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jMonkeyEngine is a 3-D game engine for adventurous Java developers
/*
* Copyright (c) 2009-2021 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jme3.app.state;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.BufferedOutputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.nio.channels.SeekableByteChannel;
import java.nio.file.Files;
import java.nio.file.StandardOpenOption;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.imageio.IIOImage;
import javax.imageio.ImageIO;
import javax.imageio.ImageWriteParam;
import javax.imageio.ImageWriter;
import javax.imageio.stream.ImageOutputStream;
/**
* Released under BSD License
* @author monceaux, normenhansen, entrusC
*/
public class MjpegFileWriter implements AutoCloseable {
int width = 0;
int height = 0;
double framerate = 0;
int numFrames = 0;
File aviFile = null;
OutputStream aviOutput = null;
long riffOffset = 0;
long aviMovieOffset = 0;
long position = 0;
AVIIndexList indexlist = null;
public MjpegFileWriter(File aviFile, int width, int height, double framerate) throws Exception {
this(aviFile, width, height, framerate, 0);
}
public MjpegFileWriter(File aviFile, int width, int height, double framerate, int numFrames) throws Exception {
this.aviFile = aviFile;
this.width = width;
this.height = height;
this.framerate = framerate;
this.numFrames = numFrames;
FileOutputStream fos = new FileOutputStream(aviFile);
aviOutput = new BufferedOutputStream(fos);
RIFFHeader rh = new RIFFHeader();
ByteArrayOutputStream baos = new ByteArrayOutputStream(2048);
baos.write(rh.toBytes());
baos.write(new AVIMainHeader().toBytes());
baos.write(new AVIStreamList().toBytes());
baos.write(new AVIStreamHeader().toBytes());
baos.write(new AVIStreamFormat().toBytes());
baos.write(new AVIJunk().toBytes());
byte[] headerBytes = baos.toByteArray();
aviOutput.write(headerBytes);
aviMovieOffset = headerBytes.length;
byte[] listBytes = new AVIMovieList().toBytes();
aviOutput.write(listBytes);
indexlist = new AVIIndexList();
position = headerBytes.length + listBytes.length;
}
public void addImage(Image image) throws Exception {
addImage(image, 0.8f);
}
public void addImage(Image image, float quality) throws Exception {
addImage(writeImageToBytes(image, quality));
}
public void addImage(byte[] imageData) throws Exception {
byte[] fcc = new byte[]{'0', '0', 'd', 'b'};
int useLength = imageData.length;
int extra = (useLength + (int) position) % 4;
if (extra > 0) {
useLength = useLength + extra;
}
indexlist.addAVIIndex((int) position, useLength);
ByteArrayOutputStream baos = new ByteArrayOutputStream(fcc.length + 4 + useLength);
baos.write(fcc);
baos.write(intBytes(swapInt(useLength)));
baos.write(imageData);
if (extra > 0) {
for (int i = 0; i < extra; i++) {
baos.write(0);
}
}
byte[] data = baos.toByteArray();
aviOutput.write(data);
imageData = null;
numFrames++; //add a frame
position += data.length;
}
public void finishAVI() throws IOException {
byte[] indexlistBytes = indexlist.toBytes();
aviOutput.write(indexlistBytes);
aviOutput.close();
int fileSize = (int) aviFile.length();
int listSize = (int) (fileSize - 8 - aviMovieOffset - indexlistBytes.length);
//add header and length by writing the headers again
//with the now available information
try (SeekableByteChannel sbc = Files.newByteChannel(aviFile.toPath(), StandardOpenOption.WRITE);
ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
baos.write(new RIFFHeader(fileSize).toBytes());
baos.write(new AVIMainHeader().toBytes());
baos.write(new AVIStreamList().toBytes());
baos.write(new AVIStreamHeader().toBytes());
baos.write(new AVIStreamFormat().toBytes());
baos.write(new AVIJunk().toBytes());
baos.write(new AVIMovieList(listSize).toBytes());
sbc.write(ByteBuffer.wrap(baos.toByteArray()));
}
}
// public void writeAVI(File file) throws Exception
// {
// OutputStream os = new FileOutputStream(file);
//
// // RIFFHeader
// // AVIMainHeader
// // AVIStreamList
// // AVIStreamHeader
// // AVIStreamFormat
// // write 00db and image bytes...
