View source for IGEP GST FRAMEWORK 3.40.00

= What is?  =

IGEP gst framework it's based on TI DVSDK. It's modified version for provide all DSP&nbsp;essential packages and the [[GStreamer|gstreamer]] DSP plugin for use it in IGEP platforms. <br> 

= Changes From 3.10.10  =

*Support linux kernel 2.6.37.y<br> 
*Upgraded IGEP-X-Loader 2.5.0-1<br> 
*Included &amp; upgraded toolchain [https://www.isee.biz/support/downloads/item/igep-sdk-yocto-toolchain-1-2-2-3?category_id=81 IGEP SDK Yocto Toolchain 1.2.2-3]<br> 
*DSP &amp; ARM&nbsp;Memory map changed.

== Dependences<br>  ==

*IGEP SDK Yocto Toolchain 1.2.1-2<br> 
*linux kernel 2.6.37.y<br> 
*Host: Ubuntu or compatible distribution 
*Automake 1.7 and Libtool ( '''sudo apt-get install autoconf automake libtool ''')<br>

= Download<br>  =

The package is available at the Official ISEE [http://isee.biz/component/zoo/item/igep-dsp-gst-framework download area]. 

Download the package and uncompress this package as normal user in your desired directory ('''''don't use sudo command for decompress this file''''') 

= How to Build<br>  =

Ensure that you've the right toolchain installed (you can install it using the script included in the root package directory install_toolchain.sh)<br> 

Execute the script: build_configure.sh<br> 

It will ask you for the right processor platform:<br> 
<pre>This program will configure and build this software
Select your processor:
&lt;A&gt; DM3730, &lt;B&gt; OMAP3530 Please choose one. (default: DM3730)
</pre> 
After that you're ready for copy it inside your board.<br> 

All build binaries will reside inside the target directory under your selected platform, copy all the content inside your board. 

IGEP-X-Loader and Linux kernel have self own howto about build and install it ... 

Inside target/script directory you can found some useful scripts.

= Memory Map =

This package uses the same memory structure that dvsdk from TI, it must be configured as (in kernel command line):<br> 

mem=50M@0x80000000<br>mem=383M@0x88000000<br>

= BUGS Detected  =

{| width="60%" cellspacing="1" cellpadding="1" border="1"
|-
| Release 
| Description 
| Workaround 
| Other
|-
| 3.40.00 
| Alsa dev headers not included 
| follow the instructions included inside tools/packages directory 
| see install.txt file
|-
| 3.40.00 
| build_configure.sh has a syntax error and it not handle correctly any directoy name change.<br>
| 
Go to line 19 and replace the line using this alternative: 

script="s&#124;"$old_workspace"&#124;"$WORKSPACE"&#124;g" 

| 
|}

<br>

= Play with it<br>  =

[<span style="color: rgb(255, 0, 0);">IMPORTANT</span>] Some modules requires root privileges account.<br> 

Normally in this example we will use 2 frame buffers and we will use the fb2 for playing the videos.<br> 

We only need load the modules one time, we provide in the target/scripts directory some useful scripts. You should load the modules using the load-modules.sh script (just remember execute it as root).<br> 

After load all modules then you should configure the fb1, it's suggested use the fb1-16M-settings.sh script after that the video image can be black or with random pixels (just it's normal) now you've the fb1 and fb0 running.<br> 

fb1 it's on TOP and fb0 it's under fb1, it means that if you don't enable the transparency it's not possible see the fb0.<br> 

Now, you're ready for play some nice video using gstreamer, you can use these pipelines: 

This is for play a avi file and uses the omapdmaifbsink. 
<pre>gst-launch-0.10 -v filesrc location=$1&nbsp;! avidemux name=demux  demux.audio_00&nbsp;! queue max-size-buffers=8000 max-size-time=0 max-size-bytes=0 \
! TIAuddec1&nbsp;! alsasink demux.video_00&nbsp;! queue max-size-buffers=2 max-size-time=0 max-size-bytes=0&nbsp;! TIViddec2 engineName=codecServer&nbsp;! omapdmaifbsink
</pre> 
Or You can use this other for play a mp4 file it uses a TIDmaiVideoSink.<br> 
<pre>gst-launch-0.10 -v filesrc location=$1&nbsp;! qtdemux name=demux  demux.audio_00&nbsp;! queue max-size-buffers=8000 max-size-time=0 max-size-bytes=0 \
! TIAuddec1&nbsp;! alsasink demux.video_00&nbsp;! queue max-size-buffers=2 max-size-time=0 max-size-bytes=0&nbsp;! TIViddec2 engineName=codecServer \
! queue&nbsp;! TIDmaiVideoSink displayStd=fbdev displayDevice=/dev/fb1 accelFrameCopy=TRUE contiguousInputFrame=1
</pre> 
= Useful Links  =

*[[GStreamer|Gstreamer overview]]
*[[:Category:Gstreamer|Gstreamer]]
*[[Example GStreamer Pipelines]]<br>

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