Examples with SmilMediaObject org.opencastproject.smil.entity.media.api.SmilMediaObject used on opensource projects

Example 6 with SmilMediaObject

use of org.opencastproject.smil.entity.media.api.SmilMediaObject in project opencast by opencast.

the class SmilServiceImplTest method testAddClipWithParamGroupId.

/**
 * passing a previously created paramGroupId
 */
@Test
public void testAddClipWithParamGroupId() throws Exception {
    // first, create SMIL with 1 par, 1 video
    TrackImpl videoTrack = new TrackImpl();
    videoTrack.setIdentifier("presenter-track-1");
    videoTrack.setFlavor(new MediaPackageElementFlavor("source", "presenter"));
    videoTrack.setURI(new URI("http://hostname/video.mp4"));
    videoTrack.addStream(new VideoStreamImpl());
    videoTrack.setDuration(1000000000000L);
    SmilResponse smilResponse = smilService.createNewSmil();
    smilResponse = smilService.addParallel(smilResponse.getSmil());
    SmilMediaContainer par = (SmilMediaContainer) smilResponse.getEntity();
    // add video track into parallel element
    smilResponse = smilService.addClip(smilResponse.getSmil(), par.getId(), videoTrack, 1000L, 1000000L);
    SmilMediaObject media = null;
    for (SmilObject entity : smilResponse.getEntities()) {
        if (entity instanceof SmilMediaObject) {
            media = (SmilMediaObject) entity;
            break;
        }
    }
    assertNotNull(media);
    assertEquals(media.getId(), ((SmilMediaContainer) smilResponse.getSmil().getBody().getMediaElements().get(0)).getElements().get(0).getId());
    assertTrue(media instanceof SmilMediaVideoImpl);
    assertSame(((SmilMediaElement) media).getMediaType(), SmilMediaElement.MediaType.VIDEO);
    // 1000 milliseconds = 1 second
    assertEquals(1000L, ((SmilMediaElement) media).getClipBeginMS());
    // duration is 1000000 milliseconds = 1000 soconds
    // start + duration = 1s + 1000s = 1001s
    assertEquals(1001000L, ((SmilMediaElement) media).getClipEndMS());
    // get param group id
    List<SmilMediaParamGroup> groups = smilResponse.getSmil().getHead().getParamGroups();
    assertEquals(1, groups.size());
    String paramGroupId = groups.get(0).getId();
    // then, create a 2nd par with 1 video with the same param group id
    TrackImpl videoTrack2 = new TrackImpl();
    videoTrack2.setIdentifier("presenter-track-2");
    videoTrack2.setFlavor(new MediaPackageElementFlavor("source2", "presenter"));
    videoTrack2.setURI(new URI("http://hostname/video2.mp4"));
    videoTrack2.addStream(new VideoStreamImpl());
    videoTrack2.setDuration(2000000000000L);
    smilResponse = smilService.addParallel(smilResponse.getSmil());
    SmilMediaContainer par2 = null;
    for (SmilObject entity : smilResponse.getEntities()) {
        if (entity instanceof SmilMediaContainer && !entity.getId().equals(par.getId())) {
            par2 = (SmilMediaContainer) entity;
            break;
        }
    }
    // add video track into parallel element
    smilResponse = smilService.addClip(smilResponse.getSmil(), par2.getId(), videoTrack2, 2000L, 2000000L, paramGroupId);
    SmilMediaObject media2 = null;
    for (SmilObject entity : smilResponse.getEntities()) {
        if (entity instanceof SmilMediaObject && !entity.getId().equals(media.getId())) {
            media2 = (SmilMediaObject) entity;
            break;
        }
    }
    assertNotNull(media2);
    SmilMediaElement mediaElement2 = (SmilMediaElement) ((SmilMediaContainer) smilResponse.getSmil().getBody().getMediaElements().get(1)).getElements().get(0);
    assertEquals(media2.getId(), mediaElement2.getId());
    assertTrue(media2 instanceof SmilMediaVideoImpl);
    assertSame(((SmilMediaElement) media2).getMediaType(), SmilMediaElement.MediaType.VIDEO);
    // 1000 milliseconds = 1 second
    assertEquals(2000L, ((SmilMediaElement) media2).getClipBeginMS());
    // duration is 2000000 milliseconds = 2000 seconds
    // start + duration = 2s + 2000s = 2002s
    assertEquals(2002000L, ((SmilMediaElement) media2).getClipEndMS());
    // make sure there's still 1 param group
    groups = smilResponse.getSmil().getHead().getParamGroups();
    assertEquals(1, groups.size());
    // make sure that the media element has the previous param groupo id
    assertEquals(paramGroupId, mediaElement2.getParamGroup());
}

Example 7 with SmilMediaObject

use of org.opencastproject.smil.entity.media.api.SmilMediaObject in project opencast by opencast.

the class VideoEditorServiceImpl method processSmil.

/**
 * Splice segments given by smil document for the given track to the new one.
 *
 * @param job
 *          processing job
 * @param smil
 *          smil document with media segments description
 * @param trackParamGroupId
 * @return processed track
 * @throws ProcessFailedException
 *           if an error occured
 */
protected Track processSmil(Job job, Smil smil, String trackParamGroupId) throws ProcessFailedException {
    SmilMediaParamGroup trackParamGroup;
    ArrayList<String> inputfile = new ArrayList<>();
    ArrayList<VideoClip> videoclips = new ArrayList<>();
    try {
        trackParamGroup = (SmilMediaParamGroup) smil.get(trackParamGroupId);
    } catch (SmilException ex) {
        // can't be thrown, because we found the Id in processSmil(Smil)
        throw new ProcessFailedException("Smil does not contain a paramGroup element with Id " + trackParamGroupId);
    }
    MediaPackageElementFlavor sourceTrackFlavor = null;
    String sourceTrackUri = null;
    // get source track metadata
    for (SmilMediaParam param : trackParamGroup.getParams()) {
        if (SmilMediaParam.PARAM_NAME_TRACK_SRC.equals(param.getName())) {
            sourceTrackUri = param.getValue();
        } else if (SmilMediaParam.PARAM_NAME_TRACK_FLAVOR.equals(param.getName())) {
            sourceTrackFlavor = MediaPackageElementFlavor.parseFlavor(param.getValue());
        }
    }
    File sourceFile;
    try {
        sourceFile = workspace.get(new URI(sourceTrackUri));
    } catch (IOException ex) {
        throw new ProcessFailedException("Can't read " + sourceTrackUri);
    } catch (NotFoundException ex) {
        throw new ProcessFailedException("Workspace does not contain a track " + sourceTrackUri);
    } catch (URISyntaxException ex) {
        throw new ProcessFailedException("Source URI " + sourceTrackUri + " is not valid.");
    }
    // inspect input file to retrieve media information
    Job inspectionJob;
    Track sourceTrack;
    try {
        inspectionJob = inspect(job, new URI(sourceTrackUri));
        sourceTrack = (Track) MediaPackageElementParser.getFromXml(inspectionJob.getPayload());
    } catch (URISyntaxException e) {
        throw new ProcessFailedException("Source URI " + sourceTrackUri + " is not valid.");
    } catch (MediaInspectionException e) {
        throw new ProcessFailedException("Media inspection of " + sourceTrackUri + " failed", e);
    } catch (MediaPackageException e) {
        throw new ProcessFailedException("Deserialization of source track " + sourceTrackUri + " failed", e);
    }
    // get output file extension
    String outputFileExtension = properties.getProperty(VideoEditorProperties.DEFAULT_EXTENSION, ".mp4");
    outputFileExtension = properties.getProperty(VideoEditorProperties.OUTPUT_FILE_EXTENSION, outputFileExtension);
    if (!outputFileExtension.startsWith(".")) {
        outputFileExtension = '.' + outputFileExtension;
    }
    // create working directory
    File tempDirectory = new File(new File(workspace.rootDirectory()), "editor");
    tempDirectory = new File(tempDirectory, Long.toString(job.getId()));
    String filename = String.format("%s-%s%s", sourceTrackFlavor, sourceFile.getName(), outputFileExtension);
    File outputPath = new File(tempDirectory, filename);
    if (!outputPath.getParentFile().exists()) {
        outputPath.getParentFile().mkdirs();
    }
    URI newTrackURI;
    // default source - add to source table as 0
    inputfile.add(sourceFile.getAbsolutePath());
    // index = 0
    int srcIndex = inputfile.indexOf(sourceFile.getAbsolutePath());
    logger.info("Start processing srcfile {}", sourceFile.getAbsolutePath());
    try {
        // parse body elements
        for (SmilMediaObject element : smil.getBody().getMediaElements()) {
            // body should contain par elements
            if (element.isContainer()) {
                SmilMediaContainer container = (SmilMediaContainer) element;
                if (SmilMediaContainer.ContainerType.PAR == container.getContainerType()) {
                    // par element should contain media elements
                    for (SmilMediaObject elementChild : container.getElements()) {
                        if (!elementChild.isContainer()) {
                            SmilMediaElement media = (SmilMediaElement) elementChild;
                            if (trackParamGroupId.equals(media.getParamGroup())) {
                                long begin = media.getClipBeginMS();
                                long end = media.getClipEndMS();
                                URI clipTrackURI = media.getSrc();
