2 * Copyright (C) <2003> David A. Schleef <ds@schleef.org>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
22 * @short_description: GValue implementations specific
25 * GValue implementations specific to GStreamer.
27 * Note that operations on the same #GValue from multiple threads may lead to
28 * undefined behaviour.
30 * Last reviewed on 2008-03-11 (0.10.18)
42 #include "gst_private.h"
43 #include "glib-compat-private.h"
45 #include <gobject/gvaluecollector.h>
49 * @dest: a #GValue for the result
50 * @value1: a #GValue operand
51 * @value2: a #GValue operand
53 * Used by gst_value_union() to perform unification for a specific #GValue
54 * type. Register a new implementation with gst_value_register_union_func().
56 * Returns: %TRUE if a union was successful
58 typedef gboolean (*GstValueUnionFunc) (GValue * dest,
59 const GValue * value1, const GValue * value2);
61 /* GstValueIntersectFunc:
62 * @dest: (out caller-allocates): a #GValue for the result
63 * @value1: a #GValue operand
64 * @value2: a #GValue operand
66 * Used by gst_value_intersect() to perform intersection for a specific #GValue
67 * type. If the intersection is non-empty, the result is
68 * placed in @dest and TRUE is returned. If the intersection is
69 * empty, @dest is unmodified and FALSE is returned.
70 * Register a new implementation with gst_value_register_intersect_func().
72 * Returns: %TRUE if the values can intersect
74 typedef gboolean (*GstValueIntersectFunc) (GValue * dest,
75 const GValue * value1, const GValue * value2);
77 /* GstValueSubtractFunc:
78 * @dest: (out caller-allocates): a #GValue for the result
79 * @minuend: a #GValue operand
80 * @subtrahend: a #GValue operand
82 * Used by gst_value_subtract() to perform subtraction for a specific #GValue
83 * type. Register a new implementation with gst_value_register_subtract_func().
85 * Returns: %TRUE if the subtraction is not empty
87 typedef gboolean (*GstValueSubtractFunc) (GValue * dest,
88 const GValue * minuend, const GValue * subtrahend);
90 static void gst_value_register_union_func (GType type1,
91 GType type2, GstValueUnionFunc func);
92 static void gst_value_register_intersect_func (GType type1,
93 GType type2, GstValueIntersectFunc func);
94 static void gst_value_register_subtract_func (GType minuend_type,
95 GType subtrahend_type, GstValueSubtractFunc func);
97 typedef struct _GstValueUnionInfo GstValueUnionInfo;
98 struct _GstValueUnionInfo
102 GstValueUnionFunc func;
105 typedef struct _GstValueIntersectInfo GstValueIntersectInfo;
106 struct _GstValueIntersectInfo
110 GstValueIntersectFunc func;
113 typedef struct _GstValueSubtractInfo GstValueSubtractInfo;
114 struct _GstValueSubtractInfo
118 GstValueSubtractFunc func;
121 #define FUNDAMENTAL_TYPE_ID_MAX \
122 (G_TYPE_FUNDAMENTAL_MAX >> G_TYPE_FUNDAMENTAL_SHIFT)
123 #define FUNDAMENTAL_TYPE_ID(type) \
124 ((type) >> G_TYPE_FUNDAMENTAL_SHIFT)
126 #define VALUE_LIST_SIZE(v) (((GArray *) (v)->data[0].v_pointer)->len)
127 #define VALUE_LIST_GET_VALUE(v, index) ((const GValue *) &g_array_index ((GArray *) (v)->data[0].v_pointer, GValue, (index)))
129 static GArray *gst_value_table;
130 static GHashTable *gst_value_hash;
131 static GstValueTable *gst_value_tables_fundamental[FUNDAMENTAL_TYPE_ID_MAX + 1];
132 static GArray *gst_value_union_funcs;
133 static GArray *gst_value_intersect_funcs;
134 static GArray *gst_value_subtract_funcs;
136 /* Forward declarations */
137 static gchar *gst_value_serialize_fraction (const GValue * value);
139 static GstValueCompareFunc gst_value_get_compare_func (const GValue * value1);
140 static gint gst_value_compare_with_func (const GValue * value1,
141 const GValue * value2, GstValueCompareFunc compare);
143 static gchar *gst_string_wrap (const gchar * s);
144 static gchar *gst_string_take_and_wrap (gchar * s);
145 static gchar *gst_string_unwrap (const gchar * s);
147 static void gst_value_move (GValue * dest, GValue * src);
148 static void gst_value_list_append_and_take_value (GValue * value,
149 GValue * append_value);
150 static void gst_value_array_append_and_take_value (GValue * value,
151 GValue * append_value);
153 static inline GstValueTable *
154 gst_value_hash_lookup_type (GType type)
156 if (G_LIKELY (G_TYPE_IS_FUNDAMENTAL (type)))
157 return gst_value_tables_fundamental[FUNDAMENTAL_TYPE_ID (type)];
159 return g_hash_table_lookup (gst_value_hash, (gpointer) type);
163 gst_value_hash_add_type (GType type, const GstValueTable * table)
165 if (G_TYPE_IS_FUNDAMENTAL (type))
166 gst_value_tables_fundamental[FUNDAMENTAL_TYPE_ID (type)] = (gpointer) table;
168 g_hash_table_insert (gst_value_hash, (gpointer) type, (gpointer) table);
175 /* two helper functions to serialize/stringify any type of list
176 * regular lists are done with { }, arrays with < >
179 gst_value_serialize_any_list (const GValue * value, const gchar * begin,
183 GArray *array = value->data[0].v_pointer;
187 guint alen = array->len;
189 /* estimate minimum string length to minimise re-allocs in GString */
190 s = g_string_sized_new (2 + (6 * alen) + 2);
191 g_string_append (s, begin);
192 for (i = 0; i < alen; i++) {
193 v = &g_array_index (array, GValue, i);
194 s_val = gst_value_serialize (v);
196 g_string_append (s, s_val);
199 g_string_append_len (s, ", ", 2);
202 GST_WARNING ("Could not serialize list/array value of type '%s'",
203 G_VALUE_TYPE_NAME (v));
206 g_string_append (s, end);
207 return g_string_free (s, FALSE);
211 gst_value_transform_any_list_string (const GValue * src_value,
212 GValue * dest_value, const gchar * begin, const gchar * end)
221 array = src_value->data[0].v_pointer;
224 /* estimate minimum string length to minimise re-allocs in GString */
225 s = g_string_sized_new (2 + (10 * alen) + 2);
226 g_string_append (s, begin);
227 for (i = 0; i < alen; i++) {
228 list_value = &g_array_index (array, GValue, i);
231 g_string_append_len (s, ", ", 2);
233 list_s = g_strdup_value_contents (list_value);
234 g_string_append (s, list_s);
237 g_string_append (s, end);
239 dest_value->data[0].v_pointer = g_string_free (s, FALSE);
243 * helper function to see if a type is fixed. Is used internally here and
244 * there. Do not export, since it doesn't work for types where the content
245 * decides the fixedness (e.g. GST_TYPE_ARRAY).
248 gst_type_is_fixed (GType type)
250 /* the basic int, string, double types */
251 if (type <= G_TYPE_MAKE_FUNDAMENTAL (G_TYPE_RESERVED_GLIB_LAST)) {
254 /* our fundamental types that are certainly not fixed */
255 if (type == GST_TYPE_INT_RANGE || type == GST_TYPE_DOUBLE_RANGE ||
256 type == GST_TYPE_INT64_RANGE ||
257 type == GST_TYPE_LIST || type == GST_TYPE_FRACTION_RANGE) {
260 /* other (boxed) types that are fixed */
261 if (type == GST_TYPE_BUFFER) {
265 if (G_TYPE_IS_FUNDAMENTAL (type) || G_TYPE_FUNDAMENTAL (type) <=
266 G_TYPE_MAKE_FUNDAMENTAL (G_TYPE_RESERVED_GLIB_LAST)) {
273 /* GValue functions usable for both regular lists and arrays */
275 gst_value_init_list_or_array (GValue * value)
277 value->data[0].v_pointer = g_array_new (FALSE, TRUE, sizeof (GValue));
281 copy_garray_of_gstvalue (const GArray * src)
287 dest = g_array_sized_new (FALSE, TRUE, sizeof (GValue), len);
288 g_array_set_size (dest, len);
289 for (i = 0; i < len; i++) {
290 gst_value_init_and_copy (&g_array_index (dest, GValue, i),
291 &g_array_index (src, GValue, i));
298 gst_value_copy_list_or_array (const GValue * src_value, GValue * dest_value)
300 dest_value->data[0].v_pointer =
301 copy_garray_of_gstvalue ((GArray *) src_value->data[0].v_pointer);
305 gst_value_free_list_or_array (GValue * value)
308 GArray *src = (GArray *) value->data[0].v_pointer;
311 if ((value->data[1].v_uint & G_VALUE_NOCOPY_CONTENTS) == 0) {
312 for (i = 0; i < len; i++) {
313 g_value_unset (&g_array_index (src, GValue, i));
315 g_array_free (src, TRUE);
320 gst_value_list_or_array_peek_pointer (const GValue * value)
322 return value->data[0].v_pointer;
326 gst_value_collect_list_or_array (GValue * value, guint n_collect_values,
327 GTypeCValue * collect_values, guint collect_flags)
329 if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
330 value->data[0].v_pointer = collect_values[0].v_pointer;
331 value->data[1].v_uint = G_VALUE_NOCOPY_CONTENTS;
333 value->data[0].v_pointer =
334 copy_garray_of_gstvalue ((GArray *) collect_values[0].v_pointer);
340 gst_value_lcopy_list_or_array (const GValue * value, guint n_collect_values,
341 GTypeCValue * collect_values, guint collect_flags)
343 GArray **dest = collect_values[0].v_pointer;
346 return g_strdup_printf ("value location for `%s' passed as NULL",
347 G_VALUE_TYPE_NAME (value));
348 if (!value->data[0].v_pointer)
349 return g_strdup_printf ("invalid value given for `%s'",
350 G_VALUE_TYPE_NAME (value));
351 if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
352 *dest = (GArray *) value->data[0].v_pointer;
354 *dest = copy_garray_of_gstvalue ((GArray *) value->data[0].v_pointer);
360 gst_value_list_or_array_get_basic_type (const GValue * value, GType * type)
362 if (G_UNLIKELY (value == NULL))
365 if (GST_VALUE_HOLDS_LIST (value)) {
366 if (VALUE_LIST_SIZE (value) == 0)
368 return gst_value_list_or_array_get_basic_type (VALUE_LIST_GET_VALUE (value,
371 if (GST_VALUE_HOLDS_ARRAY (value)) {
372 const GArray *array = (const GArray *) value->data[0].v_pointer;
375 return gst_value_list_or_array_get_basic_type (&g_array_index (array,
379 *type = G_VALUE_TYPE (value);
384 #define IS_RANGE_COMPAT(type1,type2,t1,t2) \
385 (((t1) == (type1) && (t2) == (type2)) || ((t2) == (type1) && (t1) == (type2)))
388 gst_value_list_or_array_are_compatible (const GValue * value1,
389 const GValue * value2)
391 GType basic_type1, basic_type2;
393 /* empty or same type is OK */
394 if (!gst_value_list_or_array_get_basic_type (value1, &basic_type1) ||
395 !gst_value_list_or_array_get_basic_type (value2, &basic_type2) ||
396 basic_type1 == basic_type2)
399 /* ranges are distinct types for each bound type... */
400 if (IS_RANGE_COMPAT (G_TYPE_INT, GST_TYPE_INT_RANGE, basic_type1,
403 if (IS_RANGE_COMPAT (G_TYPE_INT64, GST_TYPE_INT64_RANGE, basic_type1,
406 if (IS_RANGE_COMPAT (G_TYPE_DOUBLE, GST_TYPE_DOUBLE_RANGE, basic_type1,
409 if (IS_RANGE_COMPAT (GST_TYPE_FRACTION, GST_TYPE_FRACTION_RANGE, basic_type1,
417 gst_value_list_append_and_take_value (GValue * value, GValue * append_value)
419 g_array_append_vals ((GArray *) value->data[0].v_pointer, append_value, 1);
420 memset (append_value, 0, sizeof (GValue));
424 * gst_value_list_append_value:
425 * @value: a #GValue of type #GST_TYPE_LIST
426 * @append_value: the value to append
428 * Appends @append_value to the GstValueList in @value.
