Add attributionTag to audio-recordings

... by switching from packageName/uid/pid to the Identity class.

This allows up to track which parts of the app trigger audio-recordings.

Test: atest CtsAppOpsTestCases
            CtsNativeMediaAAudioTestCases
Fixes: 160150145
Change-Id: I0913a336a862e4a1cb38b9d967cfbdc490513ab0
diff --git a/core/api/current.txt b/core/api/current.txt
index 922d811..ece6ede4 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -20565,6 +20565,7 @@
     method @NonNull public android.media.AudioRecord.Builder setAudioPlaybackCaptureConfig(@NonNull android.media.AudioPlaybackCaptureConfiguration);
     method public android.media.AudioRecord.Builder setAudioSource(int) throws java.lang.IllegalArgumentException;
     method public android.media.AudioRecord.Builder setBufferSizeInBytes(int) throws java.lang.IllegalArgumentException;
+    method @NonNull public android.media.AudioRecord.Builder setContext(@NonNull android.content.Context);
     method @NonNull public android.media.AudioRecord.Builder setPrivacySensitive(boolean);
   }
 
@@ -22739,7 +22740,8 @@
   }
 
   public class MediaRecorder implements android.media.AudioRecordingMonitor android.media.AudioRouting android.media.MicrophoneDirection {
-    ctor public MediaRecorder();
+    ctor @Deprecated public MediaRecorder();
+    ctor public MediaRecorder(@NonNull android.content.Context);
     method public void addOnRoutingChangedListener(android.media.AudioRouting.OnRoutingChangedListener, android.os.Handler);
     method protected void finalize();
     method public java.util.List<android.media.MicrophoneInfo> getActiveMicrophones() throws java.io.IOException;
diff --git a/core/jni/Android.bp b/core/jni/Android.bp
index d6d3387..3c1b6f9 100644
--- a/core/jni/Android.bp
+++ b/core/jni/Android.bp
@@ -1,4 +1,3 @@
-
 package {
     default_applicable_licenses: ["frameworks_base_core_jni_license"],
 }
@@ -218,6 +217,7 @@
                 "fd_utils.cpp",
                 "android_hardware_input_InputWindowHandle.cpp",
                 "android_hardware_input_InputApplicationHandle.cpp",
+                "permission_utils.cpp",
             ],
 
             static_libs: [
@@ -236,6 +236,7 @@
                 "audioflinger-aidl-cpp",
                 "av-types-aidl-cpp",
                 "android.hardware.camera.device@3.2",
+                "media_permission-aidl-cpp",
                 "libandroidicu",
                 "libbpf_android",
                 "libnetdbpf",
diff --git a/core/jni/AndroidRuntime.cpp b/core/jni/AndroidRuntime.cpp
index ddd8613..60d2db6 100644
--- a/core/jni/AndroidRuntime.cpp
+++ b/core/jni/AndroidRuntime.cpp
@@ -97,6 +97,7 @@
 extern int register_android_media_MicrophoneInfo(JNIEnv *env);
 extern int register_android_media_ToneGenerator(JNIEnv *env);
 extern int register_android_media_midi(JNIEnv *env);
+extern int register_android_media_permission_Identity(JNIEnv* env);
 
 namespace android {
 
@@ -1562,6 +1563,7 @@
         REG_JNI(register_android_media_RemoteDisplay),
         REG_JNI(register_android_media_ToneGenerator),
         REG_JNI(register_android_media_midi),
+        REG_JNI(register_android_media_permission_Identity),
 
         REG_JNI(register_android_opengl_classes),
         REG_JNI(register_android_server_NetworkManagementSocketTagger),
diff --git a/core/jni/android_media_AudioRecord.cpp b/core/jni/android_media_AudioRecord.cpp
index 0e0f98e..7d3febb 100644
--- a/core/jni/android_media_AudioRecord.cpp
+++ b/core/jni/android_media_AudioRecord.cpp
@@ -22,6 +22,7 @@
 #include <jni.h>
 #include <nativehelper/JNIHelp.h>
 #include "core_jni_helpers.h"
+#include "permission_utils.h"
 
 #include <utils/Log.h>
 #include <media/AudioRecord.h>
@@ -39,6 +40,9 @@
 
 // ----------------------------------------------------------------------------
 
+using android::media::permission::convertIdentity;
+using android::media::permission::Identity;
+
 using namespace android;
 
 // ----------------------------------------------------------------------------
@@ -181,12 +185,11 @@
 }
 
 // ----------------------------------------------------------------------------
-static jint
-android_media_AudioRecord_setup(JNIEnv *env, jobject thiz, jobject weak_this,
-        jobject jaa, jintArray jSampleRate, jint channelMask, jint channelIndexMask,
-        jint audioFormat, jint buffSizeInBytes, jintArray jSession, jstring opPackageName,
-        jlong nativeRecordInJavaObj)
-{
+static jint android_media_AudioRecord_setup(JNIEnv *env, jobject thiz, jobject weak_this,
+                                            jobject jaa, jintArray jSampleRate, jint channelMask,
+                                            jint channelIndexMask, jint audioFormat,
+                                            jint buffSizeInBytes, jintArray jSession,
+                                            jobject jIdentity, jlong nativeRecordInJavaObj) {
     //ALOGV(">> Entering android_media_AudioRecord_setup");
     //ALOGV("sampleRate=%d, audioFormat=%d, channel mask=%x, buffSizeInBytes=%d "
     //     "nativeRecordInJavaObj=0x%llX",
@@ -262,10 +265,8 @@
         size_t frameSize = channelCount * bytesPerSample;
         size_t frameCount = buffSizeInBytes / frameSize;
 
-        ScopedUtfChars opPackageNameStr(env, opPackageName);
-
         // create an uninitialized AudioRecord object
-        lpRecorder = new AudioRecord(String16(opPackageNameStr.c_str()));
+        lpRecorder = new AudioRecord(convertIdentity(env, jIdentity));
 
