Examples with DashSegmentTimelineParser com.att.aro.core.videoanalysis.parsers.DashSegmentTimelineParser used on opensource projects

Example 1 with DashSegmentTimelineParser

use of com.att.aro.core.videoanalysis.parsers.DashSegmentTimelineParser in project VideoOptimzer by attdevsupport.

the class ManifestBuilderDASH method processSegmentTimeline.

public void processSegmentTimeline(Manifest newManifest, XmlManifestHelper manifestView, String key, boolean isDynamic) {
    // DASH SegmentTimeline
    newManifest.setVideoType(VideoType.DASH_SEGMENTTIMELINE);
    MPDSegmentTimeline mpdSegmentTimeline = (MPDSegmentTimeline) manifestView.getManifest();
    long mediaPresentationDuration = isoConvertDurationTime(mpdSegmentTimeline.getMediaPresentationDuration());
    Pattern nameRegex = Pattern.compile("\\/([^\\/]*)\\/$");
    String[] urlName;
    if ((urlName = stringParse.parse(mpdSegmentTimeline.getBaseURL(), nameRegex)) != null) {
        newManifest.setUrlName(urlName[0]);
    }
    List<PeriodST> periods = mpdSegmentTimeline.getPeriod();
    if (periods.size() > 1) {
        LOG.debug("period count :" + periods.size() + ", " + newManifest.getUriStr());
        return;
    }
    DashSegmentTimelineParser parseDashdynamic = new DashSegmentTimelineParser(mpdSegmentTimeline, newManifest, manifestCollection, childManifest);
    List<AdaptationSetTL> adaptationSetList = parseDashdynamic.getAdaptationSet();
    for (AdaptationSetTL adaptationSet : adaptationSetList) {
        ContentType contentType = manifest.matchContentType(adaptationSet.getContentType());
        if (adaptationSet.getContentType().equals("text")) {
            // skipping Closed Caption for now
            continue;
        }
        SegmentTemplateST segmentTemplate = adaptationSet.getSegmentTemplate();
        SegmentTimeLineST segmentTimelineST = segmentTemplate.getSegmentTimeline();
        List<SegmentST> segmentList;
        if (segmentTimelineST != null && segmentTimelineST.getSegmentList() != null) {
            segmentList = segmentTimelineST.getSegmentList();
        } else {
            segmentList = new ArrayList<>();
        }
        // segment 0 'moov'
        String initialization = segmentTemplate.getInitialization();
        // segment x 'moof'
        String media = segmentTemplate.getMedia();
        Double presentationTimeOffset = StringParse.stringToDouble(segmentTemplate.getPresentationTimeOffset(), 0);
        Double timescale = StringParse.stringToDouble(segmentTemplate.getTimescale(), 1);
        boolean manifestLiveUpdate;
        if (isDynamic && (lastPresentationTimeOffset == -1D || ((Double.compare(lastPresentationTimeOffset, presentationTimeOffset) != 0)))) {
            lastPresentationTimeOffset = presentationTimeOffset;
            switchManifestCollection(newManifest, key, manifest.getRequestTime());
            manifestLiveUpdate = false;
        } else if (isDynamic) {
            manifestLiveUpdate = isDynamic;
            LOG.info("update manifest");
        } else {
            switchManifestCollection(newManifest, key, manifest.getRequestTime());
            manifestLiveUpdate = false;
        }
        manifest.setTimeScale(timescale);
        Integer qualityID = 0;
        for (RepresentationST representation : adaptationSet.getRepresentation()) {
            int segmentID = 0;
            qualityID++;
            String rid = representation.getContentID();
            // generate REGEX for locating Byte position
            String childUriName = media.replaceAll("\\$(RepresentationID)\\$", rid).replaceAll("\\$(Time)\\$", "(\\\\d+)");
            if (manifestLiveUpdate && ((childManifest = manifestCollection.getUriNameChildMap().get(childUriName)) != null)) {
                PatriciaTrie<SegmentInfo> segmentInfoList = childManifest.getSegmentInfoTrie();
                for (String segmentKey : segmentInfoList.keySet()) {
                    SegmentInfo segmentInfo = segmentInfoList.get(segmentKey);
