audiopolicy: add Volume for attribute and callback native APIs
Change-Id: I259de42452d2802aa8dbd553f56040dea6995a93
Signed-off-by: François Gaffie <francois.gaffie@renault.com>
Bug: 124767636
Test: make
diff --git a/media/libaudioclient/AudioSystem.cpp b/media/libaudioclient/AudioSystem.cpp
index 35adb72..0ce2513 100644
--- a/media/libaudioclient/AudioSystem.cpp
+++ b/media/libaudioclient/AudioSystem.cpp
@@ -792,6 +792,7 @@
int64_t token = IPCThreadState::self()->clearCallingIdentity();
ap->registerClient(apc);
ap->setAudioPortCallbacksEnabled(apc->isAudioPortCbEnabled());
+ ap->setAudioVolumeGroupCallbacksEnabled(apc->isAudioVolumeGroupCbEnabled());
IPCThreadState::self()->restoreCallingIdentity(token);
}
@@ -987,6 +988,38 @@
return aps->getStreamVolumeIndex(stream, index, device);
}
+status_t AudioSystem::setVolumeIndexForAttributes(const audio_attributes_t &attr,
+ int index,
+ audio_devices_t device)
+{
+ const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
+ if (aps == 0) return PERMISSION_DENIED;
+ return aps->setVolumeIndexForAttributes(attr, index, device);
+}
+
+status_t AudioSystem::getVolumeIndexForAttributes(const audio_attributes_t &attr,
+ int &index,
+ audio_devices_t device)
+{
+ const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
+ if (aps == 0) return PERMISSION_DENIED;
+ return aps->getVolumeIndexForAttributes(attr, index, device);
+}
+
+status_t AudioSystem::getMaxVolumeIndexForAttributes(const audio_attributes_t &attr, int &index)
+{
+ const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
+ if (aps == 0) return PERMISSION_DENIED;
+ return aps->getMaxVolumeIndexForAttributes(attr, index);
+}
+
+status_t AudioSystem::getMinVolumeIndexForAttributes(const audio_attributes_t &attr, int &index)
+{
+ const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
+ if (aps == 0) return PERMISSION_DENIED;
+ return aps->getMinVolumeIndexForAttributes(attr, index);
+}
+
uint32_t AudioSystem::getStrategyForStream(audio_stream_type_t stream)
{
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
@@ -1190,6 +1223,38 @@
return (ret < 0) ? INVALID_OPERATION : NO_ERROR;
}
+status_t AudioSystem::addAudioVolumeGroupCallback(const sp<AudioVolumeGroupCallback>& callback)
+{
+ const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
+ if (aps == 0) return PERMISSION_DENIED;
+
+ Mutex::Autolock _l(gLockAPS);
+ if (gAudioPolicyServiceClient == 0) {
+ return NO_INIT;
+ }
+ int ret = gAudioPolicyServiceClient->addAudioVolumeGroupCallback(callback);
+ if (ret == 1) {
+ aps->setAudioVolumeGroupCallbacksEnabled(true);
+ }
+ return (ret < 0) ? INVALID_OPERATION : NO_ERROR;
+}
+
+status_t AudioSystem::removeAudioVolumeGroupCallback(const sp<AudioVolumeGroupCallback>& callback)
+{
+ const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
+ if (aps == 0) return PERMISSION_DENIED;
+
+ Mutex::Autolock _l(gLockAPS);
+ if (gAudioPolicyServiceClient == 0) {
+ return NO_INIT;
+ }
+ int ret = gAudioPolicyServiceClient->removeAudioVolumeGroupCallback(callback);
+ if (ret == 0) {
+ aps->setAudioVolumeGroupCallbacksEnabled(false);
+ }
+ return (ret < 0) ? INVALID_OPERATION : NO_ERROR;
+}
+
status_t AudioSystem::addAudioDeviceCallback(
const wp<AudioDeviceCallback>& callback, audio_io_handle_t audioIo)
{
@@ -1498,6 +1563,47 @@
}
}
+// ----------------------------------------------------------------------------
+int AudioSystem::AudioPolicyServiceClient::addAudioVolumeGroupCallback(
