Move AudioDeviceTypeAddr to libaudiofoundation.

Move AudioDeviceTypeAddr from AudioPolicy.h to libaudiofoundation.
AudioDeviceTypeAddr is a class that contains audio device type and
address. It can be used not only in audio policy, but also other places.

Bug: 135621476
Test: make, atest AudioHostTest
Change-Id: Ib257859891c647c07f22771012efdada438a4ff5
Merged-In: Ib257859891c647c07f22771012efdada438a4ff5
diff --git a/media/libaudioclient/Android.bp b/media/libaudioclient/Android.bp
index 32904bb..f300589 100644
--- a/media/libaudioclient/Android.bp
+++ b/media/libaudioclient/Android.bp
@@ -13,6 +13,7 @@
         "AudioVolumeGroup.cpp",
     ],
     shared_libs: [
+        "libaudiofoundation",
         "libaudioutils",
         "libbinder",
         "libcutils",
diff --git a/media/libaudioclient/AudioPolicy.cpp b/media/libaudioclient/AudioPolicy.cpp
index 3cdf095..06fc23c 100644
--- a/media/libaudioclient/AudioPolicy.cpp
+++ b/media/libaudioclient/AudioPolicy.cpp
@@ -22,22 +22,6 @@
 namespace android {
 
 //
-//  AudioDeviceTypeAddr implementation
-//
-status_t AudioDeviceTypeAddr::readFromParcel(Parcel *parcel) {
-    mType = (audio_devices_t) parcel->readInt32();
-    mAddress = parcel->readString8();
-    return NO_ERROR;
-}
-
-status_t AudioDeviceTypeAddr::writeToParcel(Parcel *parcel) const {
-    parcel->writeInt32((int32_t) mType);
-    parcel->writeString8(mAddress);
-    return NO_ERROR;
-}
-
-
-//
 //  AudioMixMatchCriterion implementation
 //
 AudioMixMatchCriterion::AudioMixMatchCriterion(audio_usage_t usage,
diff --git a/media/libaudioclient/include/media/AudioPolicy.h b/media/libaudioclient/include/media/AudioPolicy.h
index ef39fd1..0ab1c9d 100644
--- a/media/libaudioclient/include/media/AudioPolicy.h
+++ b/media/libaudioclient/include/media/AudioPolicy.h
@@ -18,9 +18,10 @@
 #ifndef ANDROID_AUDIO_POLICY_H
 #define ANDROID_AUDIO_POLICY_H
 
+#include <binder/Parcel.h>
+#include <media/AudioDeviceTypeAddr.h>
 #include <system/audio.h>
 #include <system/audio_policy.h>
-#include <binder/Parcel.h>
 #include <utils/String8.h>
 #include <utils/Vector.h>
 
@@ -60,19 +61,6 @@
 #define MAX_MIXES_PER_POLICY 10
 #define MAX_CRITERIA_PER_MIX 20
 
-class AudioDeviceTypeAddr {
-public:
-    AudioDeviceTypeAddr() {}
-    AudioDeviceTypeAddr(audio_devices_t type, String8 address) :
-        mType(type), mAddress(address) {}
-
-    status_t readFromParcel(Parcel *parcel);
-    status_t writeToParcel(Parcel *parcel) const;
-
-    audio_devices_t mType;
-    String8 mAddress;
-};
-
 class AudioMixMatchCriterion {
 public:
     AudioMixMatchCriterion() {}
diff --git a/media/libaudioclient/include/media/AudioSystem.h b/media/libaudioclient/include/media/AudioSystem.h
index 09e80b2..3f846f7 100644
--- a/media/libaudioclient/include/media/AudioSystem.h
+++ b/media/libaudioclient/include/media/AudioSystem.h
@@ -19,6 +19,7 @@
 
 #include <sys/types.h>
 
+#include <media/AudioDeviceTypeAddr.h>
 #include <media/AudioPolicy.h>
 #include <media/AudioProductStrategy.h>
 #include <media/AudioVolumeGroup.h>
diff --git a/media/libaudioclient/include/media/IAudioPolicyService.h b/media/libaudioclient/include/media/IAudioPolicyService.h
index 32275cf..8669ee6 100644
--- a/media/libaudioclient/include/media/IAudioPolicyService.h
+++ b/media/libaudioclient/include/media/IAudioPolicyService.h
@@ -23,6 +23,7 @@
 #include <utils/RefBase.h>
 #include <utils/Errors.h>
 #include <binder/IInterface.h>
+#include <media/AudioDeviceTypeAddr.h>
 #include <media/AudioSystem.h>
 #include <media/AudioPolicy.h>
 #include <media/IAudioPolicyServiceClient.h>
diff --git a/media/libaudiofoundation/Android.bp b/media/libaudiofoundation/Android.bp
index 4b9e637..3cc0e2d 100644
--- a/media/libaudiofoundation/Android.bp
+++ b/media/libaudiofoundation/Android.bp
@@ -20,6 +20,7 @@
 
     srcs: [
         "AudioContainers.cpp",
+        "AudioDeviceTypeAddr.cpp",
         "AudioGain.cpp",
         "AudioPort.cpp",
         "AudioProfile.cpp",
diff --git a/media/libaudiofoundation/AudioDeviceTypeAddr.cpp b/media/libaudiofoundation/AudioDeviceTypeAddr.cpp
new file mode 100644
index 0000000..3e43ead
--- /dev/null
+++ b/media/libaudiofoundation/AudioDeviceTypeAddr.cpp
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2019 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 <media/AudioDeviceTypeAddr.h>
+
+namespace android {
+
+const char* AudioDeviceTypeAddr::getAddress() const {
+    return mAddress.c_str();
+}
+
+bool AudioDeviceTypeAddr::equals(const AudioDeviceTypeAddr& other) const {
+    return mType == other.mType && mAddress == other.mAddress;
+}
+
+status_t AudioDeviceTypeAddr::readFromParcel(const Parcel *parcel) {
+    status_t status;
+    if ((status = parcel->readUint32(&mType)) != NO_ERROR) return status;
+    status = parcel->readUtf8FromUtf16(&mAddress);
+    return status;
+}
+
+status_t AudioDeviceTypeAddr::writeToParcel(Parcel *parcel) const {
+    status_t status;
+    if ((status = parcel->writeUint32(mType)) != NO_ERROR) return status;
+    status = parcel->writeUtf8AsUtf16(mAddress);
+    return status;
+}
+
+}
\ No newline at end of file
diff --git a/media/libaudiofoundation/include/media/AudioDeviceTypeAddr.h b/media/libaudiofoundation/include/media/AudioDeviceTypeAddr.h
new file mode 100644
index 0000000..392a355
--- /dev/null
+++ b/media/libaudiofoundation/include/media/AudioDeviceTypeAddr.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2019 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 <string>
+
+#include <binder/Parcelable.h>
+#include <binder/Parcel.h>
+#include <system/audio.h>
+#include <utils/Errors.h>
+
+namespace android {
+
+struct AudioDeviceTypeAddr : public Parcelable {
+    AudioDeviceTypeAddr() = default;
+
+    AudioDeviceTypeAddr(audio_devices_t type, const std::string& address) :
+            mType(type), mAddress(address) {}
+
+    const char* getAddress() const;
+
+    bool equals(const AudioDeviceTypeAddr& other) const;
+
+    status_t readFromParcel(const Parcel *parcel) override;
+
+    status_t writeToParcel(Parcel *parcel) const override;
+
+    audio_devices_t mType = AUDIO_DEVICE_NONE;
+    std::string mAddress;
+};
+
+}