[gst-devel] GStreamer on Windows
Daniel Díaz
mrchapp at gmail.com
Sat Jul 7 02:59:57 CEST 2007
Hello!
On 7/6/07, Scott Peterson <lunchtimemama at gmail.com> wrote:
> OK, I've managed to get things working for now (it was an issue with the
> formatting of the uri). I'll check back in if I encounter additional
> problems. Thanks for your help everyone!
So, for the record, how do you format URIs for Windows' playbin, then?
Daniel Díaz
yosoy at danieldiaz.org
> On 7/5/07, Ngurah <ignabandika at yahoo.com> wrote:
> > 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
> > >
> > === message truncated ===>
> >
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> --
> Scott.
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