public void record() throws Exception {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
throw new UnsupportedOperationException("Video recording supported only on API Level 11+");
}
if (displayOrientation != 0 && displayOrientation != 180) {
throw new UnsupportedOperationException("Video recording supported only in landscape");
}
Camera.Parameters pictureParams = camera.getParameters();
setCameraPictureOrientation(pictureParams);
camera.setParameters(pictureParams);
stopPreview();
camera.unlock();
try {
recorder = new MediaRecorder();
recorder.setCamera(camera);
getHost().configureRecorderAudio(cameraId, recorder);
recorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
getHost().configureRecorderProfile(cameraId, recorder);
getHost().configureRecorderOutput(cameraId, recorder);
recorder.setOrientationHint(outputOrientation);
previewStrategy.attach(recorder);
recorder.prepare();
recorder.start();
} catch (IOException e) {
recorder.release();
recorder = null;
throw e;
}
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
final int width = resolveSize(getSuggestedMinimumWidth(), widthMeasureSpec);
final int height = resolveSize(getSuggestedMinimumHeight(), heightMeasureSpec);
setMeasuredDimension(width, height);
if (width > 0 && height > 0) {
if (camera != null) {
Camera.Size newSize = null;
try {
if (getHost().getRecordingHint() != CameraHost.RecordingHint.STILL_ONLY) {
// Camera.Size deviceHint=
// host.getDeviceProfile()
// .getPreferredPreviewSizeForVideo(getDisplayOrientation(),
// width,
// height,
// camera.getParameters());
newSize =
getHost()
.getPreferredPreviewSizeForVideo(
getDisplayOrientation(), width, height, camera.getParameters(), null);
// if (newSize != null) {
// android.util.Log.wtf("CameraView",
// String.format("getPreferredPreviewSizeForVideo: %d x %d",
// newSize.width,
// newSize.height));
// }
}
if (newSize == null || newSize.width * newSize.height < 65536) {
newSize =
getHost()
.getPreviewSize(getDisplayOrientation(), width, height, camera.getParameters());
}
} catch (Exception e) {
android.util.Log.e(
getClass().getSimpleName(), "Could not work with camera parameters?", e);
// TODO get this out to library clients
}
if (newSize != null) {
if (previewSize == null) {
previewSize = newSize;
} else if (previewSize.width != newSize.width || previewSize.height != newSize.height) {
if (inPreview) {
stopPreview();
}
previewSize = newSize;
initPreview(width, height, false);
}
}
}
}
}
private void setCameraDisplayOrientation() {
CameraInfo info = new CameraInfo();
int rotation = getActivity().getWindowManager().getDefaultDisplay().getRotation();
int degrees = 0;
DisplayMetrics dm = new DisplayMetrics();
Camera.getCameraInfo(cameraId, info);
getActivity().getWindowManager().getDefaultDisplay().getMetrics(dm);
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;
}
if (info.facing == CameraInfo.CAMERA_FACING_FRONT) {
displayOrientation = (info.orientation + degrees) % 360;
displayOrientation = (360 - displayOrientation) % 360;
} else {
displayOrientation = (info.orientation - degrees + 360) % 360;
}
boolean wasInPreview = inPreview;
if (inPreview) {
stopPreview();
}
camera.setDisplayOrientation(displayOrientation);
if (wasInPreview) {
startPreview();
}
}
private void previewStopped() {
if (inPreview) {
stopPreview();
}
}