[maemo-developers] raw image buffer and gstv4l2camsrc

[From: Nicolai Hess]

2011/3/16 Marco Ballesio <gibrovacco at gmail.com>

> Hi Nicolai,
>
> have you tried using the camerabin element? It provides much more
> facilities (e.g. AWB) than v4lcamsrc (and it ultimately uses the
> latter as a source). Btw, some comments below..
>

Hi Marco and thank you for your response.
Actually I use the gdigicam api which in turn uses the gstcamerabin.


>
> On 3/9/11, Nicolai Hess <nicolaihess at web.de> wrote:
> > Hi,
> > I hope someone can help me or points me to someone else how knows
> > something about the gstv4l2camsrc.
> >
> > I have got a question regarding raw-image buffers in gstv4l2camsrc.c
> > (in gstreamer0.10-plugins-camera-
> > 0.79 for Fremantle).
> >
> > I am interested in this method:
> > gst_v4l2camsrc_send_raw_frame (GstV4l2CamSrc *v4l2camsrc, GstBuffer
> *buf).
> > I know the method can copy the raw-image buffer end send this over the
> > GstBus.
> > This would be a good way to make raw-images with the N900 camera.
> >
>
> A simpler way is to just use the buffer pushed through the pipeline.
> It's possible, for instance, to write exactly one frame to a file by
> connecting the v4l2camsrc to a filesink. Maybe I can give you more
> hints if you explain what you're exactly trying to do.
>