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

Example 16 with Track

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

the class ImageWorkflowOperationHandler method configure.

/**
 * Get and parse the configuration options.
 */
private Cfg configure(MediaPackage mp, WorkflowOperationInstance woi) throws WorkflowOperationException {
    final List<EncodingProfile> profiles = getOptConfig(woi, OPT_PROFILES).toStream().bind(asList.toFn()).map(fetchProfile(composerService)).toList();
    final List<String> targetImageTags = getOptConfig(woi, OPT_TARGET_TAGS).toStream().bind(asList.toFn()).toList();
    final Opt<MediaPackageElementFlavor> targetImageFlavor = getOptConfig(woi, OPT_TARGET_FLAVOR).map(MediaPackageElementFlavor.parseFlavor.toFn());
    final List<Track> sourceTracks;
    {
        // get the source flavors
        final Stream<MediaPackageElementFlavor> sourceFlavors = getOptConfig(woi, OPT_SOURCE_FLAVORS).toStream().bind(Strings.splitCsv).append(getOptConfig(woi, OPT_SOURCE_FLAVOR)).map(MediaPackageElementFlavor.parseFlavor.toFn());
        // get the source tags
        final Stream<String> sourceTags = getOptConfig(woi, OPT_SOURCE_TAGS).toStream().bind(Strings.splitCsv);
        // fold both into a selector
        final TrackSelector trackSelector = sourceTags.apply(tagFold(sourceFlavors.apply(flavorFold(new TrackSelector()))));
        // select the tracks based on source flavors and tags and skip those that don't have video
        sourceTracks = $(trackSelector.select(mp, true)).filter(Filters.hasVideo.toFn()).each(new Fx<Track>() {

            @Override
            public void apply(Track track) {
                if (track.getDuration() == null) {
                    chuck(new WorkflowOperationException(format("Track %s cannot tell its duration", track)));
                }
            }
        }).toList();
    }
    final List<MediaPosition> positions = parsePositions(getConfig(woi, OPT_POSITIONS));
    final long endMargin = getOptConfig(woi, OPT_END_MARGIN).bind(Strings.toLong).getOr(END_MARGIN_DEFAULT);
    // 
    return new Cfg(sourceTracks, positions, profiles, targetImageFlavor, targetImageTags, getTargetBaseNameFormat(woi, OPT_TARGET_BASE_NAME_FORMAT_SECOND), getTargetBaseNameFormat(woi, OPT_TARGET_BASE_NAME_FORMAT_PERCENT), endMargin);
}

Example 17 with Track

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

the class PartialImportWorkflowOperationHandler method createVideoFromImage.

private Track createVideoFromImage(Attachment image, double time, List<MediaPackageElement> elementsToClean) throws EncoderException, MediaPackageException, WorkflowOperationException, NotFoundException {
    Job imageToVideoJob = composerService.imageToVideo(image, IMAGE_MOVIE_PROFILE, time);
    if (!waitForStatus(imageToVideoJob).isSuccess())
        throw new WorkflowOperationException("Image to video job did not complete successfully");
    // Get the latest copy
    try {
        imageToVideoJob = serviceRegistry.getJob(imageToVideoJob.getId());
    } catch (ServiceRegistryException e) {
        throw new WorkflowOperationException(e);
    }
    Track imageVideo = (Track) MediaPackageElementParser.getFromXml(imageToVideoJob.getPayload());
    elementsToClean.add(imageVideo);
    return imageVideo;
}

Example 18 with Track

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

the class PartialImportWorkflowOperationHandler method checkForMuxing.

