09818c1550
Framework internal conversion for going from an AudioAttributes instance to a legacy stream type. Change-Id: Ic3b7d2cf4aa0ac5255aa5897a25c78c940af9f77
598 lines
22 KiB
Java
598 lines
22 KiB
Java
/*
|
|
* Copyright (C) 2014 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.
|
|
*/
|
|
|
|
package android.media;
|
|
|
|
import android.annotation.IntDef;
|
|
import android.os.Parcel;
|
|
import android.os.Parcelable;
|
|
import android.util.Log;
|
|
|
|
import java.lang.annotation.Retention;
|
|
import java.lang.annotation.RetentionPolicy;
|
|
import java.util.Collections;
|
|
import java.util.HashSet;
|
|
import java.util.Iterator;
|
|
import java.util.Set;
|
|
|
|
/**
|
|
* A class to encapsulate a collection of attributes describing information about an audio
|
|
* player or recorder.
|
|
*/
|
|
public final class AudioAttributes implements Parcelable {
|
|
private final static String TAG = "AudioAttributes";
|
|
|
|
/**
|
|
* Content type value to use when the content type is unknown, or other than the ones defined.
|
|
*/
|
|
public final static int CONTENT_TYPE_UNKNOWN = 0;
|
|
/**
|
|
* Content type value to use when the content type is speech.
|
|
*/
|
|
public final static int CONTENT_TYPE_SPEECH = 1;
|
|
/**
|
|
* Content type value to use when the content type is music.
|
|
*/
|
|
public final static int CONTENT_TYPE_MUSIC = 2;
|
|
/**
|
|
* Content type value to use when the content type is a soundtrack, typically accompanying
|
|
* a movie or TV program.
|
|
*/
|
|
public final static int CONTENT_TYPE_MOVIE = 3;
|
|
/**
|
|
* Content type value to use when the content type is a sound used to accompany a user
|
|
* action, such as a beep or sound effect expressing a key click, or event, such as the
|
|
* type of a sound for a bonus being received in a game. These sounds are mostly synthesized
|
|
* or short Foley sounds.
|
|
*/
|
|
public final static int CONTENT_TYPE_SONIFICATION = 4;
|
|
|
|
/**
|
|
* Usage value to use when the usage is unknown.
|
|
*/
|
|
public final static int USAGE_UNKNOWN = 0;
|
|
/**
|
|
* Usage value to use when the usage is media, such as music, or movie
|
|
* soundtracks.
|
|
*/
|
|
public final static int USAGE_MEDIA = 1;
|
|
/**
|
|
* Usage value to use when the usage is voice communications, such as telephony
|
|
* or VoIP.
|
|
*/
|
|
public final static int USAGE_VOICE_COMMUNICATION = 2;
|
|
/**
|
|
* Usage value to use when the usage is in-call signalling, such as with
|
|
* a "busy" beep, or DTMF tones.
|
|
*/
|
|
public final static int USAGE_VOICE_COMMUNICATION_SIGNALLING = 3;
|
|
/**
|
|
* Usage value to use when the usage is an alarm (e.g. wake-up alarm).
|
|
*/
|
|
public final static int USAGE_ALARM = 4;
|
|
/**
|
|
* Usage value to use when the usage is notification. See other
|
|
* notification usages for more specialized uses.
|
|
*/
|
|
public final static int USAGE_NOTIFICATION = 5;
|
|
/**
|
|
* Usage value to use when the usage is telephony ringtone.
|
|
*/
|
|
public final static int USAGE_NOTIFICATION_TELEPHONY_RINGTONE = 6;
|
|
/**
|
|
* Usage value to use when the usage is a request to enter/end a
|
|
* communication, such as a VoIP communication or video-conference.
|
|
*/
|
|
public final static int USAGE_NOTIFICATION_COMMUNICATION_REQUEST = 7;
|
|
/**
|
|
* Usage value to use when the usage is notification for an "instant"
|
|
* communication such as a chat, or SMS.