+ const sp<AudioVolumeGroupCallback>& callback)
+{
+ Mutex::Autolock _l(mLock);
+ for (size_t i = 0; i < mAudioVolumeGroupCallback.size(); i++) {
+ if (mAudioVolumeGroupCallback[i] == callback) {
+ return -1;
+ }
+ }
+ mAudioVolumeGroupCallback.add(callback);
+ return mAudioVolumeGroupCallback.size();
+}
+
+int AudioSystem::AudioPolicyServiceClient::removeAudioVolumeGroupCallback(
+ const sp<AudioVolumeGroupCallback>& callback)
+{
+ Mutex::Autolock _l(mLock);
+ size_t i;
+ for (i = 0; i < mAudioVolumeGroupCallback.size(); i++) {
+ if (mAudioVolumeGroupCallback[i] == callback) {
+ break;
+ }
+ }
+ if (i == mAudioVolumeGroupCallback.size()) {
+ return -1;
+ }
+ mAudioVolumeGroupCallback.removeAt(i);
+ return mAudioVolumeGroupCallback.size();
+}
+
+void AudioSystem::AudioPolicyServiceClient::onAudioVolumeGroupChanged(volume_group_t group,
+ int flags)
+{
+ Mutex::Autolock _l(mLock);
+ for (size_t i = 0; i < mAudioVolumeGroupCallback.size(); i++) {
+ mAudioVolumeGroupCallback[i]->onAudioVolumeGroupChanged(group, flags);
+ }
+}
+// ----------------------------------------------------------------------------
+
void AudioSystem::AudioPolicyServiceClient::onDynamicPolicyMixStateUpdate(
String8 regId, int32_t state)
{
@@ -1541,6 +1647,9 @@
for (size_t i = 0; i < mAudioPortCallbacks.size(); i++) {
mAudioPortCallbacks[i]->onServiceDied();
}
+ for (size_t i = 0; i < mAudioVolumeGroupCallback.size(); i++) {
+ mAudioVolumeGroupCallback[i]->onServiceDied();
+ }
}
{
Mutex::Autolock _l(gLockAPS);
diff --git a/media/libaudioclient/IAudioPolicyService.cpp b/media/libaudioclient/IAudioPolicyService.cpp
index feb1317..3bac44f 100644
--- a/media/libaudioclient/IAudioPolicyService.cpp
+++ b/media/libaudioclient/IAudioPolicyService.cpp
@@ -51,6 +51,10 @@
INIT_STREAM_VOLUME,
SET_STREAM_VOLUME,
GET_STREAM_VOLUME,
+ SET_VOLUME_ATTRIBUTES,
+ GET_VOLUME_ATTRIBUTES,
+ GET_MIN_VOLUME_FOR_ATTRIBUTES,
+ GET_MAX_VOLUME_FOR_ATTRIBUTES,
GET_STRATEGY_FOR_STREAM,
GET_OUTPUT_FOR_EFFECT,
REGISTER_EFFECT,
@@ -78,6 +82,7 @@
START_AUDIO_SOURCE,
STOP_AUDIO_SOURCE,
SET_AUDIO_PORT_CALLBACK_ENABLED,
+ SET_AUDIO_VOLUME_GROUP_CALLBACK_ENABLED,
SET_MASTER_MONO,
GET_MASTER_MONO,
GET_STREAM_VOLUME_DB,
@@ -417,6 +422,70 @@
return static_cast <status_t> (reply.readInt32());
}
+ virtual status_t setVolumeIndexForAttributes(const audio_attributes_t &attr, int index,
+ audio_devices_t device)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
+ data.write(&attr, sizeof(audio_attributes_t));
+ data.writeInt32(index);
+ data.writeInt32(static_cast <uint32_t>(device));
+ status_t status = remote()->transact(SET_VOLUME_ATTRIBUTES, data, &reply);
+ if (status != NO_ERROR) {
+ return status;
+ }
+ return static_cast <status_t> (reply.readInt32());
+ }
+ virtual status_t getVolumeIndexForAttributes(const audio_attributes_t &attr, int &index,
+ audio_devices_t device)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
+ data.write(&attr, sizeof(audio_attributes_t));
+ data.writeInt32(static_cast <uint32_t>(device));
+ status_t status = remote()->transact(GET_VOLUME_ATTRIBUTES, data, &reply);
+ if (status != NO_ERROR) {
+ return status;
+ }
+ status = static_cast <status_t> (reply.readInt32());
+ if (status != NO_ERROR) {
+ return status;
+ }
+ index = reply.readInt32();
+ return NO_ERROR;
+ }
+ virtual status_t getMinVolumeIndexForAttributes(const audio_attributes_t &attr, int &index)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
