dvbbasebin and tcpserversink

[Luis de Bethencourt]

from 'man gst-launch-0.10'

       -m, --messages
               Output messages posted on the pipeline's bus

This shouldn't fix your problems but let you view a little bit of what is going.
Also try debugging modes...
http://gstreamer.freedesktop.org/data/doc/gstreamer/head/manual/html/section-checklist-debug.html

On Sun, Feb 20, 2011 at 9:25 AM, Bernhard Graaf <bernhard.graaf at gmx.de> wrote:
> Hi,
>
> a new fact fort his problem:
> If I try to use the pipe
> "gst-launch-0.10 -m dvbbasebin adapter=1 frequency=12544000
> program-numbers=17501 polarity=h symbol-rate=22000 ! tcpserversink
> port=8080"
> without the '-m', then a get the same error as in my C-Prog.
> Is there anyone who can tell what the '-m' do and how I can use it in my own
> prog?
>
> Thanks a lot for helping!!!!
>
> -----Ursprüngliche Nachricht-----
> Von: gstreamer-devel-bounces+bernhard.graaf=gmx.de at lists.freedesktop.org
> [mailto:gstreamer-devel-bounces+bernhard.graaf=gmx.de at lists.freedesktop.org]
> Im Auftrag von Luis de Bethencourt
> Gesendet: Freitag, 18. Februar 2011 18:25
> An: Discussion of the development of and with GStreamer
> Betreff: Re: dvbbasebin and tcpserversink
>
> On Fri, Feb 18, 2011 at 1:22 PM, Bernhard Graaf <bernhard.graaf at gmx.de>
> wrote:
>> Hi,
>>
>> I'm a new gstreamer developer and have a small problem with a simple pipe.
>> If I'm use the pipe:
>> "gst-launch-0.10 -m dvbbasebin adapter=1 frequency=12544000
>> program-numbers=17501 polarity=h symbol-rate=22000 ! tcpserversink
>> port=8080"
>>
>> Then I can see the program (for e.g. with vlc tcp://192.168.1.102:8080)
>>
>> If I try to do the same in C-code
>> --------
>> int
>> main ()
>> {
>>   GMainLoop *loop;
>>
>>   GstElement *pipeline, *source, *sink;
>>   GstBus *bus;
>>
>>   gst_init (NULL, NULL);
>>
>>   loop = g_main_loop_new (NULL, FALSE);
>>
>>   pipeline = gst_pipeline_new ("DVB-Streamer");
>>   source   = gst_element_factory_make ("dvbbasebin",       "dvb-source");
>>   sink     = gst_element_factory_make ("tcpserversink", "tcp-output");
>>
>>   if (!pipeline || !source || !sink) {
>>     g_printerr ("One element could not be created. Exiting.\n");
>>     if(!pipeline) g_printerr("Pipeline not created\n");
>>     else if(!source) g_printerr("Source not created\n");
>>     else if(!sink) g_printerr("Sink not created\n");
>>     return -1;
>>   }
>>
>>   g_object_set (G_OBJECT (source), "adapter", 1, NULL);
>>   g_object_set (G_OBJECT (source), "frequency", 12544000, NULL);
>>   g_object_set (G_OBJECT (source), "program-numbers", "17501", NULL);
>
> So gst-inspect-0.10 tells me that the program-numbers property is a
> string with the following definition...
>  program-numbers     : Colon separated list of programs
>                        flags: readable, writable
>                        String. Default: "" Current: ""
>
> In your manual pipeline above you set it as a int 17501 instead of a
> string "17501".
> Does it work with the string version?
> Are these meant to be program names or process id's?
>
> Luis
>
>
>>   g_object_set (G_OBJECT (source), "polarity", "h", NULL);
>>   g_object_set (G_OBJECT (source), "symbol-rate", 22000, NULL);
>>   g_object_set (G_OBJECT (sink), "port", 8080, NULL);
>>
>>   bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
>>   gst_bus_add_watch (bus, bus_call, loop);
>>   gst_object_unref (bus);
>>
>>   gst_bin_add_many (GST_BIN (pipeline),
>>                     source, sink, NULL);
>>
>>   gst_element_link (source, sink);
>>
>>   g_print ("Now playing: ");
>>   gst_element_set_state (pipeline, GST_STATE_PLAYING);
>>
>>   g_print ("Running...\n");
>>   g_main_loop_run (loop);
>>
>>   return 0;
>> }
>>
>> ----
>>
>> I got the error:
>>
>> Now playing: Running...
>> Error: Interner Fehler im Datenfluss.
>> (sorry for the German error. it's call something like "Internal error in
>> data stream")
>>
>> If I don't use the
>>
>> g_object_set (G_OBJECT (source), "program-numbers", "17501", NULL);
>>
>> It's running well, but I need this parameter
>>
>> Thanks a lot for helping!!
>>
>>
>> .
>>
>> _______________________________________________
>> 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
>
> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>