|
|
*/
|
|
public final static int USAGE_NOTIFICATION_COMMUNICATION_INSTANT = 8;
|
|
/**
|
|
* Usage value to use when the usage is notification for a
|
|
* non-immediate type of communication such as e-mail.
|
|
*/
|
|
public final static int USAGE_NOTIFICATION_COMMUNICATION_DELAYED = 9;
|
|
/**
|
|
* Usage value to use when the usage is to attract the user's attention,
|
|
* such as a reminder or low battery warning.
|
|
*/
|
|
public final static int USAGE_NOTIFICATION_EVENT = 10;
|
|
/**
|
|
* Usage value to use when the usage is for accessibility, such as with
|
|
* a screen reader.
|
|
*/
|
|
public final static int USAGE_ASSISTANCE_ACCESSIBILITY = 11;
|
|
/**
|
|
* Usage value to use when the usage is driving or navigation directions.
|
|
*/
|
|
public final static int USAGE_ASSISTANCE_NAVIGATION_GUIDANCE = 12;
|
|
/**
|
|
* Usage value to use when the usage is sonification, such as with user
|
|
* interface sounds.
|
|
*/
|
|
public final static int USAGE_ASSISTANCE_SONIFICATION = 13;
|
|
/**
|
|
* Usage value to use when the usage is for game audio.
|
|
*/
|
|
public final static int USAGE_GAME = 14;
|
|
|
|
/**
|
|
* Flag defining a behavior where the audibility of the sound will be ensured by the system.
|
|
*/
|
|
public final static int FLAG_AUDIBILITY_ENFORCED = 0x1 << 0;
|
|
/**
|
|
* @hide
|
|
* Flag defining a behavior where the playback of the sound is ensured without
|
|
* degradation only when going to a secure sink.
|
|
*/
|
|
// FIXME not guaranteed yet
|
|
// TODO add OR to getFlags() when supported and in public API
|
|
public final static int FLAG_SECURE = 0x1 << 1;
|
|
/**
|
|
* @hide
|
|
* Flag to enable when the stream is associated with SCO usage.
|
|
* Internal use only for dealing with legacy STREAM_BLUETOOTH_SCO
|
|
*/
|
|
public final static int FLAG_SCO = 0x1 << 2;
|
|
|
|
|
|
private int mUsage = USAGE_UNKNOWN;
|
|
private int mContentType = CONTENT_TYPE_UNKNOWN;
|
|
private int mFlags = 0x0;
|
|
private HashSet<String> mTags;
|
|
private String mFormattedTags;
|
|
|
|
private AudioAttributes() {
|
|
}
|
|
|
|
/**
|
|
* Return the content type.
|
|
* @return one of the values that can be set in {@link Builder#setContentType(int)}
|
|
*/
|
|
public int getContentType() {
|
|
return mContentType;
|
|
}
|
|
|
|
/**
|
|
* Return the usage.
|
|
* @return one of the values that can be set in {@link Builder#setUsage(int)}
|
|
*/
|
|
public int getUsage() {
|
|
return mUsage;
|
|
}
|
|
|
|
/**
|
|
* Return the flags.
|
|
* @return a combined mask of all flags
|
|
*/
|
|
public int getFlags() {
|
|
// only return the flags that are public
|
|
return (mFlags & (FLAG_AUDIBILITY_ENFORCED));
|
|
}
|
|
|
|
/**
|
|
* @hide
|
|
* Return all the flags, even the non-public ones.
|
|
* Internal use only
|
|
* @return a combined mask of all flags
|
|
*/
|
|
public int getAllFlags() {
|
|
return mFlags;
|
|
}
|
|
|
|
/**
|
|
* @hide
|
|
* Return the set of tags.
|
|
* @return a read-only set of all tags stored as strings.
|
|
*/
|
|
public Set<String> getTags() {
|
|
return Collections.unmodifiableSet(mTags);
|
|
}
|
|
|
|
/**
|
|
* Builder class for {@link AudioAttributes} objects.
