Example usage for android.graphics YuvImage compressToJpeg

Introduction

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

Prototype

public boolean compressToJpeg(Rect rectangle, int quality, OutputStream stream) 

Source Link

Document

Compress a rectangle region in the YuvImage to a jpeg.

Usage

From source file:Main.java

public static Bitmap yuv2bitmap(byte[] data, int width, int height) {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    YuvImage yuvImage = new YuvImage(data, ImageFormat.NV21, width, height, null);
    yuvImage.compressToJpeg(new android.graphics.Rect(0, 0, width, height), 100, out);
    byte[] imageBytes = out.toByteArray();
    Bitmap bitmap = BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.length);

    // rotate//from w ww. j  a va2s  .  c  o m
    Matrix matrix = new Matrix();
    matrix.postRotate(90);
    Bitmap dst = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
    return dst;
}

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From source file:Main.java

public static Bitmap createBitmapFromByteArray(byte[] data, Size previewSize) {
    YuvImage yuvimage = new YuvImage(data, ImageFormat.NV21, previewSize.width, previewSize.height, null);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    yuvimage.compressToJpeg(new Rect(0, 0, previewSize.width, previewSize.height), 80, baos);
    byte[] jdata = baos.toByteArray();
    BitmapFactory.Options opt = new BitmapFactory.Options();
    opt.inMutable = true;/*  w w w. jav  a 2s . c o m*/
    Bitmap bitmap = BitmapFactory.decodeByteArray(jdata, 0, jdata.length, opt);

    Matrix matrix = new Matrix();
    matrix.postRotate(-90);

    return Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
}

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From source file:Main.java

public static Bitmap yuv2Bitmap(byte[] data, int width, int height) {
    final YuvImage image = new YuvImage(data, ImageFormat.NV21, width, height, null);
    ByteArrayOutputStream os = new ByteArrayOutputStream(data.length);
    if (!image.compressToJpeg(new Rect(0, 0, width, height), 100, os)) {
        return null;
    }//from  w ww  .ja  v  a2  s  .  co  m
    byte[] tmp = os.toByteArray();
    Bitmap bitmap = BitmapFactory.decodeByteArray(tmp, 0, tmp.length);
    return bitmap;
}

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From source file:Main.java

static public Bitmap NV21ToRGBABitmap(byte[] nv21, int width, int height) {
    YuvImage yuvImage = new YuvImage(nv21, ImageFormat.NV21, width, height, null);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    yuvImage.compressToJpeg(new Rect(0, 0, width, height), 100, baos);
    byte[] cur = baos.toByteArray();
    return BitmapFactory.decodeByteArray(cur, 0, cur.length);
}

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From source file:Main.java

public static byte[] createFromNV21(@NonNull final byte[] data, final int width, final int height, int rotation,
        final Rect croppingRect) throws IOException {
    byte[] rotated = rotateNV21(data, width, height, rotation);
    final int rotatedWidth = rotation % 180 > 0 ? height : width;
    final int rotatedHeight = rotation % 180 > 0 ? width : height;
    YuvImage previewImage = new YuvImage(rotated, ImageFormat.NV21, rotatedWidth, rotatedHeight, null);

    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    previewImage.compressToJpeg(croppingRect, 80, outputStream);
    byte[] bytes = outputStream.toByteArray();
    outputStream.close();/*from www  .jav a  2  s  . c om*/
    return bytes;
}

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From source file:Main.java

public static byte[] createFromNV21(@NonNull final byte[] data, final int width, final int height, int rotation,
        final Rect croppingRect, final boolean flipHorizontal) throws IOException {
    byte[] rotated = rotateNV21(data, width, height, rotation, flipHorizontal);
    final int rotatedWidth = rotation % 180 > 0 ? height : width;
    final int rotatedHeight = rotation % 180 > 0 ? width : height;
    YuvImage previewImage = new YuvImage(rotated, ImageFormat.NV21, rotatedWidth, rotatedHeight, null);

    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    previewImage.compressToJpeg(croppingRect, 80, outputStream);
    byte[] bytes = outputStream.toByteArray();
    outputStream.close();/*w  w w  .j  av a2s  .co  m*/
    return bytes;
}

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From source file:Main.java

public static String savetoJPEG(byte[] data, int width, int height, String file) {
    Rect frame = new Rect(0, 0, width, height);
    YuvImage img = new YuvImage(data, ImageFormat.NV21, width, height, null);
    OutputStream os = null;//from  w  w w  .ja va 2 s  . co m
    File jpgfile = new File(file);
    try {
        os = new FileOutputStream(jpgfile);
        img.compressToJpeg(frame, 100, os);
        os.flush();
        os.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return jpgfile.getPath();
}

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From source file:Main.java

@SuppressLint("NewApi")
public static Bitmap NV21ToRGBABitmap(byte[] nv21, int width, int height, Context context) {

    TimingLogger timings = new TimingLogger(TIMING_LOG_TAG, "NV21ToRGBABitmap");

