43ee691..c3f584e 100644
--- a/services/audiopolicy/common/managerdefinitions/include/AudioOutputDescriptor.h
+++ b/services/audiopolicy/common/managerdefinitions/include/AudioOutputDescriptor.h
@@ -36,6 +36,7 @@ public:
AudioOutputDescriptor(const sp<IOProfile>& profile);
status_t dump(int fd);
+ void log(const char* indent);
audio_devices_t device() const;
void changeRefCount(audio_stream_type_t stream, int delta);
diff --git a/services/audiopolicy/common/managerdefinitions/include/AudioPort.h b/services/audiopolicy/common/managerdefinitions/include/AudioPort.h
index 4f7f2bc..16eac50 100644
--- a/services/audiopolicy/common/managerdefinitions/include/AudioPort.h
+++ b/services/audiopolicy/common/managerdefinitions/include/AudioPort.h
@@ -78,6 +78,7 @@ public:
audio_module_handle_t getModuleHandle() const;
void dump(int fd, int spaces) const;
+ void log(const char* indent) const;
String8 mName;
audio_port_type_t mType;
diff --git a/services/audiopolicy/common/managerdefinitions/include/DeviceDescriptor.h b/services/audiopolicy/common/managerdefinitions/include/DeviceDescriptor.h
index d15f6b4..d6daacd 100644
--- a/services/audiopolicy/common/managerdefinitions/include/DeviceDescriptor.h
+++ b/services/audiopolicy/common/managerdefinitions/include/DeviceDescriptor.h
@@ -46,6 +46,7 @@ public:
audio_devices_t type() const { return mDeviceType; }
status_t dump(int fd, int spaces, int index) const;
+ void log() const;
String8 mAddress;
audio_port_handle_t mId;
diff --git a/services/audiopolicy/common/managerdefinitions/src/AudioOutputDescriptor.cpp b/services/audiopolicy/common/managerdefinitions/src/AudioOutputDescriptor.cpp
index cdb5b51..7207a71 100644
--- a/services/audiopolicy/common/managerdefinitions/src/AudioOutputDescriptor.cpp
+++ b/services/audiopolicy/common/managerdefinitions/src/AudioOutputDescriptor.cpp
@@ -226,6 +226,12 @@ status_t AudioOutputDescriptor::dump(int fd)
return NO_ERROR;
}
+void AudioOutputDescriptor::log(const char* indent)
+{
+ ALOGI("%sID: %d,0x%X, [rt:%d fmt:0x%X ch:0x%X] hndl:%d",
+ indent, mId, mId, mSamplingRate, mFormat, mChannelMask, mIoHandle);
+}
+
bool AudioOutputCollection::isStreamActive(audio_stream_type_t stream, uint32_t inPastMs) const
{
nsecs_t sysTime = systemTime();
diff --git a/services/audiopolicy/common/managerdefinitions/src/AudioPort.cpp b/services/audiopolicy/common/managerdefinitions/src/AudioPort.cpp
index 46a119e..2bbcc05 100644
--- a/services/audiopolicy/common/managerdefinitions/src/AudioPort.cpp
+++ b/services/audiopolicy/common/managerdefinitions/src/AudioPort.cpp
@@ -694,6 +694,10 @@ void AudioPort::dump(int fd, int spaces) const
}
}
+void AudioPort::log(const char* indent) const
+{
+ ALOGI("%s Port[nm:%s, type:%d, role:%d]", indent, mName.string(), mType, mRole);
+}
// --- AudioPortConfig class implementation
diff --git a/services/audiopolicy/common/managerdefinitions/src/DeviceDescriptor.cpp b/services/audiopolicy/common/managerdefinitions/src/DeviceDescriptor.cpp
index 7df7d75..9249d47 100644
--- a/services/audiopolicy/common/managerdefinitions/src/DeviceDescriptor.cpp
+++ b/services/audiopolicy/common/managerdefinitions/src/DeviceDescriptor.cpp
@@ -317,4 +317,16 @@ status_t DeviceDescriptor::dump(int fd, int spaces, int index) const
return NO_ERROR;
}
+void DeviceDescriptor::log() const
+{
+ ALOGI("Device id:%d type:0x%X:%s, addr:%s",
+ mId,
+ mDeviceType,
+ ConfigParsingUtils::enumToString(
+ sDeviceNameToEnumTable, ARRAY_SIZE(sDeviceNameToEnumTable), mDeviceType),
+ mAddress.string());
+
+ AudioPort::log(" ");
+}
+
}; // namespace android
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
index 797a2b4..804a64b 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
@@ -621,6 +621,7 @@ status_t AudioPolicyManager::getOutputForAttr(const audio_attributes_t *attr,
audio_format_t format,
audio_channel_mask_t channelMask,
audio_output_flags_t flags,
+ audio_port_handle_t selectedDeviceId,
const audio_offload_info_t *offloadInfo)
{
audio_attributes_t attributes;
@@ -675,6 +676,17 @@ status_t AudioPolicyManager::getOutputForAttr(const audio_attributes_t *attr,
if (*output == AUDIO_IO_HANDLE_NONE) {
return INVALID_OPERATION;
}
+
+ // Explicit routing?
