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VideoPlayer.java
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VideoPlayer.java
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package csci576;import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import javax.swing.*;
public class VideoPlayer implements Runnable {
private int currentFrame;
private AudioPlayer audioPlayer;
private static InputStream inputStream;
private byte[] bytes;
private String videoFileName;
private static final Object lock = new Object();
private static boolean suspended;
private static boolean stop;
static BufferedImage bufferedImage;
public VideoPlayer(String videoFilename, AudioPlayer playSound) {
this.videoFileName = videoFilename;
this.audioPlayer = playSound;
}
@Override
public void run() {
try {
playVideo();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
public void playVideo() throws InterruptedException {
currentFrame=0;
bufferedImage = new BufferedImage(Constants.WIDTH, Constants.HEIGHT, BufferedImage.TYPE_INT_RGB);
try {
File videoFile = new File(videoFileName);
inputStream = new FileInputStream(videoFile);
long numberOfFrames = videoFile.length() / Constants.PIXELS_PER_FRAME;
bytes = new byte[(int) Constants.PIXELS_PER_FRAME];
PlayVideoComponent component = new PlayVideoComponent();
double numberOfSamplesPerFrame = audioPlayer.getSampleRate() / 30;
int offset = 0;
int counter = 0;
double frameMovementDifference = Math.round(audioPlayer.getFramePosition()) / numberOfSamplesPerFrame;
int j=0;
if (!stop)
{
while (j < Math.round(audioPlayer.getFramePosition() / numberOfSamplesPerFrame)) {
// System.out.println("1: video < audio => FF video");
readBytes();
component.setImg(bufferedImage);
Player.controlOptionPanel.add(component);
Player.controlOptionPanel.repaint();
Player.controlOptionPanel.setVisible(true);
j++;
}
// Video ahead of audio, wait for audio to catch up
while (j > Math.round(offset + audioPlayer.getFramePosition() / numberOfSamplesPerFrame)) {
}
for (int i = j; i < numberOfFrames; i++) {
// Video ahead of audio, wait for audio to catch up
while (i > Math.round(offset + audioPlayer.getFramePosition() / numberOfSamplesPerFrame)) {
}
// Audio ahead of video, roll video forward to catch up
while (i < Math.round(audioPlayer.getFramePosition() / numberOfSamplesPerFrame)) {
readBytes();
component.setImg(bufferedImage);
Player.controlOptionPanel.add(component);
Player.controlOptionPanel.repaint();
Player.controlOptionPanel.setVisible(true);
i++;
}
readBytes();
component.setImg(bufferedImage);
Player.controlOptionPanel.add(component);
Player.controlOptionPanel.repaint();
Player.controlOptionPanel.setVisible(true);
}
}
}
catch (IOException e) {
e.printStackTrace();
}
}
private void processFrameAhead(PlayVideoComponent component) {
readBytes();
component.setImg(bufferedImage);
Player.controlOptionPanel.add(component);
Player.controlOptionPanel.repaint();
Player.controlOptionPanel.setVisible(true);
}
private void readBytes() {
currentFrame++;
synchronized (this) {
while (suspended) {
Thread.interrupted();
}
}
try {
int offset = 0;
int numRead = 0;
while (offset < bytes.length && (numRead = inputStream.read(bytes, offset, bytes.length - offset)) >= 0) {
offset += numRead;
}
int ind = 0;
for (int y = 0; y < Constants.HEIGHT; y++) {
for (int x = 0; x < Constants.WIDTH; x++) {
byte r = bytes[ind];
byte g = bytes[ind + Constants.HEIGHT * Constants.WIDTH];
byte b = bytes[ind + Constants.HEIGHT * Constants.WIDTH * 2];
int pix = 0xff000000 | ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff);
bufferedImage.setRGB(x, y, pix);
ind++;
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
public static boolean isStop() {
return stop;
}
public static void stop() {
try {
inputStream.close();
stop = true;
System.exit(0);
} catch (IOException e) {
e.printStackTrace();
}
}
public static void suspend() {
suspended = true;
}
public static void resume() {
synchronized (lock) {
suspended = false;
lock.notify();
}
}
public class PlayVideoComponent extends JComponent {
private BufferedImage img;
public void paintComponent(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
g2.drawImage(img, 0, 0, this);
}
public void setImg(BufferedImage img) {
this.img = img;
}
}
}