peertube-live-streaming/encoder/src/main/java/com/pedro/encoder/input/video/CameraHelper.java

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Java
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2021-06-22 16:05:02 +02:00
package com.pedro.encoder.input.video;
import android.content.Context;
import android.view.MotionEvent;
import android.view.Surface;
import android.view.WindowManager;
/**
* Created by pedro on 17/12/18.
*/
public class CameraHelper {
private static final float[] verticesData = {
// X, Y, Z, U, V
-1f, -1f, 0f, 0f, 0f,
1f, -1f, 0f, 1f, 0f,
-1f, 1f, 0f, 0f, 1f,
1f, 1f, 0f, 1f, 1f,
};
public static float[] getVerticesData() {
return verticesData;
}
public static int getCameraOrientation(Context context) {
WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
if (windowManager != null) {
int orientation = windowManager.getDefaultDisplay().getRotation();
switch (orientation) {
case Surface.ROTATION_0: //portrait
return 90;
case Surface.ROTATION_90: //landscape
return 0;
case Surface.ROTATION_180: //reverse portrait
return 270;
case Surface.ROTATION_270: //reverse landscape
return 180;
default:
return 0;
}
} else {
return 0;
}
}
public static boolean isPortrait(Context context) {
int orientation = getCameraOrientation(context);
return orientation == 90 || orientation == 270;
}
public static float getFingerSpacing(MotionEvent event) {
float x = event.getX(0) - event.getX(1);
float y = event.getY(0) - event.getY(1);
return (float) Math.sqrt(x * x + y * y);
}
public enum Facing {
BACK, FRONT
}
}