protected long checkForMuxing(MediaPackage mediaPackage, MediaPackageElementFlavor targetPresentationFlavor, MediaPackageElementFlavor targetPresenterFlavor, boolean useSuffix, List<MediaPackageElement> elementsToClean) throws EncoderException, MediaPackageException, WorkflowOperationException, NotFoundException, ServiceRegistryException, IOException {
    long queueTime = 0L;
    List<Track> videoElements = getPureVideoTracks(mediaPackage, targetPresentationFlavor);
    List<Track> audioElements;
    if (useSuffix) {
        audioElements = getPureAudioTracks(mediaPackage, deriveAudioFlavor(targetPresentationFlavor));
    } else {
        audioElements = getPureAudioTracks(mediaPackage, targetPresentationFlavor);
    }
    Track videoTrack = null;
    Track audioTrack = null;
    if (videoElements.size() == 1 && audioElements.size() == 0) {
        videoTrack = videoElements.get(0);
    } else if (videoElements.size() == 0 && audioElements.size() == 1) {
        audioTrack = audioElements.get(0);
    }
    videoElements = getPureVideoTracks(mediaPackage, targetPresenterFlavor);
    if (useSuffix) {
        audioElements = getPureAudioTracks(mediaPackage, deriveAudioFlavor(targetPresenterFlavor));
    } else {
        audioElements = getPureAudioTracks(mediaPackage, targetPresenterFlavor);
    }
    if (videoElements.size() == 1 && audioElements.size() == 0) {
        videoTrack = videoElements.get(0);
    } else if (videoElements.size() == 0 && audioElements.size() == 1) {
        audioTrack = audioElements.get(0);
    }
    logger.debug("Check for mux between '{}' and '{}' flavors and found video track '{}' and audio track '{}'", targetPresentationFlavor, targetPresenterFlavor, videoTrack, audioTrack);
    if (videoTrack != null && audioTrack != null) {
        queueTime += mux(mediaPackage, videoTrack, audioTrack, elementsToClean);
        return queueTime;
    } else {
        return queueTime;
    }
}

Example 19 with Track

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

the class PartialImportWorkflowOperationHandler method getLargestTrack.

/**
 * Returns the track with the largest resolution from the list of tracks
 *
 * @param tracks
 *          the list of tracks
 * @return a {@link Tuple} with the largest track and it's dimension
 */
private Tuple<Track, Dimension> getLargestTrack(List<Track> tracks) {
    Track track = null;
    Dimension dimension = null;
    for (Track t : tracks) {
        if (!t.hasVideo())
            continue;
        VideoStream[] videoStreams = TrackSupport.byType(t.getStreams(), VideoStream.class);
        int frameWidth = videoStreams[0].getFrameWidth();
        int frameHeight = videoStreams[0].getFrameHeight();
        if (dimension == null || (frameWidth * frameHeight) > (dimension.getWidth() * dimension.getHeight())) {
            dimension = Dimension.dimension(frameWidth, frameHeight);
            track = t;
        }
    }
    if (track == null || dimension == null)
        return null;
    return Tuple.tuple(track, dimension);
}

Example 20 with Track

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

the class PartialImportWorkflowOperationHandler method mux.

/**
 * Mux a video and an audio track. Add the result to media package <code>mediaPackage</code> with the same flavor as
 * the <code>video</code>.
 *
 * @return the mux job's queue time
 */
protected long mux(MediaPackage mediaPackage, Track video, Track audio, List<MediaPackageElement> elementsToClean) throws EncoderException, MediaPackageException, WorkflowOperationException, NotFoundException, ServiceRegistryException, IOException {
    logger.debug("Muxing video {} and audio {}", video.getURI(), audio.getURI());
    Job muxJob = composerService.mux(video, audio, PrepareAVWorkflowOperationHandler.MUX_AV_PROFILE);
    if (!waitForStatus(muxJob).isSuccess()) {
        throw new WorkflowOperationException("Muxing of audio " + audio + " and video " + video + " failed");
    }
    muxJob = serviceRegistry.getJob(muxJob.getId());
    final Track muxed = (Track) MediaPackageElementParser.getFromXml(muxJob.getPayload());
    if (muxed == null) {
        throw new WorkflowOperationException("Muxed job " + muxJob + " returned no payload!");
    }
    muxed.setFlavor(video.getFlavor());
    muxed.setURI(workspace.moveTo(muxed.getURI(), mediaPackage.getIdentifier().toString(), muxed.getIdentifier(), FilenameUtils.getName(video.getURI().toString())));
    elementsToClean.add(audio);
    mediaPackage.remove(audio);
    elementsToClean.add(video);
    mediaPackage.remove(video);
    mediaPackage.add(muxed);
    return muxJob.getQueueTime();
}