9.2/sources/gst-plugins/gst-nvdsbins/gstnvdsbinutils.h File Reference

Go to the source code of this file.

Data Structures
class	GstObjectUPtr< T >
class	GstCapsUPtr

Macros
#define	NVGSTDS_ELEM_ADD_PROBE(parent_elem, elem, pad, probe_func, probe_type, probe_data)
#define	NVGSTDS_LINK_ELEMENT(elem1, elem2, ...)
#define	NVGSTDS_BIN_ADD_GHOST_PAD(bin, elem, pad, ...)
#define	NVGSTDS_BIN_SET_GHOST_PAD_TARGET(bin, bin_pad, target, target_pad_name, ...)

Typedefs
using	GstPadUPtr = GstObjectUPtr< GstPad >

Functions
static void	forward_select_properties (GObjectClass *parent_elem_class, const gchar *(*property_name_map)[2], guint map_size, GType child_elem_type, guint *prop_index, GPtrArray *orig_prop_names_ordered)
static void	forward_properties (GObjectClass *parent_elem_class, GType child_elem_type, guint *prop_id=NULL)
static void	forward_pad_template (GstElementClass *bin_class, GType child_elem_type, const gchar *child_tmpl_name, const gchar *pad_tmpl_name=nullptr)
static void	remove_all_children (GstBin *bin)

Macro Definition Documentation

NVGSTDS_BIN_ADD_GHOST_PAD

#define NVGSTDS_BIN_ADD_GHOST_PAD	(		bin,
			elem,
			pad,
			...
	)

Value:

  do { \
    GstPadUPtr gstpad = gst_element_get_static_pad (elem, pad); \
    if (!gstpad) { \
      GST_ELEMENT_ERROR(bin, STREAM, FAILED, ("Could not find '%s' in '%s'", pad, \
          GST_ELEMENT_NAME(elem)), (NULL)); \
      return __VA_ARGS__; \
    } \
    GstElementClass *klass = GST_ELEMENT_GET_CLASS(bin); \
    GstPadTemplate *tmpl = gst_element_class_get_pad_template(klass, pad); \
    gst_element_add_pad (bin, gst_ghost_pad_new_from_template (pad, gstpad, tmpl)); \
  } while (0)

Definition at line 275 of file 9.2/sources/gst-plugins/gst-nvdsbins/gstnvdsbinutils.h.

NVGSTDS_BIN_SET_GHOST_PAD_TARGET

#define NVGSTDS_BIN_SET_GHOST_PAD_TARGET	(		bin,
			bin_pad,
			target,
			target_pad_name,
			...
	)

Value:

  do { \
    GstPadUPtr pad = gst_element_get_static_pad (target, target_pad_name); \
    if (!pad) { \
      GST_ELEMENT_ERROR(bin, STREAM, FAILED, ("Could not find '%s' in '%s'", target_pad_name, \
          GST_ELEMENT_NAME(target)), (NULL)); \
      return __VA_ARGS__; \
    } \
    if (!gst_ghost_pad_set_target (GST_GHOST_PAD \
            (bin_pad), pad)) { \
      GST_ELEMENT_ERROR (bin, RESOURCE, NOT_FOUND, \
          ("Failed to set '%s' as target of '%s' pad", \
              GST_ELEMENT_NAME (target), \
              GST_PAD_NAME (bin_pad)), (NULL)); \
      return __VA_ARGS__; \
    } \
  } while (0)

Definition at line 288 of file 9.2/sources/gst-plugins/gst-nvdsbins/gstnvdsbinutils.h.

NVGSTDS_ELEM_ADD_PROBE

#define NVGSTDS_ELEM_ADD_PROBE	(		parent_elem,
			elem,
			pad,
			probe_func,
			probe_type,
			probe_data
	)

Value:

    ({ \
      gulong probe_id = 0; \
      GstPad *gstpad = gst_element_get_static_pad (elem, pad); \
      if (!gstpad) { \
        GST_ELEMENT_ERROR(parent_elem, RESOURCE, FAILED, \
            ("Could not find '%s' in '%s'", pad, \
            GST_ELEMENT_NAME(elem)), (NULL)); \
      } else { \
        probe_id = gst_pad_add_probe(gstpad, (GstPadProbeType) (probe_type), probe_func, probe_data, NULL); \
        gst_object_unref (gstpad); \
      } \
      probe_id; \
    })

Definition at line 244 of file 9.2/sources/gst-plugins/gst-nvdsbins/gstnvdsbinutils.h.

NVGSTDS_LINK_ELEMENT

#define NVGSTDS_LINK_ELEMENT	(		elem1,
			elem2,
			...
	)

Value:

    ({ \
      if (!gst_element_link (elem1,elem2)) { \
        GstCaps * src_caps, *sink_caps; \
        src_caps = gst_pad_query_caps ((GstPad *) (elem1)->srcpads->data, NULL); \
        sink_caps = gst_pad_query_caps ((GstPad *) (elem2)->sinkpads->data, NULL); \
        GST_ELEMENT_ERROR (GST_ELEMENT_PARENT(elem1), STREAM, FAILED, \
            ("Failed to link '%s' (%s) and '%s' (%s)", \
                GST_ELEMENT_NAME (elem1), \
                gst_caps_to_string (src_caps), \
                GST_ELEMENT_NAME (elem2), \
                gst_caps_to_string (sink_caps)), (NULL)); \
        return __VA_ARGS__; \
      } \
    })

Definition at line 259 of file 9.2/sources/gst-plugins/gst-nvdsbins/gstnvdsbinutils.h.

Typedef Documentation

GstPadUPtr

using GstPadUPtr = GstObjectUPtr <GstPad>

Definition at line 242 of file 9.2/sources/gst-plugins/gst-nvdsbins/gstnvdsbinutils.h.

Function Documentation

forward_pad_template()

static void forward_pad_template ( GstElementClass *  bin_class, GType  child_elem_type, const gchar *  child_tmpl_name, const gchar *  pad_tmpl_name = nullptr  )

inlinestatic

Definition at line 214 of file 9.2/sources/gst-plugins/gst-nvdsbins/gstnvdsbinutils.h.

forward_properties()

static void forward_properties ( GObjectClass *  parent_elem_class, GType  child_elem_type, guint *  prop_id = NULL  )

inlinestatic

Definition at line 122 of file 9.2/sources/gst-plugins/gst-nvdsbins/gstnvdsbinutils.h.

References FALSE.

forward_select_properties()

static void forward_select_properties ( GObjectClass *  parent_elem_class, const gchar *(*)  property_name_map[2], guint  map_size, GType  child_elem_type, guint *  prop_index, GPtrArray *  orig_prop_names_ordered  )

inlinestatic

Definition at line 26 of file 9.2/sources/gst-plugins/gst-nvdsbins/gstnvdsbinutils.h.

References FALSE.

remove_all_children()

static void remove_all_children ( GstBin *  bin )

inlinestatic

Definition at line 307 of file 9.2/sources/gst-plugins/gst-nvdsbins/gstnvdsbinutils.h.