                                File clipSourceFile = null;
                                if (clipTrackURI != null) {
                                    try {
                                        clipSourceFile = workspace.get(clipTrackURI);
                                    } catch (IOException ex) {
                                        throw new ProcessFailedException("Can't read " + clipTrackURI);
                                    } catch (NotFoundException ex) {
                                        throw new ProcessFailedException("Workspace does not contain a track " + clipTrackURI);
                                    }
                                }
                                int index;
                                if (clipSourceFile != null) {
                                    // clip has different source
                                    // Look for known tracks
                                    index = inputfile.indexOf(clipSourceFile.getAbsolutePath());
                                    if (index == -1) {
                                        // add new track
                                        inputfile.add(clipSourceFile.getAbsolutePath());
                                    // TODO: inspect each new video file, bad input will throw exc
                                    }
                                    index = inputfile.indexOf(clipSourceFile.getAbsolutePath());
                                } else {
                                    // default src
                                    index = srcIndex;
                                }
                                videoclips.add(new VideoClip(index, begin / 1000.0, end / 1000.0));
                            }
                        } else {
                            throw new ProcessFailedException("Smil container '" + ((SmilMediaContainer) elementChild).getContainerType().toString() + "'is not supportet yet");
                        }
                    }
                } else {
                    throw new ProcessFailedException("Smil container '" + container.getContainerType().toString() + "'is not supportet yet");
                }
            }
        }
        // remove very short cuts that will look bad
        List<VideoClip> cleanclips = sortSegments(videoclips);
        String error = null;
        // TODO: fetch the largest output resolution from SMIL.head.layout.root-layout
        String outputResolution = "";
        // When outputResolution is set to WxH, all clips are scaled to that size in the output video.
        // TODO: Each clips could have a region id, relative to the root-layout
        // Then each clip is zoomed/panned/padded to WxH befor concatenation
        FFmpegEdit ffmpeg = new FFmpegEdit(properties);
        error = ffmpeg.processEdits(inputfile, outputPath.getAbsolutePath(), outputResolution, cleanclips, sourceTrack.hasAudio(), sourceTrack.hasVideo());
        if (error != null) {
            FileUtils.deleteQuietly(tempDirectory);
            throw new ProcessFailedException("Editing pipeline exited abnormaly! Error: " + error);
        }
        // create Track for edited file
        String newTrackId = idBuilder.createNew().toString();
        InputStream in = new FileInputStream(outputPath);
        try {
            newTrackURI = workspace.putInCollection(COLLECTION_ID, String.format("%s-%s%s", sourceTrackFlavor.getType(), newTrackId, outputFileExtension), in);
        } catch (IllegalArgumentException ex) {
            throw new ProcessFailedException("Copy track into workspace failed! " + ex.getMessage());
        } finally {
            IOUtils.closeQuietly(in);
            FileUtils.deleteQuietly(tempDirectory);
        }
        // inspect new Track
        try {
            inspectionJob = inspect(job, newTrackURI);
        } catch (MediaInspectionException e) {
            throw new ProcessFailedException("Media inspection of " + newTrackURI + " failed", e);
        }
        Track editedTrack = (Track) MediaPackageElementParser.getFromXml(inspectionJob.getPayload());
        logger.info("Finished editing track {}", editedTrack);
        editedTrack.setIdentifier(newTrackId);
        editedTrack.setFlavor(new MediaPackageElementFlavor(sourceTrackFlavor.getType(), SINK_FLAVOR_SUBTYPE));
        return editedTrack;
    } catch (MediaInspectionException ex) {
        throw new ProcessFailedException("Inspecting encoded Track failed with: " + ex.getMessage());
    } catch (MediaPackageException ex) {
        throw new ProcessFailedException("Unable to serialize edited Track! " + ex.getMessage());
    } catch (Exception ex) {
        throw new ProcessFailedException("Unable to process SMIL: " + ex.getMessage(), ex);
    } finally {
        FileUtils.deleteQuietly(tempDirectory);
    }
}

