scrcpy/server/src/main/java/com/genymobile/scrcpy/Server.java
Romain Vimont ee93d2aac1 Configure init and cleanup asynchronously
Accessing the settings (like --show-touches) on start should not delay
screen mirroring.

PR #2802 <https://github.com/Genymobile/scrcpy/pull/2802>
2021-11-18 08:37:32 +01:00

283 lines
10 KiB
Java

package com.genymobile.scrcpy;
import android.graphics.Rect;
import android.media.MediaCodec;
import android.media.MediaCodecInfo;
import android.os.BatteryManager;
import android.os.Build;
import java.io.IOException;
import java.util.List;
import java.util.Locale;
public final class Server {
private Server() {
// not instantiable
}
private static void initAndCleanUp(Options options) {
boolean mustDisableShowTouchesOnCleanUp = false;
int restoreStayOn = -1;
if (options.getShowTouches() || options.getStayAwake()) {
Settings settings = Device.getSettings();
if (options.getShowTouches()) {
try {
String oldValue = settings.getAndPutValue(Settings.TABLE_SYSTEM, "show_touches", "1");
// If "show touches" was disabled, it must be disabled back on clean up
mustDisableShowTouchesOnCleanUp = !"1".equals(oldValue);
} catch (SettingsException e) {
Ln.e("Could not change \"show_touches\"", e);
}
}
if (options.getStayAwake()) {
int stayOn = BatteryManager.BATTERY_PLUGGED_AC | BatteryManager.BATTERY_PLUGGED_USB | BatteryManager.BATTERY_PLUGGED_WIRELESS;
try {
String oldValue = settings.getAndPutValue(Settings.TABLE_GLOBAL, "stay_on_while_plugged_in", String.valueOf(stayOn));
try {
restoreStayOn = Integer.parseInt(oldValue);
if (restoreStayOn == stayOn) {
// No need to restore
restoreStayOn = -1;
}
} catch (NumberFormatException e) {
restoreStayOn = 0;
}
} catch (SettingsException e) {
Ln.e("Could not change \"stay_on_while_plugged_in\"", e);
}
}
}
try {
CleanUp.configure(options.getDisplayId(), restoreStayOn, mustDisableShowTouchesOnCleanUp, true, options.getPowerOffScreenOnClose());
} catch (IOException e) {
Ln.e("Could not configure cleanup", e);
}
}
private static void scrcpy(Options options) throws IOException {
Ln.i("Device: " + Build.MANUFACTURER + " " + Build.MODEL + " (Android " + Build.VERSION.RELEASE + ")");
final Device device = new Device(options);
List<CodecOption> codecOptions = CodecOption.parse(options.getCodecOptions());
Thread initThread = startInitThread(options);
boolean tunnelForward = options.isTunnelForward();
try (DesktopConnection connection = DesktopConnection.open(device, tunnelForward)) {
ScreenEncoder screenEncoder = new ScreenEncoder(options.getSendFrameMeta(), options.getBitRate(), options.getMaxFps(), codecOptions,
options.getEncoderName());
Thread controllerThread = null;
Thread deviceMessageSenderThread = null;
if (options.getControl()) {
final Controller controller = new Controller(device, connection);
// asynchronous
controllerThread = startController(controller);
deviceMessageSenderThread = startDeviceMessageSender(controller.getSender());
device.setClipboardListener(new Device.ClipboardListener() {
@Override
public void onClipboardTextChanged(String text) {
controller.getSender().pushClipboardText(text);
}
});
}
try {
// synchronous
screenEncoder.streamScreen(device, connection.getVideoFd());
} catch (IOException e) {
// this is expected on close
Ln.d("Screen streaming stopped");
} finally {
initThread.interrupt();
if (controllerThread != null) {
controllerThread.interrupt();
}
if (deviceMessageSenderThread != null) {
deviceMessageSenderThread.interrupt();
}
}
}
}
private static Thread startInitThread(final Options options) {
Thread thread = new Thread(new Runnable() {
@Override
public void run() {
initAndCleanUp(options);
}
});
thread.start();
return thread;
}
private static Thread startController(final Controller controller) {
Thread thread = new Thread(new Runnable() {
@Override
public void run() {
try {
controller.control();
} catch (IOException e) {
// this is expected on close
Ln.d("Controller stopped");
}
}
});
thread.start();
return thread;
}
private static Thread startDeviceMessageSender(final DeviceMessageSender sender) {
Thread thread = new Thread(new Runnable() {
@Override
