<div dir="ltr"><div>Hey </div><div> </div>If your objective is to have control over the audiorate, I would suggest modifying your code to implement a pipeline like this<div> </div><div>filesrc ! oggmux ! vorbisdec ! audioconvert ! audiorate (or audioresample) ! audio/x-raw, rate=<desired_rate> ! autoaudiosink</div><div> </div><div>and then set the desired rate on the audiorate/audioresample element. </div><div> </div><div>Cheers</div><div class="gmail_extra"> <div class="gmail_quote">2015-07-23 15:42 GMT+02:00 doon <<a href="mailto:don-prog@mail.ru" target="_blank">don-prog@mail.ru</a>>: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Thanks for the response! Yes, oggdemux really need audio/ogg on sink pad. Now I trying to link audioconvert to autoaudiosink with the same caps and with caps with "audio/ogg" type but still have same error. I think I don't quite understand something, can you explain? I trying to change rate of my audio. Sérgio Agostinho wrote > 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@ > >: <div><div class="h5">> >> 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: >> <a href="http://gstreamer-devel.966125.n4.nabble.com/GstCaps-filter-issue-tp4672796.html" rel="noreferrer" target="_blank">http://gstreamer-devel.966125.n4.nabble.com/GstCaps-filter-issue-tp4672796.html</a> </div></div>>> Sent from the GStreamer-devel mailing list archive at Nabble.com. >> _______________________________________________ >> gstreamer-devel mailing list >> > gstreamer-devel@.freedesktop >> <a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" rel="noreferrer" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> >> > > _______________________________________________ > gstreamer-devel mailing list > gstreamer-devel@.freedesktop > <a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" rel="noreferrer" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> -- View this message in context: <a href="http://gstreamer-devel.966125.n4.nabble.com/GstCaps-filter-issue-tp4672796p4672814.html" rel="noreferrer" target="_blank">http://gstreamer-devel.966125.n4.nabble.com/GstCaps-filter-issue-tp4672796p4672814.html</a> Sent from the GStreamer-devel mailing list archive at Nabble.com. _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" rel="noreferrer" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> </blockquote></div> </div></div>