Example 8 with SmilMediaObject

use of org.opencastproject.smil.entity.media.api.SmilMediaObject in project opencast by opencast.

the class SmilServiceMock method createSmilServiceMock.

public static SmilService createSmilServiceMock(URI mpSmilURI) throws IOException, SmilException, URISyntaxException, JAXBException, SAXException {
    /* Start of Smil mockups */
    String smilString = IOUtils.toString(mpSmilURI);
    String trackSrc = "abc";
    String trackParamGroupId = "pg-a6d8e576-495f-44c7-8ed7-b5b47c807f0f";
    SmilMediaParam param1 = EasyMock.createNiceMock(SmilMediaParam.class);
    EasyMock.expect(param1.getName()).andReturn("track-id").anyTimes();
    EasyMock.expect(param1.getValue()).andReturn("track-1").anyTimes();
    EasyMock.expect(param1.getId()).andReturn("param-e2f41e7d-caba-401b-a03a-e524296cb235").anyTimes();
    SmilMediaParam param2 = EasyMock.createNiceMock(SmilMediaParam.class);
    EasyMock.expect(param2.getName()).andReturn("track-src").anyTimes();
    EasyMock.expect(param2.getValue()).andReturn(trackSrc).anyTimes();
    EasyMock.expect(param2.getId()).andReturn("param-1bd5e839-0a74-4310-b1d2-daba07914f79").anyTimes();
    SmilMediaParam param3 = EasyMock.createNiceMock(SmilMediaParam.class);
    EasyMock.expect(param3.getName()).andReturn("track-flavor").anyTimes();
    EasyMock.expect(param3.getValue()).andReturn("presenter/work").anyTimes();
    EasyMock.expect(param3.getId()).andReturn("param-1bd5e839-0a74-4310-b1d2-daba07914f79").anyTimes();
    EasyMock.replay(param1, param2, param3);
    List<SmilMediaParam> params = new ArrayList<SmilMediaParam>();
    params.add(param1);
    params.add(param2);
    params.add(param3);
    SmilMediaParamGroup group1 = EasyMock.createNiceMock(SmilMediaParamGroup.class);
    EasyMock.expect(group1.getParams()).andReturn(params).anyTimes();
    EasyMock.expect(group1.getId()).andReturn(trackParamGroupId).anyTimes();
    EasyMock.replay(group1);
    List<SmilMediaParamGroup> paramGroups = new ArrayList<SmilMediaParamGroup>();
    paramGroups.add(group1);
    SmilHead head = EasyMock.createNiceMock(SmilHead.class);
    EasyMock.expect(head.getParamGroups()).andReturn(paramGroups).anyTimes();
    EasyMock.replay(head);
    SmilMediaElement object1 = EasyMock.createNiceMock(SmilMediaElement.class);
    EasyMock.expect(object1.isContainer()).andReturn(false).anyTimes();
    EasyMock.expect(object1.getParamGroup()).andReturn(trackParamGroupId).anyTimes();
    EasyMock.expect(object1.getClipBeginMS()).andReturn(0L).anyTimes();
    EasyMock.expect(object1.getClipEndMS()).andReturn(2449L).anyTimes();
    EasyMock.expect(object1.getSrc()).andReturn(new URI(trackSrc)).anyTimes();
    EasyMock.replay(object1);
    SmilMediaElement object2 = EasyMock.createNiceMock(SmilMediaElement.class);
    EasyMock.expect(object2.isContainer()).andReturn(false).anyTimes();