431 gst_value_list_append_value (GValue * value, const GValue * append_value)
435 g_return_if_fail (GST_VALUE_HOLDS_LIST (value));
436 g_return_if_fail (G_IS_VALUE (append_value));
437 g_return_if_fail (gst_value_list_or_array_are_compatible (value,
440 gst_value_init_and_copy (&val, append_value);
441 g_array_append_vals ((GArray *) value->data[0].v_pointer, &val, 1);
445 * gst_value_list_prepend_value:
446 * @value: a #GValue of type #GST_TYPE_LIST
447 * @prepend_value: the value to prepend
449 * Prepends @prepend_value to the GstValueList in @value.
452 gst_value_list_prepend_value (GValue * value, const GValue * prepend_value)
456 g_return_if_fail (GST_VALUE_HOLDS_LIST (value));
457 g_return_if_fail (G_IS_VALUE (prepend_value));
458 g_return_if_fail (gst_value_list_or_array_are_compatible (value,
461 gst_value_init_and_copy (&val, prepend_value);
462 g_array_prepend_vals ((GArray *) value->data[0].v_pointer, &val, 1);
466 * gst_value_list_concat:
467 * @dest: (out caller-allocates): an uninitialized #GValue to take the result
471 * Concatenates copies of @value1 and @value2 into a list. Values that are not
472 * of type #GST_TYPE_LIST are treated as if they were lists of length 1.
473 * @dest will be initialized to the type #GST_TYPE_LIST.
476 gst_value_list_concat (GValue * dest, const GValue * value1,
477 const GValue * value2)
479 guint i, value1_length, value2_length;
482 g_return_if_fail (dest != NULL);
483 g_return_if_fail (G_VALUE_TYPE (dest) == 0);
484 g_return_if_fail (G_IS_VALUE (value1));
485 g_return_if_fail (G_IS_VALUE (value2));
486 g_return_if_fail (gst_value_list_or_array_are_compatible (value1, value2));
489 (GST_VALUE_HOLDS_LIST (value1) ? VALUE_LIST_SIZE (value1) : 1);
491 (GST_VALUE_HOLDS_LIST (value2) ? VALUE_LIST_SIZE (value2) : 1);
492 g_value_init (dest, GST_TYPE_LIST);
493 array = (GArray *) dest->data[0].v_pointer;
494 g_array_set_size (array, value1_length + value2_length);
496 if (GST_VALUE_HOLDS_LIST (value1)) {
497 for (i = 0; i < value1_length; i++) {
498 gst_value_init_and_copy (&g_array_index (array, GValue, i),
499 VALUE_LIST_GET_VALUE (value1, i));
502 gst_value_init_and_copy (&g_array_index (array, GValue, 0), value1);
505 if (GST_VALUE_HOLDS_LIST (value2)) {
506 for (i = 0; i < value2_length; i++) {
507 gst_value_init_and_copy (&g_array_index (array, GValue,
508 i + value1_length), VALUE_LIST_GET_VALUE (value2, i));
511 gst_value_init_and_copy (&g_array_index (array, GValue, value1_length),
517 * gst_value_list_merge:
518 * @dest: (out caller-allocates): an uninitialized #GValue to take the result
522 * Merges copies of @value1 and @value2. Values that are not
523 * of type #GST_TYPE_LIST are treated as if they were lists of length 1.
525 * The result will be put into @dest and will either be a list that will not
526 * contain any duplicates, or a non-list type (if @value1 and @value2
530 gst_value_list_merge (GValue * dest, const GValue * value1,
531 const GValue * value2)
533 guint i, j, k, value1_length, value2_length, skipped;
538 g_return_if_fail (dest != NULL);
539 g_return_if_fail (G_VALUE_TYPE (dest) == 0);
540 g_return_if_fail (G_IS_VALUE (value1));
541 g_return_if_fail (G_IS_VALUE (value2));
542 g_return_if_fail (gst_value_list_or_array_are_compatible (value1, value2));
545 (GST_VALUE_HOLDS_LIST (value1) ? VALUE_LIST_SIZE (value1) : 1);
547 (GST_VALUE_HOLDS_LIST (value2) ? VALUE_LIST_SIZE (value2) : 1);
548 g_value_init (dest, GST_TYPE_LIST);
549 array = (GArray *) dest->data[0].v_pointer;
550 g_array_set_size (array, value1_length + value2_length);
552 if (GST_VALUE_HOLDS_LIST (value1)) {
553 for (i = 0; i < value1_length; i++) {
554 gst_value_init_and_copy (&g_array_index (array, GValue, i),
555 VALUE_LIST_GET_VALUE (value1, i));
558 gst_value_init_and_copy (&g_array_index (array, GValue, 0), value1);
563 if (GST_VALUE_HOLDS_LIST (value2)) {
564 for (i = 0; i < value2_length; i++) {
566 src = VALUE_LIST_GET_VALUE (value2, i);
567 for (k = 0; k < value1_length; k++) {
568 if (gst_value_compare (&g_array_index (array, GValue, k),
569 src) == GST_VALUE_EQUAL) {
576 gst_value_init_and_copy (&g_array_index (array, GValue, j), src);
582 for (k = 0; k < value1_length; k++) {
583 if (gst_value_compare (&g_array_index (array, GValue, k),
584 value2) == GST_VALUE_EQUAL) {
591 gst_value_init_and_copy (&g_array_index (array, GValue, j), value2);
595 guint new_size = value1_length + (value2_length - skipped);
599 g_array_set_size (array, new_size);
603 /* size is 1, take single value in list and make it new dest */
604 single_dest = g_array_index (array, GValue, 0);
606 /* clean up old value allocations: must set array size to 0, because
607 * allocated values are not inited meaning g_value_unset() will not
609 g_array_set_size (array, 0);
610 g_value_unset (dest);
612 /* the single value is our new result */
619 * gst_value_list_get_size:
620 * @value: a #GValue of type #GST_TYPE_LIST
622 * Gets the number of values contained in @value.
624 * Returns: the number of values
627 gst_value_list_get_size (const GValue * value)
629 g_return_val_if_fail (GST_VALUE_HOLDS_LIST (value), 0);
631 return ((GArray *) value->data[0].v_pointer)->len;
635 * gst_value_list_get_value:
636 * @value: a #GValue of type #GST_TYPE_LIST
637 * @index: index of value to get from the list
639 * Gets the value that is a member of the list contained in @value and
640 * has the index @index.
642 * Returns: (transfer none): the value at the given index
645 gst_value_list_get_value (const GValue * value, guint index)
647 g_return_val_if_fail (GST_VALUE_HOLDS_LIST (value), NULL);
648 g_return_val_if_fail (index < VALUE_LIST_SIZE (value), NULL);
650 return (const GValue *) &g_array_index ((GArray *) value->data[0].v_pointer,
655 * gst_value_array_append_value:
656 * @value: a #GValue of type #GST_TYPE_ARRAY
657 * @append_value: the value to append
659 * Appends @append_value to the GstValueArray in @value.
662 gst_value_array_append_value (GValue * value, const GValue * append_value)
666 g_return_if_fail (GST_VALUE_HOLDS_ARRAY (value));
667 g_return_if_fail (G_IS_VALUE (append_value));
668 g_return_if_fail (gst_value_list_or_array_are_compatible (value,
671 gst_value_init_and_copy (&val, append_value);
672 g_array_append_vals ((GArray *) value->data[0].v_pointer, &val, 1);
676 gst_value_array_append_and_take_value (GValue * value, GValue * append_value)
678 g_array_append_vals ((GArray *) value->data[0].v_pointer, append_value, 1);
679 memset (append_value, 0, sizeof (GValue));
683 * gst_value_array_prepend_value:
684 * @value: a #GValue of type #GST_TYPE_ARRAY
685 * @prepend_value: the value to prepend
687 * Prepends @prepend_value to the GstValueArray in @value.
