1/* 2 * Copyright (C) 2008 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 17package com.android.mediaframeworktest.unit; 18 19import android.util.Log; 20import android.media.MediaMetadataRetriever; 21import android.graphics.Bitmap; 22import java.io.FileOutputStream; 23import android.test.AndroidTestCase; 24import com.android.mediaframeworktest.MediaNames; 25import com.android.mediaframeworktest.MediaProfileReader; 26import android.test.suitebuilder.annotation.*; 27 28public class MediaMetadataRetrieverTest extends AndroidTestCase { 29 30 private static final String TAG = "MediaMetadataRetrieverTest"; 31 32 // Test album art extraction. 33 @MediumTest 34 public static void testGetEmbeddedPicture() throws Exception { 35 Log.v(TAG, "testGetEmbeddedPicture starts."); 36 MediaMetadataRetriever retriever = new MediaMetadataRetriever(); 37 boolean supportWMA = MediaProfileReader.getWMAEnable(); 38 boolean hasFailed = false; 39 boolean supportWMV = MediaProfileReader.getWMVEnable(); 40 for (int i = 0, n = MediaNames.ALBUMART_TEST_FILES.length; i < n; ++i) { 41 try { 42 Log.v(TAG, "File " + i + ": " + MediaNames.ALBUMART_TEST_FILES[i]); 43 if ((MediaNames.ALBUMART_TEST_FILES[i].endsWith(".wma") && !supportWMA) || 44 (MediaNames.ALBUMART_TEST_FILES[i].endsWith(".wmv") && !supportWMV) 45 ) { 46 Log.v(TAG, "windows media is not supported and thus we will skip the test for this file"); 47 continue; 48 } 49 retriever.setDataSource(MediaNames.ALBUMART_TEST_FILES[i]); 50 byte[] albumArt = retriever.getEmbeddedPicture(); 51 52 // TODO: 53 // A better test would be to compare the retrieved album art with the 54 // known result. 55 if (albumArt == null) { // Do we have expect in JUnit? 56 Log.e(TAG, "Fails to get embedded picture for " + MediaNames.ALBUMART_TEST_FILES[i]); 57 hasFailed = true; 58 } 59 } catch(Exception e) { 60 Log.e(TAG, "Fails to setDataSource for " + MediaNames.ALBUMART_TEST_FILES[i]); 61 hasFailed = true; 62 } 63 Thread.yield(); // Don't be evil 64 } 65 retriever.release(); 66 Log.v(TAG, "testGetEmbeddedPicture completes."); 67 assertTrue(!hasFailed); 68 } 69 70 // Test frame capture 71 @LargeTest 72 public static void testThumbnailCapture() throws Exception { 73 MediaMetadataRetriever retriever = new MediaMetadataRetriever(); 74 boolean supportWMA = MediaProfileReader.getWMAEnable(); 75 boolean supportWMV = MediaProfileReader.getWMVEnable(); 76 boolean hasFailed = false; 77 Log.v(TAG, "Thumbnail processing starts"); 78 long startedAt = System.currentTimeMillis(); 79 for(int i = 0, n = MediaNames.THUMBNAIL_METADATA_TEST_FILES.length; i < n; ++i) { 80 try { 81 Log.v(TAG, "File " + i + ": " + MediaNames.THUMBNAIL_METADATA_TEST_FILES[i]); 82 if ((MediaNames.THUMBNAIL_METADATA_TEST_FILES[i].endsWith(".wma") && !supportWMA) || 83 (MediaNames.THUMBNAIL_METADATA_TEST_FILES[i].endsWith(".wmv") && !supportWMV) 84 ) { 85 Log.v(TAG, "windows media is not supported and thus we will skip the test for this file"); 86 continue; 87 } 88 retriever.setDataSource(MediaNames.THUMBNAIL_METADATA_TEST_FILES[i]); 89 Bitmap bitmap = retriever.getFrameAtTime(-1); 90 assertTrue(bitmap != null); 91 try { 92 java.io.OutputStream stream = new FileOutputStream(MediaNames.THUMBNAIL_METADATA_TEST_FILES[i] + ".jpg"); 93 bitmap.compress(Bitmap.CompressFormat.JPEG, 75, stream); 94 stream.close(); 95 } catch (Exception e) { 96 Log.e(TAG, "Fails to convert the bitmap to a