Examples with SMILElement org.w3c.dom.smil.SMILElement used on opensource projects

Example 1 with SMILElement

use of org.w3c.dom.smil.SMILElement in project qksms by moezbhatti.

the class SmilHelper method createSmilDocument.

private static SMILDocument createSmilDocument(SlideshowModel slideshow) {
    if (Config.LOGV) {
        Log.v(TAG, "Creating SMIL document from SlideshowModel.");
    }
    SMILDocument document = new SmilDocumentImpl();
    // Create SMIL and append it to document
    SMILElement smilElement = (SMILElement) document.createElement("smil");
    document.appendChild(smilElement);
    // Create HEAD and append it to SMIL
    SMILElement headElement = (SMILElement) document.createElement("head");
    smilElement.appendChild(headElement);
    // Create LAYOUT and append it to HEAD
    SMILLayoutElement layoutElement = (SMILLayoutElement) document.createElement("layout");
    headElement.appendChild(layoutElement);
    // Create ROOT-LAYOUT and append it to LAYOUT
    SMILRootLayoutElement rootLayoutElement = (SMILRootLayoutElement) document.createElement("root-layout");
    LayoutModel layouts = slideshow.getLayout();
    rootLayoutElement.setWidth(layouts.getLayoutWidth());
    rootLayoutElement.setHeight(layouts.getLayoutHeight());
    String bgColor = layouts.getBackgroundColor();
    if (!TextUtils.isEmpty(bgColor)) {
        rootLayoutElement.setBackgroundColor(bgColor);
    }
    layoutElement.appendChild(rootLayoutElement);
    // Create REGIONs and append them to LAYOUT
    ArrayList<RegionModel> regions = layouts.getRegions();
    ArrayList<SMILRegionElement> smilRegions = new ArrayList<>();
    for (RegionModel r : regions) {
        SMILRegionElement smilRegion = (SMILRegionElement) document.createElement("region");
        smilRegion.setId(r.getRegionId());
        smilRegion.setLeft(r.getLeft());
        smilRegion.setTop(r.getTop());
        smilRegion.setWidth(r.getWidth());
        smilRegion.setHeight(r.getHeight());
        smilRegion.setFit(r.getFit());
        smilRegions.add(smilRegion);
    }
    // Create BODY and append it to the document.
    SMILElement bodyElement = (SMILElement) document.createElement("body");
    smilElement.appendChild(bodyElement);
    for (SlideModel slide : slideshow) {
        boolean txtRegionPresentInLayout = false;
        boolean imgRegionPresentInLayout = false;
        // Create PAR element.
        SMILParElement par = addPar(document);
        par.setDur(slide.getDuration() / 1000f);
        addParElementEventListeners((EventTarget) par, slide);
        // Add all media elements.
        for (MediaModel media : slide) {
            SMILMediaElement sme = null;
            String src = media.getSrc();
            if (media instanceof TextModel) {
                TextModel text = (TextModel) media;
                if (TextUtils.isEmpty(text.getText())) {
                    if (LOCAL_LOGV) {
                        Log.v(TAG, "Empty text part ignored: " + text.getSrc());
                    }
                    continue;
                }
                sme = SmilHelper.createMediaElement(SmilHelper.ELEMENT_TAG_TEXT, document, src);
                txtRegionPresentInLayout = setRegion((SMILRegionMediaElement) sme, smilRegions, layoutElement, LayoutModel.TEXT_REGION_ID, txtRegionPresentInLayout);
            } else if (media instanceof ImageModel) {
                sme = SmilHelper.createMediaElement(SmilHelper.ELEMENT_TAG_IMAGE, document, src);
                imgRegionPresentInLayout = setRegion((SMILRegionMediaElement) sme, smilRegions, layoutElement, LayoutModel.IMAGE_REGION_ID, imgRegionPresentInLayout);
            } else if (media instanceof VideoModel) {
                sme = SmilHelper.createMediaElement(SmilHelper.ELEMENT_TAG_VIDEO, document, src);
                imgRegionPresentInLayout = setRegion((SMILRegionMediaElement) sme, smilRegions, layoutElement, LayoutModel.IMAGE_REGION_ID, imgRegionPresentInLayout);
            } else if (media instanceof AudioModel) {
                sme = SmilHelper.createMediaElement(SmilHelper.ELEMENT_TAG_AUDIO, document, src);
            } else {
                Log.w(TAG, "Unsupport media: " + media);
                continue;
            }
            // Set timing information.
            int begin = media.getBegin();
            if (begin != 0) {
                sme.setAttribute("begin", String.valueOf(begin / 1000));
            }
            int duration = media.getDuration();
            if (duration != 0) {
                sme.setDur((float) duration / 1000);
            }
            par.appendChild(sme);
            addMediaElementEventListeners((EventTarget) sme, media);
        }
    }
    if (LOCAL_LOGV) {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        SmilXmlSerializer.serialize(document, out);
        Log.v(TAG, out.toString());
    }
    return document;
}