         // read the AudioAttributes values
         auto paa = JNIAudioAttributeHelper::makeUnique();
@@ -373,8 +374,6 @@
     return (jint) AUDIORECORD_ERROR_SETUP_NATIVEINITFAILED;
 }
 
-
-
 // ----------------------------------------------------------------------------
 static jint
 android_media_AudioRecord_start(JNIEnv *env, jobject thiz, jint event, jint triggerSession)
@@ -893,9 +892,11 @@
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 static const JNINativeMethod gMethods[] = {
+        // name,               signature,  funcPtr
         {"native_start", "(II)I", (void *)android_media_AudioRecord_start},
         {"native_stop", "()V", (void *)android_media_AudioRecord_stop},
-        {"native_setup", "(Ljava/lang/Object;Ljava/lang/Object;[IIIII[ILjava/lang/String;J)I",
+        {"native_setup",
+         "(Ljava/lang/Object;Ljava/lang/Object;[IIIII[ILandroid/media/permission/Identity;J)I",
          (void *)android_media_AudioRecord_setup},
         {"native_finalize", "()V", (void *)android_media_AudioRecord_finalize},
         {"native_release", "()V", (void *)android_media_AudioRecord_release},
diff --git a/core/jni/android_media_AudioTrack.cpp b/core/jni/android_media_AudioTrack.cpp
index cae6db5..62767a6 100644
--- a/core/jni/android_media_AudioTrack.cpp
+++ b/core/jni/android_media_AudioTrack.cpp
@@ -48,6 +48,7 @@
 using namespace android;
 
 using ::android::media::VolumeShaper;
+using ::android::media::permission::Identity;
 
 // ----------------------------------------------------------------------------
 static const char* const kClassPathName = "android/media/AudioTrack";
@@ -328,7 +329,10 @@
 
         // create the native AudioTrack object
         ScopedUtfChars opPackageNameStr(env, opPackageName);
-        lpTrack = new AudioTrack(opPackageNameStr.c_str());
+        // TODO b/182469354: make consistent with AudioRecord
+        Identity identity = Identity();
+        identity.packageName = std::string(opPackageNameStr.c_str());
+        lpTrack = new AudioTrack(identity);
 
         // read the AudioAttributes values
         auto paa = JNIAudioAttributeHelper::makeUnique();
@@ -390,8 +394,8 @@
                                   sessionId, // audio session ID
                                   offload ? AudioTrack::TRANSFER_SYNC_NOTIF_CALLBACK
                                           : AudioTrack::TRANSFER_SYNC,
-                                  (offload || encapsulationMode) ? &offloadInfo : NULL, -1,
-                                  -1, // default uid, pid values
+                                  (offload || encapsulationMode) ? &offloadInfo : NULL,
+                                  Identity(), // default uid, pid values
                                   paa.get());
             break;
 
@@ -416,8 +420,8 @@
                                   true,                   // thread can call Java
                                   sessionId,              // audio session ID
                                   AudioTrack::TRANSFER_SHARED,
-                                  NULL,   // default offloadInfo
-                                  -1, -1, // default uid, pid values
+                                  NULL,       // default offloadInfo
+                                  Identity(), // default uid, pid values
                                   paa.get());
             break;
 
diff --git a/core/jni/permission_utils.cpp b/core/jni/permission_utils.cpp
new file mode 100644
index 0000000..2b7ef99
--- /dev/null
+++ b/core/jni/permission_utils.cpp
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2021 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 "permission_utils.h"
+#include "core_jni_helpers.h"
+
+static struct {
+    jfieldID fieldUid;            // Identity.uid
+    jfieldID fieldPid;            // Identity.pid
+    jfieldID fieldPackageName;    // Identity.packageName
+    jfieldID fieldAttributionTag; // Identity.attributionTag
+} javaIdentityFields;
+
+static const JNINativeMethod method_table[] = {
+        // no static methods, currently
+};
+
+int register_android_media_permission_Identity(JNIEnv* env) {
+    jclass identityClass = android::FindClassOrDie(env, "android/media/permission/Identity");
+    javaIdentityFields.fieldUid = android::GetFieldIDOrDie(env, identityClass, "uid", "I");
+    javaIdentityFields.fieldPid = android::GetFieldIDOrDie(env, identityClass, "pid", "I");
+    javaIdentityFields.fieldPackageName =
+            android::GetFieldIDOrDie(env, identityClass, "packageName", "Ljava/lang/String;");
+    javaIdentityFields.fieldAttributionTag =
+            android::GetFieldIDOrDie(env, identityClass, "attributionTag", "Ljava/lang/String;");
+
+    return android::RegisterMethodsOrDie(env, "android/media/permission/Identity", method_table,
+                                         NELEM(method_table));
+}
+
+namespace android::media::permission {
+
+Identity convertIdentity(JNIEnv* env, const jobject& jIdentity) {
+    Identity identity;
+
+    identity.uid = env->GetIntField(jIdentity, javaIdentityFields.fieldUid);
+    identity.pid = env->GetIntField(jIdentity, javaIdentityFields.fieldPid);
+
+    jstring packageNameStr = static_cast<jstring>(
+            env->GetObjectField(jIdentity, javaIdentityFields.fieldPackageName));
+    if (packageNameStr == nullptr) {
+        identity.packageName = std::nullopt;
+    } else {
+        identity.packageName = std::string(ScopedUtfChars(env, packageNameStr).c_str());
+    }
+
+    jstring attributionTagStr = static_cast<jstring>(
+            env->GetObjectField(jIdentity, javaIdentityFields.fieldAttributionTag));
+    if (attributionTagStr == nullptr) {
+        identity.attributionTag = std::nullopt;
+    } else {
+        identity.attributionTag = std::string(ScopedUtfChars(env, attributionTagStr).c_str());
+    }
+
+    return identity;
+}
+
+} // namespace android::media::permission
diff --git a/core/jni/permission_utils.h b/core/jni/permission_utils.h
new file mode 100644
index 0000000..d625bb6
--- /dev/null
+++ b/core/jni/permission_utils.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2021 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 <android/media/permission/Identity.h>
+#include <jni.h>
+
+namespace android::media::permission {
+
+Identity convertIdentity(JNIEnv* env, const jobject& jIdentity);
+}
+
+int register_android_media_permission_Identity(JNIEnv* env);
diff --git a/media/Android.bp b/media/Android.bp
index 9268b22..a66236e 100644
--- a/media/Android.bp
+++ b/media/Android.bp
@@ -27,6 +27,9 @@
 aidl_interface {
     name: "media_permission-aidl",
     unstable: true,
+    host_supported: true,
+    vendor_available: true,
+    double_loadable: true,
     local_include_dir: "aidl",
     srcs: [
         "aidl/android/media/permission/Identity.aidl",
diff --git a/media/aidl/android/media/permission/Identity.aidl b/media/aidl/android/media/permission/Identity.aidl
index 361497d..3638904 100644
--- a/media/aidl/android/media/permission/Identity.aidl
+++ b/media/aidl/android/media/permission/Identity.aidl
@@ -22,11 +22,11 @@
  */
 parcelable Identity {
     /** Linux user ID. */
-    int uid;
+    int uid = -1;
     /** Linux process ID. */
-    int pid;
+    int pid = -1;
     /** Package name. If null, the first package owned by the given uid will be assumed. */
-    @nullable String packageName;
+    @nullable @utf8InCpp String packageName;
     /** Attribution tag. Mostly used for diagnostic purposes. */
-    @nullable String attributionTag;
+    @nullable @utf8InCpp String attributionTag;
 }
diff --git a/media/java/android/media/AudioRecord.java b/media/java/android/media/AudioRecord.java
index bf04b66..d7112d6 100644
--- a/media/java/android/media/AudioRecord.java
+++ b/media/java/android/media/AudioRecord.java
@@ -16,6 +16,8 @@
 
