audio policy service: Add introspection API to retrieve AudioProductStrategies
This CL adds required introspection APIs to deal with product strategies:
-getter of the collection of product strategies
-helper function to return the strategy associated to a given attributes.
This API is mandatory to avoid duplicating the logic that compiles the strategy
for a given Audio Attributes structure.
Test: make
Change-Id: I0e107570a44227bb52a4f359954c93215d4f8bae
Signed-off-by: François Gaffie <francois.gaffie@renault.com>
diff --git a/media/libaudioclient/Android.bp b/media/libaudioclient/Android.bp
index 1417aaf..bd10d67 100644
--- a/media/libaudioclient/Android.bp
+++ b/media/libaudioclient/Android.bp
@@ -5,6 +5,28 @@
}
cc_library_shared {
+ name: "libaudiopolicy",
+ srcs: [
+ "AudioAttributes.cpp",
+ "AudioPolicy.cpp",
+ "AudioProductStrategy.cpp",
+ ],
+ shared_libs: [
+ "libaudioutils",
+ "libbinder",
+ "libcutils",
+ "liblog",
+ "libutils",
+ ],
+ cflags: [
+ "-Werror",
+ "-Wall",
+ ],
+ include_dirs: ["system/media/audio_utils/include"],
+ export_include_dirs: ["include"],
+}
+
+cc_library_shared {
name: "libaudioclient",
aidl: {
@@ -23,7 +45,6 @@
":libaudioclient_aidl",
"AudioEffect.cpp",
- "AudioPolicy.cpp",
"AudioRecord.cpp",
"AudioSystem.cpp",
"AudioTrack.cpp",
@@ -41,6 +62,7 @@
],
shared_libs: [
"libaudioutils",
+ "libaudiopolicy",
"libaudiomanager",
"libbinder",
"libcutils",
diff --git a/media/libaudioclient/AudioAttributes.cpp b/media/libaudioclient/AudioAttributes.cpp
new file mode 100644
index 0000000..0f327cf
--- /dev/null
+++ b/media/libaudioclient/AudioAttributes.cpp
@@ -0,0 +1,67 @@
+/*
+ * 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 "AudioAttributes"
+//#define LOG_NDEBUG 0
+#include <utils/Log.h>
+
+#include <binder/Parcel.h>
+
+#include <media/AudioAttributes.h>
+
+namespace android {
+
+status_t AudioAttributes::readFromParcel(const Parcel *parcel)
+{
+ status_t ret = NO_ERROR;
+ mAttributes.content_type = static_cast<audio_content_type_t>(parcel->readInt32());
+ mAttributes.usage = static_cast<audio_usage_t>(parcel->readInt32());
+ mAttributes.source = static_cast<audio_source_t>(parcel->readInt32());
+ mAttributes.flags = static_cast<audio_flags_mask_t>(parcel->readInt32());
+ const bool hasFlattenedTag = (parcel->readInt32() == 1);
+ if (hasFlattenedTag) {
+ std::string tags;
+ ret = parcel->readUtf8FromUtf16(&tags);
+ if (ret != NO_ERROR) {
+ return ret;
+ }
+ std::strncpy(mAttributes.tags, tags.c_str(), AUDIO_ATTRIBUTES_TAGS_MAX_SIZE - 1);
+ } else {
+ strcpy(mAttributes.tags, "");
+ }
+ mStreamType = static_cast<audio_stream_type_t>(parcel->readInt32());
+ mGroupId = parcel->readUint32();
