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Handle locked video orientation from ScreenInfo

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Centralize video size management in ScreenInfo.

This allows to always send the correct initial video size to the client
if the video orientation is locked.
This commit is contained in:
Romain Vimont 2020-03-05 22:01:35 +01:00
parent c5f5d1e456
commit ae2d094362
3 changed files with 80 additions and 59 deletions
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45
server/src/main/java/com/genymobile/scrcpy/Device.java
View File

@ -22,14 +22,12 @@ public final class Device {
private final ServiceManager serviceManager = new ServiceManager();
private final int lockedVideoOrientation;
private ScreenInfo screenInfo;
private RotationListener rotationListener;
public Device(Options options) {
lockedVideoOrientation = options.getLockedVideoOrientation();
DisplayInfo displayInfo = serviceManager.getDisplayManager().getDisplayInfo();
screenInfo = ScreenInfo.computeScreenInfo(displayInfo, options.getCrop(), options.getMaxSize());
screenInfo = ScreenInfo.computeScreenInfo(displayInfo, options.getCrop(), options.getMaxSize(), options.getLockedVideoOrientation());
registerRotationWatcher(new IRotationWatcher.Stub() {
@Override
public void onRotationChanged(int rotation) throws RemoteException {
@ -49,55 +47,28 @@ public final class Device {
return screenInfo;
}
/**
* Return the rotation to apply to the device rotation to get the requested locked video orientation
*
* @param deviceRotation the device rotation
* @return the rotation offset
*/
public int getVideoRotation(int deviceRotation) {
if (lockedVideoOrientation == -1) {
// no offset
return 0;
}
return (deviceRotation + 4 - lockedVideoOrientation) % 4;
}
/**
* Return the rotation to apply to the requested locked video orientation to get the device rotation
*
* @param deviceRotation the device rotation
* @return the (reverse) rotation offset
*/
private int getReverseVideoRotation(int deviceRotation) {
if (lockedVideoOrientation == -1) {
// no offset
return 0;
}
return (lockedVideoOrientation + 4 - deviceRotation) % 4;
}
public Point getPhysicalPoint(Position position) {
// it hides the field on purpose, to read it with a lock
@SuppressWarnings("checkstyle:HiddenField")
ScreenInfo screenInfo = getScreenInfo(); // read with synchronization
Size videoSize = screenInfo.getVideoSize();
int deviceRotation = screenInfo.getDeviceRotation();
int reverseVideoRotation = getReverseVideoRotation(deviceRotation);
// ignore the locked video orientation, the events will apply in coordinates considered in the physical device orientation
Size unlockedVideoSize = screenInfo.getUnlockedVideoSize();
int reverseVideoRotation = screenInfo.getReverseVideoRotation();
// reverse the video rotation to apply the events
Position devicePosition = position.rotate(reverseVideoRotation);
Size clientVideoSize = devicePosition.getScreenSize();
if (!videoSize.equals(clientVideoSize)) {
if (!unlockedVideoSize.equals(clientVideoSize)) {
// The client sends a click relative to a video with wrong dimensions,
// the device may have been rotated since the event was generated, so ignore the event
return null;
}
Rect contentRect = screenInfo.getContentRect();
Point point = devicePosition.getPoint();
int convertedX = contentRect.left + point.getX() * contentRect.width() / videoSize.getWidth();
int convertedY = contentRect.top + point.getY() * contentRect.height() / videoSize.getHeight();
int convertedX = contentRect.left + point.getX() * contentRect.width() / unlockedVideoSize.getWidth();
int convertedY = contentRect.top + point.getY() * contentRect.height() / unlockedVideoSize.getHeight();
return new Point(convertedX, convertedY);
}

20
server/src/main/java/com/genymobile/scrcpy/ScreenEncoder.java
View File

@ -66,12 +66,15 @@ public class ScreenEncoder implements Device.RotationListener {
IBinder display = createDisplay();
ScreenInfo screenInfo = device.getScreenInfo();
Rect contentRect = screenInfo.getContentRect();
// include the locked video orientation
Rect videoRect = screenInfo.getVideoSize().toRect();
int videoRotation = device.getVideoRotation(screenInfo.getDeviceRotation());
setSize(format, videoRotation, videoRect.width(), videoRect.height());
// does not include the locked video orientation
Rect unlockedVideoRect = screenInfo.getUnlockedVideoSize().toRect();
int videoRotation = screenInfo.getVideoRotation();
setSize(format, videoRect.width(), videoRect.height());
configure(codec, format);
Surface surface = codec.createInputSurface();
setDisplaySurface(display, surface, videoRotation, contentRect, videoRect);
setDisplaySurface(display, surface, videoRotation, contentRect, unlockedVideoRect);
codec.start();
try {
alive = encode(codec, fd);
@ -170,14 +173,9 @@ public class ScreenEncoder implements Device.RotationListener {
codec.configure(format, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE);
}
private static void setSize(MediaFormat format, int orientation, int width, int height) {
if (orientation % 2 == 0) {
format.setInteger(MediaFormat.KEY_WIDTH, width);
format.setInteger(MediaFormat.KEY_HEIGHT, height);
return;
}
format.setInteger(MediaFormat.KEY_WIDTH, height);
format.setInteger(MediaFormat.KEY_HEIGHT, width);
private static void setSize(MediaFormat format, int width, int height) {
format.setInteger(MediaFormat.KEY_WIDTH, width);
format.setInteger(MediaFormat.KEY_HEIGHT, height);
}
private static void setDisplaySurface(IBinder display, Surface surface, int orientation, Rect deviceRect, Rect displayRect) {

