Examples with AudioStream org.opencastproject.mediapackage.AudioStream used on opensource projects

Example 6 with AudioStream

use of org.opencastproject.mediapackage.AudioStream in project opencast by opencast.

the class MediaInspectionServiceImplTest method testEnrichment.

@Test
public void testEnrichment() throws Exception {
    final URI trackUri = getResource("/test.mp4");
    for (MediaInspector mi : init(trackUri)) {
        Track track = mi.inspectTrack(trackUri, Options.NO_OPTION);
        // make changes to metadata
        Checksum cs = track.getChecksum();
        track.setChecksum(null);
        MimeType mt = mimeType("video", "flash");
        track.setMimeType(mt);
        // test the enrich scenario
        Track newTrack = (Track) mi.enrich(track, false, Options.NO_OPTION);
        VideoStream[] videoStreams = TrackSupport.byType(newTrack.getStreams(), VideoStream.class);
        assertTrue(videoStreams[0].getFrameCount().longValue() > 0);
        AudioStream[] audioStreams = TrackSupport.byType(newTrack.getStreams(), AudioStream.class);
        assertTrue(audioStreams[0].getFrameCount().longValue() > 0);
        assertEquals(newTrack.getChecksum(), cs);
        assertEquals(newTrack.getMimeType(), mt);
        assertNotNull(newTrack.getDuration());
        assertTrue(newTrack.getDuration() > 0);
        // test the override scenario
        newTrack = (Track) mi.enrich(track, true, Options.NO_OPTION);
        assertEquals(newTrack.getChecksum(), cs);
        assertNotSame(newTrack.getMimeType(), mt);
        assertTrue(newTrack.getDuration() > 0);
    }
    for (MediaInspector mi : init(trackUri)) {
        Track track = mi.inspectTrack(trackUri, Options.NO_OPTION);
        // make changes to metadata
        Checksum cs = track.getChecksum();
        track.setChecksum(null);
        MimeType mt = mimeType("video", "flash");
        track.setMimeType(mt);
        // test the enrich scenario
        Track newTrack = (Track) mi.enrich(track, false, Options.NO_OPTION);
        VideoStream[] videoStreams = TrackSupport.byType(newTrack.getStreams(), VideoStream.class);
        assertTrue(videoStreams[0].getFrameCount().longValue() > 0);
        AudioStream[] audioStreams = TrackSupport.byType(newTrack.getStreams(), AudioStream.class);
        assertTrue(audioStreams[0].getFrameCount().longValue() > 0);
        assertEquals(newTrack.getChecksum(), cs);
        assertEquals(newTrack.getMimeType(), mt);
        assertNotNull(newTrack.getDuration());
        assertTrue(newTrack.getDuration() > 0);
        // test the override scenario
        newTrack = (Track) mi.enrich(track, true, Options.NO_OPTION);
        assertEquals(newTrack.getChecksum(), cs);
        assertNotSame(newTrack.getMimeType(), mt);
        assertTrue(newTrack.getDuration() > 0);
    }
}

Example 7 with AudioStream

use of org.opencastproject.mediapackage.AudioStream in project opencast by opencast.

the class WowzaAdaptiveStreamingDistributionService method addElementToSmil.

private void addElementToSmil(Document doc, String channelId, MediaPackage mediapackage, MediaPackageElement element) throws DOMException, URISyntaxException {
    if (!(element instanceof TrackImpl))
        return;
    TrackImpl track = (TrackImpl) element;
    NodeList switchElementsList = doc.getElementsByTagName("switch");
    Node switchElement = null;
    // If there is no switch element we need to create the xml first.
    if (switchElementsList.getLength() > 0) {
        switchElement = switchElementsList.item(0);
    } else {
        if (doc.getElementsByTagName("head").getLength() < 1)
            doc.appendChild(doc.createElement("head"));
        if (doc.getElementsByTagName("body").getLength() < 1)
            doc.appendChild(doc.createElement("body"));
        switchElement = doc.createElement("switch");
        doc.getElementsByTagName("body").item(0).appendChild(switchElement);
    }
    Element video = doc.createElement("video");
    video.setAttribute("src", getAdaptiveDistributionName(channelId, mediapackage, element));
    float bitrate = 0;
    // Add bitrate corresponding to the audio streams
    for (AudioStream stream : track.getAudio()) {
        bitrate += stream.getBitRate();
    }
    // Add bitrate corresponding to the video streams
    // Also, set the video width and height values:
    // In the rare case where there is more than one video stream, the values of the first stream
    // have priority, but always prefer the first stream with both "frameWidth" and "frameHeight"
    // parameters defined
    Integer width = null;
    Integer height = null;
    for (VideoStream stream : track.getVideo()) {
        bitrate += stream.getBitRate();
        // Update if both width and height are defined for a stream or if we have no values at all
        if (((stream.getFrameWidth() != null) && (stream.getFrameHeight() != null)) || ((width == null) && (height == null))) {
            width = stream.getFrameWidth();
            height = stream.getFrameHeight();
        }
    }
    video.setAttribute(SMIL_ATTR_VIDEO_BITRATE, Integer.toString((int) bitrate));
    if (width != null) {
        video.setAttribute(SMIL_ATTR_VIDEO_WIDTH, Integer.toString(width));
    } else {
        logger.debug("Could not set video width in the SMIL file for element {} of mediapackage {}. The value was null", element.getIdentifier(), mediapackage.getIdentifier());
    }
    if (height != null) {
        video.setAttribute(SMIL_ATTR_VIDEO_HEIGHT, Integer.toString(height));
    } else {
        logger.debug("Could not set video height in the SMIL file for element {} of mediapackage {}. The value was null", element.getIdentifier(), mediapackage.getIdentifier());
    }
    NodeList currentVideos = switchElement.getChildNodes();
    for (int i = 0; i < currentVideos.getLength(); i++) {
        Node current = currentVideos.item(i);
        if ("video".equals(current.getNodeName())) {
            Float currentBitrate = Float.parseFloat(current.getAttributes().getNamedItem(SMIL_ATTR_VIDEO_BITRATE).getTextContent());
            if ((isSmilOrderDescending && (currentBitrate < bitrate)) || (!isSmilOrderDescending && (currentBitrate > bitrate))) {
                switchElement.insertBefore(video, current);
                return;
            }
        }
    }
    // If we get here, we could not insert the video before
    switchElement.appendChild(video);
}

