C++ (Cpp) gst_base_transform_reconfigure Examples

Example #1

File: gstcapssetter.c Project: bilboed/gst-plugins-bad

static void
gst_caps_setter_set_property (GObject * object, guint prop_id,
    const GValue * value, GParamSpec * pspec)
{
  GstCapsSetter *filter;

  g_return_if_fail (GST_IS_CAPS_SETTER (object));
  filter = GST_CAPS_SETTER (object);

  switch (prop_id) {
    case PROP_CAPS:{
      GstCaps *new_caps;
      const GstCaps *new_caps_val = gst_value_get_caps (value);
      gint i;

      if (new_caps_val == NULL) {
        new_caps = gst_caps_new_any ();
      } else {
        new_caps = gst_caps_copy (new_caps_val);
      }

      for (i = 0; new_caps && (i < gst_caps_get_size (new_caps)); ++i) {
        GstStructure *s;

        s = gst_caps_get_structure (new_caps, i);
        if (!gst_structure_foreach (s, gst_caps_is_fixed_foreach, NULL)) {
          GST_ERROR_OBJECT (filter, "rejected unfixed caps: %" GST_PTR_FORMAT,
              new_caps);
          gst_caps_unref (new_caps);
          new_caps = NULL;
          break;
        }
      }

      if (new_caps) {
        GST_OBJECT_LOCK (filter);
        gst_caps_replace (&filter->caps, new_caps);
        /* drop extra ref */
        gst_caps_unref (new_caps);
        GST_OBJECT_UNLOCK (filter);

        GST_DEBUG_OBJECT (filter, "set new caps %" GST_PTR_FORMAT, new_caps);
      }

      /* try to activate these new caps next time around */
      gst_base_transform_reconfigure (GST_BASE_TRANSFORM (filter));
      break;
    }
    case PROP_JOIN:
      filter->join = g_value_get_boolean (value);
      break;
    case PROP_REPLACE:
      filter->replace = g_value_get_boolean (value);
      break;
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
      break;
  }
}

Example #2

static void
gst_video_rate_set_property (GObject * object,
    guint prop_id, const GValue * value, GParamSpec * pspec)
{
  GstVideoRate *videorate = GST_VIDEO_RATE (object);

  GST_OBJECT_LOCK (videorate);
  switch (prop_id) {
    case ARG_SILENT:
      videorate->silent = g_value_get_boolean (value);
      break;
    case ARG_NEW_PREF:
      videorate->new_pref = g_value_get_double (value);
      break;
    case ARG_SKIP_TO_FIRST:
      videorate->skip_to_first = g_value_get_boolean (value);
      break;
    case ARG_DROP_ONLY:
      videorate->drop_only = g_value_get_boolean (value);
      goto reconfigure;
      break;
    case ARG_AVERAGE_PERIOD:
      videorate->average_period_set = g_value_get_uint64 (value);
      break;
    case ARG_MAX_RATE:
      g_atomic_int_set (&videorate->max_rate, g_value_get_int (value));
      goto reconfigure;
      break;
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
      break;
  }
  GST_OBJECT_UNLOCK (videorate);
  return;

reconfigure:
  GST_OBJECT_UNLOCK (videorate);
  gst_base_transform_reconfigure (GST_BASE_TRANSFORM (videorate));
}

Example #3

File: gstvideoscale.c Project: ChinnaSuhas/ossbuild

static void
gst_video_scale_set_property (GObject * object, guint prop_id,
    const GValue * value, GParamSpec * pspec)
{
  GstVideoScale *vscale = GST_VIDEO_SCALE (object);

  switch (prop_id) {
    case PROP_METHOD:
      GST_OBJECT_LOCK (vscale);
      vscale->method = g_value_get_enum (value);
      GST_OBJECT_UNLOCK (vscale);
      break;
    case PROP_ADD_BORDERS:
      GST_OBJECT_LOCK (vscale);
      vscale->add_borders = g_value_get_boolean (value);
      GST_OBJECT_UNLOCK (vscale);
      gst_base_transform_reconfigure (GST_BASE_TRANSFORM_CAST (vscale));
      break;
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
      break;
  }
}

Example #4

File: gstvideoflip.c Project: rosciio/gst-plugins-good

static void
gst_video_flip_set_property (GObject * object, guint prop_id,
    const GValue * value, GParamSpec * pspec)
{
  GstVideoFlip *videoflip = GST_VIDEO_FLIP (object);

  switch (prop_id) {
    case PROP_METHOD:
    {
      GstVideoFlipMethod method;

      method = g_value_get_enum (value);
      GST_OBJECT_LOCK (videoflip);
      if (method != videoflip->method) {
        GstBaseTransform *btrans = GST_BASE_TRANSFORM (videoflip);

        GST_DEBUG_OBJECT (videoflip, "Changing method from %s to %s",
            video_flip_methods[videoflip->method].value_nick,
            video_flip_methods[method].value_nick);

        videoflip->method = method;
        GST_OBJECT_UNLOCK (videoflip);

        gst_base_transform_set_passthrough (btrans,
            method == GST_VIDEO_FLIP_METHOD_IDENTITY);
        gst_base_transform_reconfigure (btrans);
      } else {
        GST_OBJECT_UNLOCK (videoflip);
      }
    }
      break;
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
      break;
  }
}