What does the LogCat say?
On Sun, Jan 8, 2012 at 2:08 PM, muhammad.ume...@hotmail.com <
muhammad.ume...@hotmail.com> wrote:
> hi,
> Please anyone tell me that when onPreviewFrame call it send first
> frame of the preview to socket but when it callback it get exception
> and does send any frame to socket, I want to send images from
> onPreviewFrame continuously. Please tell me what's the reason, and
> sorry for my English. Here is my code.
>
> public void surfaceCreated(SurfaceHolder holder) {
> // The Surface has been created, acquire the camera and tell it
> where
> // to draw.
> //////////////////connection to server
> try {
> socket = new Socket("192.168.1.220", 8888);
> obj = new ObjectOutputStream(socket.getOutputStream());
> } catch (UnknownHostException e1) {
> // TODO Auto-generated catch block
> e1.printStackTrace();
> } catch (IOException e1) {
> // TODO Auto-generated catch block
> e1.printStackTrace();
> }
>
>
> camera = Camera.open();
> try {
>
>
> camera.setPreviewDisplay(holder);
>
> camera.setPreviewCallback(new PreviewCallback() {
> // Called for each frame previewed
> // @SuppressWarnings("null")
> public void onPreviewFrame(byte[] data, Camera camera) {
>
>
> Camera.Parameters parameters = camera.getParameters();
> int format = parameters.getPreviewFormat();
>
> //YUV formats require more conversion
> if (format == ImageFormat.NV21 /*|| format ==
> ImageFormat.YUY2 || format == ImageFormat.NV16*/)
> {
> int w = parameters.getPreviewSize().width;
> int h = parameters.getPreviewSize().height;
> // Get the YuV image
> YuvImage yuv_image = new YuvImage(data, format, w, h,
> null);
> // Convert YuV to Jpeg
> Rect rect = new Rect(0, 0, w, h);
> ByteArrayOutputStream output_stream = new
> ByteArrayOutputStream();
> yuv_image.compressToJpeg(rect, 100, output_stream);
> byte[] byt=output_stream.toByteArray();
> try
> {
> obj.writeObject(byt);
> obj.flush();
>
> }
> catch (FileNotFoundException e) {
> e.printStackTrace();
> } catch (IOException e) {
> e.printStackTrace();
> } finally {
> }
>
> Preview.this.invalidate();
> }
> }
> });
>
> } catch (IOException e) {
> e.printStackTrace();
> }
> }
>
> Thanks and regards
> umer
>
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--
Raghav Sood
http://www.androidactivist.org/ - Author
http://www.appaholics.in/ - Founder
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