Merge changes I1d2263f0,Idcf09587,I8bdcd0da

* changes:
  Add parcelable test for classes in libaudiofoundation.
  Add equals functions for classes in libaudiofoundation.
  Make audio stuff parcelable.
diff --git a/media/libaudiofoundation/AudioGain.cpp b/media/libaudiofoundation/AudioGain.cpp
index 9d1d6db..0d28335 100644
--- a/media/libaudiofoundation/AudioGain.cpp
+++ b/media/libaudiofoundation/AudioGain.cpp
@@ -24,6 +24,8 @@
 #define ALOGVV(a...) do { } while(0)
 #endif
 
+#include <algorithm>
+
 #include <android-base/stringprintf.h>
 #include <media/AudioGain.h>
 #include <utils/Log.h>
@@ -111,6 +113,22 @@
     dst->append(base::StringPrintf("%*s- max_ramp_ms: %d ms\n", spaces, "", mGain.max_ramp_ms));
 }
 
+bool AudioGain::equals(const sp<AudioGain>& other) const
+{
+    return other != nullptr &&
+           mUseInChannelMask == other->mUseInChannelMask &&
+           mUseForVolume == other->mUseForVolume &&
+           // Compare audio gain
+           mGain.mode == other->mGain.mode &&
+           mGain.channel_mask == other->mGain.channel_mask &&
+           mGain.min_value == other->mGain.min_value &&
+           mGain.max_value == other->mGain.max_value &&
+           mGain.default_value == other->mGain.default_value &&
+           mGain.step_value == other->mGain.step_value &&
+           mGain.min_ramp_ms == other->mGain.min_ramp_ms &&
+           mGain.max_ramp_ms == other->mGain.max_ramp_ms;
+}
+
 status_t AudioGain::writeToParcel(android::Parcel *parcel) const
 {
     status_t status = NO_ERROR;
@@ -145,9 +163,17 @@
     return status;
 }
 
+bool AudioGains::equals(const AudioGains &other) const
+{
+    return std::equal(begin(), end(), other.begin(), other.end(),
+                      [](const sp<AudioGain>& left, const sp<AudioGain>& right) {
+                          return left->equals(right);
+                      });
+}
+
 status_t AudioGains::writeToParcel(android::Parcel *parcel) const {
     status_t status = NO_ERROR;
-    if ((status = parcel->writeUint64(this->size())) != NO_ERROR) return status;
+    if ((status = parcel->writeVectorSize(*this)) != NO_ERROR) return status;
     for (const auto &audioGain : *this) {
         if ((status = parcel->writeParcelable(*audioGain)) != NO_ERROR) {
             break;
@@ -158,15 +184,14 @@
 
 status_t AudioGains::readFromParcel(const android::Parcel *parcel) {
     status_t status = NO_ERROR;
-    uint64_t count;
-    if ((status = parcel->readUint64(&count)) != NO_ERROR) return status;
-    for (uint64_t i = 0; i < count; i++) {
-        sp<AudioGain> audioGain = new AudioGain(0, false);
-        if ((status = parcel->readParcelable(audioGain.get())) != NO_ERROR) {
+    this->clear();
+    if ((status = parcel->resizeOutVector(this)) != NO_ERROR) return status;
+    for (size_t i = 0; i < this->size(); i++) {
+        this->at(i) = new AudioGain(0, false);
+        if ((status = parcel->readParcelable(this->at(i).get())) != NO_ERROR) {
             this->clear();
             break;
         }
-        this->push_back(audioGain);
     }
     return status;
 }
diff --git a/media/libaudiofoundation/AudioPort.cpp b/media/libaudiofoundation/AudioPort.cpp
index cde31e4..f988690 100644
--- a/media/libaudiofoundation/AudioPort.cpp
+++ b/media/libaudiofoundation/AudioPort.cpp
@@ -105,6 +105,46 @@
     ALOGI("%s Port[nm:%s, type:%d, role:%d]", indent, mName.c_str(), mType, mRole);
 }
 
