/*
* @(#)GDIRenderer.java 1.28 03/04/23
*
* Copyright (c) 1996-2002 Sun Microsystems, Inc. All rights reserved.
*/
package com.sun.media.renderer.video;
import javax.media.*;
import javax.media.Format;
import javax.media.format.*;
import javax.media.renderer.VideoRenderer;
import java.awt.*;
import java.util.Vector;
import com.sun.media.*;
public class GDIRenderer extends BasicVideoRenderer {
private static boolean available = false;
static {
try {
JMFSecurityManager.loadLibrary("jmgdi");
available = true;
} catch (Exception e) {
} catch (UnsatisfiedLinkError ule) {
}
}
private int blitter = 0;
protected Object data = null;
//private int blitterAvailable = 0;
private int defbitsPerPixel;
private int defrMask;
private int defgMask;
private int defbMask;
private int offsetX = 0;
private int offsetY = 0;
private int bytesPerPixel = 4;
private int bitsPerPixel;
private int rMask;
private int gMask;
private int bMask;
private int pixelStride;
private int lineStride;
private boolean flipped;
private int handle = 0;
private synchronized native boolean gdiInitialize();
private synchronized native boolean gdiSetComponent(int windowHandle);
private synchronized native boolean gdiSetOutputSize(int width, int height);
private synchronized native boolean gdiDraw(Object data,
long dataBytes,
int elSize, // 1 for byte[], 2 for short[]
// 4 for int[]
int bytesPerPixel,
int srcWidth, int srcHeight,
int srcStride,
int dstWidth, int dstHeight,
int rm, int gm, int bm,
boolean flipped,
int windowHandle);
private synchronized native boolean gdiFree();
protected VideoFormat defaultFormat;
public GDIRenderer() {
super("Windows GDI Renderer");
if (available) {
if (gdiInitialize()) {
Class arrayType;
if (defbitsPerPixel <= 8)
arrayType = Format.byteArray;
else if (defbitsPerPixel <= 16)
arrayType = Format.shortArray;
else if (defbitsPerPixel <= 24)
arrayType = Format.byteArray;
else
arrayType = Format.intArray;
defaultFormat = new RGBFormat(null, Format.NOT_SPECIFIED,
arrayType,
Format.NOT_SPECIFIED, // frame rate
defbitsPerPixel,
defrMask, defgMask, defbMask,
(defbitsPerPixel == 24)? 3:1,
Format.NOT_SPECIFIED,
Format.NOT_SPECIFIED,
Format.NOT_SPECIFIED);
supportedFormats = new VideoFormat[8];
supportedFormats[0] = defaultFormat;
// The remaining are general formats supported by GDI
// 15 bit
supportedFormats[1] = new RGBFormat(null,
Format.NOT_SPECIFIED,
Format.shortArray,
Format.NOT_SPECIFIED, // frame rate
16,
0x7C00, 0x03E0, 0x001F,
1,
Format.NOT_SPECIFIED,
Format.NOT_SPECIFIED,
Format.NOT_SPECIFIED);
// 15 bit
supportedFormats[2] = new RGBFormat(null,
Format.NOT_SPECIFIED,
Format.byteArray,
Format.NOT_SPECIFIED, // frame rate
16,
0x7C00, 0x03E0, 0x001F,
2,
Format.NOT_SPECIFIED,
Format.NOT_SPECIFIED,
RGBFormat.LITTLE_ENDIAN);
// 16 bit
supportedFormats[3] = new RGBFormat(null,
Format.NOT_SPECIFIED,
Format.shortArray,
Format.NOT_SPECIFIED, // frame rate
16,
0xF800, 0x07E0, 0x001F,
1,
Format.NOT_SPECIFIED,
Format.NOT_SPECIFIED,
Format.NOT_SPECIFIED);
// 16 bit
supportedFormats[4] = new RGBFormat(null,
Format.NOT_SPECIFIED,
Format.byteArray,
Format.NOT_SPECIFIED, // frame rate
16,
0xF800, 0x07E0, 0x001F,
2,
Format.NOT_SPECIFIED,
Format.NOT_SPECIFIED,
RGBFormat.LITTLE_ENDIAN);
// 24 bit
supportedFormats[5] = new RGBFormat(null,
Format.NOT_SPECIFIED,
Format.byteArray,
Format.NOT_SPECIFIED, // frame rate
24,
3, 2, 1,
3,
Format.NOT_SPECIFIED,
Format.NOT_SPECIFIED,
Format.NOT_SPECIFIED);
// 32 bit xRGB
