*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
*/
/**
* SECTION:gstvalue
+ * @title: GstValue
* @short_description: GValue implementations specific
* to GStreamer
*
*
* Note that operations on the same #GValue from multiple threads may lead to
* undefined behaviour.
- *
- * Last reviewed on 2008-03-11 (0.10.18)
*/
+/* Suppress warnings for GValueAraray */
+#define GLIB_DISABLE_DEPRECATION_WARNINGS
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
*
* Used by gst_value_intersect() to perform intersection for a specific #GValue
* type. If the intersection is non-empty, the result is
- * placed in @dest and TRUE is returned. If the intersection is
- * empty, @dest is unmodified and FALSE is returned.
+ * placed in @dest and %TRUE is returned. If the intersection is
+ * empty, @dest is unmodified and %FALSE is returned.
* Register a new implementation with gst_value_register_intersect_func().
*
* Returns: %TRUE if the values can intersect
static void gst_value_register_subtract_func (GType minuend_type,
GType subtrahend_type, GstValueSubtractFunc func);
+static gboolean _priv_gst_value_parse_list (gchar * s, gchar ** after,
+ GValue * value, GType type);
+static gboolean _priv_gst_value_parse_array (gchar * s, gchar ** after,
+ GValue * value, GType type);
+
typedef struct _GstValueUnionInfo GstValueUnionInfo;
struct _GstValueUnionInfo
{
GstValueSubtractFunc func;
};
+struct _GstFlagSetClass
+{
+ GTypeClass parent;
+ GType flags_type; /* Type of the GFlags this flagset carries (can be 0) */
+};
+
+typedef struct _GstFlagSetClass GstFlagSetClass;
+
+typedef struct _GstValueAbbreviation GstValueAbbreviation;
+
+struct _GstValueAbbreviation
+{
+ const gchar *type_name;
+ GType type;
+};
+
#define FUNDAMENTAL_TYPE_ID_MAX \
(G_TYPE_FUNDAMENTAL_MAX >> G_TYPE_FUNDAMENTAL_SHIFT)
#define FUNDAMENTAL_TYPE_ID(type) \
((type) >> G_TYPE_FUNDAMENTAL_SHIFT)
-#define VALUE_LIST_SIZE(v) (((GArray *) (v)->data[0].v_pointer)->len)
-#define VALUE_LIST_GET_VALUE(v, index) ((const GValue *) &g_array_index ((GArray *) (v)->data[0].v_pointer, GValue, (index)))
+#define VALUE_LIST_ARRAY(v) ((GArray *) (v)->data[0].v_pointer)
+#define VALUE_LIST_SIZE(v) (VALUE_LIST_ARRAY(v)->len)
+#define VALUE_LIST_GET_VALUE(v, index) ((const GValue *) &g_array_index (VALUE_LIST_ARRAY(v), GValue, (index)))
static GArray *gst_value_table;
static GHashTable *gst_value_hash;
const GValue * value2, GstValueCompareFunc compare);
static gchar *gst_string_wrap (const gchar * s);
-static gchar *gst_string_take_and_wrap (gchar * s);
static gchar *gst_string_unwrap (const gchar * s);
+static void gst_value_move (GValue * dest, GValue * src);
+static void _gst_value_list_append_and_take_value (GValue * value,
+ GValue * append_value);
+static void _gst_value_array_append_and_take_value (GValue * value,
+ GValue * append_value);
+
static inline GstValueTable *
gst_value_hash_lookup_type (GType type)
{
/* two helper functions to serialize/stringify any type of list
* regular lists are done with { }, arrays with < >
*/
-static gchar *
-gst_value_serialize_any_list (const GValue * value, const gchar * begin,
- const gchar * end)
+gchar *
+_priv_gst_value_serialize_any_list (const GValue * value, const gchar * begin,
+ const gchar * end, gboolean print_type)
{
guint i;
GArray *array = value->data[0].v_pointer;
for (i = 0; i < alen; i++) {
v = &g_array_index (array, GValue, i);
s_val = gst_value_serialize (v);
- g_string_append (s, s_val);
- g_free (s_val);
- if (i < alen - 1) {
- g_string_append_len (s, ", ", 2);
+ if (s_val != NULL) {
+ if (print_type) {
+ g_string_append_c (s, '(');
+ g_string_append (s, _priv_gst_value_gtype_to_abbr (G_VALUE_TYPE (v)));
+ g_string_append_c (s, ')');
+ }
+ g_string_append (s, s_val);
+ g_free (s_val);
+ if (i < alen - 1) {
+ g_string_append_len (s, ", ", 2);
+ }
+ } else {
+ GST_WARNING ("Could not serialize list/array value of type '%s'",
+ G_VALUE_TYPE_NAME (v));
}
}
g_string_append (s, end);
dest_value->data[0].v_pointer = g_string_free (s, FALSE);
}
+static gchar *
+_gst_value_serialize_g_value_array (const GValue * value, const gchar * begin,
+ const gchar * end)
+{
+ guint i;
+ GValueArray *array = value->data[0].v_pointer;
+ GString *s;
+ GValue *v;
+ gchar *s_val;
+ guint alen = 0;
+
+ if (array)
+ alen = array->n_values;
+
+ /* estimate minimum string length to minimise re-allocs in GString */
+ s = g_string_sized_new (2 + (6 * alen) + 2);
+ g_string_append (s, begin);
+ for (i = 0; i < alen; i++) {
+ v = g_value_array_get_nth (array, i);
+ s_val = gst_value_serialize (v);
+ if (s_val != NULL) {
+ g_string_append (s, s_val);
+ g_free (s_val);
+ if (i < alen - 1) {
+ g_string_append_len (s, ", ", 2);
+ }
+ } else {
+ GST_WARNING ("Could not serialize list/array value of type '%s'",
+ G_VALUE_TYPE_NAME (v));
+ }
+ }
+ g_string_append (s, end);
+ return g_string_free (s, FALSE);
+}
+
+static void
+_gst_value_transform_g_value_array_string (const GValue * src_value,
+ GValue * dest_value, const gchar * begin, const gchar * end)
+{
+ GValue *list_value;
+ GValueArray *array;
+ GString *s;
+ guint i;
+ gchar *list_s;
+ guint alen;
+
+ array = src_value->data[0].v_pointer;
+ alen = array->n_values;
+
+ /* estimate minimum string length to minimise re-allocs in GString */
+ s = g_string_sized_new (2 + (10 * alen) + 2);
+ g_string_append (s, begin);
+ for (i = 0; i < alen; i++) {
+ list_value = g_value_array_get_nth (array, i);
+
+ if (i != 0) {
+ g_string_append_len (s, ", ", 2);
+ }
+ list_s = g_strdup_value_contents (list_value);
+ g_string_append (s, list_s);
+ g_free (list_s);
+ }
+ g_string_append (s, end);
+
+ dest_value->data[0].v_pointer = g_string_free (s, FALSE);
+}
+
/*
* helper function to see if a type is fixed. Is used internally here and
* there. Do not export, since it doesn't work for types where the content
/* our fundamental types that are certainly not fixed */
if (type == GST_TYPE_INT_RANGE || type == GST_TYPE_DOUBLE_RANGE ||
type == GST_TYPE_INT64_RANGE ||
- type == GST_TYPE_LIST || type == GST_TYPE_FRACTION_RANGE) {
+ type == GST_TYPE_LIST || type == GST_TYPE_FRACTION_RANGE ||
+ type == GST_TYPE_STRUCTURE) {
return FALSE;
}
/* other (boxed) types that are fixed */
return FALSE;
}
+static inline void
+_gst_value_list_append_and_take_value (GValue * value, GValue * append_value)
+{
+ g_array_append_vals ((GArray *) value->data[0].v_pointer, append_value, 1);
+ memset (append_value, 0, sizeof (GValue));
+}
+
+/**
+ * gst_value_list_append_and_take_value:
+ * @value: a #GValue of type #GST_TYPE_LIST
+ * @append_value: (transfer full): the value to append
+ *
+ * Appends @append_value to the GstValueList in @value.
+ *
+ * Since: 1.2
+ */
+void
+gst_value_list_append_and_take_value (GValue * value, GValue * append_value)
+{
+ g_return_if_fail (GST_VALUE_HOLDS_LIST (value));
+ g_return_if_fail (G_IS_VALUE (append_value));
+ g_return_if_fail (gst_value_list_or_array_are_compatible (value,
+ append_value));
+
+ _gst_value_list_append_and_take_value (value, append_value);
+}
+
/**
* gst_value_list_append_value:
* @value: a #GValue of type #GST_TYPE_LIST
- * @append_value: the value to append
+ * @append_value: (transfer none): the value to append
*
* Appends @append_value to the GstValueList in @value.
*/
}
}
+/* same as gst_value_list_concat() but takes ownership of GValues */
+static void
+gst_value_list_concat_and_take_values (GValue * dest, GValue * val1,
+ GValue * val2)
+{
+ guint i, val1_length, val2_length;
+ gboolean val1_is_list;
+ gboolean val2_is_list;
+ GArray *array;
+
+ g_assert (dest != NULL);
+ g_assert (G_VALUE_TYPE (dest) == 0);
+ g_assert (G_IS_VALUE (val1));
+ g_assert (G_IS_VALUE (val2));
+ g_assert (gst_value_list_or_array_are_compatible (val1, val2));
+
+ val1_is_list = GST_VALUE_HOLDS_LIST (val1);
+ val1_length = (val1_is_list ? VALUE_LIST_SIZE (val1) : 1);
+
+ val2_is_list = GST_VALUE_HOLDS_LIST (val2);
+ val2_length = (val2_is_list ? VALUE_LIST_SIZE (val2) : 1);
+
+ g_value_init (dest, GST_TYPE_LIST);
+ array = (GArray *) dest->data[0].v_pointer;
+ g_array_set_size (array, val1_length + val2_length);
+
+ if (val1_is_list) {
+ for (i = 0; i < val1_length; i++) {
+ g_array_index (array, GValue, i) = *VALUE_LIST_GET_VALUE (val1, i);
+ }
+ g_array_set_size (VALUE_LIST_ARRAY (val1), 0);
+ g_value_unset (val1);
+ } else {
+ g_array_index (array, GValue, 0) = *val1;
+ G_VALUE_TYPE (val1) = G_TYPE_INVALID;
+ }
+
+ if (val2_is_list) {
+ for (i = 0; i < val2_length; i++) {
+ const GValue *v2 = VALUE_LIST_GET_VALUE (val2, i);
+ g_array_index (array, GValue, i + val1_length) = *v2;
+ }
+ g_array_set_size (VALUE_LIST_ARRAY (val2), 0);
+ g_value_unset (val2);
+ } else {
+ g_array_index (array, GValue, val1_length) = *val2;
+ G_VALUE_TYPE (val2) = G_TYPE_INVALID;
+ }
+}
+
/**
* gst_value_list_merge:
* @dest: (out caller-allocates): an uninitialized #GValue to take the result
* The result will be put into @dest and will either be a list that will not
* contain any duplicates, or a non-list type (if @value1 and @value2
* were equal).
- *
- * Since: 0.10.32
*/
void
gst_value_list_merge (GValue * dest, const GValue * value1,
g_array_append_vals ((GArray *) value->data[0].v_pointer, &val, 1);
}
+static inline void
+_gst_value_array_append_and_take_value (GValue * value, GValue * append_value)
+{
+ g_array_append_vals ((GArray *) value->data[0].v_pointer, append_value, 1);
+ memset (append_value, 0, sizeof (GValue));
+}
+
+/**
+ * gst_value_array_append_and_take_value:
+ * @value: a #GValue of type #GST_TYPE_ARRAY
+ * @append_value: (transfer full): the value to append
+ *
+ * Appends @append_value to the GstValueArray in @value.
+ *
+ * Since: 1.2
+ */
+void
+gst_value_array_append_and_take_value (GValue * value, GValue * append_value)
+{
+ g_return_if_fail (GST_VALUE_HOLDS_ARRAY (value));
+ g_return_if_fail (G_IS_VALUE (append_value));
+ g_return_if_fail (gst_value_list_or_array_are_compatible (value,
+ append_value));
+
+ _gst_value_array_append_and_take_value (value, append_value);
+}
+
/**
* gst_value_array_prepend_value:
* @value: a #GValue of type #GST_TYPE_ARRAY
gst_value_transform_any_list_string (src_value, dest_value, "< ", " >");
}
+static void
+gst_value_transform_g_value_array_string (const GValue * src_value,
+ GValue * dest_value)
+{
+ _gst_value_transform_g_value_array_string (src_value, dest_value, "< ", " >");
+}
+
+static void
+gst_value_transform_g_value_array_any_list (const GValue * src_value,
+ GValue * dest_value)
+{
+ const GValueArray *varray;
+ GArray *array;
+ gint i;
+
+ /* GLib will unset the value, memset to 0 the data instead of doing a proper
+ * reset. That's why we need to allocate the array here */
+ gst_value_init_list_or_array (dest_value);
+
+ varray = g_value_get_boxed (src_value);
+ array = dest_value->data[0].v_pointer;
+
+ for (i = 0; i < varray->n_values; i++) {
+ GValue val = G_VALUE_INIT;
+ gst_value_init_and_copy (&val, &varray->values[i]);
+ g_array_append_vals (array, &val, 1);
+ }
+}
+
+static void
+gst_value_transform_any_list_g_value_array (const GValue * src_value,
+ GValue * dest_value)
+{
+ GValueArray *varray;
+ const GArray *array;
+ gint i;
+
+ array = src_value->data[0].v_pointer;
+ varray = g_value_array_new (array->len);
+
+ for (i = 0; i < array->len; i++)
+ g_value_array_append (varray, &g_array_index (array, GValue, i));
+
+ g_value_take_boxed (dest_value, varray);
+}
+
/* Do an unordered compare of the contents of a list */
static gint
-gst_value_compare_list (const GValue * value1, const GValue * value2)
+gst_value_compare_value_list (const GValue * value1, const GValue * value2)
{
guint i, j;
GArray *array1 = value1->data[0].v_pointer;
continue;
v2 = &g_array_index (array2, GValue, j);
if (gst_value_compare_with_func (v1, v2, compare) == GST_VALUE_EQUAL) {
- /* mark item as removed now that we found it in array2 and
+ /* mark item as removed now that we found it in array2 and
* decrement the number of remaining items in array2. */
removed[j] = 1;
to_remove--;
/* Perform an ordered comparison of the contents of an array */
static gint
-gst_value_compare_array (const GValue * value1, const GValue * value2)
+gst_value_compare_value_array (const GValue * value1, const GValue * value2)
{
guint i;
GArray *array1 = value1->data[0].v_pointer;
return GST_VALUE_EQUAL;
}
+static gint
+gst_value_compare_g_value_array (const GValue * value1, const GValue * value2)
+{
+ guint i;
+ GValueArray *array1 = value1->data[0].v_pointer;
+ GValueArray *array2 = value2->data[0].v_pointer;
+ guint len = array1->n_values;
+ GValue *v1;
+ GValue *v2;
+
+ if (len != array2->n_values)
+ return GST_VALUE_UNORDERED;
+
+ for (i = 0; i < len; i++) {
+ v1 = g_value_array_get_nth (array1, i);
+ v2 = g_value_array_get_nth (array2, i);
+ if (gst_value_compare (v1, v2) != GST_VALUE_EQUAL)
+ return GST_VALUE_UNORDERED;
+ }
+
+ return GST_VALUE_EQUAL;
+}
+
static gchar *
-gst_value_serialize_list (const GValue * value)
+gst_value_serialize_value_list (const GValue * value)
{
- return gst_value_serialize_any_list (value, "{ ", " }");
+ return _priv_gst_value_serialize_any_list (value, "{ ", " }", TRUE);
}
static gboolean
-gst_value_deserialize_list (GValue * dest, const gchar * s)
+gst_value_deserialize_value_list (GValue * dest, const gchar * s)
{
- g_warning ("gst_value_deserialize_list: unimplemented");
- return FALSE;
+ gchar *s2 = (gchar *) s;
+ return _priv_gst_value_parse_list (s2, &s2, dest, G_TYPE_INVALID);
+}
+
+static gchar *
+gst_value_serialize_value_array (const GValue * value)
+{
+ return _priv_gst_value_serialize_any_list (value, "< ", " >", TRUE);
+}
+
+static gboolean
+gst_value_deserialize_value_array (GValue * dest, const gchar * s)
+{
+ gchar *s2 = (gchar *) s;
+ return _priv_gst_value_parse_array (s2, &s2, dest, G_TYPE_INVALID);
}
static gchar *
-gst_value_serialize_array (const GValue * value)
+gst_value_serialize_g_value_array (const GValue * value)
{
- return gst_value_serialize_any_list (value, "< ", " >");
+ return _gst_value_serialize_g_value_array (value, "< ", " >");
}
static gboolean
-gst_value_deserialize_array (GValue * dest, const gchar * s)
+gst_value_deserialize_g_value_array (GValue * dest, const gchar * s)
{
- g_warning ("gst_value_deserialize_array: unimplemented");
+ g_warning ("gst_value_deserialize_g_value_array: unimplemented");
return FALSE;
}
* Values in the range are defined as any value greater or equal
* to min*step, AND lesser or equal to max*step.
* For step == 1, this falls back to the traditional range semantics.
