diff --git a/include/audiomanager/AudioManager.h b/include/audiomanager/AudioManager.h
new file mode 100644
index 0000000..d561594
--- /dev/null
+++ b/include/audiomanager/AudioManager.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+#ifndef ANDROID_AUDIOMANAGER_H
+#define ANDROID_AUDIOMANAGER_H
+
+namespace android {
+
+// must be kept in sync with definitions in AudioPlaybackConfiguration.java
+
+#define PLAYER_PIID_INVALID -1
+
+enum {
+    PLAYER_TYPE_SLES_AUDIOPLAYER_BUFFERQUEUE = 11,
+    PLAYER_TYPE_SLES_AUDIOPLAYER_URI_FD = 12,
+};
+
+enum {
+    PLAYER_STATE_UNKNOWN  = -1,
+    PLAYER_STATE_RELEASED = 0,
+    PLAYER_STATE_IDLE     = 1,
+    PLAYER_STATE_STARTED  = 2,
+    PLAYER_STATE_PAUSED   = 3,
+    PLAYER_STATE_STOPPED  = 4,
+};
+
+}; // namespace android
+
+#endif // ANDROID_AUDIOMANAGER_H
diff --git a/include/audiomanager/IAudioManager.h b/include/audiomanager/IAudioManager.h
new file mode 100644
index 0000000..f5ea259
--- /dev/null
+++ b/include/audiomanager/IAudioManager.h
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+#ifndef ANDROID_IAUDIOMANAGER_H
+#define ANDROID_IAUDIOMANAGER_H
+
+#include <utils/Errors.h>
+#include <binder/IInterface.h>
+#include <hardware/power.h>
+#include <system/audio.h>
+
+namespace android {
+
+// ----------------------------------------------------------------------------
+
+class IAudioManager : public IInterface
+{
+public:
+    // These transaction IDs must be kept in sync with the method order from
+    // IAudioService.aidl.
+    enum {
+        // transaction IDs for the unsupported methods are commented out
+        /*
+        ADJUSTSUGGESTEDSTREAMVOLUME           = IBinder::FIRST_CALL_TRANSACTION,
+        ADJUSTSTREAMVOLUME                    = IBinder::FIRST_CALL_TRANSACTION + 1,
+        SETSTREAMVOLUME                       = IBinder::FIRST_CALL_TRANSACTION + 2,
+        ISSTREAMMUTE                          = IBinder::FIRST_CALL_TRANSACTION + 3,
+        FORCEREMOTESUBMIXFULLVOLUME           = IBinder::FIRST_CALL_TRANSACTION + 4,
+        ISMASTERMUTE                          = IBinder::FIRST_CALL_TRANSACTION + 5,
+        SETMASTERMUTE                         = IBinder::FIRST_CALL_TRANSACTION + 6,
+        GETSTREAMVOLUME                       = IBinder::FIRST_CALL_TRANSACTION + 7,
+        GETSTREAMMINVOLUME                    = IBinder::FIRST_CALL_TRANSACTION + 8,
+        GETSTREAMMAXVOLUME                    = IBinder::FIRST_CALL_TRANSACTION + 9,
+        GETLASTAUDIBLESTREAMVOLUME            = IBinder::FIRST_CALL_TRANSACTION + 10,
+        SETMICROPHONEMUTE                     = IBinder::FIRST_CALL_TRANSACTION + 11,
+        SETRINGERMODEEXTERNAL                 = IBinder::FIRST_CALL_TRANSACTION + 12,
+        SETRINGERMODEINTERNAL                 = IBinder::FIRST_CALL_TRANSACTION + 13,
+        GETRINGERMODEEXTERNAL                 = IBinder::FIRST_CALL_TRANSACTION + 14,
+        GETRINGERMODEINTERNAL                 = IBinder::FIRST_CALL_TRANSACTION + 15,
+        ISVALIDRINGERMODE                     = IBinder::FIRST_CALL_TRANSACTION + 16,
+        SETVIBRATESETTING                     = IBinder::FIRST_CALL_TRANSACTION + 17,
+        GETVIBRATESETTING                     = IBinder::FIRST_CALL_TRANSACTION + 18,
+        SHOULDVIBRATE                         = IBinder::FIRST_CALL_TRANSACTION + 19,
+        SETMODE                               = IBinder::FIRST_CALL_TRANSACTION + 20,
+        GETMODE                               = IBinder::FIRST_CALL_TRANSACTION + 21,
+        PLAYSOUNDEFFECT                       = IBinder::FIRST_CALL_TRANSACTION + 22,
+        PLAYSOUNDEFFECTVOLUME                 = IBinder::FIRST_CALL_TRANSACTION + 23,
+        LOADSOUNDEFFECTS                      = IBinder::FIRST_CALL_TRANSACTION + 24,
+        UNLOADSOUNDEFFECTS                    = IBinder::FIRST_CALL_TRANSACTION + 25,
+        RELOADAUDIOSETTINGS                   = IBinder::FIRST_CALL_TRANSACTION + 26,
+        AVRCPSUPPORTSABSOLUTEVOLUME           = IBinder::FIRST_CALL_TRANSACTION + 27,
