public void setCameraDisplaySetting() {
// //Set Orentation
if (!devicearraydata[2].equals("BYPASS")) { // --> For Camera Orentation Support
cam.setDisplayOrientation(Integer.parseInt(devicearraydata[2]));
}
// //Set Camera Preview
// Parameters param = cam.getParameters();
// param.setPreviewSize(Integer.parseInt(devicearraydata[4]),
// Integer.parseInt(devicearraydata[3]));
try {
// cam.setParameters(param);
setPictureSizeOfScreenAndPreviewsize();
} catch (Exception e) {
PrintLog.print(activity, "Can't setPreviewSize");
Parameters param = cam.getParameters();
param.setPreviewSize(480, 640);
cam.setParameters(param);
PrintLog.print(activity, "set lowest PreviewSize 480x640");
}
PrintLog.print(activity.getApplicationContext(), Deviceinfo.BUILD_MODEL);
PrintLog.print(
activity.getApplicationContext(), Deviceinfo.getDeviceScreenOrentation(activity));
PrintLog.print(
activity.getApplicationContext(),
"W"
+ Deviceinfo.getDeviceScreenSize(activity)[0]
+ "|H"
+ Deviceinfo.getDeviceScreenSize(activity)[1]
+ "|A"
+ Deviceinfo.getStatusBarHeight(activity));
}
// Called when holder has changed
public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
Camera.Parameters parameters = camera.getParameters();
List<String> focusModes = parameters.getSupportedFocusModes();
if (focusModes.contains(Camera.Parameters.FOCUS_MODE_AUTO)) {
Log.d("camera", "focus_mode_auto");
parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);
} else {
Log.d("camera", "focus_mode_macro");
parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_MACRO);
}
Log.d("camera", "orientation: " + getResources().getConfiguration().orientation);
int orientation = getResources().getConfiguration().orientation;
switch (orientation) {
case Surface.ROTATION_0:
Log.d("camera", "ROTATION_0");
camera.setDisplayOrientation(180);
break;
case Surface.ROTATION_90:
Log.d("camera", "ROTATION_90");
camera.setDisplayOrientation(90);
break;
case Surface.ROTATION_180:
Log.d("camera", "ROTATION_180");
camera.setDisplayOrientation(0);
break;
case Surface.ROTATION_270:
Log.d("camera", "ROTATION_270");
camera.setDisplayOrientation(270);
break;
}
camera.setParameters(parameters);
camera.startPreview();
}
public void startCamera() {
mCamera = Camera.open();
try {
Camera.Parameters parameters = mCamera.getParameters();
Display display =
((WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
if (display.getRotation() == Surface.ROTATION_0) {
// parameters.setPreviewSize(height, width);
mCamera.setDisplayOrientation(90);
}
if (display.getRotation() == Surface.ROTATION_90) {
// parameters.setPreviewSize(width, height);
}
if (display.getRotation() == Surface.ROTATION_180) {
// parameters.setPreviewSize(height, width);
}
if (display.getRotation() == Surface.ROTATION_270) {
// parameters.setPreviewSize(width, height);
mCamera.setDisplayOrientation(180);
}
mCamera.setParameters(parameters);
mCamera.setPreviewDisplay(surface_holder);
mCamera.startPreview();
cameraRunning = true;
} catch (IOException exception) {
mCamera.release();
mCamera = null;
}
}
/** **************************************************************** about Camera */
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
Log.d(TAG, "---->>>>>>>>>> surfaceChanged()");
if (holder.getSurface() == null) {
Log.d(TAG, "---- surfaceChanged(), holder.getSurface() == null");
return;
}
mSurfaceHolder = holder;
try {
hasCamera = true;
nocamera.setVisibility(View.GONE);
mCameraDevice = Camera.open(mCurrentCameraId);
} catch (Exception e) {
hasCamera = false;
nocamera.setVisibility(View.VISIBLE);
mSwitchBut.setVisibility(View.GONE);
Log.e(TAG, " ____________- camera error");
return;
}
if (mHardwareRotation == 0) // XXX