|
|
*/
|
|
public static class Builder {
|
|
private int mUsage = USAGE_UNKNOWN;
|
|
private int mContentType = CONTENT_TYPE_UNKNOWN;
|
|
private int mFlags = 0x0;
|
|
private HashSet<String> mTags = new HashSet<String>();
|
|
|
|
/**
|
|
* Constructs a new Builder with the defaults.
|
|
*/
|
|
public Builder() {
|
|
}
|
|
|
|
/**
|
|
* Constructs a new Builder from a given AudioAttributes
|
|
* @param aa the AudioAttributes object whose data will be reused in the new Builder.
|
|
*/
|
|
@SuppressWarnings("unchecked") // for cloning of mTags
|
|
public Builder(AudioAttributes aa) {
|
|
mUsage = aa.mUsage;
|
|
mContentType = aa.mContentType;
|
|
mFlags = aa.mFlags;
|
|
mTags = (HashSet<String>) aa.mTags.clone();
|
|
}
|
|
|
|
/**
|
|
* Combines all of the attributes that have been set and return a new
|
|
* {@link AudioAttributes} object.
|
|
* @return a new {@link AudioAttributes} object
|
|
*/
|
|
@SuppressWarnings("unchecked") // for cloning of mTags
|
|
public AudioAttributes build() {
|
|
AudioAttributes aa = new AudioAttributes();
|
|
aa.mContentType = mContentType;
|
|
aa.mUsage = mUsage;
|
|
aa.mFlags = mFlags;
|
|
aa.mTags = (HashSet<String>) mTags.clone();
|
|
final Iterator<String> tagIterator = mTags.iterator();
|
|
String allTagsInOne = new String();
|
|
while (tagIterator.hasNext()) {
|
|
allTagsInOne += tagIterator.next() + ";";
|
|
}
|
|
aa.mFormattedTags = allTagsInOne;
|
|
return aa;
|
|
}
|
|
|
|
/**
|
|
* Sets the attribute describing what is the intended use of the the audio signal,
|
|
* such as alarm or ringtone.
|
|
* @param usage one of {@link AudioAttributes#USAGE_UNKNOWN},
|
|
* {@link AudioAttributes#USAGE_MEDIA},
|
|
* {@link AudioAttributes#USAGE_VOICE_COMMUNICATION},
|
|
* {@link AudioAttributes#USAGE_VOICE_COMMUNICATION_SIGNALLING},
|
|
* {@link AudioAttributes#USAGE_ALARM}, {@link AudioAttributes#USAGE_NOTIFICATION},
|
|
* {@link AudioAttributes#USAGE_NOTIFICATION_TELEPHONY_RINGTONE},
|
|
* {@link AudioAttributes#USAGE_NOTIFICATION_COMMUNICATION_REQUEST},
|
|
* {@link AudioAttributes#USAGE_NOTIFICATION_COMMUNICATION_INSTANT},
|
|
* {@link AudioAttributes#USAGE_NOTIFICATION_COMMUNICATION_DELAYED},
|
|
* {@link AudioAttributes#USAGE_NOTIFICATION_EVENT},
|
|
* {@link AudioAttributes#USAGE_ASSISTANCE_ACCESSIBILITY},
|
|
* {@link AudioAttributes#USAGE_ASSISTANCE_NAVIGATION_GUIDANCE},
|
|
* {@link AudioAttributes#USAGE_ASSISTANCE_SONIFICATION},
|
|
* {@link AudioAttributes#USAGE_GAME}.
|
|
* @return the same Builder instance.
