Add old Termux try
This commit is contained in:
parent
dac9ce9d50
commit
8ec292ba11
SSH Key Fingerprint:
SHA256:BtnEgYTlHdOg1u+RmYcDE0mnfz1rhv5dSbQ2gyxW8B8
@ -3,11 +3,42 @@ package com.robust_image_source_identification_on_modern_smartphones.camera;
|
||||
import android.app.Activity;
|
||||
import android.os.Bundle;
|
||||
import android.widget.TextView;
|
||||
import android.content.Context;
|
||||
import android.util.Log;
|
||||
|
||||
import android.content.Context;
|
||||
import android.content.Intent;
|
||||
import android.graphics.ImageFormat;
|
||||
import android.graphics.SurfaceTexture;
|
||||
import android.hardware.camera2.CameraAccessException;
|
||||
import android.hardware.camera2.CameraCaptureSession;
|
||||
import android.hardware.camera2.CameraCharacteristics;
|
||||
import android.hardware.camera2.CameraDevice;
|
||||
import android.hardware.camera2.CameraManager;
|
||||
import android.hardware.camera2.CameraMetadata;
|
||||
import android.hardware.camera2.CaptureRequest;
|
||||
import android.hardware.camera2.TotalCaptureResult;
|
||||
import android.hardware.camera2.params.StreamConfigurationMap;
|
||||
import android.media.Image;
|
||||
import android.media.ImageReader;
|
||||
import android.os.Looper;
|
||||
import android.util.Size;
|
||||
import android.view.Surface;
|
||||
import android.view.WindowManager;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.FileOutputStream;
|
||||
import java.io.PrintWriter;
|
||||
import java.nio.ByteBuffer;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Arrays;
|
||||
import java.util.Collections;
|
||||
import java.util.Comparator;
|
||||
import java.util.List;
|
||||
import java.util.Objects;
|
||||
|
||||
public class MainActivity extends Activity {
|
||||
private static final String LOG_TAG = "CameraPhotoAPI";
|
||||
|
||||
@Override
|
||||
protected void onCreate(Bundle savedInstanceState) {
|
||||
super.onCreate(savedInstanceState);
|
||||
@ -18,12 +49,259 @@ public class MainActivity extends Activity {
|
||||
log("Camera app initialized!");
|
||||
try {
|
||||
CameraManager cameraManager = (CameraManager)context.getSystemService(Context.CAMERA_SERVICE);
|
||||
text.setText("Number of cameras: " + String.valueOf(cameraManager.getCameraIdList().length));
|
||||
text.setText("Number of !" + System.getProperty("user.dir") + "! cameras: " + String.valueOf(cameraManager.getCameraIdList().length));
|
||||
}
|
||||
catch (Exception _e) {}
|
||||
takePicture(null, context, new File("/sdcard/camera.jpg"), "0");
|
||||
}
|
||||
|
||||
private void log(String toLog) {
|
||||
Log.i("Robust image source identification on modern smartphones camera", toLog);
|
||||
}
|
||||
|
||||
/*public static void onReceive(TermuxApiReceiver apiReceiver, final Context context, Intent intent) {
|
||||
Log.d(LOG_TAG, "onReceive");
|
||||
|
||||
final String filePath = intent.getStringExtra("file");
|
||||
final String cameraId = Objects.toString(intent.getStringExtra("camera"), "0");
|
||||
|
||||
ResultReturner.returnData(apiReceiver, intent, stdout -> {
|
||||
if (filePath == null || filePath.isEmpty()) {
|
||||
stdout.println("ERROR: " + "File path not passed");
|
||||
return;
|
||||
}
|
||||
|
||||
// Get canonical path of photoFilePath
|
||||
String photoFilePath = TermuxFileUtils.getCanonicalPath(filePath, null, true);
|
||||
String photoDirPath = FileUtils.getFileDirname(photoFilePath);
|
||||
Log.v(LOG_TAG, "photoFilePath=\"" + photoFilePath + "\", photoDirPath=\"" + photoDirPath + "\"");
|
||||
|
||||
// If workingDirectory is not a directory, or is not readable or writable, then just return
|
||||
// Creation of missing directory and setting of read, write and execute permissions are only done if workingDirectory is
|
||||
// under allowed termux working directory paths.
