gstreamer-devel Digest, Vol 3, Issue 46
gOOGle md
shamun.toha at gmail.com
Thu Apr 14 01:27:40 PDT 2011
Hello Tim,
Thanks, that solves it. That means blacklist happens when Operating system
gets failed to do correctly the Gstreamer plugin installation.
Thanks & Reg
On Wed, Apr 13, 2011 at 9:00 PM, <
gstreamer-devel-request at lists.freedesktop.org> wrote:
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> Today's Topics:
>
> 1. Re: Help with python bindings
> (Noe Nieto [http://percepcionunitaria.org]])
> 2. No such element or plugin 'filesrc' (gOOGle md)
> 3. Re: No such element or plugin 'filesrc' (Tim-Philipp M?ller)
> 4. Problem with gst rtsp server (Paulo Paiva)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 13 Apr 2011 10:38:03 -0500
> From: "Noe Nieto [http://percepcionunitaria.org]]" <tzicatl at gmail.com>
> Subject: Re: Help with python bindings
> To: olivier.aubert at liris.cnrs.fr, Discussion of the development of
> and with GStreamer <gstreamer-devel at lists.freedesktop.org>
> Message-ID: <BANLkTi=+NSrDkNa=6MdGOCLmtjne8YdbKA at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Yeah, that's it. Thank you.
>
>
> tzicatl at hormiga-vaca:~$ python
> Python 2.6.6 (r266:84292, Sep 15 2010, 16:22:56)
> [GCC 4.4.5] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
> >>> import pygst
> >>> pygst.require("0.10")
> >>> import gst
> ** Message: pygobject_register_sinkfunc is deprecated (GstObject)
> >>> pipeline = gst.parse_launch("videotestsrc ! jpegenc ! multipartmux !
> appsink name=endpoint")
> >>> endpoint = pipeline.get_by_name('endpoint')
> >>> endpoint
> <__main__.GstAppSink object (endpoint) at 0x254d0a0>
> >>>
>
> ---
> Noe
>
> 2011/4/13 Olivier Aubert <olivier.aubert at liris.cnrs.fr>:
> > Spurious quotes in your name. With your pipeline definition, you can do
> > endpoint = pipeline.get_by_name("'endpoint'")
> > but you should rather remove the quotes around the endpoint name.
> >
> > Olivier
> >
> > On Tue, 2011-04-12 at 22:55 -0500, Noe Nieto
> > [http://percepcionunitaria.org]] wrote:
> >> I'm being lazy so I want to use gst.parse_launch() for my pipeline this
> way:
> >>
> >> >>> import pygst
> >> >>> pygst.require("0.10")
> >> >>> import gst
> >> >>> pipeline = gst.parse_launch("videotestsrc ! jpegenc ! multipartmux !
> appsink name='endpoint'")
> >> >>> type(pipeline)
> >> <type 'gst.Pipeline'>
> >>
> >> I want to get a hold on the "endpoint" element. The problem is that
> >> the GstBin.get_by_name() returns None.
> >>
> >> >>> endpoint = pipeline.get_by_name('endpoint')
> >> >>> endpoint
> >> >>> type (endpoint)
> >> <type 'NoneType'>
> >>
> >> Why?
> >>
> >>
> >> --
> >> --
> >> Noe Nieto
> >> Estudiante de Psicolog?a Holokin?tica
> >>
> >> Diplomados, noticias, libros, art?culos,
> >>
> >> audios y videos gratuitos : ? percepcionunitaria.org
> >> _______________________________________________
> >> gstreamer-devel mailing list
> >> gstreamer-devel at lists.freedesktop.org
> >> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
> >
> >
> > _______________________________________________
> > gstreamer-devel mailing list
> > gstreamer-devel at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
> >
>
>
>
> --
> --
> Noe Nieto
> Estudiante de Psicolog?a Holokin?tica
>
> Diplomados, noticias,?libros, art?culos,
>
> audios y videos gratuitos?:???percepcionunitaria.org
>
>
> ------------------------------
>
> Message: 2
> Date: Wed, 13 Apr 2011 19:06:55 +0200
> From: gOOGle md <shamun.toha at gmail.com>
> Subject: No such element or plugin 'filesrc'
> To: gstreamer-devel at lists.freedesktop.org
> Message-ID: <BANLkTinYFg2Rg3pLK9p_mNDjsQLF=N80EA at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> A) gst-launch-0.10 version 0.10.29
> GStreamer 0.10.29
> http://download.fedora.redhat.com/fedora
>
> B) Loaded plugins: presto, refresh-packagekit
> Installed Packages
> PackageKit-gstreamer-plugin.
> i686
> 0.5.7-2.fc12
> @updates
> gstreamer.i686
> 0.10.29-1.fc12
> @updates
> gstreamer-devel.i686
> 0.10.29-1.fc12
> @updates
> gstreamer-plugins-bad-free.i686
> 0.10.19-1.fc12
> @updates
> gstreamer-plugins-base.i686
> 0.10.29-1.fc12
> @updates
> gstreamer-plugins-good.i686
> 0.10.23-1.fc12
> @updates
> gstreamer-python.i686
> 0.10.16-1.fc12
> @rawhide
> gstreamer-tools.i686
> 0.10.29-1.fc12
> @updates
>
> C) gst-inspect filesrc
>
> No such element or plugin 'filesrc'
>
> Help anyone plz?
