[gst-devel] GStreamer on Windows

Ngurah ignabandika at yahoo.com
Fri Jul 6 05:59:39 CEST 2007 

Hi,
 on linux i use 3 slash,like uri=file:///, perhaps i
will work to for windows.

--- Scott Peterson <lunchtimemama at gmail.com> wrote:

> I also tried this:
> 
> > gst-launch-0.10.exe playbin
> uri=file://C:\dance.mp3
> 
> and I got this error:
> 
> Setting pipeline to PAUSED ...
> ERROR: Pipeline doesn't want to pause.
> ERROR: from element /playbin0: A FILE protocol
> source plugin is required to
> play this stream, but not installed.
> Additional debug info:
>
E:\devel-release\src_releases\gst-plugins-base\gst\playback\gstplaybasebin.c(1602):
> (function) (): /playbin0:
> No URI handler for file
> Setting pipeline to NULL ...
> FREEING pipeline ...
> 
> On 7/5/07, Scott Peterson <lunchtimemama at gmail.com>
> wrote:
> >
> > I've replied inline.
> >
> > On 7/3/07, Sébastien Moutte <sebastien at moutte.net>
> wrote:
> > >
> > > What version of Visual Studio are you using to
> build GStreamer ?
> > > Depending on the version used, GStreamer
> libraries will be linked on
> > > different version of MSVCRT.
> > > You must link on the same version of the libc
> for GLIB and GSTREAMER
> > > (you can't merge different version and you can't
> merge DEBUG version
> > > with RELEASE version).
> >
> >
> > I'm using VS2005 which links to MSVCR80.DLL. How
> can I specify the use of
> > an older version of the C runtime? I tried
> changing /MT to /MD, but that
> > just removed the MSVCR80 reference; it did not add
> a reference to
> > MSVCRT.dll.
> >
> > Dependency Walker is a good tool to check your
> dependencies
> > > ( http://www.dependencywalker.com/)
> > > One more thing, have you made some tests with
> gst-launch with the
> > > version of GStreamer you built ? Because if
> there is a problem between
> > > GStreamer and Glib dependencies, you will get
> error with gst-launch and
> > > gst-inspect.
> >
> >
> > When I try to use gst-launch with the gstreamer
> binaries that I build
> > myself, I get the same initialization problem
> (probably related to the
> > MSVCRT problem). When I use gst-launch with the
> distribution binaries,
> > here's the error I get:
> > > gst-launch-0.10.exe filesrc location=dance.mp3 !
> mad ! autoaudiosink
> > Setting pipeline to PAUSED ...
> > Pipeline is PREROLLING ...
> > ERROR: from element /pipeline0/filesrc0: Internal
> data flow error.
> > Additional debug info:
> >
>
E:\devel-cvs\src\gstreamer\libs\gst\base\gstbasesrc.c(1811):
> (function) ():
> > /pipeline0/filesrc0:
> > streaming task paused, reason not-linked (-1)
> > ERROR: pipeline doesn't want to preroll.
> > Setting pipeline to NULL ...
> > FREEING pipeline ...
> >
> > When I try to open that file with the test app
> gstplayer [1], it works
> > fine.
> >
> > Thanks,
> > Scott
> >
> > [1] http://perso.orange.es/moutte983/gstreamer/
> >
> > Scott Peterson a écrit :
> > > > Is there anything else I could provide or do
> that would be of use?
> > > >
> > > > On 6/29/07, *Scott Peterson*
> <lunchtimemama at gmail.com
> > > > <mailto:lunchtimemama at gmail.com>> wrote:
> > > >
> > > >     Hey Sébastien, thanks for lending a hand.
> Here's the situation:
> > > >
> > > >     I'm using glib binaries from the OpenVista
> project [1].
> > > >
> > > >     I initially used Gstreamer 0.10.13
> binaries from freedesktop.org
> > > >     <http://freedesktop.org> [2], but now I'm
> building Gstreamer
> > > >     0.10.13 myself with Visual Studio so that
> I can debug the problem.
> > > >
> > > >     I tried to initialize the Gstreamer that I
> built, but it failed
> > > >     with this error:
> > > >
> > > >     > Debug Assertion Failed!
> > > >     > File: write.c
> > > >     > Line: 68
> > > >     > Expression: (_osfile(fh) & FOPEN)
> > > >
> > > >     The error happens in line 72 of
> gstregistryxml.c, in the method
> > > >     gst_registry_save. The line is:
> > > >
> > > >     > written = write (registry->cache_file,
> str, len);
> > > >
> > > >     I think the error arises because
> registry->cache_file has the
> > > >     value 3. registry->cache_file is assigned
> on line 849 of
> > > >     gstregistryxml.c in the method
> gst_registry_xml_write_cache. The
> > > >     line is:
> > > >
> > > >     > registry->cache_file = g_mkstemp
> (tmp_location);
> > > >
> > > >     Prior to execution of this line,
> registry->cache_file is 0. After
> > > >     execution, it is 3. Someone on IRC advised
> me that this is a
> > > >     problem having to do with the fact that
> I'm building Gstreamer
> > > >     myself, but not glib. Unfortunately I'm
> not able to build glib for
> > >
> > > >     a number of reasons, so I just got around
> this problem by
> > > inserting
> > > >
> > > >     > goto fail;
> > > >
> > > >     before the registry->cache_file
> assignment. Gstreamer now
> > > initializes.
> > > >
> > > >     Now to the playback problem. Banshee
> playback is handled in a C
> > > >     library called libbanshee. The relevant
> file is
> > > >     gst-playback-0.10.c [3]. When a song is
> played in the interface,
> > > >     the method gst_playback_open is called,
> and then gst_playback_play
> > >
> > > >     (see gst-playback-0.10.c). The error
> occurs while executing
> > > >     gst_playback_play.
> > > >
> > > >     I've traced the problem to the method
> gst_base_src_start in
> > > >     gstbasesrc.c on line 1986:
> > > >
> > > >     >     result = bclass->start (basesrc);
> > > >
> > > >     I'm not able to enter that function while
> debugging (what code is
> > > >     this pointing to?) but when it returns,
> result is 0. I can provide
> > >
> > > >     loads of stack trace info or variable
> values, but I don't know
> > > >     what would be helpful for you to know. I
> don't understand what
> > > >     much of the code is doing, but I do know
> that this is happening
> > > >     during a pad activation (whatever that
> is).
> > > >
> > > >     Thanks again for helping out and let me
> know what other info I can
> > > >     provide.
> > > >
> > > >     Best,
> > > >     Scott
> > > >
> > > >     [1]
> > > >
> > >
>
https://sourceforge.net/project/showfiles.php?group_id=74626&package_id=223067
> 
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