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https://git.huckle.dev/Huckles-Minecraft-Archive/jpexs-decompiler.git
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Jindra Petřík
226
libsrc/avi/src/org/monte/media/AbstractVideoCodec.java
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226
libsrc/avi/src/org/monte/media/AbstractVideoCodec.java
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/*
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* @(#)AbstractVideoCodec.java
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*
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* Copyright (c) 2011 Werner Randelshofer, Goldau, Switzerland.
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* All rights reserved.
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*
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* You may not use, copy or modify this file, except in compliance with the
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* license agreement you entered into with Werner Randelshofer.
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* For details see accompanying license terms.
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*/
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package org.monte.media;
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import java.awt.Graphics2D;
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import java.awt.image.BufferedImage;
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import java.awt.image.ColorModel;
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import java.awt.image.DataBufferByte;
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import java.awt.image.DataBufferInt;
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import java.awt.image.DataBufferShort;
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import java.awt.image.DataBufferUShort;
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import java.awt.image.DirectColorModel;
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import java.awt.image.WritableRaster;
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import java.io.IOException;
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import javax.imageio.stream.ImageOutputStream;
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import static org.monte.media.VideoFormatKeys.*;
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/**
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* {@code AbstractVideoCodec}.
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*
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* @author Werner Randelshofer
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* @version $Id: AbstractVideoCodec.java 299 2013-01-03 07:40:18Z werner $
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*/
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public abstract class AbstractVideoCodec extends AbstractCodec {
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private BufferedImage imgConverter;
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public AbstractVideoCodec(Format[] supportedInputFormats, Format[] supportedOutputFormats) {
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super(supportedInputFormats, supportedOutputFormats);
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}
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/** Gets 8-bit indexed pixels from a buffer. Returns null if conversion failed. */
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protected byte[] getIndexed8(Buffer buf) {
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if (buf.data instanceof byte[]) {
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return (byte[]) buf.data;
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}
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if (buf.data instanceof BufferedImage) {
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BufferedImage image = (BufferedImage) buf.data;
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if (image.getRaster().getDataBuffer() instanceof DataBufferByte) {
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return ((DataBufferByte) image.getRaster().getDataBuffer()).getData();
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}
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}
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return null;
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}
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/** Gets 15-bit RGB pixels from a buffer. Returns null if conversion failed. */
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protected short[] getRGB15(Buffer buf) {
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if (buf.data instanceof int[]) {
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return (short[]) buf.data;
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}
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if (buf.data instanceof BufferedImage) {
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BufferedImage image = (BufferedImage) buf.data;
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if (image.getColorModel() instanceof DirectColorModel) {
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DirectColorModel dcm = (DirectColorModel) image.getColorModel();
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if (image.getRaster().getDataBuffer() instanceof DataBufferShort) {
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// FIXME - Implement additional checks
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return ((DataBufferShort) image.getRaster().getDataBuffer()).getData();
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} else if (image.getRaster().getDataBuffer() instanceof DataBufferUShort) {
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// FIXME - Implement additional checks
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return ((DataBufferUShort) image.getRaster().getDataBuffer()).getData();
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}
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}
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if (imgConverter == null) {
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int width = outputFormat.get(WidthKey);
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int height = outputFormat.get(HeightKey);
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imgConverter = new BufferedImage(width, height, BufferedImage.TYPE_USHORT_555_RGB);
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}
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Graphics2D g = imgConverter.createGraphics();
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g.drawImage(image, 0, 0, null);
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g.dispose();
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return ((DataBufferUShort) imgConverter.getRaster().getDataBuffer()).getData();
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}
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return null;
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}
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/** Gets 16-bit RGB-5-6-5 pixels from a buffer. Returns null if conversion failed. */
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protected short[] getRGB16(Buffer buf) {
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if (buf.data instanceof int[]) {
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return (short[]) buf.data;
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}
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if (buf.data instanceof BufferedImage) {
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BufferedImage image = (BufferedImage) buf.data;
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if (image.getColorModel() instanceof DirectColorModel) {
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DirectColorModel dcm = (DirectColorModel) image.getColorModel();
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if (image.getRaster().getDataBuffer() instanceof DataBufferShort) {
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// FIXME - Implement additional checks
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return ((DataBufferShort) image.getRaster().getDataBuffer()).getData();
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} else if (image.getRaster().getDataBuffer() instanceof DataBufferUShort) {
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// FIXME - Implement additional checks
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return ((DataBufferUShort) image.getRaster().getDataBuffer()).getData();
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}
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}
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if (imgConverter == null) {
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int width = outputFormat.get(WidthKey);
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int height = outputFormat.get(HeightKey);
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imgConverter = new BufferedImage(width, height, BufferedImage.TYPE_USHORT_565_RGB);
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}
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Graphics2D g = imgConverter.createGraphics();
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g.drawImage(image, 0, 0, null);