+ return NO_ERROR;
+}
+
+status_t AudioAttributes::writeToParcel(Parcel *parcel) const
+{
+ parcel->writeInt32(static_cast<int32_t>(mAttributes.content_type));
+ parcel->writeInt32(static_cast<int32_t>(mAttributes.usage));
+ parcel->writeInt32(static_cast<int32_t>(mAttributes.source));
+ parcel->writeInt32(static_cast<int32_t>(mAttributes.flags));
+ if (strlen(mAttributes.tags) == 0) {
+ parcel->writeInt32(0);
+ } else {
+ parcel->writeInt32(1);
+ parcel->writeUtf8AsUtf16(mAttributes.tags);
+ }
+ parcel->writeInt32(static_cast<int32_t>(mStreamType));
+ parcel->writeUint32(mGroupId);
+ return NO_ERROR;
+}
+
+} // namespace android
diff --git a/media/libaudioclient/AudioProductStrategy.cpp b/media/libaudioclient/AudioProductStrategy.cpp
new file mode 100644
index 0000000..1da1114
--- /dev/null
+++ b/media/libaudioclient/AudioProductStrategy.cpp
@@ -0,0 +1,94 @@
+/*
+ * 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 "AudioProductStrategy"
+//#define LOG_NDEBUG 0
+#include <utils/Log.h>
+#include <media/AudioProductStrategy.h>
+#include <media/AudioAttributes.h>
+#include <media/AudioSystem.h>
+
+namespace android {
+
+status_t AudioProductStrategy::readFromParcel(const Parcel *parcel)
+{
+ mId = static_cast<product_strategy_t>(parcel->readInt32());
+ status_t ret = parcel->readUtf8FromUtf16(&mName);
+ if (ret != NO_ERROR) {
+ return ret;
+ }
+ size_t size = static_cast<size_t>(parcel->readInt32());
+ for (size_t i = 0; i < size; i++) {
+ AudioAttributes attribute;
+ ret = attribute.readFromParcel(parcel);
+ if (ret != NO_ERROR) {
+ mAudioAttributes.clear();
+ return ret;
+ }
+ mAudioAttributes.push_back(attribute);
+ }
+ return NO_ERROR;
+}
+
+status_t AudioProductStrategy::writeToParcel(Parcel *parcel) const
+{
+ parcel->writeInt32(static_cast<int32_t>(mId));
+ parcel->writeUtf8AsUtf16(mName);
+ size_t size = mAudioAttributes.size();
+ size_t sizePosition = parcel->dataPosition();
+ parcel->writeInt32(size);
+ size_t finalSize = size;
+
+ for (size_t i = 0; i < size; i++) {
+ size_t position = parcel->dataPosition();
+ AudioAttributes attribute(mAudioAttributes[i]);
+ 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);
+ }
+ return NO_ERROR;
+}
+
+bool AudioProductStrategy::attributesMatches(const audio_attributes_t refAttributes,
+ const audio_attributes_t clientAttritubes)
+{
+ if (refAttributes == AUDIO_ATTRIBUTES_INITIALIZER) {
+ // The default product strategy is the strategy that holds default attributes by convention.
+ // All attributes that fail to match will follow the default strategy for routing.
+ // Choosing the default must be done as a fallback, the attributes match shall not
+ // select the default.
