deepstream_common.h File Reference

Go to the source code of this file.

Macros
#define	NVGSTDS_ERR_MSG_V(msg, ...)   g_print("** ERROR: <%s:%d>: " msg "\n", __func__, __LINE__, ##__VA_ARGS__)
#define	NVGSTDS_INFO_MSG_V(msg, ...)   g_print("** INFO: <%s:%d>: " msg "\n", __func__, __LINE__, ##__VA_ARGS__)
#define	NVGSTDS_WARN_MSG_V(msg, ...)   g_print("** WARN: <%s:%d>: " msg "\n", __func__, __LINE__, ##__VA_ARGS__)
#define	NVGSTDS_LINK_ELEMENT(elem1, elem2)
#define	NVGSTDS_LINK_ELEMENT_FULL(elem1, elem1_pad_name, elem2, elem2_pad_name)
#define	NVGSTDS_BIN_ADD_GHOST_PAD_NAMED(bin, elem, pad, ghost_pad_name)
#define	NVGSTDS_BIN_ADD_GHOST_PAD(bin, elem, pad)   NVGSTDS_BIN_ADD_GHOST_PAD_NAMED (bin, elem, pad, pad)
#define	NVGSTDS_ELEM_ADD_PROBE(probe_id, elem, pad, probe_func, probe_type, probe_data)
#define	NVGSTDS_ELEM_REMOVE_PROBE(probe_id, elem, pad)
#define	GET_FILE_PATH(path)   ((path) + (((path) && strstr ((path), "file://")) ? 7 : 0))

Functions
gboolean	link_element_to_tee_src_pad (GstElement *tee, GstElement *sinkelem)
	Function to link sink pad of an element to source pad of tee. More...
gboolean	link_element_to_streammux_sink_pad (GstElement *streammux, GstElement *elem, gint index)
	Function to link source pad of an element to sink pad of muxer element. More...
gboolean	unlink_element_from_streammux_sink_pad (GstElement *streammux, GstElement *elem)
	Function to unlink source pad of an element from sink pad of muxer element. More...
gboolean	link_element_to_demux_src_pad (GstElement *demux, GstElement *elem, guint index)
	Function to link sink pad of an element to source pad of demux element. More...
void	str_replace (gchar *str, const gchar *replace, const gchar *replace_with)

Macro Definition Documentation

GET_FILE_PATH

#define GET_FILE_PATH

(

path

)

((path) + (((path) && strstr ((path), "file://")) ? 7 : 0))

Definition at line 121 of file deepstream_common.h.

NVGSTDS_BIN_ADD_GHOST_PAD

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

Definition at line 91 of file deepstream_common.h.

NVGSTDS_BIN_ADD_GHOST_PAD_NAMED

#define NVGSTDS_BIN_ADD_GHOST_PAD_NAMED	(		bin,
			elem,
			pad,
			ghost_pad_name
	)

Value:

  do { \
    GstPad *gstpad = gst_element_get_static_pad (elem, pad); \
    if (!gstpad) { \
      NVGSTDS_ERR_MSG_V ("Could not find '%s' in '%s'", pad, \
          GST_ELEMENT_NAME(elem)); \
      goto done; \
    } \
    gst_element_add_pad (bin, gst_ghost_pad_new (ghost_pad_name, gstpad)); \
    gst_object_unref (gstpad); \
  } while (0)

Definition at line 79 of file deepstream_common.h.

NVGSTDS_ELEM_ADD_PROBE

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

Value:

    do { \
      GstPad *gstpad = gst_element_get_static_pad (elem, pad); \
      if (!gstpad) { \
        NVGSTDS_ERR_MSG_V ("Could not find '%s' in '%s'", pad, \
            GST_ELEMENT_NAME(elem)); \
        goto done; \
      } \
      probe_id = gst_pad_add_probe(gstpad, (probe_type), probe_func, probe_data, NULL); \
      gst_object_unref (gstpad); \
    } while (0)

Definition at line 94 of file deepstream_common.h.