Example 2 with SMILElement

use of org.w3c.dom.smil.SMILElement in project Signal-Android by WhisperSystems.

the class SmilDocumentImpl method getHead.

/*
     * SMILElement Interface
     */
public SMILElement getHead() {
    Node rootElement = getDocumentElement();
    Node headElement = rootElement.getFirstChild();
    if (headElement == null || !(headElement instanceof SMILElement)) {
        // The head doesn't exist. Create a new one.
        headElement = createElement("head");
        rootElement.appendChild(headElement);
    }
    return (SMILElement) headElement;
}

Example 3 with SMILElement

use of org.w3c.dom.smil.SMILElement in project Signal-Android by WhisperSystems.

the class SmilDocumentImpl method getDocumentElement.

@Override
public SMILElement getDocumentElement() {
    Node rootElement = getFirstChild();
    if (rootElement == null || !(rootElement instanceof SMILElement)) {
        // The root doesn't exist. Create a new one.
        rootElement = createElement("smil");
        appendChild(rootElement);
    }
    return (SMILElement) rootElement;
}

Example 4 with SMILElement

use of org.w3c.dom.smil.SMILElement in project Signal-Android by WhisperSystems.

the class SmilUtil method createSmilDocument.

private static SMILDocument createSmilDocument(PduBody body) {
    Log.w(TAG, "Creating SMIL document from PduBody.");
    SMILDocument document = new SmilDocumentImpl();
    SMILElement smilElement = (SMILElement) document.createElement("smil");
    document.appendChild(smilElement);
    SMILElement headElement = (SMILElement) document.createElement("head");
    smilElement.appendChild(headElement);
    SMILLayoutElement layoutElement = (SMILLayoutElement) document.createElement("layout");
    headElement.appendChild(layoutElement);
    SMILRootLayoutElement rootLayoutElement = (SMILRootLayoutElement) document.createElement("root-layout");
    rootLayoutElement.setWidth(ROOT_WIDTH);
    rootLayoutElement.setHeight(ROOT_HEIGHT);
    layoutElement.appendChild(rootLayoutElement);
    SMILElement bodyElement = (SMILElement) document.createElement("body");
    smilElement.appendChild(bodyElement);
    SMILParElement par = (SMILParElement) document.createElement("par");
    bodyElement.appendChild(par);
    for (int i = 0; i < body.getPartsNum(); i++) {
        PduPart part = body.getPart(i);
        SMILRegionElement regionElement = getRegion(document, part);
        SMILMediaElement mediaElement = getMediaElement(document, part);
        if (regionElement != null) {
            ((SMILRegionMediaElement) mediaElement).setRegion(regionElement);
            layoutElement.appendChild(regionElement);
        }
        par.appendChild(mediaElement);
    }
    return document;
}

Example 5 with SMILElement

use of org.w3c.dom.smil.SMILElement in project opencast by opencast.

the class PartialImportWorkflowOperationHandler method concat.

