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restore wtay's clocking changes in 1.17->1.18

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Original commit message from CVS:
restore wtay's clocking changes in 1.17->1.18
This commit is contained in:
David Schleef 2003-05-01 06:24:34 +00:00
parent 51bbd119fd
commit 75dd6425ed
1 changed files with 27 additions and 3 deletions
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30
gst/videotestsrc/gstvideotestsrc.c
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@ -59,6 +59,7 @@ enum
static void gst_videotestsrc_class_init (GstVideotestsrcClass * klass);
static void gst_videotestsrc_init (GstVideotestsrc * videotestsrc);
static GstElementStateReturn gst_videotestsrc_change_state (GstElement * element);
static void gst_videotestsrc_set_clock (GstElement *element, GstClock *clock);
static void gst_videotestsrc_set_pattern (GstVideotestsrc *src, int pattern_type);
static void gst_videotestsrc_set_property (GObject * object, guint prop_id,
@ -163,6 +164,17 @@ gst_videotestsrc_class_init (GstVideotestsrcClass * klass)
gobject_class->get_property = gst_videotestsrc_get_property;
gstelement_class->change_state = gst_videotestsrc_change_state;
gstelement_class->set_clock = gst_videotestsrc_set_clock;
}
static void
gst_videotestsrc_set_clock (GstElement *element, GstClock *clock)
{
GstVideotestsrc *v;
v = GST_VIDEOTESTSRC (element);
gst_object_replace ((GstObject **)&v->clock, (GstObject *)clock);
}
static GstPadLinkReturn
@ -290,6 +302,7 @@ gst_videotestsrc_get (GstPad * pad)
GstVideotestsrc *videotestsrc;
gulong newsize;
GstBuffer *buf;
GstClockTimeDiff jitter = 0;
GST_DEBUG (0, "gst_videotestsrc_get");
@ -313,11 +326,22 @@ gst_videotestsrc_get (GstPad * pad)
}
g_return_val_if_fail (GST_BUFFER_DATA (buf) != NULL, NULL);
videotestsrc->timestamp += videotestsrc->interval;
GST_BUFFER_TIMESTAMP (buf) = videotestsrc->timestamp;
videotestsrc->make_image (videotestsrc, (void *) GST_BUFFER_DATA (buf),
videotestsrc->width, videotestsrc->height);
do {
GstClockID id;
videotestsrc->timestamp += videotestsrc->interval;
GST_BUFFER_TIMESTAMP (buf) = videotestsrc->timestamp;
if (videotestsrc->clock) {
id = gst_clock_new_single_shot_id (videotestsrc->clock, GST_BUFFER_TIMESTAMP (buf));
gst_element_clock_wait (GST_ELEMENT (videotestsrc), id, &jitter);
gst_clock_id_free (id);
}
}
while (jitter > 100 * GST_MSECOND);
return buf;
}