public void run() {
try {
sender.loop();
} catch (IOException | InterruptedException e) {
// this is expected on close
Ln.d("Device message sender stopped");
}
}
});
thread.start();
return thread;
}
private static Options createOptions(String... args) {
if (args.length < 1) {
throw new IllegalArgumentException("Missing client version");
}
String clientVersion = args[0];
if (!clientVersion.equals(BuildConfig.VERSION_NAME)) {
throw new IllegalArgumentException(
"The server version (" + BuildConfig.VERSION_NAME + ") does not match the client " + "(" + clientVersion + ")");
}
final int expectedParameters = 16;
if (args.length != expectedParameters) {
throw new IllegalArgumentException("Expecting " + expectedParameters + " parameters");
}
Options options = new Options();
Ln.Level level = Ln.Level.valueOf(args[1].toUpperCase(Locale.ENGLISH));
options.setLogLevel(level);
int maxSize = Integer.parseInt(args[2]) & ~7; // multiple of 8
options.setMaxSize(maxSize);
int bitRate = Integer.parseInt(args[3]);
options.setBitRate(bitRate);
int maxFps = Integer.parseInt(args[4]);
options.setMaxFps(maxFps);
int lockedVideoOrientation = Integer.parseInt(args[5]);
options.setLockedVideoOrientation(lockedVideoOrientation);
// use "adb forward" instead of "adb tunnel"? (so the server must listen)
boolean tunnelForward = Boolean.parseBoolean(args[6]);
options.setTunnelForward(tunnelForward);
Rect crop = parseCrop(args[7]);
options.setCrop(crop);
boolean sendFrameMeta = Boolean.parseBoolean(args[8]);
options.setSendFrameMeta(sendFrameMeta);
boolean control = Boolean.parseBoolean(args[9]);
options.setControl(control);
int displayId = Integer.parseInt(args[10]);
options.setDisplayId(displayId);
boolean showTouches = Boolean.parseBoolean(args[11]);
options.setShowTouches(showTouches);
boolean stayAwake = Boolean.parseBoolean(args[12]);
options.setStayAwake(stayAwake);
String codecOptions = args[13];
options.setCodecOptions(codecOptions);
String encoderName = "-".equals(args[14]) ? null : args[14];
options.setEncoderName(encoderName);
boolean powerOffScreenOnClose = Boolean.parseBoolean(args[15]);
options.setPowerOffScreenOnClose(powerOffScreenOnClose);
return options;
}
private static Rect parseCrop(String crop) {
if ("-".equals(crop)) {
return null;
}
// input format: "width:height:x:y"
String[] tokens = crop.split(":");
if (tokens.length != 4) {
throw new IllegalArgumentException("Crop must contains 4 values separated by colons: \"" + crop + "\"");
}
int width = Integer.parseInt(tokens[0]);
int height = Integer.parseInt(tokens[1]);
int x = Integer.parseInt(tokens[2]);
int y = Integer.parseInt(tokens[3]);
return new Rect(x, y, x + width, y + height);
}
private static void suggestFix(Throwable e) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
if (e instanceof MediaCodec.CodecException) {
MediaCodec.CodecException mce = (MediaCodec.CodecException) e;
if (mce.getErrorCode() == 0xfffffc0e) {
Ln.e("The hardware encoder is not able to encode at the given definition.");
Ln.e("Try with a lower definition:");
Ln.e(" scrcpy -m 1024");
}
}
}
if (e instanceof InvalidDisplayIdException) {
InvalidDisplayIdException idie = (InvalidDisplayIdException) e;
int[] displayIds = idie.getAvailableDisplayIds();
if (displayIds != null && displayIds.length > 0) {
Ln.e("Try to use one of the available display ids:");
for (int id : displayIds) {
Ln.e(" scrcpy --display " + id);
}
}
} else if (e instanceof InvalidEncoderException) {
InvalidEncoderException iee = (InvalidEncoderException) e;
MediaCodecInfo[] encoders = iee.getAvailableEncoders();
if (encoders != null && encoders.length > 0) {
Ln.e("Try to use one of the available encoders:");
for (MediaCodecInfo encoder : encoders) {
Ln.e(" scrcpy --encoder '" + encoder.getName() + "'");
}
}
}
}
public static void main(String... args) throws Exception {
Thread.setDefaultUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler() {
@Override
public void uncaughtException(Thread t, Throwable e) {
Ln.e("Exception on thread " + t, e);
suggestFix(e);
}
});
Options options = createOptions(args);
Ln.initLogLevel(options.getLogLevel());
scrcpy(options);
}
}