690 gst_value_array_prepend_value (GValue * value, const GValue * prepend_value)
694 g_return_if_fail (GST_VALUE_HOLDS_ARRAY (value));
695 g_return_if_fail (G_IS_VALUE (prepend_value));
696 g_return_if_fail (gst_value_list_or_array_are_compatible (value,
699 gst_value_init_and_copy (&val, prepend_value);
700 g_array_prepend_vals ((GArray *) value->data[0].v_pointer, &val, 1);
704 * gst_value_array_get_size:
705 * @value: a #GValue of type #GST_TYPE_ARRAY
707 * Gets the number of values contained in @value.
709 * Returns: the number of values
712 gst_value_array_get_size (const GValue * value)
714 g_return_val_if_fail (GST_VALUE_HOLDS_ARRAY (value), 0);
716 return ((GArray *) value->data[0].v_pointer)->len;
720 * gst_value_array_get_value:
721 * @value: a #GValue of type #GST_TYPE_ARRAY
722 * @index: index of value to get from the array
724 * Gets the value that is a member of the array contained in @value and
725 * has the index @index.
727 * Returns: (transfer none): the value at the given index
730 gst_value_array_get_value (const GValue * value, guint index)
732 g_return_val_if_fail (GST_VALUE_HOLDS_ARRAY (value), NULL);
733 g_return_val_if_fail (index < gst_value_array_get_size (value), NULL);
735 return (const GValue *) &g_array_index ((GArray *) value->data[0].v_pointer,
740 gst_value_transform_list_string (const GValue * src_value, GValue * dest_value)
742 gst_value_transform_any_list_string (src_value, dest_value, "{ ", " }");
746 gst_value_transform_array_string (const GValue * src_value, GValue * dest_value)
748 gst_value_transform_any_list_string (src_value, dest_value, "< ", " >");
751 /* Do an unordered compare of the contents of a list */
753 gst_value_compare_list (const GValue * value1, const GValue * value2)
756 GArray *array1 = value1->data[0].v_pointer;
757 GArray *array2 = value2->data[0].v_pointer;
762 GstValueCompareFunc compare;
764 /* get length and do initial length check. */
766 if (len != array2->len)
767 return GST_VALUE_UNORDERED;
769 /* place to mark removed value indices of array2 */
770 removed = g_newa (guint8, len);
771 memset (removed, 0, len);
774 /* loop over array1, all items should be in array2. When we find an
775 * item in array2, remove it from array2 by marking it as removed */
776 for (i = 0; i < len; i++) {
777 v1 = &g_array_index (array1, GValue, i);
778 if ((compare = gst_value_get_compare_func (v1))) {
779 for (j = 0; j < len; j++) {
780 /* item is removed, we can skip it */
783 v2 = &g_array_index (array2, GValue, j);
784 if (gst_value_compare_with_func (v1, v2, compare) == GST_VALUE_EQUAL) {
785 /* mark item as removed now that we found it in array2 and
786 * decrement the number of remaining items in array2. */
792 /* item in array1 and not in array2, UNORDERED */
794 return GST_VALUE_UNORDERED;
796 return GST_VALUE_UNORDERED;
798 /* if not all items were removed, array2 contained something not in array1 */
800 return GST_VALUE_UNORDERED;
802 /* arrays are equal */
803 return GST_VALUE_EQUAL;
806 /* Perform an ordered comparison of the contents of an array */
808 gst_value_compare_array (const GValue * value1, const GValue * value2)
811 GArray *array1 = value1->data[0].v_pointer;
812 GArray *array2 = value2->data[0].v_pointer;
813 guint len = array1->len;
817 if (len != array2->len)
818 return GST_VALUE_UNORDERED;
820 for (i = 0; i < len; i++) {
821 v1 = &g_array_index (array1, GValue, i);
822 v2 = &g_array_index (array2, GValue, i);
823 if (gst_value_compare (v1, v2) != GST_VALUE_EQUAL)
824 return GST_VALUE_UNORDERED;
827 return GST_VALUE_EQUAL;
831 gst_value_serialize_list (const GValue * value)
833 return gst_value_serialize_any_list (value, "{ ", " }");
837 gst_value_deserialize_list (GValue * dest, const gchar * s)
839 g_warning ("gst_value_deserialize_list: unimplemented");
844 gst_value_serialize_array (const GValue * value)
846 return gst_value_serialize_any_list (value, "< ", " >");
850 gst_value_deserialize_array (GValue * dest, const gchar * s)
852 g_warning ("gst_value_deserialize_array: unimplemented");
859 * Values in the range are defined as any value greater or equal
860 * to min*step, AND lesser or equal to max*step.
861 * For step == 1, this falls back to the traditional range semantics.
864 #define INT_RANGE_MIN(v) (((gint *)((v)->data[0].v_pointer))[0])
865 #define INT_RANGE_MAX(v) (((gint *)((v)->data[0].v_pointer))[1])
866 #define INT_RANGE_STEP(v) (((gint *)((v)->data[0].v_pointer))[2])
869 gst_value_init_int_range (GValue * value)
871 gint *vals = g_slice_alloc0 (3 * sizeof (gint));
872 value->data[0].v_pointer = vals;
873 INT_RANGE_MIN (value) = 0;
874 INT_RANGE_MAX (value) = 0;
875 INT_RANGE_STEP (value) = 1;
879 gst_value_free_int_range (GValue * value)
881 g_return_if_fail (GST_VALUE_HOLDS_INT_RANGE (value));
882 g_slice_free1 (3 * sizeof (gint), value->data[0].v_pointer);
883 value->data[0].v_pointer = NULL;
887 gst_value_copy_int_range (const GValue * src_value, GValue * dest_value)
889 gint *vals = (gint *) dest_value->data[0].v_pointer;
890 gint *src_vals = (gint *) src_value->data[0].v_pointer;
893 gst_value_init_int_range (dest_value);
895 if (src_vals != NULL) {
896 INT_RANGE_MIN (dest_value) = INT_RANGE_MIN (src_value);
897 INT_RANGE_MAX (dest_value) = INT_RANGE_MAX (src_value);
898 INT_RANGE_STEP (dest_value) = INT_RANGE_STEP (src_value);
903 gst_value_collect_int_range (GValue * value, guint n_collect_values,
904 GTypeCValue * collect_values, guint collect_flags)
906 gint *vals = value->data[0].v_pointer;
908 if (n_collect_values != 2)
909 return g_strdup_printf ("not enough value locations for `%s' passed",
910 G_VALUE_TYPE_NAME (value));
911 if (collect_values[0].v_int >= collect_values[1].v_int)
912 return g_strdup_printf ("range start is not smaller than end for `%s'",
913 G_VALUE_TYPE_NAME (value));
916 gst_value_init_int_range (value);
919 gst_value_set_int_range_step (value, collect_values[0].v_int,
920 collect_values[1].v_int, 1);
926 gst_value_lcopy_int_range (const GValue * value, guint n_collect_values,
927 GTypeCValue * collect_values, guint collect_flags)
929 guint32 *int_range_start = collect_values[0].v_pointer;
930 guint32 *int_range_end = collect_values[1].v_pointer;
931 guint32 *int_range_step = collect_values[2].v_pointer;
932 gint *vals = (gint *) value->data[0].v_pointer;
934 if (!int_range_start)
935 return g_strdup_printf ("start value location for `%s' passed as NULL",
936 G_VALUE_TYPE_NAME (value));
938 return g_strdup_printf ("end value location for `%s' passed as NULL",
939 G_VALUE_TYPE_NAME (value));
941 return g_strdup_printf ("step value location for `%s' passed as NULL",
942 G_VALUE_TYPE_NAME (value));
944 if (G_UNLIKELY (vals == NULL)) {
945 return g_strdup_printf ("Uninitialised `%s' passed",
946 G_VALUE_TYPE_NAME (value));
949 *int_range_start = INT_RANGE_MIN (value);
950 *int_range_end = INT_RANGE_MAX (value);
951 *int_range_step = INT_RANGE_STEP (value);
957 * gst_value_set_int_range_step:
958 * @value: a GValue initialized to GST_TYPE_INT_RANGE
959 * @start: the start of the range
960 * @end: the end of the range
961 * @step: the step of the range
963 * Sets @value to the range specified by @start, @end and @step.
966 gst_value_set_int_range_step (GValue * value, gint start, gint end, gint step)
968 g_return_if_fail (GST_VALUE_HOLDS_INT_RANGE (value));
969 g_return_if_fail (start < end);
970 g_return_if_fail (step > 0);
971 g_return_if_fail (start % step == 0);
972 g_return_if_fail (end % step == 0);
974 INT_RANGE_MIN (value) = start / step;
975 INT_RANGE_MAX (value) = end / step;
976 INT_RANGE_STEP (value) = step;
980 * gst_value_set_int_range:
981 * @value: a GValue initialized to GST_TYPE_INT_RANGE
982 * @start: the start of the range
983 * @end: the end of the range
985 * Sets @value to the range specified by @start and @end.
988 gst_value_set_int_range (GValue * value, gint start, gint end)
990 gst_value_set_int_range_step (value, start, end, 1);
994 * gst_value_get_int_range_min:
995 * @value: a GValue initialized to GST_TYPE_INT_RANGE
997 * Gets the minimum of the range specified by @value.
999 * Returns: the minimum of the range
1002 gst_value_get_int_range_min (const GValue * value)
1004 g_return_val_if_fail (GST_VALUE_HOLDS_INT_RANGE (value), 0);
1006 return INT_RANGE_MIN (value) * INT_RANGE_STEP (value);
1010 * gst_value_get_int_range_max:
1011 * @value: a GValue initialized to GST_TYPE_INT_RANGE
1013 * Gets the maximum of the range specified by @value.
1015 * Returns: the maxumum of the range
1018 gst_value_get_int_range_max (const GValue * value)
1020 g_return_val_if_fail (GST_VALUE_HOLDS_INT_RANGE (value), 0);
1022 return INT_RANGE_MAX (value) * INT_RANGE_STEP (value);
1026 * gst_value_get_int_range_step:
1027 * @value: a GValue initialized to GST_TYPE_INT_RANGE
1029 * Gets the step of the range specified by @value.