mCameraDevice.setDisplayOrientation(90);
if (mCurrentCameraId == 1) mCameraDevice.setDisplayOrientation(270); // XXX
try {
mCameraDevice.setPreviewDisplay(mSurfaceHolder);
} catch (IOException e) {
e.printStackTrace();
}
mCameraDevice.startPreview();
}
/** 开启相机拍摄 */
public void startCapture() {
try {
cameraInfo = new CameraInfo();
if (mCamera == null) {
// mCamera = Camera.open();
camera_count = Camera.getNumberOfCameras();
Log.e(TAG, "camera count:" + camera_count);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD) {
for (int i = 0; i < camera_count; i++) {
CameraInfo info = new CameraInfo();
Camera.getCameraInfo(i, info);
// find front camera
if (info.facing == CameraInfo.CAMERA_FACING_FRONT) {
Log.e(TAG, "to open front camera");
mCamera = Camera.open(i);
Camera.getCameraInfo(i, cameraInfo);
}
}
}
if (mCamera == null) {
Log.e(TAG, "AAAAA OPEN camera");
mCamera = Camera.open();
Camera.getCameraInfo(0, cameraInfo);
}
}
mCamera.stopPreview();
mParameters = mCamera.getParameters();
if (isScreenOriatationPortrait()) {
if (cameraInfo.orientation == 270 || cameraInfo.orientation == 0)
mCamera.setDisplayOrientation(90);
if (cameraInfo.orientation == 90) mCamera.setDisplayOrientation(270);
} else {
if (cameraInfo.orientation == 90) mCamera.setDisplayOrientation(180);
}
mParameters.setPreviewSize(mwidth, mheight);
mParameters.setPreviewFrameRate(15);
mCamera.setParameters(mParameters);
int mformat = mParameters.getPreviewFormat();
int bitsperpixel = ImageFormat.getBitsPerPixel(mformat);
Log.e(TAG, "pzy bitsperpixel: " + bitsperpixel);
yuv_frame = new byte[mwidth * mheight * bitsperpixel / 8];
yuv_Rotate90 = new byte[mwidth * mheight * bitsperpixel / 8];
// yuv_Rotate90lr = new byte[mwidth * mheight * bitsperpixel / 8];
mCamera.addCallbackBuffer(yuv_frame);
// mCamera.setPreviewDisplay(holder);
mCamera.setPreviewDisplay(localSurfaceHolder);
mCamera.setPreviewCallbackWithBuffer(this);
EMVideoCallHelper.getInstance().setResolution(mwidth, mheight);
mCamera.startPreview();
Log.d(TAG, "camera start preview");
} catch (Exception e) {
e.printStackTrace();
if (mCamera != null) mCamera.release();
}
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
if (newConfig.orientation == Configuration.ORIENTATION_PORTRAIT) {
mCamera.setDisplayOrientation(90);
} else if (newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE) {
mCamera.setDisplayOrientation(0);
}
}
private boolean prepareMediaRecorder() {
myCamera = getCameraInstance(switchCam);
Camera.Parameters parameters = myCamera.getParameters();
parameters.setFlashMode(getFlashModeSetting());
if (getResources().getConfiguration().orientation != Configuration.ORIENTATION_LANDSCAPE) {
myCamera.setDisplayOrientation(90);
} else {
myCamera.setDisplayOrientation(0);
}
myCamera.setParameters(parameters);
myCamera.unlock();
mediaRecorder = new MediaRecorder();
mediaRecorder.setCamera(myCamera);
mediaRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER);
mediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
if (switchCam == 1) {
mediaRecorder.setProfile(CamcorderProfile.get(CamcorderProfile.QUALITY_LOW));
mediaRecorder.setVideoFrameRate(15);
} else {
mediaRecorder.setProfile(CamcorderProfile.get(CamcorderProfile.QUALITY_HIGH));
mediaRecorder.setVideoFrameRate(30);
}
if (switchCam == 0) {
if (getResources().getConfiguration().orientation != Configuration.ORIENTATION_LANDSCAPE) {
mediaRecorder.setOrientationHint(90);
} else {
mediaRecorder.setOrientationHint(0);
}
} else {
mediaRecorder.setOrientationHint(270);
}
mediaRecorder.setOutputFile("/sdcard/" + customVideoPath + ".mp4");
mediaRecorder.setMaxDuration(240000); // Set max duration 4 mins.
