| /* |
| * Copyright (C) 2013 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; |
| |
| /** |
| * Structure that groups a position in frame units relative to an assumed audio stream, |
| * together with the estimated time when that frame was presented or is committed to be |
| * presented. |
| * In the case of audio output, "present" means that audio produced on device |
| * is detectable by an external observer off device. |
| * The time is based on the implementation's best effort, using whatever knowledge |
| * is available to the system, but cannot account for any delay unknown to the implementation. |
| * |
| * @see AudioTrack#getTimestamp |
| */ |
| public final class AudioTimestamp |
| { |
| /** |
| * Position in frames relative to start of an assumed audio stream. |
| * The low-order 32 bits of position is in wrapping frame units similar to |
| * {@link AudioTrack#getPlaybackHeadPosition}. |
| */ |
| public long framePosition; |
| |
| /** |
| * The estimated time when frame was presented or is committed to be presented, |
| * in the same units and timebase as {@link java.lang.System#nanoTime}. |
| */ |
| public long nanoTime; |
| } |