+bool AudioPort::equals(const sp<AudioPort> &other) const
+{
+    return other != nullptr &&
+           mGains.equals(other->getGains()) &&
+           mName.compare(other->getName()) == 0 &&
+           mType == other->getType() &&
+           mRole == other->getRole() &&
+           mProfiles.equals(other->getAudioProfiles());
+}
+
+status_t AudioPort::writeToParcel(Parcel *parcel) const
+{
+    status_t status = NO_ERROR;
+    if ((status = parcel->writeUtf8AsUtf16(mName)) != NO_ERROR) return status;
+    if ((status = parcel->writeUint32(mType)) != NO_ERROR) return status;
+    if ((status = parcel->writeUint32(mRole)) != NO_ERROR) return status;
+    if ((status = parcel->writeParcelable(mProfiles)) != NO_ERROR) return status;
+    if ((status = parcel->writeParcelable(mGains)) != NO_ERROR) return status;
+    return status;
+}
+
+status_t AudioPort::readFromParcel(const Parcel *parcel)
+{
+    status_t status = NO_ERROR;
+    if ((status = parcel->readUtf8FromUtf16(&mName)) != NO_ERROR) return status;
+    static_assert(sizeof(mType) == sizeof(uint32_t));
+    if ((status = parcel->readUint32(reinterpret_cast<uint32_t*>(&mType))) != NO_ERROR) {
+        return status;
+    }
+    static_assert(sizeof(mRole) == sizeof(uint32_t));
+    if ((status = parcel->readUint32(reinterpret_cast<uint32_t*>(&mRole))) != NO_ERROR) {
+        return status;
+    }
+    mProfiles.clear();
+    if ((status = parcel->readParcelable(&mProfiles)) != NO_ERROR) return status;
+    mGains.clear();
+    if ((status = parcel->readParcelable(&mGains)) != NO_ERROR) return status;
+    return status;
+}
+
 // --- AudioPortConfig class implementation
 
 status_t AudioPortConfig::applyAudioPortConfig(
@@ -188,4 +228,60 @@
                            : audioport->getGains().size() > 0;
 }
 
+bool AudioPortConfig::equals(const sp<AudioPortConfig> &other) const
+{
+    return other != nullptr &&
+           mSamplingRate == other->getSamplingRate() &&
+           mFormat == other->getFormat() &&
+           mChannelMask == other->getChannelMask() &&
+           // Compare audio gain config
+           mGain.index == other->mGain.index &&
+           mGain.mode == other->mGain.mode &&
+           mGain.channel_mask == other->mGain.channel_mask &&
+           std::equal(std::begin(mGain.values), std::end(mGain.values),
+                      std::begin(other->mGain.values)) &&
+           mGain.ramp_duration_ms == other->mGain.ramp_duration_ms;
 }
+
+status_t AudioPortConfig::writeToParcel(Parcel *parcel) const
+{
+    status_t status = NO_ERROR;
+    if ((status = parcel->writeUint32(mSamplingRate)) != NO_ERROR) return status;
+    if ((status = parcel->writeUint32(mFormat)) != NO_ERROR) return status;
+    if ((status = parcel->writeUint32(mChannelMask)) != NO_ERROR) return status;
+    if ((status = parcel->writeInt32(mId)) != NO_ERROR) return status;
+    // Write mGain to parcel.
+    if ((status = parcel->writeInt32(mGain.index)) != NO_ERROR) return status;
+    if ((status = parcel->writeUint32(mGain.mode)) != NO_ERROR) return status;
+    if ((status = parcel->writeUint32(mGain.channel_mask)) != NO_ERROR) return status;
+    if ((status = parcel->writeUint32(mGain.ramp_duration_ms)) != NO_ERROR) return status;
+    std::vector<int> values(std::begin(mGain.values), std::end(mGain.values));
+    if ((status = parcel->writeInt32Vector(values)) != NO_ERROR) return status;
+    return status;
+}
+
+status_t AudioPortConfig::readFromParcel(const Parcel *parcel)
+{
+    status_t status = NO_ERROR;
+    if ((status = parcel->readUint32(&mSamplingRate)) != NO_ERROR) return status;
+    static_assert(sizeof(mFormat) == sizeof(uint32_t));
+    if ((status = parcel->readUint32(reinterpret_cast<uint32_t*>(&mFormat))) != NO_ERROR) {
+        return status;
+    }
+    if ((status = parcel->readUint32(&mChannelMask)) != NO_ERROR) return status;
+    if ((status = parcel->readInt32(&mId)) != NO_ERROR) return status;
+    // Read mGain from parcel.
+    if ((status = parcel->readInt32(&mGain.index)) != NO_ERROR) return status;
+    if ((status = parcel->readUint32(&mGain.mode)) != NO_ERROR) return status;
+    if ((status = parcel->readUint32(&mGain.channel_mask)) != NO_ERROR) return status;
+    if ((status = parcel->readUint32(&mGain.ramp_duration_ms)) != NO_ERROR) return status;
+    std::vector<int> values;
+    if ((status = parcel->readInt32Vector(&values)) != NO_ERROR) return status;
+    if (values.size() != std::size(mGain.values)) {
+        return BAD_VALUE;
+    }
+    std::copy(values.begin(), values.end(), mGain.values);
+    return status;
+}
+
+} // namespace android
diff --git a/media/libaudiofoundation/AudioProfile.cpp b/media/libaudiofoundation/AudioProfile.cpp
index 1ae18c5..91be346 100644
--- a/media/libaudiofoundation/AudioProfile.cpp
+++ b/media/libaudiofoundation/AudioProfile.cpp
@@ -118,6 +118,56 @@
     }
 }
 
