audiopolicy: add Volume Group introspection APIs
Change-Id: Ib02900bde69ee24685d9d374c0e5f73d33fa59e7
Signed-off-by: François Gaffie <francois.gaffie@renault.com>
Test: make
Bug: 124767636
diff --git a/services/audiopolicy/engine/common/include/EngineBase.h b/services/audiopolicy/engine/common/include/EngineBase.h
index 35d86ee..6ff8512 100644
--- a/services/audiopolicy/engine/common/include/EngineBase.h
+++ b/services/audiopolicy/engine/common/include/EngineBase.h
@@ -88,6 +88,8 @@
AttributesVector getAllAttributesForVolumeGroup(volume_group_t volumeGroup) const override;
+ status_t listAudioVolumeGroups(AudioVolumeGroupVector &groups) const override;
+
void dump(String8 *dst) const override;
diff --git a/services/audiopolicy/engine/common/src/EngineBase.cpp b/services/audiopolicy/engine/common/src/EngineBase.cpp
index 4d7c4a0..4fe7b42 100644
--- a/services/audiopolicy/engine/common/src/EngineBase.cpp
+++ b/services/audiopolicy/engine/common/src/EngineBase.cpp
@@ -274,6 +274,15 @@
mVolumeGroups.at(volumeGroup)->getSupportedAttributes() : AttributesVector();
}
+status_t EngineBase::listAudioVolumeGroups(AudioVolumeGroupVector &groups) const
+{
+ for (const auto &iter : mVolumeGroups) {
+ groups.push_back({iter.second->getName(), iter.second->getId(),
+ iter.second->getSupportedAttributes(), iter.second->getStreamTypes()});
+ }
+ return NO_ERROR;
+}
+
void EngineBase::dump(String8 *dst) const
{
mProductStrategies.dump(dst, 2);
diff --git a/services/audiopolicy/engine/interface/AudioPolicyManagerInterface.h b/services/audiopolicy/engine/interface/AudioPolicyManagerInterface.h
index 07acd2e..38f3401 100644
--- a/services/audiopolicy/engine/interface/AudioPolicyManagerInterface.h
+++ b/services/audiopolicy/engine/interface/AudioPolicyManagerInterface.h
@@ -18,6 +18,7 @@
#include <AudioPolicyManagerObserver.h>
#include <media/AudioProductStrategy.h>
+#include <media/AudioVolumeGroup.h>
#include <IVolumeCurves.h>
#include <policy.h>
#include <Volume.h>
@@ -286,6 +287,15 @@
virtual AttributesVector getAllAttributesForVolumeGroup(volume_group_t volumeGroup) const = 0;
+ /**
+ * @brief listAudioVolumeGroups introspection API to get the Audio Volume Groups, aka
+ * former stream aliases in Audio Service, defining volume curves attached to one or more
+ * Audio Attributes.
+ * @param groups
+ * @return NO_ERROR if the volume groups were retrieved successfully, error code otherwise
+ */
+ virtual status_t listAudioVolumeGroups(AudioVolumeGroupVector &groups) const = 0;
+
virtual void dump(String8 *dst) const = 0;
protected: