1 /*
2  * Copyright (C) 2014 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.camera.one.v2.common;
18 
19 import android.view.Surface;
20 
21 import com.android.camera.async.BufferQueue;
22 import com.android.camera.one.v2.core.CaptureStream;
23 
24 /**
25  * A {@link CaptureStream} which just registers a {@link Surface} without
26  * providing any filtering of the images output to it.
27  */
28 public class SimpleCaptureStream implements CaptureStream {
29     private final Surface mSurface;
30 
SimpleCaptureStream(Surface surface)31     public SimpleCaptureStream(Surface surface) {
32         mSurface = surface;
33     }
34 
35     @Override
bind(BufferQueue<Long> timestamps)36     public Surface bind(BufferQueue<Long> timestamps) throws InterruptedException {
37         // Close the stream to avoid leaking the timestamp for every image of a
38         // repeating request.
39         timestamps.close();
40         return mSurface;
41     }
42 }
43