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Commit 898e1e88 authored by Dan Morrill's avatar Dan Morrill
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Adding a feature to indicate that the device possesses low-latency audio. 

The specific criteria for low-latency audio are defined in the CDD, but since
that hasn't yet been settled for Gingerbread, this change doesn't go into
details. We can do a docs change later once GB CDD is final.

Change-Id: Ic5ad9d04e8ecd78c81b6f09439affec6bf8cb9b2
parent 8f5a1211

api/current.xml

+11 −0
Original line number Diff line number Diff line
@@ -48899,6 +48899,17 @@ 
 visibility="public"

>

</field>

<field name="FEATURE_AUDIO_LOW_LATENCY"

 type="java.lang.String"

 transient="false"

 volatile="false"

 value="&quot;android.hardware.audio.low_latency&quot;"

 static="true"

 final="true"

 deprecated="not deprecated"

 visibility="public"

>

</field>

<field name="FEATURE_BLUETOOTH"

 type="java.lang.String"

 transient="false"

core/java/android/content/pm/PackageManager.java

+9 −0
Original line number Diff line number Diff line
@@ -634,6 +634,15 @@ public abstract class PackageManager { 
     */

    public static final int MOVE_EXTERNAL_MEDIA = 0x00000002;



    /**

     * Feature for {@link #getSystemAvailableFeatures} and

     * {@link #hasSystemFeature}: The device's audio pipeline is low-latency,

     * more suitable for audio applications sensitive to delays or lag in

     * sound input or output.

     */

    @SdkConstant(SdkConstantType.FEATURE)

    public static final String FEATURE_AUDIO_LOW_LATENCY = "android.hardware.audio.low_latency";



    /**

     * Feature for {@link #getSystemAvailableFeatures} and

     * {@link #hasSystemFeature}: The device is capable of communicating with

data/etc/android.hardware.audio.low_latency.xml

0 → 100644
+22 −0
Original line number Diff line number Diff line 
<?xml version="1.0" encoding="utf-8"?>

<!-- Copyright (C) 2010 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.

-->



<!-- This is the feature indicating low-latency audio, as specified by the

     CDD. ONLY devices that meet the CDD's requirements may declare this

     feature. -->

<permissions>

    <feature name="android.hardware.audio.low_latency" />

</permissions>

data/etc/handheld_core_hardware.xml

+3 −0
Original line number Diff line number Diff line
@@ -57,4 +57,7 @@ 
         android.hardware.sensor.proximity.xml -->

    <!-- GSM phones must also include android.hardware.telephony.gsm.xml -->

    <!-- CDMA phones must also include android.hardware.telephony.cdma.xml -->

    <!-- Devices that have low-latency audio stacks suitable for apps like

         VoIP may include android.hardware.audio.low_latency.xml. ONLY apps

         that meet the requirements specified in the CDD may include this. -->

</permissions>