1031 * Returns: the step of the range
1034 gst_value_get_int_range_step (const GValue * value)
1036 g_return_val_if_fail (GST_VALUE_HOLDS_INT_RANGE (value), 0);
1038 return INT_RANGE_STEP (value);
1042 gst_value_transform_int_range_string (const GValue * src_value,
1043 GValue * dest_value)
1045 if (INT_RANGE_STEP (src_value) == 1)
1046 dest_value->data[0].v_pointer = g_strdup_printf ("[%d,%d]",
1047 INT_RANGE_MIN (src_value), INT_RANGE_MAX (src_value));
1049 dest_value->data[0].v_pointer = g_strdup_printf ("[%d,%d,%d]",
1050 INT_RANGE_MIN (src_value) * INT_RANGE_STEP (src_value),
1051 INT_RANGE_MAX (src_value) * INT_RANGE_STEP (src_value),
1052 INT_RANGE_STEP (src_value));
1056 gst_value_compare_int_range (const GValue * value1, const GValue * value2)
1058 /* calculate the number of values in each range */
1059 gint n1 = INT_RANGE_MAX (value1) - INT_RANGE_MIN (value1) + 1;
1060 gint n2 = INT_RANGE_MAX (value2) - INT_RANGE_MIN (value2) + 1;
1062 /* they must be equal */
1064 return GST_VALUE_UNORDERED;
1066 /* if empty, equal */
1068 return GST_VALUE_EQUAL;
1070 /* if more than one value, then it is only equal if the step is equal
1071 and bounds lie on the same value */
1073 if (INT_RANGE_STEP (value1) == INT_RANGE_STEP (value2) &&
1074 INT_RANGE_STEP (value1) == INT_RANGE_STEP (value2) &&
1075 INT_RANGE_STEP (value1) == INT_RANGE_STEP (value2)) {
1076 return GST_VALUE_EQUAL;
1078 return GST_VALUE_UNORDERED;
1080 /* if just one, only if the value is equal */
1081 if (INT_RANGE_MIN (value1) == INT_RANGE_MIN (value2))
1082 return GST_VALUE_EQUAL;
1083 return GST_VALUE_UNORDERED;
1088 gst_value_serialize_int_range (const GValue * value)
1090 if (INT_RANGE_STEP (value) == 1)
1091 return g_strdup_printf ("[ %d, %d ]", INT_RANGE_MIN (value),
1092 INT_RANGE_MAX (value));
1094 return g_strdup_printf ("[ %d, %d, %d ]",
1095 INT_RANGE_MIN (value) * INT_RANGE_STEP (value),
1096 INT_RANGE_MAX (value) * INT_RANGE_STEP (value), INT_RANGE_STEP (value));
1100 gst_value_deserialize_int_range (GValue * dest, const gchar * s)
1102 g_warning ("unimplemented");
1109 * Values in the range are defined as any value greater or equal
1110 * to min*step, AND lesser or equal to max*step.
1111 * For step == 1, this falls back to the traditional range semantics.
1114 #define INT64_RANGE_MIN(v) (((gint64 *)((v)->data[0].v_pointer))[0])
1115 #define INT64_RANGE_MAX(v) (((gint64 *)((v)->data[0].v_pointer))[1])
1116 #define INT64_RANGE_STEP(v) (((gint64 *)((v)->data[0].v_pointer))[2])
1119 gst_value_init_int64_range (GValue * value)
1121 gint64 *vals = g_slice_alloc0 (3 * sizeof (gint64));
1122 value->data[0].v_pointer = vals;
1123 INT64_RANGE_MIN (value) = 0;
1124 INT64_RANGE_MAX (value) = 0;
1125 INT64_RANGE_STEP (value) = 1;
1129 gst_value_free_int64_range (GValue * value)
1131 g_return_if_fail (GST_VALUE_HOLDS_INT64_RANGE (value));
1132 g_slice_free1 (3 * sizeof (gint64), value->data[0].v_pointer);
1133 value->data[0].v_pointer = NULL;
1137 gst_value_copy_int64_range (const GValue * src_value, GValue * dest_value)
1139 gint64 *vals = (gint64 *) dest_value->data[0].v_pointer;
1140 gint64 *src_vals = (gint64 *) src_value->data[0].v_pointer;
1143 gst_value_init_int64_range (dest_value);
1146 if (src_vals != NULL) {
1147 INT64_RANGE_MIN (dest_value) = INT64_RANGE_MIN (src_value);
1148 INT64_RANGE_MAX (dest_value) = INT64_RANGE_MAX (src_value);
1149 INT64_RANGE_STEP (dest_value) = INT64_RANGE_STEP (src_value);
1154 gst_value_collect_int64_range (GValue * value, guint n_collect_values,
1155 GTypeCValue * collect_values, guint collect_flags)
1157 gint64 *vals = value->data[0].v_pointer;
1159 if (n_collect_values != 2)
1160 return g_strdup_printf ("not enough value locations for `%s' passed",
1161 G_VALUE_TYPE_NAME (value));
1162 if (collect_values[0].v_int64 >= collect_values[1].v_int64)
1163 return g_strdup_printf ("range start is not smaller than end for `%s'",
1164 G_VALUE_TYPE_NAME (value));
1167 gst_value_init_int64_range (value);
1170 gst_value_set_int64_range_step (value, collect_values[0].v_int64,
1171 collect_values[1].v_int64, 1);
1177 gst_value_lcopy_int64_range (const GValue * value, guint n_collect_values,
1178 GTypeCValue * collect_values, guint collect_flags)
1180 guint64 *int_range_start = collect_values[0].v_pointer;
1181 guint64 *int_range_end = collect_values[1].v_pointer;
1182 guint64 *int_range_step = collect_values[2].v_pointer;
1183 gint64 *vals = (gint64 *) value->data[0].v_pointer;
1185 if (!int_range_start)
1186 return g_strdup_printf ("start value location for `%s' passed as NULL",
1187 G_VALUE_TYPE_NAME (value));
1189 return g_strdup_printf ("end value location for `%s' passed as NULL",
1190 G_VALUE_TYPE_NAME (value));
1191 if (!int_range_step)
1192 return g_strdup_printf ("step value location for `%s' passed as NULL",
1193 G_VALUE_TYPE_NAME (value));
1195 if (G_UNLIKELY (vals == NULL)) {
1196 return g_strdup_printf ("Uninitialised `%s' passed",
1197 G_VALUE_TYPE_NAME (value));
1200 *int_range_start = INT64_RANGE_MIN (value);
1201 *int_range_end = INT64_RANGE_MAX (value);
1202 *int_range_step = INT64_RANGE_STEP (value);
1208 * gst_value_set_int64_range_step:
1209 * @value: a GValue initialized to GST_TYPE_INT64_RANGE
1210 * @start: the start of the range
1211 * @end: the end of the range
1212 * @step: the step of the range
1214 * Sets @value to the range specified by @start, @end and @step.
1217 gst_value_set_int64_range_step (GValue * value, gint64 start, gint64 end,
1220 g_return_if_fail (GST_VALUE_HOLDS_INT64_RANGE (value));
1221 g_return_if_fail (start < end);
1222 g_return_if_fail (step > 0);
1223 g_return_if_fail (start % step == 0);
1224 g_return_if_fail (end % step == 0);
1226 INT64_RANGE_MIN (value) = start / step;
1227 INT64_RANGE_MAX (value) = end / step;
1228 INT64_RANGE_STEP (value) = step;
1232 * gst_value_set_int64_range:
1233 * @value: a GValue initialized to GST_TYPE_INT64_RANGE
1234 * @start: the start of the range
1235 * @end: the end of the range
1237 * Sets @value to the range specified by @start and @end.
1240 gst_value_set_int64_range (GValue * value, gint64 start, gint64 end)
1242 gst_value_set_int64_range_step (value, start, end, 1);
1246 * gst_value_get_int64_range_min:
1247 * @value: a GValue initialized to GST_TYPE_INT64_RANGE
1249 * Gets the minimum of the range specified by @value.
1251 * Returns: the minimum of the range
1254 gst_value_get_int64_range_min (const GValue * value)
1256 g_return_val_if_fail (GST_VALUE_HOLDS_INT64_RANGE (value), 0);
1258 return INT64_RANGE_MIN (value) * INT64_RANGE_STEP (value);
1262 * gst_value_get_int64_range_max:
1263 * @value: a GValue initialized to GST_TYPE_INT64_RANGE
1265 * Gets the maximum of the range specified by @value.
1267 * Returns: the maxumum of the range
1270 gst_value_get_int64_range_max (const GValue * value)
1272 g_return_val_if_fail (GST_VALUE_HOLDS_INT64_RANGE (value), 0);
1274 return INT64_RANGE_MAX (value) * INT64_RANGE_STEP (value);
1278 * gst_value_get_int64_range_step:
1279 * @value: a GValue initialized to GST_TYPE_INT64_RANGE
1281 * Gets the step of the range specified by @value.