JPEG file for " + MediaNames.THUMBNAIL_METADATA_TEST_FILES[i]); 97 hasFailed = true; 98 Log.e(TAG, e.toString()); 99 } 100 } catch(Exception e) { 101 Log.e(TAG, "Fails to setDataSource for file " + MediaNames.THUMBNAIL_METADATA_TEST_FILES[i]); 102 hasFailed = true; 103 } 104 Thread.yield(); // Don't be evil 105 } 106 long endedAt = System.currentTimeMillis(); 107 retriever.release(); 108 assertTrue(!hasFailed); 109 Log.v(TAG, "Average processing time per thumbnail: " + (endedAt - startedAt)/MediaNames.THUMBNAIL_METADATA_TEST_FILES.length + " ms"); 110 } 111 112 @LargeTest 113 public static void testMetadataRetrieval() throws Exception { 114 boolean supportWMA = MediaProfileReader.getWMAEnable(); 115 boolean supportWMV = MediaProfileReader.getWMVEnable(); 116 boolean hasFailed = false; 117 MediaMetadataRetriever retriever = new MediaMetadataRetriever(); 118 for(int i = 0, n = MediaNames.THUMBNAIL_METADATA_TEST_FILES.length; i < n; ++i) { 119 try { 120 Log.v(TAG, "File " + i + ": " + MediaNames.THUMBNAIL_METADATA_TEST_FILES[i]); 121 if ((MediaNames.THUMBNAIL_METADATA_TEST_FILES[i].endsWith(".wma") && !supportWMA) || 122 (MediaNames.THUMBNAIL_METADATA_TEST_FILES[i].endsWith(".wmv") && !supportWMV) 123 ) { 124 Log.v(TAG, "windows media is not supported and thus we will skip the test for this file"); 125 continue; 126 } 127 retriever.setDataSource(MediaNames.THUMBNAIL_METADATA_TEST_FILES[i]); 128 extractAllSupportedMetadataValues(retriever); 129 } catch(Exception e) { 130 Log.e(TAG, "Fails to setDataSource for file " + MediaNames.THUMBNAIL_METADATA_TEST_FILES[i]); 131 hasFailed = true; 132 } 133 Thread.yield(); // Don't be evil 134 } 135 retriever.release(); 136 assertTrue(!hasFailed); 137 } 138 139 // If the specified call order and valid media file is used, no exception 140 // should be thrown. 141 @MediumTest 142 public static void testBasicNormalMethodCallSequence() throws Exception { 143 boolean hasFailed = false; 144 MediaMetadataRetriever retriever = new MediaMetadataRetriever(); 145 try { 146 retriever.setDataSource(MediaNames.TEST_PATH_1); 147 Bitmap bitmap = retriever.getFrameAtTime(-1); 148 assertTrue(bitmap != null); 149 try { 150 java.io.OutputStream stream = new FileOutputStream("/sdcard/thumbnailout.jpg"); 151 bitmap.compress(Bitmap.CompressFormat.JPEG, 75, stream); 152 stream.close(); 153 } catch (Exception e) { 154 throw new Exception("Fails to convert the bitmap to a JPEG file for " + MediaNames.TEST_PATH_1, e); 155 } 156 extractAllSupportedMetadataValues(retriever); 157 } catch(Exception e) { 158 Log.e(TAG, "Fails to setDataSource for " + MediaNames.TEST_PATH_1, e); 159 hasFailed = true; 160 } 161 retriever.release(); 162 assertTrue(!hasFailed); 163 } 164 165 // If setDataSource() has not been called, both getFrameAtTime() and extractMetadata() must 166 // return null. 167 @MediumTest 168 public static void testBasicAbnormalMethodCallSequence() { 169 boolean hasFailed = false; 170 MediaMetadataRetriever retriever = new MediaMetadataRetriever(); 171 if (retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_ALBUM) != null) { 172 Log.e(TAG, "No album metadata expected, but is available"); 173 hasFailed = true; 174 } 175 if (retriever.getFrameAtTime(-1) != null) { 176 Log.e(TAG, "No frame expected, but is available"); 177 hasFailed = true; 178 } 179 assertTrue(!hasFailed); 180 } 181 182 // Test setDataSource() 183 @MediumTest 184 public static void testSetDataSource() { 185 MediaMetadataRetriever retriever = new MediaMetadataRetriever(); 186 boolean hasFailed = false; 187 188 // Null pointer argument 189 try { 190 String path = null; 191 retriever.setDataSource(path); 192 Log.e(TAG, "IllegalArgumentException failed to be thrown."); 193 hasFailed = true; 194 } catch(Exception e) { 195 if (!