Android example source code file (MediaMetadataTest.java)

This example Android source code file (MediaMetadataTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

album, android, artist, author, composer, date, exception, failed, media, mediametadataretriever, mediumtest, mp3_test_file, photo, sound, string, suppress, test, title, video, writer

The MediaMetadataTest.java Android example source code

/*
 * Copyright (C) 2008 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.mediaframeworktest.functional;

import android.media.MediaMetadataRetriever;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.MediumTest;
import android.test.suitebuilder.annotation.Suppress;
import android.util.Log;

import com.android.mediaframeworktest.MediaNames;
import com.android.mediaframeworktest.MediaProfileReader;
/**
 * This metadata test suite test the basic functionality of the 
 * MediaMetadataRetriever
 * 
 */
public class MediaMetadataTest extends AndroidTestCase {
    
    private static final String TAG = "MediaMetadataTest";

    public static enum METADATA_EXPECTEDRESULT{
        FILE_PATH,CD_TRACK, ALBUM,
        ARTIST, AUTHOR, COMPOSER,
        DATE, GENRE, TITLE,
        YEAR, DURATION, NUM_TRACKS, WRITER
    }
    
    public static enum MP3_TEST_FILE{
        ID3V1V2, ID3V2, ID3V1,
        CORRUPTED_ID3V1, CORRUPTED_ID3V2_TALB, CORRUPTED_ID3V2_TCOM,
        CORRUPTED_ID3V2_TCOM_2, CORRUPTED_ID3V2_TRCK, CORRUPTED_D3V2_TRCK_2,
        CORRUPTED_ID3V2_TYER, CORRUPTED_ID3V2_TYER_2, CORRUPTED_ID3V2_TIT
    }
    
    public static enum NON_MP3_TEST_FILE{
         THREE3GP, AMRNB, AMRWB, M4A1, M4V, MIDI,
         H264, OGG1, OGG2, WAV, WMA9, WMA10, WMV9, WMV7
    }
    
    public static METADATA_EXPECTEDRESULT meta;
    public static MP3_TEST_FILE mp3_test_file;
    public static NON_MP3_TEST_FILE non_mp3_test_file;
   
    @MediumTest
    public static void testID3V1V2Metadata() throws Exception {
        validateMetatData(mp3_test_file.ID3V1V2.ordinal(), MediaNames.META_DATA_MP3);
    }
    
    @MediumTest
    public static void testID3V2Metadata() throws Exception {
        validateMetatData(mp3_test_file.ID3V2.ordinal(), MediaNames.META_DATA_MP3);
    }
    
    @MediumTest
    public static void testID3V1Metadata() throws Exception {
        validateMetatData(mp3_test_file.ID3V1.ordinal(), MediaNames.META_DATA_MP3);
    }
    
    @MediumTest
    public static void testCorruptedID3V1Metadata() throws Exception {
        validateMetatData(mp3_test_file.CORRUPTED_ID3V1.ordinal(), MediaNames.META_DATA_MP3);
    }

    @MediumTest
    public static void testCorrupted_ID3V2_TALBMetadata() throws Exception {
        validateMetatData(mp3_test_file.CORRUPTED_ID3V2_TALB.ordinal(), MediaNames.META_DATA_MP3);
    }
    
    @MediumTest
    public static void testCorrupted_ID3V2_TCOMMetadata() throws Exception {
        validateMetatData(mp3_test_file.CORRUPTED_ID3V2_TCOM.ordinal(), MediaNames.META_DATA_MP3);
    }
    
    @MediumTest
    public static void testCorrupted_ID3V2_TCOMM2etadata() throws Exception {
        validateMetatData(mp3_test_file.CORRUPTED_ID3V2_TCOM_2.ordinal(), MediaNames.META_DATA_MP3);
    }
    
    @MediumTest
    public static void testCorrupted_ID3V2_TRCKMetadata() throws Exception {
        validateMetatData(mp3_test_file.CORRUPTED_ID3V2_TRCK.ordinal(), MediaNames.META_DATA_MP3);
    }
    