|
||||
// We try to set execute permissions, but ignore if they are missing, since only read and write permissions are required
|
||||
// for working directories.
|
||||
Error error = TermuxFileUtils.validateDirectoryFileExistenceAndPermissions("photo directory", photoDirPath,
|
||||
true, true, true,
|
||||
false, true);
|
||||
if (error != null) {
|
||||
stdout.println("ERROR: " + error.getErrorLogString());
|
||||
return;
|
||||
}
|
||||
|
||||
takePicture(stdout, context, new File(photoFilePath), cameraId);
|
||||
});
|
||||
}*/
|
||||
|
||||
private static void takePicture(final PrintWriter stdout, final Context context, final File outputFile, String cameraId) {
|
||||
try {
|
||||
final CameraManager manager = (CameraManager) context.getSystemService(Context.CAMERA_SERVICE);
|
||||
|
||||
Looper.prepare();
|
||||
final Looper looper = Looper.myLooper();
|
||||
|
||||
//noinspection MissingPermission
|
||||
manager.openCamera(cameraId, new CameraDevice.StateCallback() {
|
||||
@Override
|
||||
public void onOpened(final CameraDevice camera) {
|
||||
try {
|
||||
proceedWithOpenedCamera(context, manager, camera, outputFile, looper, stdout);
|
||||
} catch (Exception e) {
|
||||
//Log.logStackTraceWithMessage(LOG_TAG, "Exception in onOpened()", e);
|
||||
closeCamera(camera, looper);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onDisconnected(CameraDevice camera) {
|
||||
Log.i(LOG_TAG, "onDisconnected() from camera");
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onError(CameraDevice camera, int error) {
|
||||
Log.e(LOG_TAG, "Failed opening camera: " + error);
|
||||
closeCamera(camera, looper);
|
||||
}
|
||||
}, null);
|
||||
|
||||
Looper.loop();
|
||||
} catch (Exception e) {
|
||||
//Logger.logStackTraceWithMessage(LOG_TAG, "Error getting camera", e);
|
||||
}
|
||||
}
|
||||
|
||||
// See answer on http://stackoverflow.com/questions/31925769/pictures-with-camera2-api-are-really-dark
|
||||
// See https://developer.android.com/reference/android/hardware/camera2/CameraDevice.html#createCaptureSession(java.util.List<android.view.Surface>, android.hardware.camera2.CameraCaptureSession.StateCallback, android.os.Handler)
|
||||
// for information about guaranteed support for output sizes and formats.
|
||||
static void proceedWithOpenedCamera(final Context context, final CameraManager manager, final CameraDevice camera, final File outputFile, final Looper looper, final PrintWriter stdout) throws CameraAccessException, IllegalArgumentException {
|
||||
final List<Surface> outputSurfaces = new ArrayList<>();
|
||||
|
||||
final CameraCharacteristics characteristics = manager.getCameraCharacteristics(camera.getId());
|
||||
|
||||
int autoExposureMode = CameraMetadata.CONTROL_AE_MODE_OFF;
|
||||
for (int supportedMode : characteristics.get(CameraCharacteristics.CONTROL_AE_AVAILABLE_MODES)) {
|
||||
if (supportedMode == CameraMetadata.CONTROL_AE_MODE_ON) {
|
||||
autoExposureMode = supportedMode;
|
||||
}
|
||||
}
|
||||
final int autoExposureModeFinal = autoExposureMode;
|
||||
|
||||
// Use largest available size:
|
||||
StreamConfigurationMap map = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
|
||||
Comparator<Size> bySize = (lhs, rhs) -> {
|
||||
// Cast to ensure multiplications won't overflow:
|
||||
return Long.signum((long) lhs.getWidth() * lhs.getHeight() - (long) rhs.getWidth() * rhs.getHeight());
|
||||
};
|
||||
List<Size> sizes = Arrays.asList(map.getOutputSizes(ImageFormat.JPEG));
|
||||
Size largest = Collections.max(sizes, bySize);
|
||||
|
||||
final ImageReader mImageReader = ImageReader.newInstance(largest.getWidth(), largest.getHeight(), ImageFormat.JPEG, 2);
