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segment: add rude serialization

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Ass serialize and deserialize functions for GstSegment so that gdp and
gst_structure_to_string show the segment values. We convert to a GstSegment
first to make things easier..

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=674100
This commit is contained in:
Wim Taymans 2012-04-16 15:35:23 +02:00
parent ffed76f258
commit d342871907
1 changed files with 70 additions and 0 deletions
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70
gst/gstvalue.c
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@ -1841,6 +1841,65 @@ gst_value_deserialize_caps (GValue * dest, const gchar * s)
return FALSE;
}
/**************
* GstSegment *
**************/
static gchar *
gst_value_serialize_segment (const GValue * value)
{
GstSegment *seg = g_value_get_boxed (value);
gchar *t, *res;
GstStructure *s;
s = gst_structure_new ("GstSegment",
"flags", GST_TYPE_SEGMENT_FLAGS, seg->flags,
"rate", G_TYPE_DOUBLE, seg->rate,
"applied-rate", G_TYPE_DOUBLE, seg->applied_rate,
"format", GST_TYPE_FORMAT, seg->format,
"base", G_TYPE_UINT64, seg->base,
"start", G_TYPE_UINT64, seg->start,
"stop", G_TYPE_UINT64, seg->stop,
"time", G_TYPE_UINT64, seg->time,
"position", G_TYPE_UINT64, seg->position,
"duration", G_TYPE_UINT64, seg->duration, NULL);
t = gst_structure_to_string (s);
res = g_strdup_printf ("\"%s\"", t);
g_free (t);
gst_structure_free (s);
return res;
}
static gboolean
gst_value_deserialize_segment (GValue * dest, const gchar * s)
{
GstStructure *str;
GstSegment seg;
gboolean res;
str = gst_structure_from_string (s, NULL);
if (str == NULL)
return FALSE;
res = gst_structure_get (str,
"flags", GST_TYPE_SEGMENT_FLAGS, &seg.flags,
"rate", G_TYPE_DOUBLE, &seg.rate,
"applied-rate", G_TYPE_DOUBLE, &seg.applied_rate,
"format", GST_TYPE_FORMAT, &seg.format,
"base", G_TYPE_UINT64, &seg.base,
"start", G_TYPE_UINT64, &seg.start,
"stop", G_TYPE_UINT64, &seg.stop,
"time", G_TYPE_UINT64, &seg.time,
"position", G_TYPE_UINT64, &seg.position,
"duration", G_TYPE_UINT64, &seg.duration, NULL);
gst_structure_free (str);
if (res)
g_value_set_boxed (dest, &seg);
return res;
}
/****************
* GstStructure *
****************/
@ -5726,6 +5785,17 @@ _priv_gst_value_initialize (void)
gst_value.type = GST_TYPE_CAPS;
gst_value_register (&gst_value);
}
{
static GstValueTable gst_value = {
0,
NULL,
gst_value_serialize_segment,
gst_value_deserialize_segment,
};
gst_value.type = GST_TYPE_SEGMENT;
gst_value_register (&gst_value);
}
{
static GstValueTable gst_value = {
0,