}
static void
-android_media_AudioSystem_recording_callback(int event, audio_session_t session, int source,
+android_media_AudioSystem_recording_callback(int event, const record_client_info_t *clientInfo,
const audio_config_base_t *clientConfig, const audio_config_base_t *deviceConfig,
audio_patch_handle_t patchHandle)
{
if (env == NULL) {
return;
}
- if (clientConfig == NULL || deviceConfig == NULL) {
- ALOGE("Unexpected null client/device configurations in recording callback");
+ if (clientInfo == NULL || clientConfig == NULL || deviceConfig == NULL) {
+ ALOGE("Unexpected null client/device info or configurations in recording callback");
return;
}
jclass clazz = env->FindClass(kClassPathName);
env->CallStaticVoidMethod(clazz,
gAudioPolicyEventHandlerMethods.postRecordConfigEventFromNative,
- event, session, source, recParamArray);
+ event, (jint) clientInfo->uid, clientInfo->session, clientInfo->source, recParamArray);
env->DeleteLocalRef(clazz);
env->DeleteLocalRef(recParamArray);
"dynamicPolicyCallbackFromNative", "(ILjava/lang/String;I)V");
gAudioPolicyEventHandlerMethods.postRecordConfigEventFromNative =
GetStaticMethodIDOrDie(env, env->FindClass(kClassPathName),
- "recordingCallbackFromNative", "(III[I)V");
+ "recordingCallbackFromNative", "(IIII[I)V");
jclass audioMixClass = FindClassOrDie(env, "android/media/audiopolicy/AudioMix");
gAudioMixClass = MakeGlobalRefOrDie(env, audioMixClass);
**/
public static final int ENCODING_DOLBY_TRUEHD = 14;
+ /** @hide */
+ public static String toLogFriendlyEncoding(int enc) {
+ switch(enc) {
+ case ENCODING_INVALID:
+ return "ENCODING_INVALID";
+ case ENCODING_PCM_16BIT:
+ return "ENCODING_PCM_16BIT";
+ case ENCODING_PCM_8BIT:
+ return "ENCODING_PCM_8BIT";
+ case ENCODING_PCM_FLOAT:
+ return "ENCODING_PCM_FLOAT";
+ case ENCODING_AC3:
+ return "ENCODING_AC3";
+ case ENCODING_E_AC3:
+ return "ENCODING_E_AC3";
+ case ENCODING_DTS:
+ return "ENCODING_DTS";
+ case ENCODING_DTS_HD:
+ return "ENCODING_DTS_HD";
+ case ENCODING_MP3:
+ return "ENCODING_MP3";
+ case ENCODING_AAC_LC:
+ return "ENCODING_AAC_LC";
+ case ENCODING_AAC_HE_V1:
+ return "ENCODING_AAC_HE_V1";
+ case ENCODING_AAC_HE_V2:
+ return "ENCODING_AAC_HE_V2";
+ case ENCODING_IEC61937:
+ return "ENCODING_IEC61937";
+ case ENCODING_DOLBY_TRUEHD:
+ return "ENCODING_DOLBY_TRUEHD";
+ default :
+ return "invalid encoding " + enc;
+ }
+ }
+
/** Invalid audio channel configuration */
/** @deprecated Use {@link #CHANNEL_INVALID} instead. */
@Deprecated public static final int CHANNEL_CONFIGURATION_INVALID = 0;
return mPropertySetMask;
}
+ /** @hide */
+ public String toLogFriendlyString() {
+ return String.format("%dch %dHz %s",
+ getChannelCount(), mSampleRate, toLogFriendlyEncoding(mEncoding));
+ }
+
/**
* Builder class for {@link AudioFormat} objects.