+ sp<DeviceDescriptor> deviceDesc;
+
+ for (size_t i = 0; i < mAvailableOutputDevices.size(); i++) {
+ if (mAvailableOutputDevices[i]->getHandle() == selectedDeviceId) {
+ deviceDesc = mAvailableOutputDevices[i];
+ break;
+ }
+ }
+ mOutputRoutes.addRoute(session, *stream, deviceDesc);
return NO_ERROR;
}
@@ -856,7 +868,6 @@ audio_io_handle_t AudioPolicyManager::getOutputForDevice(
}
non_direct_output:
-
// ignoring channel mask due to downmix capability in mixer
// open a non direct output
@@ -874,7 +885,7 @@ non_direct_output:
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("getOutput() returns output %d", output);
+ ALOGV(" getOutputForDevice() returns output %d", output);
return output;
}
@@ -941,7 +952,8 @@ status_t AudioPolicyManager::startOutput(audio_io_handle_t output,
audio_stream_type_t stream,
audio_session_t session)
{
- ALOGV("startOutput() output %d, stream %d, session %d", output, stream, session);
+ ALOGV("startOutput() output %d, stream %d, session %d",
+ output, stream, session);
ssize_t index = mOutputs.indexOfKey(output);
if (index < 0) {
ALOGW("startOutput() unknown output %d", output);
@@ -963,12 +975,14 @@ status_t AudioPolicyManager::startOutput(audio_io_handle_t output,
}
sp<AudioOutputDescriptor> outputDesc = mOutputs.valueAt(index);
-
// 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);
+ // Routing?
+ mOutputRoutes.incRouteActivity(session);
+
if (outputDesc->mRefCount[stream] == 1) {
// starting an output being rerouted?
audio_devices_t newDevice;
@@ -1067,6 +1081,10 @@ status_t AudioPolicyManager::stopOutput(audio_io_handle_t output,
if (outputDesc->mRefCount[stream] > 0) {
// decrement usage count of this stream on the output
outputDesc->changeRefCount(stream, -1);
+
+ // Routing?
+ mOutputRoutes.decRouteActivity(session);
+
// store time at which the stream was stopped - see isStreamActive()
if (outputDesc->mRefCount[stream] == 0) {
// Automatically disable the remote submix input when output is stopped on a
@@ -1138,6 +1156,9 @@ void AudioPolicyManager::releaseOutput(audio_io_handle_t output,
}
#endif //AUDIO_POLICY_TEST
+ // Routing
+ mOutputRoutes.removeRoute(session);
+
sp<AudioOutputDescriptor> desc = mOutputs.valueAt(index);
if (desc->mFlags & AUDIO_OUTPUT_FLAG_DIRECT) {
if (desc->mDirectOpenCount <= 0) {
@@ -3779,6 +3800,21 @@ uint32_t AudioPolicyManager::setBeaconMute(bool mute) {
audio_devices_t AudioPolicyManager::getDeviceForStrategy(routing_strategy strategy,
bool fromCache)
{
+ // Routing
+ // see if we have an explicit route
+ // scan the whole RouteMap, for each entry, convert the stream type to a strategy
+ // (getStrategy(stream)).
+ // if the strategy from the stream type in the RouteMap is the same as the argument above,
+ // and activity count is non-zero
+ // the device = the device from the descriptor in the RouteMap, and exit.
