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      1 /*
      2  * Copyright (C) 2015 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.data;
     18 
     19 import android.media.MediaMetadataRetriever;
     20 
     21 import com.android.camera.debug.Log;
     22 
     23 public class VideoRotationMetadataLoader {
     24     private static final Log.Tag TAG = new Log.Tag("VidRotDataLoader");
     25 
     26     private static final String ROTATE_90 = "90";
     27     private static final String ROTATE_270 = "270";
     28 
     29     static boolean isRotated(FilmstripItem filmstripItem) {
     30         final String rotation = filmstripItem.getMetadata().getVideoOrientation();
     31         return ROTATE_90.equals(rotation) || ROTATE_270.equals(rotation);
     32     }
     33 
     34     static boolean loadRotationMetadata(final FilmstripItem data) {
     35         final String path = data.getData().getFilePath();
     36         MediaMetadataRetriever retriever = new MediaMetadataRetriever();
     37         try {
     38             retriever.setDataSource(path);
     39             data.getMetadata().setVideoOrientation(retriever.extractMetadata(
     40                 MediaMetadataRetriever.METADATA_KEY_VIDEO_ROTATION));
     41 
     42             String val = retriever.extractMetadata(
     43                     MediaMetadataRetriever.METADATA_KEY_VIDEO_WIDTH);
     44 
     45             data.getMetadata().setVideoWidth(Integer.parseInt(val));
     46 
     47             val = retriever.extractMetadata(
     48                     MediaMetadataRetriever.METADATA_KEY_VIDEO_HEIGHT);
     49 
     50             data.getMetadata().setVideoHeight(Integer.parseInt(val));
     51         } catch (RuntimeException ex) {
     52             // setDataSource() can cause RuntimeException beyond
     53             // IllegalArgumentException. e.g: data contain *.avi file.
     54             Log.e(TAG, "MediaMetdataRetriever.setDataSource() fail", ex);
     55         }
     56         return true;
     57     }
     58 }
     59