|
|
*/
|
|
public Builder setUsage(@AttributeUsage int usage) {
|
|
switch (usage) {
|
|
case USAGE_UNKNOWN:
|
|
case USAGE_MEDIA:
|
|
case USAGE_VOICE_COMMUNICATION:
|
|
case USAGE_VOICE_COMMUNICATION_SIGNALLING:
|
|
case USAGE_ALARM:
|
|
case USAGE_NOTIFICATION:
|
|
case USAGE_NOTIFICATION_TELEPHONY_RINGTONE:
|
|
case USAGE_NOTIFICATION_COMMUNICATION_REQUEST:
|
|
case USAGE_NOTIFICATION_COMMUNICATION_INSTANT:
|
|
case USAGE_NOTIFICATION_COMMUNICATION_DELAYED:
|
|
case USAGE_NOTIFICATION_EVENT:
|
|
case USAGE_ASSISTANCE_ACCESSIBILITY:
|
|
case USAGE_ASSISTANCE_NAVIGATION_GUIDANCE:
|
|
case USAGE_ASSISTANCE_SONIFICATION:
|
|
case USAGE_GAME:
|
|
mUsage = usage;
|
|
break;
|
|
default:
|
|
mUsage = USAGE_UNKNOWN;
|
|
}
|
|
return this;
|
|
}
|
|
|
|
/**
|
|
* Sets the attribute describing the content type of the audio signal, such as speech,
|
|
* or music.
|
|
* @param contentType the content type values, one of
|
|
* {@link AudioAttributes#CONTENT_TYPE_MOVIE},
|
|
* {@link AudioAttributes#CONTENT_TYPE_MUSIC},
|
|
* {@link AudioAttributes#CONTENT_TYPE_SONIFICATION},
|
|
* {@link AudioAttributes#CONTENT_TYPE_SPEECH},
|
|
* {@link AudioAttributes#CONTENT_TYPE_UNKNOWN}.
|
|
* @return the same Builder instance.
|
|
*/
|
|
public Builder setContentType(@AttributeContentType int contentType) {
|
|
switch (contentType) {
|
|
case CONTENT_TYPE_UNKNOWN:
|
|
case CONTENT_TYPE_MOVIE:
|
|
case CONTENT_TYPE_MUSIC:
|
|
case CONTENT_TYPE_SONIFICATION:
|
|
case CONTENT_TYPE_SPEECH:
|
|
mContentType = contentType;
|
|
break;
|
|
default:
|
|
mUsage = CONTENT_TYPE_UNKNOWN;
|
|
}
|
|
return this;
|
|
}
|
|
|
|
/**
|
|
* Sets the combination of flags.
|
|
* @param flags the {@link AudioAttributes#FLAG_AUDIBILITY_ENFORCED} flag.
|
|
* @return the same Builder instance.
|
|
*/
|
|
public Builder setFlags(int flags) {
|
|
flags &= (AudioAttributes.FLAG_AUDIBILITY_ENFORCED | AudioAttributes.FLAG_SCO
|
|
| AudioAttributes.FLAG_SECURE);
|
|
mFlags |= flags;
|
|
return this;
|
|
}
|
|
|
|
/**
|
|
* @hide
|
|
* Add a custom tag stored as a string
|
|
* @param tag
|
|
* @return the same Builder instance.
|
|
*/
|
|
public Builder addTag(String tag) {
|
|
mTags.add(tag);
|
|
return this;
|
|
}
|
|
|
|
/**
|
|
* Adds attributes inferred from the legacy stream types.
|
|
* @param streamType one of {@link AudioManager#STREAM_VOICE_CALL},
|
|
* {@link AudioManager#STREAM_SYSTEM}, {@link AudioManager#STREAM_RING},
|
|
* {@link AudioManager#STREAM_MUSIC}, {@link AudioManager#STREAM_ALARM},
|
|
* or {@link AudioManager#STREAM_NOTIFICATION}.
|
|
* @return the same Builder instance.
|
|
*/
|
|
public Builder setLegacyStreamType(int streamType) {
|
|
return setInternalLegacyStreamType(streamType);
|
|
}
|
|
|
|
/**
|
|
* @hide
|
|
* For internal framework use only, enables building from hidden stream types.
|
|
* @param streamType
|
|
* @return the same Builder instance.
