Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit dd73142b authored by Phil Burk's avatar Phil Burk
Browse files

AudioTrack: Add FLAG_LOW_LATENCY 



Allow Java to write directly to the FastMixer to
reduce latency.

Change-Id: I957c82ba430e7ee2780ea00ea96c1f5b23dc47f5
Bug: 21019153
Signed-off-by: default avatarPhil Burk <philburk@google.com>
parent e5480cc5

media/java/android/media/AudioAttributes.java

+11 −2
Original line number Diff line number Diff line
@@ -223,10 +223,19 @@ public final class AudioAttributes implements Parcelable { 
    @SystemApi

    public final static int FLAG_BYPASS_MUTE = 0x1 << 7;



    /**

     * @hide

     * Flag requesting a low latency path.

     * When using this flag, the sample rate must match the native sample rate

     * of the device. Effects processing is also unavailable.

     */

    public final static int FLAG_LOW_LATENCY = 0x1 << 8;



    private final static int FLAG_ALL = FLAG_AUDIBILITY_ENFORCED | FLAG_SECURE | FLAG_SCO |

            FLAG_BEACON | FLAG_HW_AV_SYNC | FLAG_HW_HOTWORD | FLAG_BYPASS_INTERRUPTION_POLICY |

            FLAG_BYPASS_MUTE;

    private final static int FLAG_ALL_PUBLIC = FLAG_AUDIBILITY_ENFORCED | FLAG_HW_AV_SYNC;

            FLAG_BYPASS_MUTE | FLAG_LOW_LATENCY;

    private final static int FLAG_ALL_PUBLIC = FLAG_AUDIBILITY_ENFORCED |

            FLAG_HW_AV_SYNC | FLAG_LOW_LATENCY;



    private int mUsage = USAGE_UNKNOWN;

    private int mContentType = CONTENT_TYPE_UNKNOWN;