    EasyMock.expect(object2.getParamGroup()).andReturn(trackParamGroupId).anyTimes();
    EasyMock.expect(object2.getClipBeginMS()).andReturn(4922L).anyTimes();
    EasyMock.expect(object2.getClipEndMS()).andReturn(11284L).anyTimes();
    EasyMock.expect(object2.getSrc()).andReturn(new URI(trackSrc)).anyTimes();
    EasyMock.replay(object2);
    SmilMediaElement object3 = EasyMock.createNiceMock(SmilMediaElement.class);
    EasyMock.expect(object3.isContainer()).andReturn(false).anyTimes();
    EasyMock.expect(object3.getParamGroup()).andReturn(trackParamGroupId).anyTimes();
    EasyMock.expect(object3.getClipBeginMS()).andReturn(14721L).anyTimes();
    EasyMock.expect(object3.getClipEndMS()).andReturn(15963L).anyTimes();
    EasyMock.expect(object3.getSrc()).andReturn(new URI(trackSrc)).anyTimes();
    EasyMock.replay(object3);
    SmilMediaElement object4 = EasyMock.createNiceMock(SmilMediaElement.class);
    EasyMock.expect(object4.isContainer()).andReturn(false).anyTimes();
    EasyMock.expect(object4.getParamGroup()).andReturn(trackParamGroupId).anyTimes();
    EasyMock.expect(object4.getClipBeginMS()).andReturn(15963L).anyTimes();
    EasyMock.expect(object4.getClipEndMS()).andReturn(20132L).anyTimes();
    EasyMock.expect(object4.getSrc()).andReturn(new URI(trackSrc)).anyTimes();
    EasyMock.replay(object4);
    List<SmilMediaObject> objects1 = new ArrayList<SmilMediaObject>();
    objects1.add(object1);
    List<SmilMediaObject> objects2 = new ArrayList<SmilMediaObject>();
    objects2.add(object2);
    List<SmilMediaObject> objects3 = new ArrayList<SmilMediaObject>();
    objects3.add(object3);
    List<SmilMediaObject> objects4 = new ArrayList<SmilMediaObject>();
    objects4.add(object4);
    SmilMediaContainer objectContainer1 = EasyMock.createNiceMock(SmilMediaContainer.class);
    EasyMock.expect(objectContainer1.isContainer()).andReturn(true).anyTimes();
    EasyMock.expect(objectContainer1.getContainerType()).andReturn(SmilMediaContainer.ContainerType.PAR).anyTimes();
    EasyMock.expect(objectContainer1.getElements()).andReturn(objects1).anyTimes();
    EasyMock.expect(objectContainer1.getId()).andReturn("container1").anyTimes();
    EasyMock.replay(objectContainer1);
    SmilMediaContainer objectContainer2 = EasyMock.createNiceMock(SmilMediaContainer.class);
    EasyMock.expect(objectContainer2.isContainer()).andReturn(true).anyTimes();
    EasyMock.expect(objectContainer2.getContainerType()).andReturn(SmilMediaContainer.ContainerType.PAR).anyTimes();
    EasyMock.expect(objectContainer2.getElements()).andReturn(objects2).anyTimes();
    EasyMock.expect(objectContainer2.getId()).andReturn("container2").anyTimes();
    EasyMock.replay(objectContainer2);
    SmilMediaContainer objectContainer3 = EasyMock.createNiceMock(SmilMediaContainer.class);
