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

Example 11 with VideoStream

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

the class PartialImportWorkflowOperationHandler method extractLastImageFrame.

private Attachment extractLastImageFrame(Track presentationTrack, List<MediaPackageElement> elementsToClean) throws EncoderException, MediaPackageException, WorkflowOperationException, NotFoundException {
    VideoStream[] videoStreams = TrackSupport.byType(presentationTrack.getStreams(), VideoStream.class);
    Map<String, String> properties = new HashMap<String, String>();
    properties.put("frame", Long.toString(videoStreams[0].getFrameCount() - 1));
    Job extractImageJob = composerService.image(presentationTrack, IMAGE_FRAME_PROFILE, properties);
    if (!waitForStatus(extractImageJob).isSuccess())
        throw new WorkflowOperationException("Extract image frame video job did not complete successfully");
    // Get the latest copy
    try {
        extractImageJob = serviceRegistry.getJob(extractImageJob.getId());
    } catch (ServiceRegistryException e) {
        throw new WorkflowOperationException(e);
    }
    Attachment composedImages = (Attachment) MediaPackageElementParser.getArrayFromXml(extractImageJob.getPayload()).get(0);
    elementsToClean.add(composedImages);
    return composedImages;
}

Example 12 with VideoStream

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

the class PartialImportWorkflowOperationHandlerTest method testDetermineDimension.

@Test
public void testDetermineDimension() throws Exception {
    // Setup tracks
    VideoStreamImpl videoStream = new VideoStreamImpl("test1");
    videoStream.setFrameWidth(80);
    videoStream.setFrameHeight(30);
    VideoStreamImpl videoStream2 = new VideoStreamImpl("test2");
    videoStream2.setFrameWidth(101);
    videoStream2.setFrameHeight(50);
    TrackImpl videoTrack = new TrackImpl();
    videoTrack.setURI(URI.create("/test"));
    videoTrack.setVideo(Collections.list((VideoStream) videoStream));
    TrackImpl videoTrack2 = new TrackImpl();
    videoTrack2.setURI(URI.create("/test"));
    videoTrack2.setVideo(Collections.list((VideoStream) videoStream2));
    List<Track> tracks = Collections.list((Track) videoTrack, (Track) videoTrack2);
    EncodingProfileImpl encodingProfile = new EncodingProfileImpl();
    encodingProfile.setIdentifier("test");
    ComposerService composerService = EasyMock.createMock(ComposerService.class);
    EasyMock.expect(composerService.concat(encodingProfile.getIdentifier(), Dimension.dimension(101, 50), tracks.toArray(new Track[tracks.size()]))).andReturn(null).once();
    EasyMock.expect(composerService.concat(encodingProfile.getIdentifier(), Dimension.dimension(100, 50), tracks.toArray(new Track[tracks.size()]))).andReturn(null).once();
    EasyMock.replay(composerService);
    PartialImportWorkflowOperationHandler handler = new PartialImportWorkflowOperationHandler();
    handler.setComposerService(composerService);
    handler.startConcatJob(encodingProfile, tracks, -1.0F, false);
    handler.startConcatJob(encodingProfile, tracks, -1.0F, true);
}

Example 13 with VideoStream

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

the class CompositeWorkflowOperationHandler method handleSingleTrack.