 package android.media;
 
+import static android.media.permission.PermissionUtil.myIdentity;
+
 import android.annotation.CallbackExecutor;
 import android.annotation.FloatRange;
 import android.annotation.IntDef;
@@ -26,9 +28,11 @@
 import android.annotation.TestApi;
 import android.app.ActivityThread;
 import android.compat.annotation.UnsupportedAppUsage;
+import android.content.Context;
 import android.media.MediaRecorder.Source;
 import android.media.audiopolicy.AudioMix;
 import android.media.audiopolicy.AudioPolicy;
+import android.media.permission.Identity;
 import android.media.projection.MediaProjection;
 import android.os.Binder;
 import android.os.Build;
@@ -54,6 +58,7 @@
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
+import java.util.Objects;
 import java.util.concurrent.Executor;
 
 /**
@@ -352,6 +357,32 @@
     @RequiresPermission(android.Manifest.permission.RECORD_AUDIO)
     public AudioRecord(AudioAttributes attributes, AudioFormat format, int bufferSizeInBytes,
             int sessionId) throws IllegalArgumentException {
+        this(attributes, format, bufferSizeInBytes, sessionId, ActivityThread.currentApplication());
+    }
+
+    /**
+     * @hide
+     * Class constructor with {@link AudioAttributes} and {@link AudioFormat}.
+     * @param attributes a non-null {@link AudioAttributes} instance. Use
+     *     {@link AudioAttributes.Builder#setCapturePreset(int)} for configuring the audio
+     *     source for this instance.
+     * @param format a non-null {@link AudioFormat} instance describing the format of the data
+     *     that will be recorded through this AudioRecord. See {@link AudioFormat.Builder} for
+     *     configuring the audio format parameters such as encoding, channel mask and sample rate.
+     * @param bufferSizeInBytes the total size (in bytes) of the buffer where audio data is written
+     *   to during the recording. New audio data can be read from this buffer in smaller chunks
+     *   than this size. See {@link #getMinBufferSize(int, int, int)} to determine the minimum
+     *   required buffer size for the successful creation of an AudioRecord instance. Using values
+     *   smaller than getMinBufferSize() will result in an initialization failure.
+     * @param sessionId ID of audio session the AudioRecord must be attached to, or
+     *   {@link AudioManager#AUDIO_SESSION_ID_GENERATE} if the session isn't known at construction
+     *   time. See also {@link AudioManager#generateAudioSessionId()} to obtain a session ID before
+     *   construction.
+     * @param context An optional context to pull an attribution tag from.
+     * @throws IllegalArgumentException
+     */
+    private AudioRecord(AudioAttributes attributes, AudioFormat format, int bufferSizeInBytes,
+            int sessionId, @Nullable Context context) throws IllegalArgumentException {
         mRecordingState = RECORDSTATE_STOPPED;
 
         if (attributes == null) {
@@ -414,15 +445,21 @@
 
         audioBuffSizeCheck(bufferSizeInBytes);
 
+        Identity identity = myIdentity(context);
+        if (identity.packageName == null) {
+            // Command line utility
+            identity.packageName = "uid:" + Binder.getCallingUid();
+        }
+
         int[] sampleRate = new int[] {mSampleRate};
         int[] session = new int[1];
         session[0] = sessionId;
         //TODO: update native initialization when information about hardware init failure
         //      due to capture device already open is available.
-        int initResult = native_setup( new WeakReference<AudioRecord>(this),
+        int initResult = native_setup(new WeakReference<AudioRecord>(this),
                 mAudioAttributes, sampleRate, mChannelMask, mChannelIndexMask,
                 mAudioFormat, mNativeBufferSizeInBytes,
-                session, getCurrentOpPackageName(), 0 /*nativeRecordInJavaObj*/);
+                session, identity, 0 /*nativeRecordInJavaObj*/);
         if (initResult != SUCCESS) {
             loge("Error code "+initResult+" when initializing native AudioRecord object.");
             return; // with mState == STATE_UNINITIALIZED
@@ -434,15 +471,6 @@
         mState = STATE_INITIALIZED;
     }
 
