Example usage for android.graphics YuvImage YuvImage

Introduction

In this page you can find the example usage for android.graphics YuvImage YuvImage.

Prototype

public YuvImage(byte[] yuv, int format, int width, int height, int[] strides)

Source Link

Document

Construct an YuvImage.

Usage

From source file:org.deviceconnect.android.deviceplugin.host.camera.CameraOverlay.java

@Override
public void onPreviewFrame(final byte[] data, final Camera camera) {
    synchronized (mCameraLock) {
        final long currentTime = System.currentTimeMillis();
        if (mLastFrameTime != 0) {
            if ((currentTime - mLastFrameTime) < mFrameInterval) {
                mLastFrameTime = currentTime;
                return;
            }/*from  ww  w .  j ava2  s  . c  om*/
        }

        if (mCamera != null && mCamera.equals(camera)) {
            mCamera.setPreviewCallback(null);

            if (mServer != null) {
                int format = mPreview.getPreviewFormat();
                int width = mPreview.getPreviewWidth();
                int height = mPreview.getPreviewHeight();

                YuvImage yuvimage = new YuvImage(data, format, width, height, null);
                Rect rect = new Rect(0, 0, width, height);
                ByteArrayOutputStream baos = new ByteArrayOutputStream();
                if (yuvimage.compressToJpeg(rect, JPEG_COMPRESS_QUALITY, baos)) {
                    byte[] jdata = baos.toByteArray();

                    int degree = mPreview.getCameraDisplayOrientation(mContext);
                    if (degree == 0) {
                        mServer.offerMedia(jdata);
                    } else {
                        BitmapFactory.Options bitmapFactoryOptions = new BitmapFactory.Options();
                        bitmapFactoryOptions.inPreferredConfig = Bitmap.Config.RGB_565;
                        Bitmap bmp = BitmapFactory.decodeByteArray(jdata, 0, jdata.length,
                                bitmapFactoryOptions);
                        if (bmp != null) {
                            Matrix m = new Matrix();
                            m.setRotate(degree * mFacingDirection);

                            Bitmap rotatedBmp = Bitmap.createBitmap(bmp, 0, 0, bmp.getWidth(), bmp.getHeight(),
                                    m, true);
                            if (rotatedBmp != null) {
                                baos.reset();
                                if (rotatedBmp.compress(CompressFormat.JPEG, JPEG_COMPRESS_QUALITY, baos)) {
                                    mServer.offerMedia(baos.toByteArray());
                                }
                                rotatedBmp.recycle();
                            }
                            bmp.recycle();
                        }
                    }
                }
            }

            mCamera.setPreviewCallback(this);
        }

        mLastFrameTime = currentTime;
    }
}