mediaRecorder.setMaxFileSize(8000000); // Set max file size 8M
mediaRecorder.setPreviewDisplay(myCameraSurfaceView.getHolder().getSurface());
try {
mediaRecorder.prepare();
} catch (IllegalStateException e) {
releaseMediaRecorder();
return false;
} catch (IOException e) {
releaseMediaRecorder();
return false;
}
return true;
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
try {
// open the camera
camera = Camera.open(1);
} catch (RuntimeException e) {
// check for exceptions
System.err.println(e);
return;
}
Camera.Parameters param;
param = camera.getParameters();
// modify parameter
param.setPreviewSize(352, 288);
camera.setParameters(param);
try {
// The Surface has been created, now tell the camera where to draw
// the preview.
camera.setPreviewDisplay(surfaceHolder);
camera.setDisplayOrientation(90);
camera.startPreview();
} catch (Exception e) {
// check for exceptions
System.err.println(e);
return;
}
}
protected synchronized void updateCamera() throws RuntimeException {
// The camera is already correctly configured
if (mUpdated) return;
if (mPreviewStarted) {
mPreviewStarted = false;
mCamera.stopPreview();
}
Parameters parameters = mCamera.getParameters();
mQuality = VideoQuality.determineClosestSupportedResolution(parameters, mQuality);
int[] max = VideoQuality.determineMaximumSupportedFramerate(parameters);
double ratio = (double) mQuality.resX / (double) mQuality.resY;
mSurfaceView.requestAspectRatio(ratio);
parameters.setPreviewFormat(mCameraImageFormat);
parameters.setPreviewSize(mQuality.resX, mQuality.resY);
parameters.setPreviewFpsRange(max[0], max[1]);
try {
mCamera.setParameters(parameters);
mCamera.setDisplayOrientation(mOrientation);
mCamera.startPreview();
mPreviewStarted = true;
mUpdated = true;
} catch (RuntimeException e) {
destroyCamera();
throw e;
}
}
public void surfaceChanged(SurfaceHolder mholder, int format, int w, int h) {
// If your preview can change or rotate, take care of those events here.
// Make sure to stop the preview before resizing or reformatting it.
if (mHolder.getSurface() == null) {
// preview surface does not exist
return;
}
// stop preview before making changes
try {
mCamera.stopPreview();
} catch (Exception e) {
Log.d(LOG_TAG, "Unable to stop preview");
}
Parameters p = mCamera.getParameters();
mCamera.setDisplayOrientation(90);
mCamera.setParameters(p);
Log.d(LOG_TAG, "Surface changed");
// set preview size and make any resize, rotate or
// reformatting changes here
// start preview with new settings
try {
mCamera.setPreviewDisplay(mholder);
mCamera.startPreview();
Log.d(LOG_TAG, "Starting camera preview ");
} catch (IOException e) {
Log.d(LOG_TAG, "Error starting camera preview " + e.getMessage());
} catch (Exception e) {
Log.d(LOG_TAG, "Error 2 starting camera preview " + e.getMessage());
}
}
public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
// If your preview can change or rotate, take care of those events here.