    @MediumTest
    public static void testCorrupted_ID3V2_TRCK2Metadata() throws Exception {
        validateMetatData(mp3_test_file.CORRUPTED_D3V2_TRCK_2.ordinal(), MediaNames.META_DATA_MP3);
    }
   
    @MediumTest
    public static void testCorrupted_ID3V2_TYERMetadata() throws Exception {
        validateMetatData(mp3_test_file.CORRUPTED_ID3V2_TYER.ordinal(), MediaNames.META_DATA_MP3);
    }
    
    @MediumTest
    public static void testCorrupted_ID3V2_TYER2Metadata() throws Exception {
        validateMetatData(mp3_test_file.CORRUPTED_ID3V2_TYER_2.ordinal(), MediaNames.META_DATA_MP3);
    }
    
    @MediumTest
    public static void testCorrupted_ID3V2_TITMetadata() throws Exception {
        validateMetatData(mp3_test_file.CORRUPTED_ID3V2_TIT.ordinal(), MediaNames.META_DATA_MP3);
    }
   
    @MediumTest
    public static void test3gp_Metadata() throws Exception {
        validateMetatData(non_mp3_test_file.THREE3GP.ordinal(), MediaNames.META_DATA_OTHERS);
    }
    
    @MediumTest
    public static void testAmr_Metadata() throws Exception {
        validateMetatData(non_mp3_test_file.AMRNB.ordinal(), MediaNames.META_DATA_OTHERS);
    }
    
    @MediumTest
    public static void testAmrWb_Metadata() throws Exception {
        validateMetatData(non_mp3_test_file.AMRWB.ordinal(), MediaNames.META_DATA_OTHERS);
    }
    
    @MediumTest
    public static void testM4A1_Metadata() throws Exception {
        validateMetatData(non_mp3_test_file.M4A1.ordinal(), MediaNames.META_DATA_OTHERS);
    }
    
    @MediumTest
    public static void testM4v_Metadata() throws Exception {
        validateMetatData(non_mp3_test_file.M4V.ordinal(), MediaNames.META_DATA_OTHERS);
    }
    
    @MediumTest
    public static void testH264_Metadata() throws Exception {
        validateMetatData(non_mp3_test_file.H264.ordinal(), MediaNames.META_DATA_OTHERS);
    }
    //bug# 1440489
    @Suppress
    @MediumTest
    public static void testOgg1_Metadata() throws Exception {
        validateMetatData(non_mp3_test_file.OGG1.ordinal(), MediaNames.META_DATA_OTHERS);
    }
    
    @Suppress
    @MediumTest
    public static void testOgg2_Metadata() throws Exception {
        validateMetatData(non_mp3_test_file.OGG2.ordinal(), MediaNames.META_DATA_OTHERS);
    }
    
    @Suppress
    @MediumTest
    public static void testMidi_Metadata() throws Exception {
        validateMetatData(non_mp3_test_file.MIDI.ordinal(), MediaNames.META_DATA_OTHERS);
    }
    
    @MediumTest
    public static void testWav_Metadata() throws Exception {
        validateMetatData(non_mp3_test_file.WAV.ordinal(), MediaNames.META_DATA_OTHERS);
    }
    
    @Suppress
    @MediumTest
    public static void testWma9_Metadata() throws Exception {
        validateMetatData(non_mp3_test_file.WMA9.ordinal(), MediaNames.META_DATA_OTHERS);
    }
    
    @Suppress
    @MediumTest
    public static void testWma10_Metadata() throws Exception {
        validateMetatData(non_mp3_test_file.WMA10.ordinal(), MediaNames.META_DATA_OTHERS);
    }
    
    @Suppress
    @MediumTest
    public static void testWmv9_Metadata() throws Exception {
        validateMetatData(non_mp3_test_file.WMV9.ordinal(), MediaNames.META_DATA_OTHERS);
    }
    