(e instanceof IllegalArgumentException)) { 196 Log.e(TAG, "Expected a IllegalArgumentException, but got a different exception"); 197 hasFailed = true; 198 } 199 } 200 201 // Use mem:// path 202 try { 203 retriever.setDataSource(MediaNames.TEST_PATH_5); 204 Log.e(TAG, "IllegalArgumentException failed to be thrown."); 205 hasFailed = true; 206 } catch(Exception e) { 207 if (!(e instanceof IllegalArgumentException)) { 208 Log.e(TAG, "Expected a IllegalArgumentException, but got a different exception"); 209 hasFailed = true; 210 } 211 } 212 213 // The pathname does not correspond to any existing file 214 try { 215 retriever.setDataSource(MediaNames.TEST_PATH_4); 216 Log.e(TAG, "RuntimeException failed to be thrown."); 217 hasFailed = true; 218 } catch(Exception e) { 219 if (!(e instanceof RuntimeException)) { 220 Log.e(TAG, "Expected a RuntimeException, but got a different exception"); 221 hasFailed = true; 222 } 223 } 224 225 // The pathname does correspond to a file, but this file 226 // is not a valid media file 227 try { 228 retriever.setDataSource(MediaNames.TEST_PATH_3); 229 Log.e(TAG, "RuntimeException failed to be thrown."); 230 hasFailed = true; 231 } catch(Exception e) { 232 if (!(e instanceof RuntimeException)) { 233 Log.e(TAG, "Expected a RuntimeException, but got a different exception"); 234 hasFailed = true; 235 } 236 } 237 238 retriever.release(); 239 assertTrue(!hasFailed); 240 } 241 242 // TODO: 243 // Encode and test for the correct mix of metadata elements on a per-file basis? 244 // We should be able to compare the actual returned metadata with the expected metadata 245 // with each given sample test file. 246 private static void extractAllSupportedMetadataValues(MediaMetadataRetriever retriever) { 247 String value = null; 248 Log.v(TAG, (value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_CD_TRACK_NUMBER)) == null? "not found": value); 249 Log.v(TAG, (value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION)) == null? "not found": value); 250 Log.v(TAG, (value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_NUM_TRACKS)) == null? "not found": value); 251 Log.v(TAG, (value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_ALBUM)) == null? "not found": value); 252 Log.v(TAG, (value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_ARTIST)) == null? "not found": value); 253 Log.v(TAG, (value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_AUTHOR)) == null? "not found": value); 254 Log.v(TAG, (value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_COMPOSER)) == null? "not found": value); 255 Log.v(TAG, (value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DATE)) == null? "not found": value); 256 Log.v(TAG, (value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_GENRE)) == null? "not found": value); 257 Log.v(TAG, (value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_TITLE)) == null? "not found": value); 258 Log.v(TAG, (value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_YEAR)) == null? "not found": value); 259 } 260} 261