+ *
+ * data[0] = (min << 32) | (max)
+ * data[1] = step
+ *
*************/
-#define INT_RANGE_MIN(v) (((gint *)((v)->data[0].v_pointer))[0])
-#define INT_RANGE_MAX(v) (((gint *)((v)->data[0].v_pointer))[1])
-#define INT_RANGE_STEP(v) (((gint *)((v)->data[0].v_pointer))[2])
+#define INT_RANGE_MIN(v) ((gint) (((v)->data[0].v_uint64) >> 32))
+#define INT_RANGE_MAX(v) ((gint) (((v)->data[0].v_uint64) & 0xffffffff))
+#define INT_RANGE_STEP(v) ((v)->data[1].v_int)
static void
gst_value_init_int_range (GValue * value)
{
- gint *vals = g_slice_alloc0 (3 * sizeof (gint));
- value->data[0].v_pointer = vals;
- INT_RANGE_MIN (value) = 0;
- INT_RANGE_MAX (value) = 0;
- INT_RANGE_STEP (value) = 1;
-}
+ G_STATIC_ASSERT (sizeof (gint) <= 2 * sizeof (guint64));
-static void
-gst_value_free_int_range (GValue * value)
-{
- g_return_if_fail (GST_VALUE_HOLDS_INT_RANGE (value));
- g_slice_free1 (3 * sizeof (gint), value->data[0].v_pointer);
- value->data[0].v_pointer = NULL;
+ value->data[0].v_uint64 = 0;
+ value->data[1].v_int = 1;
}
static void
gst_value_copy_int_range (const GValue * src_value, GValue * dest_value)
{
- gint *vals = (gint *) dest_value->data[0].v_pointer;
- gint *src_vals = (gint *) src_value->data[0].v_pointer;
-
- if (vals == NULL) {
- gst_value_init_int_range (dest_value);
- }
- if (src_vals != NULL) {
- INT_RANGE_MIN (dest_value) = INT_RANGE_MIN (src_value);
- INT_RANGE_MAX (dest_value) = INT_RANGE_MAX (src_value);
- INT_RANGE_STEP (dest_value) = INT_RANGE_STEP (src_value);
- }
+ dest_value->data[0].v_uint64 = src_value->data[0].v_uint64;
+ dest_value->data[1].v_int = src_value->data[1].v_int;
}
static gchar *
gst_value_collect_int_range (GValue * value, guint n_collect_values,
GTypeCValue * collect_values, guint collect_flags)
{
- gint *vals = value->data[0].v_pointer;
-
if (n_collect_values != 2)
return g_strdup_printf ("not enough value locations for `%s' passed",
G_VALUE_TYPE_NAME (value));
return g_strdup_printf ("range start is not smaller than end for `%s'",
G_VALUE_TYPE_NAME (value));
- if (vals == NULL) {
- gst_value_init_int_range (value);
- }
-
gst_value_set_int_range_step (value, collect_values[0].v_int,
collect_values[1].v_int, 1);
{
guint32 *int_range_start = collect_values[0].v_pointer;
guint32 *int_range_end = collect_values[1].v_pointer;
- guint32 *int_range_step = collect_values[2].v_pointer;
- gint *vals = (gint *) value->data[0].v_pointer;
if (!int_range_start)
return g_strdup_printf ("start value location for `%s' passed as NULL",
if (!int_range_end)
return g_strdup_printf ("end value location for `%s' passed as NULL",
G_VALUE_TYPE_NAME (value));
- if (!int_range_step)
- return g_strdup_printf ("step value location for `%s' passed as NULL",
- G_VALUE_TYPE_NAME (value));
-
- if (G_UNLIKELY (vals == NULL)) {
- return g_strdup_printf ("Uninitialised `%s' passed",
- G_VALUE_TYPE_NAME (value));
- }
*int_range_start = INT_RANGE_MIN (value);
*int_range_end = INT_RANGE_MAX (value);
- *int_range_step = INT_RANGE_STEP (value);
return NULL;
}
void
gst_value_set_int_range_step (GValue * value, gint start, gint end, gint step)
{
+ guint64 sstart, sstop;
+
g_return_if_fail (GST_VALUE_HOLDS_INT_RANGE (value));
g_return_if_fail (start < end);
g_return_if_fail (step > 0);
g_return_if_fail (start % step == 0);
g_return_if_fail (end % step == 0);
- INT_RANGE_MIN (value) = start / step;
- INT_RANGE_MAX (value) = end / step;
- INT_RANGE_STEP (value) = step;
+ sstart = (guint) (start / step);
+ sstop = (guint) (end / step);
+ value->data[0].v_uint64 = (sstart << 32) | sstop;
+ value->data[1].v_int = step;
}
/**
*
* Gets the maximum of the range specified by @value.
*
- * Returns: the maxumum of the range
+ * Returns: the maximum of the range
*/
gint
gst_value_get_int_range_max (const GValue * value)
and bounds lie on the same value */
if (n1 > 1) {
if (INT_RANGE_STEP (value1) == INT_RANGE_STEP (value2) &&
- INT_RANGE_STEP (value1) == INT_RANGE_STEP (value2) &&
- INT_RANGE_STEP (value1) == INT_RANGE_STEP (value2)) {
+ INT_RANGE_MIN (value1) == INT_RANGE_MIN (value2) &&
+ INT_RANGE_MAX (value1) == INT_RANGE_MAX (value2)) {
return GST_VALUE_EQUAL;
}
return GST_VALUE_UNORDERED;
* @step: the step of the range
*
* Sets @value to the range specified by @start, @end and @step.
- *
- * Since: 0.11.0
*/
void
gst_value_set_int64_range_step (GValue * value, gint64 start, gint64 end,
* @end: the end of the range
*
* Sets @value to the range specified by @start and @end.
- *
- * Since: 0.10.31
*/
void
gst_value_set_int64_range (GValue * value, gint64 start, gint64 end)
* Gets the minimum of the range specified by @value.
*
* Returns: the minimum of the range
- *
- * Since: 0.10.31
*/
gint64
gst_value_get_int64_range_min (const GValue * value)
*
* Gets the maximum of the range specified by @value.
*
- * Returns: the maxumum of the range
- *
- * Since: 0.10.31
+ * Returns: the maximum of the range
*/
gint64
gst_value_get_int64_range_max (const GValue * value)
* Gets the step of the range specified by @value.
*
* Returns: the step of the range
- *
- * Since: 0.11.0
*/
gint64
gst_value_get_int64_range_step (const GValue * value)
and bounds lie on the same value */
if (n1 > 1) {
if (INT64_RANGE_STEP (value1) == INT64_RANGE_STEP (value2) &&
- INT64_RANGE_STEP (value1) == INT64_RANGE_STEP (value2) &&
- INT64_RANGE_STEP (value1) == INT64_RANGE_STEP (value2)) {
+ INT64_RANGE_MIN (value1) == INT64_RANGE_MIN (value2) &&
+ INT64_RANGE_MAX (value1) == INT64_RANGE_MAX (value2)) {
return GST_VALUE_EQUAL;
}
return GST_VALUE_UNORDERED;
*
* Gets the maximum of the range specified by @value.
*
- * Returns: the maxumum of the range
+ * Returns: the maximum of the range
*/
gdouble
gst_value_get_double_range_max (const GValue * value)
gst_value_compare_double_range (const GValue * value1, const GValue * value2)
{
if (value2->data[0].v_double == value1->data[0].v_double &&
- value2->data[0].v_double == value1->data[0].v_double)
+ value2->data[1].v_double == value1->data[1].v_double)
return GST_VALUE_EQUAL;
return GST_VALUE_UNORDERED;
}
/* g_value_unset (&end); */
}
+/* FIXME 2.0: Don't leak the internal representation of fraction
+ * ranges but instead return the numerator and denominator
+ * separately.
+ * This would allow to store fraction ranges as
+ * data[0] = (min_n << 32) | (min_d)
+ * data[1] = (max_n << 32) | (max_d)
+ * without requiring an additional allocation for each value.
+ */
+
/**
* gst_value_get_fraction_range_min:
* @value: a GValue initialized to GST_TYPE_FRACTION_RANGE
*
* Gets the minimum of the range specified by @value.
*
- * Returns: the minimum of the range
+ * Returns: (nullable): the minimum of the range
*/
const GValue *
gst_value_get_fraction_range_min (const GValue * value)
*
* Gets the maximum of the range specified by @value.
*
- * Returns: the maximum of the range
+ * Returns: (nullable): the maximum of the range
*/
const GValue *
gst_value_get_fraction_range_max (const GValue * value)
return (GstCaps *) g_value_get_boxed (value);
}
+static gint
+gst_value_compare_caps (const GValue * value1, const GValue * value2)
+{
+ GstCaps *caps1 = GST_CAPS (gst_value_get_caps (value1));
+ GstCaps *caps2 = GST_CAPS (gst_value_get_caps (value2));
+
+ if (gst_caps_is_equal (caps1, caps2))
+ return GST_VALUE_EQUAL;
+ return GST_VALUE_UNORDERED;
+}
+
static gchar *
gst_value_serialize_caps (const GValue * value)
{
GstCaps *caps = g_value_get_boxed (value);
-
- return gst_caps_to_string (caps);
+ return priv_gst_string_take_and_wrap (gst_caps_to_string (caps));
}
static gboolean
{
GstCaps *caps;
- caps = gst_caps_from_string (s);
+ if (*s != '"') {
+ caps = gst_caps_from_string (s);
+ } else {
+ gchar *str = gst_string_unwrap (s);
+
+ if (G_UNLIKELY (!str))
+ return FALSE;
+
+ caps = gst_caps_from_string (str);
+ g_free (str);
+ }
if (caps) {
g_value_take_boxed (dest, caps);
return FALSE;
}
-/****************
- * GstStructure *
- ****************/
+/********************************************
+ * Serialization/deserialization of GValues *
+ ********************************************/
+
+static GstValueAbbreviation *
+_priv_gst_value_get_abbrs (gint * n_abbrs)
+{
+ static GstValueAbbreviation *abbrs = NULL;
+ static volatile gsize num = 0;
+
+ if (g_once_init_enter (&num)) {
+ /* dynamically generate the array */
+ gsize _num;
+ GstValueAbbreviation dyn_abbrs[] = {
+ {"int", G_TYPE_INT}
+ ,
+ {"i", G_TYPE_INT}
+ ,
+ {"uint", G_TYPE_UINT}
+ ,
+ {"u", G_TYPE_UINT}
+ ,
+ {"float", G_TYPE_FLOAT}
+ ,
+ {"f", G_TYPE_FLOAT}
+ ,
+ {"double", G_TYPE_DOUBLE}
+ ,
+ {"d", G_TYPE_DOUBLE}
+ ,
+ {"buffer", GST_TYPE_BUFFER}
+ ,
+ {"fraction", GST_TYPE_FRACTION}
+ ,
+ {"boolean", G_TYPE_BOOLEAN}
+ ,
+ {"bool", G_TYPE_BOOLEAN}
+ ,
+ {"b", G_TYPE_BOOLEAN}
+ ,
+ {"string", G_TYPE_STRING}
+ ,
+ {"str", G_TYPE_STRING}
+ ,
+ {"s", G_TYPE_STRING}
+ ,
+ {"structure", GST_TYPE_STRUCTURE}
+ ,
+ {"date", G_TYPE_DATE}
+ ,
+ {"datetime", GST_TYPE_DATE_TIME}
+ ,
+ {"bitmask", GST_TYPE_BITMASK}
+ ,
+ {"flagset", GST_TYPE_FLAG_SET}
+ ,
+ {"sample", GST_TYPE_SAMPLE}
+ ,
+ {"taglist", GST_TYPE_TAG_LIST}
+ ,
+ {"type", G_TYPE_GTYPE}
+ ,
+ {"array", GST_TYPE_ARRAY}
+ ,
+ {"list", GST_TYPE_LIST}
+ };
+ _num = G_N_ELEMENTS (dyn_abbrs);
+ /* permanently allocate and copy the array now */
+ abbrs = g_new0 (GstValueAbbreviation, _num);
+ memcpy (abbrs, dyn_abbrs, sizeof (GstValueAbbreviation) * _num);
+ g_once_init_leave (&num, _num);
+ }
+ *n_abbrs = num;
-/**
- * gst_value_set_structure:
- * @value: a GValue initialized to GST_TYPE_STRUCTURE
- * @structure: the structure to set the value to
- *
- * Sets the contents of @value to @structure. The actual
- *
- * Since: 0.10.15
- */
-void
-gst_value_set_structure (GValue * value, const GstStructure * structure)
+ return abbrs;
+}
+
+/* given a type_name that could be a type abbreviation or a registered GType,
+ * return a matching GType */
+static GType
+_priv_gst_value_gtype_from_abbr (const char *type_name)
{
- g_return_if_fail (G_IS_VALUE (value));
- g_return_if_fail (G_VALUE_TYPE (value) == GST_TYPE_STRUCTURE);
- g_return_if_fail (structure == NULL || GST_IS_STRUCTURE (structure));
+ int i;
+ GstValueAbbreviation *abbrs;
+ gint n_abbrs;
+ GType ret;
+
+ g_return_val_if_fail (type_name != NULL, G_TYPE_INVALID);
+
+ abbrs = _priv_gst_value_get_abbrs (&n_abbrs);
+
+ for (i = 0; i < n_abbrs; i++) {
+ if (strcmp (type_name, abbrs[i].type_name) == 0) {
+ return abbrs[i].type;
+ }
+ }
+
+ /* this is the fallback */
+ ret = g_type_from_name (type_name);
+ /* If not found, try it as a dynamic type */
+ if (G_UNLIKELY (ret == 0))
+ ret = gst_dynamic_type_factory_load (type_name);
+ return ret;
+
+}
+
+const char *
+_priv_gst_value_gtype_to_abbr (GType type)
+{
+ int i;
+ GstValueAbbreviation *abbrs;
+ gint n_abbrs;
+
+ g_return_val_if_fail (type != G_TYPE_INVALID, NULL);
+
+ abbrs = _priv_gst_value_get_abbrs (&n_abbrs);
+
+ for (i = 0; i < n_abbrs; i++) {
+ if (type == abbrs[i].type) {
+ return abbrs[i].type_name;
+ }
+ }
+
+ return g_type_name (type);
+}
+
+/*
+ * _priv_gst_value_parse_string:
+ * @s: string to parse
+ * @end: out-pointer to char behind end of string
+ * @next: out-pointer to start of unread data
+ * @unescape: @TRUE if the substring is escaped.
+ *
+ * Find the end of a sub-string. If end == next, the string will not be
+ * null-terminated. In all other cases it will be.
+ *
+ * Note: This function modifies the string in @s (if unescape == @TRUE).
+ *
+ * Returns: @TRUE if a sub-string was found and @FALSE if the string is not
+ * terminated.
