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basertppay: add property to disable perfect RTP time

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Add a property to disable the generation of perfect RTP timestamps. By default
it is active.

API: GstBaseRTPPayload::perfect-rtptime
This commit is contained in:
Wim Taymans 2009-09-03 11:29:23 +02:00
parent 3a4edea56d
commit 50b9640d01
1 changed files with 28 additions and 2 deletions
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30
gst-libs/gst/rtp/gstbasertppayload.c
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@ -45,6 +45,7 @@ struct _GstBaseRTPPayloadPrivate
gboolean seqnum_offset_random;
gboolean ssrc_random;
guint16 next_seqnum;
gboolean perfect_rtptime;
};
/* BaseRTPPayload signals and args */
@ -67,6 +68,7 @@ enum
#define DEFAULT_SEQNUM_OFFSET -1
#define DEFAULT_MAX_PTIME -1
#define DEFAULT_MIN_PTIME 0
#define DEFAULT_PERFECT_RTPTIME TRUE
enum
{
@ -79,7 +81,9 @@ enum
PROP_MAX_PTIME,
PROP_MIN_PTIME,
PROP_TIMESTAMP,
PROP_SEQNUM
PROP_SEQNUM,
PROP_PERFECT_RTPTIME,
PROP_LAST
};
static void gst_basertppayload_class_init (GstBaseRTPPayloadClass * klass);
@ -204,6 +208,21 @@ gst_basertppayload_class_init (GstBaseRTPPayloadClass * klass)
"The RTP sequence number of the last processed packet",
0, G_MAXUINT16, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
/**
* GstBaseRTPAudioPayload:perfect-rtptime:
*
* Try to use the offset fields to generate perfect RTP timestamps. when this
* option is disabled, RTP timestamps are generated from the GStreamer
* timestamps, which could result in RTP timestamps that don't increment with
* the amount of data in the packet.
*
* Since: 0.10.25
*/
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_PERFECT_RTPTIME,
g_param_spec_boolean ("perfect-rtptime", "Perfect RTP Time",
"Generate perfect RTP timestamps when possible",
DEFAULT_PERFECT_RTPTIME, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gstelement_class->change_state = gst_basertppayload_change_state;
GST_DEBUG_CATEGORY_INIT (basertppayload_debug, "basertppayload", 0,
@ -256,6 +275,7 @@ gst_basertppayload_init (GstBaseRTPPayload * basertppayload, gpointer g_class)
basertppayload->max_ptime = DEFAULT_MAX_PTIME;
basertppayload->min_ptime = DEFAULT_MIN_PTIME;
basertppayload->priv->perfect_rtptime = DEFAULT_PERFECT_RTPTIME;
basertppayload->media = NULL;
basertppayload->encoding_name = NULL;
@ -688,7 +708,7 @@ gst_basertppayload_prepare_push (GstBaseRTPPayload * payload,
}
/* convert to RTP time */
if (data.offset != GST_BUFFER_OFFSET_NONE) {
if (priv->perfect_rtptime && data.offset != GST_BUFFER_OFFSET_NONE) {
/* if we have an offset, use that for making an RTP timestamp */
data.rtptime = payload->ts_base + data.offset;
} else if (GST_CLOCK_TIME_IS_VALID (data.timestamp)) {
@ -833,6 +853,9 @@ gst_basertppayload_set_property (GObject * object, guint prop_id,
case PROP_MIN_PTIME:
basertppayload->min_ptime = g_value_get_int64 (value);
break;
case PROP_PERFECT_RTPTIME:
priv->perfect_rtptime = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -886,6 +909,9 @@ gst_basertppayload_get_property (GObject * object, guint prop_id,
case PROP_SEQNUM:
g_value_set_uint (value, basertppayload->seqnum);
break;
case PROP_PERFECT_RTPTIME:
g_value_set_boolean (value, priv->perfect_rtptime);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;