+ return false;
+ }
+ return ((refAttributes.usage == AUDIO_USAGE_UNKNOWN) ||
+ (clientAttritubes.usage == refAttributes.usage)) &&
+ ((refAttributes.content_type == AUDIO_CONTENT_TYPE_UNKNOWN) ||
+ (clientAttritubes.content_type == refAttributes.content_type)) &&
+ ((refAttributes.flags == AUDIO_FLAG_NONE) ||
+ (clientAttritubes.flags != AUDIO_FLAG_NONE &&
+ (clientAttritubes.flags & refAttributes.flags) == clientAttritubes.flags)) &&
+ ((strlen(refAttributes.tags) == 0) ||
+ (std::strcmp(clientAttritubes.tags, refAttributes.tags) == 0));
+}
+
+} // namespace android
diff --git a/media/libaudioclient/AudioSystem.cpp b/media/libaudioclient/AudioSystem.cpp
index 896198b..b83a441e 100644
--- a/media/libaudioclient/AudioSystem.cpp
+++ b/media/libaudioclient/AudioSystem.cpp
@@ -25,6 +25,7 @@
#include <media/AudioSystem.h>
#include <media/IAudioFlinger.h>
#include <media/IAudioPolicyService.h>
+#include <media/TypeConverter.h>
#include <math.h>
#include <system/audio.h>
@@ -970,7 +971,7 @@
uint32_t AudioSystem::getStrategyForStream(audio_stream_type_t stream)
{
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
- if (aps == 0) return 0;
+ if (aps == 0) return PRODUCT_STRATEGY_NONE;
return aps->getStrategyForStream(stream);
}
@@ -1327,7 +1328,6 @@
return aps->setSurroundFormatEnabled(audioFormat, enabled);
}
-
status_t AudioSystem::setAssistantUid(uid_t uid)
{
const sp <IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
@@ -1352,11 +1352,62 @@
}
status_t AudioSystem::getHwOffloadEncodingFormatsSupportedForA2DP(
- std::vector<audio_format_t> *formats)
+ std::vector<audio_format_t> *formats) {
+ const sp <IAudioPolicyService>
+ & aps = AudioSystem::get_audio_policy_service();
+ if (aps == 0) return PERMISSION_DENIED;
+ return aps->getHwOffloadEncodingFormatsSupportedForA2DP(formats);
+}
+
+status_t AudioSystem::listAudioProductStrategies(AudioProductStrategyVector &strategies)
{
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
if (aps == 0) return PERMISSION_DENIED;
- return aps->getHwOffloadEncodingFormatsSupportedForA2DP(formats);
+ return aps->listAudioProductStrategies(strategies);
+}
+
+audio_attributes_t AudioSystem::streamTypeToAttributes(audio_stream_type_t stream)
+{
+ AudioProductStrategyVector strategies;
+ listAudioProductStrategies(strategies);
+ for (const auto &strategy : strategies) {
+ auto attrVect = strategy.getAudioAttributes();
+ auto iter = std::find_if(begin(attrVect), end(attrVect), [&stream](const auto &attributes) {
+ return attributes.getStreamType() == stream; });
+ if (iter != end(attrVect)) {
+ return iter->getAttributes();
+ }
+ }
+ ALOGE("invalid stream type %s when converting to attributes", toString(stream).c_str());
+ return AUDIO_ATTRIBUTES_INITIALIZER;
+}
+
+audio_stream_type_t AudioSystem::attributesToStreamType(const audio_attributes_t &attr)
+{
+ product_strategy_t strategyId =
+ AudioSystem::getProductStrategyFromAudioAttributes(AudioAttributes(attr));
+ AudioProductStrategyVector strategies;
+ listAudioProductStrategies(strategies);
+ for (const auto &strategy : strategies) {
+ if (strategy.getId() == strategyId) {
+ auto attrVect = strategy.getAudioAttributes();
+ auto iter = std::find_if(begin(attrVect), end(attrVect), [&attr](const auto &refAttr) {
+ return AudioProductStrategy::attributesMatches(
+ refAttr.getAttributes(), attr); });
+ if (iter != end(attrVect)) {
+ return iter->getStreamType();
+ }
+ }
+ }
+ ALOGE("invalid attributes %s when converting to stream", toString(attr).c_str());
+ return AUDIO_STREAM_MUSIC;
+}
+
+product_strategy_t AudioSystem::getProductStrategyFromAudioAttributes(const AudioAttributes &aa)
+{
+ const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
+ if (aps == 0) return PRODUCT_STRATEGY_NONE;
+ return aps->getProductStrategyFromAudioAttributes(aa);
}
// ---------------------------------------------------------------------------
diff --git a/media/libaudioclient/IAudioPolicyService.cpp b/media/libaudioclient/IAudioPolicyService.cpp
