diff --git a/subprojects/gstreamer/gst/gstcaps.c b/subprojects/gstreamer/gst/gstcaps.c
index 68b38ee952..720cd6ceff 100644
--- a/subprojects/gstreamer/gst/gstcaps.c
+++ b/subprojects/gstreamer/gst/gstcaps.c
@@ -318,6 +318,44 @@ gst_caps_new_empty_simple (const char *media_type)
   return caps;
 }
 
+/**
+ * gst_caps_new_empty_simple_static_str:
+ * @media_type: the media type of the structure
+ *
+ * Creates a new #GstCaps that contains one #GstStructure with name
+ * @media_type.
+ *
+ * @media_type needs to be valid for the remaining lifetime of the process, e.g.
+ * has to be a static string.
+ *
+ * Returns: (transfer full): the new #GstCaps
+ *
+ * Since: 1.26
+ */
+GstCaps *
+gst_caps_new_empty_simple_static_str (const char *media_type)
+{
+  GstCaps *caps;
+  GstStructure *structure;
+
+  caps = gst_caps_new_empty ();
+  if (strcmp ("ANY", media_type) == 0) {
+    g_warning
+        ("media_type should not be ANY. Please consider using `gst_caps_new_any` or `gst_caps_from_string`.");
+  }
+  if (strcmp ("", media_type) == 0 || strcmp ("EMPTY", media_type) == 0
+      || strcmp ("NONE", media_type) == 0) {
+    g_warning
+        ("media_type should not be `%s`. Please consider using `gst_caps_new_empty` or `gst_caps_from_string`.",
+        media_type);
+  }
+  structure = gst_structure_new_static_str_empty (media_type);
+  if (structure)
+    gst_caps_append_structure_unchecked (caps, structure, NULL);
+
+  return caps;
+}
+
 /**
  * gst_caps_new_simple:
  * @media_type: the media type of the structure
@@ -351,6 +389,46 @@ gst_caps_new_simple (const char *media_type, const char *fieldname, ...)
   return caps;
 }
 
+/**
+ * gst_caps_new_simple_static_str:
+ * @media_type: the media type of the structure
+ * @fieldname: first field to set
+ * @...: additional arguments
+ *
+ * Creates a new #GstCaps that contains one #GstStructure.  The
+ * structure is defined by the arguments, which have the same format
+ * as gst_structure_new().
+ *
+ * @media_type, @fieldname and all other fieldnames need to be valid for the
+ * remaining lifetime of the process, e.g. have to be static strings.
+ *
+ * Returns: (transfer full): the new #GstCaps
+ *
+ * Since: 1.26
+ */
+GstCaps *
+gst_caps_new_simple_static_str (const char *media_type, const char *fieldname,
+    ...)
+{
+  GstCaps *caps;
+  GstStructure *structure;
+  va_list var_args;
+
+  caps = gst_caps_new_empty ();
+
+  va_start (var_args, fieldname);
+  structure =
+      gst_structure_new_static_str_valist (media_type, fieldname, var_args);
+  va_end (var_args);
+
+  if (structure)
+    gst_caps_append_structure_unchecked (caps, structure, NULL);
+  else
+    gst_caps_replace (&caps, NULL);
+
+  return caps;
+}
+
 /**
  * gst_caps_new_full:
  * @struct1: the first structure to add
@@ -1120,6 +1198,39 @@ gst_caps_set_value (GstCaps * caps, const char *field, const GValue * value)
   }
 }
 
+/**
+ * gst_caps_set_value_static_str:
+ * @caps: a writable caps
+ * @field: name of the field to set
+ * @value: value to set the field to
+ *
+ * Sets the given @field on all structures of @caps to the given @value.
+ * This is a convenience function for calling gst_structure_set_value() on
+ * all structures of @caps.
+ *
+ * @field needs to be valid for the remaining lifetime of the process, e.g.
+ * has to be a static string.
+ *
+ * Since: 1.26
+ **/
+void
+gst_caps_set_value_static_str (GstCaps * caps, const char *field,
+    const GValue * value)
+{
+  guint i, len;
+
+  g_return_if_fail (GST_IS_CAPS (caps));
+  g_return_if_fail (IS_WRITABLE (caps));
+  g_return_if_fail (field != NULL);
+  g_return_if_fail (G_IS_VALUE (value));
+
+  len = GST_CAPS_LEN (caps);
+  for (i = 0; i < len; i++) {
+    GstStructure *structure = gst_caps_get_structure_unchecked (caps, i);
+    gst_structure_set_value_static_str (structure, field, value);
+  }
+}
+
 /**
  * gst_caps_set_simple_valist:
  * @caps: the #GstCaps to set
@@ -1158,6 +1269,50 @@ gst_caps_set_simple_valist (GstCaps * caps, const char *field, va_list varargs)
   }
 }
 
+/**
+ * gst_caps_set_simple_static_str_valist:
+ * @caps: the #GstCaps to set
+ * @field: first field to set
+ * @varargs: additional parameters
+ *
+ * Sets fields in a #GstCaps.  The arguments must be passed in the same
+ * manner as gst_structure_set(), and be %NULL-terminated.
+ *
+ * @field and all other field names need to be valid for the remaining lifetime
+ * of the process, e.g. have to be static strings.
+ *
+ * Since: 1.26
+ */
+void
+gst_caps_set_simple_static_str_valist (GstCaps * caps, const char *field,
+    va_list varargs)
+{
+  GValue value = { 0, };
+
+  g_return_if_fail (GST_IS_CAPS (caps));
+  g_return_if_fail (IS_WRITABLE (caps));
+
+  while (field) {
+    GType type;
+    char *err;
+
+    type = va_arg (varargs, GType);
+
+    G_VALUE_COLLECT_INIT (&value, type, varargs, 0, &err);
+    if (G_UNLIKELY (err)) {
+      g_critical ("%s", err);
+      g_free (err);
+      return;
+    }
+
+    gst_caps_set_value_static_str (caps, field, &value);
+
+    g_value_unset (&value);
+
+    field = va_arg (varargs, const gchar *);
+  }
+}
+
 /**
  * gst_caps_set_simple:
  * @caps: the #GstCaps to set
@@ -1180,6 +1335,33 @@ gst_caps_set_simple (GstCaps * caps, const char *field, ...)
   va_end (var_args);
 }
 
