Mattia Iavarone
6 years ago
parent
481062a08b
commit
419ff34736
@ -0,0 +1,32 @@ |
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package com.otaliastudios.cameraview; |
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import android.support.test.filters.SmallTest; |
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import android.support.test.runner.AndroidJUnit4; |
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import org.junit.Test; |
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import org.junit.runner.RunWith; |
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import org.mockito.Mockito; |
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import static org.junit.Assert.assertNull; |
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@RunWith(AndroidJUnit4.class) |
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@SmallTest |
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public class PictureRecorderTest extends BaseTest { |
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@Test |
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public void testRecorder() { |
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PictureResult result = new PictureResult(); |
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PictureRecorder.PictureResultListener listener = Mockito.mock(PictureRecorder.PictureResultListener.class); |
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PictureRecorder recorder = new PictureRecorder(result, listener) { |
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void take() { |
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dispatchResult(); |
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} |
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}; |
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recorder.take(); |
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Mockito.verify(listener, Mockito.times(1)).onPictureResult(result); |
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assertNull(recorder.mListener); |
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assertNull(recorder.mResult); |
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} |
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} |
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package com.otaliastudios.cameraview; |
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import android.hardware.Camera; |
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import android.media.CamcorderProfile; |
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import android.media.MediaRecorder; |
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import android.support.media.ExifInterface; |
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import java.io.ByteArrayInputStream; |
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import java.io.IOException; |
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/** |
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* A {@link PictureResult} that uses standard APIs. |
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*/ |
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class FullPictureRecorder extends PictureRecorder { |
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private static final String TAG = FullPictureRecorder.class.getSimpleName(); |
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private static final CameraLogger LOG = CameraLogger.create(TAG); |
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private Camera mCamera; |
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FullPictureRecorder(PictureResult stub, PictureResultListener listener, Camera camera) { |
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super(stub, listener); |
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mCamera = camera; |
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// We set the rotation to the camera parameters, but we don't know if the result will be
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// already rotated with 0 exif, or original with non zero exif. we will have to read EXIF.
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Camera.Parameters params = mCamera.getParameters(); |
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params.setRotation(mResult.rotation); |
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mCamera.setParameters(params); |
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} |
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// Camera2 constructor here...
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@Override |
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void take() { |
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mCamera.takePicture( |
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new Camera.ShutterCallback() { |
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@Override |
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public void onShutter() { |
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dispatchOnShutter(true); |
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} |
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}, |
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null, |
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null, |
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new Camera.PictureCallback() { |
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@Override |
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public void onPictureTaken(byte[] data, final Camera camera) { |
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int exifRotation; |
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try { |
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ExifInterface exif = new ExifInterface(new ByteArrayInputStream(data)); |
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int exifOrientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL); |
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exifRotation = CameraUtils.decodeExifOrientation(exifOrientation); |
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} catch (IOException e) { |
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exifRotation = 0; |
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} |
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mResult.jpeg = data; |
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mResult.rotation = exifRotation; |
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camera.startPreview(); // This is needed, read somewhere in the docs.
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dispatchResult(); |
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} |
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} |
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); |
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} |
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@Override |
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protected void dispatchResult() { |
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mCamera = null; |
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super.dispatchResult(); |
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} |
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} |
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@ -0,0 +1,38 @@ |
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package com.otaliastudios.cameraview; |
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import android.support.annotation.Nullable; |
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/** |
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* Interface for picture capturing. |
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* Don't call start if already started. Don't call stop if already stopped. |
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* Don't reuse. |
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*/ |
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abstract class PictureRecorder { |
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/* tests */ PictureResult mResult; |
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/* tests */ PictureResultListener mListener; |
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PictureRecorder(PictureResult stub, PictureResultListener listener) { |
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mResult = stub; |
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mListener = listener; |
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} |
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abstract void take(); |
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protected void dispatchOnShutter(boolean didPlaySound) { |
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if (mListener != null) mListener.onPictureShutter(didPlaySound); |
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} |
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protected void dispatchResult() { |
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if (mListener != null) { |
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mListener.onPictureResult(mResult); |
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mListener = null; |
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mResult = null; |
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} |
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} |
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interface PictureResultListener { |
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void onPictureShutter(boolean didPlaySound); |
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void onPictureResult(@Nullable PictureResult result); |
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} |
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} |
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@ -0,0 +1,82 @@ |
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package com.otaliastudios.cameraview; |
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import android.graphics.ImageFormat; |
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import android.graphics.Rect; |
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import android.graphics.YuvImage; |
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import android.hardware.Camera; |
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import java.io.ByteArrayOutputStream; |
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/** |
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* A {@link PictureResult} that uses standard APIs. |
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*/ |
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class SnapshotPictureRecorder extends PictureRecorder { |
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private static final String TAG = SnapshotPictureRecorder.class.getSimpleName(); |
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private static final CameraLogger LOG = CameraLogger.create(TAG); |
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private Camera1 mController; |
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private Camera mCamera; |
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private AspectRatio mOutputRatio; |
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private Size mSensorPreviewSize; |
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private int mFormat; |
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SnapshotPictureRecorder(PictureResult stub, Camera1 controller, Camera camera, AspectRatio viewRatio) { |
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super(stub, controller); |
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mController = controller; |
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mCamera = camera; |
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mOutputRatio = viewRatio; |
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mFormat = mController.mPreviewFormat; |
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mSensorPreviewSize = mController.mPreviewSize; |
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} |
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@Override |
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void take() { |
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mCamera.setOneShotPreviewCallback(new Camera.PreviewCallback() { |
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@Override |
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public void onPreviewFrame(final byte[] yuv, Camera camera) { |
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dispatchOnShutter(false); |
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// Got to rotate the preview frame, since byte[] data here does not include
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// EXIF tags automatically set by camera. So either we add EXIF, or we rotate.
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// Adding EXIF to a byte array, unfortunately, is hard.
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final int sensorToOutput = mResult.rotation; |
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final Size outputSize = mResult.size; |
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WorkerHandler.run(new Runnable() { |
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@Override |
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public void run() { |
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// Rotate the picture, because no one will write EXIF data,
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// then crop if needed. In both cases, transform yuv to jpeg.
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byte[] data = RotationHelper.rotate(yuv, mSensorPreviewSize, sensorToOutput); |
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YuvImage yuv = new YuvImage(data, mFormat, outputSize.getWidth(), outputSize.getHeight(), null); |
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ByteArrayOutputStream stream = new ByteArrayOutputStream(); |
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Rect outputRect = CropHelper.computeCrop(outputSize, mOutputRatio); |
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yuv.compressToJpeg(outputRect, 90, stream); |
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data = stream.toByteArray(); |
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mResult.jpeg = data; |
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mResult.size = new Size(outputRect.width(), outputRect.height()); |
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mResult.rotation = 0; |
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dispatchResult(); |
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} |
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}); |
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// It seems that the buffers are already cleared here, so we need to allocate again.
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camera.setPreviewCallbackWithBuffer(null); // Release anything left
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camera.setPreviewCallbackWithBuffer(mController); // Add ourselves
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mController.mFrameManager.allocate(ImageFormat.getBitsPerPixel(mFormat), mController.mPreviewSize); |
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} |
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}); |
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} |
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@Override |
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protected void dispatchResult() { |
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mController = null; |
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mCamera = null; |
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mOutputRatio = null; |
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mFormat = 0; |
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mSensorPreviewSize = null; |
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super.dispatchResult(); |
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} |
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} |
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