|
|
*/
|
|
public Builder setInternalLegacyStreamType(int streamType) {
|
|
switch(streamType) {
|
|
case AudioSystem.STREAM_VOICE_CALL:
|
|
mContentType = CONTENT_TYPE_SPEECH;
|
|
mUsage = USAGE_VOICE_COMMUNICATION;
|
|
break;
|
|
case AudioSystem.STREAM_SYSTEM_ENFORCED:
|
|
mFlags |= FLAG_AUDIBILITY_ENFORCED;
|
|
// intended fall through, attributes in common with STREAM_SYSTEM
|
|
case AudioSystem.STREAM_SYSTEM:
|
|
mContentType = CONTENT_TYPE_SONIFICATION;
|
|
mUsage = USAGE_ASSISTANCE_SONIFICATION;
|
|
break;
|
|
case AudioSystem.STREAM_RING:
|
|
mContentType = CONTENT_TYPE_SONIFICATION;
|
|
mUsage = USAGE_NOTIFICATION_TELEPHONY_RINGTONE;
|
|
break;
|
|
case AudioSystem.STREAM_MUSIC:
|
|
mContentType = CONTENT_TYPE_MUSIC;
|
|
mUsage = USAGE_MEDIA;
|
|
break;
|
|
case AudioSystem.STREAM_ALARM:
|
|
mContentType = CONTENT_TYPE_SONIFICATION;
|
|
mUsage = USAGE_ALARM;
|
|
break;
|
|
case AudioSystem.STREAM_NOTIFICATION:
|
|
mContentType = CONTENT_TYPE_SONIFICATION;
|
|
mUsage = USAGE_NOTIFICATION;
|
|
break;
|
|
case AudioSystem.STREAM_BLUETOOTH_SCO:
|
|
mContentType = CONTENT_TYPE_SPEECH;
|
|
mUsage = USAGE_VOICE_COMMUNICATION;
|
|
mFlags |= FLAG_SCO;
|
|
break;
|
|
case AudioSystem.STREAM_DTMF:
|
|
mContentType = CONTENT_TYPE_SONIFICATION;
|
|
mUsage = USAGE_VOICE_COMMUNICATION_SIGNALLING;
|
|
break;
|
|
case AudioSystem.STREAM_TTS:
|
|
mContentType = CONTENT_TYPE_SPEECH;
|
|
mUsage = USAGE_ASSISTANCE_ACCESSIBILITY;
|
|
break;
|
|
default:
|
|
Log.e(TAG, "Invalid stream type " + streamType + " in for AudioAttributes");
|
|
}
|
|
return this;
|
|
}
|
|
};
|
|
|
|
@Override
|
|
public int describeContents() {
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* @hide
|
|
* Used to indicate that when parcelling, the tags should be parcelled through the flattened
|
|
* formatted string, not through the array of strings.
|
|
* Keep in sync with frameworks/av/media/libmediaplayerservice/MediaPlayerService.cpp
|
|
* see definition of kAudioAttributesMarshallTagFlattenTags
|
|
*/
|
|
public final static int FLATTEN_TAGS = 0x1;
|
|
/**
|
|
* When adding tags for writeToParcel(Parcel, int), add them in the list of flags (| NEW_FLAG)
|
|
*/
|
|
private final static int ALL_PARCEL_FLAGS = FLATTEN_TAGS;
|
|
@Override
|
|
public void writeToParcel(Parcel dest, int flags) {
|
|
dest.writeInt(mUsage);
|
|
dest.writeInt(mContentType);
|
|
dest.writeInt(mFlags);
|
|
dest.writeInt(flags & ALL_PARCEL_FLAGS);
|
|
if ((flags & FLATTEN_TAGS) == 0) {
|
|
String[] tagsArray = new String[mTags.size()];
|
|
mTags.toArray(tagsArray);
|
|
dest.writeStringArray(tagsArray);
|
|
} else if ((flags & FLATTEN_TAGS) == FLATTEN_TAGS) {
|
|
dest.writeString(mFormattedTags);
|
|
}
|
|
}
|
|
|
|
private AudioAttributes(Parcel in) {
|
|
mUsage = in.readInt();
|
|
mContentType = in.readInt();
|
|
mFlags = in.readInt();
|
|
boolean hasFlattenedTags = ((in.readInt() & FLATTEN_TAGS) == FLATTEN_TAGS);
|
|
mTags = new HashSet<String>();
|
|
if (hasFlattenedTags) {
|
|
mTags.add(in.readString());
|
|
} else {
|
|
String[] tagsArray = in.readStringArray();
|
|
for (int i = tagsArray.length - 1 ; i >= 0 ; i--) {
|
|
mTags.add(tagsArray[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
/** @hide */
|
|
public static final Parcelable.Creator<AudioAttributes> CREATOR
|
|
= new Parcelable.Creator<AudioAttributes>() {
|
|
/**
|
|
* Rebuilds an AudioAttributes previously stored with writeToParcel().
