1 files changed, 75 insertions, 0 deletions
diff --git a/services/audiopolicy/engineconfigurable/parameter-framework/plugin/VolumeProfile.cpp b/services/audiopolicy/engineconfigurable/parameter-framework/plugin/VolumeProfile.cpp
new file mode 100755
index 0000000..5c155c8
--- /dev/null
+++ b/services/audiopolicy/engineconfigurable/parameter-framework/plugin/VolumeProfile.cpp
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "VolumeProfile.h"
+#include "PolicyMappingKeys.h"
+#include "PolicySubsystem.h"
+#include "ParameterBlockType.h"
+#include <Volume.h>
+#include <math.h>
+
+using std::string;
+
+VolumeProfile::VolumeProfile(const string &mappingValue,
+                             CInstanceConfigurableElement *instanceConfigurableElement,
+                             const CMappingContext &context)
+    : CFormattedSubsystemObject(instanceConfigurableElement,
+                                mappingValue,
+                                MappingKeyAmend1,
+                                (MappingKeyAmendEnd - MappingKeyAmend1 + 1),
+                                context),
+      mPolicySubsystem(static_cast<const PolicySubsystem *>(
+                           instanceConfigurableElement->getBelongingSubsystem())),
+      mPolicyPluginInterface(mPolicySubsystem->getPolicyPluginInterface())
+{
+    uint32_t categoryKey = context.getItemAsInteger(MappingKeyCategory);
+    if (categoryKey >= Volume::DEVICE_CATEGORY_CNT) {
+        mCategory = Volume::DEVICE_CATEGORY_SPEAKER;
+    } else {
+        mCategory = static_cast<Volume::device_category>(categoryKey);
+    }
+    mId = static_cast<audio_stream_type_t>(context.getItemAsInteger(MappingKeyIdentifier));
+
+    // (no exception support, defer the error)
+    if (instanceConfigurableElement->getType() != CInstanceConfigurableElement::EParameterBlock) {
+        return;
+    }
+    // Get actual element type
+    const CParameterBlockType *parameterType = static_cast<const CParameterBlockType *>(
+                instanceConfigurableElement->getTypeElement());
+    mPoints = parameterType->getArrayLength();
+}
+
+bool VolumeProfile::receiveFromHW(string & /*error*/)
+{
+    return true;
+}
+
+bool VolumeProfile::sendToHW(string & /*error*/)
+{
+    Point points[mPoints];
+    blackboardRead(&points, sizeof(Point) * mPoints);
+
+    VolumeCurvePoints pointsVector;
+    for (size_t i = 0; i < mPoints; i++) {
+        VolumeCurvePoint curvePoint;
+        curvePoint.mIndex = points[i].index;
+        curvePoint.mDBAttenuation = static_cast<float>(points[i].dbAttenuation) /
+                (1UL << gFractional);
+        pointsVector.push_back(curvePoint);
+    }
+    return mPolicyPluginInterface->setVolumeProfileForStream(mId, mCategory, pointsVector);
+}