+bool AudioProfile::equals(const sp<AudioProfile>& other) const
+{
+    return other != nullptr &&
+           mName.compare(other->mName) == 0 &&
+           mFormat == other->getFormat() &&
+           mChannelMasks == other->getChannels() &&
+           mSamplingRates == other->getSampleRates() &&
+           mIsDynamicFormat == other->isDynamicFormat() &&
+           mIsDynamicChannels == other->isDynamicChannels() &&
+           mIsDynamicRate == other->isDynamicRate();
+}
+
+status_t AudioProfile::writeToParcel(Parcel *parcel) const
+{
+    status_t status = NO_ERROR;
+    if ((status = parcel->writeUtf8AsUtf16(mName)) != NO_ERROR) return status;
+    if ((status = parcel->writeUint32(mFormat)) != NO_ERROR) return status;
+    std::vector<int> values(mChannelMasks.begin(), mChannelMasks.end());
+    if ((status = parcel->writeInt32Vector(values)) != NO_ERROR) return status;
+    values.clear();
+    values.assign(mSamplingRates.begin(), mSamplingRates.end());
+    if ((status = parcel->writeInt32Vector(values)) != NO_ERROR) return status;
+    if ((status = parcel->writeBool(mIsDynamicFormat)) != NO_ERROR) return status;
+    if ((status = parcel->writeBool(mIsDynamicChannels)) != NO_ERROR) return status;
+    if ((status = parcel->writeBool(mIsDynamicRate)) != NO_ERROR) return status;
+    return status;
+}
+
+status_t AudioProfile::readFromParcel(const Parcel *parcel)
+{
+    status_t status = NO_ERROR;
+    if ((status = parcel->readUtf8FromUtf16(&mName)) != NO_ERROR) return status;
+    static_assert(sizeof(mFormat) == sizeof(uint32_t));
+    if ((status = parcel->readUint32(reinterpret_cast<uint32_t*>(&mFormat))) != NO_ERROR) {
+        return status;
+    }
+    std::vector<int> values;
+    if ((status = parcel->readInt32Vector(&values)) != NO_ERROR) return status;
+    mChannelMasks.clear();
+    mChannelMasks.insert(values.begin(), values.end());
+    values.clear();
+    if ((status = parcel->readInt32Vector(&values)) != NO_ERROR) return status;
+    mSamplingRates.clear();
+    mSamplingRates.insert(values.begin(), values.end());
+    if ((status = parcel->readBool(&mIsDynamicFormat)) != NO_ERROR) return status;
+    if ((status = parcel->readBool(&mIsDynamicChannels)) != NO_ERROR) return status;
+    if ((status = parcel->readBool(&mIsDynamicRate)) != NO_ERROR) return status;
+    return status;
+}
+
 ssize_t AudioProfileVector::add(const sp<AudioProfile> &profile)
 {
     ssize_t index = size();
@@ -219,4 +269,39 @@
     }
 }
 