private WorkflowOperationResult concat(MediaPackage src, WorkflowOperationInstance operation, List<MediaPackageElement> elementsToClean) throws EncoderException, IOException, NotFoundException, MediaPackageException, WorkflowOperationException, ServiceRegistryException {
    final MediaPackage mediaPackage = (MediaPackage) src.clone();
    final Long operationId = operation.getId();
    // 
    // read config options
    final Opt<String> presenterFlavor = getOptConfig(operation, SOURCE_PRESENTER_FLAVOR);
    final Opt<String> presentationFlavor = getOptConfig(operation, SOURCE_PRESENTATION_FLAVOR);
    final String smilFlavor = getConfig(operation, SOURCE_SMIL_FLAVOR);
    final String concatEncodingProfile = getConfig(operation, CONCAT_ENCODING_PROFILE);
    final Opt<String> concatOutputFramerate = getOptConfig(operation, CONCAT_OUTPUT_FRAMERATE);
    final String trimEncodingProfile = getConfig(operation, TRIM_ENCODING_PROFILE);
    final MediaPackageElementFlavor targetPresenterFlavor = parseTargetFlavor(getConfig(operation, TARGET_PRESENTER_FLAVOR), "presenter");
    final MediaPackageElementFlavor targetPresentationFlavor = parseTargetFlavor(getConfig(operation, TARGET_PRESENTATION_FLAVOR), "presentation");
    final Opt<EncodingProfile> forceProfile = getForceEncodingProfile(operation);
    final boolean forceEncoding = BooleanUtils.toBoolean(getOptConfig(operation, FORCE_ENCODING).getOr("false"));
    final boolean forceDivisible = BooleanUtils.toBoolean(getOptConfig(operation, ENFORCE_DIVISIBLE_BY_TWO).getOr("false"));
    final List<String> requiredExtensions = getRequiredExtensions(operation);
    // Skip the worklow if no presenter and presentation flavor has been configured
    if (presenterFlavor.isNone() && presentationFlavor.isNone()) {
        logger.warn("No presenter and presentation flavor has been set.");
        return createResult(mediaPackage, Action.SKIP);
    }
    final EncodingProfile concatProfile = composerService.getProfile(concatEncodingProfile);
    if (concatProfile == null) {
        throw new WorkflowOperationException("Concat encoding profile '" + concatEncodingProfile + "' was not found");
    }
    float outputFramerate = -1.0f;
    if (concatOutputFramerate.isSome()) {
        if (NumberUtils.isNumber(concatOutputFramerate.get())) {
            logger.info("Using concat output framerate");
            outputFramerate = NumberUtils.toFloat(concatOutputFramerate.get());
        } else {
            throw new WorkflowOperationException("Unable to parse concat output frame rate!");
        }
    }
    final EncodingProfile trimProfile = composerService.getProfile(trimEncodingProfile);
    if (trimProfile == null) {
        throw new WorkflowOperationException("Trim encoding profile '" + trimEncodingProfile + "' was not found");
    }
    // 
    // get tracks
    final TrackSelector presenterTrackSelector = mkTrackSelector(presenterFlavor);
    final TrackSelector presentationTrackSelector = mkTrackSelector(presentationFlavor);
    final List<Track> originalTracks = new ArrayList<Track>();
    final List<Track> presenterTracks = new ArrayList<Track>();
    final List<Track> presentationTracks = new ArrayList<Track>();
    // Collecting presenter tracks
    for (Track t : presenterTrackSelector.select(mediaPackage, false)) {
        logger.info("Found partial presenter track {}", t);
        originalTracks.add(t);
        presenterTracks.add(t);
    }
    // Collecting presentation tracks
    for (Track t : presentationTrackSelector.select(mediaPackage, false)) {
        logger.info("Found partial presentation track {}", t);
        originalTracks.add(t);
        presentationTracks.add(t);
    }
    // flavor_type -> job
    final Map<String, Job> jobs = new HashMap<String, Job>();
    // get SMIL catalog
    final SMILDocument smilDocument = getSmilDocumentFromMediaPackage(mediaPackage, smilFlavor);
    final SMILParElement parallel = (SMILParElement) smilDocument.getBody().getChildNodes().item(0);