// }
public static int swapInt(int v) {
return (v >>> 24) | (v << 24) | ((v << 8) & 0x00FF0000) | ((v >> 8) & 0x0000FF00);
}
public static short swapShort(short v) {
return (short) ((v >>> 8) | (v << 8));
}
public static byte[] intBytes(int i) {
byte[] b = new byte[4];
b[0] = (byte) (i >>> 24);
b[1] = (byte) ((i >>> 16) & 0x000000FF);
b[2] = (byte) ((i >>> 8) & 0x000000FF);
b[3] = (byte) (i & 0x000000FF);
return b;
}
public static byte[] shortBytes(short i) {
byte[] b = new byte[2];
b[0] = (byte) (i >>> 8);
b[1] = (byte) (i & 0x000000FF);
return b;
}
@Override
public void close() throws Exception {
finishAVI();
}
private class RIFFHeader {
public byte[] fcc = new byte[]{'R', 'I', 'F', 'F'};
public int fileSize = 0;
public byte[] fcc2 = new byte[]{'A', 'V', 'I', ' '};
public byte[] fcc3 = new byte[]{'L', 'I', 'S', 'T'};
public int listSize = 200;
public byte[] fcc4 = new byte[]{'h', 'd', 'r', 'l'};
public RIFFHeader() {
}
public RIFFHeader(int fileSize) {
this.fileSize = fileSize;
}
public byte[] toBytes() throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
baos.write(fcc);
baos.write(intBytes(swapInt(fileSize)));
baos.write(fcc2);
baos.write(fcc3);
baos.write(intBytes(swapInt(listSize)));
baos.write(fcc4);
return baos.toByteArray();
}
}
private class AVIMainHeader {
/*
*
* FOURCC fcc; DWORD cb; DWORD dwMicroSecPerFrame; DWORD
* dwMaxBytesPerSec; DWORD dwPaddingGranularity; DWORD dwFlags; DWORD
* dwTotalFrames; DWORD dwInitialFrames; DWORD dwStreams; DWORD
* dwSuggestedBufferSize; DWORD dwWidth; DWORD dwHeight; DWORD
* dwReserved[4];
*/
public byte[] fcc = new byte[]{'a', 'v', 'i', 'h'};
public int cb = 56;
public int dwMicroSecPerFrame = 0; // (1
// /
// frames
// per
// sec)
// *
// 1,000,000
public int dwMaxBytesPerSec = 10000000;
public int dwPaddingGranularity = 0;
public int dwFlags = 65552;
public int dwTotalFrames = 0; // replace
// with
// correct
// value
public int dwInitialFrames = 0;
public int dwStreams = 1;
public int dwSuggestedBufferSize = 0;
public int dwWidth = 0; // replace
// with
// correct
// value
public int dwHeight = 0; // replace
// with
// correct
// value
public int[] dwReserved = new int[4];
public AVIMainHeader() {
dwMicroSecPerFrame = (int) ((1.0 / framerate) * 1000000.0);
dwWidth = width;
dwHeight = height;
dwTotalFrames = numFrames;
}
public byte[] toBytes() throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
baos.write(fcc);
baos.write(intBytes(swapInt(cb)));
baos.write(intBytes(swapInt(dwMicroSecPerFrame)));
baos.write(intBytes(swapInt(dwMaxBytesPerSec)));
baos.write(intBytes(swapInt(dwPaddingGranularity)));
baos.write(intBytes(swapInt(dwFlags)));
baos.write(intBytes(swapInt(dwTotalFrames)));
baos.write(intBytes(swapInt(dwInitialFrames)));
baos.write(intBytes(swapInt(dwStreams)));
baos.write(intBytes(swapInt(dwSuggestedBufferSize)));
baos.write(intBytes(swapInt(dwWidth)));
baos.write(intBytes(swapInt(dwHeight)));
baos.write(intBytes(swapInt(dwReserved[0])));
baos.write(intBytes(swapInt(dwReserved[1])));
baos.write(intBytes(swapInt(dwReserved[2])));
baos.write(intBytes(swapInt(dwReserved[3])));
return baos.toByteArray();
}
}
private class AVIStreamList {
public byte[] fcc = new byte[]{'L', 'I', 'S', 'T'};
public int size = 124;
public byte[] fcc2 = new byte[]{'s', 't', 'r', 'l'};
public AVIStreamList() {
}
public byte[] toBytes() throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
baos.write(fcc);
baos.write(intBytes(swapInt(size)));
baos.write(fcc2);
return baos.toByteArray();
}
}
private class AVIStreamHeader {
/*
* FOURCC fcc; DWORD cb; FOURCC fccType; FOURCC fccHandler; DWORD