* Use this class to configure and create an AudioFormat instance. By setting format
package android.media;
import android.annotation.IntDef;
+import android.annotation.NonNull;
import android.os.Parcel;
import android.os.Parcelable;
import android.util.Log;
+import java.io.PrintWriter;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.ArrayList;
private final AudioFormat mDeviceFormat;
private final AudioFormat mClientFormat;
+ @NonNull private final String mClientPackageName;
+ private final int mClientUid;
+
private final int mPatchHandle;
/**
* @hide
*/
- public AudioRecordingConfiguration(int session, int source, AudioFormat clientFormat,
- AudioFormat devFormat, int patchHandle) {
+ public AudioRecordingConfiguration(int uid, int session, int source, AudioFormat clientFormat,
+ AudioFormat devFormat, int patchHandle, String packageName) {
+ mClientUid = uid;
mSessionId = session;
mClientSource = source;
mClientFormat = clientFormat;
mDeviceFormat = devFormat;
mPatchHandle = patchHandle;
+ mClientPackageName = packageName;
+ }
+
+ /**
+ * @hide
+ * For AudioService dump
+ * @param pw
+ */
+ public void dump(PrintWriter pw) {
+ pw.println(" " + toLogFriendlyString(this));
+ }
+
+ /**
+ * @hide
+ */
+ public static String toLogFriendlyString(AudioRecordingConfiguration arc) {
+ return new String("session:" + arc.mSessionId
+ + " -- source:" + MediaRecorder.toLogFriendlyAudioSource(arc.mClientSource)
+ + " -- uid:" + arc.mClientUid
+ + " -- patch:" + arc.mPatchHandle
+ + " -- pack:" + arc.mClientPackageName
+ + " -- format client=" + arc.mClientFormat.toLogFriendlyString()
+ + ", dev=" + arc.mDeviceFormat.toLogFriendlyString());
+ }
+
+ // Note that this method is called server side, so no "privileged" information is ever sent
+ // to a client that is not supposed to have access to it.
+ /**
+ * @hide
+ * Creates a copy of the recording configuration that is stripped of any data enabling
+ * identification of which application it is associated with ("anonymized").
+ * @param in
+ */
+ public static AudioRecordingConfiguration anonymizedCopy(AudioRecordingConfiguration in) {
+ return new AudioRecordingConfiguration( /*anonymized uid*/ -1,
+ in.mSessionId, in.mClientSource, in.mClientFormat,
+ in.mDeviceFormat, in.mPatchHandle, "" /*empty package name*/);
}
// matches the sources that return false in MediaRecorder.isSystemOnlyAudioSource(source)
public AudioFormat getClientFormat() { return mClientFormat; }
/**
+ * @pending for SystemApi
+ * Returns the package name of the application performing the recording.
+ * Where there are multiple packages sharing the same user id through the "sharedUserId"
+ * mechanism, only the first one with that id will be returned
+ * (see {@link PackageManager#getPackagesForUid(int)}).
+ * <p>This information is only available if the caller has the
+ * {@link android.Manifest.permission.MODIFY_AUDIO_ROUTING} permission.
+ * <br>When called without the permission, the result is an empty string.
+ * @return the package name
+ */
+ public String getClientPackageName() { return mClientPackageName; }
+
+ /**
+ * @pending for SystemApi
+ * Returns the user id of the application performing the recording.
+ * <p>This information is only available if the caller has the
+ * {@link android.Manifest.permission.MODIFY_AUDIO_ROUTING}
+ * permission.
+ * <br>The result is -1 without the permission.
+ * @return the user id
+ */
+ public int getClientUid() { return mClientUid; }
+
+ /**
* Returns information about the audio input device used for this recording.
* @return the audio recording device or null if this information cannot be retrieved
*/
mClientFormat.writeToParcel(dest, 0);
mDeviceFormat.writeToParcel(dest, 0);
dest.writeInt(mPatchHandle);
+ dest.writeString(mClientPackageName);
+ dest.writeInt(mClientUid);
}
private AudioRecordingConfiguration(Parcel in) {
mClientFormat = AudioFormat.CREATOR.createFromParcel(in);
mDeviceFormat = AudioFormat.CREATOR.createFromParcel(in);
mPatchHandle = in.readInt();
+ mClientPackageName = in.readString();
+ mClientUid = in.readInt();
}
@Override
AudioRecordingConfiguration that = (AudioRecordingConfiguration) o;
- return ((mSessionId == that.mSessionId)
+ return ((mClientUid == that.mClientUid)
+ && (mSessionId == that.mSessionId)
&& (mClientSource == that.mClientSource)
&& (mPatchHandle == that.mPatchHandle)
&& (mClientFormat.equals(that.mClientFormat))
- && (mDeviceFormat.equals(that.mDeviceFormat)));
+ && (mDeviceFormat.equals(that.mDeviceFormat))
+ && (mClientPackageName.equals(that.mClientPackageName)));
}
}
/**
* Callback for recording activity notifications events
* @param event
+ * @param uid uid of the client app performing the recording
* @param session
* @param source
* @param recordingFormat an array of ints containing respectively the client and device
* 4: device channel mask
* 5: device sample rate
* 6: patch handle
+ * @param packName package name of the client app performing the recording. NOT SUPPORTED
*/
- void onRecordingConfigurationChanged(int event, int session, int source,
- int[] recordingFormat);
+ void onRecordingConfigurationChanged(int event, int uid, int session, int source,
+ int[] recordingFormat, String packName);
}
private static AudioRecordingCallback sRecordingCallback;
* @param session
* @param source
* @param recordingFormat see
- * {@link AudioRecordingCallback#onRecordingConfigurationChanged(int, int, int, int[])} for
- * the description of the record format.
