org.opencastproject.composer.impl.VideoConcaternationTest.java Source code

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Here is the source code for org.opencastproject.composer.impl.VideoConcaternationTest.java

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/**
 * Licensed to The Apereo Foundation under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 *
 * The Apereo Foundation licenses this file to you under the Educational
 * Community 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://opensource.org/licenses/ecl2.txt
 *
 * 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 org.opencastproject.composer.impl;

import static org.junit.Assert.assertTrue;

import org.opencastproject.composer.api.EncodingProfile;
import org.opencastproject.composer.impl.ffmpeg.FFmpegEncoderEngine;
import org.opencastproject.util.FileSupport;
import org.opencastproject.util.IoSupport;
import org.opencastproject.util.StreamHelper;

import org.apache.commons.io.FileUtils;
import org.apache.commons.io.FilenameUtils;
import org.apache.commons.io.IOUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Ignore;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.File;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;

/**
 * Test trimming using ffmpeg.
 */
public class VideoConcaternationTest {

    /** the encoding engine */
    private FFmpegEncoderEngine engine;

    /** The temporary directory to store media files */
    private File workingDirectory = null;

    /** Encoding profiles **/
    private Map<String, EncodingProfile> profiles;

    /** True to run the tests */
    private static boolean ffmpegInstalled = true;

    /** Logging facility */
    private static final Logger logger = LoggerFactory.getLogger(VideoConcaternationTest.class);

    @BeforeClass
    public static void testOcropus() {
        StreamHelper stdout = null;
        StreamHelper stderr = null;
        Process p = null;
        try {
            p = new ProcessBuilder(FFmpegEncoderEngine.FFMPEG_BINARY_DEFAULT, "-version").start();
            stdout = new StreamHelper(p.getInputStream());
            stderr = new StreamHelper(p.getErrorStream());
            int status = p.waitFor();
            stdout.stopReading();
            stderr.stopReading();
            if (status != 0)
                throw new IllegalStateException();
        } catch (Throwable t) {
            logger.warn("Skipping image conversion tests due to unsatisifed ffmpeg installation");
            ffmpegInstalled = false;
        } finally {
            IoSupport.closeQuietly(stdout);
            IoSupport.closeQuietly(stderr);
            IoSupport.closeQuietly(p);
        }
    }

    /**
     * @throws java.lang.Exception
     */
    @Before
    public void setUp() throws Exception {
        engine = new FFmpegEncoderEngine();
        workingDirectory = FileSupport.getTempDirectory("videoconcatenationtest");
        FileUtils.forceMkdir(workingDirectory);

        URL url = EncodingProfileTest.class.getResource("/encodingprofiles.properties");
        EncodingProfileScanner mgr = new EncodingProfileScanner();
        profiles = mgr.loadFromProperties(new File(url.toURI()));
    }

    /**
     * @throws java.lang.Exception
     */
    @After
    public void tearDown() throws Exception {
        FileUtils.forceDelete(workingDirectory);
    }

    /**
     * Test method for
     * {@link org.opencastproject.composer.impl.ComposerServiceImpl#convertImage(org.opencastproject.mediapackage.Attachment, String)}
     */
    @Test
    @Ignore
    public void testConcat() throws Exception {
        if (!ffmpegInstalled)
            return;
        String videoName1 = "video.mp4";
        String videoName2 = "av.mov";
        URL sourceVideo1Url = getClass().getResource("/" + videoName1);
        URL sourceVideo2Url = getClass().getResource("/" + videoName2);
        File sourceVideo1 = new File(workingDirectory, videoName1);
        File sourceVideo2 = new File(workingDirectory, videoName2);
        File sourceTextFile = new File(workingDirectory, "filesToConcat.txt");
        FileUtils.copyURLToFile(sourceVideo1Url, sourceVideo1);
        FileUtils.copyURLToFile(sourceVideo2Url, sourceVideo2);

        StringBuilder sb = new StringBuilder();
        sb.append("file '").append(sourceVideo1.getAbsolutePath()).append("'").append(IOUtils.LINE_SEPARATOR);
        sb.append("file '").append(sourceVideo2.getAbsolutePath()).append("'").append(IOUtils.LINE_SEPARATOR);
        FileUtils.writeStringToFile(sourceTextFile, sb.toString());

        EncodingProfile imageConversionProfile = profiles.get("concat");
        Map<String, String> properties = new HashMap<String, String>();
        properties.put("videoListFile", FilenameUtils.normalize(sourceTextFile.getAbsolutePath()));
        File concatenedVideo = engine.encode(sourceVideo1, imageConversionProfile, properties).get();

        // These are weak assertions, but anything else would require either integration with another 3rd party tool
        // or manual parsing of ffmpeg output. Instead, we keep this test generic (but weak).
        assertTrue(concatenedVideo.exists());
        assertTrue(concatenedVideo.length() > 0);

    }

}