|
|
* @param p Parcel object to read the AudioAttributes from
|
|
* @return a new AudioAttributes created from the data in the parcel
|
|
*/
|
|
public AudioAttributes createFromParcel(Parcel p) {
|
|
return new AudioAttributes(p);
|
|
}
|
|
public AudioAttributes[] newArray(int size) {
|
|
return new AudioAttributes[size];
|
|
}
|
|
};
|
|
|
|
/** @hide */
|
|
@Override
|
|
public String toString () {
|
|
return new String("AudioAttributes:"
|
|
+ " usage=" + mUsage
|
|
+ " content=" + mContentType
|
|
+ " flags=0x" + Integer.toHexString(mFlags).toUpperCase()
|
|
+ " tags=" + mTags);
|
|
}
|
|
|
|
/** @hide */
|
|
public String usageToString() {
|
|
switch(mUsage) {
|
|
case USAGE_UNKNOWN:
|
|
return new String("USAGE_UNKNOWN");
|
|
case USAGE_MEDIA:
|
|
return new String("USAGE_MEDIA");
|
|
case USAGE_VOICE_COMMUNICATION:
|
|
return new String("USAGE_VOICE_COMMUNICATION");
|
|
case USAGE_VOICE_COMMUNICATION_SIGNALLING:
|
|
return new String("USAGE_VOICE_COMMUNICATION");
|
|
case USAGE_ALARM:
|
|
return new String("USAGE_ALARM");
|
|
case USAGE_NOTIFICATION:
|
|
return new String("USAGE_NOTIFICATION");
|
|
case USAGE_NOTIFICATION_TELEPHONY_RINGTONE:
|
|
return new String("USAGE_NOTIFICATION");
|
|
case USAGE_NOTIFICATION_COMMUNICATION_REQUEST:
|
|
return new String("USAGE_NOTIFICATION");
|
|
case USAGE_NOTIFICATION_COMMUNICATION_INSTANT:
|
|
return new String("USAGE_NOTIFICATION_COMMUNICATION_INSTANT");
|
|
case USAGE_NOTIFICATION_COMMUNICATION_DELAYED:
|
|
return new String("USAGE_NOTIFICATION_COMMUNICATION_DELAYED");
|
|
case USAGE_NOTIFICATION_EVENT:
|
|
return new String("USAGE_NOTIFICATION_EVENT");
|
|
case USAGE_ASSISTANCE_ACCESSIBILITY:
|
|
return new String("USAGE_ASSISTANCE_ACCESSIBILITY");
|
|
case USAGE_ASSISTANCE_NAVIGATION_GUIDANCE:
|
|
return new String("USAGE_ASSISTANCE_NAVIGATION_GUIDANCE");
|
|
case USAGE_ASSISTANCE_SONIFICATION:
|
|
return new String("USAGE_ASSISTANCE_SONIFICATION");
|
|
case USAGE_GAME:
|
|
return new String("USAGE_GAME");
|
|
default:
|
|
return new String("unknown usage " + mUsage);
|
|
}
|
|
}
|
|
|
|
/** @hide */
|
|
public static int toLegacyStreamType(AudioAttributes aa) {