+ */
+gboolean
+_priv_gst_value_parse_string (gchar * s, gchar ** end, gchar ** next,
+ gboolean unescape)
+{
+ gchar *w;
+
+ if (*s == 0)
+ return FALSE;
+
+ if (*s != '"') {
+ int ret = _priv_gst_value_parse_simple_string (s, end);
+ *next = *end;
+
+ return ret;
+ }
+
+ /* Find the closing quotes */
+ if (unescape) {
+ w = s;
+ s++;
+ while (*s != '"') {
+ if (G_UNLIKELY (*s == 0))
+ return FALSE;
+ if (G_UNLIKELY (*s == '\\')) {
+ s++;
+ if (G_UNLIKELY (*s == 0))
+ return FALSE;
+ }
+ *w = *s;
+ w++;
+ s++;
+ }
+ s++;
+ } else {
+ s++;
+ while (*s != '"') {
+ if (G_UNLIKELY (*s == 0))
+ return FALSE;
+ if (G_UNLIKELY (*s == '\\')) {
+ s++;
+ if (G_UNLIKELY (*s == 0))
+ return FALSE;
+ }
+ s++;
+ }
+ s++;
+ w = s;
+ }
+
+ *end = w;
+ *next = s;
+
+ return TRUE;
+}
+
+static gboolean
+_priv_gst_value_parse_range (gchar * s, gchar ** after, GValue * value,
+ GType type)
+{
+ GValue value1 = { 0 };
+ GValue value2 = { 0 };
+ GValue value3 = { 0 };
+ GType range_type;
+ gboolean ret, have_step = FALSE;
+
+ if (*s != '[')
+ return FALSE;
+ s++;
+
+ ret = _priv_gst_value_parse_value (s, &s, &value1, type);
+ if (!ret)
+ return FALSE;
+
+ while (g_ascii_isspace (*s))
+ s++;
+
+ if (*s != ',')
+ return FALSE;
+ s++;
+
+ while (g_ascii_isspace (*s))
+ s++;
+
+ ret = _priv_gst_value_parse_value (s, &s, &value2, type);
+ if (!ret)
+ return FALSE;
+
+ while (g_ascii_isspace (*s))
+ s++;
+
+ /* optional step for int and int64 */
+ if (G_VALUE_TYPE (&value1) == G_TYPE_INT
+ || G_VALUE_TYPE (&value1) == G_TYPE_INT64) {
+ if (*s == ',') {
+ s++;
+
+ while (g_ascii_isspace (*s))
+ s++;
+
+ ret = _priv_gst_value_parse_value (s, &s, &value3, type);
+ if (!ret)
+ return FALSE;
+
+ while (g_ascii_isspace (*s))
+ s++;
+
+ have_step = TRUE;
+ }
+ }
+
+ if (*s != ']')
+ return FALSE;
+ s++;
+
+ if (G_VALUE_TYPE (&value1) != G_VALUE_TYPE (&value2))
+ return FALSE;
+ if (have_step && G_VALUE_TYPE (&value1) != G_VALUE_TYPE (&value3))
+ return FALSE;
+
+ if (G_VALUE_TYPE (&value1) == G_TYPE_DOUBLE) {
+ range_type = GST_TYPE_DOUBLE_RANGE;
+ g_value_init (value, range_type);
+ gst_value_set_double_range (value,
+ gst_g_value_get_double_unchecked (&value1),
+ gst_g_value_get_double_unchecked (&value2));
+ } else if (G_VALUE_TYPE (&value1) == G_TYPE_INT) {
+ range_type = GST_TYPE_INT_RANGE;
+ g_value_init (value, range_type);
+ if (have_step)
+ gst_value_set_int_range_step (value,
+ gst_g_value_get_int_unchecked (&value1),
+ gst_g_value_get_int_unchecked (&value2),
+ gst_g_value_get_int_unchecked (&value3));
+ else
+ gst_value_set_int_range (value, gst_g_value_get_int_unchecked (&value1),
+ gst_g_value_get_int_unchecked (&value2));
+ } else if (G_VALUE_TYPE (&value1) == G_TYPE_INT64) {
+ range_type = GST_TYPE_INT64_RANGE;
+ g_value_init (value, range_type);
+ if (have_step)
+ gst_value_set_int64_range_step (value,
+ gst_g_value_get_int64_unchecked (&value1),
+ gst_g_value_get_int64_unchecked (&value2),
+ gst_g_value_get_int64_unchecked (&value3));
+ else
+ gst_value_set_int64_range (value,
+ gst_g_value_get_int64_unchecked (&value1),
+ gst_g_value_get_int64_unchecked (&value2));
+ } else if (G_VALUE_TYPE (&value1) == GST_TYPE_FRACTION) {
+ range_type = GST_TYPE_FRACTION_RANGE;
+ g_value_init (value, range_type);
+ gst_value_set_fraction_range (value, &value1, &value2);
+ } else {
+ return FALSE;
+ }
+
+ *after = s;
+ return TRUE;
+}
+
+static gboolean
+_priv_gst_value_parse_any_list (gchar * s, gchar ** after, GValue * value,
+ GType type, char begin, char end)
+{
+ GValue list_value = { 0 };
+ gboolean ret;
+ GArray *array;
+
+ array = g_value_peek_pointer (value);
+
+ if (*s != begin)
+ return FALSE;
+ s++;
+
+ while (g_ascii_isspace (*s))
+ s++;
+ if (*s == end) {
+ s++;
+ *after = s;
+ return TRUE;
+ }
+
+ ret = _priv_gst_value_parse_value (s, &s, &list_value, type);
+ if (!ret)
+ return FALSE;
+
+ g_array_append_val (array, list_value);
+
+ while (g_ascii_isspace (*s))
+ s++;
+
+ while (*s != end) {
+ if (*s != ',')
+ return FALSE;
+ s++;
+
+ while (g_ascii_isspace (*s))
+ s++;
+
+ memset (&list_value, 0, sizeof (list_value));
+ ret = _priv_gst_value_parse_value (s, &s, &list_value, type);
+ if (!ret)
+ return FALSE;
+
+ g_array_append_val (array, list_value);
+ while (g_ascii_isspace (*s))
+ s++;
+ }
+
+ s++;
+
+ *after = s;
+ return TRUE;
+}
+
+static gboolean
+_priv_gst_value_parse_list (gchar * s, gchar ** after, GValue * value,
+ GType type)
+{
+ return _priv_gst_value_parse_any_list (s, after, value, type, '{', '}');
+}
+
+static gboolean
+_priv_gst_value_parse_array (gchar * s, gchar ** after, GValue * value,
+ GType type)
+{
+ return _priv_gst_value_parse_any_list (s, after, value, type, '<', '>');
+}
+
+gboolean
+_priv_gst_value_parse_simple_string (gchar * str, gchar ** end)
+{
+ char *s = str;
+
+ while (G_LIKELY (GST_ASCII_IS_STRING (*s))) {
+ s++;
+ }
+
+ *end = s;
+
+ return (s != str);
+}
+
+gboolean
+_priv_gst_value_parse_value (gchar * str,
+ gchar ** after, GValue * value, GType default_type)
+{
+ gchar *type_name;
+ gchar *type_end;
+ gchar *value_s;
+ gchar *value_end;
+ gchar *s;
+ gchar c;
+ int ret = 0;
+ GType type = default_type;
+
+ s = str;
+ while (g_ascii_isspace (*s))
+ s++;
+
+ /* check if there's a (type_name) 'cast' */
+ type_name = NULL;
+ if (*s == '(') {
+ s++;
+ while (g_ascii_isspace (*s))
+ s++;
+ type_name = s;
+ if (G_UNLIKELY (!_priv_gst_value_parse_simple_string (s, &type_end)))
+ return FALSE;
+ s = type_end;
+ while (g_ascii_isspace (*s))
+ s++;
+ if (G_UNLIKELY (*s != ')'))
+ return FALSE;
+ s++;
+ while (g_ascii_isspace (*s))
+ s++;
+
+ c = *type_end;
+ *type_end = 0;
+ type = _priv_gst_value_gtype_from_abbr (type_name);
+ GST_DEBUG ("trying type name '%s'", type_name);
+ *type_end = c;
+
+ if (G_UNLIKELY (type == G_TYPE_INVALID)) {
+ GST_WARNING ("invalid type");
+ return FALSE;
+ }
+ }
+
+ while (g_ascii_isspace (*s))
+ s++;
+ if (*s == '[') {
+ ret = _priv_gst_value_parse_range (s, &s, value, type);
+ } else if (*s == '{') {
+ g_value_init (value, GST_TYPE_LIST);
+ ret = _priv_gst_value_parse_list (s, &s, value, type);
+ } else if (*s == '<') {
+ g_value_init (value, GST_TYPE_ARRAY);
+ ret = _priv_gst_value_parse_array (s, &s, value, type);
+ } else {
+ value_s = s;
+
+ if (G_UNLIKELY (type == G_TYPE_INVALID)) {
+ GType try_types[] =
+ { G_TYPE_INT, G_TYPE_DOUBLE, GST_TYPE_FRACTION, GST_TYPE_FLAG_SET,
+ G_TYPE_BOOLEAN, G_TYPE_STRING
+ };
+ int i;
+
+ if (G_UNLIKELY (!_priv_gst_value_parse_string (s, &value_end, &s, TRUE)))
+ return FALSE;
+ /* Set NULL terminator for deserialization */
+ c = *value_end;
+ *value_end = '\0';
+
+ for (i = 0; i < G_N_ELEMENTS (try_types); i++) {
+ g_value_init (value, try_types[i]);
+ ret = gst_value_deserialize (value, value_s);
+ if (ret)
+ break;
+ g_value_unset (value);
+ }
+ } else {
+ g_value_init (value, type);
+
+ if (G_UNLIKELY (!_priv_gst_value_parse_string (s, &value_end, &s,
+ (type != G_TYPE_STRING))))
+ return FALSE;
+ /* Set NULL terminator for deserialization */
+ c = *value_end;
+ *value_end = '\0';
+
+ ret = gst_value_deserialize (value, value_s);
+ if (G_UNLIKELY (!ret))
+ g_value_unset (value);
+ }
+ *value_end = c;
+ }
+
+ *after = s;
+
+ return ret;
+}
+
+/**************
+ * GstSegment *
+ **************/
+
+static gchar *
+gst_value_serialize_segment_internal (const GValue * value, gboolean escape)
+{
+ 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,
+ "offset", G_TYPE_UINT64, seg->offset,
+ "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);
+ if (escape) {
+ res = g_strdup_printf ("\"%s\"", t);
+ g_free (t);
+ } else {
+ res = t;
+ }
+ gst_structure_free (s);
+
+ return res;
+}
+
+static gchar *
+gst_value_serialize_segment (const GValue * value)
+{
+ return gst_value_serialize_segment_internal (value, TRUE);
+}
+
+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,
+ "offset", G_TYPE_UINT64, &seg.offset,
+ "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 *
+ ****************/
+
+/**
+ * gst_value_set_structure:
+ * @value: a GValue initialized to GST_TYPE_STRUCTURE
+ * @structure: the structure to set the value to
+ *
+ * Sets the contents of @value to @structure.
+ */
+void
+gst_value_set_structure (GValue * value, const GstStructure * structure)
+{
+ g_return_if_fail (G_IS_VALUE (value));
+ g_return_if_fail (G_VALUE_TYPE (value) == GST_TYPE_STRUCTURE);
+ g_return_if_fail (structure == NULL || GST_IS_STRUCTURE (structure));
g_value_set_boxed (value, structure);
}
* Gets the contents of @value.
*
* Returns: (transfer none): the contents of @value
- *
- * Since: 0.10.15
*/
const GstStructure *
gst_value_get_structure (const GValue * value)
{
GstStructure *structure = g_value_get_boxed (value);
- return gst_string_take_and_wrap (gst_structure_to_string (structure));
+ return priv_gst_string_take_and_wrap (gst_structure_to_string (structure));
}
static gboolean
return FALSE;
}
+static gboolean
+gst_value_compare_structure (const GValue * value1, const GValue * value2)
+{
+ GstStructure *structure1 = GST_STRUCTURE (g_value_get_boxed (value1));
+ GstStructure *structure2 = GST_STRUCTURE (g_value_get_boxed (value2));
+
+ if (structure1 == structure2)
+ return GST_VALUE_EQUAL;
+
+ if (!structure1 || !structure2)
+ return GST_VALUE_UNORDERED;
+
+ if (gst_structure_is_equal (structure1, structure2))
+ return GST_VALUE_EQUAL;
+
+ return GST_VALUE_UNORDERED;
+}
+
+/*******************
+ * GstCapsFeatures *
+ *******************/
+
+/**
+ * gst_value_set_caps_features:
+ * @value: a GValue initialized to GST_TYPE_CAPS_FEATURES
+ * @features: the features to set the value to
+ *
+ * Sets the contents of @value to @features.
+ */
+void
+gst_value_set_caps_features (GValue * value, const GstCapsFeatures * features)
+{
+ g_return_if_fail (G_IS_VALUE (value));
+ g_return_if_fail (G_VALUE_TYPE (value) == GST_TYPE_CAPS_FEATURES);
+ g_return_if_fail (features == NULL || GST_IS_CAPS_FEATURES (features));
+
+ g_value_set_boxed (value, features);
+}
+
+/**
+ * gst_value_get_caps_features:
+ * @value: a GValue initialized to GST_TYPE_CAPS_FEATURES
+ *
+ * Gets the contents of @value.
+ *
+ * Returns: (transfer none): the contents of @value
+ */
+const GstCapsFeatures *
+gst_value_get_caps_features (const GValue * value)
+{
+ g_return_val_if_fail (G_IS_VALUE (value), NULL);
+ g_return_val_if_fail (G_VALUE_TYPE (value) == GST_TYPE_CAPS_FEATURES, NULL);
+
+ return (GstCapsFeatures *) g_value_get_boxed (value);
+}
+
+static gchar *
+gst_value_serialize_caps_features (const GValue * value)
+{
+ GstCapsFeatures *features = g_value_get_boxed (value);
+
+ return priv_gst_string_take_and_wrap (gst_caps_features_to_string (features));
+}
+
+static gboolean
+gst_value_deserialize_caps_features (GValue * dest, const gchar * s)
+{
+ GstCapsFeatures *features;
+
+ if (*s != '"') {
+ features = gst_caps_features_from_string (s);
+ } else {
+ gchar *str = gst_string_unwrap (s);
+
+ if (G_UNLIKELY (!str))
+ return FALSE;
+
+ features = gst_caps_features_from_string (str);
+ g_free (str);
+ }
+
+ if (G_LIKELY (features)) {
+ g_value_take_boxed (dest, features);
+ return TRUE;
+ }
+ return FALSE;
+}
+
+/**************
+ * GstTagList *
+ **************/
+static gint
+gst_value_compare_tag_list (const GValue * value1, const GValue * value2)
+{
+ GstTagList *taglist1 = GST_TAG_LIST (g_value_get_boxed (value1));
+ GstTagList *taglist2 = GST_TAG_LIST (g_value_get_boxed (value2));
+
+ if (gst_tag_list_is_equal (taglist1, taglist2))
+ return GST_VALUE_EQUAL;
+ return GST_VALUE_UNORDERED;
+}
+
+static gboolean
+gst_value_deserialize_tag_list (GValue * dest, const gchar * s)
+{
+ GstTagList *taglist;
+
+ if (*s != '"') {
+ taglist = gst_tag_list_new_from_string (s);
+ } else {
+ gchar *str = gst_string_unwrap (s);
+
+ if (G_UNLIKELY (!str))
+ return FALSE;
+
+ taglist = gst_tag_list_new_from_string (str);
+ g_free (str);
+ }
+
+ if (G_LIKELY (taglist != NULL)) {
+ g_value_take_boxed (dest, taglist);
+ return TRUE;
+ }
+ return FALSE;
+}
+
+static gchar *
+gst_value_serialize_tag_list (const GValue * value)
+{
+ GstTagList *taglist = g_value_get_boxed (value);
+
+ return priv_gst_string_take_and_wrap (gst_tag_list_to_string (taglist));
+}
+
+
/*************
* GstBuffer *
*************/
static gint
-gst_value_compare_buffer (const GValue * value1, const GValue * value2)
+compare_buffer (GstBuffer * buf1, GstBuffer * buf2)
{
- GstBuffer *buf1 = gst_value_get_buffer (value1);
- GstBuffer *buf2 = gst_value_get_buffer (value2);
gsize size1, size2;
GstMapInfo info1, info2;
- gint result = GST_VALUE_UNORDERED;
+ gint result, mret;
+
+ if (buf1 == buf2)
+ return GST_VALUE_EQUAL;
size1 = gst_buffer_get_size (buf1);
size2 = gst_buffer_get_size (buf2);
return GST_VALUE_UNORDERED;
if (!gst_buffer_map (buf2, &info2, GST_MAP_READ)) {
- gst_buffer_unmap (buf1, &info2);
+ gst_buffer_unmap (buf1, &info1);
return GST_VALUE_UNORDERED;
}
- if (memcmp (info1.data, info2.data, info1.size) == 0)
+ mret = memcmp (info1.data, info2.data, info1.size);
+ if (mret == 0)
result = GST_VALUE_EQUAL;
+ else if (mret < 0)
+ result = GST_VALUE_LESS_THAN;
+ else
+ result = GST_VALUE_GREATER_THAN;
- gst_buffer_unmap (buf2, &info1);
- gst_buffer_unmap (buf1, &info2);
+ gst_buffer_unmap (buf1, &info1);
+ gst_buffer_unmap (buf2, &info2);
+
+ return result;
+}
+
+static gint
+gst_value_compare_buffer (const GValue * value1, const GValue * value2)
+{
+ GstBuffer *buf1 = gst_value_get_buffer (value1);
+ GstBuffer *buf2 = gst_value_get_buffer (value2);
- return result;
+ return compare_buffer (buf1, buf2);
}
static gchar *
}
}
+/*************
+ * GstSample *
+ *************/
+
+/* This function is mostly used for comparing image/buffer tags in taglists */
+static gint
+gst_value_compare_sample (const GValue * value1, const GValue * value2)
+{
+ GstBuffer *buf1 = gst_sample_get_buffer (gst_value_get_sample (value1));
+ GstBuffer *buf2 = gst_sample_get_buffer (gst_value_get_sample (value2));
+
+ /* FIXME: should we take into account anything else such as caps? */
+ return compare_buffer (buf1, buf2);
+}
+
+static gchar *
+gst_value_serialize_sample (const GValue * value)
+{
+ const GstStructure *info_structure;
+ GstSegment *segment;
+ GstBuffer *buffer;
+ GstCaps *caps;
+ GstSample *sample;
+ GValue val = { 0, };
+ gchar *info_str, *caps_str, *tmp;
+ gchar *buf_str, *seg_str, *s;
+
+ sample = g_value_get_boxed (value);
+
+ buffer = gst_sample_get_buffer (sample);
+ if (buffer) {
+ g_value_init (&val, GST_TYPE_BUFFER);
+ g_value_set_boxed (&val, buffer);
+ buf_str = gst_value_serialize_buffer (&val);
+ g_value_unset (&val);
+ } else {
+ buf_str = g_strdup ("None");
+ }
+
+ caps = gst_sample_get_caps (sample);
+ if (caps) {
+ tmp = gst_caps_to_string (caps);
+ caps_str = g_base64_encode ((guchar *) tmp, strlen (tmp) + 1);
+ g_strdelimit (caps_str, "=", '_');
+ g_free (tmp);
+ } else {
+ caps_str = g_strdup ("None");
+ }
+
+ segment = gst_sample_get_segment (sample);
+ if (segment) {
+ g_value_init (&val, GST_TYPE_SEGMENT);
+ g_value_set_boxed (&val, segment);
+ tmp = gst_value_serialize_segment_internal (&val, FALSE);
+ seg_str = g_base64_encode ((guchar *) tmp, strlen (tmp) + 1);
+ g_strdelimit (seg_str, "=", '_');
+ g_free (tmp);
+ g_value_unset (&val);
+ } else {
+ seg_str = g_strdup ("None");
+ }
+
+ info_structure = gst_sample_get_info (sample);
+ if (info_structure) {
+ tmp = gst_structure_to_string (info_structure);
+ info_str = g_base64_encode ((guchar *) tmp, strlen (tmp) + 1);
+ g_strdelimit (info_str, "=", '_');
+ g_free (tmp);
+ } else {
+ info_str = g_strdup ("None");
+ }
+
+ s = g_strconcat (buf_str, ":", caps_str, ":", seg_str, ":", info_str, NULL);
+ g_free (buf_str);
+ g_free (caps_str);
+ g_free (seg_str);
+ g_free (info_str);
+
+ return s;
+}
+
+static gboolean
+gst_value_deserialize_sample (GValue * dest, const gchar * s)
+{
+ GValue bval = G_VALUE_INIT, sval = G_VALUE_INIT;
+ GstStructure *info;
+ GstSample *sample;
+ GstCaps *caps = NULL;
+ gboolean ret = FALSE;
+ gchar **fields;
+ gsize outlen;
+ gint len;
+
+ GST_TRACE ("deserialize '%s'", s);
+
+ fields = g_strsplit (s, ":", -1);
+ len = g_strv_length (fields);
+ if (len != 4)
+ goto wrong_length;
+
+ g_value_init (&bval, GST_TYPE_BUFFER);
+ g_value_init (&sval, GST_TYPE_SEGMENT);
+
+ if (!gst_value_deserialize_buffer (&bval, fields[0]))
+ goto fail;
+
+ if (strcmp (fields[1], "None") != 0) {
+ g_strdelimit (fields[1], "_", '=');
+ g_base64_decode_inplace (fields[1], &outlen);
+ GST_TRACE ("caps : %s", fields[1]);
+ caps = gst_caps_from_string (fields[1]);
+ if (caps == NULL)
+ goto fail;
+ }
+
+ if (strcmp (fields[2], "None") != 0) {
+ g_strdelimit (fields[2], "_", '=');
+ g_base64_decode_inplace (fields[2], &outlen);
+ GST_TRACE ("segment : %s", fields[2]);
+ if (!gst_value_deserialize_segment (&sval, fields[2]))
+ goto fail;
+ }
+
+ if (strcmp (fields[3], "None") != 0) {
+ g_strdelimit (fields[3], "_", '=');
+ g_base64_decode_inplace (fields[3], &outlen);
+ GST_TRACE ("info : %s", fields[3]);
+ info = gst_structure_from_string (fields[3], NULL);
+ if (info == NULL)
+ goto fail;
+ } else {
+ info = NULL;
+ }
+
+ sample = gst_sample_new (gst_value_get_buffer (&bval), caps,
+ g_value_get_boxed (&sval), info);
+
+ g_value_take_boxed (dest, sample);
+
+ ret = TRUE;
+
+fail:
+ if (caps)
+ gst_caps_unref (caps);
+ g_value_unset (&bval);
+ g_value_unset (&sval);
+
+wrong_length:
+
+ g_strfreev (fields);
+
+ return ret;
+}
/***********
* boolean *
{
gboolean ret = FALSE;
gchar *end;
- gint64 mask = -1;
+ guint64 mask = ~0;
errno = 0;
*to = g_ascii_strtoull (s, &end, 0);
return ret; \
}
-#define REGISTER_SERIALIZATION(_gtype, _type) \
-G_STMT_START { \
- static const GstValueTable gst_value = { \
- _gtype, \
- gst_value_compare_ ## _type, \
- gst_value_serialize_ ## _type, \
- gst_value_deserialize_ ## _type, \
- }; \
- \
- gst_value_register (&gst_value); \
-} G_STMT_END
-
CREATE_SERIALIZATION (int, INT);
CREATE_SERIALIZATION (int64, INT64);
CREATE_SERIALIZATION (long, LONG);
CREATE_USERIALIZATION (uint64, UINT64);
CREATE_USERIALIZATION (ulong, ULONG);
-/* FIXME 0.11: remove this again, plugins shouldn't have uchar properties */
+/* FIXME 2.0: remove this again, plugins shouldn't have uchar properties */
#ifndef G_MAXUCHAR
#define G_MAXUCHAR 255
#endif
}
/* Same as above, but take ownership of the string */
-static gchar *
-gst_string_take_and_wrap (gchar * s)
+gchar *
+priv_gst_string_take_and_wrap (gchar * s)
{
gchar *out;
gint len = gst_string_measure_wrapping (s);
* 0->3, y is copied unescaped.