74
server/src/main/java/com/genymobile/scrcpy/ScreenInfo.java
View File

@ -9,27 +9,53 @@ public final class ScreenInfo {
private final Rect contentRect; // device size, possibly cropped
/**
* Video size, possibly smaller than the device size, already taking the device rotation and crop into account
* Video size, possibly smaller than the device size, already taking the device rotation and crop into account.
* <p>
* However, it does not include the locked video orientation.
*/
private final Size videoSize;
private final Size unlockedVideoSize;
/**
* Device rotation, related to the natural device orientation (0, 1, 2 or 3)
*/
private final int deviceRotation;
public ScreenInfo(Rect contentRect, Size videoSize, int deviceRotation) {
/**
* The locked video orientation (-1: disabled, 0: normal, 1: 90° CCW, 2: 180°, 3: 90° CW)
*/
private final int lockedVideoOrientation;
public ScreenInfo(Rect contentRect, Size unlockedVideoSize, int deviceRotation, int lockedVideoOrientation) {
this.contentRect = contentRect;
this.videoSize = videoSize;
this.unlockedVideoSize = unlockedVideoSize;
this.deviceRotation = deviceRotation;
this.lockedVideoOrientation = lockedVideoOrientation;
}
public Rect getContentRect() {
return contentRect;
}
/**
* Return the video size as if locked video orientation was not set.
*
* @return the unlocked video size
*/
public Size getUnlockedVideoSize() {
return unlockedVideoSize;
}
/**
* Return the actual video size if locked video orientation is set.
*
* @return the actual video size
*/
public Size getVideoSize() {
return videoSize;
if (getVideoRotation() % 2 == 0) {
return unlockedVideoSize;
}
return unlockedVideoSize.rotate();
}
public int getDeviceRotation() {
@ -43,18 +69,18 @@ public final class ScreenInfo {
// true if changed between portrait and landscape
boolean orientationChanged = (deviceRotation + newDeviceRotation) % 2 != 0;
Rect newContentRect;
Size newVideoSize;
Size newUnlockedVideoSize;
if (orientationChanged) {
newContentRect = flipRect(contentRect);
newVideoSize = videoSize.rotate();
newUnlockedVideoSize = unlockedVideoSize.rotate();
} else {
newContentRect = contentRect;
newVideoSize = videoSize;
newUnlockedVideoSize = unlockedVideoSize;
}
return new ScreenInfo(newContentRect, newVideoSize, newDeviceRotation);
return new ScreenInfo(newContentRect, newUnlockedVideoSize, newDeviceRotation, lockedVideoOrientation);
}
public static ScreenInfo computeScreenInfo(DisplayInfo displayInfo, Rect crop, int maxSize) {
public static ScreenInfo computeScreenInfo(DisplayInfo displayInfo, Rect crop, int maxSize, int lockedVideoOrientation) {
int rotation = displayInfo.getRotation();
Size deviceSize = displayInfo.getSize();
Rect contentRect = new Rect(0, 0, deviceSize.getWidth(), deviceSize.getHeight());
@ -71,7 +97,7 @@ public final class ScreenInfo {
}
Size videoSize = computeVideoSize(contentRect.width(), contentRect.height(), maxSize);
return new ScreenInfo(contentRect, videoSize, rotation);
return new ScreenInfo(contentRect, videoSize, rotation, lockedVideoOrientation);
}
private static String formatCrop(Rect rect) {
@ -109,4 +135,30 @@ public final class ScreenInfo {
private static Rect flipRect(Rect crop) {
return new Rect(crop.top, crop.left, crop.bottom, crop.right);
}
/**
* Return the rotation to apply to the device rotation to get the requested locked video orientation
*
* @return the rotation offset
*/
public int getVideoRotation() {
if (lockedVideoOrientation == -1) {
// no offset
return 0;
}
return (deviceRotation + 4 - lockedVideoOrientation) % 4;
}
/**
* Return the rotation to apply to the requested locked video orientation to get the device rotation
*
* @return the (reverse) rotation offset
*/
public int getReverseVideoRotation() {
if (lockedVideoOrientation == -1) {
// no offset
return 0;
}
return (lockedVideoOrientation + 4 - deviceRotation) % 4;
}
}