// Make sure to stop the preview before resizing or reformatting it.
if (mHolder.getSurface() == null) {
// preview surface does not exist
return;
}
// stop preview before making changes
try {
mCamera.stopPreview();
} catch (Exception e) {
// ignore: tried to stop a non-existent preview
}
// set preview size and make any resize, rotate or
// reformatting changes here
// start preview with new settings
try {
mCamera.setDisplayOrientation(90);
mCamera.setPreviewDisplay(mHolder);
mCamera.startPreview();
startFaceDetection(); // start face detection feature
} catch (Exception e) {
Log.d(TAG, "Error starting camera preview: " + e.getMessage());
}
}
@Override
protected void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_take_photo);
if (checkCameraHardware(getApplicationContext())) {
camera = Camera.open();
if (camera == null) {
onBackPressed();
Toast.makeText(this, R.string.camera_is_not_available, Toast.LENGTH_LONG).show();
}
camera.setDisplayOrientation(PORTRAIT_DISPLAY_ORIENTATION);
final CameraPreview cameraPreview = new CameraPreview(this, camera);
final FrameLayout preview = (FrameLayout) findViewById(R.id.camera_preview);
preview.addView(cameraPreview);
final Button takePhotoButton = (Button) findViewById(R.id.takePhotoOnCameraButton);
final CameraPictureCallback pictureCallback = new CameraPictureCallback(this);
takePhotoButton.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(final View v) {
camera.takePicture(null, null, pictureCallback);
}
});
} else {
onBackPressed();
Toast.makeText(this, R.string.no_camera_detected, Toast.LENGTH_LONG).show();
}
}
@Override
public void alignCameraAndDisplayOrientation(WindowManager windowManager) {
Camera.CameraInfo info = new Camera.CameraInfo();
Camera.getCameraInfo(id, info);
int rotation = windowManager.getDefaultDisplay().getRotation();
int degrees = 0;
switch (rotation) {
case Surface.ROTATION_0:
degrees = 0;
break;
case Surface.ROTATION_90:
degrees = 90;
break;
case Surface.ROTATION_180:
degrees = 180;
break;
case Surface.ROTATION_270:
degrees = 270;
break;
}
int result;
if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
result = (info.orientation + degrees) % 360;
result = (360 - result) % 360; // compensate the mirror
} else { // back-facing
result = (info.orientation - degrees + 360) % 360;
}
camera.setDisplayOrientation(result);
}
void setCameraDisplayOrientation(int cameraId) {
int rotation = getWindowManager().getDefaultDisplay().getRotation();
int degrees = 0;
switch (rotation) {
case Surface.ROTATION_0:
degrees = 0;
break;
case Surface.ROTATION_90:
degrees = 90;
break;
case Surface.ROTATION_180:
degrees = 180;
break;
case Surface.ROTATION_270:
degrees = 270;
break;
}
int result = 0;
CameraInfo info = new CameraInfo();
Camera.getCameraInfo(cameraId, info);
if (info.facing == CameraInfo.CAMERA_FACING_BACK) {
result = ((360 - degrees) + info.orientation);
} else if (info.facing == CameraInfo.CAMERA_FACING_FRONT) {
result = ((360 - degrees) - info.orientation);
result += 360;
}
result = result % 360;
camera.setDisplayOrientation(result);
}
public void setCameraDisplayOrientation() {
if (camera == null || cameraInfo == null) {
return;
}
WindowManager winManager = (WindowManager) getSystemService(Context.WINDOW_SERVICE);
int rotation = winManager.getDefaultDisplay().getRotation();
int degrees = 0;
switch (rotation) {
case Surface.ROTATION_0:
degrees = 0;
break;
case Surface.ROTATION_90:
degrees = 90;
break;
case Surface.ROTATION_180:
degrees = 180;
break;
case Surface.ROTATION_270:
degrees = 270;
break;
}
int mRotation;
if (cameraInfo.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
mRotation = (cameraInfo.orientation + degrees) % 360;
mRotation = (360 - mRotation) % 360; // compensate the mirror
} else { // back-facing
mRotation = (cameraInfo.orientation - degrees + 360) % 360;
}
camera.setDisplayOrientation(mRotation);
}
public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
// If your preview can change or rotate, take care of those events here.
// Make sure to stop the preview before resizing or reformatting it.
