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      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 
     31     public SimpleCaptureStream(Surface surface) {
     32         mSurface = surface;
     33     }
     34 
     35     @Override
     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