+        SETSPEAKERPHONEON                     = IBinder::FIRST_CALL_TRANSACTION + 28,
+        ISSPEAKERPHONEON                      = IBinder::FIRST_CALL_TRANSACTION + 29,
+        SETBLUETOOTHSCOON                     = IBinder::FIRST_CALL_TRANSACTION + 30,
+        ISBLUETOOTHSCOON                      = IBinder::FIRST_CALL_TRANSACTION + 31,
+        SETBLUETOOTHA2DPON                    = IBinder::FIRST_CALL_TRANSACTION + 32,
+        ISBLUETOOTHA2DPON                     = IBinder::FIRST_CALL_TRANSACTION + 33,
+        REQUESTAUDIOFOCUS                     = IBinder::FIRST_CALL_TRANSACTION + 34,
+        ABANDONAUDIOFOCUS                     = IBinder::FIRST_CALL_TRANSACTION + 35,
+        UNREGISTERAUDIOFOCUSCLIENT            = IBinder::FIRST_CALL_TRANSACTION + 36,
+        GETCURRENTAUDIOFOCUS                  = IBinder::FIRST_CALL_TRANSACTION + 37,
+        STARTBLUETOOTHSCO                     = IBinder::FIRST_CALL_TRANSACTION + 38,
+        STARTBLUETOOTHSCOVIRTUALCALL          = IBinder::FIRST_CALL_TRANSACTION + 39,
+        STOPBLUETOOTHSCO                      = IBinder::FIRST_CALL_TRANSACTION + 40,
+        FORCEVOLUMECONTROLSTREAM              = IBinder::FIRST_CALL_TRANSACTION + 41,
+        SETRINGTONEPLAYER                     = IBinder::FIRST_CALL_TRANSACTION + 42,
+        GETRINGTONEPLAYER                     = IBinder::FIRST_CALL_TRANSACTION + 43,
+        GETUISOUNDSSTREAMTYPE                 = IBinder::FIRST_CALL_TRANSACTION + 44,
+        SETWIREDDEVICECONNECTIONSTATE         = IBinder::FIRST_CALL_TRANSACTION + 45,
+        SETBLUETOOTHA2DPDEVICECONNECTIONSTATE = IBinder::FIRST_CALL_TRANSACTION + 46,
+        HANDLEBLUETOOTHA2DPDEVICECONFIGCHANGE = IBinder::FIRST_CALL_TRANSACTION + 47,
+        STARTWATCHINGROUTES                   = IBinder::FIRST_CALL_TRANSACTION + 48,
+        ISCAMERASOUNDFORCED                   = IBinder::FIRST_CALL_TRANSACTION + 49,
+        SETVOLUMECONTROLLER                   = IBinder::FIRST_CALL_TRANSACTION + 50,
+        NOTIFYVOLUMECONTROLLERVISIBLE         = IBinder::FIRST_CALL_TRANSACTION + 51,
+        ISSTREAMAFFECTEDBYRINGERMODE          = IBinder::FIRST_CALL_TRANSACTION + 52,
+        ISSTREAMAFFECTEDBYMUTE                = IBinder::FIRST_CALL_TRANSACTION + 53,
+        DISABLESAFEMEDIAVOLUME                = IBinder::FIRST_CALL_TRANSACTION + 54,
+        SETHDMISYSTEMAUDIOSUPPORTED           = IBinder::FIRST_CALL_TRANSACTION + 55,
+        ISHDMISYSTEMAUDIOSUPPORTED            = IBinder::FIRST_CALL_TRANSACTION + 56,
+        REGISTERAUDIOPOLICY                   = IBinder::FIRST_CALL_TRANSACTION + 57,
+        UNREGISTERAUDIOPOLICYASYNC            = IBinder::FIRST_CALL_TRANSACTION + 58,
+        SETFOCUSPROPERTIESFORPOLICY           = IBinder::FIRST_CALL_TRANSACTION + 59,
+        SETVOLUMEPOLICY                       = IBinder::FIRST_CALL_TRANSACTION + 60,
+        REGISTERRECORDINGCALLBACK             = IBinder::FIRST_CALL_TRANSACTION + 61,
+        UNREGISTERRECORDINGCALLBACK           = IBinder::FIRST_CALL_TRANSACTION + 62,
+        GETACTIVERECORDINGCONFIGURATIONS      = IBinder::FIRST_CALL_TRANSACTION + 63,
+        REGISTERPLAYBACKCALLBACK              = IBinder::FIRST_CALL_TRANSACTION + 64,
+        UNREGISTERPLAYBACKCALLBACK            = IBinder::FIRST_CALL_TRANSACTION + 65,
+        GETACTIVEPLAYBACKCONFIGURATIONS       = IBinder::FIRST_CALL_TRANSACTION + 66,
+        */
+
+        TRACK_PLAYER                          = IBinder::FIRST_CALL_TRANSACTION + 67,
+        PLAYER_ATTRIBUTES                     = IBinder::FIRST_CALL_TRANSACTION + 68,
+        PLAYER_EVENT                          = IBinder::FIRST_CALL_TRANSACTION + 69,
+        RELEASE_PLAYER                        = IBinder::FIRST_CALL_TRANSACTION + 70,
+
+    };
+
+    DECLARE_META_INTERFACE(AudioManager)
+
+    // The parcels created by these methods must be kept in sync with the
+    // corresponding methods from IAudioService.aidl and objects it imports.