-    private String getCurrentOpPackageName() {
-        String opPackageName = ActivityThread.currentOpPackageName();
-        if (opPackageName != null) {
-            return opPackageName;
-        }
-        // Command line utility
-        return "uid:" + Binder.getCallingUid();
-    }
-
     /**
      * A constructor which explicitly connects a Native (C++) AudioRecord. For use by
      * the AudioRecordRoutingProxy subclass.
@@ -492,7 +520,7 @@
                     0 /*mAudioFormat*/,
                     0 /*mNativeBufferSizeInBytes*/,
                     session,
-                    ActivityThread.currentOpPackageName(),
+                    myIdentity(null),
                     nativeRecordInJavaObj);
             if (initResult != SUCCESS) {
                 loge("Error code "+initResult+" when initializing native AudioRecord object.");
@@ -548,6 +576,7 @@
         private AudioPlaybackCaptureConfiguration mAudioPlaybackCaptureConfiguration;
         private AudioAttributes mAttributes;
         private AudioFormat mFormat;
+        private Context mContext;
         private int mBufferSizeInBytes;
         private int mSessionId = AudioManager.AUDIO_SESSION_ID_GENERATE;
         private int mPrivacySensitive = PRIVACY_SENSITIVE_DEFAULT;
@@ -583,6 +612,18 @@
         }
 
         /**
+         * Sets the context the record belongs to.
+         * @param context a non-null {@link Context} instance
+         * @return the same Builder instance.
+         */
+        public @NonNull Builder setContext(@NonNull Context context) {
+            Objects.requireNonNull(context);
+            // keep reference, we only copy the data when building
+            mContext = context;
+            return this;
+        }
+
+        /**
          * @hide
          * To be only used by system components. Allows specifying non-public capture presets
          * @param attributes a non-null {@link AudioAttributes} instance that contains the capture
@@ -793,7 +834,7 @@
                             * mFormat.getBytesPerSample(mFormat.getEncoding());
                 }
                 final AudioRecord record = new AudioRecord(
-                        mAttributes, mFormat, mBufferSizeInBytes, mSessionId);
+                        mAttributes, mFormat, mBufferSizeInBytes, mSessionId, mContext);
                 if (record.getState() == STATE_UNINITIALIZED) {
                     // release is not necessary
                     throw new UnsupportedOperationException("Cannot create AudioRecord");
@@ -2035,15 +2076,32 @@
     // Native methods called from the Java side
     //--------------------
 
-    @UnsupportedAppUsage
-    private native final int native_setup(Object audiorecord_this,
+    /**
+     * @deprecated Use native_setup that takes an Identity object
+     * @return
+     */
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R,
+            publicAlternatives = "{@code AudioRecord.Builder}")
+    @Deprecated
+    private int native_setup(Object audiorecordThis,
             Object /*AudioAttributes*/ attributes,
             int[] sampleRate, int channelMask, int channelIndexMask, int audioFormat,
             int buffSizeInBytes, int[] sessionId, String opPackageName,
-            long nativeRecordInJavaObj);
+            long nativeRecordInJavaObj) {
+        Identity identity = myIdentity(null);
+        identity.packageName = opPackageName;
+
+        return native_setup(audiorecordThis, attributes, sampleRate, channelMask, channelIndexMask,
+                audioFormat, buffSizeInBytes, sessionId, identity, nativeRecordInJavaObj);
+    }
+
+    private native int native_setup(Object audiorecordThis,
+            Object /*AudioAttributes*/ attributes,
+            int[] sampleRate, int channelMask, int channelIndexMask, int audioFormat,
+            int buffSizeInBytes, int[] sessionId, Identity identity, long nativeRecordInJavaObj);
 
     // TODO remove: implementation calls directly into implementation of native_release()
-    private native final void native_finalize();
+    private native void native_finalize();
 
     /**
      * @hide
diff --git a/media/java/android/media/MediaPlayer.java b/media/java/android/media/MediaPlayer.java
index 9176dae..3de78bb 100644
--- a/media/java/android/media/MediaPlayer.java
+++ b/media/java/android/media/MediaPlayer.java
@@ -18,6 +18,7 @@
 
 import static android.Manifest.permission.BIND_IMS_SERVICE;
 import static android.content.pm.PackageManager.PERMISSION_GRANTED;
+import static android.media.permission.PermissionUtil.myIdentity;
 
 import android.annotation.CallbackExecutor;
 import android.annotation.IntDef;
@@ -34,6 +35,7 @@
 import android.graphics.SurfaceTexture;
 import android.media.SubtitleController.Anchor;
 import android.media.SubtitleTrack.RenderingWidget;
+import android.media.permission.Identity;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
@@ -53,6 +55,7 @@
 import android.system.ErrnoException;
 import android.system.Os;
 import android.system.OsConstants;
+import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.Log;
 import android.util.Pair;
@@ -684,11 +687,14 @@
         mTimeProvider = new TimeProvider(this);
         mOpenSubtitleSources = new Vector<InputStream>();
 
+        Identity identity = myIdentity(null);
+        // set the package name to empty if it was null
+        identity.packageName = TextUtils.emptyIfNull(identity.packageName);
+
         /* Native setup requires a weak reference to our object.
          * It's easier to create it here than in C++.
          */
-        native_setup(new WeakReference<MediaPlayer>(this),
-                getCurrentOpPackageName());
+        native_setup(new WeakReference<MediaPlayer>(this), identity);
 
         baseRegisterPlayer(sessionId);
     }
@@ -2471,7 +2477,7 @@
     private native final int native_setMetadataFilter(Parcel request);
 
     private static native final void native_init();
-    private native void native_setup(Object mediaplayerThis, @NonNull String opPackageName);
+    private native void native_setup(Object mediaplayerThis, @NonNull Identity identity);
     private native final void native_finalize();
 
