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structure: add function to fixate

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Add a function to fixate a structure and use it for the default fixate function
in gstpad.c.
This commit is contained in:
Wim Taymans 2011-08-15 14:32:17 +02:00
parent d12738b4fa
commit bd20d2d199
3 changed files with 29 additions and 15 deletions
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17
gst/gstpad.c
View file

@ -2488,19 +2488,6 @@ no_peer:
} }
} }
static gboolean
default_fixate (GQuark field_id, const GValue * value, gpointer data)
{
GstStructure *s = data;
GValue v = { 0 };
if (gst_value_fixate (&v, value)) {
gst_structure_id_set_value (s, field_id, &v);
g_value_unset (&v);
}
return TRUE;
}
static void static void
gst_pad_default_fixate (GstPad * pad, GstCaps * caps) gst_pad_default_fixate (GstPad * pad, GstCaps * caps)
{ {
@ -2509,7 +2496,7 @@ gst_pad_default_fixate (GstPad * pad, GstCaps * caps)
/* default fixation */ /* default fixation */
gst_caps_truncate (caps); gst_caps_truncate (caps);
s = gst_caps_get_structure (caps, 0); s = gst_caps_get_structure (caps, 0);
gst_structure_foreach (s, default_fixate, s); gst_structure_fixate (s);
} }
/** /**
@ -2630,7 +2617,7 @@ is_same_caps:
#endif #endif
no_func: no_func:
{ {
GST_DEBUG_OBJECT (pad, "no acceptcase function"); GST_DEBUG_OBJECT (pad, "no acceptcaps function");
return FALSE; return FALSE;
} }
} }

26
gst/gststructure.c
View file

@ -3191,3 +3191,29 @@ gst_structure_is_subset (const GstStructure * subset,
return gst_structure_foreach ((GstStructure *) subset, return gst_structure_foreach ((GstStructure *) subset,
gst_caps_structure_is_subset_field, (gpointer) superset); gst_caps_structure_is_subset_field, (gpointer) superset);
} }
static gboolean
default_fixate (GQuark field_id, const GValue * value, gpointer data)
{
GstStructure *s = data;
GValue v = { 0 };
if (gst_value_fixate (&v, value)) {
gst_structure_id_set_value (s, field_id, &v);
g_value_unset (&v);
}
return TRUE;
}
/**
* gst_structure_fixate:
* @structure: a #GstStructure
*
* Fixate all values in @structure using gst_value_fixate().
* @structure will be modified in-place and should be writable.
*/
void
gst_structure_fixate (GstStructure * structure)
{
gst_structure_foreach (structure, default_fixate, structure);
}

1
gst/gststructure.h
View file

@ -251,6 +251,7 @@ gboolean gst_structure_can_intersect(const GstStructure *struct1
const GstStructure *struct2); const GstStructure *struct2);
GstStructure* gst_structure_intersect (const GstStructure *struct1, GstStructure* gst_structure_intersect (const GstStructure *struct1,
const GstStructure *struct2); const GstStructure *struct2);
void gst_structure_fixate (GstStructure *structure);
G_END_DECLS G_END_DECLS