+    virtual audio_unique_id_t trackPlayer(int playerType, int usage, int content) = 0;
+    /*oneway*/ virtual status_t playerAttributes(audio_unique_id_t piid, int usage, int content)= 0;
+    /*oneway*/ virtual status_t playerEvent(int piid, int event) = 0;
+    /*oneway*/ virtual status_t releasePlayer(int piid) = 0;
+};
+
+// ----------------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // ANDROID_IAUDIOMANAGER_H
diff --git a/services/audiomanager/Android.bp b/services/audiomanager/Android.bp
new file mode 100644
index 0000000..04dd967
--- /dev/null
+++ b/services/audiomanager/Android.bp
@@ -0,0 +1,18 @@
+cc_library_shared {
+    name: "libaudiomanager",
+
+    srcs: ["IAudioManager.cpp"],
+
+    shared_libs: [
+        "libutils",
+        "libbinder",
+        "liblog",
+    ],
+
+    cflags: [
+        "-Wall",
+        "-Werror",
+        "-Wunused",
+        "-Wunreachable-code",
+    ],
+}
diff --git a/services/audiomanager/IAudioManager.cpp b/services/audiomanager/IAudioManager.cpp
new file mode 100644
index 0000000..a41804f
--- /dev/null
+++ b/services/audiomanager/IAudioManager.cpp
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2016 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 "IAudioManager"
+//#define LOG_NDEBUG 0
+#include <utils/Log.h>
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <binder/Parcel.h>
+#include <audiomanager/AudioManager.h>
+#include <audiomanager/IAudioManager.h>
+
+namespace android {
+
+class BpAudioManager : public BpInterface<IAudioManager>
+{
+public:
+    explicit BpAudioManager(const sp<IBinder>& impl)
+        : BpInterface<IAudioManager>(impl)
+    {
+    }
+
+    virtual audio_unique_id_t trackPlayer(int playerType, int usage, int content) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor());
+        data.writeInt32(1); // non-null PlayerIdCard parcelable
+        // marshall PlayerIdCard data
+        data.writeInt32((int32_t) playerType);
+        //   write attributes of PlayerIdCard
+        data.writeInt32(usage);
+        data.writeInt32(content);
+        data.writeInt32(0 /*source: none here, this is a player*/);
+        data.writeInt32(0 /*flags*/);
+        //   write attributes' tags
+        data.writeInt32(1 /*FLATTEN_TAGS*/);
+        data.writeString16(String16("")); // no tags
+        //   write attributes' bundle
+        data.writeInt32(-1977 /*ATTR_PARCEL_IS_NULL_BUNDLE*/); // no bundle
+        // get new PIId in reply
+        const status_t res = remote()->transact(TRACK_PLAYER, data, &reply, 0);
+        if (res != OK || reply.readExceptionCode() != 0) {
+            ALOGE("trackPlayer() failed, piid is %d", PLAYER_PIID_INVALID);
+            return PLAYER_PIID_INVALID;
+        } else {
+            const audio_unique_id_t piid = (audio_unique_id_t) reply.readInt32();
+            ALOGV("trackPlayer() returned piid %d", piid);
+            return piid;
+        }
+    }
+
+    virtual status_t playerAttributes(audio_unique_id_t piid, int usage, int content) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor());
+        data.writeInt32(piid);
+        data.writeInt32(1); // non-null AudioAttributes parcelable
+        data.writeInt32(usage);
+        data.writeInt32(content);
+        data.writeInt32(0 /*source: none here, this is a player*/);
+        data.writeInt32(0 /*flags*/);
+        //   write attributes' tags
+        data.writeInt32(1 /*FLATTEN_TAGS*/);
+        data.writeString16(String16("")); // no tags
+        //   write attributes' bundle
+        data.writeInt32(-1977 /*ATTR_PARCEL_IS_NULL_BUNDLE*/); // no bundle
+        return remote()->transact(PLAYER_ATTRIBUTES, data, &reply, IBinder::FLAG_ONEWAY);
+    }
+
+    virtual status_t playerEvent(int piid, int event) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor());
+        data.writeInt32(piid);
+        data.writeInt32(event);
+        return remote()->transact(PLAYER_EVENT, data, &reply, IBinder::FLAG_ONEWAY);
+    }
+
+    virtual status_t releasePlayer(int piid) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor());
+        data.writeInt32(piid);
+        return remote()->transact(RELEASE_PLAYER, data, &reply, IBinder::FLAG_ONEWAY);
+    }
+};
+
+IMPLEMENT_META_INTERFACE(AudioManager, "android.media.IAudioService");
+
+// ----------------------------------------------------------------------------
+
+}; // namespace android