     /**
diff --git a/media/java/android/media/MediaRecorder.java b/media/java/android/media/MediaRecorder.java
index 49a4cc6..87e1e5b 100644
--- a/media/java/android/media/MediaRecorder.java
+++ b/media/java/android/media/MediaRecorder.java
@@ -16,6 +16,8 @@
 
 package android.media;
 
+import static android.media.permission.PermissionUtil.myIdentity;
+
 import android.annotation.CallbackExecutor;
 import android.annotation.FloatRange;
 import android.annotation.IntDef;
@@ -25,7 +27,9 @@
 import android.annotation.SystemApi;
 import android.app.ActivityThread;
 import android.compat.annotation.UnsupportedAppUsage;
+import android.content.Context;
 import android.hardware.Camera;
+import android.media.permission.Identity;
 import android.os.Build;
 import android.os.Handler;
 import android.os.Looper;
@@ -48,6 +52,7 @@
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Objects;
 import java.util.concurrent.Executor;
 
 /**
@@ -127,9 +132,21 @@
 
     /**
      * Default constructor.
+     *
+     * @deprecated Use {@link #MediaRecorder(Context)} instead
      */
+    @Deprecated
     public MediaRecorder() {
+        this(ActivityThread.currentApplication());
+    }
 
+    /**
+     * Default constructor.
+     *
+     * @param context Context the recorder belongs to
+     */
+    public MediaRecorder(@NonNull Context context) {
+        Objects.requireNonNull(context);
         Looper looper;
         if ((looper = Looper.myLooper()) != null) {
             mEventHandler = new EventHandler(this, looper);
@@ -140,12 +157,11 @@
         }
 
         mChannelCount = 1;
-        String packageName = ActivityThread.currentPackageName();
         /* Native setup requires a weak reference to our object.
          * It's easier to create it here than in C++.
          */
-        native_setup(new WeakReference<MediaRecorder>(this), packageName,
-                ActivityThread.currentOpPackageName());
+        native_setup(new WeakReference<MediaRecorder>(this),
+                ActivityThread.currentPackageName(), myIdentity(context));
     }
 
     /**
@@ -1740,12 +1756,22 @@
     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 115609023)
     private static native final void native_init();
 
-    @UnsupportedAppUsage
-    private native final void native_setup(Object mediarecorder_this,
-            String clientName, String opPackageName) throws IllegalStateException;
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R,
+            publicAlternatives = "{@link MediaRecorder}")
+    private void native_setup(Object mediarecorderThis,
+            String clientName, String opPackageName) throws IllegalStateException {
+        Identity identity = myIdentity(null);
+        identity.packageName = opPackageName;
+
+        native_setup(mediarecorderThis, clientName, identity);
+    }
+
+    private native void native_setup(Object mediarecorderThis,
+            String clientName, Identity identity)
+            throws IllegalStateException;
 
     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 115609023)
-    private native final void native_finalize();
+    private native void native_finalize();
 
     @UnsupportedAppUsage
     private native void setParameter(String nameValuePair);
diff --git a/media/java/android/media/audiofx/AudioEffect.java b/media/java/android/media/audiofx/AudioEffect.java
index 67a4a4b..fd3c405 100644
--- a/media/java/android/media/audiofx/AudioEffect.java
+++ b/media/java/android/media/audiofx/AudioEffect.java
@@ -16,6 +16,8 @@
 
 package android.media.audiofx;
 
+import static android.media.permission.PermissionUtil.myIdentity;
+
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.RequiresPermission;
@@ -23,11 +25,11 @@
 import android.annotation.SdkConstant.SdkConstantType;
 import android.annotation.SystemApi;
 import android.annotation.TestApi;
-import android.app.ActivityThread;
 import android.compat.annotation.UnsupportedAppUsage;
 import android.media.AudioDeviceAttributes;
 import android.media.AudioDeviceInfo;
 import android.media.AudioSystem;
+import android.media.permission.Identity;
 import android.os.Build;
 import android.os.Handler;
 import android.os.Looper;
@@ -515,10 +517,11 @@
         }
 
         // native initialization
+        // TODO b/182469354: Make consistent with AudioRecord
         int initResult = native_setup(new WeakReference<AudioEffect>(this),
                 type.toString(), uuid.toString(), priority, audioSession,
                 deviceType, deviceAddress,
-                id, desc, ActivityThread.currentOpPackageName(), probe);
+                id, desc, myIdentity(null), probe);
         if (initResult != SUCCESS && initResult != ALREADY_EXISTS) {
             Log.e(TAG, "Error code " + initResult
                     + " when initializing AudioEffect.");
@@ -1385,7 +1388,7 @@
     private native final int native_setup(Object audioeffect_this, String type,
             String uuid, int priority, int audioSession,
             int deviceType, String deviceAddress, int[] id, Object[] desc,
-            String opPackageName, boolean probe);
+            Identity identity, boolean probe);
 
     private native final void native_finalize();
 
diff --git a/media/java/android/media/audiofx/Visualizer.java b/media/java/android/media/audiofx/Visualizer.java
index a5da648..58c9e65 100644
--- a/media/java/android/media/audiofx/Visualizer.java
+++ b/media/java/android/media/audiofx/Visualizer.java
@@ -16,8 +16,10 @@
 
 package android.media.audiofx;
 
-import android.app.ActivityThread;
+import static android.media.permission.PermissionUtil.myIdentity;
+
 import android.compat.annotation.UnsupportedAppUsage;
+import android.media.permission.Identity;
 import android.os.Handler;
 import android.os.Looper;
 import android.util.Log;
@@ -217,9 +219,11 @@
 
         synchronized (mStateLock) {
             mState = STATE_UNINITIALIZED;
+
             // native initialization
+            // TODO b/182469354: make consistent with AudioRecord
             int result = native_setup(new WeakReference<Visualizer>(this), audioSession, id,
-                    ActivityThread.currentOpPackageName());
+                    myIdentity(null));
             if (result != SUCCESS && result != ALREADY_EXISTS) {
                 Log.e(TAG, "Error code "+result+" when initializing Visualizer.");
                 switch (result) {
@@ -686,7 +690,7 @@
     private native final int native_setup(Object audioeffect_this,
                                           int audioSession,
                                           int[] id,
-                                          String opPackageName);
+                                          Identity identity);
 
