Example usage for org.apache.commons.lang.math Fraction getFraction

Introduction

In this page you can find the example usage for org.apache.commons.lang.math Fraction getFraction.

Prototype

public static Fraction getFraction(String str) 

Source Link

Document

Creates a Fraction from a String.

The formats accepted are:

1. double String containing a dot
2. 'X Y/Z'
3. 'Y/Z'
4. 'X' (a simple whole number)

and a .

Usage

From source file:com.castlabs.csf.manifest.ManifestHelper.java

/**
 * Creates a representation and adjusts the AdaptionSet's attributes maxFrameRate, maxWidth, maxHeight.
 * Also creates AudioChannelConfiguration.
 *///from w  w  w .jav a  2  s  .c  o m
public static RepresentationType createRepresentation(AdaptationSetType adaptationSet, IsoFile track) {
    RepresentationType representation = adaptationSet.addNewRepresentation();
    ContentInformationBox contentInformationBox = Path.getPath(track, "/moov[0]/cinf[0]");
    representation.setId(contentInformationBox.getIdEntries().get("urn:dece:asset_id"));

    String handler = ((HandlerBox) Path.getPath(track, "/moov[0]/trak[0]/mdia[0]/hdlr[0]")).getHandlerType();
    if (handler.equals("vide")) {
        VisualSampleEntry vse = Path.getPath(track, "/moov[0]/trak[0]/mdia[0]/minf[0]/stbl[0]/stsd[0]/....[0]");
        long videoHeight = (long) vse.getHeight();
        long videoWidth = (long) vse.getWidth();

        TrackRunBox trun = Path.getPath(track, "/moof[0]/traf[0]/trun[0]");
        MediaHeaderBox mdhd = Path.getPath(track, "/moov[0]/trak[0]/mdia[0]/mdhd[0]");
        // assuming constant framerate
        long sampleDuration;
        if (trun.isSampleDurationPresent()) {
            sampleDuration = trun.getEntries().get(0).getSampleDuration();
        } else {
            TrackFragmentHeaderBox tfhd = Path.getPath(track, "/moof[0]/traf[0]/tfhd[0]");
            if (tfhd.hasDefaultSampleDuration()) {
                sampleDuration = tfhd.getDefaultSampleDuration();
            } else {
                TrackExtendsBox trex = Path.getPath(track, "/moov[0]/mvex[0]/trex[0]");
                sampleDuration = trex.getDefaultSampleDuration();
            }
        }

        double framesPerSecond = mdhd.getTimescale() / sampleDuration;

        adaptationSet.setMaxFrameRate(convertFramerate(Math.max(adaptationSet.isSetMaxFrameRate()
                ? Fraction.getFraction(adaptationSet.getMaxFrameRate()).doubleValue()
                : 0, framesPerSecond)));

        adaptationSet.setMaxWidth(
                Math.max(adaptationSet.isSetMaxWidth() ? adaptationSet.getMaxWidth() : 0, videoWidth));
        adaptationSet.setMaxHeight(
                Math.max(adaptationSet.isSetMaxHeight() ? adaptationSet.getMaxHeight() : 0, videoHeight));

        adaptationSet.setPar("1:1");
        // too hard to find it out. Ignoring even though it should be set according to DASH-AVC-264-v2.00-hd-mca.pdf

        representation.setCodecs(DashHelper.getRfc6381Codec(vse));
        representation.setWidth(videoWidth);
        representation.setHeight(videoHeight);
        representation.setFrameRate(convertFramerate(framesPerSecond));
        representation.setSar("1:1");
        // too hard to find it out. Ignoring even though it should be set according to DASH-AVC-264-v2.00-hd-mca.pdf
    }

    if (handler.equals("soun")) {
        AudioSampleEntry ase = Path.getPath(track, "/moov[0]/trak[0]/mdia[0]/minf[0]/stbl[0]/stsd[0]/....[0]");
        representation.setCodecs(DashHelper.getRfc6381Codec(ase));
        representation.setAudioSamplingRate(String.valueOf(ase.getSampleRate()));

        DescriptorType audio_channel_conf = representation.addNewAudioChannelConfiguration();
        DashHelper.ChannelConfiguration cc = DashHelper.getChannelConfiguration(ase);
        audio_channel_conf.setSchemeIdUri(cc.schemeIdUri);
        audio_channel_conf.setValue(cc.value);

    }
    return representation;
}

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From source file:pcgen.cdom.facet.analysis.ChallengeRatingFacet.java

public int getXPAward(CharID id) {
    Map<String, Integer> xpAwardsMap = SettingsHandler.getGame().getXPAwards();

    if (xpAwardsMap.size() > 0) {
        Float cr = getCR(id);/*from ww w  .  jav  a2  s  .  c  om*/
        if (cr.isNaN() || cr == 0) {
            return 0;
        }
        String crString = "";
        String crAsString = Float.toString(cr);
        String decimalPlaceValue = crAsString.substring(crAsString.length() - 2);

        // If the CR is a fractional CR then we convert to a 1/x format
        if (cr > 0 && cr < 1) {
            Fraction fraction = Fraction.getFraction(cr);// new Fraction(CR);
            int denominator = fraction.getDenominator();
            int numerator = fraction.getNumerator();
            crString = numerator + "/" + denominator;
        } else if (cr >= 1 || cr == 0) {
            int newCr = -99;
            if (decimalPlaceValue.equals(".0")) {
                newCr = (int) cr.floatValue();
            }

            if (newCr > -99) {
                crString = crString + newCr;
            } else {
                crString = crString + cr;
            }
        }
        return xpAwardsMap.get(crString);
    }
    return 0;
}

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From source file:plugin.exporttokens.CRToken.java

/**
 * @see pcgen.io.exporttoken.Token#getToken(java.lang.String, pcgen.core.PlayerCharacter, pcgen.io.ExportHandler)
 *///w w  w.  ja va  2  s. c om
@Override
public String getToken(String tokenSource, CharacterDisplay display, ExportHandler eh) {
    String retString = "";
    Float cr = display.calcCR();

    String crAsString = Float.toString(cr);
    String decimalPlaceValue = crAsString.substring(crAsString.length() - 2);

    if (cr > 0 && cr < 1) {
        // If the CR is a fractional CR then we convert to a 1/x format
        Fraction fraction = Fraction.getFraction(cr);// new Fraction(CR);
        int denominator = fraction.getDenominator();
        int numerator = fraction.getNumerator();
        retString = numerator + "/" + denominator;
    } else if (cr >= 1 || cr == 0) {
        int newCr = -99;
        if (decimalPlaceValue.equals(".0")) {
            newCr = (int) cr.floatValue();
        }

        if (newCr > -99) {
            retString = retString + newCr;
        } else {
            retString = retString + cr;
        }
    } else if (cr.isNaN()) {
        retString = "0";
    }
    return retString;
}

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