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

Example 1 with MediaPackageElement

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

the class CaptionServiceImpl method convert.

/**
 * Converts the captions and returns them in a new catalog.
 *
 * @return the converted catalog
 */
protected MediaPackageElement convert(Job job, MediaPackageElement input, String inputFormat, String outputFormat, String language) throws UnsupportedCaptionFormatException, CaptionConverterException, MediaPackageException {
    try {
        // check parameters
        if (input == null)
            throw new IllegalArgumentException("Input element can't be null");
        if (StringUtils.isBlank(inputFormat))
            throw new IllegalArgumentException("Input format is null");
        if (StringUtils.isBlank(outputFormat))
            throw new IllegalArgumentException("Output format is null");
        // get input file
        File captionsFile;
        try {
            captionsFile = workspace.get(input.getURI());
        } catch (NotFoundException e) {
            throw new CaptionConverterException("Requested media package element " + input + " could not be found.");
        } catch (IOException e) {
            throw new CaptionConverterException("Requested media package element " + input + "could not be accessed.");
        }
        logger.debug("Atempting to convert from {} to {}...", inputFormat, outputFormat);
        List<Caption> collection = null;
        try {
            collection = importCaptions(captionsFile, inputFormat, language);
            logger.debug("Parsing to collection succeeded.");
        } catch (UnsupportedCaptionFormatException e) {
            throw new UnsupportedCaptionFormatException(inputFormat);
        } catch (CaptionConverterException e) {
            throw e;
        }
        URI exported;
        try {
            exported = exportCaptions(collection, job.getId() + "." + FilenameUtils.getExtension(captionsFile.getAbsolutePath()), outputFormat, language);
            logger.debug("Exporting captions succeeding.");
        } catch (UnsupportedCaptionFormatException e) {
            throw new UnsupportedCaptionFormatException(outputFormat);
        } catch (IOException e) {
            throw new CaptionConverterException("Could not export caption collection.", e);
        }
        // create catalog and set properties
        CaptionConverter converter = getCaptionConverter(outputFormat);
        MediaPackageElementBuilder elementBuilder = MediaPackageElementBuilderFactory.newInstance().newElementBuilder();
        MediaPackageElement mpe = elementBuilder.elementFromURI(exported, converter.getElementType(), new MediaPackageElementFlavor("captions", outputFormat + (language == null ? "" : "+" + language)));
        if (mpe.getMimeType() == null) {
            String[] mimetype = FileTypeMap.getDefaultFileTypeMap().getContentType(exported.getPath()).split("/");
            mpe.setMimeType(mimeType(mimetype[0], mimetype[1]));
        }
        if (language != null)
            mpe.addTag("lang:" + language);
        return mpe;
    } catch (Exception e) {
        logger.warn("Error converting captions in " + input, e);
        if (e instanceof CaptionConverterException) {
            throw (CaptionConverterException) e;
        } else if (e instanceof UnsupportedCaptionFormatException) {
            throw (UnsupportedCaptionFormatException) e;
        } else {
            throw new CaptionConverterException(e);
        }
    }
}

Example 2 with MediaPackageElement

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

the class AbstractAssetManagerBasicTest method testGetFileNameFromUrn.

@Test
public void testGetFileNameFromUrn() throws Exception {
    MediaPackageElement element = new MediaPackageElementBuilderImpl().newElement(Type.Track, MediaPackageElements.PRESENTER_SOURCE);
    Opt<String> fileNameFromUrn = AbstractAssetManager.getFileNameFromUrn(element);
    assertTrue(fileNameFromUrn.isNone());
    element.setURI(URI.create("file://test.txt"));
    fileNameFromUrn = AbstractAssetManager.getFileNameFromUrn(element);
    assertTrue(fileNameFromUrn.isNone());
    element.setURI(URI.create("urn:matterhorn:uuid:22:uuid2:caption-ger.vtt"));
    fileNameFromUrn = AbstractAssetManager.getFileNameFromUrn(element);
    assertTrue(fileNameFromUrn.isSome());
    assertEquals("caption-ger.vtt", fileNameFromUrn.get());
}

Example 3 with MediaPackageElement

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

the class AbstractAssetManagerSelectTest method testSelectSnapshots.