     @GuardedBy("mStateLock")
     private native final void native_finalize();
diff --git a/media/java/android/media/permission/PermissionUtil.java b/media/java/android/media/permission/PermissionUtil.java
index 315ee4f..92fe882 100644
--- a/media/java/android/media/permission/PermissionUtil.java
+++ b/media/java/android/media/permission/PermissionUtil.java
@@ -17,9 +17,12 @@
 package android.media.permission;
 
 import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.app.ActivityThread;
 import android.content.Context;
 import android.content.PermissionChecker;
 import android.os.Binder;
+import android.os.Process;
 
 import java.util.Objects;
 
@@ -49,6 +52,25 @@
  */
 public class PermissionUtil {
     /**
+     * Create an identity for the current process and the passed context.
+     *
+     * @param context The process the identity is for. If {@code null}, the process's default
+     *                identity is chosen.
+     * @return The identity for the current process and context
+     */
+    public static @NonNull Identity myIdentity(@Nullable Context context) {
+        Identity identity = new Identity();
+
+        identity.pid = Process.myPid();
+        identity.uid = Process.myUid();
+        identity.packageName = context != null ? context.getOpPackageName()
+                : ActivityThread.currentOpPackageName();
+        identity.attributionTag = context != null ? context.getAttributionTag() : null;
+
+        return identity;
+    }
+
+    /**
      * Authenticate an originator, where the binder call is coming from a middleman.
      *
      * The middleman is expected to hold a special permission to act as such, or else a
diff --git a/media/jni/Android.bp b/media/jni/Android.bp
index ce45504..f09dcde 100644
--- a/media/jni/Android.bp
+++ b/media/jni/Android.bp
@@ -84,6 +84,7 @@
         "android.hardware.drm@1.4",
         "android.hidl.memory@1.0",
         "android.hidl.token@1.0-utils",
+        "media_permission-aidl-cpp",
     ],
 
     header_libs: [
@@ -182,7 +183,7 @@
         "libnativehelper",
         "libutils",
         "tv_tuner_aidl_interface-ndk_platform",
-        "tv_tuner_resource_manager_aidl_interface-ndk_platform"
+        "tv_tuner_resource_manager_aidl_interface-ndk_platform",
     ],
 
     static_libs: [
@@ -212,4 +213,3 @@
         "-Wunreachable-code",
     ],
 }
-
diff --git a/media/jni/android_media_MediaPlayer.cpp b/media/jni/android_media_MediaPlayer.cpp
index 98ac5b9..a360759 100644
--- a/media/jni/android_media_MediaPlayer.cpp
+++ b/media/jni/android_media_MediaPlayer.cpp
@@ -17,6 +17,7 @@
 
 //#define LOG_NDEBUG 0
 #define LOG_TAG "MediaPlayer-JNI"
+#include "permission_utils.h"
 #include "utils/Log.h"
 
 #include <media/mediaplayer.h>
@@ -79,6 +80,8 @@
 using namespace android;
 
 using media::VolumeShaper;
+using media::permission::Identity;
+using media::permission::convertIdentity;
 
 // ----------------------------------------------------------------------------
 
@@ -946,11 +949,11 @@
 
 static void
 android_media_MediaPlayer_native_setup(JNIEnv *env, jobject thiz, jobject weak_this,
-                                       jstring opPackageName)
+                                       jobject jIdentity)
 {
     ALOGV("native_setup");
-    ScopedUtfChars opPackageNameStr(env, opPackageName);
-    sp<MediaPlayer> mp = new MediaPlayer(opPackageNameStr.c_str());
+
+    sp<MediaPlayer> mp = new MediaPlayer(convertIdentity(env, jIdentity));
     if (mp == NULL) {
         jniThrowException(env, "java/lang/RuntimeException", "Out of memory");
         return;
@@ -1406,7 +1409,7 @@
     {"native_setMetadataFilter", "(Landroid/os/Parcel;)I",      (void *)android_media_MediaPlayer_setMetadataFilter},
     {"native_getMetadata", "(ZZLandroid/os/Parcel;)Z",          (void *)android_media_MediaPlayer_getMetadata},
     {"native_init",         "()V",                              (void *)android_media_MediaPlayer_native_init},
-    {"native_setup",        "(Ljava/lang/Object;Ljava/lang/String;)V",(void *)android_media_MediaPlayer_native_setup},
+    {"native_setup",        "(Ljava/lang/Object;Landroid/media/permission/Identity;)V",(void *)android_media_MediaPlayer_native_setup},
     {"native_finalize",     "()V",                              (void *)android_media_MediaPlayer_native_finalize},
     {"getAudioSessionId",   "()I",                              (void *)android_media_MediaPlayer_get_audio_session_id},
     {"native_setAudioSessionId",   "(I)V",                      (void *)android_media_MediaPlayer_set_audio_session_id},
diff --git a/media/jni/android_media_MediaRecorder.cpp b/media/jni/android_media_MediaRecorder.cpp
index f99dc01..6641123 100644
--- a/media/jni/android_media_MediaRecorder.cpp
+++ b/media/jni/android_media_MediaRecorder.cpp
@@ -24,6 +24,7 @@
 
 //#define LOG_NDEBUG 0
 #define LOG_TAG "MediaRecorderJNI"
+#include "permission_utils.h"
 #include <utils/Log.h>
 
 #include <gui/Surface.h>
@@ -50,6 +51,8 @@
 
 using namespace android;
 
+using android::media::permission::convertIdentity;
+
 // ----------------------------------------------------------------------------
 
