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package org.monte.media.converter;

import org.monte.media.AbstractCodec;
import org.monte.media.Buffer;
import org.monte.media.BufferFlag;
import org.monte.media.Format;
import org.monte.media.math.Rational;


public class AdjustTimeCodec extends AbstractCodec {

    private Rational mediaTime=new Rational(0);

    public AdjustTimeCodec() {
        super(new Format[]{
                    new Format(),
                },
                new Format[]{
                    new Format(),
                });
        name = "Adjust Time";
    }

    public Rational getMediaTime() {
        return mediaTime;
    }

    public void setMediaTime(Rational mediaTime) {
        this.mediaTime = mediaTime;
    }

    @Override
    public Format setInputFormat(Format f) {
        Format fNew = super.setInputFormat(f);
        outputFormat = fNew;
        return fNew;
    }

    @Override
    public int process(Buffer in, Buffer out) {
        out.setMetaTo(in);
        out.setDataTo(in);

            if (mediaTime != null) {
                out.timeStamp = mediaTime;
                mediaTime = mediaTime.add(out.sampleDuration.multiply(out.sampleCount));
            }

        return CODEC_OK;
    }
}