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 isRotated(FilmstripItem filmstripItem)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 loadRotationMetadata(final FilmstripItem data)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