@CalledByNative
public static CaptureFormat[] getDeviceSupportedFormats(int id) {
Camera camera;
try {
camera = Camera.open(id);
} catch (RuntimeException ex) {
Log.e(TAG, "Camera.open: " + ex);
return null;
}
Camera.Parameters parameters = camera.getParameters();
ArrayList<CaptureFormat> formatList = new ArrayList<CaptureFormat>();
// getSupportedPreview{Formats,FpsRange,PreviewSizes}() returns Lists
// with at least one element, but when the camera is in bad state, they
// can return null pointers; in that case we use a 0 entry, so we can
// retrieve as much information as possible.
List<Integer> pixelFormats = parameters.getSupportedPreviewFormats();
if (pixelFormats == null) {
pixelFormats = new ArrayList<Integer>();
}
if (pixelFormats.size() == 0) {
pixelFormats.add(ImageFormat.UNKNOWN);
}
for (Integer previewFormat : pixelFormats) {
int pixelFormat = AndroidImageFormatList.ANDROID_IMAGEFORMAT_UNKNOWN;
if (previewFormat == ImageFormat.YV12) {
pixelFormat = AndroidImageFormatList.ANDROID_IMAGEFORMAT_YV12;
} else if (previewFormat == ImageFormat.NV21) {
continue;
}
List<int[]> listFpsRange = parameters.getSupportedPreviewFpsRange();
if (listFpsRange == null) {
listFpsRange = new ArrayList<int[]>();
}
if (listFpsRange.size() == 0) {
listFpsRange.add(new int[] {0, 0});
}
for (int[] fpsRange : listFpsRange) {
List<Camera.Size> supportedSizes = parameters.getSupportedPreviewSizes();
if (supportedSizes == null) {
supportedSizes = new ArrayList<Camera.Size>();
}
if (supportedSizes.size() == 0) {
supportedSizes.add(camera.new Size(0, 0));
}
for (Camera.Size size : supportedSizes) {
formatList.add(
new CaptureFormat(size.width, size.height, (fpsRange[0] + 999) / 1000, pixelFormat));
}
}
}
camera.release();
return formatList.toArray(new CaptureFormat[formatList.size()]);
}
@Override
public void surfaceCreated(SurfaceHolder arg0) {
camera = Camera.open();
Camera.Parameters params = camera.getParameters();
camera.setDisplayOrientation(90);
params.setRotation(90);
params.set("orientation", "landscape");
params.set("rotation", 90);
params.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);
Camera.Size previewSize = params.getPreviewSize();
List<Camera.Size> previewSizes = params.getSupportedPreviewSizes();
int i = 0;
for (Camera.Size cs : previewSizes) {
Log.d(MarvinActivity.TAG, "Camera - supports:(" + (i++) + ") " + cs.width + "x" + cs.height);
}
previewSize.width = 720;
previewSize.height = 480;
params.setSceneMode("portrait");
Log.d(MarvinActivity.TAG, "w: " + previewSize.width + " h: " + previewSize.height);
List<Integer> formats = params.getSupportedPreviewFormats();
for (Integer format : formats) {
Log.d(MarvinActivity.TAG, "Camera - supports preview format: " + format);
}
params.setPreviewSize(previewSize.width, previewSize.height);
camera.setParameters(params);
detectThread = new FaceDetectThread(context, user, params);
detectThread.start();
camera.setPreviewCallback(detectThread);
try {
camera.setPreviewDisplay(cameraView.getHolder());
camera.startPreview();
Log.d(MarvinActivity.TAG, "preview started");
} catch (Exception e) {
Log.e(MarvinActivity.TAG, e.getMessage(), e);
}
user.onEyeStarted();
}