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>
> ------------------------------
>
> Message: 3
> Date: Wed, 13 Apr 2011 18:20:28 +0100
> From: Tim-Philipp M?ller <t.i.m at zen.co.uk>
> Subject: Re: No such element or plugin 'filesrc'
> To: gstreamer-devel at lists.freedesktop.org
> Message-ID: <1302715228.16923.21.camel at zingle>
> Content-Type: text/plain; charset="UTF-8"
>
> On Wed, 2011-04-13 at 19:06 +0200, gOOGle md wrote:
>
> > C) gst-inspect filesrc
> >
> > No such element or plugin 'filesrc'
>
> The coreelements plugin probably got blacklisted for some reason.
>
> Try:
>
> $ rm ~/.gstreamer-0.10/registry*
> $ gst-inspect-0.10
>
> does that show any errors/warnings?
>
> Cheers
> -Tim
>
>
>
>
> ------------------------------
>
> Message: 4
> Date: Wed, 13 Apr 2011 18:58:54 +0100
> From: Paulo Paiva <paivalhao at gmail.com>
> Subject: Problem with gst rtsp server
> To: gstreamer-devel at lists.freedesktop.org
> Message-ID: <4DA5E45E.7040901 at gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> I am having this problem with the code listed bellow
>
> $ make
> gcc `pkg-config gstreamer-0.10 gst-rtsp-server-0.10 --libs` `pkg-config
> gstreamer-0.10 gst-rtsp-server-0.10 --cflags` -o server server.c
> $ ./server
> ./server: symbol lookup error: /usr/lib/libgstrtspserver-0.10.so.0:
> undefined symbol: gst_plugin_feature_rank_compare_func
>
>
> Can someone help me?
> Thanks all!
>
>
> CODE
>
> ----------------------------------------------------------------------------------------------------------------------------------
> #include <gst/gst.h>
> #include <gst/rtsp-server/rtsp-server.h>
>
> /* define this if you want the resource to only be available when using
> * user/admin as the password */
> #undef WITH_AUTH
>
> char *filein = "FileToGo.mkv";
>
> /* this timeout is periodically run to clean up the expired sessions
> from the
> * pool. This needs to be run explicitly currently but might be done
> * automatically as part of the mainloop. */
> static gboolean
> timeout (GstRTSPServer * server, gboolean ignored)
> {
> GstRTSPSessionPool *pool;
>
> pool = gst_rtsp_server_get_session_pool (server);
> gst_rtsp_session_pool_cleanup (pool);
> g_object_unref (pool);
>
> return TRUE;
> }
>
> int
> main (int argc, char *argv[])
> {
> GMainLoop *loop;
> GstRTSPServer *server;
> GstRTSPMediaMapping *mapping;
> GstRTSPMediaFactory *factory;
> #ifdef WITH_AUTH
> GstRTSPAuth *auth;
> gchar *basic;
> #endif
> gchar *str;
>
> gst_init (&argc, &argv);
>
> loop = g_main_loop_new (NULL, FALSE);
>
> /* create a server instance */
> server = gst_rtsp_server_new ();
>
> /* gst_rtsp_server_set_port(server, 3001); */
>
> /* get the mapping for this server, every server has a default mapper
> object
> * that be used to map uri mount points to media factories */
> mapping = gst_rtsp_server_get_media_mapping (server);
>
> #ifdef WITH_AUTH
> /* make a new authentication manager. it can be added to control
> access to all
> * the factories on the server or on individual factories. */
> auth = gst_rtsp_auth_new ();
> basic = gst_rtsp_auth_make_basic ("user", "admin");
> gst_rtsp_auth_set_basic (auth, basic);
> g_free (basic);
> /* configure in the server */
> gst_rtsp_server_set_auth (server, auth);
> #endif
>
> /* make the play string*/
> str = g_strdup_printf ("( "
> "filesrc location=%s ! 'decodebin name=demux ,width=(int)352,
> height=(int)288' ! queue ! ffmpegcolorspace !"
> "x264enc tune=zerolatency byte-stream=true bitrate=1050 threads=0
> speed-preset=3 ! rtph264pay name=pay0 pt=96 "
> "demux. ! queue ! audioresample ! audioconvert ! ffenc_aac !
> rtpmp4apay name=pay1 pt=97 " ")",filein);
>
> /* make a media factory for a test stream. The default media factory
> can use
> * gst-launch syntax to create pipelines.
> * any launch line works as long as it contains elements named pay%d.
> Each
> * element with pay%d names will be a stream */
> factory = gst_rtsp_media_factory_new ();
> gst_rtsp_media_factory_set_launch (factory, str);
>
> /* uncoment in order to share the content in the pipe
> gst_rtsp_media_factory_set_shared()*/
>
> /* attach the test factory to the /test url */
> gst_rtsp_media_mapping_add_factory (mapping, "/fileplay", factory);
>
> /* don't need the ref to the mapper anymore */
> g_object_unref (mapping);
>
> /* attach the server to the default maincontext */
> if (gst_rtsp_server_attach (server, NULL) == 0)
> goto failed;
>
> /* add a timeout for the session cleanup */
> g_timeout_add_seconds (2, (GSourceFunc) timeout, server);
>
> /* start serving, this never stops */
> g_main_loop_run (loop);
>
> return 0;
>
> /* ERRORS */
> failed:
> {
> g_print ("failed to attach the server\n");
> return -1;
> }
> }
>
> --
> Paulo Paiva
>
>
>
>
> ------------------------------
>
> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>
>
> End of gstreamer-devel Digest, Vol 3, Issue 46
> **********************************************
>
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