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gst-libs/gst/rtp/gstbasertpdepayload.c: Parse and use additional caps fields as described in updated application/x-rt...

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Original commit message from CVS:
* gst-libs/gst/rtp/gstbasertpdepayload.c:
(gst_base_rtp_depayload_setcaps),
(gst_base_rtp_depayload_set_gst_timestamp):
Parse and use additional caps fields as described in updated
application/x-rtp caps spec.
This commit is contained in:
Wim Taymans 2007-05-12 16:18:39 +00:00
parent 8532e91e7e
commit 01b6f0b353
2 changed files with 61 additions and 11 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2007-05-12 Wim Taymans <wim@fluendo.com>
* gst-libs/gst/rtp/gstbasertpdepayload.c:
(gst_base_rtp_depayload_setcaps),
(gst_base_rtp_depayload_set_gst_timestamp):
Parse and use additional caps fields as described in updated
application/x-rtp caps spec.
2007-05-12 Wim Taymans <wim@fluendo.com>
* ext/ogg/gstoggdemux.c: (gst_ogg_pad_submit_packet),

64
gst-libs/gst/rtp/gstbasertpdepayload.c
View file

@ -39,7 +39,12 @@ GST_DEBUG_CATEGORY_STATIC (basertpdepayload_debug);
struct _GstBaseRTPDepayloadPrivate
{
guint32 clock_base;
guint64 clock_base;
GstClockTime npt_start;
GstClockTime npt_stop;
gdouble play_speed;
gdouble play_scale;
};
/* Filter signals and args */
@ -193,6 +198,31 @@ gst_base_rtp_depayload_setcaps (GstPad * pad, GstCaps * caps)
else
priv->clock_base = -1;
/* get other values for newsegment */
value = gst_structure_get_value (caps_struct, "npt-start");
if (value && G_VALUE_HOLDS_UINT64 (value))
priv->npt_start = g_value_get_uint64 (value);
else
priv->npt_start = 0;
value = gst_structure_get_value (caps_struct, "npt-stop");
if (value && G_VALUE_HOLDS_UINT64 (value))
priv->npt_stop = g_value_get_uint64 (value);
else
priv->npt_stop = -1;
value = gst_structure_get_value (caps_struct, "play-speed");
if (value && G_VALUE_HOLDS_DOUBLE (value))
priv->play_speed = g_value_get_double (value);
else
priv->play_speed = 1.0;
value = gst_structure_get_value (caps_struct, "play-scale");
if (value && G_VALUE_HOLDS_DOUBLE (value))
priv->play_scale = g_value_get_double (value);
else
priv->play_scale = 1.0;
if (bclass->set_caps)
res = bclass->set_caps (filter, caps);
else
@ -447,12 +477,18 @@ gst_base_rtp_depayload_set_gst_timestamp (GstBaseRTPDepayload * filter,
guint32 timestamp, GstBuffer * buf)
{
GstClockTime ts, adjusted;
GstBaseRTPDepayloadPrivate *priv;
ts = gst_util_uint64_scale_int (timestamp, GST_SECOND, filter->clock_rate);
priv = filter->priv;
/* no clock-base set, take first timestamp as base */
if (priv->clock_base == -1)
priv->clock_base = timestamp;
/* rtp timestamps are based on the clock_rate
* gst timesamps are in nanoseconds
*/
* gst timesamps are in nanoseconds */
ts = gst_util_uint64_scale_int (timestamp, GST_SECOND, filter->clock_rate);
GST_DEBUG_OBJECT (filter, "ts : timestamp : %u, clockrate : %u",
timestamp, filter->clock_rate);
@ -467,18 +503,24 @@ gst_base_rtp_depayload_set_gst_timestamp (GstBaseRTPDepayload * filter,
/* if this is the first buf send a NEWSEGMENT */
if (filter->need_newsegment) {
GstEvent *event;
GstClockTime start;
GstClockTime start, stop, position;
if (filter->priv->clock_base != -1)
start = gst_util_uint64_scale_int (filter->priv->clock_base, GST_SECOND,
filter->clock_rate);
start = gst_util_uint64_scale_int (priv->clock_base, GST_SECOND,
filter->clock_rate);
if (priv->npt_stop != -1)
stop = priv->npt_stop - priv->npt_start + start;
else
start = adjusted;
stop = -1;
event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME,
start, GST_CLOCK_TIME_NONE, 0);
position = priv->npt_start;
event =
gst_event_new_new_segment_full (FALSE, priv->play_speed,
priv->play_scale, GST_FORMAT_TIME, start, stop, position);
gst_pad_push_event (filter->srcpad, event);
filter->need_newsegment = FALSE;
GST_DEBUG_OBJECT (filter, "Pushed newsegment event on this first buffer");
}