 // helper function to extract a native Camera object from a Camera Java object
@@ -617,13 +620,12 @@
 
 static void
 android_media_MediaRecorder_native_setup(JNIEnv *env, jobject thiz, jobject weak_this,
-                                         jstring packageName, jstring opPackageName)
+                                         jstring packageName, jobject jIdentity)
 {
     ALOGV("setup");
 
-    ScopedUtfChars opPackageNameStr(env, opPackageName);
+    sp<MediaRecorder> mr = new MediaRecorder(convertIdentity(env, jIdentity));
 
-    sp<MediaRecorder> mr = new MediaRecorder(String16(opPackageNameStr.c_str()));
     if (mr == NULL) {
         jniThrowException(env, "java/lang/RuntimeException", "Out of memory");
         return;
@@ -869,7 +871,7 @@
     {"native_reset",         "()V",                             (void *)android_media_MediaRecorder_native_reset},
     {"release",              "()V",                             (void *)android_media_MediaRecorder_release},
     {"native_init",          "()V",                             (void *)android_media_MediaRecorder_native_init},
-    {"native_setup",         "(Ljava/lang/Object;Ljava/lang/String;Ljava/lang/String;)V",
+    {"native_setup",         "(Ljava/lang/Object;Ljava/lang/String;Landroid/media/permission/Identity;)V",
                                                                 (void *)android_media_MediaRecorder_native_setup},
     {"native_finalize",      "()V",                             (void *)android_media_MediaRecorder_native_finalize},
     {"native_setInputSurface", "(Landroid/view/Surface;)V", (void *)android_media_MediaRecorder_setInputSurface },
diff --git a/media/jni/audioeffect/Android.bp b/media/jni/audioeffect/Android.bp
index c2fc91d..bfed983 100644
--- a/media/jni/audioeffect/Android.bp
+++ b/media/jni/audioeffect/Android.bp
@@ -27,6 +27,11 @@
         "libaudioclient",
         "libaudioutils",
         "libaudiofoundation",
+        "media_permission-aidl-cpp",
+    ],
+
+    export_shared_lib_headers: [
+        "media_permission-aidl-cpp",
     ],
 
     version_script: "exports.lds",
diff --git a/media/jni/audioeffect/Visualizer.cpp b/media/jni/audioeffect/Visualizer.cpp
index a74ae53..8a52456 100644
--- a/media/jni/audioeffect/Visualizer.cpp
+++ b/media/jni/audioeffect/Visualizer.cpp
@@ -34,8 +34,8 @@
 
 // ---------------------------------------------------------------------------
 
-Visualizer::Visualizer (const String16& opPackageName)
-        :   AudioEffect(opPackageName)
+Visualizer::Visualizer (const Identity& identity)
+        :   AudioEffect(identity)
 {
 }
 
diff --git a/media/jni/audioeffect/Visualizer.h b/media/jni/audioeffect/Visualizer.h
index 8b6a62f..3ee91f0 100644
--- a/media/jni/audioeffect/Visualizer.h
+++ b/media/jni/audioeffect/Visualizer.h
@@ -20,6 +20,9 @@
 #include <media/AudioEffect.h>
 #include <system/audio_effects/effect_visualizer.h>
 #include <utils/Thread.h>
+#include "android/media/permission/Identity.h"
+
+using namespace android::media::permission;
 
 /**
  * The Visualizer class enables application to retrieve part of the currently playing audio for
@@ -65,7 +68,7 @@
     /* Constructor.
      * See AudioEffect constructor for details on parameters.
      */
-                        explicit Visualizer(const String16& opPackageName);
+                        explicit Visualizer(const Identity& identity);
 
                         ~Visualizer();
 
diff --git a/media/jni/audioeffect/android_media_AudioEffect.cpp b/media/jni/audioeffect/android_media_AudioEffect.cpp
index 0d53ab1..953b7e0 100644
--- a/media/jni/audioeffect/android_media_AudioEffect.cpp
+++ b/media/jni/audioeffect/android_media_AudioEffect.cpp
@@ -25,6 +25,7 @@
 #include <nativehelper/JNIHelp.h>
 #include <android_runtime/AndroidRuntime.h>
 #include "media/AudioEffect.h"
+#include "permission_utils.h"
 
 #include <nativehelper/ScopedUtfChars.h>
 
@@ -34,6 +35,8 @@
 
 using namespace android;
 
+using media::permission::convertIdentity;
+
 #define AUDIOEFFECT_SUCCESS                      0
 #define AUDIOEFFECT_ERROR                       (-1)
 #define AUDIOEFFECT_ERROR_ALREADY_EXISTS        (-2)
@@ -270,7 +273,7 @@
 android_media_AudioEffect_native_setup(JNIEnv *env, jobject thiz, jobject weak_this,
         jstring type, jstring uuid, jint priority, jint sessionId,
         jint deviceType, jstring deviceAddress,
-        jintArray jId, jobjectArray javadesc, jstring opPackageName, jboolean probe)
+        jintArray jId, jobjectArray javadesc, jobject jIdentity, jboolean probe)
 {
     ALOGV("android_media_AudioEffect_native_setup");
     AudioEffectJniStorage* lpJniStorage = NULL;
@@ -283,8 +286,6 @@
     jobject jdesc;
     AudioDeviceTypeAddr device;
 