// Change the weird default display orientation.
mCamera.setDisplayOrientation(90);
refreshCamera(mCamera);
}
public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
Log.e(TAG, "surfaceChanged => w=" + w + ", h=" + h);
// If your preview can change or rotate, take care of those events here.
// Make sure to stop the preview before resizing or reformatting it.
if (mHolder.getSurface() == null) {
// preview surface does not exist
return;
}
// stop preview before making changes
try {
mCamera.stopPreview();
} catch (Exception e) {
// ignore: tried to stop a non-existent preview
}
// set preview size and make any resize, rotate or reformatting changes here
// start preview with new settings
try {
Camera.Parameters parameters = mCamera.getParameters();
/* INSERT ZOOM HERE */
parameters.setPreviewSize(mPreviewSize.width, mPreviewSize.height);
parameters.setRotation(90);
mCamera.setParameters(parameters);
mCamera.setDisplayOrientation(90);
mCamera.setPreviewDisplay(mHolder);
mCamera.startPreview();
} catch (Exception e) {
Log.d(TAG, "Error starting camera preview: " + e.getMessage());
}
}
/** Asks the camera hardware to begin drawing preview frames to the screen. */
public void startPreview() {
if (camera != null && !previewing) {
camera.setDisplayOrientation(90);
camera.startPreview();
previewing = true;
}
}
public void updateDisplayOrientation(Context context) {
if (!opened) throw new IllegalStateException("Camera not opened yet");
joinPreviewStarter();
final boolean restartPreview =
previewing && Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH;
if (restartPreview) {
previewing = false;
camera.stopPreview();
}
int rotation =
((WindowManager) context.getSystemService(Context.WINDOW_SERVICE))
.getDefaultDisplay()
.getRotation();
int degrees = 0;
switch (rotation) {
case Surface.ROTATION_0:
degrees = 0;
break;
case Surface.ROTATION_90:
degrees = 90;
break;
case Surface.ROTATION_180:
degrees = 180;
break;
case Surface.ROTATION_270:
degrees = 270;
break;
}
cameraRotation = (cameraOrientation - degrees + 360) % 360;
camera.setDisplayOrientation(cameraRotation);
if (restartPreview) {
startPreview();
}
}
@SuppressWarnings("WrongConstant")
private void setCameraDisplayOrientation(Camera.Parameters parameters) {
Camera.CameraInfo info = new Camera.CameraInfo();
Camera.getCameraInfo(getCurrentCameraId(), info);
final int deviceOrientation = Degrees.getDisplayRotation(getActivity());
mDisplayOrientation =
Degrees.getDisplayOrientation(
info.orientation,
deviceOrientation,
info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT);
Log.d(
"CameraFragment",
String.format(
"Orientations: Sensor = %d˚, Device = %d˚, Display = %d˚",
info.orientation, deviceOrientation, mDisplayOrientation));
int previewOrientation;
if (CameraUtil.isArcWelder()) {
previewOrientation = 0;
} else {
previewOrientation = mDisplayOrientation;
if (Degrees.isPortrait(deviceOrientation)
&& getCurrentCameraPosition() == CAMERA_POSITION_FRONT)
previewOrientation = Degrees.mirror(mDisplayOrientation);
}
parameters.setRotation(previewOrientation);
mCamera.setDisplayOrientation(previewOrientation);
}
public static void setCameraDisplayOrientation(
Activity activity, int cameraId, android.hardware.Camera camera) {
android.hardware.Camera.CameraInfo info = new android.hardware.Camera.CameraInfo();
android.hardware.Camera.getCameraInfo(cameraId, info);
int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();
int degrees = 0;
switch (rotation) {
case Surface.ROTATION_0:
degrees = 0;
break;
case Surface.ROTATION_90:
degrees = 90;
break;
case Surface.ROTATION_180:
degrees = 180;
break;
case Surface.ROTATION_270:
degrees = 270;
break;
}
int result;
if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
result = (info.orientation + degrees) % 360;
result = (360 - result) % 360; // compensate the mirror
} else { // back-facing
result = (info.orientation - degrees + 360) % 360;
}
camera.setDisplayOrientation(result);
}
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
/*
* If your preview can change or rotate, take care of those events here.
