<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">i just did <br>:<br># v4l2-ctl -l                                                                   <br>tfp401_open: usage 1                                                           
 <br>vidioc_g_ctrl                                                                   <br>error 22 getting ctrl Brightnessvidioc_g_ctrl                                  
 <br>                                                                                <br>vidioc_g_ctrl                                                                   <br>error 22 getting ctrl
 Contrast                                                  <br>vidioc_g_ctrl                                                                   <br>vidioc_g_ctrling ctrl
 Saturation                                                <br>                                                                                <br>error 22 getting ctrl
 Hue                                                       <br>error 22 getting ctrl Volume                                                    <br># <br>could those be the problem to give out this error:<br># gst-launch v4l2src device=/dev/video0 ! videoscale! video/x-raw-yuv,width=800,<br>height=600 ! ffmpegcolorspace ! jpegenc ! tcpserversink host=192.168.0.103
 port=<br>5000                                                                            <br>Setting pipeline to PAUSED ...tfp401_open: usage 1                             
 <br>                                                                                <br>vidioc_reqbufs                                                                  <br>   case
 VIDIOC_REQBUFS                                                          <br>allocate_frames: 800x600: 2 frames of 720000 bytes each                         <br>0: 88000000: virt de400000: size 0xafc80, page 0xb0000                          <br>1: 880b0000: virt de4b0000: size 0xafc80, page
 0xb0000                          <br>vidioc_streamon:d7215b40                                                        <br>enabling camera                                                                 <br>init_csi: 800x600
 +336+42                                                       <br>init channel fffffc0 for csi 0                                                  <br>mxc_ipu mxc_ipu: IPU Error - IPU_INT_STAT_5 = 0x00000001                        <br>mxc_ipu mxc_ipu: IPU Error - IPU_INT_STAT_10 =
 0x00000001                       <br>init channel buffer fffffc0                                                     <br>enable_camera: forcing NV12 output                                              <br>enabling channel
 fffffc0                                                        <br>feed_frames: queue buffer 0                                                     <br>feed_frames: queue buffer
 1                                                     <br>vidioc_streamon: enabled csi                                                    <br>Pipeline is live and does not need PREROLL ...                                  <br>WARNING: from element
 /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Could not get'<br>Additional debug info:                                                          <br>v4l2src_calls.c(235): gst_v4l2src_set_capture (): /GstPipeline:pipeline0/GstV4l:<br>system error: Invalid argument                                                  <br>Setting pipeline to PLAYING
 ...                                                 <br>New clock: GstSystemClock                                                       <br><br><br><br><br>--- On <b>Tue, 2/12/13, Andre Bella <i><scancool@yahoo.com></i></b> wrote:<br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"><br>From: Andre Bella <scancool@yahoo.com><br>Subject: Re: V4L2CTL<br>To: "Discussion of the development of and
 with GStreamer" <gstreamer-devel@lists.freedesktop.org><br>Date: Tuesday, February 12, 2013, 4:12 PM<br><br><div id="yiv641184896"><table border="0" cellpadding="0" cellspacing="0"><tbody><tr><td style="font:inherit;" valign="top">it does work with VLC but not with gstreamer because of the missing v4l2ctl<br><br># v4l2-ctl --all<br>tfp401_open: usage 1<br>Driver Info (not using libv4l2):                                                <br>        Driver name   :
 tfp401                                                  <br>        Card
 type     : tfp401                                                  <br>        Bus info      :                                                         <br>        Driver version:
 0.1.0                                                   <br>        Capabilities  : 0x05000001                                              <br>                Video
 Capture                                                   <br>                Read/Write                                                      <br>               
 Streaming                                                       <br>Format Video Capture:                                                           <br>        Width/Height  :
 800/600                                                 <br>        Pixel Format  : 'YUYV'                                                  <br>        Field         :
 Interlaced                                              <br>        Bytes per Line: 1600                                                    <br>        Size Image    :
 960000                                                  <br>        Colorspace    : Unknown (00000000)                                      <br># <br>I'm not sure what else could it be missing, this is the driver<br>https://github.com/scancool/linux-src/blob/master/drivers/media/video/boundary/tfp401_sensor.c<br><br><br>--- On <b>Tue, 2/12/13, pfarmer <i><flacone@gmx.de></i></b> wrote:<br><blockquote style="border-left:2px solid rgb(16, 16,
 255);margin-left:5px;padding-left:5px;"><br>From: pfarmer <flacone@gmx.de><br>Subject: Re: V4L2CTL<br>To: gstreamer-devel@lists.freedesktop.org<br>Date: Tuesday, February 12, 2013, 3:51 PM<br><br><div class="yiv641184896plainMail">Does the v4l2 do work with your camera at all? Or does the camera work at<br>all?<br>For instance: does the program qv4l2 give any images? Or does $v4l2-ctl -L <br>give you any results?<br>(programs are in the packages: qv4l2 and v4l-utils)<br><br><br><br>--<br>View this message in context: <a rel="nofollow" target="_blank" href="http://gstreamer-devel.966125.n4.nabble.com/V4L2CTL-tp4658500p4658502.html">http://gstreamer-devel.966125.n4.nabble.com/V4L2CTL-tp4658500p4658502.html</a><br>Sent from the GStreamer-devel mailing list archive at Nabble.com.<br>_______________________________________________<br>gstreamer-devel mailing list<br><a rel="nofollow">gstreamer-devel@lists.freedesktop.org</a><br><a rel="nofollow"
 target="_blank" href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a><br></div></blockquote></td></tr></tbody></table></div><br>-----Inline Attachment Follows-----<br><br><div class="plainMail">_______________________________________________<br>gstreamer-devel mailing list<br><a ymailto="mailto:gstreamer-devel@lists.freedesktop.org" href="/mc/compose?to=gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a><br><a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a><br></div></blockquote></td></tr></table>