+ * {@link AudioRecordingCallback#onRecordingConfigurationChanged(int, int, int, int, int[])}
+ * for the description of the record format.
*/
- private static void recordingCallbackFromNative(int event, int session, int source,
+ private static void recordingCallbackFromNative(int event, int uid, int session, int source,
int[] recordingFormat) {
AudioRecordingCallback cb = null;
synchronized (AudioSystem.class) {
cb = sRecordingCallback;
}
if (cb != null) {
- cb.onRecordingConfigurationChanged(event, session, source, recordingFormat);
+ // TODO receive package name from native
+ cb.onRecordingConfigurationChanged(event, uid, session, source, recordingFormat, "");
}
}
}
}
+ /** @hide */
+ public static final String toLogFriendlyAudioSource(int source) {
+ switch(source) {
+ case AudioSource.DEFAULT:
+ return "DEFAULT";
+ case AudioSource.MIC:
+ return "MIC";
+ case AudioSource.VOICE_UPLINK:
+ return "VOICE_UPLINK";
+ case AudioSource.VOICE_DOWNLINK:
+ return "VOICE_DOWNLINK";
+ case AudioSource.VOICE_CALL:
+ return "VOICE_CALL";
+ case AudioSource.CAMCORDER:
+ return "CAMCORDER";
+ case AudioSource.VOICE_RECOGNITION:
+ return "VOICE_RECOGNITION";
+ case AudioSource.VOICE_COMMUNICATION:
+ return "VOICE_COMMUNICATION";
+ case AudioSource.REMOTE_SUBMIX:
+ return "REMOTE_SUBMIX";
+ case AudioSource.UNPROCESSED:
+ return "UNPROCESSED";
+ case AudioSource.RADIO_TUNER:
+ return "RADIO_TUNER";
+ case AudioSource.HOTWORD:
+ return "HOTWORD";
+ case AudioSource.AUDIO_SOURCE_INVALID:
+ return "AUDIO_SOURCE_INVALID";
+ default:
+ return "unknown source " + source;
+ }
+ }
+
/**
* Defines the video source. These constants are used with
* {@link MediaRecorder#setVideoSource(int)}.