* Make sure to stop the preview before resizing or reformatting it.
*/
if (mHolder.getSurface() == null) {
// preview surface does not exist
return;
}
// stop preview before making changes
try {
mCamera.stopPreview();
} catch (Exception e) {
// ignore: tried to stop a non-existent preview
}
try {
// Hard code camera surface rotation 90 degs to match Activity view in portrait
mCamera.setDisplayOrientation(90);
mCamera.setPreviewDisplay(mHolder);
mCamera.setPreviewCallback(previewCallback);
mCamera.startPreview();
mCamera.autoFocus(autoFocusCallback);
} catch (Exception e) {
Log.d("DBG", "Error starting camera preview: " + e.getMessage());
}
}
/** sets the Orientation of the camera Preview o be the same as MoSyncApp */
private void setCameraDisplayOrientation() {
// Use reflection to correct the preview on 2.2 and higher versions
try {
mCameraDisplayOrientation =
mCamera.getClass().getMethod("setDisplayOrientation", Integer.TYPE);
// Set the orientation of the picture on old Android phones
Camera.Parameters parameters = mCamera.getParameters();
if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT) {
parameters.set("orientation", "portrait");
// default camera orientation on android is landscape
// So we need to rotate the preview
parameters.setRotation(90);
mCamera.setDisplayOrientation(90);
} else if (getResources().getConfiguration().orientation
== Configuration.ORIENTATION_LANDSCAPE) {
parameters.set("orientation", "landscape");
parameters.setRotation(0);
mCamera.setDisplayOrientation(0);
}
mCamera.setParameters(parameters);
} catch (NoSuchMethodException nsme) {
SYSLOG("ANDROID Version is less than 2.2!!");
// Set the orientation of the picture on old Android phones
Camera.Parameters parameters = mCamera.getParameters();
// an Ugly hack to make HTC wildfire work
if (Build.MANUFACTURER.equals("HTC")) {
parameters.set("orientation", "landscape");
parameters.setRotation(90);
}
// rest of the phones work fine with the standard settings
else if (getResources().getConfiguration().orientation
== Configuration.ORIENTATION_PORTRAIT) {
parameters.set("orientation", "portrait");
parameters.setRotation(90);
} else if (getResources().getConfiguration().orientation
== Configuration.ORIENTATION_LANDSCAPE) {
parameters.set("orientation", "landscape");
parameters.setRotation(0);
}
mCamera.setParameters(parameters);
} catch (RuntimeException e) {
SYSLOG("Failed to set camera Parameters");
}
}
public CustomeCamera(
Activity activity, FrameLayout cameraPreviewLayout, Integer size, Integer quality)
throws Exception {
this.activity = activity;
this.size = size;
this.quality = quality;
// Create an instance of Camera
try {
mCamera = getCameraInstance();
} catch (Exception e) {
throw new Exception(e.getMessage());
}
try {
mCamera.setDisplayOrientation(90);
} catch (Exception e) {
Log.d(TAG, e.getMessage());
}
Camera.CameraInfo info = new Camera.CameraInfo();
Camera.getCameraInfo(Camera.CameraInfo.CAMERA_FACING_BACK, info);
int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();
int degrees = 0;
switch (rotation) {
case Surface.ROTATION_0:
degrees = 0;
break; // Natural orientation
case Surface.ROTATION_90:
degrees = 90;
break; // Landscape left
case Surface.ROTATION_180:
degrees = 180;
break; // Upside down
case Surface.ROTATION_270:
degrees = 270;
break; // Landscape right
}
int rotate = (info.orientation - degrees + 360) % 360;
// STEP #2: Set the 'rotation' parameter
Camera.Parameters params = mCamera.getParameters();
params.setRotation(rotate);
List<String> focusModes = params.getSupportedFocusModes();
if (focusModes.contains(Camera.Parameters.FOCUS_MODE_AUTO)) {
params.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);
}
if (params.getFocusMode() == Camera.Parameters.FOCUS_MODE_AUTO) autoFocusEnabled = true;
else autoFocusEnabled = false;
// TODO for the test
autoFocusEnabled = false;
mCamera.setParameters(params);
// Create our Preview view and set it as the content of our activity.