NVGSTDS_ELEM_REMOVE_PROBE

#define NVGSTDS_ELEM_REMOVE_PROBE	(		probe_id,
			elem,
			pad
	)

Value:

    do { \
      if (probe_id == 0 || !elem) { \
          break; \
      } \
      GstPad *gstpad = gst_element_get_static_pad (elem, pad); \
      if (!gstpad) { \
        NVGSTDS_ERR_MSG_V ("Could not find '%s' in '%s'", pad, \
            GST_ELEMENT_NAME(elem)); \
        break; \
      } \
      gst_pad_remove_probe(gstpad, probe_id); \
      gst_object_unref (gstpad); \
    } while (0)

Definition at line 106 of file deepstream_common.h.

NVGSTDS_ERR_MSG_V

#define NVGSTDS_ERR_MSG_V	(		msg,
			...
	)		g_print("** ERROR: <%s:%d>: " msg "\n", __func__, __LINE__, ##__VA_ARGS__)

Definition at line 35 of file deepstream_common.h.

NVGSTDS_INFO_MSG_V

#define NVGSTDS_INFO_MSG_V	(		msg,
			...
	)		g_print("** INFO: <%s:%d>: " msg "\n", __func__, __LINE__, ##__VA_ARGS__)

Definition at line 38 of file deepstream_common.h.

NVGSTDS_LINK_ELEMENT

#define NVGSTDS_LINK_ELEMENT	(		elem1,
			elem2
	)

Value:

    do { \
      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); \
        NVGSTDS_ERR_MSG_V ("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)); \
        goto done; \
      } \
    } while (0)

Definition at line 44 of file deepstream_common.h.

NVGSTDS_LINK_ELEMENT_FULL

#define NVGSTDS_LINK_ELEMENT_FULL	(		elem1,
			elem1_pad_name,
			elem2,
			elem2_pad_name
	)

Value:

  do { \
    GstPad *elem1_pad = gst_element_get_static_pad(elem1, elem1_pad_name); \
    GstPad *elem2_pad = gst_element_get_static_pad(elem2, elem2_pad_name); \
    GstPadLinkReturn ret = gst_pad_link (elem1_pad,elem2_pad); \
    if (ret != GST_PAD_LINK_OK) { \
      gchar *n1 = gst_pad_get_name (elem1_pad); \
      gchar *n2 = gst_pad_get_name (elem2_pad); \
      NVGSTDS_ERR_MSG_V ("Failed to link '%s' and '%s': %d", \
          n1, n2, ret); \
      g_free (n1); \
      g_free (n2); \
      gst_object_unref (elem1_pad); \
      gst_object_unref (elem2_pad); \
      goto done; \
    } \
    gst_object_unref (elem1_pad); \
    gst_object_unref (elem2_pad); \
  } while (0)

Definition at line 59 of file deepstream_common.h.

NVGSTDS_WARN_MSG_V

#define NVGSTDS_WARN_MSG_V	(		msg,
			...
	)		g_print("** WARN: <%s:%d>: " msg "\n", __func__, __LINE__, ##__VA_ARGS__)

Definition at line 41 of file deepstream_common.h.

Function Documentation

link_element_to_demux_src_pad()

gboolean link_element_to_demux_src_pad	(	GstElement *	demux,
		GstElement *	elem,
		guint	index
	)

Function to link sink pad of an element to source pad of demux element.

Parameters

[in]	demux	demuxer element.
[in]	elem	downstream element.
[in]	index	pad index of demuxer element.

Returns

true if link successful.

link_element_to_streammux_sink_pad()

gboolean link_element_to_streammux_sink_pad	(	GstElement *	streammux,
		GstElement *	elem,
		gint	index
	)

Function to link source pad of an element to sink pad of muxer element.

Parameters

[in]	streammux	muxer element.
[in]	elem	upstream element.
[in]	index	pad index of muxer element.

Returns

true if link successful.

link_element_to_tee_src_pad()

gboolean link_element_to_tee_src_pad	(	GstElement *	tee,
		GstElement *	sinkelem
	)

Function to link sink pad of an element to source pad of tee.

Parameters

[in]	tee	Tee element.
[in]	sinkelem	downstream element.

Returns

true if link successful.

str_replace()

void str_replace	(	gchar *	str,
		const gchar *	replace,
		const gchar *	replace_with
	)

unlink_element_from_streammux_sink_pad()

gboolean unlink_element_from_streammux_sink_pad	(	GstElement *	streammux,
		GstElement *	elem
	)

Function to unlink source pad of an element from sink pad of muxer element.

Parameters

[in]	streammux	muxer element.
[in]	elem	upstream element.

Returns

true if unlinking was successful.