private WorkflowOperationResult handleSingleTrack(MediaPackage mediaPackage, WorkflowOperationInstance operation, CompositeSettings compositeSettings, Option<Attachment> watermarkAttachment) throws EncoderException, IOException, NotFoundException, MediaPackageException, WorkflowOperationException {
    if (compositeSettings.getSingleSourceLayout() == null) {
        throw new WorkflowOperationException("Single video layout must be set! Please verify that you have a " + LAYOUT_SINGLE + " property in your composite operation in your workflow definition.");
    }
    try {
        VideoStream[] videoStreams = TrackSupport.byType(compositeSettings.getSingleTrack().getStreams(), VideoStream.class);
        if (videoStreams.length == 0) {
            logger.warn("No video stream available to compose! {}", compositeSettings.getSingleTrack());
            return createResult(mediaPackage, Action.SKIP);
        }
        // Read the video dimensions from the mediapackage stream information
        Dimension videoDimension = Dimension.dimension(videoStreams[0].getFrameWidth(), videoStreams[0].getFrameHeight());
        // Create the video layout definitions
        List<Tuple<Dimension, HorizontalCoverageLayoutSpec>> shapes = new ArrayList<Tuple<Dimension, HorizontalCoverageLayoutSpec>>();
        shapes.add(0, Tuple.tuple(videoDimension, compositeSettings.getSingleSourceLayout()));
        // Determine dimension of output
        Dimension outputDimension = null;
        String outputResolutionSource = compositeSettings.getOutputResolutionSource();
        if (outputResolutionSource.equals(CompositeSettings.OUTPUT_RESOLUTION_FIXED)) {
            outputDimension = compositeSettings.getOutputDimension();
        } else if (outputResolutionSource.equals(CompositeSettings.OUTPUT_RESOLUTION_LOWER)) {
            outputDimension = videoDimension;
        } else if (outputResolutionSource.equals(CompositeSettings.OUTPUT_RESOLUTION_UPPER)) {
            outputDimension = videoDimension;
        }
        // Calculate the single layout
        MultiShapeLayout multiShapeLayout = LayoutManager.multiShapeLayout(outputDimension, shapes);
        // Create the laid out element for the videos
        LaidOutElement<Track> lowerLaidOutElement = new LaidOutElement<Track>(compositeSettings.getSingleTrack(), multiShapeLayout.getShapes().get(0));
        // Create the optionally laid out element for the watermark
        Option<LaidOutElement<Attachment>> watermarkOption = createWatermarkLaidOutElement(compositeSettings, outputDimension, watermarkAttachment);
        Job compositeJob = composerService.composite(outputDimension, Option.<LaidOutElement<Track>>none(), lowerLaidOutElement, watermarkOption, compositeSettings.getProfile().getIdentifier(), compositeSettings.getOutputBackground());
        // Wait for the jobs to return
        if (!waitForStatus(compositeJob).isSuccess())
            throw new WorkflowOperationException("The composite job did not complete successfully");
        if (compositeJob.getPayload().length() > 0) {
            Track compoundTrack = (Track) MediaPackageElementParser.getFromXml(compositeJob.getPayload());
            compoundTrack.setURI(workspace.moveTo(compoundTrack.getURI(), mediaPackage.getIdentifier().toString(), compoundTrack.getIdentifier(), "composite." + FilenameUtils.getExtension(compoundTrack.getURI().toString())));
            // Adjust the target tags
            for (String tag : compositeSettings.getTargetTags()) {
                logger.trace("Tagging compound track with '{}'", tag);
                compoundTrack.addTag(tag);
            }
            // Adjust the target flavor.
            compoundTrack.setFlavor(compositeSettings.getTargetFlavor());
            logger.debug("Compound track has flavor '{}'", compoundTrack.getFlavor());
            // store new tracks to mediaPackage
            mediaPackage.add(compoundTrack);
            WorkflowOperationResult result = createResult(mediaPackage, Action.CONTINUE, compositeJob.getQueueTime());
            logger.debug("Composite operation completed");
            return result;
        } else {
            logger.info("Composite operation unsuccessful, no payload returned: {}", compositeJob);
            return createResult(mediaPackage, Action.SKIP);
        }
    } finally {
        if (compositeSettings.getSourceUrlWatermark() != null)
            workspace.deleteFromCollection(COLLECTION, compositeSettings.getWatermarkIdentifier() + "." + FilenameUtils.getExtension(compositeSettings.getSourceUrlWatermark()));
    }
}

Example 14 with VideoStream

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

the class AnalyzeTracksWorkflowOperationHandler method start.

@Override
public WorkflowOperationResult start(WorkflowInstance workflowInstance, JobContext context) throws WorkflowOperationException {
    logger.info("Running analyze-tracks workflow operation on workflow {}", workflowInstance.getId());
    final MediaPackage mediaPackage = workflowInstance.getMediaPackage();
    final String sourceFlavor = getConfig(workflowInstance, OPT_SOURCE_FLAVOR);
    Map<String, String> properties = new HashMap<>();
    final MediaPackageElementFlavor flavor = MediaPackageElementFlavor.parseFlavor(sourceFlavor);
    final Track[] tracks = mediaPackage.getTracks(flavor);
    if (tracks.length <= 0) {
        if (BooleanUtils.toBoolean(getConfig(workflowInstance, OPT_FAIL_NO_TRACK, "false"))) {
            throw new WorkflowOperationException("No matching tracks for flavor " + sourceFlavor);
        }
        logger.info("No tracks with specified flavors ({}) to analyse.", sourceFlavor);
        return createResult(mediaPackage, properties, Action.CONTINUE, 0);
    }
    List<Fraction> aspectRatios = getAspectRatio(getConfig(workflowInstance, OPT_VIDEO_ASPECT, ""));
    for (Track track : tracks) {
        final String varName = toVariableName(track.getFlavor());
        properties.put(varName + "_media", "true");
        properties.put(varName + "_video", Boolean.toString(track.hasVideo()));
        properties.put(varName + "_audio", Boolean.toString(track.hasAudio()));
        // Check resolution
        if (track.hasVideo()) {
            for (VideoStream video : ((TrackImpl) track).getVideo()) {
                // Set resolution variables
                properties.put(varName + "_resolution_x", video.getFrameWidth().toString());
                properties.put(varName + "_resolution_y", video.getFrameHeight().toString());
                Fraction trackAspect = Fraction.getReducedFraction(video.getFrameWidth(), video.getFrameHeight());
                properties.put(varName + "_aspect", trackAspect.toString());
                properties.put(varName + "_framerate", video.getFrameRate().toString());
                // Check if we should fall back to nearest defined aspect ratio
                if (!aspectRatios.isEmpty()) {
                    trackAspect = getNearestAspectRatio(trackAspect, aspectRatios);
                    properties.put(varName + "_aspect_snap", trackAspect.toString());
                }
            }
        }
    }
    logger.info("Finished analyze-tracks workflow operation adding the properties: {}", properties);
    return createResult(mediaPackage, properties, Action.CONTINUE, 0);
}