GstCaps filter issue

[Sérgio Agostinho]

Hi,

You're setting a caps filter of type audio/x-raw between the filesource and
the typefind element, but the demuxer you selected (oggdemux) does not
support that on its sink pad.

What are you trying to do?

Cheers

2015-07-23 2:57 GMT+02:00 doon <don-prog at mail.ru>:

> I trying to create filter using caps:
> *               GMainLoop *loop;
>                 GstElement *pipeline, *source, *demuxer, *decoder,
> *typefind, *conv,
> *sink;;
>                 GstBus *bus;
>                 guint bus_watch_id;
>
>
>                 loop = g_main_loop_new(NULL, FALSE);
>
>                 pipeline = gst_pipeline_new ("audio-player");
>                 source   = gst_element_factory_make ("filesrc",
>  "file-source");
>                 typefind = gst_element_factory_make ("typefind",
> "typefinder");
>                 demuxer  = gst_element_factory_make ("oggdemux",
> "ogg-demuxer");
>                 decoder  = gst_element_factory_make ("vorbisdec",
>  "vorbis-decoder");
>                 conv     = gst_element_factory_make ("audioconvert",
> "converter");
>                 sink     = gst_element_factory_make ("autoaudiosink",
> "audio-output");
>
>                 if (!pipeline || !source || !demuxer || !decoder || !conv
> || !sink) {
>                         g_printerr ("Не удалось создать один из элементов
> конвейера. Работа
> приложения завершена.\n");
>                         return -1;
>                 }
>                 g_signal_connect (typefind, "have-type", G_CALLBACK
> (cb_typefound), loop);
>                 g_object_set(G_OBJECT(source), "location", name_of_file,
> NULL);
>
>                 bus = gst_pipeline_get_bus(GST_PIPELINE(pipeline));
>                 bus_watch_id = gst_bus_add_watch(bus, bus_call, loop);
>                 gst_object_unref(bus);
>
>                 gst_bin_add_many(GST_BIN(pipeline), source, typefind,
> demuxer, decoder,
> conv, sink, NULL);
>
>                 GstCaps *my_caps = gst_caps_new_simple
> ("audio/x-raw","rate", G_TYPE_INT,
> 384,NULL);
>
>
>                 gboolean test=false;
>                 test = gst_element_link_filtered(source,typefind, my_caps);
>                 test = gst_element_link(typefind, demuxer);
>                 test = gst_element_link_many(decoder, conv,sink, NULL);
>
>
>                 g_signal_connect(demuxer, "pad-added",
> G_CALLBACK(on_pad_added),
> decoder);*
>
> But get error:
> *Debug: gsttypefindelement.c(1169): gst_type_find_element_loop ():
> /GstPipeline:a
> udio-player/GstTypeFindElement:typefinder:
> stream stopped, reason not-linked*
>
> Var test == 1 after gst_element_link_filtered(source,typefind, my_caps);
>       test == 0 after gst_element_link(typefind, demuxer);
>       test == 1 after gst_element_link_many(decoder, conv,sink, NULL);
> If I just change gst_element_link_filtered on gst_element_link all going ok
> and file plays.
> What am I doing wrong?
>
>
>
> --
> View this message in context:
> http://gstreamer-devel.966125.n4.nabble.com/GstCaps-filter-issue-tp4672796.html
> Sent from the GStreamer-devel mailing list archive at Nabble.com.
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