mMediaFocusControl = new MediaFocusControl(mContext, mPlaybackMonitor);
+ mRecordMonitor = new RecordingActivityMonitor(mContext);
+
readAndSetLowRamDevice();
// Call setRingerModeInt() to apply correct mute
dumpAudioPolicies(pw);
mPlaybackMonitor.dump(pw);
+
+ mRecordMonitor.dump(pw);
}
private static String safeMediaVolumeStateToString(Integer state) {
//======================
// Audio policy callbacks from AudioSystem for recording configuration updates
//======================
- private final RecordingActivityMonitor mRecordMonitor = new RecordingActivityMonitor();
+ private final RecordingActivityMonitor mRecordMonitor;
public void registerRecordingCallback(IRecordingConfigDispatcher rcdb) {
- mRecordMonitor.registerRecordingCallback(rcdb);
+ final boolean isPrivileged =
+ (PackageManager.PERMISSION_GRANTED == mContext.checkCallingPermission(
+ android.Manifest.permission.MODIFY_AUDIO_ROUTING));
+ mRecordMonitor.registerRecordingCallback(rcdb, isPrivileged);
}
public void unregisterRecordingCallback(IRecordingConfigDispatcher rcdb) {
}
public List<AudioRecordingConfiguration> getActiveRecordingConfigurations() {
- return mRecordMonitor.getActiveRecordingConfigurations();
+ final boolean isPrivileged =
+ (PackageManager.PERMISSION_GRANTED == mContext.checkCallingPermission(
+ android.Manifest.permission.MODIFY_AUDIO_ROUTING));
+ return mRecordMonitor.getActiveRecordingConfigurations(isPrivileged);
}
public void disableRingtoneSync(final int userId) {
package com.android.server.audio;
+import android.content.Context;
+import android.content.pm.PackageManager;
import android.media.AudioFormat;
import android.media.AudioManager;
+import android.media.AudioPlaybackConfiguration;
import android.media.AudioRecordingConfiguration;
import android.media.AudioSystem;
import android.media.IRecordingConfigDispatcher;
import android.os.RemoteException;
import android.util.Log;
+import java.io.PrintWriter;
+import java.text.DateFormat;
import java.util.ArrayList;
+import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
public final static String TAG = "AudioService.RecordingActivityMonitor";
private ArrayList<RecMonitorClient> mClients = new ArrayList<RecMonitorClient>();
+ // a public client is one that needs an anonymized version of the playback configurations, we
+ // keep track of whether there is at least one to know when we need to create the list of
+ // playback configurations that do not contain uid/package name information.
+ private boolean mHasPublicClients = false;
private HashMap<Integer, AudioRecordingConfiguration> mRecordConfigs =
new HashMap<Integer, AudioRecordingConfiguration>();
- RecordingActivityMonitor() {
+ private final PackageManager mPackMan;
+
+ RecordingActivityMonitor(Context ctxt) {
RecMonitorClient.sMonitor = this;
+ mPackMan = ctxt.getPackageManager();
}
/**
* Implementation of android.media.AudioSystem.AudioRecordingCallback
*/
- public void onRecordingConfigurationChanged(int event, int session, int source,
- int[] recordingInfo) {
+ public void onRecordingConfigurationChanged(int event, int uid, int session, int source,
+ int[] recordingInfo, String packName) {
if (MediaRecorder.isSystemOnlyAudioSource(source)) {
return;
}
- final List<AudioRecordingConfiguration> configs =
- updateSnapshot(event, session, source, recordingInfo);
- if (configs != null){
- synchronized(mClients) {
+ final List<AudioRecordingConfiguration> configsSystem =
+ updateSnapshot(event, uid, session, source, recordingInfo);
+ if (configsSystem != null){
+ synchronized (mClients) {
+ // list of recording configurations for "public consumption". It is only computed if
+ // there are non-system recording activity listeners.
+ final List<AudioRecordingConfiguration> configsPublic = mHasPublicClients ?
+ anonymizeForPublicConsumption(configsSystem) :
+ new ArrayList<AudioRecordingConfiguration>();
final Iterator<RecMonitorClient> clientIterator = mClients.iterator();
while (clientIterator.hasNext()) {
+ final RecMonitorClient rmc = clientIterator.next();
try {
- clientIterator.next().mDispatcherCb.dispatchRecordingConfigChange(
- configs);
+ if (rmc.mIsPrivileged) {
+ rmc.mDispatcherCb.dispatchRecordingConfigChange(configsSystem);
+ } else {
+ rmc.mDispatcherCb.dispatchRecordingConfigChange(configsPublic);
+ }
} catch (RemoteException e) {
