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

Example 81 with MediaPackage

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

the class EventsLoader method execute.

private void execute(CSVParser csv) throws Exception {
    List<EventEntry> events = parseCSV(csv);
    logger.info("Found {} events to populate", events.size());
    int i = 1;
    final Date now = new Date();
    for (EventEntry event : events) {
        logger.info("Populating event {}", i);
        createSeries(event);
        MediaPackage mediaPackage = getBasicMediaPackage(event);
        if (now.after(event.getRecordingDate())) {
            addWorkflowEntry(mediaPackage);
            if (event.isArchive())
                addArchiveEntry(mediaPackage);
        } else {
            addSchedulerEntry(event, mediaPackage);
        }
        logger.info("Finished populating event {}", i++);
    }
}

Example 82 with MediaPackage

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

the class WowzaAdaptiveStreamingDistributionRestService method retract.

@POST
@Path("/retract")
@Produces(MediaType.TEXT_XML)
@RestQuery(name = "retract", description = "Retract a media package element from this distribution channel", returnDescription = "The job that can be used to track the retraction", restParameters = { @RestParameter(name = "mediapackage", isRequired = true, description = "The mediapackage", type = Type.TEXT), @RestParameter(name = "channelId", isRequired = true, description = "The publication channel ID", type = Type.TEXT), @RestParameter(name = "elementIds", isRequired = true, description = "The elements to retract as Json Array['IdOne','IdTwo']", type = Type.STRING) }, reponses = { @RestResponse(responseCode = SC_OK, description = "An XML representation of the retraction job"), @RestResponse(responseCode = SC_NO_CONTENT, description = "There is no streaming distribution service available") })
public Response retract(@FormParam("mediapackage") String mediaPackageXml, @FormParam("channelId") String channelId, @FormParam("elementIds") String elementIds) throws Exception {
    Job job = null;
    try {
        Set<String> setElementIds = gson.fromJson(elementIds, new TypeToken<Set<String>>() {
        }.getType());
        MediaPackage mediapackage = MediaPackageParser.getFromXml(mediaPackageXml);
        job = service.retract(channelId, mediapackage, setElementIds);
        if (job == null) {
            return Response.noContent().build();
        } else {
            return Response.ok(new JaxbJob(job)).build();
        }
    } catch (IllegalArgumentException e) {
        logger.debug("Unable to retract element: {}", e.getMessage());
        return status(Status.BAD_REQUEST).build();
    } catch (Exception e) {
        logger.warn("Unable to retract mediapackage '{}' from streaming channel: {}", new Object[] { mediaPackageXml, e });
        return Response.serverError().status(Status.INTERNAL_SERVER_ERROR).build();
    }
}

Example 83 with MediaPackage

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

the class VideoSegmenterWorkflowOperationHandler method start.

/**
 * {@inheritDoc}
 *
 * @see org.opencastproject.workflow.api.WorkflowOperationHandler#start(org.opencastproject.workflow.api.WorkflowInstance,
 *      JobContext)
 */
public WorkflowOperationResult start(final WorkflowInstance workflowInstance, JobContext context) throws WorkflowOperationException {
    logger.debug("Running video segmentation on workflow {}", workflowInstance.getId());
    WorkflowOperationInstance operation = workflowInstance.getCurrentOperation();
    MediaPackage mediaPackage = workflowInstance.getMediaPackage();
    // Find movie track to analyze
    String trackFlavor = StringUtils.trimToNull(operation.getConfiguration(PROP_ANALYSIS_TRACK_FLAVOR));
    List<String> targetTags = asList(operation.getConfiguration(PROP_TARGET_TAGS));
    List<Track> candidates = new ArrayList<Track>();
    if (trackFlavor != null)
        candidates.addAll(Arrays.asList(mediaPackage.getTracks(MediaPackageElementFlavor.parseFlavor(trackFlavor))));
    else
        candidates.addAll(Arrays.asList(mediaPackage.getTracks(MediaPackageElements.PRESENTATION_SOURCE)));
    // Remove unsupported tracks (only those containing video can be segmented)
    Iterator<Track> ti = candidates.iterator();
    while (ti.hasNext()) {
        Track t = ti.next();
        if (!t.hasVideo())
            ti.remove();
    }
    // Found one?
    if (candidates.size() == 0) {
        logger.info("No matching tracks available for video segmentation in workflow {}", workflowInstance);
        return createResult(Action.CONTINUE);
    }
    // More than one left? Let's be pragmatic...
    if (candidates.size() > 1) {
        logger.info("Found more than one track to segment, choosing the first one ({})", candidates.get(0));
    }
    Track track = candidates.get(0);
    // Segment the media package
    Catalog mpeg7Catalog = null;
    Job job = null;
    try {
        job = videosegmenter.segment(track);
        if (!waitForStatus(job).isSuccess()) {
            throw new WorkflowOperationException("Video segmentation of " + track + " failed");
        }
        mpeg7Catalog = (Catalog) MediaPackageElementParser.getFromXml(job.getPayload());
        mediaPackage.add(mpeg7Catalog);
        mpeg7Catalog.setURI(workspace.moveTo(mpeg7Catalog.getURI(), mediaPackage.getIdentifier().toString(), mpeg7Catalog.getIdentifier(), "segments.xml"));
        mpeg7Catalog.setReference(new MediaPackageReferenceImpl(track));
        // Add target tags
        for (String tag : targetTags) {
            mpeg7Catalog.addTag(tag);
        }
    } catch (Exception e) {
        throw new WorkflowOperationException(e);
    }
    logger.debug("Video segmentation completed");
    return createResult(mediaPackage, Action.CONTINUE, job.getQueueTime());
}