1283 * Returns: the step of the range
1286 gst_value_get_int64_range_step (const GValue * value)
1288 g_return_val_if_fail (GST_VALUE_HOLDS_INT64_RANGE (value), 0);
1290 return INT64_RANGE_STEP (value);
1294 gst_value_transform_int64_range_string (const GValue * src_value,
1295 GValue * dest_value)
1297 if (INT64_RANGE_STEP (src_value) == 1)
1298 dest_value->data[0].v_pointer =
1299 g_strdup_printf ("(gint64)[%" G_GINT64_FORMAT ",%" G_GINT64_FORMAT "]",
1300 INT64_RANGE_MIN (src_value), INT64_RANGE_MAX (src_value));
1302 dest_value->data[0].v_pointer =
1303 g_strdup_printf ("(gint64)[%" G_GINT64_FORMAT ",%" G_GINT64_FORMAT
1304 ",%" G_GINT64_FORMAT "]",
1305 INT64_RANGE_MIN (src_value) * INT64_RANGE_STEP (src_value),
1306 INT64_RANGE_MAX (src_value) * INT64_RANGE_STEP (src_value),
1307 INT64_RANGE_STEP (src_value));
1311 gst_value_compare_int64_range (const GValue * value1, const GValue * value2)
1313 /* calculate the number of values in each range */
1314 gint64 n1 = INT64_RANGE_MAX (value1) - INT64_RANGE_MIN (value1) + 1;
1315 gint64 n2 = INT64_RANGE_MAX (value2) - INT64_RANGE_MIN (value2) + 1;
1317 /* they must be equal */
1319 return GST_VALUE_UNORDERED;
1321 /* if empty, equal */
1323 return GST_VALUE_EQUAL;
1325 /* if more than one value, then it is only equal if the step is equal
1326 and bounds lie on the same value */
1328 if (INT64_RANGE_STEP (value1) == INT64_RANGE_STEP (value2) &&
1329 INT64_RANGE_STEP (value1) == INT64_RANGE_STEP (value2) &&
1330 INT64_RANGE_STEP (value1) == INT64_RANGE_STEP (value2)) {
1331 return GST_VALUE_EQUAL;
1333 return GST_VALUE_UNORDERED;
1335 /* if just one, only if the value is equal */
1336 if (INT64_RANGE_MIN (value1) == INT64_RANGE_MIN (value2))
1337 return GST_VALUE_EQUAL;
1338 return GST_VALUE_UNORDERED;
1343 gst_value_serialize_int64_range (const GValue * value)
1345 if (INT64_RANGE_STEP (value) == 1)
1346 return g_strdup_printf ("[ %" G_GINT64_FORMAT ", %" G_GINT64_FORMAT " ]",
1347 INT64_RANGE_MIN (value), INT64_RANGE_MAX (value));
1349 return g_strdup_printf ("[ %" G_GINT64_FORMAT ", %" G_GINT64_FORMAT ", %"
1350 G_GINT64_FORMAT " ]",
1351 INT64_RANGE_MIN (value) * INT64_RANGE_STEP (value),
1352 INT64_RANGE_MAX (value) * INT64_RANGE_STEP (value),
1353 INT64_RANGE_STEP (value));
1357 gst_value_deserialize_int64_range (GValue * dest, const gchar * s)
1359 g_warning ("unimplemented");
1368 gst_value_init_double_range (GValue * value)
1370 value->data[0].v_double = 0;
1371 value->data[1].v_double = 0;
1375 gst_value_copy_double_range (const GValue * src_value, GValue * dest_value)
1377 dest_value->data[0].v_double = src_value->data[0].v_double;
1378 dest_value->data[1].v_double = src_value->data[1].v_double;
1382 gst_value_collect_double_range (GValue * value, guint n_collect_values,
1383 GTypeCValue * collect_values, guint collect_flags)
1385 if (n_collect_values != 2)
1386 return g_strdup_printf ("not enough value locations for `%s' passed",
1387 G_VALUE_TYPE_NAME (value));
1388 if (collect_values[0].v_double >= collect_values[1].v_double)
1389 return g_strdup_printf ("range start is not smaller than end for `%s'",
1390 G_VALUE_TYPE_NAME (value));
1392 value->data[0].v_double = collect_values[0].v_double;
1393 value->data[1].v_double = collect_values[1].v_double;
1399 gst_value_lcopy_double_range (const GValue * value, guint n_collect_values,
1400 GTypeCValue * collect_values, guint collect_flags)
1402 gdouble *double_range_start = collect_values[0].v_pointer;
1403 gdouble *double_range_end = collect_values[1].v_pointer;
1405 if (!double_range_start)
1406 return g_strdup_printf ("start value location for `%s' passed as NULL",
1407 G_VALUE_TYPE_NAME (value));
1408 if (!double_range_end)
1409 return g_strdup_printf ("end value location for `%s' passed as NULL",
1410 G_VALUE_TYPE_NAME (value));
1412 *double_range_start = value->data[0].v_double;
1413 *double_range_end = value->data[1].v_double;
1419 * gst_value_set_double_range:
1420 * @value: a GValue initialized to GST_TYPE_DOUBLE_RANGE
1421 * @start: the start of the range
1422 * @end: the end of the range
1424 * Sets @value to the range specified by @start and @end.
1427 gst_value_set_double_range (GValue * value, gdouble start, gdouble end)
1429 g_return_if_fail (GST_VALUE_HOLDS_DOUBLE_RANGE (value));
1430 g_return_if_fail (start < end);
1432 value->data[0].v_double = start;
1433 value->data[1].v_double = end;
1437 * gst_value_get_double_range_min:
1438 * @value: a GValue initialized to GST_TYPE_DOUBLE_RANGE
1440 * Gets the minimum of the range specified by @value.
1442 * Returns: the minimum of the range
1445 gst_value_get_double_range_min (const GValue * value)
1447 g_return_val_if_fail (GST_VALUE_HOLDS_DOUBLE_RANGE (value), 0);
1449 return value->data[0].v_double;
1453 * gst_value_get_double_range_max:
1454 * @value: a GValue initialized to GST_TYPE_DOUBLE_RANGE
1456 * Gets the maximum of the range specified by @value.
1458 * Returns: the maxumum of the range
1461 gst_value_get_double_range_max (const GValue * value)
1463 g_return_val_if_fail (GST_VALUE_HOLDS_DOUBLE_RANGE (value), 0);
1465 return value->data[1].v_double;
1469 gst_value_transform_double_range_string (const GValue * src_value,
1470 GValue * dest_value)
1472 gchar s1[G_ASCII_DTOSTR_BUF_SIZE], s2[G_ASCII_DTOSTR_BUF_SIZE];
1474 dest_value->data[0].v_pointer = g_strdup_printf ("[%s,%s]",
1475 g_ascii_dtostr (s1, G_ASCII_DTOSTR_BUF_SIZE,
1476 src_value->data[0].v_double),
1477 g_ascii_dtostr (s2, G_ASCII_DTOSTR_BUF_SIZE,
1478 src_value->data[1].v_double));
1482 gst_value_compare_double_range (const GValue * value1, const GValue * value2)
1484 if (value2->data[0].v_double == value1->data[0].v_double &&
1485 value2->data[0].v_double == value1->data[0].v_double)
1486 return GST_VALUE_EQUAL;
1487 return GST_VALUE_UNORDERED;
1491 gst_value_serialize_double_range (const GValue * value)
1493 gchar d1[G_ASCII_DTOSTR_BUF_SIZE];
1494 gchar d2[G_ASCII_DTOSTR_BUF_SIZE];
1496 g_ascii_dtostr (d1, G_ASCII_DTOSTR_BUF_SIZE, value->data[0].v_double);
1497 g_ascii_dtostr (d2, G_ASCII_DTOSTR_BUF_SIZE, value->data[1].v_double);
1498 return g_strdup_printf ("[ %s, %s ]", d1, d2);
1502 gst_value_deserialize_double_range (GValue * dest, const gchar * s)
1504 g_warning ("unimplemented");
1513 gst_value_init_fraction_range (GValue * value)
1518 ftype = GST_TYPE_FRACTION;
1520 value->data[0].v_pointer = vals = g_slice_alloc0 (2 * sizeof (GValue));
1521 g_value_init (&vals[0], ftype);
1522 g_value_init (&vals[1], ftype);
1526 gst_value_free_fraction_range (GValue * value)
1528 GValue *vals = (GValue *) value->data[0].v_pointer;
1531 /* we know the two values contain fractions without internal allocs */
1532 /* g_value_unset (&vals[0]); */
1533 /* g_value_unset (&vals[1]); */
1534 g_slice_free1 (2 * sizeof (GValue), vals);
1535 value->data[0].v_pointer = NULL;
1540 gst_value_copy_fraction_range (const GValue * src_value, GValue * dest_value)
1542 GValue *vals = (GValue *) dest_value->data[0].v_pointer;
1543 GValue *src_vals = (GValue *) src_value->data[0].v_pointer;
1546 gst_value_init_fraction_range (dest_value);
1547 vals = dest_value->data[0].v_pointer;
1549 if (src_vals != NULL) {
1550 g_value_copy (&src_vals[0], &vals[0]);
1551 g_value_copy (&src_vals[1], &vals[1]);
1556 gst_value_collect_fraction_range (GValue * value, guint n_collect_values,
1557 GTypeCValue * collect_values, guint collect_flags)
1559 GValue *vals = (GValue *) value->data[0].v_pointer;
1561 if (n_collect_values != 4)
1562 return g_strdup_printf ("not enough value locations for `%s' passed",
1563 G_VALUE_TYPE_NAME (value));
1564 if (collect_values[1].v_int == 0)
1565 return g_strdup_printf ("passed '0' as first denominator for `%s'",
1566 G_VALUE_TYPE_NAME (value));
1567 if (collect_values[3].v_int == 0)
1568 return g_strdup_printf ("passed '0' as second denominator for `%s'",
1569 G_VALUE_TYPE_NAME (value));
1570 if (gst_util_fraction_compare (collect_values[0].v_int,
1571 collect_values[1].v_int, collect_values[2].v_int,
1572 collect_values[3].v_int) >= 0)
1573 return g_strdup_printf ("range start is not smaller than end for `%s'",
1574 G_VALUE_TYPE_NAME (value));
1577 gst_value_init_fraction_range (value);
1578 vals = value->data[0].v_pointer;
1581 gst_value_set_fraction (&vals[0], collect_values[0].v_int,
1582 collect_values[1].v_int);
1583 gst_value_set_fraction (&vals[1], collect_values[2].v_int,
1584 collect_values[3].v_int);
1590 gst_value_lcopy_fraction_range (const GValue * value, guint n_collect_values,
1591 GTypeCValue * collect_values, guint collect_flags)
1594 gint *dest_values[4];
1595 GValue *vals = (GValue *) value->data[0].v_pointer;
1597 if (G_UNLIKELY (n_collect_values != 4))
1598 return g_strdup_printf ("not enough value locations for `%s' passed",
1599 G_VALUE_TYPE_NAME (value));
1601 for (i = 0; i < 4; i++) {
1602 if (G_UNLIKELY (collect_values[i].v_pointer == NULL)) {
1603 return g_strdup_printf ("value location for `%s' passed as NULL",
1604 G_VALUE_TYPE_NAME (value));
1606 dest_values[i] = collect_values[i].v_pointer;
1609 if (G_UNLIKELY (vals == NULL)) {
1610 return g_strdup_printf ("Uninitialised `%s' passed",
1611 G_VALUE_TYPE_NAME (value));
1614 dest_values[0][0] = gst_value_get_fraction_numerator (&vals[0]);
1615 dest_values[1][0] = gst_value_get_fraction_denominator (&vals[0]);
1616 dest_values[2][0] = gst_value_get_fraction_numerator (&vals[1]);
1617 dest_values[3][0] = gst_value_get_fraction_denominator (&vals[1]);
1622 * gst_value_set_fraction_range:
1623 * @value: a GValue initialized to GST_TYPE_FRACTION_RANGE
1624 * @start: the start of the range (a GST_TYPE_FRACTION GValue)
1625 * @end: the end of the range (a GST_TYPE_FRACTION GValue)
1627 * Sets @value to the range specified by @start and @end.