@Test
public void testSelectSnapshots() throws Exception {
    final MediaPackage mp = mkMediaPackage();
    final MediaPackageElement mpe = mkCatalog();
    mp.add(mpe);
    final Snapshot snapshot = am.takeSnapshot(OWNER, mp);
    final Version version = snapshot.getVersion();
    assertThat("Archival date should not be in the future", snapshot.getArchivalDate(), lessThanOrEqualTo(new Date()));
    assertThat("Snapshot should be available", snapshot.getAvailability(), equalTo(Availability.ONLINE));
    assertThat("Snapshot should belong to the default organization", snapshot.getOrganizationId(), equalTo(DefaultOrganization.DEFAULT_ORGANIZATION_ID));
    final Opt<Asset> asset = am.getAsset(version, mp.getIdentifier().toString(), mpe.getIdentifier());
    assertTrue("Asset should be found", asset.isSome());
    assertEquals("Media package element part of the asset ID should equal the element's ID", mpe.getIdentifier(), asset.get().getId().getMediaPackageElementId());
    assertEquals("Mime types should equal", mpe.getMimeType(), asset.get().getMimeType().get());
    assertFalse("Asset should not be found", am.getAsset(version, "id", "id").isSome());
    // try to find the catalog of the media package by checksum
    final MediaPackage mpCopy = MediaPackageSupport.copy(mp);
    am.calcChecksumsForMediaPackageElements(AbstractAssetManager.assetsOnly(mpCopy));
    assertEquals("Media package should be set up with a single catalog", 1, mpCopy.getCatalogs().length);
    final String checksum = mpCopy.getCatalogs()[0].getChecksum().toString();
    assertTrue("Media package element should be retrievable by checksum", am.getDb().findAssetByChecksum(checksum).isSome());
    // issue some queries
    {
        logger.info("Run a failing query");
        assertEquals("The result should not contain any records", 0, q.select(q.snapshot()).where(q.mediaPackageId(mp.getIdentifier().toString()).and(q.availability(Availability.ONLINE))).where(q.mediaPackageId("12")).run().getSize());
    }
    {
        logger.info("Run query to find snapshot");
        final AResult r = q.select(q.snapshot()).where(q.mediaPackageId(mp.getIdentifier().toString()).and(q.availability(Availability.ONLINE))).run();
        assertEquals("The result set should contain exactly one record", 1, r.getSize());
        assertEquals("The media package IDs should be equal", mp.getIdentifier().toString(), r.getRecords().head2().getMediaPackageId());
        assertTrue("The snapshot should be contained in the record", r.getRecords().head2().getSnapshot().isSome());
        assertEquals("The media package IDs should be equal", mp.getIdentifier(), r.getRecords().head2().getSnapshot().get().getMediaPackage().getIdentifier());
    }
    {
        final AResult r = q.select().where(q.mediaPackageId(mp.getIdentifier().toString()).and(q.availability(Availability.ONLINE))).run();
        assertEquals("The result should contain one record", 1, r.getSize());
        assertTrue("The result should not contain a snapshot", r.getRecords().head2().getSnapshot().isNone());
    }
}

Example 4 with MediaPackageElement

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

the class IngestRestService method schedule.

@POST
@Path("schedule/{wdID}")
@RestQuery(name = "schedule", description = "Schedule an event based on the given media package", pathParameters = { @RestParameter(description = "Workflow definition id", isRequired = true, name = "wdID", type = RestParameter.Type.STRING) }, restParameters = { @RestParameter(description = "The media package", isRequired = true, name = "mediaPackage", type = RestParameter.Type.TEXT) }, reponses = { @RestResponse(description = "Event scheduled", responseCode = HttpServletResponse.SC_CREATED), @RestResponse(description = "Media package not valid", responseCode = HttpServletResponse.SC_BAD_REQUEST) }, returnDescription = "")
public Response schedule(@PathParam("wdID") String wdID, MultivaluedMap<String, String> formData) {
    if (StringUtils.isBlank(wdID)) {
        logger.trace("workflow definition id is not specified");
        return Response.status(Response.Status.BAD_REQUEST).build();
    }
    Map<String, String> wfConfig = getWorkflowConfig(formData);
    if (StringUtils.isNotBlank(wdID)) {
        wfConfig.put(CaptureParameters.INGEST_WORKFLOW_DEFINITION, wdID);
    }
    logger.debug("Schedule with workflow definition '{}'", wfConfig.get(WORKFLOW_DEFINITION_ID_PARAM));
    String mediaPackageXml = formData.getFirst("mediaPackage");
    if (StringUtils.isBlank(mediaPackageXml)) {
        logger.debug("Rejected schedule without media package");
        return Response.status(Status.BAD_REQUEST).build();
    }
    MediaPackage mp = null;
    try {
        mp = factory.newMediaPackageBuilder().loadFromXml(mediaPackageXml);
        if (MediaPackageSupport.sanityCheck(mp).isSome()) {
            throw new MediaPackageException("Insane media package");
        }
    } catch (MediaPackageException e) {
        logger.debug("Rejected ingest with invalid media package {}", mp);
        return Response.status(Status.BAD_REQUEST).build();
    }
    MediaPackageElement[] mediaPackageElements = mp.getElementsByFlavor(MediaPackageElements.EPISODE);
    if (mediaPackageElements.length != 1) {
        logger.debug("There can be only one (and exactly one) episode dublin core catalog: https://youtu.be/_J3VeogFUOs");
        return Response.status(Status.BAD_REQUEST).build();
    }
    try {
        ingestService.schedule(mp, wdID, wfConfig);
        return Response.status(Status.CREATED).build();
    } catch (IngestException e) {
        return Response.status(Status.BAD_REQUEST).entity(e.getMessage()).build();
    } catch (SchedulerConflictException e) {
        return Response.status(Status.CONFLICT).entity(e.getMessage()).build();
    } catch (NotFoundException | UnauthorizedException | SchedulerException e) {
        return Response.serverError().build();
    }
}

Example 5 with MediaPackageElement

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

the class IngestServiceImpl method mergeMediaPackageElements.

private void mergeMediaPackageElements(MediaPackage mp, MediaPackage scheduledMp) {
    for (MediaPackageElement element : scheduledMp.getElements()) {
        // Asset manager media package may have a publication element (for live) if retract live has not run yet
        if (!MediaPackageElement.Type.Publication.equals(element.getElementType()) && mp.getElementsByFlavor(element.getFlavor()).length > 0) {
            logger.info("Ignore scheduled element '{}', there is already an ingested element with flavor '{}'", element, element.getFlavor());
            continue;
        }
        logger.info("Adding new scheduled element '{}' to ingested mediapackage", element);
        mp.add(element);
    }
}