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Commit ee36c199 authored by Jiabin Huang's avatar Jiabin Huang Committed by Automerger Merge Worker
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Merge "Update doc for mixer attributes related API." into udc-dev am: 25f63b50 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21529711



Change-Id: Idb1791fa0a4f53fdf618a1414c535e4c04c5052f
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 16bf902b 25f63b50

media/java/android/media/AudioManager.java

+6 −6
Original line number Diff line number Diff line
@@ -9224,11 +9224,12 @@ public class AudioManager { 
    // Preferred mixer attributes



    /**

     * Returns the {@link AudioMixerAttributes} that can be used to set as preferred mixe

     * Returns the {@link AudioMixerAttributes} that can be used to set as preferred mixer

     * attributes via {@link #setPreferredMixerAttributes(

     * AudioAttributes, AudioDeviceInfo, AudioMixerAttributes)}.

     * <p>Note that only USB devices are guaranteed to expose configurable mixer attributes, the

     * returned list may be empty when devices do not allow dynamic configuration.

     * <p>Note that only USB devices are guaranteed to expose configurable mixer attributes. An

     * empty list may be returned for all other types of devices as they may not allow dynamic

     * configuration.

     *

     * @param device the device to query

     * @return a list of {@link AudioMixerAttributes} that can be used as preferred mixer attributes
@@ -9246,9 +9247,8 @@ public class AudioManager { 
    /**

     * Configures the mixer attributes for a particular {@link AudioAttributes} over a given

     * {@link AudioDeviceInfo}.

     * <p>When constructing an {@link AudioMixerAttributes} for setting preferred mixer attributes,

     * the mixer format must be constructed from an {@link AudioProfile} that can be used to set

     * preferred mixer attributes.

     * <p>Call {@link #getSupportedMixerAttributes(AudioDeviceInfo)} to determine which mixer

     * attributes can be used with the given device.

     * <p>The ownership of preferred mixer attributes is recognized by uid. When a playback from the

     * same uid is routed to the given audio device when calling this API, the output mixer/stream

     * will be configured with the values previously set via this API.