The YCbCr digital output can be programmed as 8-bit 4:2:2 or 8-bit ITU-R BT.656 parallel interface standard.<br>'''Summary of Line Frequencies, Data Rates, and Pixel Counts'''<br>
{| width="480" cellspacing="1" cellpadding="1" border="0" align="left" width="480" style=""
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! scope="col" | STANDARDS <br>(ITU-R BT.601) <br>
<br>
= Get the ISP kernel branch Dependecies =
You can access to our latest isp kernel branch using our git repository from [http://git*IGEP Board with TVP5151 peripheral (IGEPv2 Expansion Board or IGEP Berlin).igep*Camera with PAL output live video.es/?p=pub/scm/linux-omap-2.6.git;a=shortlog;h=refs/heads/linux-2.6.35.y-omap3isp here]*IGEP SDK (IGEP VM suggested).
Get a local copy from our repository. <pre>git clone git://git.igep.es/pub/scm/linux-omap-= Kernel 2.6.gitgit checkout linux-2.6.3537.y-omap3isp</pre> === Build the Kernel IGEP Firmware Yocto == Configure the kernel <pre>source /usr/local/poky/eabi-glibc/environment-setup-arm-none-linux-gnueabimake ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- igep0020_defconfigmake ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- uImage modulesmake ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- modules_install INSTALL_MOD_PATH=[path to your target rootfs</pre> By default the iommu2, tvp5151 and omap3-isp drivers be build inside the kernel but you can configure it for build as module using this [http://downloads.igep.es/files/tvp5151/config alternative configuration file].<br> If you wish use this alternative configuration file copy it in the kernel sources root directory and rename the file as:<br><pre>mv config .config</pre>Build the kernel with this configuration file:<br><pre>source /usr/local/poky/eabi-glibc/environment-setup-arm-none-linux-gnueabimake ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- uImage modulesmake ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- modules_install INSTALL_MOD_PATH=[path to your target rootfs</pre>After build the kernel and the modules you must install it on the IGEP board.
= TVP5151 Setup<br> =''(from [[How to create a SD-card with the latest software image]])'' {{:How to create a SD-card with the latest software image}}
You need == Configure TVP5151 ==<section begin=configure />Use the program [[http//downloads.igep.es/files/tvp5151/media-ctl|media-ctl]] this program it's useful for following steps to configure the ISP.<br>analog video:
If you use the iommu2*Connect a video composite input to J501 connector from IGEPv2 Expansion (near CAN Bus) or J402 connector from IGEP BERLIN (near HDMI output)*Connect a screen,
tvp5151 for example HDMI monitor. *Refresh repositories and
isp as modules before start you must insert accept it
inside the kernel as:.<
brpre>zypper ref </pre>
*Install video4linux2 plugin<pre>
modprobe iommu2modprobe omap3zypper in gst-plugins-good-
ispvideo4linux2</pre>
The insert order must be first the iommu2 and after that the omap3-isp.<br> section end== Seteps for configure the ISP and TVP5151<br/> ==
Configure the right ISP routing.<br><pre>./media-ctl -r -l '"tvp5150 2-005c":0->"OMAP3 ISP CCDC":0[1], "OMAP3 ISP CCDC":1->"OMAP3 ISP CCDC output":0[1]'</pre>Configure the video capture setup.<br><pre>./media-ctl --set-format '"tvp5150 2-005c":0 [UYVY 720x628]'== Play with TVP5151 ==<
section begin=playigepv2 /
pre>
= Play with TVP5151<
br> section begin=
You can use for get the captured images [http:playberlin /
/downloads.igep.es/files/tvp5151/yavta yavta] or gstreamer as live stream.<br>
This is the suggested yavta capture setup:*Load OMAP ISP kernel module<br> <pre>
./yavta modprobe omap3-
f UYVY -s 720x628 -n 4 --capture=4 -F /dev/video2isp</pre>
or the gstreamer pipeline setup<section end=playberlin />*Configure ISP, for PAL resulution use 720x576 for NTSC resolution use 720x480 for '''IGEPv2 Expansion''':<br><pre>media-ctl -r -l '"tvp5150 2-005c":0->"OMAP3 ISP CCDC":0[1], "OMAP3 ISP CCDC":1->"OMAP3 ISP CCDC output":0[1]'media-ctl -v --set-format '"tvp5150 2-005c":0 [UYVY 720x480]'media-ctl -v --set-format '"OMAP3 ISP CCDC":0 [UYVY 720x480]'media-ctl -v --set-format '"OMAP3 ISP CCDC":1 [UYVY 720x480]' </pre> <section end=playigepv2 /><section begin=playberlin />*Configure ISP, for PAL resulution use 720x576 for NTSC resolution use 720x480 for '''IGEP BERLIN''':<br>
<pre>media-ctl -r -l '"tvp5150 3-005d":0->"OMAP3 ISP CCDC":0[1], "OMAP3 ISP CCDC":1->"OMAP3 ISP CCDC output":0[1]'media-ctl -v --set-format '"tvp5150 3-005d":0 [UYVY 720x480]'media-ctl -v --set-format '"OMAP3 ISP CCDC":0 [UYVY 720x480]'media-ctl -v --set-format '"OMAP3 ISP CCDC":1 [UYVY 720x480]' </pre> <section begin=playigepv2 />*Export display<pre>export DISPLAY=:0.0 </pre> *Launch gstreamer<pre>gst-launch-0.10 -v v4l2src device=/dev/video2 queue-size=
1 8 ! video/x-raw-yuv,format=\(fourcc\)UYVY,width=720,height=
628480 !
omapdmaifbsinkffmpegcolorspace ! autovideosink</pre>
*Now you can see in your IGEP screen a result similar like this{| cellspacing= Dependeces<br> "1" cellpadding="1" border="1" width="200"|-*IGEPv2 board with a Expansion board| [[Image:Igepv2expgstreamercapture.<br>jpg|400px]]*Camera with PAL output live video.<br>|}*ISEE IGEPv2 toolchain (IGEP VM suggested)<brsection end=playigepv2 />*Gstreamer.<brsection end=playberlin /> <br> [[Category:How_to_forge]][[Category:Gstreamer]][[Category:Hardware]][[Category:Linux]]
<br>[[Category:Gstreamer]][[Category:Software applications]]
