Probem with output-selector

[rasnaut]

Hah... So, I tested many pipline combination and what I have seen. When I
simple used code like output-selector-test.c:

gePipline = gst_pipeline_new("pipeline");
    g_assert(gePipline);
    geVideoSrc = gst_element_factory_make("v4l2src", "src");
    g_assert(geVideoSrc);
    geVideoRate = gst_element_factory_make("videorate", "vrate1");
    g_assert(geVideoRate);
    geVideoScale = gst_element_factory_make("videoscale", "vscale1");
    g_assert(geVideoScale);
    geIdentity = gst_element_factory_make("identity", "ident");
    g_assert(geIdentity);
    geOutputSelector = gst_element_factory_make("output-selector",
"out_selector");
    g_assert(geOutputSelector);
    geConvert0 = gst_element_factory_make("videoconvert","v0");
    g_assert(geConvert0);
    geConvert1= gst_element_factory_make("videoconvert","v1");
    g_assert(geConvert1);
    geConvert2= gst_element_factory_make("videoconvert","v2");
    g_assert(geConvert2);
    geVideoOut2 = gst_element_factory_make("autovideosink", "video out2");
    g_assert(geVideoOut2);
    geVideoOut1 = gst_element_factory_make("fakesink", "video out1");
    g_assert(geVideoOut1);

    gst_bin_add_many(GST_BIN(gePipline), geVideoSrc,
geVideoRate,geVideoScale,geIdentity,  geConvert0, geOutputSelector,
geConvert1,geVideoOut1, geConvert2,geVideoOut2, NULL);

....
gst_element_link_filtered(geVideoSrc, geVideoRate, gcVideoCaps);
  gst_element_link( geVideoRate, geVideoScale);
  gst_element_link_filtered(geVideoScale, geIdentity, gcVideoScaleCaps);
  gst_element_link(geIdentity, geConvert0);
  gst_element_link( geConvert0, geOutputSelector);

  // link output 1
 gpSinkPad = gst_element_get_static_pad(geConvert1, "sink");
 gpOsel_Src1 = gst_element_get_request_pad (geOutputSelector, "src_%u");
 if (gst_pad_link (gpOsel_Src1, gpSinkPad) != GST_PAD_LINK_OK)
 {  g_print ("linking output 1 converter failed\n"); }
 gst_object_unref (gpSinkPad);

  if (!gst_element_link (geConvert1, geVideoOut1)) {
    g_print ("linking output 1 failed\n");
 }

  // link output 2
gpSinkPad= gst_element_get_static_pad (geConvert2, "sink");
  gpOsel_Src2 = gst_element_get_request_pad (geOutputSelector, "src_%u");
  if (gst_pad_link (gpOsel_Src2, gpSinkPad) != GST_PAD_LINK_OK)
  {
        g_print ("linking output 2 converter failed\n");
   }
 if (!gst_element_link (geConvert2, geVideoOut2))
  {
         g_print ("linking output 1 failed\n");
  }
  gst_object_unref (gpSinkPad);

  g_object_set (G_OBJECT (geOutputSelector), "active-pad",gpOsel_Src1,
NULL);

....

gst_element_set_state(GST_ELEMENT(gePipline), GST_STATE_PLAYING);

Pipline cannot start, 'gst_element_set_state' returns '0'
(GST_STATE_CHANGE_FAILURE). When I changed "videoconvert" plugins for
"queue", Pipline started and was working few seconds (I saw it by
"identity"), but after that all stopped again with
"GST_STATE_CHANGE_FAILURE". But all combination worked if I deleted second
sink from "gst_bin_add_many":
 
gst_bin_add_many(GST_BIN(gePipline), geVideoSrc,
geVideoRate,geVideoScale,geIdentity,  geConvert0, geOutputSelector,
geConvert1,geVideoOut1, NULL);

So, maybe, anybody have some thought about all this?



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