|
||||
mImageReader.setOnImageAvailableListener(reader -> new Thread() {
|
||||
@Override
|
||||
public void run() {
|
||||
try (final Image mImage = reader.acquireNextImage()) {
|
||||
ByteBuffer buffer = mImage.getPlanes()[0].getBuffer();
|
||||
byte[] bytes = new byte[buffer.remaining()];
|
||||
buffer.get(bytes);
|
||||
try (FileOutputStream output = new FileOutputStream(outputFile)) {
|
||||
output.write(bytes);
|
||||
} catch (Exception e) {
|
||||
stdout.println("Error writing image: " + e.getMessage());
|
||||
//Logger.logStackTraceWithMessage(LOG_TAG, "Error writing image", e);
|
||||
}
|
||||
} finally {
|
||||
mImageReader.close();
|
||||
releaseSurfaces(outputSurfaces);
|
||||
closeCamera(camera, looper);
|
||||
}
|
||||
}
|
||||
}.start(), null);
|
||||
final Surface imageReaderSurface = mImageReader.getSurface();
|
||||
outputSurfaces.add(imageReaderSurface);
|
||||
|
||||
// create a dummy PreviewSurface
|
||||
SurfaceTexture previewTexture = new SurfaceTexture(1);
|
||||
Surface dummySurface = new Surface(previewTexture);
|
||||
outputSurfaces.add(dummySurface);
|
||||
|
||||
camera.createCaptureSession(outputSurfaces, new CameraCaptureSession.StateCallback() {
|
||||
@Override
|
||||
public void onConfigured(final CameraCaptureSession session) {
|
||||
try {
|
||||
// create preview Request
|
||||
CaptureRequest.Builder previewReq = camera.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
|
||||
previewReq.addTarget(dummySurface);
|
||||
previewReq.set(CaptureRequest.CONTROL_AF_MODE, CameraMetadata.CONTROL_AF_MODE_CONTINUOUS_PICTURE);
|
||||
previewReq.set(CaptureRequest.CONTROL_AE_MODE, autoExposureModeFinal);
|
||||
|
||||
// continous preview-capture for 1/2 second
|
||||
session.setRepeatingRequest(previewReq.build(), null, null);
|
||||
Log.i(LOG_TAG, "preview started");
|
||||
Thread.sleep(500);
|
||||
session.stopRepeating();
|
||||
Log.i(LOG_TAG, "preview stoppend");
|
||||
|
||||
final CaptureRequest.Builder jpegRequest = camera.createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE);
|
||||
// Render to our image reader:
|
||||
jpegRequest.addTarget(imageReaderSurface);
|
||||
// Configure auto-focus (AF) and auto-exposure (AE) modes:
|
||||
jpegRequest.set(CaptureRequest.CONTROL_AF_MODE, CameraMetadata.CONTROL_AF_MODE_CONTINUOUS_PICTURE);
|
||||
jpegRequest.set(CaptureRequest.CONTROL_AE_MODE, autoExposureModeFinal);
|
||||
jpegRequest.set(CaptureRequest.JPEG_ORIENTATION, correctOrientation(context, characteristics));
|
||||
|
||||
saveImage(camera, session, jpegRequest.build());
|
||||
} catch (Exception e) {
|
||||
//Logger.logStackTraceWithMessage(LOG_TAG, "onConfigured() error in preview", e);
|
||||
mImageReader.close();
|
||||
releaseSurfaces(outputSurfaces);
|
||||
closeCamera(camera, looper);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onConfigureFailed(CameraCaptureSession session) {
|
||||
Log.e(LOG_TAG, "onConfigureFailed() error in preview");
|
||||
mImageReader.close();
|
||||
releaseSurfaces(outputSurfaces);
|
||||
closeCamera(camera, looper);
|
||||
}
|
||||
}, null);
|
||||
}
|
||||
|
||||
static void saveImage(final CameraDevice camera, CameraCaptureSession session, CaptureRequest request) throws CameraAccessException {
|
||||
session.capture(request, new CameraCaptureSession.CaptureCallback() {
|
||||
@Override
|
||||
public void onCaptureCompleted(CameraCaptureSession completedSession, CaptureRequest request, TotalCaptureResult result) {
|
||||
Log.i(LOG_TAG, "onCaptureCompleted()");
|
||||
}
|
||||
}, null);
|
||||
}
|
||||
|
||||
/**
|
||||
* Determine the correct JPEG orientation, taking into account device and sensor orientations.