    EasyMock.expect(objectContainer3.isContainer()).andReturn(true).anyTimes();
    EasyMock.expect(objectContainer3.getContainerType()).andReturn(SmilMediaContainer.ContainerType.PAR).anyTimes();
    EasyMock.expect(objectContainer3.getElements()).andReturn(objects3).anyTimes();
    EasyMock.expect(objectContainer3.getId()).andReturn("container3").anyTimes();
    EasyMock.replay(objectContainer3);
    SmilMediaContainer objectContainer4 = EasyMock.createNiceMock(SmilMediaContainer.class);
    EasyMock.expect(objectContainer4.isContainer()).andReturn(true).anyTimes();
    EasyMock.expect(objectContainer4.getContainerType()).andReturn(SmilMediaContainer.ContainerType.PAR).anyTimes();
    EasyMock.expect(objectContainer4.getElements()).andReturn(objects4).anyTimes();
    EasyMock.expect(objectContainer4.getId()).andReturn("container4").anyTimes();
    EasyMock.replay(objectContainer4);
    List<SmilMediaObject> containerObjects = new ArrayList<SmilMediaObject>();
    containerObjects.add(objectContainer1);
    containerObjects.add(objectContainer2);
    containerObjects.add(objectContainer3);
    containerObjects.add(objectContainer4);
    SmilBody body = EasyMock.createNiceMock(SmilBody.class);
    EasyMock.expect(body.getMediaElements()).andReturn(containerObjects).anyTimes();
    EasyMock.replay(body);
    Smil smil = EasyMock.createNiceMock(Smil.class);
    EasyMock.expect(smil.get(trackParamGroupId)).andReturn(group1).anyTimes();
    EasyMock.expect(smil.getBody()).andReturn(body).anyTimes();
    EasyMock.expect(smil.getHead()).andReturn(head).anyTimes();
    EasyMock.expect(smil.toXML()).andReturn(smilString).anyTimes();
    EasyMock.expect(smil.getId()).andReturn("s-ec404c2a-5092-4cd4-8717-7b7bbc244656").anyTimes();
    EasyMock.replay(smil);
    SmilResponse response = EasyMock.createNiceMock(SmilResponse.class);
    EasyMock.expect(response.getSmil()).andReturn(smil).anyTimes();
    EasyMock.expect(response.getEntity()).andReturn(object4).anyTimes();
    EasyMock.replay(response);
    SmilService smilService = EasyMock.createNiceMock(SmilService.class);
    EasyMock.expect(smilService.createNewSmil((MediaPackage) EasyMock.anyObject())).andReturn(response).anyTimes();
    EasyMock.expect(smilService.fromXml(EasyMock.anyString())).andReturn(response).anyTimes();
    EasyMock.expect(smilService.fromXml((File) EasyMock.anyObject())).andReturn(response).anyTimes();
    EasyMock.expect(smilService.removeSmilElement((Smil) EasyMock.anyObject(), EasyMock.anyString())).andReturn(response).anyTimes();
    EasyMock.expect(smilService.addParallel(smil)).andReturn(response).anyTimes();
    EasyMock.expect(smilService.addClips((Smil) EasyMock.anyObject(), (String) EasyMock.anyObject(), (Track[]) EasyMock.anyObject(), EasyMock.anyLong(), EasyMock.anyLong())).andReturn(response).anyTimes();
    EasyMock.replay(smilService);
    return smilService;
}