+ data.write(&attr, sizeof(audio_attributes_t));
+ status_t status = remote()->transact(GET_MIN_VOLUME_FOR_ATTRIBUTES, data, &reply);
+ if (status != NO_ERROR) {
+ return status;
+ }
+ status = static_cast <status_t> (reply.readInt32());
+ if (status != NO_ERROR) {
+ return status;
+ }
+ index = reply.readInt32();
+ return NO_ERROR;
+ }
+ virtual status_t getMaxVolumeIndexForAttributes(const audio_attributes_t &attr, int &index)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
+ data.write(&attr, sizeof(audio_attributes_t));
+ status_t status = remote()->transact(GET_MAX_VOLUME_FOR_ATTRIBUTES, data, &reply);
+ if (status != NO_ERROR) {
+ return status;
+ }
+ status = static_cast <status_t> (reply.readInt32());
+ if (status != NO_ERROR) {
+ return status;
+ }
+ index = reply.readInt32();
+ return NO_ERROR;
+ }
virtual uint32_t getStrategyForStream(audio_stream_type_t stream)
{
Parcel data, reply;
@@ -694,6 +763,14 @@
remote()->transact(SET_AUDIO_PORT_CALLBACK_ENABLED, data, &reply);
}
+ virtual void setAudioVolumeGroupCallbacksEnabled(bool enabled)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
+ data.writeInt32(enabled ? 1 : 0);
+ remote()->transact(SET_AUDIO_VOLUME_GROUP_CALLBACK_ENABLED, data, &reply);
+ }
+
virtual status_t acquireSoundTriggerSession(audio_session_t *session,
audio_io_handle_t *ioHandle,
audio_devices_t *device)
@@ -1492,6 +1569,73 @@
return NO_ERROR;
} break;
+ case SET_VOLUME_ATTRIBUTES: {
+ CHECK_INTERFACE(IAudioPolicyService, data, reply);
+ audio_attributes_t attributes = {};
+ status_t status = data.read(&attributes, sizeof(audio_attributes_t));
+ if (status != NO_ERROR) {
+ return status;
+ }
+ int index = data.readInt32();
+ audio_devices_t device = static_cast <audio_devices_t>(data.readInt32());
+
+ reply->writeInt32(static_cast <uint32_t>(setVolumeIndexForAttributes(attributes,
+ index, device)));
+ return NO_ERROR;
+ } break;
+
+ case GET_VOLUME_ATTRIBUTES: {
+ CHECK_INTERFACE(IAudioPolicyService, data, reply);
+ audio_attributes_t attributes = {};
+ status_t status = data.read(&attributes, sizeof(audio_attributes_t));
+ if (status != NO_ERROR) {
+ return status;
+ }
+ audio_devices_t device = static_cast <audio_devices_t>(data.readInt32());
+
+ int index = 0;
+ status = getVolumeIndexForAttributes(attributes, index, device);
+ reply->writeInt32(static_cast <uint32_t>(status));
+ if (status == NO_ERROR) {
+ reply->writeInt32(index);
+ }
+ return NO_ERROR;
+ } break;
+
+ case GET_MIN_VOLUME_FOR_ATTRIBUTES: {
+ CHECK_INTERFACE(IAudioPolicyService, data, reply);
+ audio_attributes_t attributes = {};
+ status_t status = data.read(&attributes, sizeof(audio_attributes_t));
+ if (status != NO_ERROR) {
+ return status;
+ }
+
+ int index = 0;
+ status = getMinVolumeIndexForAttributes(attributes, index);
+ reply->writeInt32(static_cast <uint32_t>(status));
+ if (status == NO_ERROR) {
+ reply->writeInt32(index);
+ }
+ return NO_ERROR;
+ } break;
+
+ case GET_MAX_VOLUME_FOR_ATTRIBUTES: {
+ CHECK_INTERFACE(IAudioPolicyService, data, reply);
+ audio_attributes_t attributes = {};
+ status_t status = data.read(&attributes, sizeof(audio_attributes_t));
+ if (status != NO_ERROR) {
+ return status;
+ }
+
+ int index = 0;
+ status = getMaxVolumeIndexForAttributes(attributes, index);
+ reply->writeInt32(static_cast <uint32_t>(status));
+ if (status == NO_ERROR) {
+ reply->writeInt32(index);
