C++ (Cpp) gst_aspect_ratio_crop_set_capsの例

コード例 #1

ファイル: gstaspectratiocrop.c プロジェクト: ChinnaSuhas/ossbuild

static void
gst_aspect_ratio_crop_set_property (GObject * object, guint prop_id,
    const GValue * value, GParamSpec * pspec)
{
  GstAspectRatioCrop *aspect_ratio_crop;
  gboolean recheck = FALSE;

  aspect_ratio_crop = GST_ASPECT_RATIO_CROP (object);

  GST_OBJECT_LOCK (aspect_ratio_crop);
  switch (prop_id) {
    case ARG_ASPECT_RATIO_CROP:
      if (GST_VALUE_HOLDS_FRACTION (value)) {
        aspect_ratio_crop->ar_num = gst_value_get_fraction_numerator (value);
        aspect_ratio_crop->ar_denom =
            gst_value_get_fraction_denominator (value);
        recheck = (GST_PAD_CAPS (aspect_ratio_crop->sink) != NULL);
      }
      break;
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
      break;
  }
  GST_OBJECT_UNLOCK (aspect_ratio_crop);

  if (recheck) {
    gst_aspect_ratio_crop_set_caps (aspect_ratio_crop->sink,
        GST_PAD_CAPS (aspect_ratio_crop->sink));
  }
}

コード例 #2

ファイル: gstaspectratiocrop.c プロジェクト: lubing521/gst-embedded-builder

static gboolean
gst_aspect_ratio_crop_sink_event (GstPad * pad, GstObject * parent,
    GstEvent * evt)
{
  gboolean ret;
  GstAspectRatioCrop *aspect_ratio_crop = GST_ASPECT_RATIO_CROP (parent);

  ret =
      aspect_ratio_crop->sinkpad_old_eventfunc (pad, parent,
      gst_event_ref (evt));

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

      gst_event_parse_caps (evt, &caps);
      ret = gst_aspect_ratio_crop_set_caps (aspect_ratio_crop, caps);
      break;
    }
    default:
      break;
  }
  gst_event_unref (evt);

  return ret;
}