+ for (size_t routeIndex = 0; routeIndex < mOutputRoutes.size(); routeIndex++) {
+ sp<SessionRoute> route = mOutputRoutes.valueAt(routeIndex);
+ routing_strategy strat = getStrategy(route->mStreamType);
+ if (strat == strategy && route->mDeviceDescriptor != 0 /*&& route->mActivityCount != 0*/) {
+ return route->mDeviceDescriptor->type();
+ }
+ }
+
if (fromCache) {
ALOGVV("getDeviceForStrategy() from cache strategy %d, device %x",
strategy, mDeviceForStrategy[strategy]);
@@ -3895,8 +3931,8 @@ uint32_t AudioPolicyManager::setOutputDevice(audio_io_handle_t output,
}
// no need to proceed if new device is not AUDIO_DEVICE_NONE and not supported by current
// output profile
- if ((device != AUDIO_DEVICE_NONE) &&
- ((device & outputDesc->mProfile->mSupportedDevices.types()) == 0)) {
+ if (device != AUDIO_DEVICE_NONE &&
+ (device & outputDesc->mProfile->mSupportedDevices.types()) == 0) {
return 0;
}
@@ -3905,7 +3941,7 @@ uint32_t AudioPolicyManager::setOutputDevice(audio_io_handle_t output,
audio_devices_t prevDevice = outputDesc->mDevice;
- ALOGV("setOutputDevice() prevDevice %04x", prevDevice);
+ ALOGV("setOutputDevice() prevDevice 0x%04x", prevDevice);
if (device != AUDIO_DEVICE_NONE) {
outputDesc->mDevice = device;
@@ -3918,9 +3954,10 @@ uint32_t AudioPolicyManager::setOutputDevice(audio_io_handle_t output,
// AND force is not specified
// AND the output is connected by a valid audio patch.
// Doing this check here allows the caller to call setOutputDevice() without conditions
- if ((device == AUDIO_DEVICE_NONE || device == prevDevice) && !force &&
- outputDesc->mPatchHandle != 0) {
- ALOGV("setOutputDevice() setting same device %04x or null device for output %d",
+ if ((device == AUDIO_DEVICE_NONE || device == prevDevice) &&
+ !force &&
+ outputDesc->mPatchHandle != 0) {
+ ALOGV("setOutputDevice() setting same device 0x%04x or null device for output %d",
device, output);
return muteWaitMs;
}
@@ -4406,6 +4443,70 @@ void AudioPolicyManager::handleIncallSonification(audio_stream_type_t stream,
}
}
+// --- SessionRoute class implementation
+void AudioPolicyManager::SessionRoute::log(const char* prefix) {
+ ALOGI("%s[SessionRoute strm:0x%X, sess:0x%X, dev:0x%X refs:%d act:%d",
+ prefix, mStreamType, mSession,
+ mDeviceDescriptor != 0 ? mDeviceDescriptor->type() : AUDIO_DEVICE_NONE,
+ mRefCount, mActivityCount);
+}
+
+// --- SessionRouteMap class implementation
+bool AudioPolicyManager::SessionRouteMap::hasRoute(audio_session_t session)
+{
+ return indexOfKey(session) >= 0 && valueFor(session)->mDeviceDescriptor != 0;
+}
+
+void AudioPolicyManager::SessionRouteMap::addRoute(audio_session_t session,
+ audio_stream_type_t streamType,
+ sp<DeviceDescriptor> deviceDescriptor)
+{
+ sp<SessionRoute> route = indexOfKey(session) >= 0 ? valueFor(session) : 0;
+ if (route != NULL) {
+ route->mRefCount++;
+ route->mDeviceDescriptor = deviceDescriptor;
+ } else {
+ route = new AudioPolicyManager::SessionRoute(session, streamType, deviceDescriptor);
+ route->mRefCount++;
+ add(session, route);
+ }
+}
+
+void AudioPolicyManager::SessionRouteMap::removeRoute(audio_session_t session)
+{
+ sp<SessionRoute> route = indexOfKey(session) >= 0 ? valueFor(session) : 0;
+ if (route != 0) {
+ ALOG_ASSERT(route->mRefCount > 0);
+ --route->mRefCount;
+ if (route->mRefCount <= 0) {
+ removeItem(session);
+ }
+ }
+}
+
+int AudioPolicyManager::SessionRouteMap::incRouteActivity(audio_session_t session)
+{
+ sp<SessionRoute> route = indexOfKey(session) >= 0 ? valueFor(session) : 0;
+ return route != 0 ? ++(route->mActivityCount) : -1;
+}
+
+int AudioPolicyManager::SessionRouteMap::decRouteActivity(audio_session_t session)
+{
+ sp<SessionRoute> route = indexOfKey(session) >= 0 ? valueFor(session) : 0;
+ if (route != 0 && route->mActivityCount > 0) {
+ return --(route->mActivityCount);
+ } else {
+ return -1;
+ }
+}
+
+void AudioPolicyManager::SessionRouteMap::log(const char* caption) {
+ ALOGI("%s ----", caption);
+ for(size_t index = 0; index < size(); index++) {
+ valueAt(index)->log(" ");
+ }
+}
+
void AudioPolicyManager::defaultAudioPolicyConfig(void)
{
sp<HwModule> module;
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.h b/services/audiopolicy/managerdefault/AudioPolicyManager.h
