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basedepayload: do not create segment in onvif mode

Browse source 
basedepayload generates its own segment in a pretty unconventional
manner, relying on information in the caps such as npt-start or
npt-stop, usually set by rtspsrc.

In ONVIF mode, rtspsrc will generate the correct segment and this
logic in rtpbasedepayload will not be needed, this commit allows
rtspsrc to signal that through the caps.
This commit is contained in:
Mathieu Duponchelle 2019-07-12 16:56:52 +02:00
parent 1ec1123178
commit c854c270be
1 changed files with 20 additions and 4 deletions
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24
gst-libs/gst/rtp/gstrtpbasedepayload.c
View file

@ -42,6 +42,7 @@ struct _GstRTPBaseDepayloadPrivate
gdouble play_speed;
gdouble play_scale;
guint clock_base;
gboolean onvif_mode;
gboolean discont;
GstClockTime pts;
@ -265,6 +266,7 @@ gst_rtp_base_depayload_init (GstRTPBaseDepayload * filter,
priv->play_speed = 1.0;
priv->play_scale = 1.0;
priv->clock_base = -1;
priv->onvif_mode = FALSE;
priv->dts = -1;
priv->pts = -1;
priv->duration = -1;
@ -307,6 +309,16 @@ gst_rtp_base_depayload_setcaps (GstRTPBaseDepayload * filter, GstCaps * caps)
caps_struct = gst_caps_get_structure (caps, 0);
value = gst_structure_get_value (caps_struct, "onvif-mode");
if (value && G_VALUE_HOLDS_BOOLEAN (value))
priv->onvif_mode = g_value_get_boolean (value);
else
priv->onvif_mode = FALSE;
GST_DEBUG_OBJECT (filter, "Onvif mode: %d", priv->onvif_mode);
if (priv->onvif_mode)
filter->need_newsegment = FALSE;
/* get other values for newsegment */
value = gst_structure_get_value (caps_struct, "npt-start");
if (value && G_VALUE_HOLDS_UINT64 (value))
@ -622,7 +634,7 @@ gst_rtp_base_depayload_handle_event (GstRTPBaseDepayload * filter,
gst_segment_init (&filter->segment, GST_FORMAT_UNDEFINED);
GST_OBJECT_UNLOCK (filter);
filter->need_newsegment = TRUE;
filter->need_newsegment = !filter->priv->onvif_mode;
filter->priv->next_seqnum = -1;
gst_event_replace (&filter->priv->segment_event, NULL);
break;
@ -651,9 +663,12 @@ gst_rtp_base_depayload_handle_event (GstRTPBaseDepayload * filter,
filter->segment = segment;
GST_OBJECT_UNLOCK (filter);
/* don't pass the event downstream, we generate our own segment including
* the NTP time and other things we receive in caps */
forward = FALSE;
/* In ONVIF mode, upstream is expected to send us the correct segment */
if (!filter->priv->onvif_mode) {
/* don't pass the event downstream, we generate our own segment including
* the NTP time and other things we receive in caps */
forward = FALSE;
}
break;
}
case GST_EVENT_CUSTOM_DOWNSTREAM:
@ -995,6 +1010,7 @@ gst_rtp_base_depayload_change_state (GstElement * element,
priv->play_speed = 1.0;
priv->play_scale = 1.0;
priv->clock_base = -1;
priv->onvif_mode = FALSE;
priv->next_seqnum = -1;
priv->negotiated = FALSE;
priv->discont = FALSE;