supportedFormats[6] = new RGBFormat(null,
Format.NOT_SPECIFIED,
Format.intArray,
Format.NOT_SPECIFIED, // frame rate
32,
0x00FF0000, 0x0000FF00, 0x000000FF,
1,
Format.NOT_SPECIFIED,
Format.NOT_SPECIFIED,
Format.NOT_SPECIFIED);
// 32 bit xRGB
supportedFormats[7] = new RGBFormat(null,
Format.NOT_SPECIFIED,
Format.byteArray,
Format.NOT_SPECIFIED, // frame rate
32,
3, 2, 1,
4,
Format.NOT_SPECIFIED,
Format.NOT_SPECIFIED,
Format.NOT_SPECIFIED);
} else {
System.err.println("GDIRenderer. gdiInitialize() failed");
available = false;
}
}
}
public void open() throws ResourceUnavailableException {
if (!available)
throw new ResourceUnavailableException("GDI not available !!!");
handle = 0;
if (blitter == 0)
gdiInitialize();
if (blitter == 0)
throw new ResourceUnavailableException("GDIRenderer couldn't open");
}
public synchronized void reset() {
handle = 0;
}
public void close() {
if (available)
gdiFree();
}
/**
* Set the data input format.
* @return false if the format is not supported.
*/
public Format setInputFormat(Format format) {
if (!available)
return null;
if (super.setInputFormat(format) != null) {
if (inputFormat instanceof RGBFormat) {
RGBFormat rgbf = (RGBFormat) inputFormat;
bitsPerPixel = rgbf.getBitsPerPixel();
rMask = rgbf.getRedMask();
gMask = rgbf.getGreenMask();
bMask = rgbf.getBlueMask();
lineStride = rgbf.getLineStride();
pixelStride = rgbf.getPixelStride();
flipped = (rgbf.getFlipped() == Format.TRUE);
if (inputFormat.getDataType() == Format.byteArray && bitsPerPixel > 16) {
int bypp = bitsPerPixel / 8;
rMask = 0xFF << ((rMask - 1) * 8);
gMask = 0xFF << ((gMask - 1) * 8);
bMask = 0xFF << ((bMask - 1) * 8);
}
} else if (inputFormat instanceof IndexedColorFormat) {
bitsPerPixel = 8;
lineStride = ((IndexedColorFormat)format).getLineStride();
} else
return null;
// Inform the native code of the input format change
if (outWidth == -1 || outHeight == -1) {
outWidth = inWidth;
outHeight = inHeight;
}
if (component != null)
component.setSize(outWidth, outHeight);
// All's well
return format;
} else {
// Unsupported format
return null;
}
}
protected int doProcess(Buffer buffer) {
return doProcess(buffer, false);
}
protected synchronized int doProcess(Buffer buffer, boolean repainting) {
if (!available || component == null)
return BUFFER_PROCESSED_OK;
if (handle == 0)
handle = com.sun.media.util.WindowUtil.getWindowHandle(component);
if (handle == 0)
return BUFFER_PROCESSED_OK;
if (!repainting) {
if (!buffer.getFormat().equals(inputFormat)) {
if (setInputFormat(buffer.getFormat()) == null)
return BUFFER_PROCESSED_FAILED;
}
}
if (!repainting)
data = getInputData(buffer);
int elSize = 1;
if (data instanceof short[])
elSize = 2;
else if (data instanceof int[])
elSize = 4;
bytesPerPixel = bitsPerPixel / 8;
long dataBytes = 0;
if (data instanceof NBA) {
dataBytes = ((NBA)data).getNativeData();
}
if (data == null)
return BUFFER_PROCESSED_OK;
if (outWidth > 0 && outHeight > 0) {
int returned = (gdiDraw(data, dataBytes, elSize, bytesPerPixel,
inWidth, inHeight,
lineStride / pixelStride, outWidth, outHeight,
rMask, gMask, bMask, flipped, handle))?
BUFFER_PROCESSED_OK : BUFFER_PROCESSED_FAILED;
return returned;
} else
return BUFFER_PROCESSED_OK;
}
protected synchronized void repaint() {
if (!isStarted() && data != null)
doProcess(null, true);
}
protected synchronized void setAvailable(boolean available) {
super.setAvailable(available);
handle = 0;
}
}
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