index 8c7fac5..edd8e80 100644
--- a/media/libaudioclient/IAudioPolicyService.cpp
+++ b/media/libaudioclient/IAudioPolicyService.cpp
@@ -92,7 +92,9 @@
IS_HAPTIC_PLAYBACK_SUPPORTED,
SET_UID_DEVICE_AFFINITY,
REMOVE_UID_DEVICE_AFFINITY,
- GET_OFFLOAD_FORMATS_A2DP
+ GET_OFFLOAD_FORMATS_A2DP,
+ LIST_AUDIO_PRODUCT_STRATEGIES,
+ GET_STRATEGY_FOR_ATTRIBUTES,
};
#define MAX_ITEMS_PER_LIST 1024
@@ -1051,19 +1053,61 @@
return status;
}
- virtual status_t removeUidDeviceAffinities(uid_t uid)
- {
+ virtual status_t removeUidDeviceAffinities(uid_t uid) {
Parcel data, reply;
data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
data.writeInt32((int32_t) uid);
- status_t status = remote()->transact(REMOVE_UID_DEVICE_AFFINITY, data, &reply);
+ status_t status =
+ remote()->transact(REMOVE_UID_DEVICE_AFFINITY, data, &reply);
if (status == NO_ERROR) {
- status = (status_t)reply.readInt32();
+ status = (status_t) reply.readInt32();
}
return status;
}
+
+ virtual status_t listAudioProductStrategies(AudioProductStrategyVector &strategies)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
+
+ status_t status = remote()->transact(LIST_AUDIO_PRODUCT_STRATEGIES, data, &reply);
+ if (status != NO_ERROR) {
+ ALOGE("%s: permission denied", __func__);
+ return status;
+ }
+ status = static_cast<status_t>(reply.readInt32());
+ if (status == NO_ERROR) {
+ uint32_t numStrategies = static_cast<uint32_t>(reply.readInt32());
+ for (size_t i = 0; i < numStrategies; i++) {
+ AudioProductStrategy strategy;
+ status = strategy.readFromParcel(&reply);
+ if (status != NO_ERROR) {
+ ALOGE("%s: failed to read strategies", __FUNCTION__);
+ strategies.clear();
+ return status;
+ }
+ strategies.push_back(strategy);
+ }
+ }
+ return status;
+ }
+
+ virtual product_strategy_t getProductStrategyFromAudioAttributes(const AudioAttributes &aa)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
+ status_t status = aa.writeToParcel(&data);
+ if (status != NO_ERROR) {
+ return PRODUCT_STRATEGY_NONE;
+ }
+ status = remote()->transact(GET_STRATEGY_FOR_ATTRIBUTES, data, &reply);
+ if (status == NO_ERROR) {
+ return static_cast<product_strategy_t>(reply.readInt32());
+ }
+ return PRODUCT_STRATEGY_NONE;
+ }
};
IMPLEMENT_META_INTERFACE(AudioPolicyService, "android.media.IAudioPolicyService");
@@ -1935,6 +1979,46 @@
return NO_ERROR;
}
+ case LIST_AUDIO_PRODUCT_STRATEGIES: {
+ CHECK_INTERFACE(IAudioPolicyService, data, reply);
+ AudioProductStrategyVector strategies;
+ status_t status = listAudioProductStrategies(strategies);
+ reply->writeInt32(status);
+ if (status != NO_ERROR) {
+ return status;
+ }
+ size_t size = strategies.size();
+ size_t sizePosition = reply->dataPosition();
+ reply->writeInt32(size);
+ size_t finalSize = size;
+ for (size_t i = 0; i < size; i++) {
+ size_t position = reply->dataPosition();
+ if (strategies[i].writeToParcel(reply) != NO_ERROR) {
+ reply->setDataPosition(position);
+ finalSize--;
+ }
+ }
+ if (size != finalSize) {
+ size_t position = reply->dataPosition();
+ reply->setDataPosition(sizePosition);
+ reply->writeInt32(finalSize);
+ reply->setDataPosition(position);
+ }
+ return NO_ERROR;
+ }
+
+ case GET_STRATEGY_FOR_ATTRIBUTES: {
+ CHECK_INTERFACE(IAudioPolicyService, data, reply);
+ AudioAttributes attributes;
+ status_t status = attributes.readFromParcel(&data);
+ if (status != NO_ERROR) {
+ return status;
+ }
+ product_strategy_t strategy = getProductStrategyFromAudioAttributes(attributes);
+ reply->writeUint32(static_cast<int>(strategy));
+ return NO_ERROR;
+ }
+
default:
return BBinder::onTransact(code, data, reply, flags);
}
diff --git a/media/libaudioclient/include/media/AudioAttributes.h b/media/libaudioclient/include/media/AudioAttributes.h
new file mode 100644
index 0000000..edf26eb
--- /dev/null
+++ b/media/libaudioclient/include/media/AudioAttributes.h
@@ -0,0 +1,59 @@
+/*
+ * 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.