1630 gst_value_set_fraction_range (GValue * value, const GValue * start,
1635 g_return_if_fail (GST_VALUE_HOLDS_FRACTION_RANGE (value));
1636 g_return_if_fail (GST_VALUE_HOLDS_FRACTION (start));
1637 g_return_if_fail (GST_VALUE_HOLDS_FRACTION (end));
1638 g_return_if_fail (gst_util_fraction_compare (start->data[0].v_int,
1639 start->data[1].v_int, end->data[0].v_int, end->data[1].v_int) < 0);
1641 vals = (GValue *) value->data[0].v_pointer;
1643 gst_value_init_fraction_range (value);
1644 vals = value->data[0].v_pointer;
1646 g_value_copy (start, &vals[0]);
1647 g_value_copy (end, &vals[1]);
1651 * gst_value_set_fraction_range_full:
1652 * @value: a GValue initialized to GST_TYPE_FRACTION_RANGE
1653 * @numerator_start: the numerator start of the range
1654 * @denominator_start: the denominator start of the range
1655 * @numerator_end: the numerator end of the range
1656 * @denominator_end: the denominator end of the range
1658 * Sets @value to the range specified by @numerator_start/@denominator_start
1659 * and @numerator_end/@denominator_end.
1662 gst_value_set_fraction_range_full (GValue * value,
1663 gint numerator_start, gint denominator_start,
1664 gint numerator_end, gint denominator_end)
1666 GValue start = { 0 };
1669 g_return_if_fail (value != NULL);
1670 g_return_if_fail (denominator_start != 0);
1671 g_return_if_fail (denominator_end != 0);
1672 g_return_if_fail (gst_util_fraction_compare (numerator_start,
1673 denominator_start, numerator_end, denominator_end) < 0);
1675 g_value_init (&start, GST_TYPE_FRACTION);
1676 g_value_init (&end, GST_TYPE_FRACTION);
1678 gst_value_set_fraction (&start, numerator_start, denominator_start);
1679 gst_value_set_fraction (&end, numerator_end, denominator_end);
1680 gst_value_set_fraction_range (value, &start, &end);
1682 /* we know the two values contain fractions without internal allocs */
1683 /* g_value_unset (&start); */
1684 /* g_value_unset (&end); */
1688 * gst_value_get_fraction_range_min:
1689 * @value: a GValue initialized to GST_TYPE_FRACTION_RANGE
1691 * Gets the minimum of the range specified by @value.
1693 * Returns: the minimum of the range
1696 gst_value_get_fraction_range_min (const GValue * value)
1700 g_return_val_if_fail (GST_VALUE_HOLDS_FRACTION_RANGE (value), NULL);
1702 vals = (GValue *) value->data[0].v_pointer;
1711 * gst_value_get_fraction_range_max:
1712 * @value: a GValue initialized to GST_TYPE_FRACTION_RANGE
1714 * Gets the maximum of the range specified by @value.
1716 * Returns: the maximum of the range
1719 gst_value_get_fraction_range_max (const GValue * value)
1723 g_return_val_if_fail (GST_VALUE_HOLDS_FRACTION_RANGE (value), NULL);
1725 vals = (GValue *) value->data[0].v_pointer;
1734 gst_value_serialize_fraction_range (const GValue * value)
1736 GValue *vals = (GValue *) value->data[0].v_pointer;
1740 retval = g_strdup ("[ 0/1, 0/1 ]");
1744 start = gst_value_serialize_fraction (&vals[0]);
1745 end = gst_value_serialize_fraction (&vals[1]);
1747 retval = g_strdup_printf ("[ %s, %s ]", start, end);
1756 gst_value_transform_fraction_range_string (const GValue * src_value,
1757 GValue * dest_value)
1759 dest_value->data[0].v_pointer =
1760 gst_value_serialize_fraction_range (src_value);
1764 gst_value_compare_fraction_range (const GValue * value1, const GValue * value2)
1766 GValue *vals1, *vals2;
1767 GstValueCompareFunc compare;
1769 if (value2->data[0].v_pointer == value1->data[0].v_pointer)
1770 return GST_VALUE_EQUAL; /* Only possible if both are NULL */
1772 if (value2->data[0].v_pointer == NULL || value1->data[0].v_pointer == NULL)
1773 return GST_VALUE_UNORDERED;
1775 vals1 = (GValue *) value1->data[0].v_pointer;
1776 vals2 = (GValue *) value2->data[0].v_pointer;
1777 if ((compare = gst_value_get_compare_func (&vals1[0]))) {
1778 if (gst_value_compare_with_func (&vals1[0], &vals2[0], compare) ==
1780 gst_value_compare_with_func (&vals1[1], &vals2[1], compare) ==
1782 return GST_VALUE_EQUAL;
1784 return GST_VALUE_UNORDERED;
1788 gst_value_deserialize_fraction_range (GValue * dest, const gchar * s)
1790 g_warning ("unimplemented");
1799 * gst_value_set_caps:
1800 * @value: a GValue initialized to GST_TYPE_CAPS
1801 * @caps: (transfer none): the caps to set the value to
1803 * Sets the contents of @value to @caps. A reference to the
1804 * provided @caps will be taken by the @value.
1807 gst_value_set_caps (GValue * value, const GstCaps * caps)
1809 g_return_if_fail (G_IS_VALUE (value));
1810 g_return_if_fail (G_VALUE_TYPE (value) == GST_TYPE_CAPS);
1811 g_return_if_fail (caps == NULL || GST_IS_CAPS (caps));
1813 g_value_set_boxed (value, caps);
1817 * gst_value_get_caps:
1818 * @value: a GValue initialized to GST_TYPE_CAPS
1820 * Gets the contents of @value. The reference count of the returned
1821 * #GstCaps will not be modified, therefore the caller must take one
1822 * before getting rid of the @value.
1824 * Returns: (transfer none): the contents of @value
1827 gst_value_get_caps (const GValue * value)
1829 g_return_val_if_fail (G_IS_VALUE (value), NULL);
1830 g_return_val_if_fail (G_VALUE_TYPE (value) == GST_TYPE_CAPS, NULL);
1832 return (GstCaps *) g_value_get_boxed (value);
1836 gst_value_serialize_caps (const GValue * value)
1838 GstCaps *caps = g_value_get_boxed (value);
1840 return gst_caps_to_string (caps);
1844 gst_value_deserialize_caps (GValue * dest, const gchar * s)
1848 caps = gst_caps_from_string (s);
1851 g_value_take_boxed (dest, caps);
1862 gst_value_serialize_segment_internal (const GValue * value, gboolean escape)
1864 GstSegment *seg = g_value_get_boxed (value);
1868 s = gst_structure_new ("GstSegment",
1869 "flags", GST_TYPE_SEGMENT_FLAGS, seg->flags,
1870 "rate", G_TYPE_DOUBLE, seg->rate,
1871 "applied-rate", G_TYPE_DOUBLE, seg->applied_rate,
1872 "format", GST_TYPE_FORMAT, seg->format,
1873 "base", G_TYPE_UINT64, seg->base,
1874 "offset", G_TYPE_UINT64, seg->offset,
1875 "start", G_TYPE_UINT64, seg->start,
1876 "stop", G_TYPE_UINT64, seg->stop,
1877 "time", G_TYPE_UINT64, seg->time,
1878 "position", G_TYPE_UINT64, seg->position,
1879 "duration", G_TYPE_UINT64, seg->duration, NULL);
1880 t = gst_structure_to_string (s);
1882 res = g_strdup_printf ("\"%s\"", t);
1887 gst_structure_free (s);
1893 gst_value_serialize_segment (const GValue * value)
1895 return gst_value_serialize_segment_internal (value, TRUE);
1899 gst_value_deserialize_segment (GValue * dest, const gchar * s)
1905 str = gst_structure_from_string (s, NULL);
1909 res = gst_structure_get (str,
1910 "flags", GST_TYPE_SEGMENT_FLAGS, &seg.flags,
1911 "rate", G_TYPE_DOUBLE, &seg.rate,
1912 "applied-rate", G_TYPE_DOUBLE, &seg.applied_rate,
1913 "format", GST_TYPE_FORMAT, &seg.format,
1914 "base", G_TYPE_UINT64, &seg.base,
1915 "offset", G_TYPE_UINT64, &seg.offset,
1916 "start", G_TYPE_UINT64, &seg.start,
1917 "stop", G_TYPE_UINT64, &seg.stop,
1918 "time", G_TYPE_UINT64, &seg.time,
1919 "position", G_TYPE_UINT64, &seg.position,
1920 "duration", G_TYPE_UINT64, &seg.duration, NULL);
1921 gst_structure_free (str);
1924 g_value_set_boxed (dest, &seg);
1934 * gst_value_set_structure:
1935 * @value: a GValue initialized to GST_TYPE_STRUCTURE
1936 * @structure: the structure to set the value to
1938 * Sets the contents of @value to @structure. The actual
1941 gst_value_set_structure (GValue * value, const GstStructure * structure)
1943 g_return_if_fail (G_IS_VALUE (value));
1944 g_return_if_fail (G_VALUE_TYPE (value) == GST_TYPE_STRUCTURE);
1945 g_return_if_fail (structure == NULL || GST_IS_STRUCTURE (structure));
1947 g_value_set_boxed (value, structure);
1951 * gst_value_get_structure:
1952 * @value: a GValue initialized to GST_TYPE_STRUCTURE
1954 * Gets the contents of @value.