Example 84 with MediaPackage

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

the class WaveformWorkflowOperationHandlerTest method setUp.

@Before
public void setUp() throws Exception {
    handler = new WaveformWorkflowOperationHandler() {

        @Override
        protected JobBarrier.Result waitForStatus(Job... jobs) throws IllegalStateException, IllegalArgumentException {
            JobBarrier.Result result = EasyMock.createNiceMock(JobBarrier.Result.class);
            EasyMock.expect(result.isSuccess()).andReturn(true).anyTimes();
            EasyMock.replay(result);
            return result;
        }
    };
    track = new TrackImpl();
    track.setFlavor(MediaPackageElementFlavor.parseFlavor("xy/source"));
    track.setAudio(Arrays.asList(null, null));
    MediaPackageBuilder builder = new MediaPackageBuilderImpl();
    MediaPackage mediaPackage = builder.createNew();
    mediaPackage.setIdentifier(new IdImpl("123-456"));
    mediaPackage.add(track);
    instance = EasyMock.createNiceMock(WorkflowOperationInstanceImpl.class);
    EasyMock.expect(instance.getConfiguration("target-flavor")).andReturn("*/*").anyTimes();
    EasyMock.expect(instance.getConfiguration("target-tags")).andReturn("a,b,c").anyTimes();
    workflow = EasyMock.createNiceMock(WorkflowInstanceImpl.class);
    EasyMock.expect(workflow.getMediaPackage()).andReturn(mediaPackage).anyTimes();
    EasyMock.expect(workflow.getCurrentOperation()).andReturn(instance).anyTimes();
    Attachment payload = new AttachmentImpl();
    payload.setIdentifier("x");
    payload.setFlavor(MediaPackageElementFlavor.parseFlavor("xy/source"));
    Job job = new JobImpl(0);
    job.setPayload(MediaPackageElementParser.getAsXml(payload));
    WaveformService waveformService = EasyMock.createNiceMock(WaveformService.class);
    EasyMock.expect(waveformService.createWaveformImage(EasyMock.anyObject())).andReturn(job);
    Workspace workspace = EasyMock.createNiceMock(Workspace.class);
    EasyMock.replay(waveformService, workspace, workflow);
    handler.setWaveformService(waveformService);
    handler.setWorkspace(workspace);
}

Example 85 with MediaPackage

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

the class AbstractEventEndpoint method getPublicationList.

@GET
@Path("{eventId}/asset/publication/publications.json")
@Produces(MediaType.APPLICATION_JSON)
@RestQuery(name = "getPublicationList", description = "Returns a list of publications from the given event as JSON", returnDescription = "The list of publications from the given event as JSON", pathParameters = { @RestParameter(name = "eventId", description = "The event id", isRequired = true, type = RestParameter.Type.STRING) }, reponses = { @RestResponse(description = "Returns a list of publications from the given event as JSON", responseCode = HttpServletResponse.SC_OK), @RestResponse(description = "No event with this identifier was found.", responseCode = HttpServletResponse.SC_NOT_FOUND) })
public Response getPublicationList(@PathParam("eventId") String id) throws Exception {
    Opt<Event> optEvent = getIndexService().getEvent(id, getIndex());
    if (optEvent.isNone())
        return notFound("Cannot find an event with id '%s'.", id);
    MediaPackage mp = getIndexService().getEventMediapackage(optEvent.get());
    return okJson(arr(getEventPublications(mp.getPublications())));
}