+ */
+
+
+#pragma once
+
+#include <system/audio.h>
+#include <system/audio_policy.h>
+#include <binder/Parcelable.h>
+
+namespace android {
+
+class AudioAttributes : public Parcelable
+{
+public:
+ AudioAttributes() = default;
+ AudioAttributes(const audio_attributes_t &attributes) : mAttributes(attributes) {}
+ AudioAttributes(uint32_t groupId,
+ audio_stream_type_t stream,
+ const audio_attributes_t &attributes) :
+ mAttributes(attributes), mStreamType(stream), mGroupId(groupId) {}
+
+ audio_attributes_t getAttributes() const { return mAttributes; }
+
+ status_t readFromParcel(const Parcel *parcel) override;
+ status_t writeToParcel(Parcel *parcel) const override;
+
+ audio_stream_type_t getStreamType() const { return mStreamType; }
+ uint32_t getGroupId() const { return mGroupId; }
+
+private:
+ audio_attributes_t mAttributes = AUDIO_ATTRIBUTES_INITIALIZER;
+ /**
+ * @brief mStreamType: for legacy volume management, we need to be able to convert an attribute
+ * to a given stream type.
+ */
+ audio_stream_type_t mStreamType = AUDIO_STREAM_DEFAULT;
+
+ /**
+ * @brief mGroupId: for future volume management, define groups within a strategy that follows
+ * the same curves of volume (extension of stream types to manage volume)
+ */
+ uint32_t mGroupId = 0;
+};
+
+} // namespace android
diff --git a/media/libaudioclient/include/media/AudioCommonTypes.h b/media/libaudioclient/include/media/AudioCommonTypes.h
index 4c936d4..48d1540 100644
--- a/media/libaudioclient/include/media/AudioCommonTypes.h
+++ b/media/libaudioclient/include/media/AudioCommonTypes.h
@@ -19,9 +19,7 @@
#include <system/audio.h>
#include <system/audio_policy.h>
-#include <binder/Parcel.h>
-#include <utils/String8.h>
-#include <utils/Vector.h>
+#include <binder/Parcelable.h>
namespace android {
@@ -29,6 +27,13 @@
const product_strategy_t PRODUCT_STRATEGY_NONE = static_cast<product_strategy_t>(-1);
using AttributesVector = std::vector<audio_attributes_t>;
+using StreamTypes = std::vector<audio_stream_type_t>;
+
+constexpr bool operator==(const audio_attributes_t &lhs, const audio_attributes_t &rhs)
+{
+ return lhs.usage == rhs.usage && lhs.content_type == rhs.content_type &&
+ lhs.flags == rhs.flags && (std::strcmp(lhs.tags, rhs.tags) == 0);
+}
} // namespace android
diff --git a/media/libaudioclient/include/media/AudioProductStrategy.h b/media/libaudioclient/include/media/AudioProductStrategy.h
new file mode 100644
index 0000000..7441095
--- /dev/null
+++ b/media/libaudioclient/include/media/AudioProductStrategy.h
@@ -0,0 +1,66 @@
+/*
+ * 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.
