Encode stream error with omxh264enc

[Vincent BENOIT]

Well, I changed my cross toolchain (uclibc, make with buildroot-2013.08.1)
to another toolchain found in raspberry pi github website (glibc, make with
ct-ng 1.15.2) to resolve another problem and it solved this problem too.
I discovered strange behavior in thread context with my uclibc cross
toolchain and decided to change it.
Now the gst-omx plugin works perfectly (the h264 encoder) with
gst-launch-1.0 command but not works with gst-rtsp-server library (I'll
open another thread).

I'll investigate more to find differences between the two toolchains.

thanks for your help.



2013/12/20 Sebastian Dröge <sebastian at centricular.com>

> On Mi, 2013-12-18 at 17:49 +0100, Vincent BENOIT wrote:
> > I use buildroot version 2013.08.1 to build my embedded RPi system (kernel
> > 3.12.0 - uclibc cross toolchain) with rpi-userland package.
> > toolchain :
> > # ./arm-buildroot-linux-uclibcgnueabi-gcc --version
> > arm-buildroot-linux-uclibcgnueabi-gcc (Buildroot 2013.08.1) 4.7.3
> > Copyright © 2012 Free Software Foundation, Inc.
> >
> > I try the gst-omx plugin package originally supplied with buildroot
> > packages (tag version 1.0.0) compiled neatly then I've modified the
> > buildroot makefile to compile the head git version of gst-omx plugin.
> > I have the same error with the two versions of gst-omx package.
>
> What configure parameters are used for building gst-omx, can you attach
> the config.log? What's the output of ldd on libgstomx.so?
>
> Does your vcos library export the symbol vcos_global_lock at all? From
> your logs it is loaded but this symbol is not found. This does not look
> like a problem in gst-omx at all to me as gst-omx does not use this
> symbol directly.
>
> I would check if everything is ok with your toolchain, libc and dynamic
> linker, and also check if the userland part of the RPi firmware is a
> known to be working version.
>
> > I'm agree that this error seems to be an linking error but nothing wrong
> in
> > my build trace.
> >
> > the library libopenmaxil.so is in /usr/lib like libvcos.so,
> libbcm_host.so,
> > ...
>
> The RPi firmware userland part is supposed to be in /opt/vc btw :)
>
> --
> Sebastian Dröge, Centricular Ltd - http://www.centricular.com
> Expertise, Straight from the Source
>
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