Mattia Iavarone
5 years ago
parent
e2d5aa1941
commit
1dabf4db01
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package com.otaliastudios.cameraview.picture; |
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import android.annotation.TargetApi; |
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import android.graphics.Bitmap; |
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import android.graphics.ImageFormat; |
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import android.graphics.Rect; |
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import android.graphics.SurfaceTexture; |
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import android.graphics.YuvImage; |
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import android.hardware.Camera; |
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import android.opengl.EGL14; |
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import android.opengl.EGLContext; |
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import android.opengl.Matrix; |
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import android.os.Build; |
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import com.otaliastudios.cameraview.CameraLogger; |
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import com.otaliastudios.cameraview.PictureResult; |
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import com.otaliastudios.cameraview.controls.Facing; |
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import com.otaliastudios.cameraview.engine.Camera1Engine; |
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import com.otaliastudios.cameraview.engine.CameraEngine; |
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import com.otaliastudios.cameraview.internal.egl.EglCore; |
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import com.otaliastudios.cameraview.internal.egl.EglViewport; |
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import com.otaliastudios.cameraview.internal.egl.EglWindowSurface; |
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import com.otaliastudios.cameraview.internal.utils.CropHelper; |
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import com.otaliastudios.cameraview.internal.utils.RotationHelper; |
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import com.otaliastudios.cameraview.internal.utils.WorkerHandler; |
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import com.otaliastudios.cameraview.preview.CameraPreview; |
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import com.otaliastudios.cameraview.preview.GlCameraPreview; |
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import com.otaliastudios.cameraview.preview.RendererFrameCallback; |
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import com.otaliastudios.cameraview.preview.RendererThread; |
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import com.otaliastudios.cameraview.size.AspectRatio; |
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import com.otaliastudios.cameraview.size.Size; |
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import androidx.annotation.NonNull; |
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import java.io.ByteArrayOutputStream; |
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/** |
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* A {@link PictureRecorder} that uses standard APIs. |
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*/ |
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public class Snapshot1PictureRecorder extends PictureRecorder { |
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private static final String TAG = Snapshot1PictureRecorder.class.getSimpleName(); |
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private static final CameraLogger LOG = CameraLogger.create(TAG); |
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private Camera1Engine mEngine1; |
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private Camera mCamera; |
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private AspectRatio mOutputRatio; |
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private int mFormat; |
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/** |
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* Camera1 constructor. |
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*/ |
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public Snapshot1PictureRecorder( |
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@NonNull PictureResult.Stub stub, |
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@NonNull Camera1Engine engine, |
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@NonNull Camera camera, |
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@NonNull AspectRatio outputRatio) { |
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super(stub, engine); |
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mEngine1 = engine; |
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mCamera = camera; |
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mOutputRatio = outputRatio; |
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mFormat = engine.getPreviewStreamFormat(); |
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} |
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@Override |
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public void take() { |
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mCamera.setOneShotPreviewCallback(new Camera.PreviewCallback() { |
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@Override |
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public void onPreviewFrame(@NonNull 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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final Size previewStreamSize = mEngine1.getPreviewStreamSize(CameraEngine.REF_SENSOR); |
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if (previewStreamSize == null) { |
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throw new IllegalStateException("Preview stream size should never be null here."); |
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} |
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WorkerHandler.execute(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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//noinspection deprecation
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byte[] data = RotationHelper.rotate(yuv, previewStreamSize, 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.data = data; |
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mResult.size = new Size(outputRect.width(), outputRect.height()); |
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mResult.rotation = 0; |
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mResult.format = PictureResult.FORMAT_JPEG; |
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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(mEngine1); // Add ourselves
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mEngine1.getFrameManager().setUp(ImageFormat.getBitsPerPixel(mFormat), previewStreamSize); |
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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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mEngine1 = null; |
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mCamera = null; |
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mOutputRatio = null; |
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mFormat = 0; |
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super.dispatchResult(); |
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} |
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} |
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