+ */
+
+
+#pragma once
+
+#include <media/AudioCommonTypes.h>
+#include <media/AudioAttributes.h>
+#include <system/audio.h>
+#include <system/audio_policy.h>
+#include <binder/Parcelable.h>
+
+namespace android {
+
+class AudioProductStrategy : public Parcelable
+{
+public:
+ AudioProductStrategy() {}
+ AudioProductStrategy(const std::string &name, const std::vector<AudioAttributes> &attributes,
+ product_strategy_t id) :
+ mName(name), mAudioAttributes(attributes), mId(id) {}
+
+ const std::string &getName() const { return mName; }
+ std::vector<AudioAttributes> getAudioAttributes() const { return mAudioAttributes; }
+ product_strategy_t getId() const { return mId; }
+
+ status_t readFromParcel(const Parcel *parcel) override;
+ status_t writeToParcel(Parcel *parcel) const override;
+
+ /**
+ * @brief attributesMatches: checks if client attributes matches with a reference attributes
+ * "matching" means the usage shall match if reference attributes has a defined usage, AND
+ * content type shall match if reference attributes has a defined content type AND
+ * flags shall match if reference attributes has defined flags AND
+ * tags shall match if reference attributes has defined tags.
+ * Reference attributes "default" shall not be considered as a "true" case. This convention
+ * is used to identify the default strategy.
+ * @param refAttributes to be considered
+ * @param clientAttritubes to be considered
+ * @return true if matching, false otherwise
+ */
+ static bool attributesMatches(const audio_attributes_t refAttributes,
+ const audio_attributes_t clientAttritubes);
+private:
+ std::string mName;
+ std::vector<AudioAttributes> mAudioAttributes;
+ product_strategy_t mId;
+};
+
+using AudioProductStrategyVector = std::vector<AudioProductStrategy>;
+
+} // namespace android
+
diff --git a/media/libaudioclient/include/media/AudioSystem.h b/media/libaudioclient/include/media/AudioSystem.h
index 1fb7add..87a9919 100644
--- a/media/libaudioclient/include/media/AudioSystem.h
+++ b/media/libaudioclient/include/media/AudioSystem.h
@@ -20,6 +20,7 @@
#include <sys/types.h>
#include <media/AudioPolicy.h>
+#include <media/AudioProductStrategy.h>
#include <media/AudioIoDescriptor.h>
#include <media/IAudioFlingerClient.h>
#include <media/IAudioPolicyServiceClient.h>
@@ -364,6 +365,12 @@
static bool isHapticPlaybackSupported();
+ static status_t listAudioProductStrategies(AudioProductStrategyVector &strategies);
+ static product_strategy_t getProductStrategyFromAudioAttributes(const AudioAttributes &aa);
+
+ static audio_attributes_t streamTypeToAttributes(audio_stream_type_t stream);
+ static audio_stream_type_t attributesToStreamType(const audio_attributes_t &attr);
+
// ----------------------------------------------------------------------------
class AudioPortCallback : public RefBase
diff --git a/media/libaudioclient/include/media/IAudioPolicyService.h b/media/libaudioclient/include/media/IAudioPolicyService.h
index 177adc2..b2cda32 100644
--- a/media/libaudioclient/include/media/IAudioPolicyService.h
+++ b/media/libaudioclient/include/media/IAudioPolicyService.h
@@ -196,6 +196,8 @@
virtual status_t setA11yServicesUids(const std::vector<uid_t>& uids) = 0;
virtual bool isHapticPlaybackSupported() = 0;
+ virtual status_t listAudioProductStrategies(AudioProductStrategyVector &strategies) = 0;
+ virtual product_strategy_t getProductStrategyFromAudioAttributes(const AudioAttributes &aa) = 0;
};