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authorzeeshan.ali@nokia.com <zeeshan.ali@nokia.com>2007-03-29 13:36:22 +0000
committerEdward Hervey <bilboed@bilboed.com>2009-02-21 17:48:53 +0100
commitf224378822e841153d26f26b0a64871db795d25c (patch)
tree6a0587c990f03fbac5bce3d23015aab57c0a1a89 /gst
parent67c77c80298cdae2c018841989e989477161fc42 (diff)
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[MOVED FROM GST-P-FARSIGHT] set SSRC on the packets
20070329133622-65035-1be6e0aa85a71389f7d257b9cd3e13a73d6b745b.gz
Diffstat (limited to 'gst')
-rw-r--r--gst/rtpmux/gstrtpmux.c26
-rw-r--r--gst/rtpmux/gstrtpmux.h2
2 files changed, 24 insertions, 4 deletions
diff --git a/gst/rtpmux/gstrtpmux.c b/gst/rtpmux/gstrtpmux.c
index b03bd6d2..22665562 100644
--- a/gst/rtpmux/gstrtpmux.c
+++ b/gst/rtpmux/gstrtpmux.c
@@ -57,13 +57,14 @@ enum
PROP_CLOCK_RATE,
PROP_TIMESTAMP_OFFSET,
PROP_SEQNUM_OFFSET,
- PROP_SEQNUM
- /* FILL ME */
+ PROP_SEQNUM,
+ PROP_SSRC
};
#define DEFAULT_TIMESTAMP_OFFSET -1
-#define DEFAULT_SEQNUM_OFFSET -1
-#define DEFAULT_CLOCK_RATE 0
+#define DEFAULT_SEQNUM_OFFSET -1
+#define DEFAULT_SSRC -1
+#define DEFAULT_CLOCK_RATE 0
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
@@ -169,6 +170,10 @@ gst_rtp_mux_class_init (GstRTPMuxClass * klass)
g_param_spec_uint ("seqnum", "Sequence number",
"The RTP sequence number of the last processed packet",
0, G_MAXUINT, 0, G_PARAM_READABLE));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_SSRC,
+ g_param_spec_uint ("ssrc", "SSRC",
+ "The SSRC of the packets (-1 == random)",
+ 0, G_MAXUINT, DEFAULT_SSRC, G_PARAM_READWRITE));
gstelement_class->request_new_pad = gst_rtp_mux_request_new_pad;
gstelement_class->change_state = gst_rtp_mux_change_state;
@@ -186,6 +191,7 @@ gst_rtp_mux_init (GstRTPMux * rtp_mux)
"src"), "src");
gst_element_add_pad (GST_ELEMENT (rtp_mux), rtp_mux->srcpad);
+ rtp_mux->ssrc = DEFAULT_SSRC;
rtp_mux->ts_offset = DEFAULT_TIMESTAMP_OFFSET;
rtp_mux->seqnum_offset = DEFAULT_SEQNUM_OFFSET;
rtp_mux->clock_rate = DEFAULT_CLOCK_RATE;
@@ -322,6 +328,7 @@ gst_rtp_mux_chain (GstPad * pad, GstBuffer * buffer)
rtp_mux->seqnum++;
GST_LOG_OBJECT (rtp_mux, "setting RTP seqnum %d", rtp_mux->seqnum);
gst_rtp_buffer_set_seq (buffer, rtp_mux->seqnum);
+ gst_rtp_buffer_set_ssrc (buffer, rtp_mux->current_ssrc);
gst_rtp_mux_readjust_rtp_timestamp (rtp_mux, buffer);
GST_DEBUG_OBJECT (rtp_mux, "Pushing packet size %d, seq=%d, ts=%u",
GST_BUFFER_SIZE (buffer), rtp_mux->seqnum - 1);
@@ -396,6 +403,9 @@ gst_rtp_mux_get_property (GObject * object,
case PROP_SEQNUM:
g_value_set_uint (value, rtp_mux->seqnum);
break;
+ case PROP_SSRC:
+ g_value_set_uint (value, rtp_mux->ssrc);
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@@ -420,6 +430,9 @@ gst_rtp_mux_set_property (GObject * object,
case PROP_SEQNUM_OFFSET:
rtp_mux->seqnum_offset = g_value_get_int (value);
break;
+ case PROP_SSRC:
+ rtp_mux->ssrc = g_value_get_uint (value);
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@@ -438,6 +451,11 @@ gst_rtp_mux_change_state (GstElement * element, GstStateChange transition)
case GST_STATE_CHANGE_NULL_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
+ if (rtp_mux->ssrc == -1)
+ rtp_mux->current_ssrc = g_random_int ();
+ else
+ rtp_mux->current_ssrc = rtp_mux->ssrc;
+
if (rtp_mux->seqnum_offset == -1)
rtp_mux->seqnum_base = g_random_int_range (0, G_MAXUINT16);
else
diff --git a/gst/rtpmux/gstrtpmux.h b/gst/rtpmux/gstrtpmux.h
index 93dc86df..fee43055 100644
--- a/gst/rtpmux/gstrtpmux.h
+++ b/gst/rtpmux/gstrtpmux.h
@@ -62,6 +62,8 @@ struct _GstRTPMux
gint32 ts_offset;
gint16 seqnum_offset;
guint16 seqnum;
+ guint ssrc;
+ guint current_ssrc;
guint32 clock_rate;
};