|
||||
* See https://developer.android.com/reference/android/hardware/Camera.html#setDisplayOrientation(int)
|
||||
*/
|
||||
static int correctOrientation(final Context context, final CameraCharacteristics characteristics) {
|
||||
final Integer lensFacing = characteristics.get(CameraCharacteristics.LENS_FACING);
|
||||
final boolean isFrontFacing = lensFacing != null && lensFacing == CameraCharacteristics.LENS_FACING_FRONT;
|
||||
Log.i(LOG_TAG, (isFrontFacing ? "Using" : "Not using") + " a front facing camera.");
|
||||
|
||||
Integer sensorOrientation = characteristics.get(CameraCharacteristics.SENSOR_ORIENTATION);
|
||||
if (sensorOrientation != null) {
|
||||
Log.i(LOG_TAG, String.format("Sensor orientation: %s degrees", sensorOrientation));
|
||||
} else {
|
||||
Log.i(LOG_TAG, "CameraCharacteristics didn't contain SENSOR_ORIENTATION. Assuming 0 degrees.");
|
||||
sensorOrientation = 0;
|
||||
}
|
||||
|
||||
int deviceOrientation;
|
||||
final int deviceRotation =
|
||||
((WindowManager) context.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay().getRotation();
|
||||
switch (deviceRotation) {
|
||||
case Surface.ROTATION_0:
|
||||
deviceOrientation = 0;
|
||||
break;
|
||||
case Surface.ROTATION_90:
|
||||
deviceOrientation = 90;
|
||||
break;
|
||||
case Surface.ROTATION_180:
|
||||
deviceOrientation = 180;
|
||||
break;
|
||||
case Surface.ROTATION_270:
|
||||
deviceOrientation = 270;
|
||||
break;
|
||||
default:
|
||||
Log.i(LOG_TAG,
|
||||
String.format("Default display has unknown rotation %d. Assuming 0 degrees.", deviceRotation));
|
||||
deviceOrientation = 0;
|
||||
}
|
||||
Log.i(LOG_TAG, String.format("Device orientation: %d degrees", deviceOrientation));
|
||||
|
||||
int jpegOrientation;
|
||||
if (isFrontFacing) {
|
||||
jpegOrientation = sensorOrientation + deviceOrientation;
|
||||
} else {
|
||||
jpegOrientation = sensorOrientation - deviceOrientation;
|
||||
}
|
||||
// Add an extra 360 because (-90 % 360) == -90 and Android won't accept a negative rotation.
|
||||
jpegOrientation = (jpegOrientation + 360) % 360;
|
||||
Log.i(LOG_TAG, String.format("Returning JPEG orientation of %d degrees", jpegOrientation));
|
||||
return jpegOrientation;
|
||||
}
|
||||
|
||||
static void releaseSurfaces(List<Surface> outputSurfaces) {
|
||||
for (Surface outputSurface : outputSurfaces) {
|
||||
outputSurface.release();
|
||||
}
|
||||
Log.i(LOG_TAG, "surfaces released");
|
||||
}
|
||||
|
||||
static void closeCamera(CameraDevice camera, Looper looper) {
|
||||
try {
|
||||
camera.close();
|
||||
} catch (RuntimeException e) {
|
||||
Log.i(LOG_TAG, "Exception closing camera: " + e.getMessage());
|
||||
}
|
||||
if (looper != null) looper.quit();
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user