TcpClient.java 文件源码

private byte[] preprocess(byte[] preview, int width, int height) {
    byte[] jpeg = null;
    YuvImage image = new YuvImage(preview, ImageFormat.NV21, width, height, null);
    Rect r = new Rect(0, 0, width, height);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    boolean ok = image.compressToJpeg(r, 100, baos);
    if (ok) {
        jpeg = baos.toByteArray();
    }
    return jpeg;
}