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[MOVED FROM GST-P-FARSIGHT] Add redundancy and interval properties to rtpdtmfsrc (patch by SP GLE <spglegle@yahoo.fr>)

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20070424193155-3e2dc-66688001e7b529c46f108633cd9520347c3c8c3e.gz
This commit is contained in:
Olivier Crete 2007-04-24 19:31:55 +00:00 committed by Edward Hervey
parent eb74905991
commit 2a8042fa72
2 changed files with 70 additions and 12 deletions
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79
gst/rtpdtmf/gstrtpdtmfsrc.c
View file

@ -130,7 +130,9 @@
#include "gstrtpdtmfsrc.h"
#define GST_RTP_DTMF_TYPE_EVENT 1
#define DEFAULT_PACKET_INTERVAL ((guint16) 50) /* ms */
#define DEFAULT_PACKET_INTERVAL 50 /* ms */
#define MIN_PACKET_INTERVAL 10 /* ms */
#define MAX_PACKET_INTERVAL 50 /* ms */
#define DEFAULT_SSRC -1
#define DEFAULT_PT 96
#define DEFAULT_TIMESTAMP_OFFSET -1
@ -143,6 +145,10 @@
#define MIN_VOLUME 0
#define MAX_VOLUME 36
#define DEFAULT_PACKET_REDUNDANCY 1
#define MIN_PACKET_REDUNDANCY 1
#define MAX_PACKET_REDUNDANCY 5
/* elementfactory information */
static const GstElementDetails gst_rtp_dtmf_src_details =
GST_ELEMENT_DETAILS ("RTP DTMF packet generator",
@ -169,7 +175,9 @@ enum
PROP_PT,
PROP_CLOCK_RATE,
PROP_TIMESTAMP,
PROP_SEQNUM
PROP_SEQNUM,
PROP_INTERVAL,
PROP_REDUNDANCY
};
static GstStaticPadTemplate gst_rtp_dtmf_src_template =
@ -289,6 +297,15 @@ gst_rtp_dtmf_src_class_init (GstRTPDTMFSrcClass * klass)
g_param_spec_uint ("pt", "payload type",
"The payload type of the packets",
0, 0x80, DEFAULT_PT, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_INTERVAL,
g_param_spec_int ("interval", "Interval between rtp packets",
"Interval in ms between two rtp packets", MIN_PACKET_INTERVAL,
MAX_PACKET_INTERVAL, DEFAULT_PACKET_INTERVAL, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_REDUNDANCY,
g_param_spec_int ("packet-redundancy", "Packet Redundancy",
"Number of packets to send to indicate start and stop dtmf events",
MIN_PACKET_REDUNDANCY, MAX_PACKET_REDUNDANCY,
DEFAULT_PACKET_REDUNDANCY, G_PARAM_READWRITE));
gstelement_class->change_state =
GST_DEBUG_FUNCPTR (gst_rtp_dtmf_src_change_state);
@ -309,6 +326,9 @@ gst_rtp_dtmf_src_init (GstRTPDTMFSrc * dtmfsrc, gpointer g_class)
dtmfsrc->ts_offset = DEFAULT_TIMESTAMP_OFFSET;
dtmfsrc->pt = DEFAULT_PT;
dtmfsrc->clock_rate = DEFAULT_CLOCK_RATE;
dtmfsrc->payload = NULL;
dtmfsrc->interval = DEFAULT_PACKET_INTERVAL;
dtmfsrc->packet_redundancy = DEFAULT_PACKET_REDUNDANCY;
GST_DEBUG_OBJECT (dtmfsrc, "init done");
}
@ -457,6 +477,12 @@ gst_rtp_dtmf_src_set_property (GObject * object, guint prop_id,
dtmfsrc->pt = g_value_get_uint (value);
gst_rtp_dtmf_src_set_caps (dtmfsrc);
break;
case PROP_INTERVAL :
dtmfsrc->interval = g_value_get_int (value);
break;
case PROP_REDUNDANCY :