+status_t AudioProfileVector::writeToParcel(Parcel *parcel) const
+{
+    status_t status = NO_ERROR;
+    if ((status = parcel->writeVectorSize(*this)) != NO_ERROR) return status;
+    for (const auto &audioProfile : *this) {
+        if ((status = parcel->writeParcelable(*audioProfile)) != NO_ERROR) {
+            break;
+        }
+    }
+    return status;
+}
+
+status_t AudioProfileVector::readFromParcel(const Parcel *parcel)
+{
+    status_t status = NO_ERROR;
+    this->clear();
+    if ((status = parcel->resizeOutVector(this)) != NO_ERROR) return status;
+    for (size_t i = 0; i < this->size(); ++i) {
+        this->at(i) = new AudioProfile(AUDIO_FORMAT_DEFAULT, AUDIO_CHANNEL_NONE, 0 /*sampleRate*/);
+        if ((status = parcel->readParcelable(this->at(i).get())) != NO_ERROR) {
+            this->clear();
+            break;
+        }
+    }
+    return status;
+}
+
+bool AudioProfileVector::equals(const AudioProfileVector& other) const
+{
+    return std::equal(begin(), end(), other.begin(), other.end(),
+                      [](const sp<AudioProfile>& left, const sp<AudioProfile>& right) {
+                          return left->equals(right);
+                      });
+}
+
 } // namespace android
diff --git a/media/libaudiofoundation/DeviceDescriptorBase.cpp b/media/libaudiofoundation/DeviceDescriptorBase.cpp
index f92c05d..18fd184 100644
--- a/media/libaudiofoundation/DeviceDescriptorBase.cpp
+++ b/media/libaudiofoundation/DeviceDescriptorBase.cpp
@@ -110,4 +110,33 @@
     AudioPort::log("  ");
 }
 
+bool DeviceDescriptorBase::equals(const sp<DeviceDescriptorBase> &other) const
+{
+    return other != nullptr &&
+           static_cast<const AudioPort*>(this)->equals(other) &&
+           static_cast<const AudioPortConfig*>(this)->equals(other) &&
+           mAddress.compare(other->address()) == 0 &&
+           mDeviceType == other->type();
+}
+
+status_t DeviceDescriptorBase::writeToParcel(Parcel *parcel) const
+{
+    status_t status = NO_ERROR;
+    if ((status = AudioPort::writeToParcel(parcel)) != NO_ERROR) return status;
+    if ((status = AudioPortConfig::writeToParcel(parcel)) != NO_ERROR) return status;
+    if ((status = parcel->writeUtf8AsUtf16(mAddress)) != NO_ERROR) return status;
+    if ((status = parcel->writeUint32(mDeviceType)) != NO_ERROR) return status;
+    return status;
+}
+
+status_t DeviceDescriptorBase::readFromParcel(const Parcel *parcel)
+{
+    status_t status = NO_ERROR;
+    if ((status = AudioPort::readFromParcel(parcel)) != NO_ERROR) return status;
+    if ((status = AudioPortConfig::readFromParcel(parcel)) != NO_ERROR) return status;
+    if ((status = parcel->readUtf8FromUtf16(&mAddress)) != NO_ERROR) return status;
+    if ((status = parcel->readUint32(&mDeviceType)) != NO_ERROR) return status;
+    return status;
+}
+
 } // namespace android
diff --git a/media/libaudiofoundation/TEST_MAPPING b/media/libaudiofoundation/TEST_MAPPING
new file mode 100644
index 0000000..f6d249a
--- /dev/null
+++ b/media/libaudiofoundation/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+  "presubmit": [
+    {
+       "name": "audiofoundation_parcelable_test"
+    }
+  ]
+}
diff --git a/media/libaudiofoundation/include/media/AudioGain.h b/media/libaudiofoundation/include/media/AudioGain.h
index 6a7fb55..859f1e7 100644
--- a/media/libaudiofoundation/include/media/AudioGain.h
+++ b/media/libaudiofoundation/include/media/AudioGain.h
@@ -67,6 +67,8 @@
 
     const struct audio_gain &getGain() const { return mGain; }
 
+    bool equals(const sp<AudioGain>& other) const;
+
     status_t writeToParcel(Parcel* parcel) const override;
     status_t readFromParcel(const Parcel* parcel) override;
 