index 02b678a..9fab9ef 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.h
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.h
@@ -110,6 +110,7 @@ public:
audio_format_t format,
audio_channel_mask_t channelMask,
audio_output_flags_t flags,
+ audio_port_handle_t selectedDeviceId,
const audio_offload_info_t *offloadInfo);
virtual status_t startOutput(audio_io_handle_t output,
audio_stream_type_t stream,
@@ -227,6 +228,46 @@ public:
// return the strategy corresponding to a given stream type
routing_strategy getStrategy(audio_stream_type_t stream) const;
+protected:
+ class SessionRoute : public RefBase
+ {
+ public:
+ friend class SessionRouteMap;
+ SessionRoute(audio_session_t session,
+ audio_stream_type_t streamType,
+ sp<DeviceDescriptor> deviceDescriptor)
+ : mSession(session),
+ mStreamType(streamType),
+ mDeviceDescriptor(deviceDescriptor),
+ mRefCount(0),
+ mActivityCount(0) {}
+
+ audio_session_t mSession;
+ audio_stream_type_t mStreamType;
+
+ sp<DeviceDescriptor> mDeviceDescriptor;
+
+ // "reference" counting
+ int mRefCount; // +/- on references
+ int mActivityCount; // +/- on start/stop
+
+ void log(const char* prefix);
+ };
+
+ class SessionRouteMap: public KeyedVector<audio_session_t, sp<SessionRoute>>
+ {
+ public:
+ bool hasRoute(audio_session_t session);
+ void addRoute(audio_session_t session, audio_stream_type_t streamType,
+ sp<DeviceDescriptor> deviceDescriptor);
+ void removeRoute(audio_session_t session);
+
+ int incRouteActivity(audio_session_t session);
+ int decRouteActivity(audio_session_t session);
+
+ void log(const char* caption);
+ };
+
// From AudioPolicyManagerObserver
virtual const AudioPatchCollection &getAudioPatches() const
{
@@ -475,6 +516,9 @@ protected:
DeviceVector mAvailableOutputDevices; // all available output devices
DeviceVector mAvailableInputDevices; // all available input devices
+ SessionRouteMap mOutputRoutes;
+ SessionRouteMap mInputRoutes;
+
StreamDescriptorCollection mStreams; // stream descriptors for volume control
bool mLimitRingtoneVolume; // limit ringtone volume to music volume if headset connected
audio_devices_t mDeviceForStrategy[NUM_STRATEGIES];
diff --git a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
index e9ff838..a763151 100644
--- a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
+++ b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
@@ -150,6 +150,7 @@ status_t AudioPolicyService::getOutputForAttr(const audio_attributes_t *attr,
audio_format_t format,
audio_channel_mask_t channelMask,
audio_output_flags_t flags,
+ int mSelectedDeviceId,
const audio_offload_info_t *offloadInfo)
{
if (mAudioPolicyManager == NULL) {
@@ -158,7 +159,7 @@ status_t AudioPolicyService::getOutputForAttr(const audio_attributes_t *attr,
ALOGV("getOutput()");
Mutex::Autolock _l(mLock);
return mAudioPolicyManager->getOutputForAttr(attr, output, session, stream, samplingRate,
- format, channelMask, flags, offloadInfo);
+ format, channelMask, flags, mSelectedDeviceId, offloadInfo);
}
status_t AudioPolicyService::startOutput(audio_io_handle_t output,
diff --git a/services/audiopolicy/service/AudioPolicyInterfaceImplLegacy.cpp b/services/audiopolicy/service/AudioPolicyInterfaceImplLegacy.cpp
index 5a91192..372a9fa 100644
--- a/services/audiopolicy/service/AudioPolicyInterfaceImplLegacy.cpp
+++ b/services/audiopolicy/service/AudioPolicyInterfaceImplLegacy.cpp
@@ -569,6 +569,7 @@ status_t AudioPolicyService::getOutputForAttr(const audio_attributes_t *attr,
audio_format_t format,
audio_channel_mask_t channelMask,
audio_output_flags_t flags,
+ int selectedDeviceId __unused,
const audio_offload_info_t *offloadInfo)
{
if (attr != NULL) {
diff --git a/services/audiopolicy/service/AudioPolicyService.h b/services/audiopolicy/service/AudioPolicyService.h
index 0378384..f8dabd3 100644
--- a/services/audiopolicy/service/AudioPolicyService.h
+++ b/services/audiopolicy/service/AudioPolicyService.h
@@ -84,6 +84,7 @@ public:
audio_format_t format = AUDIO_FORMAT_DEFAULT,
audio_channel_mask_t channelMask = 0,
audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,
+ int selectedDeviceId = AUDIO_PORT_HANDLE_NONE,
const audio_offload_info_t *offloadInfo = NULL);
virtual status_t startOutput(audio_io_handle_t output,
audio_stream_type_t stream,