    @Suppress
    @MediumTest
    public static void testWmv10_Metadata() throws Exception {
        validateMetatData(non_mp3_test_file.WMV7.ordinal(), MediaNames.META_DATA_OTHERS);
    }
     
    private static void validateMetatData(int fileIndex, String meta_data_file[][]) {
        Log.v(TAG, "filePath = "+ meta_data_file[fileIndex][0]);
        if ((meta_data_file[fileIndex][0].endsWith("wma") && !MediaProfileReader.getWMAEnable()) ||
            (meta_data_file[fileIndex][0].endsWith("wmv") && !MediaProfileReader.getWMVEnable())) {
            Log.v(TAG, "Skip test since windows media is not supported");
            return;
        }
        String value = null;
        MediaMetadataRetriever retriever = new MediaMetadataRetriever();
        retriever.setMode(MediaMetadataRetriever.MODE_GET_METADATA_ONLY);
        try {
            retriever.setDataSource(meta_data_file[fileIndex][0]);
        } catch(Exception e) {
            Log.v(TAG, "Failed: "+meta_data_file[fileIndex][0] + " " + e.toString());
            //Set the test case failure whenever it failed to setDataSource
            assertTrue("Failed to setDataSource ", false);
        }
        
        //METADATA_KEY_CD_TRACK_NUMBER should return the TCRK value
        value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_CD_TRACK_NUMBER);
        Log.v(TAG, "CD_TRACK_NUMBER : " + value);
        assertEquals(TAG, meta_data_file[fileIndex][meta.CD_TRACK.ordinal()], value);
       
        value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_ALBUM);
        Log.v(TAG, "Album : "+ value);
        assertEquals(TAG, meta_data_file[fileIndex][meta.ALBUM.ordinal()], value); 
        
        value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_ARTIST);
        Log.v(TAG, "Artist : "+ value);
        assertEquals(TAG, meta_data_file[fileIndex][meta.ARTIST.ordinal()], value);
        
        value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_AUTHOR);
        Log.v(TAG, "Author : "+ value);
        assertEquals(TAG, meta_data_file[fileIndex][meta.AUTHOR.ordinal()], value);
        
        value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_COMPOSER);
        Log.v(TAG, "Composer : "+ value);
        assertEquals(TAG, meta_data_file[fileIndex][meta.COMPOSER.ordinal()], value);
        
        value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DATE);
        Log.v(TAG, "Date : "+ value);
        assertEquals(TAG, meta_data_file[fileIndex][meta.DATE.ordinal()], value);
        
        value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_GENRE);
        Log.v(TAG, "Genre : "+ value);
        assertEquals(TAG, meta_data_file[fileIndex][meta.GENRE.ordinal()], value);
        
        value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_TITLE);
        Log.v(TAG, "Title : "+ value);
        assertEquals(TAG, meta_data_file[fileIndex][meta.TITLE.ordinal()], value);
        
        value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_YEAR);
        Log.v(TAG, "Year : "+ value);
        assertEquals(TAG, meta_data_file[fileIndex][meta.YEAR.ordinal()], value);
        
        value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION);
        Log.v(TAG, "Expected = " + meta_data_file[fileIndex][meta.DURATION.ordinal()] + "reult = " + value);
        // Only require that the returned duration is within 100ms of the expected
        // one as PV and stagefright differ slightly in their implementation.
        assertTrue(TAG, Math.abs(Integer.parseInt(
                        meta_data_file[fileIndex][meta.DURATION.ordinal()])
                            - Integer.parseInt(value)) < 100);
        
        //METADATA_KEY_NUM_TRACKS should return the total number of tracks in the media
        //include the video and audio
        value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_NUM_TRACKS);
        Log.v(TAG, "Track : "+ value);
        assertEquals(TAG,meta_data_file[fileIndex][meta.NUM_TRACKS.ordinal()], value);
     
        value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_WRITER);
        Log.v(TAG, "Writer : "+ value);
        assertEquals(TAG,meta_data_file[fileIndex][meta.WRITER.ordinal()], value);

        retriever.release();        
    }
}