Examples with FLVParser org.olat.core.commons.services.video.spi.FLVParser used on opensource projects

Example 1 with FLVParser

use of org.olat.core.commons.services.video.spi.FLVParser in project OpenOLAT by OpenOLAT.

the class MovieServiceImpl method getSize.

@Override
public Size getSize(VFSLeaf media, String suffix) {
    File file = null;
    if (media instanceof VFSCPNamedItem) {
        media = ((VFSCPNamedItem) media).getDelegate();
    }
    if (media instanceof LocalFileImpl) {
        file = ((LocalFileImpl) media).getBasefile();
    }
    if (file == null) {
        return null;
    }
    if (extensions.contains(suffix)) {
        try (RandomAccessFile accessFile = new RandomAccessFile(file, "r")) {
            FileChannel ch = accessFile.getChannel();
            FileChannelWrapper in = new FileChannelWrapper(ch);
            MP4Demuxer demuxer1 = new MP4Demuxer(in);
            org.jcodec.common.model.Size size = demuxer1.getMovie().getDisplaySize();
            // Case 1: standard case, get dimension from movie
            int w = size.getWidth();
            int h = size.getHeight();
            // Case 2: landscape movie from iOS: width and height is negative, no dunny why
            if (w < 0 && h < 0) {
                w = 0 - w;
                h = 0 - h;
            }
            if (w == 0) {
                // something in the track box.
                try {
                    // This code is the way it is just because I don't know
                    // how to safely read the rotation/portrait/landscape
                    // flag of the movie. Those mp4 guys are really
                    // secretive folks, did not find any documentation about
                    // this. Best guess.
                    org.jcodec.common.model.Size size2 = demuxer1.getVideoTrack().getBox().getCodedSize();
                    w = size2.getHeight();
                    h = size2.getWidth();
                } catch (Exception e) {
                    log.debug("can not get size from box " + e.getMessage());
                }
            }
            return new Size(w, h, false);
        } catch (Exception | AssertionError e) {
            log.error("Cannot extract size of: " + media, e);
        }
    } else if (suffix.equals("flv")) {
        try (InputStream stream = new FileInputStream(file)) {
            FLVParser infos = new FLVParser();
            infos.parse(stream);
            if (infos.getWidth() > 0 && infos.getHeight() > 0) {
                int w = infos.getWidth();
                int h = infos.getHeight();
                return new Size(w, h, false);
            }
        } catch (Exception e) {
            log.error("Cannot extract size of: " + media, e);
        }
    }
    return null;
}

Example 2 with FLVParser

use of org.olat.core.commons.services.video.spi.FLVParser in project openolat by klemens.

the class MovieServiceImpl method getSize.

@Override
public Size getSize(VFSLeaf media, String suffix) {
    File file = null;
    if (media instanceof VFSCPNamedItem) {
        media = ((VFSCPNamedItem) media).getDelegate();
    }
    if (media instanceof LocalFileImpl) {
        file = ((LocalFileImpl) media).getBasefile();
    }
    if (file == null) {
        return null;
    }
    if (extensions.contains(suffix)) {
        try (RandomAccessFile accessFile = new RandomAccessFile(file, "r")) {
            FileChannel ch = accessFile.getChannel();
            FileChannelWrapper in = new FileChannelWrapper(ch);
            MP4Demuxer demuxer1 = new MP4Demuxer(in);
            org.jcodec.common.model.Size size = demuxer1.getMovie().getDisplaySize();
            // Case 1: standard case, get dimension from movie
            int w = size.getWidth();
            int h = size.getHeight();
            // Case 2: landscape movie from iOS: width and height is negative, no dunny why
            if (w < 0 && h < 0) {
                w = 0 - w;
                h = 0 - h;
            }
            if (w == 0) {
                // something in the track box.
                try {
                    // This code is the way it is just because I don't know
                    // how to safely read the rotation/portrait/landscape
                    // flag of the movie. Those mp4 guys are really
                    // secretive folks, did not find any documentation about
                    // this. Best guess.
                    org.jcodec.common.model.Size size2 = demuxer1.getVideoTrack().getBox().getCodedSize();
                    w = size2.getHeight();
                    h = size2.getWidth();
                } catch (Exception e) {
                    log.debug("can not get size from box " + e.getMessage());
                }
            }
            return new Size(w, h, false);
        } catch (Exception | AssertionError e) {
            log.error("Cannot extract size of: " + media, e);
        }
    } else if (suffix.equals("flv")) {
        try (InputStream stream = new FileInputStream(file)) {
            FLVParser infos = new FLVParser();
            infos.parse(stream);
            if (infos.getWidth() > 0 && infos.getHeight() > 0) {
                int w = infos.getWidth();
                int h = infos.getHeight();
                return new Size(w, h, false);
            }
        } catch (Exception e) {
            log.error("Cannot extract size of: " + media, e);
        }
    }
    return null;
}