-    ScopedUtfChars opPackageNameStr(env, opPackageName);
-
     setAudioEffect(env, thiz, 0);
 
     if (type != NULL) {
@@ -337,7 +338,7 @@
     }
 
     // create the native AudioEffect object
-    lpAudioEffect = new AudioEffect(String16(opPackageNameStr.c_str()));
+    lpAudioEffect = new AudioEffect(convertIdentity(env, jIdentity));
     if (lpAudioEffect == 0) {
         ALOGE("Error creating AudioEffect");
         goto setup_failure;
@@ -773,7 +774,7 @@
 // Dalvik VM type signatures
 static const JNINativeMethod gMethods[] = {
     {"native_init",          "()V",      (void *)android_media_AudioEffect_native_init},
-    {"native_setup",         "(Ljava/lang/Object;Ljava/lang/String;Ljava/lang/String;IIILjava/lang/String;[I[Ljava/lang/Object;Ljava/lang/String;Z)I",
+    {"native_setup",         "(Ljava/lang/Object;Ljava/lang/String;Ljava/lang/String;IIILjava/lang/String;[I[Ljava/lang/Object;Landroid/media/permission/Identity;Z)I",
                                          (void *)android_media_AudioEffect_native_setup},
     {"native_finalize",      "()V",      (void *)android_media_AudioEffect_native_finalize},
     {"native_release",       "()V",      (void *)android_media_AudioEffect_native_release},
diff --git a/media/jni/audioeffect/android_media_Visualizer.cpp b/media/jni/audioeffect/android_media_Visualizer.cpp
index 4c5970a..439715c 100644
--- a/media/jni/audioeffect/android_media_Visualizer.cpp
+++ b/media/jni/audioeffect/android_media_Visualizer.cpp
@@ -25,6 +25,7 @@
 #include <android_runtime/AndroidRuntime.h>
 #include <utils/threads.h>
 #include "Visualizer.h"
+#include "permission_utils.h"
 
 #include <nativehelper/ScopedUtfChars.h>
 
@@ -347,7 +348,7 @@
 
 static jint
 android_media_visualizer_native_setup(JNIEnv *env, jobject thiz, jobject weak_this,
-        jint sessionId, jintArray jId, jstring opPackageName)
+        jint sessionId, jintArray jId, jobject jIdentity)
 {
     ALOGV("android_media_visualizer_native_setup");
     VisualizerJniStorage* lpJniStorage = NULL;
@@ -355,8 +356,6 @@
     sp<Visualizer> lpVisualizer;
     jint* nId = NULL;
 
-    ScopedUtfChars opPackageNameStr(env, opPackageName);
-
     setVisualizer(env, thiz, 0);
 
     lpJniStorage = new VisualizerJniStorage();
@@ -382,7 +381,7 @@
     }
 
     // create the native Visualizer object
-    lpVisualizer = new Visualizer(String16(opPackageNameStr.c_str()));
+    lpVisualizer = new Visualizer(convertIdentity(env, jIdentity));
     if (lpVisualizer == 0) {
         ALOGE("Error creating Visualizer");
         goto setup_failure;
@@ -679,7 +678,7 @@
 // Dalvik VM type signatures
 static const JNINativeMethod gMethods[] = {
     {"native_init",            "()V",     (void *)android_media_visualizer_native_init},
-    {"native_setup",           "(Ljava/lang/Object;I[ILjava/lang/String;)I",
+    {"native_setup",           "(Ljava/lang/Object;I[ILandroid/media/permission/Identity;)I",
                                           (void *)android_media_visualizer_native_setup},
     {"native_finalize",          "()V",   (void *)android_media_visualizer_native_finalize},
     {"native_release",           "()V",   (void *)android_media_visualizer_native_release},
diff --git a/media/jni/soundpool/Android.bp b/media/jni/soundpool/Android.bp
index b3406cd..4227cd8 100644
--- a/media/jni/soundpool/Android.bp
+++ b/media/jni/soundpool/Android.bp
@@ -63,7 +63,7 @@
 
     // Remove some pedantic stylistic requirements.
     "-google-readability-casting", // C++ casts not always necessary and may be verbose
-    "-google-readability-todo",    // do not require TODO(info)
+    "-google-readability-todo", // do not require TODO(info)
     "-google-build-using-namespace", // Reenable and fix later.
 
     "-google-explicit-constructor", // found in StreamManager.h
@@ -100,7 +100,7 @@
     tidy_checks: tidy_errors,
     tidy_checks_as_errors: tidy_errors,
     tidy_flags: [
-      "-format-style=file",
+        "-format-style=file",
     ],
 }
 
@@ -135,6 +135,7 @@
         "libaudioclient",
         "libmediandk",
         "libbinder",
+        "media_permission-aidl-cpp",
     ],
 
     cflags: [
diff --git a/media/jni/soundpool/Stream.cpp b/media/jni/soundpool/Stream.cpp
index 73e319a..abb0f12 100644
--- a/media/jni/soundpool/Stream.cpp
+++ b/media/jni/soundpool/Stream.cpp
@@ -17,6 +17,7 @@
 //#define LOG_NDEBUG 0
 #define LOG_TAG "SoundPool::Stream"
 #include <utils/Log.h>
+#include<android/media/permission/Identity.h>
 
 #include "Stream.h"
 
@@ -24,6 +25,8 @@
 
 namespace android::soundpool {
 
+using media::permission::Identity;
+
 Stream::~Stream()
 {
     ALOGV("%s(%p)", __func__, this);
@@ -326,15 +329,17 @@
 
             // do not create a new audio track if current track is compatible with sound parameters
 
+            Identity identity = Identity();
+            identity.packageName = mStreamManager->getOpPackageName();
+            // TODO b/182469354 make consistent with AudioRecord, add util for native source
             newTrack = new AudioTrack(streamType, sampleRate, sound->getFormat(),
                     channelMask, sound->getIMemory(), AUDIO_OUTPUT_FLAG_FAST,
                     staticCallback, userData,
                     0 /*default notification frames*/, AUDIO_SESSION_ALLOCATE,
                     AudioTrack::TRANSFER_DEFAULT,
-                    nullptr /*offloadInfo*/, -1 /*uid*/, -1 /*pid*/,
+                    nullptr /*offloadInfo*/, identity,
                     mStreamManager->getAttributes(),
-                    false /*doNotReconnect*/, 1.0f /*maxRequiredSpeed*/,
-                    mStreamManager->getOpPackageName());
+                    false /*doNotReconnect*/, 1.0f /*maxRequiredSpeed*/);
             // Set caller name so it can be logged in destructor.
             // MediaMetricsConstants.h: AMEDIAMETRICS_PROP_CALLERNAME_VALUE_SOUNDPOOL
             newTrack->setCallerName("soundpool");