    final NodeList sequences = parallel.getTimeChildren();
    final float trackDurationInSeconds = parallel.getDur();
    final long trackDurationInMs = Math.round(trackDurationInSeconds * 1000f);
    for (int i = 0; i < sequences.getLength(); i++) {
        final SMILElement item = (SMILElement) sequences.item(i);
        for (final String mediaType : new String[] { NODE_TYPE_AUDIO, NODE_TYPE_VIDEO }) {
            final List<Track> tracks = new ArrayList<Track>();
            final VCell<String> sourceType = VCell.cell(EMPTY_VALUE);
            final long position = processChildren(0, tracks, item.getChildNodes(), originalTracks, sourceType, mediaType, elementsToClean, operationId);
            if (tracks.isEmpty()) {
                logger.debug("The tracks list was empty.");
                continue;
            }
            final Track lastTrack = tracks.get(tracks.size() - 1);
            if (position < trackDurationInMs) {
                final double extendingTime = (trackDurationInMs - position) / 1000d;
                if (extendingTime > 0) {
                    if (!lastTrack.hasVideo()) {
                        logger.info("Extending {} audio track end by {} seconds with silent audio", sourceType.get(), extendingTime);
                        tracks.add(getSilentAudio(extendingTime, elementsToClean, operationId));
                    } else {
                        logger.info("Extending {} track end with last image frame by {} seconds", sourceType.get(), extendingTime);
                        Attachment tempLastImageFrame = extractLastImageFrame(lastTrack, elementsToClean);
                        tracks.add(createVideoFromImage(tempLastImageFrame, extendingTime, elementsToClean));
                    }
                }
            }
            if (tracks.size() < 2) {
                logger.debug("There were less than 2 tracks, copying track...");
                if (sourceType.get().startsWith(PRESENTER_KEY)) {
                    createCopyOfTrack(mediaPackage, tracks.get(0), targetPresenterFlavor);
                } else if (sourceType.get().startsWith(PRESENTATION_KEY)) {
                    createCopyOfTrack(mediaPackage, tracks.get(0), targetPresentationFlavor);
                } else {
                    logger.warn("Can't handle unkown source type '{}' for unprocessed track", sourceType.get());
                }
                continue;
            }
            for (final Track t : tracks) {
                if (!t.hasVideo() && !t.hasAudio()) {
                    logger.error("No audio or video stream available in the track with flavor {}! {}", t.getFlavor(), t);
                    throw new WorkflowOperationException("No audio or video stream available in the track " + t.toString());
                }
            }
            if (sourceType.get().startsWith(PRESENTER_KEY)) {
                logger.info("Concatenating {} track", PRESENTER_KEY);
                jobs.put(sourceType.get(), startConcatJob(concatProfile, tracks, outputFramerate, forceDivisible));
            } else if (sourceType.get().startsWith(PRESENTATION_KEY)) {
                logger.info("Concatenating {} track", PRESENTATION_KEY);
                jobs.put(sourceType.get(), startConcatJob(concatProfile, tracks, outputFramerate, forceDivisible));
            } else {
                logger.warn("Can't handle unknown source type '{}'!", sourceType.get());
            }
        }
    }
    // Wait for the jobs to return
    if (jobs.size() > 0) {
        if (!JobUtil.waitForJobs(serviceRegistry, jobs.values()).isSuccess()) {
            throw new WorkflowOperationException("One of the concat jobs did not complete successfully");
        }
    } else {
        logger.info("No concatenating needed for presenter and presentation tracks, took partial source elements");
    }
    // All the jobs have passed, let's update the media package
    long queueTime = 0L;
    MediaPackageElementFlavor adjustedTargetPresenterFlavor = targetPresenterFlavor;
