1d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd/* 2d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Copyright (C) 2015 The Android Open Source Project 3d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * 4d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Licensed under the Apache License, Version 2.0 (the "License"); 5d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * you may not use this file except in compliance with the License. 6d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * You may obtain a copy of the License at 7d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * 8d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * http://www.apache.org/licenses/LICENSE-2.0 9d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * 10d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Unless required by applicable law or agreed to in writing, software 11d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * distributed under the License is distributed on an "AS IS" BASIS, 12d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * See the License for the specific language governing permissions and 14d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * limitations under the License. 15d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd */ 16d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddpackage com.android.messaging.util; 17d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 18d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.content.ContentResolver; 19d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.content.res.AssetFileDescriptor; 20d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.graphics.Bitmap; 21d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.media.MediaMetadataRetriever; 22d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.net.Uri; 23d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.text.TextUtils; 24d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 25d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport com.android.messaging.Factory; 26d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 27d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport java.io.IOException; 28d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 29d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd/** 30d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Convenience wrapper for {@link MediaMetadataRetriever} to help with its eccentric error handling. 31d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd */ 32d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddpublic class MediaMetadataRetrieverWrapper { 33d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd private final MediaMetadataRetriever mRetriever = new MediaMetadataRetriever(); 34d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 35d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public MediaMetadataRetrieverWrapper() { 36d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 37d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 38d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public void setDataSource(Uri uri) throws IOException { 39d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd ContentResolver resolver = Factory.get().getApplicationContext().getContentResolver(); 40d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd AssetFileDescriptor fd = resolver.openAssetFileDescriptor(uri, "r"); 41d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd if (fd == null) { 42d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd throw new IOException("openAssetFileDescriptor returned null for " + uri); 43d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 44d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd try { 45d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd mRetriever.setDataSource(fd.getFileDescriptor()); 46d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } catch (RuntimeException e) { 47d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd release(); 48d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd throw new IOException(e); 49d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } finally { 50d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd fd.close(); 51d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 52d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 53d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 54d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public int extractInteger(final int key, final int defaultValue) { 55d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final String s = mRetriever.extractMetadata(key); 56d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd if (TextUtils.isEmpty(s)) { 57d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd return defaultValue; 58d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 59d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd return Integer.parseInt(s); 60d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 61d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 62d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public String extractMetadata(final int key) { 63d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd return mRetriever.extractMetadata(key); 64d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 65d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 66d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public Bitmap getFrameAtTime() { 67d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd return mRetriever.getFrameAtTime(); 68d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 69d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 70d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public Bitmap getFrameAtTime(final long timeUs) { 71d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd return mRetriever.getFrameAtTime(timeUs); 72d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 73d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 74d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public void release() { 75d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd try { 76d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd mRetriever.release(); 77d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } catch (RuntimeException e) { 78d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd LogUtil.e(LogUtil.BUGLE_TAG, "MediaMetadataRetriever.release failed", e); 79d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 80d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 81d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd} 82