dtmfsrc->packet_redundancy = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -493,6 +519,12 @@ gst_rtp_dtmf_src_get_property (GObject * object, guint prop_id, GValue * value,
case PROP_SEQNUM:
g_value_set_uint (value, dtmfsrc->seqnum);
break;
case PROP_INTERVAL:
g_value_set_uint (value, dtmfsrc->interval);
break;
case PROP_REDUNDANCY:
g_value_set_uint (value, dtmfsrc->packet_redundancy);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -616,7 +648,7 @@ gst_rtp_dtmf_prepare_rtp_headers (GstRTPDTMFSrc *dtmfsrc, GstBuffer *buf)
/* timestamp of RTP header */
gst_rtp_buffer_set_timestamp (buf, dtmfsrc->rtp_timestamp);
dtmfsrc->rtp_timestamp +=
DEFAULT_PACKET_INTERVAL * dtmfsrc->clock_rate / 1000;
dtmfsrc->interval * dtmfsrc->clock_rate / 1000;
}
static void
@ -628,10 +660,10 @@ gst_rtp_dtmf_prepare_buffer_data (GstRTPDTMFSrc *dtmfsrc, GstBuffer *buf)
/* duration of DTMF payload */
dtmfsrc->payload->duration +=
DEFAULT_PACKET_INTERVAL * dtmfsrc->clock_rate / 1000;
dtmfsrc->interval * dtmfsrc->clock_rate / 1000;
/* timestamp and duration of GstBuffer */
GST_BUFFER_DURATION (buf) = DEFAULT_PACKET_INTERVAL * GST_MSECOND;
GST_BUFFER_DURATION (buf) = dtmfsrc->interval * GST_MSECOND;
GST_BUFFER_TIMESTAMP (buf) = dtmfsrc->timestamp;
dtmfsrc->timestamp += GST_BUFFER_DURATION (buf);
@ -666,17 +698,40 @@ gst_rtp_dtmf_src_push_next_rtp_packet (GstRTPDTMFSrc *dtmfsrc)
{
GstBuffer *buf = NULL;
GstFlowReturn ret;
gint redundancy_count = 1;
if (dtmfsrc->first_packet == TRUE || dtmfsrc->payload->e) {
redundancy_count = dtmfsrc->packet_redundancy;
if(dtmfsrc->first_packet == TRUE) {
GST_DEBUG_OBJECT (dtmfsrc,
"redundancy count set to %d due to dtmf start",
redundancy_count);
}
if(dtmfsrc->payload->e) {
GST_DEBUG_OBJECT (dtmfsrc,
"redundancy count set to %d due to dtmf stop",
redundancy_count);
}
}
/* create buffer to hold the payload */
buf = gst_rtp_dtmf_src_create_next_rtp_packet (dtmfsrc);
GST_DEBUG_OBJECT (dtmfsrc,
"pushing buffer on src pad of size %d", GST_BUFFER_SIZE (buf));
ret = gst_pad_push (dtmfsrc->srcpad, buf);
if (ret != GST_FLOW_OK)
GST_ERROR_OBJECT (dtmfsrc,
"Failed to push buffer on src pad", GST_BUFFER_SIZE (buf));
while ( redundancy_count-- ) {
gst_buffer_ref(buf);
GST_DEBUG_OBJECT (dtmfsrc,
"pushing buffer on src pad of size %d with redundancy count %d",
GST_BUFFER_SIZE (buf), redundancy_count);
ret = gst_pad_push (dtmfsrc->srcpad, buf);
if (ret != GST_FLOW_OK)
GST_ERROR_OBJECT (dtmfsrc,
"Failed to push buffer on src pad", GST_BUFFER_SIZE (buf));
}
gst_buffer_unref(buf);
GST_DEBUG_OBJECT (dtmfsrc,
"pushed DTMF event '%d' on src pad", dtmfsrc->payload->event);
}

3
gst/rtpdtmf/gstrtpdtmfsrc.h
View file

@ -84,6 +84,9 @@ struct _GstRTPDTMFSrc {
GstClockTime timestamp;
GstSegment segment;
guint16 interval;
guint16 packet_redundancy;
};
struct _GstRTPDTMFSrcClass {