public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
mHolder.setFixedSize(w, h);
// Start the preview
Parameters params = mCamera.getParameters();
previewHeight = params.getPreviewSize().height;
previewWidth = params.getPreviewSize().width;
previewFormat = params.getPreviewFormat();
// Crop the edges of the picture to reduce the image size
r =
new Rect(
previewShrink,
previewShrink,
previewWidth - previewShrink,
previewHeight - previewShrink);
mCallbackBuffer = new byte[497664];
mCamera.setParameters(params);
mCamera.setPreviewCallbackWithBuffer(
new PreviewCallback() {
public void onPreviewFrame(byte[] imageData, Camera arg1) {
convWorker.nextFrame(imageData);
}
});
mCamera.addCallbackBuffer(mCallbackBuffer);
mCamera.startPreview();
setTorchMode(mTorchMode);
}
/** 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();
}
}
public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
mHolder.setFixedSize(w, h);
// Start the preview
Parameters params = mCamera.getParameters();
previewHeight = params.getPreviewSize().height;
previewWidth = params.getPreviewSize().width;
previewFormat = params.getPreviewFormat();
// Crop the edges of the picture to reduce the image size
r = new Rect(80, 20, previewWidth - 80, previewHeight - 20);
mCallbackBuffer = new byte[460800];
mCamera.setParameters(params);
mCamera.setPreviewCallbackWithBuffer(
new PreviewCallback() {
public void onPreviewFrame(byte[] imageData, Camera arg1) {
final byte[] data = imageData;
if (!isUploading) {
if (needToTakePicture) {
takePicture(imageData);
} else {
isUploading = true;
new Thread(
new Runnable() {
@Override
public void run() {
uploadImage(data);
}
})
.start();
// appEngineUploadImage(imageData);
}
}
}
});
mCamera.addCallbackBuffer(mCallbackBuffer);
mCamera.startPreview();
setTorchMode(mTorchMode);
}