*
* If \xyy is found where x is an octal number but y is not, an
- * error is encountered and NULL is returned.
+ * error is encountered and %NULL is returned.
*
* the input string must be \0 terminated.
*/
if (G_UNLIKELY (strcmp (s, "NULL") == 0)) {
g_value_set_string (dest, NULL);
return TRUE;
- } else if (G_LIKELY (*s != '"')) {
+ } else if (G_LIKELY (*s != '"' || s[strlen (s) - 1] != '"')) {
if (!g_utf8_validate (s, -1, NULL))
return FALSE;
g_value_set_string (dest, s);
return TRUE;
} else {
+ /* strings delimited with double quotes should be unwrapped */
gchar *str = gst_string_unwrap (s);
if (G_UNLIKELY (!str))
return FALSE;
found = gst_iterator_find_custom (iter,
(GCompareFunc) gst_value_deserialize_enum_iter_cmp, &res, (gpointer) s);
- g_return_val_if_fail (found, FALSE);
- format_def = g_value_get_pointer (&res);
- g_return_val_if_fail (format_def != NULL, FALSE);
- g_value_set_enum (dest, (gint) format_def->value);
- g_value_unset (&res);
+ if (found) {
+ format_def = g_value_get_pointer (&res);
+ g_return_val_if_fail (format_def != NULL, FALSE);
+ g_value_set_enum (dest, (gint) format_def->value);
+ g_value_unset (&res);
+ }
gst_iterator_free (iter);
- return TRUE;
+ return found;
}
- g_return_val_if_fail (en, FALSE);
+ /* enum name/nick not found */
+ if (en == NULL)
+ return FALSE;
+
g_value_set_enum (dest, en->value);
return TRUE;
}
/* we just compare the value here */
static gint
-gst_value_compare_flags (const GValue * value1, const GValue * value2)
+gst_value_compare_gflags (const GValue * value1, const GValue * value2)
{
guint fl1, fl2;
GFlagsClass *klass1 =
/* the different flags are serialized separated with a + */
static gchar *
-gst_value_serialize_flags (const GValue * value)
+gst_value_serialize_gflags (const GValue * value)
{
guint flags;
GFlagsValue *fl;
/* if no flags are set, try to serialize to the _NONE string */
if (!flags) {
fl = g_flags_get_first_value (klass, flags);
- return g_strdup (fl->value_name);
+ if (fl)
+ return g_strdup (fl->value_name);
+ else
+ return g_strdup ("0");
}
/* some flags are set, so serialize one by one */
}
static gboolean
-gst_value_deserialize_flags (GValue * dest, const gchar * s)
+gst_value_gflags_str_to_flags (GFlagsClass * klass, const gchar * s,
+ guint * out_flags, guint * out_mask)
{
GFlagsValue *fl;
- gchar *endptr = NULL;
- GFlagsClass *klass = (GFlagsClass *) g_type_class_ref (G_VALUE_TYPE (dest));
- gchar **split;
- guint flags;
- gint i;
+ gchar delimiter;
+ const gchar *pos = NULL;
+ const gchar *next;
+ gchar *cur_str, *endptr;
+ guint flags = 0;
+ guint mask = 0;
+ guint val;
g_return_val_if_fail (klass, FALSE);
- /* split into parts delimited with + */
- split = g_strsplit (s, "+", 0);
+ /* split into parts delimited with + or / and
+ * compose the set of flags and mask. */
+ pos = s;
- flags = 0;
- i = 0;
- /* loop over each part */
- while (split[i]) {
- if (!(fl = g_flags_get_value_by_name (klass, split[i]))) {
- if (!(fl = g_flags_get_value_by_nick (klass, split[i]))) {
- gint val = strtol (split[i], &endptr, 0);
+ if (*pos == '\0')
+ goto done; /* Empty string, nothing to do */
- /* just or numeric value */
- if (endptr && *endptr == '\0') {
- flags |= val;
- }
+ /* As a special case if the first char isn't a delimiter, assume
+ * it's a '+' - for GFlags strings, which don't start with a
+ * delimiter, while GFlagSet always will */
+ if (*pos == '/' || *pos == '+') {
+ delimiter = *pos;
+ pos++;
+ } else {
+ delimiter = '+';
+ }
+
+ do {
+ /* Find the next delimiter */
+ next = pos;
+ while (*next != '\0' && *next != '+' && *next != '/')
+ next++;
+ cur_str = g_strndup (pos, next - pos);
+
+ if ((fl = g_flags_get_value_by_name (klass, cur_str)))
+ val = fl->value;
+ else if ((fl = g_flags_get_value_by_nick (klass, cur_str)))
+ val = fl->value;
+ else {
+ val = strtoul (cur_str, &endptr, 0);
+ /* direct numeric value */
+ if (endptr == NULL || *endptr != '\0') {
+ g_free (cur_str);
+ return FALSE; /* Invalid numeric or string we can't convert */
}
}
- if (fl) {
- flags |= fl->value;
+ g_free (cur_str);
+
+ if (val) {
+ mask |= val;
+ if (delimiter == '+')
+ flags |= val;
}
- i++;
+
+ /* Advance to the next delimiter */
+ pos = next;
+ delimiter = *pos;
+ pos++;
+ } while (delimiter != '\0');
+
+done:
+ if (out_flags)
+ *out_flags = flags;
+ if (out_mask)
+ *out_mask = mask;
+
+ return TRUE;
+}
+
+
+static gboolean
+gst_value_deserialize_gflags (GValue * dest, const gchar * s)
+{
+ GFlagsClass *klass = (GFlagsClass *) g_type_class_ref (G_VALUE_TYPE (dest));
+ gboolean res = FALSE;
+ guint flags = 0;
+
+ if (gst_value_gflags_str_to_flags (klass, s, &flags, NULL)) {
+ g_value_set_flags (dest, flags);
+ res = TRUE;
}
- g_strfreev (split);
+
g_type_class_unref (klass);
- g_value_set_flags (dest, flags);
- return TRUE;
+ return res;
+}
+
+/*********
+ * gtype *
+ *********/
+
+static gint
+gst_value_compare_gtype (const GValue * value1, const GValue * value2)
+{
+ if (value1->data[0].v_pointer == value2->data[0].v_pointer)
+ return GST_VALUE_EQUAL;
+ return GST_VALUE_UNORDERED;
+}
+
+static gchar *
+gst_value_serialize_gtype (const GValue * value)
+{
+ return g_strdup (g_type_name (g_value_get_gtype (value)));
+}
+
+static gboolean
+gst_value_deserialize_gtype (GValue * dest, const gchar * s)
+{
+ GType t = g_type_from_name (s);
+ gboolean ret = TRUE;
+
+ if (t == G_TYPE_INVALID)
+ ret = FALSE;
+ if (ret) {
+ g_value_set_gtype (dest, t);
+ }
+ return ret;
}
/****************
return TRUE;
}
+/* A flag set is a subset of another if the superset allows the
+ * flags of the subset */
+static gboolean
+gst_value_is_subset_flagset_flagset (const GValue * value1,
+ const GValue * value2)
+{
+ guint f1, f2;
+ guint m1, m2;
+
+ g_return_val_if_fail (GST_VALUE_HOLDS_FLAG_SET (value1), FALSE);
+ g_return_val_if_fail (GST_VALUE_HOLDS_FLAG_SET (value2), FALSE);
+
+ f1 = value1->data[0].v_uint;
+ f2 = value2->data[0].v_uint;
+
+ m1 = value1->data[1].v_uint;
+ m2 = value2->data[1].v_uint;
+
+ /* Not a subset if masked bits of superset disagree */
+ if ((f1 & m1) != (f2 & (m1 & m2)))
+ return FALSE;
+
+ return TRUE;
+}
+
+static gboolean
+gst_value_is_subset_structure_structure (const GValue * value1,
+ const GValue * value2)
+{
+ const GstStructure *s1, *s2;
+
+ g_return_val_if_fail (GST_VALUE_HOLDS_STRUCTURE (value1), FALSE);
+ g_return_val_if_fail (GST_VALUE_HOLDS_STRUCTURE (value2), FALSE);
+
+ s1 = gst_value_get_structure (value1);
+ s2 = gst_value_get_structure (value2);
+
+ return gst_structure_is_subset (s1, s2);
+}
+
/**
* gst_value_is_subset:
* @value1: a #GValue
} else if (GST_VALUE_HOLDS_INT64_RANGE (value1)
&& GST_VALUE_HOLDS_INT64_RANGE (value2)) {
return gst_value_is_subset_int64_range_int64_range (value1, value2);
+ } else if (GST_VALUE_HOLDS_FLAG_SET (value1) &&
+ GST_VALUE_HOLDS_FLAG_SET (value2)) {
+ return gst_value_is_subset_flagset_flagset (value1, value2);
+ } else if (GST_VALUE_HOLDS_STRUCTURE (value1)
+ && GST_VALUE_HOLDS_STRUCTURE (value2)) {
+ return gst_value_is_subset_structure_structure (value1, value2);
}
/*
/* check if it extends the range */
if (v == (INT_RANGE_MIN (src2) - 1) * INT_RANGE_STEP (src2)) {
if (dest) {
+ guint64 new_min = INT_RANGE_MIN (src2) - 1;
+ guint64 new_max = INT_RANGE_MAX (src2);
+
gst_value_init_and_copy (dest, src2);
- --INT_RANGE_MIN (src2);
+ dest->data[0].v_uint64 = (new_min << 32) | (new_max);
}
return TRUE;
}
if (v == (INT_RANGE_MAX (src2) + 1) * INT_RANGE_STEP (src2)) {
if (dest) {
+ guint64 new_min = INT_RANGE_MIN (src2);
+ guint64 new_max = INT_RANGE_MAX (src2) + 1;
+
gst_value_init_and_copy (dest, src2);
- ++INT_RANGE_MAX (src2);
+ dest->data[0].v_uint64 = (new_min << 32) | (new_max);
}
return TRUE;
}
if (scalar ==
(INT_RANGE_MIN (range_value) - 1) * INT_RANGE_STEP (range_value)) {
if (dest) {
+ guint64 new_min = (guint)
+ ((INT_RANGE_MIN (range_value) -
+ 1) * INT_RANGE_STEP (range_value));
+ guint64 new_max = (guint)
+ (INT_RANGE_MAX (range_value) * INT_RANGE_STEP (range_value));
+
gst_value_init_and_copy (dest, range_value);
- --INT_RANGE_MIN (range_value);
+ dest->data[0].v_uint64 = (new_min << 32) | (new_max);
}
return TRUE;
} else if (scalar ==
(INT_RANGE_MAX (range_value) + 1) * INT_RANGE_STEP (range_value)) {
if (dest) {
+ guint64 new_min = (guint)
+ (INT_RANGE_MIN (range_value) * INT_RANGE_STEP (range_value));
+ guint64 new_max = (guint)
+ ((INT_RANGE_MAX (range_value) +
+ 1) * INT_RANGE_STEP (range_value));
gst_value_init_and_copy (dest, range_value);
- ++INT_RANGE_MIN (range_value);
+ dest->data[0].v_uint64 = (new_min << 32) | (new_max);
}
return TRUE;
}
return FALSE;
}
+static gboolean
+gst_value_union_flagset_flagset (GValue * dest, const GValue * src1,
+ const GValue * src2)
+{
+ /* We can union 2 flag sets where they do not disagree on
+ * required (masked) flag bits */
+ guint64 f1, f2;
+ guint64 m1, m2;
+
+ g_return_val_if_fail (GST_VALUE_HOLDS_FLAG_SET (src1), FALSE);
+ g_return_val_if_fail (GST_VALUE_HOLDS_FLAG_SET (src2), FALSE);
+
+ f1 = src1->data[0].v_uint;
+ f2 = src2->data[0].v_uint;
+
+ m1 = src1->data[1].v_uint;
+ m2 = src2->data[1].v_uint;
+
+ /* Can't union if masked bits disagree */
+ if ((f1 & (m1 & m2)) != (f2 & (m1 & m2)))
+ return FALSE;
+
+ if (dest) {
+ g_value_init (dest, GST_TYPE_FLAG_SET);
+ /* Copy masked bits from src2 to src1 */
+ f1 &= ~m2;
+ f1 |= (f2 & m2);
+ m1 |= m2;
+ gst_value_set_flagset (dest, f1, m1);
+ }
+
+ return TRUE;
+}
+
+/* iterating over the result taking the union with the other structure's value */
+static gboolean
+structure_field_union_into (GQuark field_id, GValue * val, gpointer user_data)
+{
+ GstStructure *other = user_data;
+ const GValue *other_value;
+ GValue res_value = G_VALUE_INIT;
+
+ other_value = gst_structure_id_get_value (other, field_id);
+ /* no value in the other struct, just keep this value */
+ if (!other_value)
+ return TRUE;
+
+ if (!gst_value_union (&res_value, val, other_value))
+ return FALSE;
+
+ g_value_unset (val);
+ gst_value_move (val, &res_value);
+ return TRUE;
+}
+
+/* iterating over the other source structure adding missing values */
+static gboolean
+structure_field_union_from (GQuark field_id, const GValue * other_val,
+ gpointer user_data)
+{
+ GstStructure *result = user_data;
+ const GValue *result_value;
+
+ result_value = gst_structure_id_get_value (result, field_id);
+ if (!result_value)
+ gst_structure_id_set_value (result, field_id, other_val);
+
+ return TRUE;
+}
+
+static gboolean
+gst_value_union_structure_structure (GValue * dest, const GValue * src1,
+ const GValue * src2)
+{
+ const GstStructure *s1, *s2;
+ GstStructure *result;
+ gboolean ret;
+
+ g_return_val_if_fail (GST_VALUE_HOLDS_STRUCTURE (src1), FALSE);
+ g_return_val_if_fail (GST_VALUE_HOLDS_STRUCTURE (src2), FALSE);
+
+ s1 = gst_value_get_structure (src1);
+ s2 = gst_value_get_structure (src2);
+
+ /* Can't join two structures with different names into a single structure */
+ if (!gst_structure_has_name (s1, gst_structure_get_name (s2))) {
+ gst_value_list_concat (dest, src1, src2);
+ return TRUE;
+ }
+
+ result = gst_structure_copy (s1);
+ ret =
+ gst_structure_map_in_place (result, structure_field_union_into,
+ (gpointer) s2);
+ if (!ret)
+ goto out;
+ ret =
+ gst_structure_foreach (s2, structure_field_union_from, (gpointer) result);
+
+ if (ret) {
+ g_value_init (dest, GST_TYPE_STRUCTURE);
+ gst_value_set_structure (dest, result);
+ }
+
+out:
+ gst_structure_free (result);
+ return ret;
+}
+
/****************
* intersection *
****************/
return FALSE;
}
+#define INT64_RANGE_MIN_VAL(v) (INT64_RANGE_MIN (v) * INT64_RANGE_STEP (v))
+#define INT64_RANGE_MAX_VAL(v) (INT64_RANGE_MAX (v) * INT64_RANGE_STEP (v))
+
static gboolean
gst_value_intersect_int64_int64_range (GValue * dest, const GValue * src1,
const GValue * src2)
{
- if (INT64_RANGE_MIN (src2) * INT64_RANGE_STEP (src2) <= src1->data[0].v_int &&
- INT64_RANGE_MAX (src2) * INT64_RANGE_STEP (src2) >= src1->data[0].v_int &&
- src1->data[0].v_int % INT64_RANGE_STEP (src2) == 0) {
+ if (INT64_RANGE_MIN_VAL (src2) <= src1->data[0].v_int64 &&
+ INT64_RANGE_MAX_VAL (src2) >= src1->data[0].v_int64 &&
+ src1->data[0].v_int64 % INT64_RANGE_STEP (src2) == 0) {
if (dest)
gst_value_init_and_copy (dest, src1);
return TRUE;
if (gst_value_intersect (&intersection, cur, value2)) {
/* append value */
if (!ret) {
- gst_value_init_and_copy (dest, &intersection);
+ gst_value_move (dest, &intersection);
ret = TRUE;
} else if (GST_VALUE_HOLDS_LIST (dest)) {
- gst_value_list_append_value (dest, &intersection);
+ _gst_value_list_append_and_take_value (dest, &intersection);
} else {
- GValue temp = { 0, };
+ GValue temp;
- gst_value_init_and_copy (&temp, dest);
- g_value_unset (dest);
- gst_value_list_concat (dest, &temp, &intersection);
+ gst_value_move (&temp, dest);
+ gst_value_list_merge (dest, &temp, &intersection);
g_value_unset (&temp);
+ g_value_unset (&intersection);
}
- g_value_unset (&intersection);
}
}
g_value_unset (dest);
return FALSE;
}
- gst_value_array_append_value (dest, &val);
- g_value_unset (&val);
+ _gst_value_array_append_and_take_value (dest, &val);
}
return TRUE;
return FALSE;
}
+/* Two flagsets intersect if the masked bits in both
+ * flagsets are exactly equal */
+static gboolean
+gst_value_intersect_flagset_flagset (GValue * dest,
+ const GValue * src1, const GValue * src2)
+{
+ guint f1, f2;
+ guint m1, m2;
+ GType type1, type2, flagset_type;
+
+ g_return_val_if_fail (GST_VALUE_HOLDS_FLAG_SET (src1), FALSE);
+ g_return_val_if_fail (GST_VALUE_HOLDS_FLAG_SET (src2), FALSE);
+
+ f1 = src1->data[0].v_uint;
+ f2 = src2->data[0].v_uint;
+
+ m1 = src1->data[1].v_uint;
+ m2 = src2->data[1].v_uint;
+
+ /* Don't intersect if masked bits disagree */
+ if ((f1 & (m1 & m2)) != (f2 & (m1 & m2)))
+ return FALSE;
+
+ /* Allow intersection with the generic FlagSet type, on one
+ * side, but not 2 different subtypes - that makes no sense */
+ type1 = G_VALUE_TYPE (src1);
+ type2 = G_VALUE_TYPE (src2);
+ flagset_type = GST_TYPE_FLAG_SET;
+
+ if (type1 != type2 && type1 != flagset_type && type2 != flagset_type)
+ return FALSE;
+
+ if (dest) {
+ GType dest_type;
+
+ /* Prefer an output type that matches a sub-type,
+ * rather than the generic type */
+ if (type1 != flagset_type)
+ dest_type = type1;
+ else
+ dest_type = type2;
+
+ g_value_init (dest, dest_type);
+
+ /* The compatible set is all the bits from src1 that it
+ * cares about and all the bits from src2 that it cares
+ * about. */