@@ -96,6 +98,8 @@
         return 0;
     }
 
+    bool equals(const AudioGains& other) const;
+
     status_t writeToParcel(Parcel* parcel) const override;
     status_t readFromParcel(const Parcel* parcel) override;
 };
diff --git a/media/libaudiofoundation/include/media/AudioPort.h b/media/libaudiofoundation/include/media/AudioPort.h
index b8d54de..3c013cb 100644
--- a/media/libaudiofoundation/include/media/AudioPort.h
+++ b/media/libaudiofoundation/include/media/AudioPort.h
@@ -18,6 +18,8 @@
 
 #include <string>
 
+#include <binder/Parcel.h>
+#include <binder/Parcelable.h>
 #include <media/AudioGain.h>
 #include <media/AudioProfile.h>
 #include <utils/Errors.h>
@@ -27,7 +29,7 @@
 
 namespace android {
 
-class AudioPort : public virtual RefBase
+class AudioPort : public virtual RefBase, public virtual Parcelable
 {
 public:
     AudioPort(const std::string& name, audio_port_type_t type,  audio_port_role_t role) :
@@ -79,6 +81,11 @@
 
     void log(const char* indent) const;
 
+    bool equals(const sp<AudioPort>& other) const;
+
+    status_t writeToParcel(Parcel* parcel) const override;
+    status_t readFromParcel(const Parcel* parcel) override;
+
     AudioGains mGains; // gain controllers
 protected:
     std::string  mName;
@@ -88,7 +95,7 @@
 };
 
 
-class AudioPortConfig : public virtual RefBase
+class AudioPortConfig : public virtual RefBase, public virtual Parcelable
 {
 public:
     virtual ~AudioPortConfig() = default;
@@ -108,6 +115,11 @@
 
     bool hasGainController(bool canUseForVolume = false) const;
 
+    bool equals(const sp<AudioPortConfig>& other) const;
+
+    status_t writeToParcel(Parcel* parcel) const override;
+    status_t readFromParcel(const Parcel* parcel) override;
+
 protected:
     unsigned int mSamplingRate = 0u;
     audio_format_t mFormat = AUDIO_FORMAT_INVALID;
diff --git a/media/libaudiofoundation/include/media/AudioProfile.h b/media/libaudiofoundation/include/media/AudioProfile.h
index f4c2e12..730138a 100644
--- a/media/libaudiofoundation/include/media/AudioProfile.h
+++ b/media/libaudiofoundation/include/media/AudioProfile.h
@@ -19,13 +19,15 @@
 #include <string>
 #include <vector>
 
+#include <binder/Parcel.h>
+#include <binder/Parcelable.h>
 #include <media/AudioContainers.h>
 #include <system/audio.h>
 #include <utils/RefBase.h>
 
 namespace android {
 
-class AudioProfile final : public RefBase
+class AudioProfile final : public RefBase, public Parcelable
 {
 public:
     static sp<AudioProfile> createFullDynamic(audio_format_t dynamicFormat = AUDIO_FORMAT_DEFAULT);
@@ -66,6 +68,11 @@
 
     void dump(std::string *dst, int spaces) const;
 
+    bool equals(const sp<AudioProfile>& other) const;
+
+    status_t writeToParcel(Parcel* parcel) const override;
+    status_t readFromParcel(const Parcel* parcel) override;
+
 private:
     std::string  mName;
     audio_format_t mFormat; // The format for an audio profile should only be set when initialized.
@@ -77,7 +84,7 @@
     bool mIsDynamicRate = false;
 };
 
-class AudioProfileVector : public std::vector<sp<AudioProfile>>
+class AudioProfileVector : public std::vector<sp<AudioProfile>>, public Parcelable
 {
 public:
     virtual ~AudioProfileVector() = default;
@@ -99,6 +106,11 @@
     bool hasDynamicRateFor(audio_format_t format) const;
 
     virtual void dump(std::string *dst, int spaces) const;
+
+    bool equals(const AudioProfileVector& other) const;
+
+    status_t writeToParcel(Parcel* parcel) const override;
+    status_t readFromParcel(const Parcel* parcel) override;
 };
 
 bool operator == (const AudioProfile &left, const AudioProfile &right);
diff --git a/media/libaudiofoundation/include/media/DeviceDescriptorBase.h b/media/libaudiofoundation/include/media/DeviceDescriptorBase.h
index bbe0517..6a34b4d 100644
--- a/media/libaudiofoundation/include/media/DeviceDescriptorBase.h
+++ b/media/libaudiofoundation/include/media/DeviceDescriptorBase.h
@@ -16,6 +16,8 @@
 
