[yocto] Call for help for demo UPNP media renderer

Xu, Dongxiao dongxiao.xu at intel.com
Tue Oct 19 23:07:05 PDT 2010


Hi Josh,

Today I took a glance at the rygel crash issue in poky. Though I didn't get the root cause, I found when configure Tracker plugin into rygel, the segmentation fault will happen. Since we have already configured the media-export plugin, and tracker plugin plays the same role, I think we can simply disable tracker plugin (by configure time or change by rygel-preferences) for demo usage.

Thanks,
Dongxiao

Xu, Dongxiao wrote:
> I just built out the poky-image-rygel image with your meta-demo
> layer, and run 
> 
> rygel --gst-debug-level=5
> 
> I still saw it "segmentation fault" in the last...
> 
> I am looking into it.
> 
> Thanks,
> Dongxiao
> 
> Xu, Dongxiao wrote:
>> Zanussi, Tom wrote:
>>> On Tue, 2010-10-19 at 17:40 -0700, Xu, Dongxiao wrote:
>>>> Joshua Lock wrote:
>>>>> On Wed, 2010-10-20 at 01:04 +0100, Joshua Lock wrote:
>>>>>> On Tue, 2010-10-19 at 14:31 -0700, Saul Wold wrote:
>>>>>>> 
>>>>>>> Dongxiao,
>>>>>>> 
>>>>>>> Can you take a look at this since you have worked with the
>>>>>>> gstreamer?
>>>>>> 
>>>>>> I did a sloppy job pushing my changes when leaving the office but
>>>>>> think I have replicated most/all of the in the josh/demo branch.
>>>>>> 
>>>>>> I also took a look through the rygel code to see what gstreamer
>>>>>> elements are explicitly being used, I've created a list and tried
>>>>>> to ensure as many as possible of them are in the IMAGE_INSTALL
>>>>>> list for poky-image-rygel, adding them to the RDEPENDS for rygel
>>>>>> doesn't appear to have included them in the image I just
>>>>>> created... 
>>>>>> 
>>>>>> Full list of names of pipeline elements I found in the rygel
>>>>>> code follows: 
>>>>>> 
>>>>>> decodebin2, videorate, videoscale, ffmpegcolorspace, ffenc_wmv1,
>>>>>> twolame, lame, mp3parse, ffenc_wmav2, convert-sink-pad,
>>>>>> ffenc_mpeg2video, audio-src-pad, audio-sink-pad,
>>>>>> audio-enc-sink-pad, sink, mpegtsmux, audioconvert, audioresample,
>>>>>> audiorate, capsfilter, audiotestsrc, videotestsrc, ffmux_asf
>>>>>> 
>>>>> 
>>>>> The image I just built with my latest changes in josh/demo
>>>>> worked!?! Rygel did not segfault :-)
>>>>> 
>>>>> If you have time Dongxiao (or anyone else) I'd appreciate if you
>>>>> could double-check my changes (my install_append in rygel to
>>>>> create a .config isn't working, so you'll need to do that
>>>>> manually and run rygel-preferences to disable the tracker
>>>>> plugin). If you could test using Rygel as a renderer for some
>>>>> content served by the mediatomb image, that would be much
>>>>> appreciated. You'll want gupnp-av-cp as provided by gupnp-tools
>>>>> to control the renderer and content server. 
>>>>> 
>>>>> Thanks,
>>>>> Joshua
>>>> 
>>>> I will try your branch, however I didn't find josh/demo in
>>>> poky-contrib. Is it reside in other place?
>>>> 
>>> 
>>> It should be here:
>>> 
>>> ssh://git@git.pokylinux.org/meta-demo.git
>>> 
>>> Tom
>> 
>> Got it, thanks!
>> 
>> Dongxiao
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