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basepayload: Expose onvif-no-rate-control property

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The ONVIF spec mandates that when Rate-Control=no, the RTP timestamps
match the original sampling times, as opposed to the intended playback
time.
This commit is contained in:
Mathieu Duponchelle 2018-11-19 23:42:14 +01:00 committed by Mathieu Duponchelle
parent 57f5c2d4db
commit 3c4bef46b7
1 changed files with 32 additions and 2 deletions
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34
gst-libs/gst/rtp/gstrtpbasepayload.c
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@ -56,6 +56,8 @@ struct _GstRTPBasePayloadPrivate
gint64 prop_max_ptime;
gint64 caps_max_ptime;
gboolean onvif_no_rate_control;
gboolean negotiated;
gboolean delay_segment;
@ -89,6 +91,7 @@ enum
#define DEFAULT_PTIME_MULTIPLE 0
#define DEFAULT_RUNNING_TIME GST_CLOCK_TIME_NONE
#define DEFAULT_SOURCE_INFO FALSE
#define DEFAULT_ONVIF_NO_RATE_CONTROL FALSE
enum
{
@ -106,6 +109,7 @@ enum
PROP_PTIME_MULTIPLE,
PROP_STATS,
PROP_SOURCE_INFO,
PROP_ONVIF_NO_RATE_CONTROL,
PROP_LAST
};
@ -318,6 +322,21 @@ gst_rtp_base_payload_class_init (GstRTPBasePayloadClass * klass)
"Write CSRC based on buffer meta RTP source information",
DEFAULT_SOURCE_INFO, G_PARAM_READWRITE));
/**
* GstRTPBasePayload:onvif-no-rate-control:
*
* Make the payloader timestamp packets according to the Rate-Control=no
* behaviour specified in the ONVIF replay spec.
*
* Since: 1.16
*/
g_object_class_install_property (G_OBJECT_CLASS (klass),
PROP_ONVIF_NO_RATE_CONTROL, g_param_spec_boolean ("onvif-no-rate-control",
"ONVIF no rate control",
"Enable ONVIF Rate-Control=no timestamping mode",
DEFAULT_ONVIF_NO_RATE_CONTROL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gstelement_class->change_state = gst_rtp_base_payload_change_state;
klass->get_caps = gst_rtp_base_payload_getcaps_default;
@ -378,6 +397,7 @@ gst_rtp_base_payload_init (GstRTPBasePayload * rtpbasepayload, gpointer g_class)
rtpbasepayload->ptime_multiple = DEFAULT_PTIME_MULTIPLE;
rtpbasepayload->priv->base_offset = GST_BUFFER_OFFSET_NONE;
rtpbasepayload->priv->base_rtime_hz = GST_BUFFER_OFFSET_NONE;
rtpbasepayload->priv->onvif_no_rate_control = DEFAULT_ONVIF_NO_RATE_CONTROL;
rtpbasepayload->media = NULL;
rtpbasepayload->encoding_name = NULL;
@ -1264,8 +1284,12 @@ gst_rtp_base_payload_prepare_push (GstRTPBasePayload * payload,
guint64 rtime_hz;
/* no offset, use the gstreamer pts */
rtime_ns = gst_segment_to_running_time (&payload->segment, GST_FORMAT_TIME,
data.pts);
if (priv->onvif_no_rate_control)
rtime_ns = data.pts;
else
rtime_ns =
gst_segment_to_running_time (&payload->segment, GST_FORMAT_TIME,
data.pts);
if (!GST_CLOCK_TIME_IS_VALID (rtime_ns)) {
GST_LOG_OBJECT (payload, "Clipped pts, using base RTP timestamp");
@ -1538,6 +1562,9 @@ gst_rtp_base_payload_set_property (GObject * object, guint prop_id,
gst_rtp_base_payload_set_source_info_enabled (rtpbasepayload,
g_value_get_boolean (value));
break;
case PROP_ONVIF_NO_RATE_CONTROL:
priv->onvif_no_rate_control = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -1605,6 +1632,9 @@ gst_rtp_base_payload_get_property (GObject * object, guint prop_id,
g_value_set_boolean (value,
gst_rtp_base_payload_is_source_info_enabled (rtpbasepayload));
break;
case PROP_ONVIF_NO_RATE_CONTROL:
g_value_set_boolean (value, priv->onvif_no_rate_control);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;