/** {@inheritDoc} */
@Override
public void close(final CameraSession session) {
Descriptor descriptor = (Descriptor) session.getDescriptor();
Camera camera = descriptor.getCamera();
if (camera != null) {
camera.stopPreview();
camera.release();
descriptor.setCamera(null);
}
session.destroy();
getBus().post(new ClosedEvent());
}
/** {@inheritDoc} */
public void takePicture(CameraSession session, PictureTransaction xact) {
final Session s = (Session) session;
s.reader.setOnImageAvailableListener(
new TakePictureTransaction(session.getContext(), getBus(), xact), handler);
getThreadPool()
.execute(
new Runnable() {
@Override
public void run() {
try {
// This is how to tell the camera to lock focus.
s.previewRequestBuilder.set(
CaptureRequest.CONTROL_AF_TRIGGER, CameraMetadata.CONTROL_AF_TRIGGER_START);
s.captureSession.setRepeatingRequest(
s.previewRequestBuilder.build(), new RequestCaptureTransaction(s), handler);
} catch (Exception e) {
getBus().post(new PictureTakenEvent(e));
if (isDebug()) {
Log.e(getClass().getSimpleName(), "Exception taking picture", e);
}
}
}
});
}
/** {@inheritDoc} */
@Override
public void close(final CameraSession session) {
final Session s = (Session) session;
try {
lock.acquire();
if (s.captureSession != null) {
closeLatch = new CountDownLatch(1);
s.captureSession.close();
closeLatch.await(2, TimeUnit.SECONDS);
s.captureSession = null;
}
if (s.cameraDevice != null) {
s.cameraDevice.close();
s.cameraDevice = null;
}
if (s.reader != null) {
s.reader.close();
}
Descriptor camera = (Descriptor) session.getDescriptor();
camera.setDevice(null);
getBus().post(new ClosedEvent());
} catch (Exception e) {
getBus().post(new ClosedEvent(e));
} finally {
lock.release();
}
}
@Override
public void stopVideoRecording(CameraSession session) throws Exception {
Descriptor descriptor = (Descriptor) session.getDescriptor();
Camera camera = descriptor.getCamera();
if (camera != null) {
MediaRecorder tempRecorder = recorder;
recorder = null;
tempRecorder.stop();
tempRecorder.release();
camera.reconnect();
camera.startPreview();
}
getBus().post(new VideoTakenEvent(xact));
xact = null;
}
@Override
public void recordVideo(CameraSession session, VideoTransaction xact) throws Exception {
Descriptor descriptor = (Descriptor) session.getDescriptor();
Camera camera = descriptor.getCamera();
if (camera != null) {
camera.stopPreview();
camera.unlock();
try {
recorder = new MediaRecorder();
recorder.setCamera(camera);
recorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER);
recorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
int cameraId = descriptor.getCameraId();
boolean canGoHigh = CamcorderProfile.hasProfile(cameraId, CamcorderProfile.QUALITY_HIGH);
boolean canGoLow = CamcorderProfile.hasProfile(cameraId, CamcorderProfile.QUALITY_LOW);
if (canGoHigh && (xact.getQuality() == 1 || !canGoLow)) {
recorder.setProfile(CamcorderProfile.get(cameraId, CamcorderProfile.QUALITY_HIGH));
} else if (canGoLow) {
recorder.setProfile(CamcorderProfile.get(cameraId, CamcorderProfile.QUALITY_LOW));
} else {
throw new IllegalStateException("cannot find valid CamcorderProfile");
}
recorder.setOutputFile(xact.getOutputPath().getAbsolutePath());
recorder.setMaxFileSize(xact.getSizeLimit());
recorder.setMaxDuration(xact.getDurationLimit());
recorder.setOnInfoListener(this);
// recorder.setOrientationHint(...);
recorder.prepare();
recorder.start();
this.xact = xact;
} catch (IOException e) {
recorder.release();
recorder = null;
throw e;
}
}
}