+ dest->data[0].v_uint = (f1 & m1) | (f2 & m2);
+ dest->data[1].v_uint = m1 | m2;
+ }
+
+ return TRUE;
+}
+
+static gboolean
+gst_value_intersect_structure_structure (GValue * dest,
+ const GValue * src1, const GValue * src2)
+{
+ const GstStructure *s1, *s2;
+ GstStructure *d1;
+
+ s1 = gst_value_get_structure (src1);
+ s2 = gst_value_get_structure (src2);
+
+ d1 = gst_structure_intersect (s1, s2);
+ if (!d1)
+ return FALSE;
+
+ if (dest) {
+ g_value_init (dest, GST_TYPE_STRUCTURE);
+ gst_value_set_structure (dest, d1);
+ }
+
+ gst_structure_free (d1);
+ return TRUE;
+}
+
/***************
* subtraction *
***************/
gint step = gst_value_get_int_range_step (subtrahend);
gint val = g_value_get_int (minuend);
+ if (step == 0)
+ return FALSE;
+
/* subtracting a range from an int only works if the int is not in the
* range */
if (val < min || val > max || val % step) {
}
if (min1 <= max1 && min2 <= max2) {
- gst_value_list_concat (dest, pv1, pv2);
- g_value_unset (pv1);
- g_value_unset (pv2);
+ gst_value_list_concat_and_take_values (dest, pv1, pv2);
}
return TRUE;
}
g_return_val_if_fail (min < max, FALSE);
+ if (step == 0)
+ return FALSE;
+
/* value is outside of the range, return range unchanged */
if (val < min || val > max || val % step) {
if (dest)
}
step = step1;
+ if (step == 0)
+ return FALSE;
+
if (max2 >= max1 && min2 <= min1) {
return FALSE;
} else if (max2 >= max1) {
gint64 step = gst_value_get_int64_range_step (subtrahend);
gint64 val = g_value_get_int64 (minuend);
+ if (step == 0)
+ return FALSE;
/* subtracting a range from an int64 only works if the int64 is not in the
* range */
if (val < min || val > max || val % step) {
}
if (min1 <= max1 && min2 <= max2) {
- gst_value_list_concat (dest, pv1, pv2);
- g_value_unset (pv1);
- g_value_unset (pv2);
+ gst_value_list_concat_and_take_values (dest, pv1, pv2);
}
return TRUE;
}
g_return_val_if_fail (min < max, FALSE);
+ if (step == 0)
+ return FALSE;
+
/* value is outside of the range, return range unchanged */
if (val < min || val > max || val % step) {
if (dest)
g_assert (FALSE);
return FALSE;
}
+
+ if (step1 == 0)
+ return FALSE;
+
step = step1;
if (max2 >= max1 && min2 <= min1) {
}
if (min1 < max1 && min2 < max2) {
- gst_value_list_concat (dest, pv1, pv2);
- g_value_unset (pv1);
- g_value_unset (pv2);
+ gst_value_list_concat_and_take_values (dest, pv1, pv2);
}
return TRUE;
}
guint i, size;
GValue subtraction = { 0, };
gboolean ret = FALSE;
- GType ltype;
-
- ltype = gst_value_list_get_type ();
size = VALUE_LIST_SIZE (minuend);
for (i = 0; i < size; i++) {
if (gst_value_subtract (&subtraction, cur, subtrahend)) {
if (!ret) {
- gst_value_init_and_copy (dest, &subtraction);
+ gst_value_move (dest, &subtraction);
ret = TRUE;
- } else if (G_VALUE_HOLDS (dest, ltype)
- && !G_VALUE_HOLDS (&subtraction, ltype)) {
- gst_value_list_append_value (dest, &subtraction);
+ } else if (G_VALUE_TYPE (dest) == GST_TYPE_LIST
+ && G_VALUE_TYPE (&subtraction) != GST_TYPE_LIST) {
+ _gst_value_list_append_and_take_value (dest, &subtraction);
} else {
- GValue temp = { 0, };
+ GValue temp;
- gst_value_init_and_copy (&temp, dest);
- g_value_unset (dest);
- gst_value_list_concat (dest, &temp, &subtraction);
- g_value_unset (&temp);
+ gst_value_move (&temp, dest);
+ gst_value_list_concat_and_take_values (dest, &temp, &subtraction);
}
- g_value_unset (&subtraction);
}
}
return ret;
return FALSE;
}
}
- if (dest)
- gst_value_init_and_copy (dest, result);
- g_value_unset (result);
+ if (dest) {
+ gst_value_move (dest, result);
+ } else {
+ g_value_unset (result);
+ }
return TRUE;
}
}
if (cmp1 == GST_VALUE_LESS_THAN && cmp2 == GST_VALUE_LESS_THAN) {
- gst_value_list_concat (dest, pv1, pv2);
- g_value_unset (pv1);
- g_value_unset (pv2);
+ gst_value_list_concat_and_take_values (dest, pv1, pv2);
}
return TRUE;
}
-
/**************
* comparison *
**************/
return NULL;
}
+static inline gboolean
+gst_value_can_compare_unchecked (const GValue * value1, const GValue * value2)
+{
+ if (G_VALUE_TYPE (value1) != G_VALUE_TYPE (value2))
+ return FALSE;
+
+ return gst_value_get_compare_func (value1) != NULL;
+}
+
/**
* gst_value_can_compare:
* @value1: a value to compare
*
* Determines if @value1 and @value2 can be compared.
*
- * Returns: TRUE if the values can be compared
+ * Returns: %TRUE if the values can be compared
*/
gboolean
gst_value_can_compare (const GValue * value1, const GValue * value2)
g_return_val_if_fail (G_IS_VALUE (value1), FALSE);
g_return_val_if_fail (G_IS_VALUE (value2), FALSE);
- if (G_VALUE_TYPE (value1) != G_VALUE_TYPE (value2))
- return FALSE;
-
- return gst_value_get_compare_func (value1) != NULL;
+ return gst_value_can_compare_unchecked (value1, value2);
}
static gboolean
const GValue *first;
guint list_size, n;
- g_return_val_if_fail (G_IS_VALUE (list), FALSE);
- g_return_val_if_fail (G_IS_VALUE (value), FALSE);
- g_return_val_if_fail (GST_VALUE_HOLDS_LIST (list), FALSE);
+ g_assert (G_IS_VALUE (list));
+ g_assert (G_IS_VALUE (value));
+ g_assert (GST_VALUE_HOLDS_LIST (list));
/* TODO: compare against an empty list ? No type though... */
list_size = VALUE_LIST_SIZE (list);
const gint rmin = gst_value_get_int_range_min (value);
const gint rmax = gst_value_get_int_range_max (value);
const gint rstep = gst_value_get_int_range_step (value);
+ if (rstep == 0)
+ return FALSE;
/* note: this will overflow for min 0 and max INT_MAX, but this
would only be equal to a list of INT_MAX elements, which seems
very unlikely */
const gint64 rmax = gst_value_get_int64_range_max (value);
const gint64 rstep = gst_value_get_int64_range_step (value);
GST_DEBUG ("List/range of int64s");
+ if (rstep == 0)
+ return FALSE;
if (list_size != rmax / rstep - rmin / rstep + 1)
return FALSE;
for (n = 0; n < list_size; ++n) {
return FALSE;
}
+/* "Pure" variant of gst_value_compare which is guaranteed to
+ * not have list arguments and therefore does basic comparisons
+ */
+static inline gint
+_gst_value_compare_nolist (const GValue * value1, const GValue * value2)
+{
+ GstValueCompareFunc compare;
+
+ if (G_VALUE_TYPE (value1) != G_VALUE_TYPE (value2))
+ return GST_VALUE_UNORDERED;
+
+ compare = gst_value_get_compare_func (value1);
+ if (compare) {
+ return compare (value1, value2);
+ }
+
+ g_critical ("unable to compare values of type %s\n",
+ g_type_name (G_VALUE_TYPE (value1)));
+ return GST_VALUE_UNORDERED;
+}
+
/**
* gst_value_compare:
* @value1: a value to compare
gint
gst_value_compare (const GValue * value1, const GValue * value2)
{
- GstValueCompareFunc compare;
- GType ltype;
+ gboolean value1_is_list;
+ gboolean value2_is_list;
g_return_val_if_fail (G_IS_VALUE (value1), GST_VALUE_LESS_THAN);
g_return_val_if_fail (G_IS_VALUE (value2), GST_VALUE_GREATER_THAN);
+ value1_is_list = G_VALUE_TYPE (value1) == GST_TYPE_LIST;
+ value2_is_list = G_VALUE_TYPE (value2) == GST_TYPE_LIST;
+
/* Special cases: lists and scalar values ("{ 1 }" and "1" are equal),
as well as lists and ranges ("{ 1, 2 }" and "[ 1, 2 ]" are equal) */
- ltype = gst_value_list_get_type ();
- if (G_VALUE_HOLDS (value1, ltype) && !G_VALUE_HOLDS (value2, ltype)) {
+ if (value1_is_list && !value2_is_list) {
+ gint i, n, ret;
if (gst_value_list_equals_range (value1, value2)) {
return GST_VALUE_EQUAL;
- } else if (gst_value_list_get_size (value1) == 1) {
+ }
+
+ n = gst_value_list_get_size (value1);
+ if (n == 0)
+ return GST_VALUE_UNORDERED;
+
+ for (i = 0; i < n; i++) {
const GValue *elt;
- elt = gst_value_list_get_value (value1, 0);
- return gst_value_compare (elt, value2);
+ elt = gst_value_list_get_value (value1, i);
+ ret = gst_value_compare (elt, value2);
+ if (ret != GST_VALUE_EQUAL && n == 1)
+ return ret;
+ else if (ret != GST_VALUE_EQUAL)
+ return GST_VALUE_UNORDERED;
}
- } else if (G_VALUE_HOLDS (value2, ltype) && !G_VALUE_HOLDS (value1, ltype)) {
+
+ return GST_VALUE_EQUAL;
+ } else if (value2_is_list && !value1_is_list) {
+ gint i, n, ret;
+
if (gst_value_list_equals_range (value2, value1)) {
return GST_VALUE_EQUAL;
- } else if (gst_value_list_get_size (value2) == 1) {
+ }
+
+ n = gst_value_list_get_size (value2);
+ if (n == 0)
+ return GST_VALUE_UNORDERED;
+
+ for (i = 0; i < n; i++) {
const GValue *elt;
- elt = gst_value_list_get_value (value2, 0);
- return gst_value_compare (elt, value1);
+ elt = gst_value_list_get_value (value2, i);
+ ret = gst_value_compare (elt, value1);
+ if (ret != GST_VALUE_EQUAL && n == 1)
+ return ret;
+ else if (ret != GST_VALUE_EQUAL)
+ return GST_VALUE_UNORDERED;
}
- }
-
- if (G_VALUE_TYPE (value1) != G_VALUE_TYPE (value2))
- return GST_VALUE_UNORDERED;
- compare = gst_value_get_compare_func (value1);
- if (compare) {
- return compare (value1, value2);
+ return GST_VALUE_EQUAL;
}
- g_critical ("unable to compare values of type %s\n",
- g_type_name (G_VALUE_TYPE (value1)));
- return GST_VALUE_UNORDERED;
+ /* And now handle the generic case */
+ return _gst_value_compare_nolist (value1, value2);
}
/*
*
* Compares @value1 and @value2 using the @compare function. Works like
* gst_value_compare() but allows to save time determining the compare function
- * a multiple times.
+ * a multiple times.
*
* Returns: comparison result
*/
* to be unioned in a simpler way. For example, an integer range
* and an integer can be unioned if the integer is a subset of the
* integer range. If there is the possibility that two values can
- * be unioned, this function returns TRUE.
+ * be unioned, this function returns %TRUE.
*
- * Returns: TRUE if there is a function allowing the two values to
+ * Returns: %TRUE if there is a function allowing the two values to
* be unioned.
*/
gboolean
*
* Creates a GValue corresponding to the union of @value1 and @value2.
*
- * Returns: TRUE if the union suceeded.
+ * Returns: %TRUE if the union succeeded.
*/
gboolean
gst_value_union (GValue * dest, const GValue * value1, const GValue * value2)
*
* Determines if intersecting two values will produce a valid result.
* Two values will produce a valid intersection if they have the same
- * type, or if there is a method (registered by
- * gst_value_register_intersect_func()) to calculate the intersection.
+ * type.
*
- * Returns: TRUE if the values can intersect
+ * Returns: %TRUE if the values can intersect
*/
gboolean
gst_value_can_intersect (const GValue * value1, const GValue * value2)
{
GstValueIntersectInfo *intersect_info;
guint i, len;
- GType ltype, type1, type2;
+ GType type1, type2;
g_return_val_if_fail (G_IS_VALUE (value1), FALSE);
g_return_val_if_fail (G_IS_VALUE (value2), FALSE);
- ltype = gst_value_list_get_type ();
-
- /* special cases */
- if (G_VALUE_HOLDS (value1, ltype) || G_VALUE_HOLDS (value2, ltype))
- return TRUE;
-
type1 = G_VALUE_TYPE (value1);
type2 = G_VALUE_TYPE (value2);
/* practically all GstValue types have a compare function (_can_compare=TRUE)
- * GstStructure and GstCaps have npot, but are intersectable */
+ * GstStructure and GstCaps have not, but are intersectable */
if (type1 == type2)
return TRUE;
+ /* special cases */
+ if (type1 == GST_TYPE_LIST || type2 == GST_TYPE_LIST)
+ return TRUE;
+
+ if (G_UNLIKELY (GST_VALUE_HOLDS_FLAG_SET (value1) &&
+ GST_VALUE_HOLDS_FLAG_SET (value2))) {
+ GType type1, type2, flagset_type;
+
+ type1 = G_VALUE_TYPE (value1);
+ type2 = G_VALUE_TYPE (value2);
+ flagset_type = GST_TYPE_FLAG_SET;
+
+ /* Allow intersection with the generic FlagSet type, on one
+ * side, but not 2 different subtypes - that makes no sense */
+ if (type1 == type2 || type1 == flagset_type || type2 == flagset_type)
+ return TRUE;
+ }
+
/* check registered intersect functions */
len = gst_value_intersect_funcs->len;
for (i = 0; i < len; i++) {
return TRUE;
}
- return gst_value_can_compare (value1, value2);
+ return gst_value_can_compare_unchecked (value1, value2);
}
/**
* gst_value_intersect:
- * @dest: (out caller-allocates) (transfer full): a uninitialized #GValue that will hold the calculated
- * intersection value. May be NULL if the resulting set if not needed.
+ * @dest: (out caller-allocates) (transfer full) (allow-none):
+ * a uninitialized #GValue that will hold the calculated
+ * intersection value. May be %NULL if the resulting set if not
+ * needed.
* @value1: a value to intersect
* @value2: another value to intersect
*
* Calculates the intersection of two values. If the values have
* a non-empty intersection, the value representing the intersection
- * is placed in @dest, unless NULL. If the intersection is non-empty,
+ * is placed in @dest, unless %NULL. If the intersection is non-empty,
* @dest is not modified.
*
- * Returns: TRUE if the intersection is non-empty
+ * Returns: %TRUE if the intersection is non-empty
*/
gboolean
gst_value_intersect (GValue * dest, const GValue * value1,
{
GstValueIntersectInfo *intersect_info;
guint i, len;
- GType ltype, type1, type2;
+ GType type1, type2;
g_return_val_if_fail (G_IS_VALUE (value1), FALSE);
g_return_val_if_fail (G_IS_VALUE (value2), FALSE);
- ltype = gst_value_list_get_type ();
+ type1 = G_VALUE_TYPE (value1);
+ type2 = G_VALUE_TYPE (value2);
/* special cases first */
- if (G_VALUE_HOLDS (value1, ltype))
+ if (type1 == GST_TYPE_LIST)
return gst_value_intersect_list (dest, value1, value2);
- if (G_VALUE_HOLDS (value2, ltype))
+ if (type2 == GST_TYPE_LIST)
return gst_value_intersect_list (dest, value2, value1);
- if (gst_value_compare (value1, value2) == GST_VALUE_EQUAL) {
+ if (_gst_value_compare_nolist (value1, value2) == GST_VALUE_EQUAL) {
if (dest)
gst_value_init_and_copy (dest, value1);
return TRUE;
}
- type1 = G_VALUE_TYPE (value1);
- type2 = G_VALUE_TYPE (value2);
-
len = gst_value_intersect_funcs->len;
for (i = 0; i < len; i++) {
intersect_info = &g_array_index (gst_value_intersect_funcs,
return intersect_info->func (dest, value2, value1);
}
}
+
+ /* Failed to find a direct intersection, check if these are
+ * GstFlagSet sub-types. */
+ if (G_UNLIKELY (GST_VALUE_HOLDS_FLAG_SET (value1) &&
+ GST_VALUE_HOLDS_FLAG_SET (value2))) {
+ return gst_value_intersect_flagset_flagset (dest, value1, value2);
+ }
+
return FALSE;
}
/**
* gst_value_subtract:
- * @dest: (out caller-allocates): the destination value for the result if the
- * subtraction is not empty. May be NULL, in which case the resulting set
- * will not be computed, which can give a fair speedup.
+ * @dest: (out caller-allocates) (allow-none): the destination value
+ * for the result if the subtraction is not empty. May be %NULL,
+ * in which case the resulting set will not be computed, which can
+ * give a fair speedup.