Log.w(TAG, "Could not call dispatchRecordingConfigChange() on client", e);
}
}
}
+ protected void dump(PrintWriter pw) {
+ // players
+ pw.println("\nRecordActivityMonitor dump time: "
+ + DateFormat.getTimeInstance().format(new Date()));
+ synchronized(mRecordConfigs) {
+ for (AudioRecordingConfiguration conf : mRecordConfigs.values()) {
+ conf.dump(pw);
+ }
+ }
+ }
+
+ private ArrayList<AudioRecordingConfiguration> anonymizeForPublicConsumption(
+ List<AudioRecordingConfiguration> sysConfigs) {
+ ArrayList<AudioRecordingConfiguration> publicConfigs =
+ new ArrayList<AudioRecordingConfiguration>();
+ // only add active anonymized configurations,
+ for (AudioRecordingConfiguration config : sysConfigs) {
+ publicConfigs.add(AudioRecordingConfiguration.anonymizedCopy(config));
+ }
+ return publicConfigs;
+ }
+
void initMonitor() {
AudioSystem.setRecordingCallback(this);
}
- void registerRecordingCallback(IRecordingConfigDispatcher rcdb) {
+ void registerRecordingCallback(IRecordingConfigDispatcher rcdb, boolean isPrivileged) {
if (rcdb == null) {
return;
}
- synchronized(mClients) {
- final RecMonitorClient rmc = new RecMonitorClient(rcdb);
+ synchronized (mClients) {
+ final RecMonitorClient rmc = new RecMonitorClient(rcdb, isPrivileged);
if (rmc.init()) {
+ if (!isPrivileged) {
+ mHasPublicClients = true;
+ }
mClients.add(rmc);
}
}
if (rcdb == null) {
return;
}
- synchronized(mClients) {
+ synchronized (mClients) {
final Iterator<RecMonitorClient> clientIterator = mClients.iterator();
+ boolean hasPublicClients = false;
while (clientIterator.hasNext()) {
RecMonitorClient rmc = clientIterator.next();
if (rcdb.equals(rmc.mDispatcherCb)) {
rmc.release();
clientIterator.remove();
- break;
+ } else {
+ if (!rmc.mIsPrivileged) {
+ hasPublicClients = true;
+ }
}
}
+ mHasPublicClients = hasPublicClients;
}
}
- List<AudioRecordingConfiguration> getActiveRecordingConfigurations() {
+ List<AudioRecordingConfiguration> getActiveRecordingConfigurations(boolean isPrivileged) {
synchronized(mRecordConfigs) {
- return new ArrayList<AudioRecordingConfiguration>(mRecordConfigs.values());
+ if (isPrivileged) {
+ return new ArrayList<AudioRecordingConfiguration>(mRecordConfigs.values());
+ } else {
+ final List<AudioRecordingConfiguration> configsPublic =
+ anonymizeForPublicConsumption(
+ new ArrayList<AudioRecordingConfiguration>(mRecordConfigs.values()));
+ return configsPublic;
+ }
}
}
* @return null if the list of active recording sessions has not been modified, a list
* with the current active configurations otherwise.
*/
- private List<AudioRecordingConfiguration> updateSnapshot(int event, int session, int source,
- int[] recordingInfo) {
+ private List<AudioRecordingConfiguration> updateSnapshot(int event, int uid, int session,
+ int source, int[] recordingInfo) {
final boolean configChanged;
final ArrayList<AudioRecordingConfiguration> configs;
synchronized(mRecordConfigs) {
.build();
final int patchHandle = recordingInfo[6];
final Integer sessionKey = new Integer(session);
+
+ final String[] packages = mPackMan.getPackagesForUid(uid);
+ final String packageName;
+ if (packages != null && packages.length > 0) {
+ packageName = packages[0];
+ } else {
+ packageName = "";
+ }
+ final AudioRecordingConfiguration updatedConfig =
+ new AudioRecordingConfiguration(uid, session, source,
+ clientFormat, deviceFormat, patchHandle, packageName);
+
if (mRecordConfigs.containsKey(sessionKey)) {
- final AudioRecordingConfiguration updatedConfig =
- new AudioRecordingConfiguration(session, source,
- clientFormat, deviceFormat, patchHandle);
if (updatedConfig.equals(mRecordConfigs.get(sessionKey))) {
configChanged = false;
} else {
configChanged = true;
}
} else {
- mRecordConfigs.put(sessionKey,
- new AudioRecordingConfiguration(session, source,
- clientFormat, deviceFormat, patchHandle));
+ mRecordConfigs.put(sessionKey, updatedConfig);
configChanged = true;
}
break;
static RecordingActivityMonitor sMonitor;
final IRecordingConfigDispatcher mDispatcherCb;
+ final boolean mIsPrivileged;
- RecMonitorClient(IRecordingConfigDispatcher rcdb) {
+ RecMonitorClient(IRecordingConfigDispatcher rcdb, boolean isPrivileged) {
mDispatcherCb = rcdb;
+ mIsPrivileged = isPrivileged;
}
public void binderDied() {
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