+/**
+ * gst_caps_set_simple_static_str:
+ * @caps: the #GstCaps to set
+ * @field: first field to set
+ * @...: additional parameters
+ *
+ * Sets fields in a #GstCaps.  The arguments must be passed in the same
+ * manner as gst_structure_set(), and be %NULL-terminated.
+ *
+ * @field and all other field names need to be valid for the remaining lifetime
+ * of the process, e.g. have to be static strings.
+ *
+ * Since: 1.26
+ */
+void
+gst_caps_set_simple_static_str (GstCaps * caps, const char *field, ...)
+{
+  va_list var_args;
+
+  g_return_if_fail (GST_IS_CAPS (caps));
+  g_return_if_fail (IS_WRITABLE (caps));
+
+  va_start (var_args, field);
+  gst_caps_set_simple_static_str_valist (caps, field, var_args);
+  va_end (var_args);
+}
+
 /* tests */
 
 /**
@@ -1255,7 +1437,8 @@ gst_caps_is_fixed (const GstCaps * caps)
 
   structure = gst_caps_get_structure_unchecked (caps, 0);
 
-  return gst_structure_foreach_id_str (structure, gst_caps_is_fixed_foreach, NULL);
+  return gst_structure_foreach_id_str (structure, gst_caps_is_fixed_foreach,
+      NULL);
 }
 
 /**
@@ -1973,7 +2156,8 @@ typedef struct _NormalizeForeach
 } NormalizeForeach;
 
 static gboolean
-gst_caps_normalize_foreach (const GstIdStr * field, const GValue * value, gpointer ptr)
+gst_caps_normalize_foreach (const GstIdStr * field, const GValue * value,
+    gpointer ptr)
 {
   NormalizeForeach *nf = (NormalizeForeach *) ptr;
   GValue val = { 0 };
@@ -2060,8 +2244,8 @@ typedef struct
 } UnionField;
 
 static gboolean
-gst_caps_structure_figure_out_union (const GstIdStr * field, const GValue * value,
-    gpointer user_data)
+gst_caps_structure_figure_out_union (const GstIdStr * field,
+    const GValue * value, gpointer user_data)
 {
   UnionField *u = user_data;
   const GValue *val = gst_structure_id_str_get_value (u->compare, field);
diff --git a/subprojects/gstreamer/gst/gstcaps.h b/subprojects/gstreamer/gst/gstcaps.h
index d031b6fc78..7afb527ec6 100644
--- a/subprojects/gstreamer/gst/gstcaps.h
+++ b/subprojects/gstreamer/gst/gstcaps.h
@@ -369,11 +369,18 @@ GstCaps *         gst_caps_new_any                 (void);
 GST_API
 GstCaps *         gst_caps_new_empty_simple        (const char    *media_type) G_GNUC_WARN_UNUSED_RESULT;
 
+GST_API
+GstCaps *         gst_caps_new_empty_simple_static_str (const char    *media_type) G_GNUC_WARN_UNUSED_RESULT;
+
 GST_API
 GstCaps *         gst_caps_new_simple              (const char    *media_type,
                                                     const char    *fieldname,
                                                     ...) G_GNUC_NULL_TERMINATED G_GNUC_WARN_UNUSED_RESULT;
 GST_API
+GstCaps *         gst_caps_new_simple_static_str   (const char    *media_type,
+                                                    const char    *fieldname,
+                                                    ...) G_GNUC_NULL_TERMINATED G_GNUC_WARN_UNUSED_RESULT;
+GST_API
 GstCaps *         gst_caps_new_full                (GstStructure  *struct1,
                                                     ...) G_GNUC_NULL_TERMINATED G_GNUC_WARN_UNUSED_RESULT;
 GST_API
@@ -448,13 +455,24 @@ void              gst_caps_set_value               (GstCaps       *caps,
                                                     const char    *field,
                                                     const GValue  *value);
 GST_API
+void              gst_caps_set_value_static_str    (GstCaps       *caps,
+                                                    const char    *field,
+                                                    const GValue  *value);
+GST_API
 void              gst_caps_set_simple              (GstCaps       *caps,
                                                     const char    *field, ...) G_GNUC_NULL_TERMINATED;
 GST_API
+void              gst_caps_set_simple_static_str   (GstCaps       *caps,
+                                                    const char    *field, ...) G_GNUC_NULL_TERMINATED;
+GST_API
 void              gst_caps_set_simple_valist       (GstCaps       *caps,
                                                     const char    *field,
                                                     va_list        varargs);
 GST_API
+void              gst_caps_set_simple_static_str_valist (GstCaps       *caps,
+                                                         const char    *field,
+                                                         va_list        varargs);
+GST_API
 gboolean          gst_caps_foreach                 (const GstCaps       *caps,
                                                     GstCapsForeachFunc   func,
                                                     gpointer             user_data);