1956 * Returns: (transfer none): the contents of @value
1958 const GstStructure *
1959 gst_value_get_structure (const GValue * value)
1961 g_return_val_if_fail (G_IS_VALUE (value), NULL);
1962 g_return_val_if_fail (G_VALUE_TYPE (value) == GST_TYPE_STRUCTURE, NULL);
1964 return (GstStructure *) g_value_get_boxed (value);
1968 gst_value_serialize_structure (const GValue * value)
1970 GstStructure *structure = g_value_get_boxed (value);
1972 return gst_string_take_and_wrap (gst_structure_to_string (structure));
1976 gst_value_deserialize_structure (GValue * dest, const gchar * s)
1978 GstStructure *structure;
1981 structure = gst_structure_from_string (s, NULL);
1983 gchar *str = gst_string_unwrap (s);
1985 if (G_UNLIKELY (!str))
1988 structure = gst_structure_from_string (str, NULL);
1992 if (G_LIKELY (structure)) {
1993 g_value_take_boxed (dest, structure);
1999 /*******************
2001 *******************/
2004 * gst_value_set_caps_features:
2005 * @value: a GValue initialized to GST_TYPE_CAPS_FEATURES
2006 * @features: the features to set the value to
2008 * Sets the contents of @value to @features.
2011 gst_value_set_caps_features (GValue * value, const GstCapsFeatures * features)
2013 g_return_if_fail (G_IS_VALUE (value));
2014 g_return_if_fail (G_VALUE_TYPE (value) == GST_TYPE_CAPS_FEATURES);
2015 g_return_if_fail (features == NULL || GST_IS_CAPS_FEATURES (features));
2017 g_value_set_boxed (value, features);
2021 * gst_value_get_caps_features:
2022 * @value: a GValue initialized to GST_TYPE_CAPS_FEATURES
2024 * Gets the contents of @value.
2026 * Returns: (transfer none): the contents of @value
2028 const GstCapsFeatures *
2029 gst_value_get_caps_features (const GValue * value)
2031 g_return_val_if_fail (G_IS_VALUE (value), NULL);
2032 g_return_val_if_fail (G_VALUE_TYPE (value) == GST_TYPE_CAPS_FEATURES, NULL);
2034 return (GstCapsFeatures *) g_value_get_boxed (value);
2038 gst_value_serialize_caps_features (const GValue * value)
2040 GstCapsFeatures *features = g_value_get_boxed (value);
2042 return gst_string_take_and_wrap (gst_caps_features_to_string (features));
2046 gst_value_deserialize_caps_features (GValue * dest, const gchar * s)
2048 GstCapsFeatures *features;
2051 features = gst_caps_features_from_string (s);
2053 gchar *str = gst_string_unwrap (s);
2055 if (G_UNLIKELY (!str))
2058 features = gst_caps_features_from_string (str);
2062 if (G_LIKELY (features)) {
2063 g_value_take_boxed (dest, features);
2074 gst_value_deserialize_tag_list (GValue * dest, const gchar * s)
2076 GstTagList *taglist;
2079 taglist = gst_tag_list_new_from_string (s);
2081 gchar *str = gst_string_unwrap (s);
2083 if (G_UNLIKELY (!str))
2086 taglist = gst_tag_list_new_from_string (str);
2090 if (G_LIKELY (taglist != NULL)) {
2091 g_value_take_boxed (dest, taglist);
2098 gst_value_serialize_tag_list (const GValue * value)
2100 GstTagList *taglist = g_value_get_boxed (value);
2102 return gst_string_take_and_wrap (gst_tag_list_to_string (taglist));
2111 compare_buffer (GstBuffer * buf1, GstBuffer * buf2)
2114 GstMapInfo info1, info2;
2118 return GST_VALUE_EQUAL;
2120 size1 = gst_buffer_get_size (buf1);
2121 size2 = gst_buffer_get_size (buf2);
2124 return GST_VALUE_UNORDERED;
2127 return GST_VALUE_EQUAL;
2129 if (!gst_buffer_map (buf1, &info1, GST_MAP_READ))
2130 return GST_VALUE_UNORDERED;
2132 if (!gst_buffer_map (buf2, &info2, GST_MAP_READ)) {
2133 gst_buffer_unmap (buf1, &info1);
2134 return GST_VALUE_UNORDERED;
2137 mret = memcmp (info1.data, info2.data, info1.size);
2139 result = GST_VALUE_EQUAL;
2141 result = GST_VALUE_LESS_THAN;
2143 result = GST_VALUE_GREATER_THAN;
2145 gst_buffer_unmap (buf1, &info1);
2146 gst_buffer_unmap (buf2, &info2);
2152 gst_value_compare_buffer (const GValue * value1, const GValue * value2)
2154 GstBuffer *buf1 = gst_value_get_buffer (value1);
2155 GstBuffer *buf2 = gst_value_get_buffer (value2);
2157 return compare_buffer (buf1, buf2);
2161 gst_value_serialize_buffer (const GValue * value)
2169 buffer = gst_value_get_buffer (value);
2173 if (!gst_buffer_map (buffer, &info, GST_MAP_READ))
2178 string = g_malloc (info.size * 2 + 1);
2179 for (i = 0; i < info.size; i++) {
2180 sprintf (string + i * 2, "%02x", data[i]);
2182 string[info.size * 2] = 0;
2184 gst_buffer_unmap (buffer, &info);
2190 gst_value_deserialize_buffer (GValue * dest, const gchar * s)
2203 buffer = gst_buffer_new_allocate (NULL, len / 2, NULL);
2204 if (!gst_buffer_map (buffer, &info, GST_MAP_WRITE))
2208 for (i = 0; i < len / 2; i++) {
2209 if (!isxdigit ((int) s[i * 2]) || !isxdigit ((int) s[i * 2 + 1]))
2212 ts[0] = s[i * 2 + 0];
2213 ts[1] = s[i * 2 + 1];
2216 data[i] = (guint8) strtoul (ts, NULL, 16);
2218 gst_buffer_unmap (buffer, &info);
2220 gst_value_take_buffer (dest, buffer);
2235 gst_buffer_unref (buffer);
2236 gst_buffer_unmap (buffer, &info);
2245 /* This function is mostly used for comparing image/buffer tags in taglists */
2247 gst_value_compare_sample (const GValue * value1, const GValue * value2)
2249 GstBuffer *buf1 = gst_sample_get_buffer (gst_value_get_sample (value1));
2250 GstBuffer *buf2 = gst_sample_get_buffer (gst_value_get_sample (value2));
2252 /* FIXME: should we take into account anything else such as caps? */
2253 return compare_buffer (buf1, buf2);
2257 gst_value_serialize_sample (const GValue * value)
2259 const GstStructure *info_structure;
2260 GstSegment *segment;
2264 GValue val = { 0, };
2265 gchar *info_str, *caps_str, *tmp;
2266 gchar *buf_str, *seg_str, *s;
2268 sample = g_value_get_boxed (value);
2270 buffer = gst_sample_get_buffer (sample);
2272 g_value_init (&val, GST_TYPE_BUFFER);
2273 g_value_set_boxed (&val, buffer);
2274 buf_str = gst_value_serialize_buffer (&val);
2275 g_value_unset (&val);
2277 buf_str = g_strdup ("None");
2280 caps = gst_sample_get_caps (sample);
2282 tmp = gst_caps_to_string (caps);
2283 caps_str = g_base64_encode ((guchar *) tmp, strlen (tmp) + 1);
2284 g_strdelimit (caps_str, "=", '_');
2287 caps_str = g_strdup ("None");
2290 segment = gst_sample_get_segment (sample);
2292 g_value_init (&val, GST_TYPE_SEGMENT);
2293 g_value_set_boxed (&val, segment);
2294 tmp = gst_value_serialize_segment_internal (&val, FALSE);
2295 seg_str = g_base64_encode ((guchar *) tmp, strlen (tmp) + 1);
2296 g_strdelimit (seg_str, "=", '_');
2298 g_value_unset (&val);
2300 seg_str = g_strdup ("None");
2303 info_structure = gst_sample_get_info (sample);
2304 if (info_structure) {
2305 tmp = gst_structure_to_string (info_structure);
2306 info_str = g_base64_encode ((guchar *) tmp, strlen (tmp) + 1);
2307 g_strdelimit (info_str, "=", '_');
2310 info_str = g_strdup ("None");
2313 s = g_strconcat (buf_str, ":", caps_str, ":", seg_str, ":", info_str, NULL);
2323 gst_value_deserialize_sample (GValue * dest, const gchar * s)
2325 GValue bval = G_VALUE_INIT, sval = G_VALUE_INIT;
2329 gboolean ret = FALSE;
2334 GST_TRACE ("deserialize '%s'", s);
2336 fields = g_strsplit (s, ":", -1);
2337 len = g_strv_length (fields);
2341 g_value_init (&bval, GST_TYPE_BUFFER);
2342 g_value_init (&sval, GST_TYPE_SEGMENT);
2344 if (!gst_value_deserialize_buffer (&bval, fields[0]))
2347 if (strcmp (fields[1], "None") != 0) {
2348 g_strdelimit (fields[1], "_", '=');
2349 g_base64_decode_inplace (fields[1], &outlen);
2350 GST_TRACE ("caps : %s", fields[1]);
2351 caps = gst_caps_from_string (fields[1]);
2358 if (strcmp (fields[2], "None") != 0) {
2359 g_strdelimit (fields[2], "_", '=');
2360 g_base64_decode_inplace (fields[2], &outlen);
2361 GST_TRACE ("segment : %s", fields[2]);
2362 if (!gst_value_deserialize_segment (&sval, fields[2]))
2366 if (strcmp (fields[3], "None") != 0) {
2367 g_strdelimit (fields[3], "_", '=');
2368 g_base64_decode_inplace (fields[3], &outlen);
2369 GST_TRACE ("info : %s", fields[3]);
2370 info = gst_structure_from_string (fields[3], NULL);
2377 sample = gst_sample_new (gst_value_get_buffer (&bval), caps,
2378 g_value_get_boxed (&sval), info);
2380 g_value_take_boxed (dest, sample);
2383 gst_caps_unref (caps);
2389 g_value_unset (&bval);
2390 g_value_unset (&sval);
2394 g_strfreev (fields);
2404 gst_value_compare_boolean (const GValue * value1, const GValue * value2)
2406 if ((value1->data[0].v_int != 0) == (value2->data[0].v_int != 0))
2407 return GST_VALUE_EQUAL;
2408 return GST_VALUE_UNORDERED;
2412 gst_value_serialize_boolean (const GValue * value)
2414 if (value->data[0].v_int) {
2415 return g_strdup ("true");
2417 return g_strdup ("false");
2421 gst_value_deserialize_boolean (GValue * dest, const gchar * s)
2423 gboolean ret = FALSE;
2425 if (g_ascii_strcasecmp (s, "true") == 0 ||
2426 g_ascii_strcasecmp (s, "yes") == 0 ||
2427 g_ascii_strcasecmp (s, "t") == 0 || strcmp (s, "1") == 0) {
2428 g_value_set_boolean (dest, TRUE);
2430 } else if (g_ascii_strcasecmp (s, "false") == 0 ||
2431 g_ascii_strcasecmp (s, "no") == 0 ||
2432 g_ascii_strcasecmp (s, "f") == 0 || strcmp (s, "0") == 0) {
2433 g_value_set_boolean (dest, FALSE);
2440 #define CREATE_SERIALIZATION_START(_type,_macro) \
2442 gst_value_compare_ ## _type \
2443 (const GValue * value1, const GValue * value2) \
2445 g ## _type val1 = g_value_get_ ## _type (value1); \
2446 g ## _type val2 = g_value_get_ ## _type (value2); \
2448 return GST_VALUE_GREATER_THAN; \
2450 return GST_VALUE_LESS_THAN; \
2451 return GST_VALUE_EQUAL; \
2455 gst_value_serialize_ ## _type (const GValue * value) \
2457 GValue val = { 0, }; \
2458 g_value_init (&val, G_TYPE_STRING); \
2459 if (!g_value_transform (value, &val)) \
2460 g_assert_not_reached (); \
2461 /* NO_COPY_MADNESS!!! */ \
2462 return (char *) g_value_get_string (&val); \
2465 /* deserialize the given s into to as a gint64.
