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rtpdtmfsrc: Respect ptime from the caps

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Respect the ptime from the caps for the DTMF packets
This commit is contained in:
Olivier Crête 2011-04-14 16:49:39 -04:00 committed by Olivier Crête
parent 94f75d08af
commit e7038fd520
2 changed files with 23 additions and 27 deletions
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48
gst/dtmf/gstrtpdtmfsrc.c
View file

@ -122,9 +122,7 @@
#include "gstrtpdtmfsrc.h"
#define GST_RTP_DTMF_TYPE_EVENT 1
#define DEFAULT_PACKET_INTERVAL 50 /* ms */
#define MIN_PACKET_INTERVAL 10 /* ms */
#define MAX_PACKET_INTERVAL 50 /* ms */
#define DEFAULT_PTIME 40 /* ms */
#define DEFAULT_SSRC -1
#define DEFAULT_PT 96
#define DEFAULT_TIMESTAMP_OFFSET -1
@ -155,7 +153,6 @@ enum
PROP_CLOCK_RATE,
PROP_TIMESTAMP,
PROP_SEQNUM,
PROP_INTERVAL,
PROP_REDUNDANCY
};
@ -264,11 +261,6 @@ 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_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_INTERVAL,
g_param_spec_uint ("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_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_REDUNDANCY,
g_param_spec_uint ("packet-redundancy", "Packet Redundancy",
"Number of packets to send to indicate start and stop dtmf events",
@ -309,7 +301,7 @@ gst_rtp_dtmf_src_init (GstRTPDTMFSrc * object, GstRTPDTMFSrcClass * g_class)
object->ts_offset = DEFAULT_TIMESTAMP_OFFSET;
object->pt = DEFAULT_PT;
object->clock_rate = DEFAULT_CLOCK_RATE;
object->interval = DEFAULT_PACKET_INTERVAL;
object->ptime = DEFAULT_PTIME;
object->packet_redundancy = DEFAULT_PACKET_REDUNDANCY;
object->event_queue =
@ -448,9 +440,6 @@ gst_rtp_dtmf_src_set_property (GObject * object, guint prop_id,
dtmfsrc->pt = g_value_get_uint (value);
dtmfsrc->dirty = TRUE;
break;
case PROP_INTERVAL:
dtmfsrc->interval = g_value_get_uint (value);
break;
case PROP_REDUNDANCY:
dtmfsrc->packet_redundancy = g_value_get_uint (value);
break;
@ -490,9 +479,6 @@ 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;
@ -537,7 +523,7 @@ gst_rtp_dtmf_src_add_start_event (GstRTPDTMFSrc * dtmfsrc, gint event_number,
event->payload = g_slice_new0 (GstRTPDTMFPayload);
event->payload->event = CLAMP (event_number, MIN_EVENT, MAX_EVENT);
event->payload->volume = CLAMP (event_volume, MIN_VOLUME, MAX_VOLUME);
event->payload->duration = dtmfsrc->interval * dtmfsrc->clock_rate / 1000;
event->payload->duration = dtmfsrc->ptime * dtmfsrc->clock_rate / 1000;
g_async_queue_push (dtmfsrc->event_queue, event);
}
@ -584,7 +570,7 @@ gst_rtp_dtmf_prepare_buffer_data (GstRTPDTMFSrc * dtmfsrc, GstBuffer * buf)
if (dtmfsrc->redundancy_count > 1)
GST_BUFFER_DURATION (buf) = 0;
else
GST_BUFFER_DURATION (buf) = dtmfsrc->interval * GST_MSECOND;
GST_BUFFER_DURATION (buf) = dtmfsrc->ptime * GST_MSECOND;
GST_BUFFER_TIMESTAMP (buf) = dtmfsrc->timestamp;
dtmfsrc->timestamp += GST_BUFFER_DURATION (buf);
@ -593,12 +579,6 @@ gst_rtp_dtmf_prepare_buffer_data (GstRTPDTMFSrc * dtmfsrc, GstBuffer * buf)
/* copy payload and convert to network-byte order */
g_memmove (payload, dtmfsrc->payload, sizeof (GstRTPDTMFPayload));
/* Force the packet duration to a certain minumum
* if its the end of the event
*/
if (payload->e &&
payload->duration < MIN_PULSE_DURATION * dtmfsrc->clock_rate / 1000)
payload->duration = MIN_PULSE_DURATION * dtmfsrc->clock_rate / 1000;
payload->duration = g_htons (payload->duration);
@ -606,8 +586,7 @@ gst_rtp_dtmf_prepare_buffer_data (GstRTPDTMFSrc * dtmfsrc, GstBuffer * buf)
/* duration of DTMF payloadfor the NEXT packet */
/* not updated for redundant packets */
if (dtmfsrc->redundancy_count == 0)
dtmfsrc->payload->duration +=
dtmfsrc->interval * dtmfsrc->clock_rate / 1000;
dtmfsrc->payload->duration += dtmfsrc->ptime * dtmfsrc->clock_rate / 1000;
}
@ -920,6 +899,23 @@ gst_rtp_dtmf_src_negotiate (GstBaseSrc * basesrc)
GST_LOG_OBJECT (dtmfsrc, "using internal seqnum-base %u",
dtmfsrc->seqnum_base);
}
if (gst_structure_has_field_typed (s, "ptime", G_TYPE_UINT)) {
value = gst_structure_get_value (s, "ptime");
dtmfsrc->ptime = g_value_get_uint (value);
GST_LOG_OBJECT (dtmfsrc, "using peer ptime %u", dtmfsrc->ptime);
} else if (gst_structure_has_field_typed (s, "maxptime", G_TYPE_UINT)) {
value = gst_structure_get_value (s, "maxptime");
dtmfsrc->ptime = g_value_get_uint (value);
GST_LOG_OBJECT (dtmfsrc, "using peer maxptime as ptime %u",
dtmfsrc->ptime);
} else {
/* FIXME, fixate_nearest_uint would be even better */
gst_structure_set (s, "ptime", G_TYPE_UINT, dtmfsrc->ptime, NULL);
GST_LOG_OBJECT (dtmfsrc, "using internal ptime %u", dtmfsrc->ptime);
}
GST_DEBUG_OBJECT (dtmfsrc, "with peer caps: %" GST_PTR_FORMAT, srccaps);
}

2
gst/dtmf/gstrtpdtmfsrc.h
View file

@ -90,7 +90,7 @@ struct _GstRTPDTMFSrc
guint pt;
guint ssrc;
guint current_ssrc;
guint16 interval;
guint16 ptime;
guint16 packet_redundancy;
guint32 clock_rate;