Example 8 with AudioStream

use of org.opencastproject.mediapackage.AudioStream in project opencast by opencast.

the class SoxServiceTest method testAnalyzeAudio.

@Test
public void testAnalyzeAudio() throws Exception {
    if (!soxInstalled)
        return;
    assertTrue(source.isFile());
    String sourceTrackXml = "<track xmlns=\"http://mediapackage.opencastproject.org\" id=\"track-1\" type=\"presentation/source\"><mimetype>audio/flac</mimetype>" + "<url>http://localhost:8080/workflow/samples/camera.mpg</url>" + "<checksum type=\"md5\">43b7d843b02c4a429b2f547a4f230d31</checksum><duration>14546</duration>" + "<audio><device type=\"UFG03\" version=\"30112007\" vendor=\"Unigraf\" />" + "<encoder type=\"H.264\" version=\"7.4\" vendor=\"Apple Inc\" /><channels>2</channels>" + "<bitdepth>16</bitdepth><samplingrate>44100</samplingrate></audio></track>";
    Track sourceTrack = (Track) MediaPackageElementParser.getFromXml(sourceTrackXml);
    List<Job> jobs = new ArrayList<Job>();
    for (int i = 0; i < 10; i++) {
        jobs.add(soxService.analyze(sourceTrack));
    }
    boolean success = new JobBarrier(null, serviceRegistry, jobs.toArray(new Job[jobs.size()])).waitForJobs().isSuccess();
    assertTrue(success);
    for (Job j : jobs) {
        // Always check the service registry for the latest version of the job
        Job job = serviceRegistry.getJob(j.getId());
        TrackImpl track = (TrackImpl) MediaPackageElementParser.getFromXml(job.getPayload());
        AudioStream audioStream = track.getAudio().get(0);
        assertEquals(-8.55f, audioStream.getPkLevDb().floatValue(), 0.0002);
        assertEquals(-27.78f, audioStream.getRmsLevDb().floatValue(), 0.0002);
        assertEquals(-20.12f, audioStream.getRmsPkDb().floatValue(), 0.0002);
        assertEquals(Job.Status.FINISHED, job.getStatus());
    }
}

Example 9 with AudioStream

use of org.opencastproject.mediapackage.AudioStream in project opencast by opencast.

the class SoxServiceTest method testNormalizeDecreaseAudio.

@Test
public void testNormalizeDecreaseAudio() throws Exception {
    if (!soxInstalled)
        return;
    assertTrue(source.isFile());
    String sourceTrackXml = "<track xmlns=\"http://mediapackage.opencastproject.org\" id=\"track-1\" type=\"presentation/source\"><mimetype>audio/flac</mimetype>" + "<url>http://localhost:8080/workflow/samples/camera.mpg</url>" + "<checksum type=\"md5\">43b7d843b02c4a429b2f547a4f230d31</checksum><duration>14546</duration>" + "<audio><device type=\"UFG03\" version=\"30112007\" vendor=\"Unigraf\" />" + "<encoder type=\"H.264\" version=\"7.4\" vendor=\"Apple Inc\" /><channels>2</channels>" + "<bitdepth>16</bitdepth><rmsleveldb>-27.78</rmsleveldb><samplingrate>44100</samplingrate></audio></track>";
    Track sourceTrack = (Track) MediaPackageElementParser.getFromXml(sourceTrackXml);
    List<Job> jobs = new ArrayList<Job>();
    for (int i = 0; i < 10; i++) {
        jobs.add(soxService.normalize(sourceTrack, -30f));
    }
    boolean success = new JobBarrier(null, serviceRegistry, jobs.toArray(new Job[jobs.size()])).waitForJobs().isSuccess();
    assertTrue(success);
    for (Job j : jobs) {
        // Always check the service registry for the latest version of the job
        Job job = serviceRegistry.getJob(j.getId());
        TrackImpl track = (TrackImpl) MediaPackageElementParser.getFromXml(job.getPayload());
        AudioStream audioStream = track.getAudio().get(0);
        assertEquals(-30f, audioStream.getRmsLevDb().floatValue(), 0.1);
        assertEquals(Job.Status.FINISHED, job.getStatus());
    }
}