+ }
+ return NO_ERROR;
+ } break;
+
case GET_DEVICES_FOR_STREAM: {
CHECK_INTERFACE(IAudioPolicyService, data, reply);
audio_stream_type_t stream =
@@ -1740,6 +1884,12 @@
return NO_ERROR;
} break;
+ case SET_AUDIO_VOLUME_GROUP_CALLBACK_ENABLED: {
+ CHECK_INTERFACE(IAudioPolicyService, data, reply);
+ setAudioVolumeGroupCallbacksEnabled(data.readInt32() == 1);
+ return NO_ERROR;
+ } break;
+
case ACQUIRE_SOUNDTRIGGER_SESSION: {
CHECK_INTERFACE(IAudioPolicyService, data, reply);
sp<IAudioPolicyServiceClient> client = interface_cast<IAudioPolicyServiceClient>(
diff --git a/media/libaudioclient/IAudioPolicyServiceClient.cpp b/media/libaudioclient/IAudioPolicyServiceClient.cpp
index 1f9eab7..52d8ccd 100644
--- a/media/libaudioclient/IAudioPolicyServiceClient.cpp
+++ b/media/libaudioclient/IAudioPolicyServiceClient.cpp
@@ -31,7 +31,8 @@
PORT_LIST_UPDATE = IBinder::FIRST_CALL_TRANSACTION,
PATCH_LIST_UPDATE,
MIX_STATE_UPDATE,
- RECORDING_CONFIGURATION_UPDATE
+ RECORDING_CONFIGURATION_UPDATE,
+ VOLUME_GROUP_CHANGED,
};
// ----------------------------------------------------------------------
@@ -108,6 +109,15 @@
remote()->transact(PATCH_LIST_UPDATE, data, &reply, IBinder::FLAG_ONEWAY);
}
+ void onAudioVolumeGroupChanged(volume_group_t group, int flags)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioPolicyServiceClient::getInterfaceDescriptor());
+ data.writeUint32(group);
+ data.writeInt32(flags);
+ remote()->transact(VOLUME_GROUP_CHANGED, data, &reply, IBinder::FLAG_ONEWAY);
+ }
+
void onDynamicPolicyMixStateUpdate(String8 regId, int32_t state)
{
Parcel data, reply;
@@ -157,6 +167,13 @@
onAudioPatchListUpdate();
return NO_ERROR;
} break;
+ case VOLUME_GROUP_CHANGED: {
+ CHECK_INTERFACE(IAudioPolicyServiceClient, data, reply);
+ volume_group_t group = static_cast<volume_group_t>(data.readUint32());
+ int flags = data.readInt32();
+ onAudioVolumeGroupChanged(group, flags);
+ return NO_ERROR;
+ } break;
case MIX_STATE_UPDATE: {
CHECK_INTERFACE(IAudioPolicyServiceClient, data, reply);
String8 regId = data.readString8();
diff --git a/media/libaudioclient/include/media/AudioSystem.h b/media/libaudioclient/include/media/AudioSystem.h
index 142d2bb..e64f285 100644
--- a/media/libaudioclient/include/media/AudioSystem.h
+++ b/media/libaudioclient/include/media/AudioSystem.h
@@ -264,6 +264,17 @@
int *index,
audio_devices_t device);
+ static status_t setVolumeIndexForAttributes(const audio_attributes_t &attr,
+ int index,
+ audio_devices_t device);
+ static status_t getVolumeIndexForAttributes(const audio_attributes_t &attr,
+ int &index,
+ audio_devices_t device);
+
+ static status_t getMaxVolumeIndexForAttributes(const audio_attributes_t &attr, int &index);
+
+ static status_t getMinVolumeIndexForAttributes(const audio_attributes_t &attr, int &index);
+
static uint32_t getStrategyForStream(audio_stream_type_t stream);
static audio_devices_t getDevicesForStream(audio_stream_type_t stream);
@@ -381,6 +392,21 @@
// ----------------------------------------------------------------------------
+ class AudioVolumeGroupCallback : public RefBase
+ {
+ public:
+
+ AudioVolumeGroupCallback() {}
+ virtual ~AudioVolumeGroupCallback() {}
+
+ virtual void onAudioVolumeGroupChanged(volume_group_t group, int flags) = 0;
+ virtual void onServiceDied() = 0;
+
+ };
+
+ static status_t addAudioVolumeGroupCallback(const sp<AudioVolumeGroupCallback>& callback);
