mirror of https://github.com/Genymobile/scrcpy
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62 lines
2.2 KiB
Java
62 lines
2.2 KiB
Java
package com.genymobile.scrcpy;
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import android.net.LocalSocket;
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import android.net.LocalSocketAddress;
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import java.io.Closeable;
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import java.io.IOException;
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import java.nio.charset.StandardCharsets;
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public class DesktopConnection implements Closeable {
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private static final int DEVICE_NAME_FIELD_LENGTH = 64;
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private static final String SOCKET_NAME = "scrcpy";
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private final LocalSocket socket;
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private DesktopConnection(LocalSocket socket) throws IOException {
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this.socket = socket;
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}
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private static LocalSocket connect(String abstractName) throws IOException {
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LocalSocket localSocket = new LocalSocket();
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localSocket.connect(new LocalSocketAddress(abstractName));
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return localSocket;
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}
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public static DesktopConnection open(String deviceName, int width, int height) throws IOException {
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LocalSocket socket = connect(SOCKET_NAME);
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send(socket, deviceName, width, height);
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return new DesktopConnection(socket);
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}
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public void close() throws IOException {
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socket.shutdownInput();
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socket.shutdownOutput();
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socket.close();
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}
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private static void send(LocalSocket socket, String deviceName, int width, int height) throws IOException {
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assert width < 0x10000 : "width may not be stored on 16 bits";
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assert height < 0x10000 : "height may not be stored on 16 bits";
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byte[] buffer = new byte[DEVICE_NAME_FIELD_LENGTH + 4];
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byte[] deviceNameBytes = deviceName.getBytes(StandardCharsets.UTF_8);
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int len = Math.min(DEVICE_NAME_FIELD_LENGTH - 1, deviceNameBytes.length);
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System.arraycopy(deviceNameBytes, 0, buffer, 0, len);
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// byte[] are always 0-initialized in java, no need to set '\0' explicitly
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buffer[DEVICE_NAME_FIELD_LENGTH] = (byte) (width >> 8);
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buffer[DEVICE_NAME_FIELD_LENGTH + 1] = (byte) width;
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buffer[DEVICE_NAME_FIELD_LENGTH + 2] = (byte) (height >> 8);
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buffer[DEVICE_NAME_FIELD_LENGTH + 3] = (byte) height;
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socket.getOutputStream().write(buffer, 0, buffer.length);
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}
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public void sendVideoStream(byte[] videoStreamBuffer, int len) throws IOException {
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socket.getOutputStream().write(videoStreamBuffer, 0, len);
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}
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}
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