Ejemplos de gst_gdk_pixbuf_dec_sink_setcaps en C++ (Cpp)

Ejemplo n.º 1

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

static gboolean
gst_gdk_pixbuf_dec_sink_event (GstPad * pad, GstObject * parent,
    GstEvent * event)
{
  GstFlowReturn res = GST_FLOW_OK;
  gboolean ret = TRUE, forward = TRUE;
  GstGdkPixbufDec *pixbuf;

  pixbuf = GST_GDK_PIXBUF_DEC (parent);

  switch (GST_EVENT_TYPE (event)) {
    case GST_EVENT_CAPS:
    {
      GstCaps *caps;

      gst_event_parse_caps (event, &caps);
      ret = gst_gdk_pixbuf_dec_sink_setcaps (pixbuf, caps);
      forward = FALSE;
      break;
    }
    case GST_EVENT_EOS:
      if (pixbuf->pixbuf_loader != NULL) {
        gdk_pixbuf_loader_close (pixbuf->pixbuf_loader, NULL);
        res = gst_gdk_pixbuf_dec_flush (pixbuf);
        g_object_unref (G_OBJECT (pixbuf->pixbuf_loader));
        pixbuf->pixbuf_loader = NULL;
        /* as long as we don't have flow returns for event functions we need
         * to post an error here, or the application might never know that
         * things failed */
        if (res != GST_FLOW_OK && res != GST_FLOW_FLUSHING) {
          GST_ELEMENT_ERROR (pixbuf, STREAM, FAILED, (NULL),
              ("Flow: %s", gst_flow_get_name (res)));
          forward = FALSE;
          ret = FALSE;
        }
      }
      break;
    case GST_EVENT_SEGMENT:
    case GST_EVENT_FLUSH_STOP:
      if (pixbuf->pixbuf_loader != NULL) {
        gdk_pixbuf_loader_close (pixbuf->pixbuf_loader, NULL);
        g_object_unref (G_OBJECT (pixbuf->pixbuf_loader));
        pixbuf->pixbuf_loader = NULL;
      }
      break;
    default:
      break;
  }
  if (forward) {
    ret = gst_pad_event_default (pad, parent, event);
  } else {
    gst_event_unref (event);
  }
  return ret;
}

Ejemplo n.º 2

Archivo: gstgdkpixbufdec.c Proyecto: DylanZA/gst-plugins-good

static gboolean
gst_gdk_pixbuf_dec_sink_event (GstPad * pad, GstObject * parent,
    GstEvent * event)
{
  GstFlowReturn res = GST_FLOW_OK;
  gboolean ret = TRUE, forward = TRUE;
  GstGdkPixbufDec *pixbuf;

  pixbuf = GST_GDK_PIXBUF_DEC (parent);

  switch (GST_EVENT_TYPE (event)) {
    case GST_EVENT_CAPS:
    {
      GstCaps *caps;

      gst_event_parse_caps (event, &caps);
      ret = gst_gdk_pixbuf_dec_sink_setcaps (pixbuf, caps);
      forward = FALSE;
      break;
    }
    case GST_EVENT_EOS:
      if (pixbuf->pixbuf_loader != NULL) {
        gdk_pixbuf_loader_close (pixbuf->pixbuf_loader, NULL);
        res = gst_gdk_pixbuf_dec_flush (pixbuf);
        g_object_unref (G_OBJECT (pixbuf->pixbuf_loader));
        pixbuf->pixbuf_loader = NULL;
        /* as long as we don't have flow returns for event functions we need
         * to post an error here, or the application might never know that
         * things failed */
        if (res != GST_FLOW_OK && res != GST_FLOW_FLUSHING
            && res != GST_FLOW_EOS && res != GST_FLOW_NOT_LINKED) {
          GST_ELEMENT_ERROR (pixbuf, STREAM, FAILED, (NULL), ("Flow: %s",
                  gst_flow_get_name (res)));
          forward = FALSE;
          ret = FALSE;
        }
      }
      break;
    case GST_EVENT_FLUSH_STOP:
      g_list_free_full (pixbuf->pending_events,
          (GDestroyNotify) gst_event_unref);
      pixbuf->pending_events = NULL;
      /* Fall through */
    case GST_EVENT_SEGMENT:
    {
      const GstSegment *segment;
      gst_event_parse_segment (event, &segment);
      if (segment->format == GST_FORMAT_BYTES)
        pixbuf->packetized = FALSE;
      else
        pixbuf->packetized = TRUE;
      if (pixbuf->pixbuf_loader != NULL) {
        gdk_pixbuf_loader_close (pixbuf->pixbuf_loader, NULL);
        g_object_unref (G_OBJECT (pixbuf->pixbuf_loader));
        pixbuf->pixbuf_loader = NULL;
      }
      break;
    }
    default:
      break;
  }
  if (forward) {
    if (!gst_pad_has_current_caps (pixbuf->srcpad) &&
        GST_EVENT_IS_SERIALIZED (event)
        && GST_EVENT_TYPE (event) > GST_EVENT_CAPS
        && GST_EVENT_TYPE (event) != GST_EVENT_FLUSH_STOP
        && GST_EVENT_TYPE (event) != GST_EVENT_EOS) {
      ret = TRUE;
      pixbuf->pending_events = g_list_prepend (pixbuf->pending_events, event);
    } else {
      ret = gst_pad_event_default (pad, parent, event);
    }
  } else {
    gst_event_unref (event);
  }
  return ret;
}