org.monte.media.avi.DataChunkOutputStream Maven / Gradle / Ivy

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package org.monte.media.avi;

import java.io.*;


public class DataChunkOutputStream extends FilterOutputStream {

    
    protected long written;
    
    private boolean forwardFlushAndClose;

    public DataChunkOutputStream(OutputStream out) {
        this(out, true);
    }

    public DataChunkOutputStream(OutputStream out, boolean forwardFlushAndClose) {
        super(out);
        this.forwardFlushAndClose = forwardFlushAndClose;
    }

    
    public void writeType(String s) throws IOException {
        if (s.length() != 4) {
            throw new IllegalArgumentException("type string must have 4 characters");
        }

        try {
            out.write(s.getBytes("ASCII"), 0, 4);
            incCount(4);
        } catch (UnsupportedEncodingException e) {
            throw new InternalError(e.toString());
        }
    }

    
    public final void writeByte(int v) throws IOException {
        out.write(v);
        incCount(1);
    }

    
    @Override
    public synchronized void write(byte b[], int off, int len)
            throws IOException {
        out.write(b, off, len);
        incCount(len);
    }

    
    @Override
    public synchronized void write(int b) throws IOException {
        out.write(b);
        incCount(1);
    }

    
    public void writeInt(int v) throws IOException {
        out.write((v >>> 0) & 0xff);
        out.write((v >>> 8) & 0xff);
        out.write((v >>> 16) & 0xff);
        out.write((v >>> 24) & 0xff);
        incCount(4);
    }

    
    public void writeUInt(long v) throws IOException {
        out.write((int) ((v >>> 0) & 0xff));
        out.write((int) ((v >>> 8) & 0xff));
        out.write((int) ((v >>> 16) & 0xff));
        out.write((int) ((v >>> 24) & 0xff));
        incCount(4);
    }

    
    public void writeShort(int v) throws IOException {
        out.write((int) ((v >>> 0) & 0xff));
        out.write((int) ((v >> 8) & 0xff));
        incCount(2);
    }

    
    public void writeShorts(short[] v, int off, int len) throws IOException {
        for (int i = off; i < off + len; i++) {
            out.write((int) ((v[i] >>> 0) & 0xff));
            out.write((int) ((v[i] >> 8) & 0xff));
        }
        incCount(len * 2);
    }

    
    public void writeInts24(int[] v, int off, int len) throws IOException {
        for (int i = off; i < off + len; i++) {
            out.write((int) ((v[i] >>> 0) & 0xff));
            out.write((int) ((v[i] >> 8) & 0xff));
            out.write((int) ((v[i] >> 16) & 0xff));
        }
        incCount(len * 3);
    }
    public void writeLong(long v) throws IOException {
        out.write((int) (v >>> 0) & 0xff);
        out.write((int) (v >>> 8) & 0xff);
        out.write((int) (v >>> 16) & 0xff);
        out.write((int) (v >>> 24) & 0xff);
        out.write((int) (v >>> 32) & 0xff);
        out.write((int) (v >>> 40) & 0xff);
        out.write((int) (v >>> 48) & 0xff);
        out.write((int) (v >>> 56) & 0xff);
        incCount(8);
    }

    public void writeUShort(int v) throws IOException {
        out.write((int) ((v >>> 0) & 0xff));
        out.write((int) ((v >> 8) & 0xff));
        incCount(2);
    }

    
    protected void incCount(int value) {
        long temp = written + value;
        if (temp < 0) {
            temp = Long.MAX_VALUE;
        }
        written = temp;
    }

    
    public final long size() {
        return written;
    }

    
    public void clearCount() {
        written = 0;
    }

    @Override
    public void close() throws IOException {
        if (forwardFlushAndClose) {
            super.close();
        }
    }

    @Override
    public void flush() throws IOException {
        if (forwardFlushAndClose) {
            super.flush();
        }
    }
}