+ static status_t removeAudioVolumeGroupCallback(const sp<AudioVolumeGroupCallback>& callback);
+
class AudioPortCallback : public RefBase
{
public:
@@ -513,12 +539,17 @@
int removeAudioPortCallback(const sp<AudioPortCallback>& callback);
bool isAudioPortCbEnabled() const { return (mAudioPortCallbacks.size() != 0); }
+ int addAudioVolumeGroupCallback(const sp<AudioVolumeGroupCallback>& callback);
+ int removeAudioVolumeGroupCallback(const sp<AudioVolumeGroupCallback>& callback);
+ bool isAudioVolumeGroupCbEnabled() const { return (mAudioVolumeGroupCallback.size() != 0); }
+
// DeathRecipient
virtual void binderDied(const wp<IBinder>& who);
// IAudioPolicyServiceClient
virtual void onAudioPortListUpdate();
virtual void onAudioPatchListUpdate();
+ virtual void onAudioVolumeGroupChanged(volume_group_t group, int flags);
virtual void onDynamicPolicyMixStateUpdate(String8 regId, int32_t state);
virtual void onRecordingConfigurationUpdate(int event,
const record_client_info_t *clientInfo,
@@ -532,6 +563,7 @@
private:
Mutex mLock;
Vector <sp <AudioPortCallback> > mAudioPortCallbacks;
+ Vector <sp <AudioVolumeGroupCallback> > mAudioVolumeGroupCallback;
};
static audio_io_handle_t getOutput(audio_stream_type_t stream);
diff --git a/media/libaudioclient/include/media/IAudioPolicyService.h b/media/libaudioclient/include/media/IAudioPolicyService.h
index 800344d..35540f0 100644
--- a/media/libaudioclient/include/media/IAudioPolicyService.h
+++ b/media/libaudioclient/include/media/IAudioPolicyService.h
@@ -93,6 +93,17 @@
virtual status_t getStreamVolumeIndex(audio_stream_type_t stream,
int *index,
audio_devices_t device) = 0;
+
+ virtual status_t setVolumeIndexForAttributes(const audio_attributes_t &attr,
+ int index,
+ audio_devices_t device) = 0;
+ virtual status_t getVolumeIndexForAttributes(const audio_attributes_t &attr,
+ int &index,
+ audio_devices_t device) = 0;
+ virtual status_t getMaxVolumeIndexForAttributes(const audio_attributes_t &attr, int &index) = 0;
+
+ virtual status_t getMinVolumeIndexForAttributes(const audio_attributes_t &attr, int &index) = 0;
+
virtual uint32_t getStrategyForStream(audio_stream_type_t stream) = 0;
virtual audio_devices_t getDevicesForStream(audio_stream_type_t stream) = 0;
virtual audio_io_handle_t getOutputForEffect(const effect_descriptor_t *desc) = 0;
@@ -160,6 +171,8 @@
virtual void setAudioPortCallbacksEnabled(bool enabled) = 0;
+ virtual void setAudioVolumeGroupCallbacksEnabled(bool enabled) = 0;
+
virtual status_t acquireSoundTriggerSession(audio_session_t *session,
audio_io_handle_t *ioHandle,
audio_devices_t *device) = 0;
diff --git a/media/libaudioclient/include/media/IAudioPolicyServiceClient.h b/media/libaudioclient/include/media/IAudioPolicyServiceClient.h
index b3c0381..79008c3 100644
--- a/media/libaudioclient/include/media/IAudioPolicyServiceClient.h
+++ b/media/libaudioclient/include/media/IAudioPolicyServiceClient.h
@@ -23,6 +23,8 @@
#include <binder/IInterface.h>
#include <system/audio.h>
#include <system/audio_effect.h>
+#include <media/AudioPolicy.h>
+#include <media/AudioVolumeGroup.h>
namespace android {
@@ -45,6 +47,8 @@
public:
DECLARE_META_INTERFACE(AudioPolicyServiceClient);
+ // Notifies a change of volume group
+ virtual void onAudioVolumeGroupChanged(volume_group_t group, int flags) = 0;
// Notifies a change of audio port configuration.
virtual void onAudioPortListUpdate() = 0;
// Notifies a change of audio patch configuration.