GstMeta for RTP

GstMeta for RTP — RTP related GstMeta

Functions

Types and Values

Includes

#include <gst/rtp/rtp.h>

Description

Functions

gst_buffer_add_rtp_source_meta ()

GstRTPSourceMeta *
gst_buffer_add_rtp_source_meta (GstBuffer *buffer,
                                const guint32 *ssrc,
                                const guint32 *csrc,
                                guint csrc_count);

Attaches RTP source information to buffer .

Parameters

buffer

a GstBuffer

 

ssrc

pointer to the SSRC.

[allow-none][transfer none]

csrc

pointer to the CSRCs.

[allow-none][transfer none]

csrc_count

number of elements in csrc

 

Returns

the GstRTPSourceMeta on buffer .

[transfer none]

Since: 1.16


gst_buffer_get_rtp_source_meta ()

GstRTPSourceMeta *
gst_buffer_get_rtp_source_meta (GstBuffer *buffer);

Find the GstRTPSourceMeta on buffer .

Parameters

buffer

a GstBuffer

 

Returns

the GstRTPSourceMeta or NULL when there is no such metadata on buffer .

[transfer none]

Since: 1.16


gst_rtp_source_meta_append_csrc ()

gboolean
gst_rtp_source_meta_append_csrc (GstRTPSourceMeta *meta,
                                 const guint32 *csrc,
                                 guint csrc_count);

Appends csrc to the list of contributing sources in meta .

Parameters

meta

a GstRTPSourceMeta

 

csrc

the csrcs to append

 

csrc_count

number of elements in csrc

 

Returns

TRUE if all elements in csrc was added, FALSE otherwise.

Since: 1.16


gst_rtp_source_meta_get_info ()

const GstMetaInfo *
gst_rtp_source_meta_get_info (void);

gst_rtp_source_meta_get_source_count ()

guint
gst_rtp_source_meta_get_source_count (const GstRTPSourceMeta *meta);

Count the total number of RTP sources found in meta , both SSRC and CSRC.

Parameters

meta

a GstRTPSourceMeta

 

Returns

The number of RTP sources

Since: 1.16


gst_rtp_source_meta_set_ssrc ()

gboolean
gst_rtp_source_meta_set_ssrc (GstRTPSourceMeta *meta,
                              guint32 *ssrc);

Sets ssrc in meta . If ssrc is NULL the ssrc of meta will be unset.

Parameters

meta

a GstRTPSourceMeta

 

ssrc

pointer to the SSRC.

[allow-none][transfer none]

Returns

TRUE on success, FALSE otherwise.

Since: 1.16

Types and Values

struct GstRTPSourceMeta

struct GstRTPSourceMeta {
  GstMeta meta;

  guint32 ssrc;
  gboolean ssrc_valid;
  guint32 csrc[GST_RTP_SOURCE_META_MAX_CSRC_COUNT];
  guint csrc_count;
};

Meta describing the source(s) of the buffer.

Members

GstMeta meta;

parent GstMeta

 

guint32 ssrc;

the SSRC

 

gboolean ssrc_valid;

whether ssrc is set and valid

 

guint32 csrc[GST_RTP_SOURCE_META_MAX_CSRC_COUNT];

pointer to the CSRCs.

[allow-none]

guint csrc_count;

number of elements in csrc

 

Since: 1.16


GST_RTP_SOURCE_META_MAX_CSRC_COUNT

#define GST_RTP_SOURCE_META_MAX_CSRC_COUNT 15