* dwFlags; WORD wPriority; WORD wLanguage; DWORD dwInitialFrames; DWORD
* dwScale; DWORD dwRate; DWORD dwStart; DWORD dwLength; DWORD
* dwSuggestedBufferSize; DWORD dwQuality; DWORD dwSampleSize; struct {
* short int left; short int top; short int right; short int bottom; }
* rcFrame;
*/
public byte[] fcc = new byte[]{'s', 't', 'r', 'h'};
public int cb = 64;
public byte[] fccType = new byte[]{'v', 'i', 'd', 's'};
public byte[] fccHandler = new byte[]{'M', 'J', 'P', 'G'};
public int dwFlags = 0;
public short wPriority = 0;
public short wLanguage = 0;
public int dwInitialFrames = 0;
public int dwScale = 0; // microseconds
// per
// frame
public int dwRate = 1000000; // dwRate
// /
// dwScale
// =
// frame
// rate
public int dwStart = 0;
public int dwLength = 0; // num
// frames
public int dwSuggestedBufferSize = 0;
public int dwQuality = -1;
public int dwSampleSize = 0;
public int left = 0;
public int top = 0;
public int right = 0;
public int bottom = 0;
public AVIStreamHeader() {
dwScale = (int) ((1.0 / framerate) * 1000000.0);
dwLength = numFrames;
}
public byte[] toBytes() throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
baos.write(fcc);
baos.write(intBytes(swapInt(cb)));
baos.write(fccType);
baos.write(fccHandler);
baos.write(intBytes(swapInt(dwFlags)));
baos.write(shortBytes(swapShort(wPriority)));
baos.write(shortBytes(swapShort(wLanguage)));
baos.write(intBytes(swapInt(dwInitialFrames)));
baos.write(intBytes(swapInt(dwScale)));
baos.write(intBytes(swapInt(dwRate)));
baos.write(intBytes(swapInt(dwStart)));
baos.write(intBytes(swapInt(dwLength)));
baos.write(intBytes(swapInt(dwSuggestedBufferSize)));
baos.write(intBytes(swapInt(dwQuality)));
baos.write(intBytes(swapInt(dwSampleSize)));
baos.write(intBytes(swapInt(left)));
baos.write(intBytes(swapInt(top)));
baos.write(intBytes(swapInt(right)));
baos.write(intBytes(swapInt(bottom)));
return baos.toByteArray();
}
}
private class AVIStreamFormat {
/*
* FOURCC fcc; DWORD cb; DWORD biSize; LONG biWidth; LONG biHeight; WORD
* biPlanes; WORD biBitCount; DWORD biCompression; DWORD biSizeImage;
* LONG biXPelsPerMeter; LONG biYPelsPerMeter; DWORD biClrUsed; DWORD
* biClrImportant;
*/
public byte[] fcc = new byte[]{'s', 't', 'r', 'f'};
public int cb = 40;
public int biSize = 40; // same
// as
// cb
public int biWidth = 0;
public int biHeight = 0;
public short biPlanes = 1;
public short biBitCount = 24;
public byte[] biCompression = new byte[]{'M', 'J', 'P', 'G'};
public int biSizeImage = 0; // width
// x
// height
// in
// pixels
public int biXPelsPerMeter = 0;
public int biYPelsPerMeter = 0;
public int biClrUsed = 0;
public int biClrImportant = 0;
public AVIStreamFormat() {
biWidth = width;
biHeight = height;
biSizeImage = width * height;
}
public byte[] toBytes() throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
baos.write(fcc);
baos.write(intBytes(swapInt(cb)));
baos.write(intBytes(swapInt(biSize)));
baos.write(intBytes(swapInt(biWidth)));
baos.write(intBytes(swapInt(biHeight)));
baos.write(shortBytes(swapShort(biPlanes)));
baos.write(shortBytes(swapShort(biBitCount)));
baos.write(biCompression);
baos.write(intBytes(swapInt(biSizeImage)));
baos.write(intBytes(swapInt(biXPelsPerMeter)));
baos.write(intBytes(swapInt(biYPelsPerMeter)));
baos.write(intBytes(swapInt(biClrUsed)));
baos.write(intBytes(swapInt(biClrImportant)));
return baos.toByteArray();
}
}
private class AVIMovieList {
public byte[] fcc = new byte[]{'L', 'I', 'S', 'T'};
public int listSize = 0;
public byte[] fcc2 = new byte[]{'m', 'o', 'v', 'i'};
// 00db size jpg image data ...
