Issues handling bin's

[Tim-Philipp Müller]

Did you add a ghost pad to the bin (or two if data comes out again as well) ?

What step actually fails? Some link? Where?

Cheers
 -Tim
----- Original message -----
> Hi,
> 
>   
> 
> I've a small issue to handling bin in my C-Source.
> 
> If I use a pipe like this:
> 
>   
> 
>     tv_pipe = gst_pipeline_new ("TV-Stream");
> 
>         if(!tv_pipe) g_printerr("TV-Stream-Pipeline not created\n");
> 
>   
> 
>     tv_source     = gst_element_factory_make ("tcpclientsrc", "tv-source");   
> 
>         if(!tv_source) g_printerr("TV-Source not created\n");
> 
>   
> 
>     tv_mux         = gst_element_factory_make ("tsdemux", "tv-mux");
> 
>         if(!tv_mux) g_printerr("TV-Mux not created\n");
> 
>   
> 
>     tv_v_queue         = gst_element_factory_make ("queue", "tv-v-queue");
> 
>         if(!tv_v_queue) g_printerr("TV-Video-Queue not created\n");
> 
>   
> 
>     tv_v_parse = gst_element_factory_make ("mpegvideoparse",
> "Video-Parse");
> 
>         if(!tv_v_parse) g_printerr("Video-Parse not created\n"); 
> 
>   
> 
>     tv_v_dec         = gst_element_factory_make ("mpeg2dec", "tv-v-dec");
> 
>         if(!tv_v_dec) g_printerr("TV-Video-Dec not created\n");
> 
>   
> 
>     tv_v_sink         = gst_element_factory_make ("xvimagesink", "tv-v-sink");
> 
>         if(!tv_v_sink) g_printerr("TV-Video-Sink not created\n");
> 
>   
> 
>     tv_a_queue         = gst_element_factory_make ("queue", "tv-a-queue");
> 
>         if(!tv_a_queue) g_printerr("TV-Audio-Queue not created\n");
> 
>   
> 
>     tv_a_parse = gst_element_factory_make ("mpegaudioparse",
> "Audio-Parse");
> 
>         if(!tv_a_parse) g_printerr("Audio-Parse not created\n"); 
> 
>   
> 
>     tv_a_dec         = gst_element_factory_make ("mad", "tv-a-dec");
> 
>         if(!tv_a_dec) g_printerr("TV-Audio-Dec not created\n");
> 
>   
> 
>     tv_a_sink         = gst_element_factory_make ("pulsesink", "tv-a-sink");
> 
>         if(!tv_a_sink) g_printerr("TV-Audio-Sink not created\n");
> 
>   
> 
>   
> 
>     tv_bus = gst_pipeline_get_bus (GST_PIPELINE (tv_pipe));
> 
>     gst_bus_add_watch (tv_bus, tv_bus_call, NULL);
> 
>     gst_bus_set_sync_handler (tv_bus, (GstBusSyncHandler) bus_sync_handler,
> NULL, NULL);
> 
>     gst_object_unref (tv_bus);
> 
>   
> 
>   
> 
>     gst_bin_add_many (GST_BIN (tv_pipe), tv_source, tv_mux, tv_v_queue,
> tv_v_parse, tv_v_dec, tv_v_sink, tv_a_queue, tv_a_parse, tv_a_dec,
> tv_a_sink, NULL);
> 
>   
> 
>   
> 
>     gst_element_link (tv_source, tv_mux);
> 
>     gst_element_link_many (tv_v_queue, tv_v_parse, tv_v_dec, tv_v_sink,
> NULL);
> 
>     gst_element_link_many (tv_a_queue, tv_a_parse, tv_a_dec, tv_a_sink,
> NULL);
> 
>   
> 
>   
> 
>     g_signal_connect (tv_mux, "pad-added", G_CALLBACK (tv_mux_pad_added),
> tv_v_queue);
> 
>   
> 
>     return 1;
> 
> }
> 
>   
> 
> There it's working fine.
> 
> But if I change it to:
> 
>   
> 
> (Beginning the same)
> 
> ..
> 
>   
> 
>     sdh_bin = gst_bin_new("sdh_bin");
> 
>     if(!sdh_bin) g_printerr("sdh_bin not created\n"); 
> 
>   
> 
>   
> 
>     gst_bin_add_many (GST_BIN (sdh_bin), tv_v_queue, tv_v_parse, tv_v_dec,
> tv_v_sink, NULL); 
> 
>     gst_bin_add_many (GST_BIN (tv_pipe), tv_source, tv_mux, sdh_bin,
> tv_a_queue, tv_a_parse, tv_a_dec, tv_a_sink, NULL);
> 
>   
> 
> ..
> 
> (Rest the same)
> 
>   
> 
> It doesn't work (no audio/video).
> 
> Do I have some misunderstandings? I've read the documentation regarding
> 'bin's'.
> 
>   
> 
> Thanks' for helping
> 
> Bernhard
> 
>   
> 
>   
>