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/media/libaudioclient/AudioVolumeGroup.cpp b/media/libaudioclient/AudioVolumeGroup.cpp
new file mode 100644
index 0000000..e79a362
--- /dev/null
+++ b/media/libaudioclient/AudioVolumeGroup.cpp
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2018 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.
+ */
+
+#define LOG_TAG "AudioVolumeGroup"
+
+//#define LOG_NDEBUG 0
+
+#include <utils/Log.h>
+#include <binder/Parcel.h>
+
+#include <media/AudioVolumeGroup.h>
+#include <media/AudioAttributes.h>
+
+namespace android {
+
+status_t AudioVolumeGroup::readFromParcel(const Parcel *parcel)
+{
+ status_t ret = parcel->readUtf8FromUtf16(&mName);
+ if (ret != NO_ERROR) {
+ return ret;
+ }
+ mGroupId = static_cast<volume_group_t>(parcel->readInt32());
+ size_t size = static_cast<size_t>(parcel->readInt32());
+ for (size_t i = 0; i < size; i++) {
+ AudioAttributes attribute;
+ attribute.readFromParcel(parcel);
+ if (ret != NO_ERROR) {
+ mAudioAttributes.clear();
+ return ret;
+ }
+ mAudioAttributes.push_back(attribute.getAttributes());
+ }
+ size = static_cast<size_t>(parcel->readInt32());
+ for (size_t i = 0; i < size; i++) {
+ audio_stream_type_t stream = static_cast<audio_stream_type_t>(parcel->readInt32());
+ mStreams.push_back(stream);
+ }
+ return NO_ERROR;
+}
+
+status_t AudioVolumeGroup::writeToParcel(Parcel *parcel) const
+{
+ parcel->writeUtf8AsUtf16(mName);
+ parcel->writeInt32(static_cast<int32_t>(mGroupId));
+ size_t size = mAudioAttributes.size();
+ size_t sizePosition = parcel->dataPosition();
+ parcel->writeInt32(size);
+ size_t finalSize = size;
+ for (const auto &attributes : mAudioAttributes) {
+ size_t position = parcel->dataPosition();
+ AudioAttributes attribute(attributes);
+ status_t ret = attribute.writeToParcel(parcel);
+ if (ret != NO_ERROR) {
+ parcel->setDataPosition(position);
+ finalSize--;
+ }
+ }
+ if (size != finalSize) {
+ size_t position = parcel->dataPosition();
+ parcel->setDataPosition(sizePosition);
+ parcel->writeInt32(finalSize);
+ parcel->setDataPosition(position);
+ }
+ parcel->writeInt32(mStreams.size());
+ for (const auto &stream : mStreams) {
+ parcel->writeInt32(static_cast<int32_t>(stream));
+ }
+ return NO_ERROR;
+}
+
+} // namespace android