* @minuend: the value to subtract from
* @subtrahend: the value to subtract
*
{
GstValueSubtractInfo *info;
guint i, len;
- GType ltype, mtype, stype;
+ GType mtype, stype;
g_return_val_if_fail (G_IS_VALUE (minuend), FALSE);
g_return_val_if_fail (G_IS_VALUE (subtrahend), FALSE);
- ltype = gst_value_list_get_type ();
+ mtype = G_VALUE_TYPE (minuend);
+ stype = G_VALUE_TYPE (subtrahend);
/* special cases first */
- if (G_VALUE_HOLDS (minuend, ltype))
+ if (mtype == GST_TYPE_LIST)
return gst_value_subtract_from_list (dest, minuend, subtrahend);
- if (G_VALUE_HOLDS (subtrahend, ltype))
+ if (stype == GST_TYPE_LIST)
return gst_value_subtract_list (dest, minuend, subtrahend);
- mtype = G_VALUE_TYPE (minuend);
- stype = G_VALUE_TYPE (subtrahend);
-
len = gst_value_subtract_funcs->len;
for (i = 0; i < len; i++) {
info = &g_array_index (gst_value_subtract_funcs, GstValueSubtractInfo, i);
}
}
- if (gst_value_compare (minuend, subtrahend) != GST_VALUE_EQUAL) {
+ if (_gst_value_compare_nolist (minuend, subtrahend) != GST_VALUE_EQUAL) {
if (dest)
gst_value_init_and_copy (dest, minuend);
return TRUE;
*
* Checks if it's possible to subtract @subtrahend from @minuend.
*
- * Returns: TRUE if a subtraction is possible
+ * Returns: %TRUE if a subtraction is possible
*/
gboolean
gst_value_can_subtract (const GValue * minuend, const GValue * subtrahend)
{
GstValueSubtractInfo *info;
guint i, len;
- GType ltype, mtype, stype;
+ GType mtype, stype;
g_return_val_if_fail (G_IS_VALUE (minuend), FALSE);
g_return_val_if_fail (G_IS_VALUE (subtrahend), FALSE);
- ltype = gst_value_list_get_type ();
+ mtype = G_VALUE_TYPE (minuend);
+ stype = G_VALUE_TYPE (subtrahend);
/* special cases */
- if (G_VALUE_HOLDS (minuend, ltype) || G_VALUE_HOLDS (subtrahend, ltype))
+ if (mtype == GST_TYPE_LIST || stype == GST_TYPE_LIST)
return TRUE;
-
- mtype = G_VALUE_TYPE (minuend);
- stype = G_VALUE_TYPE (subtrahend);
+ if (mtype == GST_TYPE_STRUCTURE || stype == GST_TYPE_STRUCTURE)
+ return FALSE;
len = gst_value_subtract_funcs->len;
for (i = 0; i < len; i++) {
return TRUE;
}
- return gst_value_can_compare (minuend, subtrahend);
+ return gst_value_can_compare_unchecked (minuend, subtrahend);
}
/* gst_value_register_subtract_func: (skip)
{
GstValueSubtractInfo info;
- /* one type must be unfixed, other subtractions can be done as comparisons,
- * special case: bitmasks */
- if (minuend_type != GST_TYPE_BITMASK)
- g_return_if_fail (!gst_type_is_fixed (minuend_type)
- || !gst_type_is_fixed (subtrahend_type));
+ g_return_if_fail (!gst_type_is_fixed (minuend_type)
+ || !gst_type_is_fixed (subtrahend_type));
info.minuend = minuend_type;
info.subtrahend = subtrahend_type;
g_value_copy (src, dest);
}
+/* move src into dest and clear src */
+static void
+gst_value_move (GValue * dest, GValue * src)
+{
+ g_assert (G_IS_VALUE (src));
+ g_assert (dest != NULL);
+
+ *dest = *src;
+ memset (src, 0, sizeof (GValue));
+}
+
/**
* gst_value_serialize:
* @value: a #GValue to serialize
*
* Free-function: g_free
*
- * Returns: (transfer full): the serialization for @value or NULL if none exists
+ * Returns: (transfer full) (nullable): the serialization for @value
+ * or %NULL if none exists
*/
gchar *
gst_value_serialize (const GValue * value)
* @src: string to deserialize
*
* Tries to deserialize a string into the type specified by the given GValue.
- * If the operation succeeds, TRUE is returned, FALSE otherwise.
+ * If the operation succeeds, %TRUE is returned, %FALSE otherwise.
*
- * Returns: TRUE on success
+ * Returns: %TRUE on success
*/
gboolean
gst_value_deserialize (GValue * dest, const gchar * src)
return FALSE;
}
+static gboolean
+structure_field_is_fixed (GQuark field_id, const GValue * val,
+ gpointer user_data)
+{
+ return gst_value_is_fixed (val);
+}
+
/**
* gst_value_is_fixed:
* @value: the #GValue to check
return FALSE;
}
return TRUE;
+ } else if (GST_VALUE_HOLDS_FLAG_SET (value)) {
+ /* Flagsets are only fixed if there are no 'don't care' bits */
+ return (gst_value_get_flagset_mask (value) == GST_FLAG_SET_MASK_EXACT);
+ } else if (GST_VALUE_HOLDS_STRUCTURE (value)) {
+ return gst_structure_foreach (gst_value_get_structure (value),
+ structure_field_is_fixed, NULL);
}
return gst_type_is_fixed (type);
}
* Fixate @src into a new value @dest.
* For ranges, the first element is taken. For lists and arrays, the
* first item is fixated and returned.
- * If @src is already fixed, this function returns FALSE.
+ * If @src is already fixed, this function returns %FALSE.
*
- * Returns: true if @dest contains a fixated version of @src.
+ * Returns: %TRUE if @dest contains a fixated version of @src.
*/
gboolean
gst_value_fixate (GValue * dest, const GValue * src)
gst_value_init_and_copy (&temp, gst_value_list_get_value (src, 0));
- if (!gst_value_fixate (dest, &temp))
- gst_value_init_and_copy (dest, &temp);
- g_value_unset (&temp);
+ if (!gst_value_fixate (dest, &temp)) {
+ gst_value_move (dest, &temp);
+ } else {
+ g_value_unset (&temp);
+ }
} else if (G_VALUE_TYPE (src) == GST_TYPE_ARRAY) {
gboolean res = FALSE;
guint n, len;
gst_value_init_and_copy (&kid, orig_kid);
else
res = TRUE;
- gst_value_array_append_value (dest, &kid);
- g_value_unset (&kid);
+ _gst_value_array_append_and_take_value (dest, &kid);
}
if (!res)
g_value_unset (dest);
return res;
+ } else if (GST_VALUE_HOLDS_FLAG_SET (src)) {
+ guint flags;
+
+ if (gst_value_get_flagset_mask (src) == GST_FLAG_SET_MASK_EXACT)
+ return FALSE; /* Already fixed */
+
+ flags = gst_value_get_flagset_flags (src);
+ g_value_init (dest, G_VALUE_TYPE (src));
+ gst_value_set_flagset (dest, flags, GST_FLAG_SET_MASK_EXACT);
+ return TRUE;
+ } else if (GST_VALUE_HOLDS_STRUCTURE (src)) {
+ const GstStructure *str = (GstStructure *) gst_value_get_structure (src);
+ GstStructure *kid;
+
+ if (!str)
+ return FALSE;
+
+ kid = gst_structure_copy (str);
+ gst_structure_fixate (kid);
+ g_value_init (dest, GST_TYPE_STRUCTURE);
+ gst_value_set_structure (dest, kid);
+ gst_structure_free (kid);
+ return TRUE;
} else {
return FALSE;
}
* Multiplies the two #GValue items containing a #GST_TYPE_FRACTION and sets
* @product to the product of the two fractions.
*
- * Returns: FALSE in case of an error (like integer overflow), TRUE otherwise.
+ * Returns: %FALSE in case of an error (like integer overflow), %TRUE otherwise.
*/
gboolean
gst_value_fraction_multiply (GValue * product, const GValue * factor1,
*
* Subtracts the @subtrahend from the @minuend and sets @dest to the result.
*
- * Returns: FALSE in case of an error (like integer overflow), TRUE otherwise.
+ * Returns: %FALSE in case of an error (like integer overflow), %TRUE otherwise.
*/
gboolean
gst_value_fraction_subtract (GValue * dest,
{
const GstDateTime *date1 = (const GstDateTime *) g_value_get_boxed (value1);
const GstDateTime *date2 = (const GstDateTime *) g_value_get_boxed (value2);
- gint ret;
if (date1 == date2)
return GST_VALUE_EQUAL;
return GST_VALUE_LESS_THAN;
}
- ret = priv_gst_date_time_compare (date1, date2);
-
- if (ret == 0)
- return GST_VALUE_EQUAL;
- else if (ret < 0)
- return GST_VALUE_LESS_THAN;
- else
- return GST_VALUE_GREATER_THAN;
+ /* returns GST_VALUE_* */
+ return __gst_date_time_compare (date1, date2);
}
static gchar *
gst_value_serialize_date_time (const GValue * val)
{
GstDateTime *date = (GstDateTime *) g_value_get_boxed (val);
- gfloat offset;
- gint tzhour, tzminute;
if (date == NULL)
return g_strdup ("null");
- offset = gst_date_time_get_time_zone_offset (date);
-
- tzhour = (gint) ABS (offset);
- tzminute = (gint) ((ABS (offset) - tzhour) * 60);
-
- return g_strdup_printf ("\"%04d-%02d-%02dT%02d:%02d:%02d.%06d"
- "%c%02d%02d\"", gst_date_time_get_year (date),
- gst_date_time_get_month (date), gst_date_time_get_day (date),
- gst_date_time_get_hour (date), gst_date_time_get_minute (date),
- gst_date_time_get_second (date), gst_date_time_get_microsecond (date),
- offset >= 0 ? '+' : '-', tzhour, tzminute);
+ return __gst_date_time_serialize (date, TRUE);
}
static gboolean
gst_value_deserialize_date_time (GValue * dest, const gchar * s)
{
- gint year, month, day, hour, minute, second, usecond;
- gchar signal;
- gint offset = 0;
- gfloat tzoffset = 0;
- gint ret;
+ GstDateTime *datetime;
if (!s || strcmp (s, "null") == 0) {
return FALSE;
}
- ret = sscanf (s, "%04d-%02d-%02dT%02d:%02d:%02d.%06d%c%04d",
- &year, &month, &day, &hour, &minute, &second, &usecond, &signal, &offset);
- if (ret >= 9) {
- tzoffset = (offset / 100) + ((offset % 100) / 60.0);
- if (signal == '-')
- tzoffset = -tzoffset;
- } else
- return FALSE;
-
- g_value_take_boxed (dest, gst_date_time_new (tzoffset, year, month, day, hour,
- minute, second + (usecond / 1000000.0)));
- return TRUE;
+ datetime = gst_date_time_new_from_iso8601_string (s);
+ if (datetime != NULL) {
+ g_value_take_boxed (dest, datetime);
+ return TRUE;
+ }
+ GST_WARNING ("Failed to deserialize date time string '%s'", s);
+ return FALSE;
}
static void
return g_strdup_printf ("not enough value locations for `%s' passed",
G_VALUE_TYPE_NAME (value));
- gst_value_set_bitmask (value, (guint64) collect_values[0].v_int64);
+ gst_value_set_bitmask (value, (guint64) collect_values[0].v_int64);
+
+ return NULL;
+}
+
+static gchar *
+gst_value_lcopy_bitmask (const GValue * value, guint n_collect_values,
+ GTypeCValue * collect_values, guint collect_flags)
+{
+ guint64 *bitmask = collect_values[0].v_pointer;
+
+ if (!bitmask)
+ return g_strdup_printf ("value for `%s' passed as NULL",
+ G_VALUE_TYPE_NAME (value));
+
+ *bitmask = value->data[0].v_uint64;
+
+ return NULL;
+}
+
+/**
+ * gst_value_set_bitmask:
+ * @value: a GValue initialized to #GST_TYPE_BITMASK
+ * @bitmask: the bitmask
+ *
+ * Sets @value to the bitmask specified by @bitmask.
+ */
+void
+gst_value_set_bitmask (GValue * value, guint64 bitmask)
+{
+ g_return_if_fail (GST_VALUE_HOLDS_BITMASK (value));
+
+ value->data[0].v_uint64 = bitmask;
+}
+
+/**
+ * gst_value_get_bitmask:
+ * @value: a GValue initialized to #GST_TYPE_BITMASK
+ *
+ * Gets the bitmask specified by @value.
+ *
+ * Returns: the bitmask.
+ */
+guint64
+gst_value_get_bitmask (const GValue * value)
+{
+ g_return_val_if_fail (GST_VALUE_HOLDS_BITMASK (value), 0);
+
+ return value->data[0].v_uint64;
+}
+
+static gchar *
+gst_value_serialize_bitmask (const GValue * value)
+{
+ guint64 bitmask = value->data[0].v_uint64;
+
+ return g_strdup_printf ("0x%016" G_GINT64_MODIFIER "x", bitmask);
+}
+
+static gboolean
+gst_value_deserialize_bitmask (GValue * dest, const gchar * s)
+{
+ gchar *endptr = NULL;
+ guint64 val;
+
+ if (G_UNLIKELY (s == NULL))
+ return FALSE;
+
+ if (G_UNLIKELY (dest == NULL || !GST_VALUE_HOLDS_BITMASK (dest)))
+ return FALSE;
+
+ errno = 0;
+ val = g_ascii_strtoull (s, &endptr, 16);
+ if (val == G_MAXUINT64 && (errno == ERANGE || errno == EINVAL))
+ return FALSE;
+ if (val == 0 && endptr == s)
+ return FALSE;
+
+ gst_value_set_bitmask (dest, val);
+
+ return TRUE;
+}
+
+static void
+gst_value_transform_bitmask_string (const GValue * src_value,
+ GValue * dest_value)
+{
+ dest_value->data[0].v_pointer = gst_value_serialize_bitmask (src_value);
+}
+
+static void
+gst_value_transform_string_bitmask (const GValue * src_value,
+ GValue * dest_value)
+{
+ if (!gst_value_deserialize_bitmask (dest_value, src_value->data[0].v_pointer))
+ gst_value_set_bitmask (dest_value, 0);
+}
+
+static void
+gst_value_transform_uint64_bitmask (const GValue * src_value,
+ GValue * dest_value)
+{
+ dest_value->data[0].v_uint64 = src_value->data[0].v_uint64;
+}
+
+static void
+gst_value_transform_bitmask_uint64 (const GValue * src_value,
+ GValue * dest_value)
+{
+ dest_value->data[0].v_uint64 = src_value->data[0].v_uint64;
+}
+
+static gint
+gst_value_compare_bitmask (const GValue * value1, const GValue * value2)
+{
+ guint64 v1, v2;
+
+ v1 = value1->data[0].v_uint64;
+ v2 = value2->data[0].v_uint64;
+
+ if (v1 == v2)
+ return GST_VALUE_EQUAL;
+
+ return GST_VALUE_UNORDERED;
+}
+
+/************
+ * flagset *
+ ************/
+
+/* helper functions */
+static void
+gst_value_init_flagset (GValue * value)
+{
+ value->data[0].v_uint = 0;
+ value->data[1].v_uint = 0;
+}
+
+static void
+gst_value_copy_flagset (const GValue * src_value, GValue * dest_value)
+{
+ dest_value->data[0].v_uint = src_value->data[0].v_uint;
+ dest_value->data[1].v_uint = src_value->data[1].v_uint;
+}
+
+static gchar *
+gst_value_collect_flagset (GValue * value, guint n_collect_values,
+ GTypeCValue * collect_values, guint collect_flags)
+{
+ if (n_collect_values != 2)
+ return g_strdup_printf ("not enough value locations for `%s' passed",
+ G_VALUE_TYPE_NAME (value));
+
+ gst_value_set_flagset (value,
+ (guint) collect_values[0].v_int, (guint) collect_values[1].v_int);
return NULL;
}
static gchar *
-gst_value_lcopy_bitmask (const GValue * value, guint n_collect_values,
+gst_value_lcopy_flagset (const GValue * value, guint n_collect_values,
GTypeCValue * collect_values, guint collect_flags)
{
- guint64 *bitmask = collect_values[0].v_pointer;
-
- if (!bitmask)
- return g_strdup_printf ("value for `%s' passed as NULL",
- G_VALUE_TYPE_NAME (value));
+ guint *flags = collect_values[0].v_pointer;
+ guint *mask = collect_values[1].v_pointer;
- *bitmask = value->data[0].v_uint64;
+ *flags = value->data[0].v_uint;
+ *mask = value->data[1].v_uint;
return NULL;
}
/**
- * gst_value_set_bitmask:
- * @value: a GValue initialized to #GST_TYPE_FRACTION
- * @bitmask: the bitmask
+ * gst_value_set_flagset:
+ * @value: a GValue initialized to %GST_TYPE_FLAG_SET
+ * @flags: The value of the flags set or unset
+ * @mask: The mask indicate which flags bits must match for comparisons
*
- * Sets @value to the bitmask specified by @bitmask.
+ * Sets @value to the flags and mask values provided in @flags and @mask.
+ * The @flags value indicates the values of flags, the @mask represents
+ * which bits in the flag value have been set, and which are "don't care"
+ *
+ * Since: 1.6
*/
void
-gst_value_set_bitmask (GValue * value, guint64 bitmask)
+gst_value_set_flagset (GValue * value, guint flags, guint mask)
{
- g_return_if_fail (GST_VALUE_HOLDS_BITMASK (value));
+ g_return_if_fail (GST_VALUE_HOLDS_FLAG_SET (value));
- value->data[0].v_uint64 = bitmask;
+ /* Normalise and only keep flags mentioned in the mask */
+ value->data[0].v_uint = flags & mask;
+ value->data[1].v_uint = mask;
}
/**
- * gst_value_get_bitmask:
- * @value: a GValue initialized to #GST_TYPE_FRACTION
+ * gst_value_get_flagset_flags:
+ * @value: a GValue initialized to #GST_TYPE_FLAG_SET
*
- * Gets the bitmask specified by @value.
+ * Retrieve the flags field of a GstFlagSet @value.
*
- * Returns: the bitmask.
+ * Returns: the flags field of the flagset instance.
+ *
+ * Since: 1.6
*/
-guint64
-gst_value_get_bitmask (const GValue * value)
+guint
+gst_value_get_flagset_flags (const GValue * value)
{
- g_return_val_if_fail (GST_VALUE_HOLDS_BITMASK (value), 0);
+ g_return_val_if_fail (GST_VALUE_HOLDS_FLAG_SET (value), 0);
- return value->data[0].v_uint64;
+ return value->data[0].v_uint;
}
-static gchar *
-gst_value_serialize_bitmask (const GValue * value)
+/**
+ * gst_value_get_flagset_mask:
+ * @value: a GValue initialized to #GST_TYPE_FLAG_SET
+ *
+ * Retrieve the mask field of a GstFlagSet @value.
+ *
+ * Returns: the mask field of the flagset instance.
