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Commit 43a78de2 authored by Eric Laurent's avatar Eric Laurent Committed by Jean-Michel Trivi
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AudioManager: Add getAudioHwSyncForSession() API 

Add a public API to get a HW A/V sync ID for a given
audio session.

Bug: 161929047
Test: atest AudioManagerTest#testGetAudioHwSyncForSession
Change-Id: I71d838adb7cd1b655f8daa9c1594f9f83cb89f6b
parent 4fc10841

api/current.txt

+1 −0
Original line number Diff line number Diff line
@@ -24207,6 +24207,7 @@ package android.media { 
    method @NonNull public java.util.List<android.media.AudioPlaybackConfiguration> getActivePlaybackConfigurations();

    method @NonNull public java.util.List<android.media.AudioRecordingConfiguration> getActiveRecordingConfigurations();

    method public int getAllowedCapturePolicy();

    method public int getAudioHwSyncForSession(int);

    method public android.media.AudioDeviceInfo[] getDevices(int);

    method public java.util.List<android.media.MicrophoneInfo> getMicrophones() throws java.io.IOException;

    method public int getMode();

media/java/android/media/AudioManager.java

+18 −0
Original line number Diff line number Diff line
@@ -6200,6 +6200,24 @@ public class AudioManager { 
        }

    }





    /**

     * Retrieves the Hardware A/V synchronization ID corresponding to the given audio session ID.

     * For more details on Hardware A/V synchronization please refer to

     *  <a href="https://source.android.com/devices/tv/multimedia-tunneling/">

     * media tunneling documentation</a>.

     * @param sessionId the audio session ID for which the HW A/V sync ID is retrieved.

     * @return the HW A/V sync ID for this audio session (an integer different from 0).

     * @throws UnsupportedOperationException if HW A/V synchronization is not supported.

     */

    public int getAudioHwSyncForSession(int sessionId) {

        int hwSyncId = AudioSystem.getAudioHwSyncForSession(sessionId);

        if (hwSyncId == AudioSystem.AUDIO_HW_SYNC_INVALID) {

            throw new UnsupportedOperationException("HW A/V synchronization is not supported.");

        }

        return hwSyncId;

    }



    //---------------------------------------------------------

    // Inner classes

    //--------------------

non-updatable-api/current.txt

+1 −0
Original line number Diff line number Diff line
@@ -24189,6 +24189,7 @@ package android.media { 
    method @NonNull public java.util.List<android.media.AudioPlaybackConfiguration> getActivePlaybackConfigurations();

    method @NonNull public java.util.List<android.media.AudioRecordingConfiguration> getActiveRecordingConfigurations();

    method public int getAllowedCapturePolicy();

    method public int getAudioHwSyncForSession(int);

    method public android.media.AudioDeviceInfo[] getDevices(int);

    method public java.util.List<android.media.MicrophoneInfo> getMicrophones() throws java.io.IOException;

    method public int getMode();