    Rect rect = new Rect(0, 0, width, height);

    try {// w  ww.  j  a  v  a  2 s  .  c om
        Class.forName("android.renderscript.Element$DataKind").getField("PIXEL_YUV");
        Class.forName("android.renderscript.ScriptIntrinsicYuvToRGB");
        byte[] imageData = nv21;
        if (mRS == null) {
            mRS = RenderScript.create(context);
            mYuvToRgb = ScriptIntrinsicYuvToRGB.create(mRS, Element.U8_4(mRS));
            Type.Builder tb = new Type.Builder(mRS,
                    Element.createPixel(mRS, Element.DataType.UNSIGNED_8, Element.DataKind.PIXEL_YUV));
            tb.setX(width);
            tb.setY(height);
            tb.setMipmaps(false);
            tb.setYuvFormat(ImageFormat.NV21);
            ain = Allocation.createTyped(mRS, tb.create(), Allocation.USAGE_SCRIPT);
            timings.addSplit("Prepare for ain");
            Type.Builder tb2 = new Type.Builder(mRS, Element.RGBA_8888(mRS));
            tb2.setX(width);
            tb2.setY(height);
            tb2.setMipmaps(false);
            aOut = Allocation.createTyped(mRS, tb2.create(), Allocation.USAGE_SCRIPT & Allocation.USAGE_SHARED);
            timings.addSplit("Prepare for aOut");
            bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
            timings.addSplit("Create Bitmap");
        }
        ain.copyFrom(imageData);
        timings.addSplit("ain copyFrom");
        mYuvToRgb.setInput(ain);
        timings.addSplit("setInput ain");
        mYuvToRgb.forEach(aOut);
        timings.addSplit("NV21 to ARGB forEach");
        aOut.copyTo(bitmap);
        timings.addSplit("Allocation to Bitmap");
    } catch (Exception e) {
        YuvImage yuvImage = new YuvImage(nv21, ImageFormat.NV21, width, height, null);
        timings.addSplit("NV21 bytes to YuvImage");

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        yuvImage.compressToJpeg(rect, 90, baos);
        byte[] cur = baos.toByteArray();
        timings.addSplit("YuvImage crop and compress to Jpeg Bytes");

        bitmap = BitmapFactory.decodeByteArray(cur, 0, cur.length);
        timings.addSplit("Jpeg Bytes to Bitmap");
    }

    timings.dumpToLog();
    return bitmap;
}

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From source file:Main.java

@SuppressLint("NewApi")
public static Bitmap NV21ToRGBABitmap(byte[] nv21, int width, int height, Context context) {

    TimingLogger timings = new TimingLogger(TIMING_LOG_TAG, "NV21ToRGBABitmap");

    Rect rect = new Rect(0, 0, width, height);

    try {// w w  w .ja v a2 s . c o  m
        Class.forName("android.renderscript.Element$DataKind").getField("PIXEL_YUV");
        Class.forName("android.renderscript.ScriptIntrinsicYuvToRGB");
        byte[] imageData = nv21;
        if (mRS == null) {
            mRS = RenderScript.create(context);
            mYuvToRgb = ScriptIntrinsicYuvToRGB.create(mRS, Element.U8_4(mRS));
            Type.Builder tb = new Type.Builder(mRS,
                    Element.createPixel(mRS, Element.DataType.UNSIGNED_8, Element.DataKind.PIXEL_YUV));
            tb.setX(width);
            tb.setY(height);
            tb.setMipmaps(false);
            tb.setYuvFormat(ImageFormat.NV21);
            ain = Allocation.createTyped(mRS, tb.create(), Allocation.USAGE_SCRIPT);
            timings.addSplit("Prepare for ain");
            Type.Builder tb2 = new Type.Builder(mRS, Element.RGBA_8888(mRS));
            tb2.setX(width);
            tb2.setY(height);
            tb2.setMipmaps(false);
            aOut = Allocation.createTyped(mRS, tb2.create(), Allocation.USAGE_SCRIPT & Allocation.USAGE_SHARED);
            timings.addSplit("Prepare for aOut");
            bitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888);
            timings.addSplit("Create Bitmap");
        }
        ain.copyFrom(imageData);
        timings.addSplit("ain copyFrom");
        mYuvToRgb.setInput(ain);
        timings.addSplit("setInput ain");
        mYuvToRgb.forEach(aOut);
        timings.addSplit("NV21 to ARGB forEach");
        aOut.copyTo(bitmap);
        timings.addSplit("Allocation to Bitmap");
    } catch (Exception e) {
        YuvImage yuvImage = new YuvImage(nv21, ImageFormat.NV21, width, height, null);
        timings.addSplit("NV21 bytes to YuvImage");

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        yuvImage.compressToJpeg(rect, 90, baos);
        byte[] cur = baos.toByteArray();
        timings.addSplit("YuvImage crop and compress to Jpeg Bytes");

        bitmap = BitmapFactory.decodeByteArray(cur, 0, cur.length);
        timings.addSplit("Jpeg Bytes to Bitmap");
    }

    timings.dumpToLog();
    return bitmap;
}

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From source file:com.cellbots.remoteEyes.RemoteEyesActivity.java

private void uploadImage(byte[] imageData) {
    try {/* www.j  a va 2s  .c  o  m*/
        YuvImage yuvImage = new YuvImage(imageData, previewFormat, previewWidth, previewHeight, null);
        yuvImage.compressToJpeg(r, 20, out); // Tweak the quality here - 20
        // seems pretty decent for
        // quality + size.
        PutMethod put = new PutMethod(putUrl);
        put.setRequestBody(new ByteArrayInputStream(out.toByteArray()));
        put.execute(mHttpState, mConnection);
    } catch (UnsupportedEncodingException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IllegalStateException e) {
        e.printStackTrace();
        resetConnection();
    } catch (ClientProtocolException e) {
        e.printStackTrace();
        resetConnection();
    } catch (IOException e) {
        e.printStackTrace();
        resetConnection();
    } finally {
        out.reset();
        if (mCamera != null) {
            mCamera.addCallbackBuffer(mCallbackBuffer);
        }
        isUploading = false;
    }

}

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