Ejemplos de gst_query_has_scheduling_mode_with_flags en C++ (Cpp)

Ejemplo n.º 1

static gboolean
gst_wildmidi_activate (GstPad * sinkpad, GstObject * parent)
{
  GstQuery *query;
  gboolean pull_mode;

  query = gst_query_new_scheduling ();

  if (!gst_pad_peer_query (sinkpad, query)) {
    gst_query_unref (query);
    goto activate_push;
  }

  pull_mode = gst_query_has_scheduling_mode_with_flags (query,
      GST_PAD_MODE_PULL, GST_SCHEDULING_FLAG_SEEKABLE);
  gst_query_unref (query);

  if (!pull_mode)
    goto activate_push;

  GST_DEBUG_OBJECT (sinkpad, "activating pull");
  return gst_pad_activate_mode (sinkpad, GST_PAD_MODE_PULL, TRUE);

activate_push:
  {
    GST_DEBUG_OBJECT (sinkpad, "activating push");
    return gst_pad_activate_mode (sinkpad, GST_PAD_MODE_PUSH, TRUE);
  }
}

Ejemplo n.º 2

Archivo: gsttypefindelement.c Proyecto: GrokImageCompression/gstreamer

static gboolean
gst_type_find_element_activate_sink (GstPad * pad, GstObject * parent)
{
  GstQuery *query;
  gboolean pull_mode;

  query = gst_query_new_scheduling ();

  if (!gst_pad_peer_query (pad, query)) {
    gst_query_unref (query);
    goto typefind_push;
  }

  pull_mode = gst_query_has_scheduling_mode_with_flags (query,
      GST_PAD_MODE_PULL, GST_SCHEDULING_FLAG_SEEKABLE);

  gst_query_unref (query);

  if (!pull_mode)
    goto typefind_push;

  if (!gst_pad_activate_mode (pad, GST_PAD_MODE_PULL, TRUE))
    goto typefind_push;

  /* only start our task if we ourselves decide to start in pull mode */
  return gst_pad_start_task (pad, (GstTaskFunction) gst_type_find_element_loop,
      pad, NULL);

typefind_push:
  {
    return gst_pad_activate_mode (pad, GST_PAD_MODE_PUSH, TRUE);
  }
}

Ejemplo n.º 3

Archivo: gstrawparse.c Proyecto: lubing521/gst-embedded-builder

static gboolean
gst_raw_parse_sink_activate (GstPad * sinkpad, GstObject * parent)
{
  GstQuery *query;
  gboolean pull_mode = FALSE;

  query = gst_query_new_scheduling ();

  if (gst_pad_peer_query (sinkpad, query))
    pull_mode = gst_query_has_scheduling_mode_with_flags (query,
        GST_PAD_MODE_PULL, GST_SCHEDULING_FLAG_SEEKABLE);

  gst_query_unref (query);

  if (pull_mode) {
    GST_DEBUG ("going to pull mode");
    return gst_pad_activate_mode (sinkpad, GST_PAD_MODE_PULL, TRUE);
  } else {
    GST_DEBUG ("going to push (streaming) mode");
    return gst_pad_activate_mode (sinkpad, GST_PAD_MODE_PUSH, TRUE);
  }
}

Ejemplo n.º 4

Archivo: rndbuffersize.c Proyecto: Distrotech/gst-plugins-good

static gboolean
gst_rnd_buffer_size_activate (GstPad * pad, GstObject * parent)
{
  GstQuery *query;
  gboolean pull_mode;

  query = gst_query_new_scheduling ();

  if (gst_pad_peer_query (pad, query))
    pull_mode = gst_query_has_scheduling_mode_with_flags (query,
        GST_PAD_MODE_PULL, GST_SCHEDULING_FLAG_SEEKABLE);
  else
    pull_mode = FALSE;

  gst_query_unref (query);

  if (pull_mode) {
    GST_DEBUG_OBJECT (pad, "activating pull");
    return gst_pad_activate_mode (pad, GST_PAD_MODE_PULL, TRUE);
  } else {
    GST_DEBUG_OBJECT (pad, "activating push");
    return gst_pad_activate_mode (pad, GST_PAD_MODE_PUSH, TRUE);
  }
}