mPreview = new CameraPreview(activity, mCamera);
cameraPreviewLayout.addView(mPreview);
}
protected synchronized void createCamera() throws RuntimeException {
if (mSurfaceView == null) throw new InvalidSurfaceException("Invalid surface !");
if (mSurfaceView.getHolder() == null || !mSurfaceReady)
throw new InvalidSurfaceException("Invalid surface !");
if (mCamera == null) {
openCamera();
mUpdated = false;
mUnlocked = false;
mCamera.setErrorCallback(
new Camera.ErrorCallback() {
@Override
public void onError(int error, Camera camera) {
// On some phones when trying to use the camera facing front the media server will die
// Whether or not this callback may be called really depends on the phone
if (error == Camera.CAMERA_ERROR_SERVER_DIED) {
// In this case the application must release the camera and instantiate a new one
Log.e(TAG, "Media server died !");
// We don't know in what thread we are so stop needs to be synchronized
mCameraOpenedManually = false;
stop();
} else {
Log.e(TAG, "Error unknown with the camera: " + error);
}
}
});
try {
// If the phone has a flash, we turn it on/off according to mFlashEnabled
// setRecordingHint(true) is a very nice optimization if you plane to only use the Camera
// for recording
Parameters parameters = mCamera.getParameters();
if (parameters.getFlashMode() != null) {
parameters.setFlashMode(
mFlashEnabled ? Parameters.FLASH_MODE_TORCH : Parameters.FLASH_MODE_OFF);
}
parameters.setRecordingHint(true);
mCamera.setParameters(parameters);
mCamera.setDisplayOrientation(mOrientation);
try {
if (mMode == MODE_MEDIACODEC_API_2) {
mSurfaceView.startGLThread();
mCamera.setPreviewTexture(mSurfaceView.getSurfaceTexture());
} else {
mCamera.setPreviewDisplay(mSurfaceView.getHolder());
}
} catch (IOException e) {
throw new InvalidSurfaceException("Invalid surface !");
}
} catch (RuntimeException e) {
destroyCamera();
throw e;
}
}
}
public void previewCamera() {
try {
mCamera.setPreviewDisplay(mHolder);
mCamera.setDisplayOrientation(90);
mCamera.startPreview();
} catch (Exception e) {
Log.d(DEBUG_TAG, "Cannot start preview", e);
}
}
void setDesiredCameraParameters(OpenCamera camera, boolean safeMode) {
Camera theCamera = camera.getCamera();
Camera.Parameters parameters = theCamera.getParameters();
// theCamera.setDisplayOrientation(90);//add 这句代码作用是旋转镜头90度，使相机预览方向正确显示
if (parameters == null) {
Log.w(
TAG,
"Device error: no camera parameters are available. Proceeding without configuration.");
return;
}
Log.i(TAG, "Initial camera parameters: " + parameters.flatten());
if (safeMode) {
Log.w(TAG, "In camera config safe mode -- most settings will not be honored");
}
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
initializeTorch(parameters, prefs, safeMode);
CameraConfigurationUtils.setFocus(parameters, true, true, safeMode);
if (!safeMode) {
CameraConfigurationUtils.setBarcodeSceneMode(parameters);
CameraConfigurationUtils.setVideoStabilization(parameters);
CameraConfigurationUtils.setFocusArea(parameters);
CameraConfigurationUtils.setMetering(parameters);
}
parameters.setPreviewSize(bestPreviewSize.x, bestPreviewSize.y);
theCamera.setParameters(parameters);
theCamera.setDisplayOrientation(cwRotationFromDisplayToCamera);
Camera.Parameters afterParameters = theCamera.getParameters();
