Examples with VideoMediaMapper org.olat.modules.video.manager.VideoMediaMapper used on opensource projects

Example 6 with VideoMediaMapper

use of org.olat.modules.video.manager.VideoMediaMapper in project OpenOLAT by OpenOLAT.

the class VideoDisplayController method loadVideo.

/**
 * Internal helper to do the actual video loading, checking for transcoded versions and captions
 * @param ureq
 * @param video
 */
private void loadVideo(UserRequest ureq, VFSLeaf video) {
    mainVC.contextPut("title", entry.getDisplayname());
    String desc = (descriptionText != null ? descriptionText : entry.getDescription());
    setText(desc, "description");
    String authors = entry.getAuthors();
    mainVC.contextPut("authors", (StringHelper.containsNonWhitespace(authors) ? authors : null));
    if (video != null) {
        // get resolution of master video resource
        Size masterResolution = videoManager.getVideoResolutionFromOLATResource(entry.getOlatResource());
        String masterTitle = videoManager.getDisplayTitleForResolution(masterResolution.getHeight(), getTranslator());
        String masterSize = " (" + Formatter.formatBytes(videoManager.getVideoMetadata(entry.getOlatResource()).getSize()) + ")";
        boolean addMaster = true;
        // Mapper for Video
        String masterMapperId = "master-" + entry.getOlatResource().getResourceableId();
        String masterUrl = registerCacheableMapper(ureq, masterMapperId, new VideoMediaMapper(videoManager.getMasterContainer(entry.getOlatResource())));
        mainVC.contextPut("masterUrl", masterUrl);
        // Mapper for versions specific because not in same base as the resource itself
        String transcodingMapperId = "transcoding-" + entry.getOlatResource().getResourceableId();
        VFSContainer transcodedContainer = videoManager.getTranscodingContainer(entry.getOlatResource());
        String transcodedUrl = registerCacheableMapper(ureq, transcodingMapperId, new VideoMediaMapper(transcodedContainer));
        mainVC.contextPut("transcodedUrl", transcodedUrl);
        // Add transcoded versions
        List<VideoTranscoding> videos = videoManager.getVideoTranscodings(entry.getOlatResource());
        List<VideoTranscoding> readyToPlayVideos = new ArrayList<>();
        List<String> displayTitles = new ArrayList<>();
        int preferredAvailableResolution = 0;
        for (VideoTranscoding videoTranscoding : videos) {
            if (videoTranscoding.getStatus() == VideoTranscoding.TRANSCODING_STATUS_DONE) {
                readyToPlayVideos.add(videoTranscoding);
                // Check if at least one has equal height, else use master as resource
                addMaster &= videoTranscoding.getHeight() < masterResolution.getHeight();
                // Use the users preferred resolution or the next higher resolution
                if (videoTranscoding.getResolution() >= userPreferredResolution.intValue()) {
                    preferredAvailableResolution = readyToPlayVideos.size() - 1;
                }
                // Calculate title. Standard title for standard resolution, original title if not standard resolution
                String title = videoManager.getDisplayTitleForResolution(videoTranscoding.getResolution(), getTranslator());
                displayTitles.add(title);
            }
        }
        mainVC.contextPut("addMaster", addMaster);
        mainVC.contextPut("masterTitle", masterTitle + masterSize);
        mainVC.contextPut("videos", readyToPlayVideos);
        mainVC.contextPut("displayTitles", displayTitles);
        mainVC.contextPut("useSourceChooser", Boolean.valueOf(readyToPlayVideos.size() > 1));
        mainVC.contextPut(GUIPREF_KEY_PREFERRED_RESOLUTION, preferredAvailableResolution);
        // Check for null-value posters
        VFSLeaf poster = videoManager.getPosterframe(entry.getOlatResource());
        mainVC.contextPut("usePoster", Boolean.valueOf(poster != null && poster.getSize() > 0));
        // Load the track from config
        Map<String, String> trackfiles = new HashMap<String, String>();
        Map<String, VFSLeaf> configTracks = videoManager.getAllTracks(entry.getOlatResource());
        for (HashMap.Entry<String, VFSLeaf> track : configTracks.entrySet()) {
            trackfiles.put(track.getKey(), track.getValue().getName());
        }
        mainVC.contextPut("trackfiles", trackfiles);
        // Load video chapter if available
        mainVC.contextPut("hasChapters", videoManager.hasChapters(entry.getOlatResource()));
        // Add duration without preloading video
        String duration = entry.getExpenditureOfWork();
        if (!StringHelper.containsNonWhitespace(duration)) {
            duration = "00:00";
        }
        mainVC.contextPut("duration", duration);
    }
}