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https://github.com/moonlight-stream/moonlight-embedded.git
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move everything out of subdirectory
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159
src/com/limelight/binding/video/SwingCpuDecoderRenderer.java
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159
src/com/limelight/binding/video/SwingCpuDecoderRenderer.java
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package com.limelight.binding.video;
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import java.awt.Graphics;
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import java.awt.image.BufferedImage;
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import java.awt.image.DataBufferInt;
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import java.nio.ByteBuffer;
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import javax.swing.JFrame;
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import com.limelight.nvstream.av.ByteBufferDescriptor;
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import com.limelight.nvstream.av.DecodeUnit;
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import com.limelight.nvstream.av.video.VideoDecoderRenderer;
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import com.limelight.nvstream.av.video.cpu.AvcDecoder;
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public class SwingCpuDecoderRenderer implements VideoDecoderRenderer {
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private Thread rendererThread;
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private int targetFps;
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private int width, height;
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private Graphics graphics;
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private JFrame frame;
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private BufferedImage image;
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private static final int DECODER_BUFFER_SIZE = 92*1024;
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private ByteBuffer decoderBuffer;
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// Only sleep if the difference is above this value
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private static final int WAIT_CEILING_MS = 8;
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@Override
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public void setup(int width, int height, Object renderTarget, int drFlags) {
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this.targetFps = 30;
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this.width = width;
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this.height = height;
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// Single threaded low latency decode is ideal
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int avcFlags = AvcDecoder.LOW_LATENCY_DECODE;
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int threadCount = 1;
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// Hack to work around the bad Java native library loader
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// which can't resolve native library dependencies
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if (System.getProperty("os.name").contains("Windows")) {
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System.loadLibrary("avutil-52");
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System.loadLibrary("postproc-52");
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System.loadLibrary("pthreadVC2");
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}
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int err = AvcDecoder.init(width, height, avcFlags, threadCount);
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if (err != 0) {
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throw new IllegalStateException("AVC decoder initialization failure: "+err);
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}
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frame = (JFrame)renderTarget;
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graphics = frame.getGraphics();
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image = new BufferedImage(width, height,
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BufferedImage.TYPE_INT_BGR);
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decoderBuffer = ByteBuffer.allocate(DECODER_BUFFER_SIZE + AvcDecoder.getInputPaddingSize());
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System.out.println("Using software decoding");
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}
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@Override
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public void start() {
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rendererThread = new Thread() {
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@Override
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public void run() {
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long nextFrameTime = System.currentTimeMillis();
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int[] imageBuffer = ((DataBufferInt)image.getRaster().getDataBuffer()).getData();
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while (!isInterrupted())
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{
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long diff = nextFrameTime - System.currentTimeMillis();
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if (diff < WAIT_CEILING_MS) {
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// We must call Thread.sleep in order to be interruptable
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diff = 0;
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}
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try {
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Thread.sleep(diff);
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} catch (InterruptedException e) {
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return;
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}
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nextFrameTime = computePresentationTimeMs(targetFps);
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double widthScale = (double)frame.getWidth() / width;
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double heightScale = (double)frame.getHeight() / height;
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double lowerScale = Math.min(widthScale, heightScale);
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int newWidth = (int)(width * lowerScale);
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int newHeight = (int)(height * lowerScale);
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int dx1 = 0;
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int dy1 = 0;
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if (frame.getWidth() > newWidth) {
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dx1 = (frame.getWidth()-newWidth)/4;
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}
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if (frame.getHeight() > newHeight) {
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dy1 = (frame.getHeight()-newHeight)/4;
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}
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if (AvcDecoder.getRgbFrameInt(imageBuffer, imageBuffer.length)) {
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graphics.drawImage(image, dx1, dy1, dx1+newWidth, dy1+newHeight, 0, 0, width, height, null);
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}
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}
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}
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};
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rendererThread.setName("Video - Renderer (CPU)");
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rendererThread.start();
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}
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private long computePresentationTimeMs(int frameRate) {
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return System.currentTimeMillis() + (1000 / frameRate);
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}
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@Override
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public void stop() {
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rendererThread.interrupt();
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try {
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rendererThread.join();
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} catch (InterruptedException e) { }
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}
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@Override
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public void release() {
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AvcDecoder.destroy();
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}
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@Override
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public boolean submitDecodeUnit(DecodeUnit decodeUnit) {
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byte[] data;
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// Use the reserved decoder buffer if this decode unit will fit
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if (decodeUnit.getDataLength() <= DECODER_BUFFER_SIZE) {
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decoderBuffer.clear();
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for (ByteBufferDescriptor bbd : decodeUnit.getBufferList()) {
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decoderBuffer.put(bbd.data, bbd.offset, bbd.length);
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}
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data = decoderBuffer.array();
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}
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else {
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data = new byte[decodeUnit.getDataLength()+AvcDecoder.getInputPaddingSize()];
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int offset = 0;
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for (ByteBufferDescriptor bbd : decodeUnit.getBufferList()) {
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System.arraycopy(bbd.data, bbd.offset, data, offset, bbd.length);
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offset += bbd.length;
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}
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}
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return (AvcDecoder.decode(data, 0, decodeUnit.getDataLength()) == 0);
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}
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}
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