                    int sid = segmentInfo.getSegmentID();
                    if (segmentID < sid) {
                        segmentID = sid + 1;
                    }
                }
            } else {
                // segment 1-end (moof) a regex for all
                childManifest = createChildManifest(newManifest, "", childUriName);
                childManifest.setPixelHeight(StringParse.stringToDouble(representation.getHeight(), 0).intValue());
                childManifest.setPixelWidth(StringParse.stringToDouble(representation.getWidth(), 0).intValue());
                childManifest.setBandwidth(StringParse.stringToDouble(representation.getBandwidth(), 0));
                childManifest.setQuality(qualityID);
                if (!StringUtils.isEmpty(initialization)) {
                    // segment 0 (moov)
                    String moovUriName = initialization.replaceAll("\\$(RepresentationID)\\$", rid);
                    manifestCollection.addToUriNameChildMap(moovUriName, childManifest);
                }
                manifestCollection.addToSegmentChildManifestTrie(childManifest.getUriName(), childManifest);
            }
            String segmentUriName;
            SegmentInfo segmentInfo;
            Double timePos = 0D;
            Double duration = 0D;
            Double repetition = 0D;
            if (segmentList.size() > 0) {
                SegmentST segment0 = segmentList.get(0);
                timePos = StringParse.stringToDouble(segment0.getStartTime(), 0);
                if (childManifest.getInitialStartTime() == -1) {
                    initialStartTime = timePos;
                    childManifest.setInitialStartTime(initialStartTime);
                }
                // segment moov
                segmentInfo = genSegmentInfo(contentType, timescale, qualityID, segmentID, timePos - initialStartTime, 0D);
                segmentUriName = initialization.replaceAll("\\$(.*)\\$", rid);
                LOG.debug(String.format("moov >> %d :%s", segmentID, segmentUriName));
                masterManifest.getSegUrlMatchDef().add(defineUrlMatching(segmentUriName));
                segmentInfo = childManifest.addSegment(segmentUriName, segmentInfo);
                addToSegmentManifestCollectionMap(segmentUriName);
                // segments moof
                segmentID = 1;
                for (SegmentST segment : segmentList) {
                    duration = StringParse.stringToDouble(segment.getDuration(), 0);
                    repetition = StringParse.stringToDouble(segment.getRepeat(), 0);
                    for (Double countdown = repetition; countdown > -1; countdown--) {
                        segmentInfo = genSegmentInfo(contentType, timescale, qualityID, segmentID, timePos - initialStartTime, duration);
                        segmentUriName = media.replaceAll("\\$(RepresentationID)\\$", rid).replaceAll("\\$(Time)\\$", String.format("%.0f", timePos));
                        masterManifest.getSegUrlMatchDef().add(defineUrlMatching(segmentUriName));
                        addToSegmentManifestCollectionMap(segmentUriName);
                        LOG.debug(String.format("moof >> %d :%s", segmentID, segmentUriName));
                        segmentInfo = childManifest.addSegment(segmentUriName, segmentInfo);
                        timePos += duration;
                        segmentID = segmentInfo.getSegmentID() + 1;
                    }
                }
            }
            addToSegmentManifestCollectionMap(childManifest.getUriName());
        }
        if (getChildManifest() == null) {
            childManifest = createChildManifest(newManifest, "", newManifest.getUriStr());
        }
        if (adaptationSet.getContentType().equals("audio")) {
            if (adaptationSet.getAudioChannelConfiguration() != null) {
                childManifest.setChannels(adaptationSet.getAudioChannelConfiguration().getValue());
            }
        }
    }
}