 #pragma once
 
+#include <binder/Parcel.h>
+#include <binder/Parcelable.h>
 #include <media/AudioPort.h>
 #include <utils/Errors.h>
 #include <cutils/config_utils.h>
@@ -51,6 +53,11 @@
     void log() const;
     std::string toString() const;
 
+    bool equals(const sp<DeviceDescriptorBase>& other) const;
+
+    status_t writeToParcel(Parcel* parcel) const override;
+    status_t readFromParcel(const Parcel* parcel) override;
+
 protected:
     std::string mAddress{""};
     audio_devices_t     mDeviceType;
diff --git a/media/libaudiofoundation/tests/Android.bp b/media/libaudiofoundation/tests/Android.bp
new file mode 100644
index 0000000..f258b14
--- /dev/null
+++ b/media/libaudiofoundation/tests/Android.bp
@@ -0,0 +1,25 @@
+cc_test {
+    name: "audiofoundation_parcelable_test",
+
+    shared_libs: [
+        "libaudiofoundation",
+        "libbinder",
+        "liblog",
+        "libutils",
+    ],
+
+    header_libs: [
+        "libaudio_system_headers",
+    ],
+
+    srcs: [
+        "audiofoundation_parcelable_test.cpp",
+    ],
+
+    cflags: [
+        "-Werror",
+        "-Wall",
+    ],
+
+    test_suites: ["device-tests"],
+}
diff --git a/media/libaudiofoundation/tests/audiofoundation_parcelable_test.cpp b/media/libaudiofoundation/tests/audiofoundation_parcelable_test.cpp
new file mode 100644
index 0000000..5baa072
--- /dev/null
+++ b/media/libaudiofoundation/tests/audiofoundation_parcelable_test.cpp
@@ -0,0 +1,142 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "audiofoundation_parcelable_test"
+
+#include <gtest/gtest.h>
+
+#include <binder/IServiceManager.h>
+#include <binder/Parcelable.h>
+#include <binder/ProcessState.h>
+#include <media/AudioGain.h>
+#include <media/AudioPort.h>
+#include <media/AudioProfile.h>
+#include <media/DeviceDescriptorBase.h>
+#include <utils/Log.h>
+#include <utils/String16.h>
+
+namespace android {
+
+static const audio_port_config TEST_AUDIO_PORT_CONFIG = {
+        .id = 0,
+        .role = AUDIO_PORT_ROLE_SINK,
+        .type = AUDIO_PORT_TYPE_DEVICE,
+        .config_mask = AUDIO_PORT_CONFIG_SAMPLE_RATE | AUDIO_PORT_CONFIG_CHANNEL_MASK |
+                       AUDIO_PORT_CONFIG_FORMAT | AUDIO_PORT_CONFIG_GAIN,
+        .sample_rate = 48000,
+        .channel_mask = AUDIO_CHANNEL_OUT_STEREO,
+        .format = AUDIO_FORMAT_PCM_16_BIT,
+        .gain = {
+                .index = 0,
+                .mode = AUDIO_GAIN_MODE_JOINT,
+                .channel_mask = AUDIO_CHANNEL_OUT_STEREO,
+        }
+};
+
+class AudioPortConfigTestStub : public AudioPortConfig {
+public:
+    sp<AudioPort> getAudioPort() const override { return nullptr; }
+};
+
+AudioGains getAudioGainsForTest() {
+    AudioGains audioGains;
+    sp<AudioGain> audioGain = new AudioGain(0 /*index*/, false /*useInChannelMask*/);
+    audioGain->setMode(AUDIO_GAIN_MODE_JOINT);
+    audioGain->setChannelMask(AUDIO_CHANNEL_OUT_STEREO);
+    audioGain->setMinValueInMb(-3200);
+    audioGain->setMaxValueInMb(600);
+    audioGain->setDefaultValueInMb(0);
+    audioGain->setStepValueInMb(100);
+    audioGain->setMinRampInMs(100);
+    audioGain->setMaxRampInMs(500);
+    audioGains.push_back(audioGain);