Camera.Size afterSize = afterParameters.getPreviewSize();
if (afterSize != null
&& (bestPreviewSize.x != afterSize.width || bestPreviewSize.y != afterSize.height)) {
Log.w(
TAG,
"Camera said it supported preview size "
+ bestPreviewSize.x
+ 'x'
+ bestPreviewSize.y
+ ", but after setting it, preview size is "
+ afterSize.width
+ 'x'
+ afterSize.height);
bestPreviewSize.x = afterSize.width;
bestPreviewSize.y = afterSize.height;
}
}
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
private boolean prepareVideoRecorder() {
// BEGIN_INCLUDE (configure_preview)
mCamera = CameraHelper.getDefaultCameraInstance();
Camera.Parameters parameters = mCamera.getParameters();
parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
mCamera.setDisplayOrientation(90);
mCamera.setParameters(parameters);
// BEGIN_INCLUDE (configure_media_recorder)
mMediaRecorder = new MediaRecorder();
// Step 1: Unlock and set camera to MediaRecorder
mCamera.unlock();
// Camera.Parameters parameters = mCamera.getParameters();
mMediaRecorder.setCamera(mCamera);
CamcorderProfile profile = CamcorderProfile.get(CamcorderProfile.QUALITY_QVGA);
// Log.d(TAG, profile.videoBitRate+"<- videoBitRate r");
profile.videoBitRate = 1024000;
// Step 2: Set sources
mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
// Step 3: Set all values contained in profile except audio settings
mMediaRecorder.setOutputFormat(profile.fileFormat);
mMediaRecorder.setVideoEncoder(profile.videoCodec);
mMediaRecorder.setVideoEncodingBitRate(profile.videoBitRate);
mMediaRecorder.setVideoFrameRate(profile.videoFrameRate);
mMediaRecorder.setVideoSize(profile.videoFrameWidth, profile.videoFrameHeight);
mMediaRecorder.setOrientationHint(90);
mMediaRecorder.setVideoFrameRate(24);
// Step 4: Set output file
save_to = CameraHelper.getOutputMediaFile(CameraHelper.MEDIA_TYPE_VIDEO).toString();
mMediaRecorder.setOutputFile(save_to);
mMediaRecorder.setPreviewDisplay(mPreview.getHolder().getSurface());
// Step 5: Prepare configured MediaRecorder
try {
mMediaRecorder.prepare();
} catch (IllegalStateException e) {
Log.d(TAG, "IllegalStateException preparing MediaRecorder: " + e.getMessage());
releaseMediaRecorder();
return false;
} catch (IOException e) {
Log.d(TAG, "IOException preparing MediaRecorder: " + e.getMessage());
releaseMediaRecorder();
return false;
}
return true;
}
/**
* Sets the camera up to take preview images which are used for both preview and decoding. We
* detect the preview format here so that buildLuminanceSource() can build an appropriate
* LuminanceSource subclass. In the future we may want to force YUV420SP as it's the smallest, and
* the planar Y can be used for barcode scanning without a copy in some cases.
*/
void setDesiredCameraParameters(Camera camera) {
Camera.Parameters parameters = camera.getParameters();
Log.d(TAG, "Setting preview size: " + cameraResolution);
parameters.setPreviewSize(cameraResolution.x, cameraResolution.y);
setFlash(parameters);
setZoom(parameters);
// setSharpness(parameters);
camera.setDisplayOrientation(90);
camera.setParameters(parameters);
}
// 设置相机的预览
private void setStartProview(Camera camera, SurfaceHolder holder) {
try {
camera.setPreviewDisplay(holder);
// 旋转的 camera 的角度
camera.setDisplayOrientation(90);
camera.startPreview();
} catch (IOException e) {
e.printStackTrace();
}
}