+ *
+ * Since: 1.6
+ */
+guint
+gst_value_get_flagset_mask (const GValue * value)
{
- guint64 bitmask = value->data[0].v_uint64;
+ g_return_val_if_fail (GST_VALUE_HOLDS_FLAG_SET (value), 1);
- return g_strdup_printf ("0x%016" G_GINT64_MODIFIER "x", bitmask);
+ return value->data[1].v_uint;
+}
+
+static gchar *
+gst_value_serialize_flagset (const GValue * value)
+{
+ guint flags = value->data[0].v_uint;
+ guint mask = value->data[1].v_uint;
+ GstFlagSetClass *set_klass =
+ (GstFlagSetClass *) g_type_class_ref (G_VALUE_TYPE (value));
+ gchar *result;
+
+ result = g_strdup_printf ("%x:%x", flags, mask);
+
+ /* If this flag set class has an associated GFlags GType, and some
+ * bits in the mask, serialize the bits in human-readable form to
+ * aid debugging */
+ if (mask && set_klass->flags_type) {
+ GFlagsClass *flags_klass =
+ (GFlagsClass *) (g_type_class_ref (set_klass->flags_type));
+ GFlagsValue *fl;
+ gchar *tmp;
+ gboolean first = TRUE;
+
+ g_return_val_if_fail (flags_klass, NULL);
+
+ /* some bits in the mask are set, so serialize one by one, according
+ * to whether that bit is set or cleared in the flags value */
+ while (mask) {
+ fl = g_flags_get_first_value (flags_klass, mask);
+ if (fl == NULL) {
+ /* No more bits match in the flags mask - time to stop */
+ mask = 0;
+ break;
+ }
+
+ tmp = g_strconcat (result,
+ first ? ":" : "",
+ (flags & fl->value) ? "+" : "/", fl->value_nick, NULL);
+ g_free (result);
+ result = tmp;
+ first = FALSE;
+
+ /* clear flag */
+ mask &= ~fl->value;
+ }
+ g_type_class_unref (flags_klass);
+
+ }
+ g_type_class_unref (set_klass);
+
+ return result;
}
static gboolean
-gst_value_deserialize_bitmask (GValue * dest, const gchar * s)
+is_valid_flags_string (const gchar * s)
{
- gchar *endptr = NULL;
- guint64 val;
+ /* We're looking to match +this/that+other-thing/not-this-thing type strings */
+ return g_regex_match_simple ("^([\\+\\/][\\w\\d-]+)+$", s, G_REGEX_CASELESS,
+ 0);
+}
+
+static gboolean
+gst_value_deserialize_flagset (GValue * dest, const gchar * s)
+{
+ gboolean res = FALSE;
+ guint flags, mask;
+ gchar *cur, *next;
if (G_UNLIKELY (s == NULL))
return FALSE;
- if (G_UNLIKELY (dest == NULL || !GST_VALUE_HOLDS_BITMASK (dest)))
+ if (G_UNLIKELY (dest == NULL || !GST_VALUE_HOLDS_FLAG_SET (dest)))
return FALSE;
- val = g_ascii_strtoull (s, &endptr, 16);
- if (val == G_MAXUINT64 && (errno == ERANGE || errno == EINVAL))
+ /* Flagset strings look like %x:%x - hex flags : hex bitmask,
+ * 32-bit each, or like a concatenated list of flag nicks,
+ * with either '+' or '/' in front. The first form
+ * may optionally be followed by ':' and a set of text flag descriptions
+ * for easier debugging */
+
+ /* Try and interpret as hex form first, as it's the most efficient */
+ /* Read the flags first */
+ flags = strtoul (s, &next, 16);
+ if (G_UNLIKELY ((flags == 0 && errno == EINVAL) || s == next))
+ goto try_as_flags_string;
+ /* Next char should be a colon */
+ if (next[0] == ':')
+ next++;
+
+ /* Read the mask */
+ cur = next;
+ mask = strtoul (cur, &next, 16);
+ if (G_UNLIKELY ((mask == 0 && errno == EINVAL) || cur == next))
+ goto try_as_flags_string;
+
+ /* Next char should be NULL terminator, or a ':'. If ':', we need the flag string after */
+ if (G_UNLIKELY (next[0] == 0)) {
+ res = TRUE;
+ goto done;
+ }
+
+ if (next[0] != ':')
return FALSE;
- if (val == 0 && endptr == s)
+
+ s = next + 1;
+
+ if (g_str_equal (g_type_name (G_VALUE_TYPE (dest)), "GstFlagSet")) {
+ /* If we're parsing a generic flag set, that can mean we're guessing
+ * at the type in deserialising a GstStructure so at least check that
+ * we have a valid-looking string, so we don't cause deserialisation of
+ * other types of strings like 00:01:00:00 - https://bugzilla.gnome.org/show_bug.cgi?id=779755 */
+ if (is_valid_flags_string (s)) {
+ res = TRUE;
+ goto done;
+ }
return FALSE;
+ }
- gst_value_set_bitmask (dest, val);
+ /* Otherwise, we already got a hex string for a valid non-generic flagset type */
+ res = TRUE;
+ goto done;
- return TRUE;
-}
+try_as_flags_string:
-static void
-gst_value_transform_bitmask_string (const GValue * src_value,
- GValue * dest_value)
-{
- dest_value->data[0].v_pointer = gst_value_serialize_bitmask (src_value);
-}
+ {
+ const gchar *set_class = g_type_name (G_VALUE_TYPE (dest));
+ GFlagsClass *flags_klass = NULL;
+ const gchar *end;
+
+ if (g_str_equal (set_class, "GstFlagSet")) {
+ /* There's no hope to parse the fields of generic flag set if we didn't already
+ * catch a hex-string above */
+ return FALSE;
+ }
+
+ /* Flags class is the FlagSet class with 'Set' removed from the end */
+ end = g_strrstr (set_class, "Set");
+
+ if (end != NULL) {
+ gchar *class_name = g_strndup (set_class, end - set_class);
+ GType flags_type = g_type_from_name (class_name);
+ if (flags_type == 0) {
+ GST_TRACE ("Looking for dynamic type %s", class_name);
+ gst_dynamic_type_factory_load (class_name);
+ }
+
+ if (flags_type != 0) {
+ flags_klass = g_type_class_ref (flags_type);
+ GST_TRACE ("Going to parse %s as %s", s, class_name);
+ }
+ g_free (class_name);
+ }
+
+ if (flags_klass) {
+ res = gst_value_gflags_str_to_flags (flags_klass, s, &flags, &mask);
+ g_type_class_unref (flags_klass);
+ }
+ }
+
+done:
+ if (res)
+ gst_value_set_flagset (dest, flags, mask);
+ return res;
-static void
-gst_value_transform_string_bitmask (const GValue * src_value,
- GValue * dest_value)
-{
- if (!gst_value_deserialize_bitmask (dest_value, src_value->data[0].v_pointer))
- gst_value_set_bitmask (dest_value, 0);
}
static void
-gst_value_transform_uint64_bitmask (const GValue * src_value,
+gst_value_transform_flagset_string (const GValue * src_value,
GValue * dest_value)
{
- dest_value->data[0].v_uint64 = src_value->data[0].v_uint64;
+ dest_value->data[0].v_pointer = gst_value_serialize_flagset (src_value);
}
static void
-gst_value_transform_bitmask_uint64 (const GValue * src_value,
+gst_value_transform_string_flagset (const GValue * src_value,
GValue * dest_value)
{
- dest_value->data[0].v_uint64 = src_value->data[0].v_uint64;
+ if (!gst_value_deserialize_flagset (dest_value, src_value->data[0].v_pointer)) {
+ /* If the deserialize fails, ensure we leave the flags in a
+ * valid, if incorrect, state */
+ gst_value_set_flagset (dest_value, 0, 0);
+ }
}
-static gboolean
-gst_value_intersect_bitmask_bitmask (GValue * dest, const GValue * src1,
- const GValue * src2)
+static gint
+gst_value_compare_flagset (const GValue * value1, const GValue * value2)
{
- guint64 s1, s2;
+ guint v1, v2;
+ guint m1, m2;
- s1 = gst_value_get_bitmask (src1);
- s2 = gst_value_get_bitmask (src2);
+ v1 = value1->data[0].v_uint;
+ v2 = value2->data[0].v_uint;
- if (dest) {
- g_value_init (dest, GST_TYPE_BITMASK);
- gst_value_set_bitmask (dest, s1 & s2);
- }
+ m1 = value1->data[1].v_uint;
+ m2 = value2->data[1].v_uint;
- return TRUE;
+ if (v1 == v2 && m1 == m2)
+ return GST_VALUE_EQUAL;
+
+ return GST_VALUE_UNORDERED;
}
-static gboolean
-gst_value_union_bitmask_bitmask (GValue * dest, const GValue * src1,
- const GValue * src2)
+/***********************
+ * GstAllocationParams *
+ ***********************/
+static gint
+gst_value_compare_allocation_params (const GValue * value1,
+ const GValue * value2)
{
- guint64 s1, s2;
+ GstAllocationParams *v1, *v2;
- s1 = gst_value_get_bitmask (src1);
- s2 = gst_value_get_bitmask (src2);
+ v1 = value1->data[0].v_pointer;
+ v2 = value2->data[0].v_pointer;
- g_value_init (dest, GST_TYPE_BITMASK);
- gst_value_set_bitmask (dest, s1 | s2);
+ if (v1 == NULL && v1 == v2)
+ return GST_VALUE_EQUAL;
- return TRUE;
-}
+ if (v1 == NULL || v2 == NULL)
+ return GST_VALUE_UNORDERED;
-static gboolean
-gst_value_subtract_bitmask_bitmask (GValue * dest,
- const GValue * minuend, const GValue * subtrahend)
-{
- guint64 m, s, r;
+ if (v1->flags == v2->flags && v1->align == v2->align &&
+ v1->prefix == v2->prefix && v1->padding == v2->padding)
+ return GST_VALUE_EQUAL;
- g_return_val_if_fail (GST_VALUE_HOLDS_BITMASK (minuend), FALSE);
- g_return_val_if_fail (GST_VALUE_HOLDS_BITMASK (subtrahend), FALSE);
+ return GST_VALUE_UNORDERED;
+}
- m = minuend->data[0].v_uint64;
- s = subtrahend->data[0].v_uint64;
- r = m & (~s);
- if (dest) {
- g_value_init (dest, GST_TYPE_BITMASK);
- gst_value_set_bitmask (dest, r);
- }
- return (r != 0);
-}
+/************
+ * GObject *
+ ************/
static gint
-gst_value_compare_bitmask (const GValue * value1, const GValue * value2)
+gst_value_compare_object (const GValue * value1, const GValue * value2)
{
- guint64 v1, v2;
+ gpointer v1, v2;
- v1 = value1->data[0].v_uint64;
- v2 = value2->data[0].v_uint64;
+ v1 = value1->data[0].v_pointer;
+ v2 = value2->data[0].v_pointer;
if (v1 == v2)
return GST_VALUE_EQUAL;
}
static GTypeInfo _info = {
- 0,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- 0,
- 0,
- NULL,
- NULL,
+ 0, NULL, NULL, NULL, NULL, NULL, 0, 0, NULL, NULL,
};
static GTypeFundamentalInfo _finfo = {
0
};
-#define FUNC_VALUE_GET_TYPE(type, name) \
+#define FUNC_VALUE_GET_TYPE_CLASSED(type, name, csize, flags) \
+GType _gst_ ## type ## _type = 0; \
+ \
GType gst_ ## type ## _get_type (void) \
{ \
- static volatile GType gst_ ## type ## _type = 0; \
+ static volatile GType gst_ ## type ## _type = 0; \
\
- if (g_once_init_enter (&gst_ ## type ## _type)) { \
- GType _type; \
+ if (g_once_init_enter (&gst_ ## type ## _type)) { \
+ GType _type; \
+ _info.class_size = csize; \
+ _finfo.type_flags = flags; \
_info.value_table = & _gst_ ## type ## _value_table; \
- _type = g_type_register_fundamental ( \
+ _type = g_type_register_fundamental ( \
g_type_fundamental_next (), \
name, &_info, &_finfo, 0); \
- g_once_init_leave(&gst_ ## type ## _type, _type); \
+ _gst_ ## type ## _type = _type; \
+ g_once_init_leave(&gst_ ## type ## _type, _type); \
} \
\
return gst_ ## type ## _type; \
}
+#define FUNC_VALUE_GET_TYPE(type, name) \
+ FUNC_VALUE_GET_TYPE_CLASSED(type, name, 0, 0)
+
static const GTypeValueTable _gst_int_range_value_table = {
gst_value_init_int_range,
- gst_value_free_int_range,
+ NULL,
gst_value_copy_int_range,
NULL,
(char *) "ii",
- gst_value_collect_int_range,
- (char *) "pp",
- gst_value_lcopy_int_range
+ gst_value_collect_int_range, (char *) "pp", gst_value_lcopy_int_range
};
FUNC_VALUE_GET_TYPE (int_range, "GstIntRange");
NULL,
(char *) "qq",
gst_value_collect_int64_range,
- (char *) "pp",
- gst_value_lcopy_int64_range
+ (char *) "pp", gst_value_lcopy_int64_range
};
FUNC_VALUE_GET_TYPE (int64_range, "GstInt64Range");
NULL,
(char *) "dd",
gst_value_collect_double_range,
- (char *) "pp",
- gst_value_lcopy_double_range
+ (char *) "pp", gst_value_lcopy_double_range
};
FUNC_VALUE_GET_TYPE (double_range, "GstDoubleRange");
NULL,
(char *) "iiii",
gst_value_collect_fraction_range,
- (char *) "pppp",
- gst_value_lcopy_fraction_range
+ (char *) "pppp", gst_value_lcopy_fraction_range
};
FUNC_VALUE_GET_TYPE (fraction_range, "GstFractionRange");
gst_value_list_or_array_peek_pointer,
(char *) "p",
gst_value_collect_list_or_array,
- (char *) "p",
- gst_value_lcopy_list_or_array
+ (char *) "p", gst_value_lcopy_list_or_array
};
FUNC_VALUE_GET_TYPE (value_list, "GstValueList");
gst_value_list_or_array_peek_pointer,
(char *) "p",
gst_value_collect_list_or_array,
- (char *) "p",
- gst_value_lcopy_list_or_array
+ (char *) "p", gst_value_lcopy_list_or_array
};
FUNC_VALUE_GET_TYPE (value_array, "GstValueArray");
gst_value_copy_fraction,
NULL,
(char *) "ii",
- gst_value_collect_fraction,
- (char *) "pp",
- gst_value_lcopy_fraction
+ gst_value_collect_fraction, (char *) "pp", gst_value_lcopy_fraction
};
FUNC_VALUE_GET_TYPE (fraction, "GstFraction");
-G_DEFINE_BOXED_TYPE (GstDateTime, gst_date_time,
- (GBoxedCopyFunc) gst_date_time_ref, (GBoxedFreeFunc) gst_date_time_unref);
-
static const GTypeValueTable _gst_bitmask_value_table = {
gst_value_init_bitmask,
NULL,
gst_value_copy_bitmask,
NULL,
(char *) "q",
- gst_value_collect_bitmask,
- (char *) "p",
- gst_value_lcopy_bitmask
+ gst_value_collect_bitmask, (char *) "p", gst_value_lcopy_bitmask
};
FUNC_VALUE_GET_TYPE (bitmask, "GstBitmask");
+static const GTypeValueTable _gst_flagset_value_table = {
+ gst_value_init_flagset,
+ NULL,
+ gst_value_copy_flagset,
+ NULL,
+ (char *) "ii",
+ gst_value_collect_flagset, (char *) "pp", gst_value_lcopy_flagset
+};
-void
-_priv_gst_value_initialize (void)
-{
- gst_value_table = g_array_new (FALSE, FALSE, sizeof (GstValueTable));
- gst_value_hash = g_hash_table_new (NULL, NULL);
- gst_value_union_funcs = g_array_new (FALSE, FALSE,
- sizeof (GstValueUnionInfo));
- gst_value_intersect_funcs = g_array_new (FALSE, FALSE,
- sizeof (GstValueIntersectInfo));
- gst_value_subtract_funcs = g_array_new (FALSE, FALSE,
- sizeof (GstValueSubtractInfo));
-
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_int_range,
- gst_value_serialize_int_range,
- gst_value_deserialize_int_range,
- };
-
- gst_value.type = gst_int_range_get_type ();
- gst_value_register (&gst_value);
- }
-
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_int64_range,
- gst_value_serialize_int64_range,
- gst_value_deserialize_int64_range,
- };
-
- gst_value.type = gst_int64_range_get_type ();
- gst_value_register (&gst_value);
- }
-
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_double_range,
- gst_value_serialize_double_range,
- gst_value_deserialize_double_range,
- };
-
- gst_value.type = gst_double_range_get_type ();
- gst_value_register (&gst_value);
- }
-
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_fraction_range,
- gst_value_serialize_fraction_range,
- gst_value_deserialize_fraction_range,
- };
-
- gst_value.type = gst_fraction_range_get_type ();
- gst_value_register (&gst_value);
- }
-
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_list,
- gst_value_serialize_list,
- gst_value_deserialize_list,
- };
-
- gst_value.type = gst_value_list_get_type ();
- gst_value_register (&gst_value);
- }
-
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_array,
- gst_value_serialize_array,
- gst_value_deserialize_array,
- };
-
- gst_value.type = gst_value_array_get_type ();
- gst_value_register (&gst_value);
- }
-
- {
-#if 0
- static const GTypeValueTable value_table = {
- gst_value_init_buffer,
- NULL,
- gst_value_copy_buffer,
- NULL,
- "i",
- NULL, /*gst_value_collect_buffer, */
- "p",
- NULL /*gst_value_lcopy_buffer */