+    return audioGains;
+}
+
+AudioProfileVector getAudioProfileVectorForTest() {
+    AudioProfileVector audioProfiles;
+    sp<AudioProfile> audioProfile = AudioProfile::createFullDynamic();
+    audioProfile->setChannels({AUDIO_CHANNEL_OUT_MONO, AUDIO_CHANNEL_OUT_STEREO});
+    audioProfile->setSampleRates({48000});
+    audioProfiles.add(audioProfile);
+    return audioProfiles;
+}
+
+TEST(AudioFoundationParcelableTest, ParcelingAudioGain) {
+    Parcel data;
+    AudioGains audioGains = getAudioGainsForTest();
+
+    ASSERT_EQ(data.writeParcelable(audioGains), NO_ERROR);
+    data.setDataPosition(0);
+    AudioGains audioGainsFromParcel;
+    ASSERT_EQ(data.readParcelable(&audioGainsFromParcel), NO_ERROR);
+    ASSERT_TRUE(audioGainsFromParcel.equals(audioGains));
+}
+
+TEST(AudioFoundationParcelableTest, ParcelingAudioProfileVector) {
+    Parcel data;
+    AudioProfileVector audioProfiles = getAudioProfileVectorForTest();
+
+    ASSERT_EQ(data.writeParcelable(audioProfiles), NO_ERROR);
+    data.setDataPosition(0);
+    AudioProfileVector audioProfilesFromParcel;
+    ASSERT_EQ(data.readParcelable(&audioProfilesFromParcel), NO_ERROR);
+    ASSERT_TRUE(audioProfilesFromParcel.equals(audioProfiles));
+}
+
+TEST(AudioFoundationParcelableTest, ParcelingAudioPort) {
+    Parcel data;
+    sp<AudioPort> audioPort = new AudioPort(
+            "AudioPortName", AUDIO_PORT_TYPE_DEVICE, AUDIO_PORT_ROLE_SINK);
+    audioPort->setGains(getAudioGainsForTest());
+    audioPort->setAudioProfiles(getAudioProfileVectorForTest());
+
+    ASSERT_EQ(data.writeParcelable(*audioPort), NO_ERROR);
+    data.setDataPosition(0);
+    sp<AudioPort> audioPortFromParcel = new AudioPort(
+            "", AUDIO_PORT_TYPE_NONE, AUDIO_PORT_ROLE_NONE);
+    ASSERT_EQ(data.readParcelable(audioPortFromParcel.get()), NO_ERROR);
+    ASSERT_TRUE(audioPortFromParcel->equals(audioPort));
+}
+
+TEST(AudioFoundationParcelableTest, ParcelingAudioPortConfig) {
+    Parcel data;
+    sp<AudioPortConfig> audioPortConfig = new AudioPortConfigTestStub();
+    audioPortConfig->applyAudioPortConfig(&TEST_AUDIO_PORT_CONFIG);
+
+    ASSERT_EQ(data.writeParcelable(*audioPortConfig), NO_ERROR);
+    data.setDataPosition(0);
+    sp<AudioPortConfig> audioPortConfigFromParcel = new AudioPortConfigTestStub();
+    ASSERT_EQ(data.readParcelable(audioPortConfigFromParcel.get()), NO_ERROR);
+    ASSERT_TRUE(audioPortConfigFromParcel->equals(audioPortConfig));
+}
+
+TEST(AudioFoundationParcelableTest, ParcelingDeviceDescriptorBase) {
+    Parcel data;
+    sp<DeviceDescriptorBase> desc = new DeviceDescriptorBase(AUDIO_DEVICE_OUT_SPEAKER);
+    desc->setGains(getAudioGainsForTest());
+    desc->setAudioProfiles(getAudioProfileVectorForTest());
+    desc->applyAudioPortConfig(&TEST_AUDIO_PORT_CONFIG);
+    desc->setAddress("DeviceDescriptorBaseTestAddress");
+
+    ASSERT_EQ(data.writeParcelable(*desc), NO_ERROR);
+    data.setDataPosition(0);
+    sp<DeviceDescriptorBase> descFromParcel = new DeviceDescriptorBase(AUDIO_DEVICE_NONE);
+    ASSERT_EQ(data.readParcelable(descFromParcel.get()), NO_ERROR);
+    ASSERT_TRUE(descFromParcel->equals(desc));
+}
+
+} // namespace android