public AVIMovieList() {
}
public AVIMovieList(int listSize) {
this.listSize = listSize;
}
public byte[] toBytes() throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
baos.write(fcc);
baos.write(intBytes(swapInt(listSize)));
baos.write(fcc2);
return baos.toByteArray();
}
}
private class AVIIndexList {
public byte[] fcc = new byte[]{'i', 'd', 'x', '1'};
public int cb = 0;
public List ind = new ArrayList<>();
public AVIIndexList() {
}
@SuppressWarnings("unused")
public void addAVIIndex(AVIIndex ai) {
ind.add(ai);
}
public void addAVIIndex(int dwOffset, int dwSize) {
ind.add(new AVIIndex(dwOffset, dwSize));
}
public byte[] toBytes() throws IOException {
cb = 16 * ind.size();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
baos.write(fcc);
baos.write(intBytes(swapInt(cb)));
for (int i = 0; i < ind.size(); i++) {
AVIIndex in = ind.get(i);
baos.write(in.toBytes());
}
return baos.toByteArray();
}
}
private class AVIIndex {
public byte[] fcc = new byte[]{'0', '0', 'd', 'b'};
public int dwFlags = 16;
public int dwOffset = 0;
public int dwSize = 0;
public AVIIndex(int dwOffset, int dwSize) {
this.dwOffset = dwOffset;
this.dwSize = dwSize;
}
public byte[] toBytes() throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
baos.write(fcc);
baos.write(intBytes(swapInt(dwFlags)));
baos.write(intBytes(swapInt(dwOffset)));
baos.write(intBytes(swapInt(dwSize)));
return baos.toByteArray();
}
}
private class AVIJunk {
public byte[] fcc = new byte[]{'J', 'U', 'N', 'K'};
public int size = 1808;
public byte[] data = new byte[size];
public AVIJunk() {
Arrays.fill(data, (byte) 0);
}
public byte[] toBytes() throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
baos.write(fcc);
baos.write(intBytes(swapInt(size)));
baos.write(data);
return baos.toByteArray();
}
}
public byte[] writeImageToBytes(Image image, float quality) throws Exception {
BufferedImage bi;
if (image instanceof BufferedImage && ((BufferedImage) image).getType() == BufferedImage.TYPE_INT_RGB) {
bi = (BufferedImage) image;
} else {
bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
Graphics2D g = bi.createGraphics();
g.drawImage(image, 0, 0, width, height, null);
}
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ImageWriter imgWrtr = ImageIO.getImageWritersByFormatName("jpg").next();
try (ImageOutputStream imgOutStrm = ImageIO.createImageOutputStream(baos)) {
imgWrtr.setOutput(imgOutStrm);
ImageWriteParam jpgWrtPrm = imgWrtr.getDefaultWriteParam();
jpgWrtPrm.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
jpgWrtPrm.setCompressionQuality(quality);
imgWrtr.write(null, new IIOImage(bi, null, null), jpgWrtPrm);
}
return baos.toByteArray();
}
}
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