- };
-#endif
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_buffer,
- gst_value_serialize_buffer,
- gst_value_deserialize_buffer,
- };
-
- gst_value.type = GST_TYPE_BUFFER;
- gst_value_register (&gst_value);
- }
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_fraction,
- gst_value_serialize_fraction,
- gst_value_deserialize_fraction,
- };
-
- gst_value.type = gst_fraction_get_type ();
- gst_value_register (&gst_value);
- }
- {
- static GstValueTable gst_value = {
- 0,
- NULL,
- gst_value_serialize_caps,
- gst_value_deserialize_caps,
- };
-
- gst_value.type = GST_TYPE_CAPS;
- gst_value_register (&gst_value);
- }
- {
- static GstValueTable gst_value = {
- 0,
- NULL,
- gst_value_serialize_structure,
- gst_value_deserialize_structure,
- };
-
- gst_value.type = GST_TYPE_STRUCTURE;
- gst_value_register (&gst_value);
- }
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_date,
- gst_value_serialize_date,
- gst_value_deserialize_date,
- };
-
- gst_value.type = G_TYPE_DATE;
- gst_value_register (&gst_value);
- }
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_date_time,
- gst_value_serialize_date_time,
- gst_value_deserialize_date_time,
- };
-
- gst_value.type = gst_date_time_get_type ();
- gst_value_register (&gst_value);
- }
+FUNC_VALUE_GET_TYPE_CLASSED (flagset, "GstFlagSet",
+ sizeof (GstFlagSetClass), G_TYPE_FLAG_CLASSED | G_TYPE_FLAG_DERIVABLE);
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_bitmask,
- gst_value_serialize_bitmask,
- gst_value_deserialize_bitmask,
- };
+GType
+gst_g_thread_get_type (void)
+{
+ return G_TYPE_THREAD;
+}
- gst_value.type = gst_bitmask_get_type ();
- gst_value_register (&gst_value);
- }
+#define SERIAL_VTABLE(t,c,s,d) { t, c, s, d }
- REGISTER_SERIALIZATION (G_TYPE_DOUBLE, double);
- REGISTER_SERIALIZATION (G_TYPE_FLOAT, float);
+#define REGISTER_SERIALIZATION_CONST(_gtype, _type) \
+G_STMT_START { \
+ static const GstValueTable gst_value = \
+ SERIAL_VTABLE (_gtype, gst_value_compare_ ## _type, \
+ gst_value_serialize_ ## _type, gst_value_deserialize_ ## _type); \
+ gst_value_register (&gst_value); \
+} G_STMT_END
- REGISTER_SERIALIZATION (G_TYPE_STRING, string);
- REGISTER_SERIALIZATION (G_TYPE_BOOLEAN, boolean);
- REGISTER_SERIALIZATION (G_TYPE_ENUM, enum);
+#define REGISTER_SERIALIZATION(_gtype, _type) \
+G_STMT_START { \
+ static GstValueTable gst_value = \
+ SERIAL_VTABLE (0, gst_value_compare_ ## _type, \
+ gst_value_serialize_ ## _type, gst_value_deserialize_ ## _type); \
+ gst_value.type = _gtype; \
+ gst_value_register (&gst_value); \
+} G_STMT_END
- REGISTER_SERIALIZATION (G_TYPE_FLAGS, flags);
+#define REGISTER_SERIALIZATION_NO_COMPARE(_gtype, _type) \
+G_STMT_START { \
+ static GstValueTable gst_value = \
+ SERIAL_VTABLE (0, NULL, \
+ gst_value_serialize_ ## _type, gst_value_deserialize_ ## _type); \
+ gst_value.type = _gtype; \
+ gst_value_register (&gst_value); \
+} G_STMT_END
- REGISTER_SERIALIZATION (G_TYPE_INT, int);
+#define REGISTER_SERIALIZATION_COMPARE_ONLY(_gtype, _type) \
+G_STMT_START { \
+ static GstValueTable gst_value = \
+ SERIAL_VTABLE (0, gst_value_compare_ ## _type, \
+ NULL, NULL); \
+ gst_value.type = _gtype; \
+ gst_value_register (&gst_value); \
+} G_STMT_END
- REGISTER_SERIALIZATION (G_TYPE_INT64, int64);
- REGISTER_SERIALIZATION (G_TYPE_LONG, long);
+/* These initial sizes are used for the tables
+ * below, and save a couple of reallocs at startup */
- REGISTER_SERIALIZATION (G_TYPE_UINT, uint);
- REGISTER_SERIALIZATION (G_TYPE_UINT64, uint64);
- REGISTER_SERIALIZATION (G_TYPE_ULONG, ulong);
+static const gint GST_VALUE_TABLE_DEFAULT_SIZE = 40;
+static const gint GST_VALUE_UNION_TABLE_DEFAULT_SIZE = 8;
+static const gint GST_VALUE_INTERSECT_TABLE_DEFAULT_SIZE = 16;
+static const gint GST_VALUE_SUBTRACT_TABLE_DEFAULT_SIZE = 16;
- REGISTER_SERIALIZATION (G_TYPE_UCHAR, uchar);
+void
+_priv_gst_value_initialize (void)
+{
+ gst_value_table =
+ g_array_sized_new (FALSE, FALSE, sizeof (GstValueTable),
+ GST_VALUE_TABLE_DEFAULT_SIZE);
+ gst_value_hash = g_hash_table_new (NULL, NULL);
+ gst_value_union_funcs = g_array_sized_new (FALSE, FALSE,
+ sizeof (GstValueUnionInfo), GST_VALUE_UNION_TABLE_DEFAULT_SIZE);
+ gst_value_intersect_funcs = g_array_sized_new (FALSE, FALSE,
+ sizeof (GstValueIntersectInfo), GST_VALUE_INTERSECT_TABLE_DEFAULT_SIZE);
+ gst_value_subtract_funcs = g_array_sized_new (FALSE, FALSE,
+ sizeof (GstValueSubtractInfo), GST_VALUE_SUBTRACT_TABLE_DEFAULT_SIZE);
+
+ REGISTER_SERIALIZATION (gst_int_range_get_type (), int_range);
+ REGISTER_SERIALIZATION (gst_int64_range_get_type (), int64_range);
+ REGISTER_SERIALIZATION (gst_double_range_get_type (), double_range);
+ REGISTER_SERIALIZATION (gst_fraction_range_get_type (), fraction_range);
+ REGISTER_SERIALIZATION (gst_value_list_get_type (), value_list);
+ REGISTER_SERIALIZATION (gst_value_array_get_type (), value_array);
+ REGISTER_SERIALIZATION (g_value_array_get_type (), g_value_array);
+ REGISTER_SERIALIZATION (gst_buffer_get_type (), buffer);
+ REGISTER_SERIALIZATION (gst_sample_get_type (), sample);
+ REGISTER_SERIALIZATION (gst_fraction_get_type (), fraction);
+ REGISTER_SERIALIZATION (gst_caps_get_type (), caps);
+ REGISTER_SERIALIZATION (gst_tag_list_get_type (), tag_list);
+ REGISTER_SERIALIZATION (G_TYPE_DATE, date);
+ REGISTER_SERIALIZATION (gst_date_time_get_type (), date_time);
+ REGISTER_SERIALIZATION (gst_bitmask_get_type (), bitmask);
+ REGISTER_SERIALIZATION (gst_structure_get_type (), structure);
+ REGISTER_SERIALIZATION (gst_flagset_get_type (), flagset);
+
+ REGISTER_SERIALIZATION_NO_COMPARE (gst_segment_get_type (), segment);
+ REGISTER_SERIALIZATION_NO_COMPARE (gst_caps_features_get_type (),
+ caps_features);
+
+ REGISTER_SERIALIZATION_COMPARE_ONLY (gst_allocation_params_get_type (),
+ allocation_params);
+ REGISTER_SERIALIZATION_COMPARE_ONLY (G_TYPE_OBJECT, object);
+
+ REGISTER_SERIALIZATION_CONST (G_TYPE_DOUBLE, double);
+ REGISTER_SERIALIZATION_CONST (G_TYPE_FLOAT, float);
+
+ REGISTER_SERIALIZATION_CONST (G_TYPE_STRING, string);
+ REGISTER_SERIALIZATION_CONST (G_TYPE_BOOLEAN, boolean);
+ REGISTER_SERIALIZATION_CONST (G_TYPE_ENUM, enum);
+
+ REGISTER_SERIALIZATION_CONST (G_TYPE_FLAGS, gflags);
+
+ REGISTER_SERIALIZATION_CONST (G_TYPE_INT, int);
+
+ REGISTER_SERIALIZATION_CONST (G_TYPE_INT64, int64);
+ REGISTER_SERIALIZATION_CONST (G_TYPE_LONG, long);
+
+ REGISTER_SERIALIZATION_CONST (G_TYPE_UINT, uint);
+ REGISTER_SERIALIZATION_CONST (G_TYPE_UINT64, uint64);
+ REGISTER_SERIALIZATION_CONST (G_TYPE_ULONG, ulong);
+
+ REGISTER_SERIALIZATION_CONST (G_TYPE_UCHAR, uchar);
+
+ REGISTER_SERIALIZATION (G_TYPE_GTYPE, gtype);
g_value_register_transform_func (GST_TYPE_INT_RANGE, G_TYPE_STRING,
gst_value_transform_int_range_string);
gst_value_transform_fraction_range_string);
g_value_register_transform_func (GST_TYPE_LIST, G_TYPE_STRING,
gst_value_transform_list_string);
+ g_value_register_transform_func (GST_TYPE_LIST, G_TYPE_VALUE_ARRAY,
+ gst_value_transform_any_list_g_value_array);
g_value_register_transform_func (GST_TYPE_ARRAY, G_TYPE_STRING,
gst_value_transform_array_string);
+ g_value_register_transform_func (GST_TYPE_ARRAY, G_TYPE_VALUE_ARRAY,
+ gst_value_transform_any_list_g_value_array);
+ g_value_register_transform_func (G_TYPE_VALUE_ARRAY, G_TYPE_STRING,
+ gst_value_transform_g_value_array_string);
+ g_value_register_transform_func (G_TYPE_VALUE_ARRAY, GST_TYPE_ARRAY,
+ gst_value_transform_g_value_array_any_list);
+ g_value_register_transform_func (G_TYPE_VALUE_ARRAY, GST_TYPE_LIST,
+ gst_value_transform_g_value_array_any_list);
g_value_register_transform_func (GST_TYPE_FRACTION, G_TYPE_STRING,
gst_value_transform_fraction_string);
g_value_register_transform_func (G_TYPE_STRING, GST_TYPE_FRACTION,
g_value_register_transform_func (G_TYPE_STRING, GST_TYPE_BITMASK,
gst_value_transform_string_bitmask);
+ g_value_register_transform_func (GST_TYPE_FLAG_SET, G_TYPE_STRING,
+ gst_value_transform_flagset_string);
+ g_value_register_transform_func (G_TYPE_STRING, GST_TYPE_FLAG_SET,
+ gst_value_transform_string_flagset);
+
gst_value_register_intersect_func (G_TYPE_INT, GST_TYPE_INT_RANGE,
gst_value_intersect_int_int_range);
gst_value_register_intersect_func (GST_TYPE_INT_RANGE, GST_TYPE_INT_RANGE,
gst_value_intersect_int_range_int_range);
gst_value_register_intersect_func (G_TYPE_INT64, GST_TYPE_INT64_RANGE,
gst_value_intersect_int64_int64_range);
- gst_value_register_intersect_func (GST_TYPE_INT64_RANGE, GST_TYPE_INT64_RANGE,
- gst_value_intersect_int64_range_int64_range);
+ gst_value_register_intersect_func (GST_TYPE_INT64_RANGE,
+ GST_TYPE_INT64_RANGE, gst_value_intersect_int64_range_int64_range);
gst_value_register_intersect_func (G_TYPE_DOUBLE, GST_TYPE_DOUBLE_RANGE,
gst_value_intersect_double_double_range);
gst_value_register_intersect_func (GST_TYPE_DOUBLE_RANGE,
GST_TYPE_DOUBLE_RANGE, gst_value_intersect_double_range_double_range);
- gst_value_register_intersect_func (GST_TYPE_ARRAY,
- GST_TYPE_ARRAY, gst_value_intersect_array);
- gst_value_register_intersect_func (GST_TYPE_FRACTION, GST_TYPE_FRACTION_RANGE,
- gst_value_intersect_fraction_fraction_range);
+ gst_value_register_intersect_func (GST_TYPE_ARRAY, GST_TYPE_ARRAY,
+ gst_value_intersect_array);
+ gst_value_register_intersect_func (GST_TYPE_FRACTION,
+ GST_TYPE_FRACTION_RANGE, gst_value_intersect_fraction_fraction_range);
gst_value_register_intersect_func (GST_TYPE_FRACTION_RANGE,
GST_TYPE_FRACTION_RANGE,
gst_value_intersect_fraction_range_fraction_range);
- gst_value_register_intersect_func (GST_TYPE_BITMASK,
- GST_TYPE_BITMASK, gst_value_intersect_bitmask_bitmask);
+ gst_value_register_intersect_func (GST_TYPE_FLAG_SET, GST_TYPE_FLAG_SET,
+ gst_value_intersect_flagset_flagset);
+ gst_value_register_intersect_func (GST_TYPE_STRUCTURE, GST_TYPE_STRUCTURE,
+ gst_value_intersect_structure_structure);
gst_value_register_subtract_func (G_TYPE_INT, GST_TYPE_INT_RANGE,
gst_value_subtract_int_int_range);
gst_value_subtract_int64_int64_range);
gst_value_register_subtract_func (GST_TYPE_INT64_RANGE, G_TYPE_INT64,
gst_value_subtract_int64_range_int64);
- gst_value_register_subtract_func (GST_TYPE_INT64_RANGE, GST_TYPE_INT64_RANGE,
- gst_value_subtract_int64_range_int64_range);
+ gst_value_register_subtract_func (GST_TYPE_INT64_RANGE,
+ GST_TYPE_INT64_RANGE, gst_value_subtract_int64_range_int64_range);
gst_value_register_subtract_func (G_TYPE_DOUBLE, GST_TYPE_DOUBLE_RANGE,
gst_value_subtract_double_double_range);
gst_value_register_subtract_func (GST_TYPE_DOUBLE_RANGE, G_TYPE_DOUBLE,
gst_value_subtract_double_range_double);
gst_value_register_subtract_func (GST_TYPE_DOUBLE_RANGE,
GST_TYPE_DOUBLE_RANGE, gst_value_subtract_double_range_double_range);
- gst_value_register_subtract_func (GST_TYPE_FRACTION, GST_TYPE_FRACTION_RANGE,
- gst_value_subtract_fraction_fraction_range);
- gst_value_register_subtract_func (GST_TYPE_FRACTION_RANGE, GST_TYPE_FRACTION,
- gst_value_subtract_fraction_range_fraction);
+ gst_value_register_subtract_func (GST_TYPE_FRACTION,
+ GST_TYPE_FRACTION_RANGE, gst_value_subtract_fraction_fraction_range);
+ gst_value_register_subtract_func (GST_TYPE_FRACTION_RANGE,
+ GST_TYPE_FRACTION, gst_value_subtract_fraction_range_fraction);
gst_value_register_subtract_func (GST_TYPE_FRACTION_RANGE,
GST_TYPE_FRACTION_RANGE,
gst_value_subtract_fraction_range_fraction_range);
- gst_value_register_subtract_func (GST_TYPE_BITMASK,
- GST_TYPE_BITMASK, gst_value_subtract_bitmask_bitmask);
/* see bug #317246, #64994, #65041 */
{
gst_value_union_int_int_range);
gst_value_register_union_func (GST_TYPE_INT_RANGE, GST_TYPE_INT_RANGE,
gst_value_union_int_range_int_range);
- gst_value_register_union_func (GST_TYPE_BITMASK,
- GST_TYPE_BITMASK, gst_value_union_bitmask_bitmask);
+ gst_value_register_union_func (GST_TYPE_FLAG_SET, GST_TYPE_FLAG_SET,
+ gst_value_union_flagset_flagset);
+ gst_value_register_union_func (GST_TYPE_STRUCTURE, GST_TYPE_STRUCTURE,
+ gst_value_union_structure_structure);
+
+#if GST_VERSION_NANO == 1
+ /* If building from git master, check starting array sizes matched actual size
+ * so we can keep the defines in sync and save a few reallocs on startup */
+ if (gst_value_table->len > GST_VALUE_TABLE_DEFAULT_SIZE) {
+ GST_ERROR ("Wrong initial gst_value_table size. "
+ "Please set GST_VALUE_TABLE_DEFAULT_SIZE to %u in gstvalue.c",
+ gst_value_table->len);
+ }
+ if (gst_value_union_funcs->len > GST_VALUE_UNION_TABLE_DEFAULT_SIZE) {
+ GST_ERROR ("Wrong initial gst_value_union_funcs table size. "
+ "Please set GST_VALUE_UNION_TABLE_DEFAULT_SIZE to %u in gstvalue.c",
+ gst_value_union_funcs->len);
+ }
+ if (gst_value_intersect_funcs->len > GST_VALUE_INTERSECT_TABLE_DEFAULT_SIZE) {
+ GST_ERROR ("Wrong initial gst_value_intersect_funcs table size. "
+ "Please set GST_VALUE_INTERSECT_TABLE_DEFAULT_SIZE to %u in gstvalue.c",
+ gst_value_intersect_funcs->len);
+ }
+ if (gst_value_subtract_funcs->len > GST_VALUE_SUBTRACT_TABLE_DEFAULT_SIZE) {
+ GST_ERROR ("Wrong initial gst_value_subtract_funcs table size. "
+ "Please set GST_VALUE_SUBTRACT_TABLE_DEFAULT_SIZE to %u in gstvalue.c",
+ gst_value_subtract_funcs->len);
+ }
+#endif
#if 0
/* Implement these if needed */
GST_TYPE_FRACTION_RANGE, gst_value_union_fraction_range_fraction_range);
#endif
}
+
+static void
+gst_flagset_class_init (gpointer g_class, gpointer class_data)
+{
+ GstFlagSetClass *f_class = (GstFlagSetClass *) (g_class);
+ f_class->flags_type = (GType) GPOINTER_TO_SIZE (class_data);
+}
+
+/**
+ * gst_flagset_register:
+ * @flags_type: a #GType of a #G_TYPE_FLAGS type.
+ *
+ * Create a new sub-class of #GST_TYPE_FLAG_SET
+ * which will pretty-print the human-readable flags
+ * when serializing, for easier debugging.
+ *
+ * Since: 1.6
+ */
+GType
+gst_flagset_register (GType flags_type)
+{
+ GTypeInfo info = {
+ sizeof (GstFlagSetClass),
+ NULL, NULL,
+ (GClassInitFunc) gst_flagset_class_init,
+ NULL, GSIZE_TO_POINTER (flags_type), 0, 0, NULL, NULL
+ };
+ GType t;
+ gchar *class_name;
+
+ g_return_val_if_fail (G_TYPE_IS_FLAGS (flags_type), 0);
+
+ class_name = g_strdup_printf ("%sSet", g_type_name (flags_type));
+
+ t = g_type_register_static (GST_TYPE_FLAG_SET,
+ g_intern_string (class_name), &info, 0);
+ g_free (class_name);
+
+ return t;
+}
projects / platform / upstream / gstreamer.git / blobdiff