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Add sync parameter

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Original commit message from CVS:
Add sync parameter
This commit is contained in:
David Schleef 2003-05-18 23:20:24 +00:00
parent 5cb610d298
commit e8d4772d3f
2 changed files with 24 additions and 10 deletions
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33
gst/videotestsrc/gstvideotestsrc.c
View file

@ -53,6 +53,7 @@ enum
ARG_FOURCC,
ARG_RATE,
ARG_TYPE,
ARG_SYNC,
/* FILL ME */
};
@ -157,6 +158,9 @@ gst_videotestsrc_class_init (GstVideotestsrcClass * klass)
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_TYPE,
g_param_spec_enum ("pattern", "Pattern", "Type of test pattern to generate",
GST_TYPE_VIDEOTESTSRC_PATTERN, 1, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SYNC,
g_param_spec_boolean ("sync", "Sync", "Synchronize to clock",
TRUE, G_PARAM_READWRITE));
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
@ -296,6 +300,8 @@ gst_videotestsrc_init (GstVideotestsrc * videotestsrc)
gst_pad_set_get_function (videotestsrc->srcpad, gst_videotestsrc_get);
gst_pad_set_link_function (videotestsrc->srcpad, gst_videotestsrc_srcconnect);
videotestsrc->sync = TRUE;
videotestsrc->width = 640;
videotestsrc->height = 480;
@ -346,19 +352,20 @@ gst_videotestsrc_get (GstPad * pad)
videotestsrc->make_image (videotestsrc, (void *) GST_BUFFER_DATA (buf),
videotestsrc->width, videotestsrc->height);
do {
GstClockID id;
if (videotestsrc->sync){
do {
GstClockID id;
videotestsrc->timestamp += videotestsrc->interval;
GST_BUFFER_TIMESTAMP (buf) = videotestsrc->timestamp;
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);
}
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);
}
while (jitter > 100 * GST_MSECOND);
return buf;
}
@ -419,6 +426,9 @@ gst_videotestsrc_set_property (GObject * object, guint prop_id, const GValue * v
case ARG_TYPE:
gst_videotestsrc_set_pattern (src, g_value_get_enum (value));
break;
case ARG_SYNC:
src->sync = g_value_get_boolean (value);
break;
default:
break;
}
@ -449,6 +459,9 @@ gst_videotestsrc_get_property (GObject * object, guint prop_id, GValue * value,
case ARG_TYPE:
g_value_set_enum (value, src->type);
break;
case ARG_SYNC:
g_value_set_boolean (value, src->sync);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;

1
gst/videotestsrc/gstvideotestsrc.h
View file

@ -61,6 +61,7 @@ struct _GstVideotestsrc {
struct fourcc_list_struct *fourcc;
/* private */
gboolean sync;
gint64 timestamp;
gint64 interval;
gint bpp;