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g.dispose();
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return ((DataBufferUShort) imgConverter.getRaster().getDataBuffer()).getData();
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}
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return null;
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}
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/** Gets 24-bit RGB pixels from a buffer. Returns null if conversion failed. */
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protected int[] getRGB24(Buffer buf) {
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if (buf.data instanceof int[]) {
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return (int[]) buf.data;
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}
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if (buf.data instanceof BufferedImage) {
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BufferedImage image = (BufferedImage) buf.data;
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if (image.getColorModel() instanceof DirectColorModel) {
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DirectColorModel dcm = (DirectColorModel) image.getColorModel();
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if (dcm.getBlueMask() == 0xff && dcm.getGreenMask() == 0xff00 && dcm.getRedMask() == 0xff0000) {
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if (image.getRaster().getDataBuffer() instanceof DataBufferInt) {
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return ((DataBufferInt) image.getRaster().getDataBuffer()).getData();
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}
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}
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}
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return image.getRGB(0, 0, //
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outputFormat.get(WidthKey), outputFormat.get(HeightKey), //
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null, 0, outputFormat.get(WidthKey));
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}
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return null;
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}
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/** Gets 32-bit ARGB pixels from a buffer. Returns null if conversion failed. */
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protected int[] getARGB32(Buffer buf) {
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if (buf.data instanceof int[]) {
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return (int[]) buf.data;
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}
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if (buf.data instanceof BufferedImage) {
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BufferedImage image = (BufferedImage) buf.data;
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if (image.getColorModel() instanceof DirectColorModel) {
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DirectColorModel dcm = (DirectColorModel) image.getColorModel();
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if (dcm.getBlueMask() == 0xff && dcm.getGreenMask() == 0xff00 && dcm.getRedMask() == 0xff0000) {
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if (image.getRaster().getDataBuffer() instanceof DataBufferInt) {
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return ((DataBufferInt) image.getRaster().getDataBuffer()).getData();
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}
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}
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}
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return image.getRGB(0, 0, //
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outputFormat.get(WidthKey), outputFormat.get(HeightKey), //
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null, 0, outputFormat.get(WidthKey));
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}
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return null;
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}
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/** Gets a buffered image from a buffer. Returns null if conversion failed. */
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protected BufferedImage getBufferedImage(Buffer buf) {
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if (buf.data instanceof BufferedImage) {
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return (BufferedImage) buf.data;
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}
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return null;
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}
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private byte[] byteBuf = new byte[4];
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protected void writeInt24(ImageOutputStream out, int v) throws IOException {
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byteBuf[0] = (byte) (v >>> 16);
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byteBuf[1] = (byte) (v >>> 8);
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byteBuf[2] = (byte) (v >>> 0);
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out.write(byteBuf, 0, 3);
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}
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protected void writeInt24LE(ImageOutputStream out, int v) throws IOException {
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byteBuf[2] = (byte) (v >>> 16);
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byteBuf[1] = (byte) (v >>> 8);
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byteBuf[0] = (byte) (v >>> 0);
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out.write(byteBuf, 0, 3);
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}
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protected void writeInts24(ImageOutputStream out, int[] i, int off, int len) throws IOException {
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// Fix 4430357 - if off + len < 0, overflow occurred
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if (off < 0 || len < 0 || off + len > i.length || off + len < 0) {
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throw new IndexOutOfBoundsException("off < 0 || len < 0 || off + len > i.length!");
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}
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byte[] b = new byte[len * 3];
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int boff = 0;
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for (int j = 0; j < len; j++) {
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int v = i[off + j];
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//b[boff++] = (byte)(v >>> 24);
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b[boff++] = (byte) (v >>> 16);
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b[boff++] = (byte) (v >>> 8);
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b[boff++] = (byte) (v >>> 0);
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}
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out.write(b, 0, len * 3);
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}
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protected void writeInts24LE(ImageOutputStream out, int[] i, int off, int len) throws IOException {
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// Fix 4430357 - if off + len < 0, overflow occurred
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if (off < 0 || len < 0 || off + len > i.length || off + len < 0) {
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throw new IndexOutOfBoundsException("off < 0 || len < 0 || off + len > i.length!");
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}
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byte[] b = new byte[len * 3];
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int boff = 0;
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for (int j = 0; j < len; j++) {
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int v = i[off + j];
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b[boff++] = (byte) (v >>> 0);
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b[boff++] = (byte) (v >>> 8);
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b[boff++] = (byte) (v >>> 16);
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//b[boff++] = (byte)(v >>> 24);
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}
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out.write(b, 0, len * 3);
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}
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/** Copies a buffered image. */
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protected static BufferedImage copyImage(BufferedImage img) {
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ColorModel cm = img.getColorModel();
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boolean isAlphaPremultiplied = cm.isAlphaPremultiplied();
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WritableRaster raster = img.copyData(null);
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return new BufferedImage(cm, raster, isAlphaPremultiplied, null);
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}
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}
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