    MediaPackageElementFlavor adjustedTargetPresentationFlavor = targetPresentationFlavor;
    for (final Entry<String, Job> job : jobs.entrySet()) {
        final Opt<Job> concatJob = JobUtil.update(serviceRegistry, job.getValue());
        if (concatJob.isSome()) {
            final String concatPayload = concatJob.get().getPayload();
            if (concatPayload != null) {
                final Track concatTrack;
                try {
                    concatTrack = (Track) MediaPackageElementParser.getFromXml(concatPayload);
                } catch (MediaPackageException e) {
                    throw new WorkflowOperationException(e);
                }
                final String fileName;
                // Adjust the target flavor.
                if (job.getKey().startsWith(PRESENTER_KEY)) {
                    if (!concatTrack.hasVideo()) {
                        fileName = PRESENTER_KEY.concat(FLAVOR_AUDIO_SUFFIX);
                        adjustedTargetPresenterFlavor = deriveAudioFlavor(targetPresenterFlavor);
                    } else {
                        fileName = PRESENTER_KEY;
                        adjustedTargetPresenterFlavor = targetPresenterFlavor;
                    }
                    concatTrack.setFlavor(adjustedTargetPresenterFlavor);
                } else if (job.getKey().startsWith(PRESENTATION_KEY)) {
                    if (!concatTrack.hasVideo()) {
                        fileName = PRESENTATION_KEY.concat(FLAVOR_AUDIO_SUFFIX);
                        adjustedTargetPresentationFlavor = deriveAudioFlavor(targetPresentationFlavor);
                    } else {
                        fileName = PRESENTATION_KEY;
                        adjustedTargetPresentationFlavor = targetPresentationFlavor;
                    }
                    concatTrack.setFlavor(adjustedTargetPresentationFlavor);
                } else {
                    fileName = UNKNOWN_KEY;
                }
                concatTrack.setURI(workspace.moveTo(concatTrack.getURI(), mediaPackage.getIdentifier().toString(), concatTrack.getIdentifier(), fileName + "." + FilenameUtils.getExtension(concatTrack.getURI().toString())));
                logger.info("Concatenated track {} got flavor '{}'", concatTrack, concatTrack.getFlavor());
                mediaPackage.add(concatTrack);
                queueTime += concatJob.get().getQueueTime();
            } else {
                // If there is no payload, then the item has not been distributed.
                logger.warn("Concat job {} does not contain a payload", concatJob);
            }
        } else {
            logger.warn("Concat job {} could not be updated since it cannot be found", job.getValue());
        }
    }
    // Trim presenter and presentation source track if longer than the duration from the SMIL catalog
    queueTime += checkForTrimming(mediaPackage, trimProfile, targetPresentationFlavor, trackDurationInSeconds, elementsToClean);
    queueTime += checkForTrimming(mediaPackage, trimProfile, deriveAudioFlavor(targetPresentationFlavor), trackDurationInSeconds, elementsToClean);
    queueTime += checkForTrimming(mediaPackage, trimProfile, targetPresenterFlavor, trackDurationInSeconds, elementsToClean);
    queueTime += checkForTrimming(mediaPackage, trimProfile, deriveAudioFlavor(targetPresenterFlavor), trackDurationInSeconds, elementsToClean);
    adjustAudioTrackTargetFlavor(mediaPackage, targetPresenterFlavor);
    adjustAudioTrackTargetFlavor(mediaPackage, targetPresentationFlavor);
    queueTime += checkForMuxing(mediaPackage, targetPresenterFlavor, targetPresentationFlavor, false, elementsToClean);
    queueTime += checkForEncodeToStandard(mediaPackage, forceEncoding, forceProfile, requiredExtensions, targetPresenterFlavor, targetPresentationFlavor, elementsToClean);
    final WorkflowOperationResult result = createResult(mediaPackage, Action.CONTINUE, queueTime);
    logger.debug("Partial import operation completed");
    return result;
}