|
|
// flags to stream type mapping
|
|
if ((aa.getFlags() & FLAG_AUDIBILITY_ENFORCED) == FLAG_AUDIBILITY_ENFORCED) {
|
|
return AudioSystem.STREAM_SYSTEM_ENFORCED;
|
|
}
|
|
if ((aa.getFlags() & FLAG_SCO) == FLAG_SCO) {
|
|
return AudioSystem.STREAM_BLUETOOTH_SCO;
|
|
}
|
|
|
|
// usage to stream type mapping
|
|
switch (aa.getUsage()) {
|
|
case USAGE_MEDIA:
|
|
case USAGE_GAME:
|
|
case USAGE_ASSISTANCE_ACCESSIBILITY:
|
|
case USAGE_ASSISTANCE_NAVIGATION_GUIDANCE:
|
|
return AudioSystem.STREAM_MUSIC;
|
|
case USAGE_ASSISTANCE_SONIFICATION:
|
|
return AudioSystem.STREAM_SYSTEM;
|
|
case USAGE_VOICE_COMMUNICATION:
|
|
return AudioSystem.STREAM_VOICE_CALL;
|
|
case USAGE_VOICE_COMMUNICATION_SIGNALLING:
|
|
return AudioSystem.STREAM_DTMF;
|
|
case USAGE_ALARM:
|
|
return AudioSystem.STREAM_ALARM;
|
|
case USAGE_NOTIFICATION_TELEPHONY_RINGTONE:
|
|
return AudioSystem.STREAM_RING;
|
|
case USAGE_NOTIFICATION:
|
|
case USAGE_NOTIFICATION_COMMUNICATION_REQUEST:
|
|
case USAGE_NOTIFICATION_COMMUNICATION_INSTANT:
|
|
case USAGE_NOTIFICATION_COMMUNICATION_DELAYED:
|
|
case USAGE_NOTIFICATION_EVENT:
|
|
return AudioSystem.STREAM_NOTIFICATION;
|
|
case USAGE_UNKNOWN:
|
|
default:
|
|
return AudioSystem.STREAM_MUSIC;
|
|
}
|
|
}
|
|
|
|
/** @hide */
|
|
@IntDef({
|
|
USAGE_UNKNOWN,
|
|
USAGE_MEDIA,
|
|
USAGE_VOICE_COMMUNICATION,
|
|
USAGE_VOICE_COMMUNICATION_SIGNALLING,
|
|
USAGE_ALARM,
|
|
USAGE_NOTIFICATION,
|
|
USAGE_NOTIFICATION_TELEPHONY_RINGTONE,
|
|
USAGE_NOTIFICATION_COMMUNICATION_REQUEST,
|
|
USAGE_NOTIFICATION_COMMUNICATION_INSTANT,
|
|
USAGE_NOTIFICATION_COMMUNICATION_DELAYED,
|
|
USAGE_NOTIFICATION_EVENT,
|
|
USAGE_ASSISTANCE_ACCESSIBILITY,
|
|
USAGE_ASSISTANCE_NAVIGATION_GUIDANCE,
|
|
USAGE_ASSISTANCE_SONIFICATION,
|
|
USAGE_GAME
|
|
})
|
|
@Retention(RetentionPolicy.SOURCE)
|
|
public @interface AttributeUsage {}
|
|
|
|
/** @hide */
|
|
@IntDef({
|
|
CONTENT_TYPE_UNKNOWN,
|
|
CONTENT_TYPE_SPEECH,
|
|
CONTENT_TYPE_MUSIC,
|
|
CONTENT_TYPE_MOVIE,
|
|
CONTENT_TYPE_SONIFICATION
|
|
})
|
|
@Retention(RetentionPolicy.SOURCE)
|
|
public @interface AttributeContentType {}
|
|
}
|