2466 * check if the result is actually storeable in the given size number of
2470 gst_value_deserialize_int_helper (gint64 * to, const gchar * s,
2471 gint64 min, gint64 max, gint size)
2473 gboolean ret = FALSE;
2478 *to = g_ascii_strtoull (s, &end, 0);
2479 /* a range error is a definitive no-no */
2480 if (errno == ERANGE) {
2487 if (g_ascii_strcasecmp (s, "little_endian") == 0) {
2488 *to = G_LITTLE_ENDIAN;
2490 } else if (g_ascii_strcasecmp (s, "big_endian") == 0) {
2493 } else if (g_ascii_strcasecmp (s, "byte_order") == 0) {
2496 } else if (g_ascii_strcasecmp (s, "min") == 0) {
2499 } else if (g_ascii_strcasecmp (s, "max") == 0) {
2505 /* by definition, a gint64 fits into a gint64; so ignore those */
2506 if (size != sizeof (mask)) {
2508 /* for positive numbers, we create a mask of 1's outside of the range
2509 * and 0's inside the range. An and will thus keep only 1 bits
2510 * outside of the range */
2511 mask <<= (size * 8);
2512 if ((mask & *to) != 0) {
2516 /* for negative numbers, we do a 2's complement version */
2517 mask <<= ((size * 8) - 1);
2518 if ((mask & *to) != mask) {
2527 #define CREATE_SERIALIZATION(_type,_macro) \
2528 CREATE_SERIALIZATION_START(_type,_macro) \
2531 gst_value_deserialize_ ## _type (GValue * dest, const gchar *s) \
2535 if (gst_value_deserialize_int_helper (&x, s, G_MIN ## _macro, \
2536 G_MAX ## _macro, sizeof (g ## _type))) { \
2537 g_value_set_ ## _type (dest, /*(g ## _type)*/ x); \
2544 #define CREATE_USERIALIZATION(_type,_macro) \
2545 CREATE_SERIALIZATION_START(_type,_macro) \
2548 gst_value_deserialize_ ## _type (GValue * dest, const gchar *s) \
2552 gboolean ret = FALSE; \
2555 x = g_ascii_strtoull (s, &end, 0); \
2556 /* a range error is a definitive no-no */ \
2557 if (errno == ERANGE) { \
2560 /* the cast ensures the range check later on makes sense */ \
2561 x = (g ## _type) x; \
2565 if (g_ascii_strcasecmp (s, "little_endian") == 0) { \
2566 x = G_LITTLE_ENDIAN; \
2568 } else if (g_ascii_strcasecmp (s, "big_endian") == 0) { \
2571 } else if (g_ascii_strcasecmp (s, "byte_order") == 0) { \
2574 } else if (g_ascii_strcasecmp (s, "min") == 0) { \
2577 } else if (g_ascii_strcasecmp (s, "max") == 0) { \
2578 x = G_MAX ## _macro; \
2583 if (x > G_MAX ## _macro) { \
2586 g_value_set_ ## _type (dest, x); \
2592 #define REGISTER_SERIALIZATION(_gtype, _type) \
2594 static const GstValueTable gst_value = { \
2596 gst_value_compare_ ## _type, \
2597 gst_value_serialize_ ## _type, \
2598 gst_value_deserialize_ ## _type, \
2601 gst_value_register (&gst_value); \
2604 CREATE_SERIALIZATION (int, INT);
2605 CREATE_SERIALIZATION (int64, INT64);
2606 CREATE_SERIALIZATION (long, LONG);
2608 CREATE_USERIALIZATION (uint, UINT);
2609 CREATE_USERIALIZATION (uint64, UINT64);
2610 CREATE_USERIALIZATION (ulong, ULONG);
2612 /* FIXME 0.11: remove this again, plugins shouldn't have uchar properties */
2614 #define G_MAXUCHAR 255
2616 CREATE_USERIALIZATION (uchar, UCHAR);
2622 gst_value_compare_double (const GValue * value1, const GValue * value2)
2624 if (value1->data[0].v_double > value2->data[0].v_double)
2625 return GST_VALUE_GREATER_THAN;
2626 if (value1->data[0].v_double < value2->data[0].v_double)
2627 return GST_VALUE_LESS_THAN;
2628 if (value1->data[0].v_double == value2->data[0].v_double)
2629 return GST_VALUE_EQUAL;
2630 return GST_VALUE_UNORDERED;
2634 gst_value_serialize_double (const GValue * value)
2636 gchar d[G_ASCII_DTOSTR_BUF_SIZE];
2638 g_ascii_dtostr (d, G_ASCII_DTOSTR_BUF_SIZE, value->data[0].v_double);
2639 return g_strdup (d);
2643 gst_value_deserialize_double (GValue * dest, const gchar * s)
2646 gboolean ret = FALSE;
2649 x = g_ascii_strtod (s, &end);
2653 if (g_ascii_strcasecmp (s, "min") == 0) {
2656 } else if (g_ascii_strcasecmp (s, "max") == 0) {
2662 g_value_set_double (dest, x);
2672 gst_value_compare_float (const GValue * value1, const GValue * value2)
2674 if (value1->data[0].v_float > value2->data[0].v_float)
2675 return GST_VALUE_GREATER_THAN;
2676 if (value1->data[0].v_float < value2->data[0].v_float)
2677 return GST_VALUE_LESS_THAN;
2678 if (value1->data[0].v_float == value2->data[0].v_float)
2679 return GST_VALUE_EQUAL;
2680 return GST_VALUE_UNORDERED;
2684 gst_value_serialize_float (const GValue * value)
2686 gchar d[G_ASCII_DTOSTR_BUF_SIZE];
2688 g_ascii_dtostr (d, G_ASCII_DTOSTR_BUF_SIZE, value->data[0].v_float);
2689 return g_strdup (d);
2693 gst_value_deserialize_float (GValue * dest, const gchar * s)
2696 gboolean ret = FALSE;
2699 x = g_ascii_strtod (s, &end);
2703 if (g_ascii_strcasecmp (s, "min") == 0) {
2706 } else if (g_ascii_strcasecmp (s, "max") == 0) {
2711 if (x > G_MAXFLOAT || x < -G_MAXFLOAT)
2714 g_value_set_float (dest, (float) x);
2724 gst_value_compare_string (const GValue * value1, const GValue * value2)
2726 if (G_UNLIKELY (!value1->data[0].v_pointer || !value2->data[0].v_pointer)) {
2727 /* if only one is NULL, no match - otherwise both NULL == EQUAL */
2728 if (value1->data[0].v_pointer != value2->data[0].v_pointer)
2729 return GST_VALUE_UNORDERED;
2731 gint x = strcmp (value1->data[0].v_pointer, value2->data[0].v_pointer);
2734 return GST_VALUE_LESS_THAN;
2736 return GST_VALUE_GREATER_THAN;
2739 return GST_VALUE_EQUAL;
2743 gst_string_measure_wrapping (const gchar * s)
2746 gboolean wrap = FALSE;
2748 if (G_UNLIKELY (s == NULL))
2751 /* Special case: the actual string NULL needs wrapping */
2752 if (G_UNLIKELY (strcmp (s, "NULL") == 0))
2757 if (GST_ASCII_IS_STRING (*s)) {
2759 } else if (*s < 0x20 || *s >= 0x7f) {
2769 /* Wrap the string if we found something that needs
2770 * wrapping, or the empty string (len == 0) */
2771 return (wrap || len == 0) ? len : -1;
2775 gst_string_wrap_inner (const gchar * s, gint len)
2779 e = d = g_malloc (len + 3);
2783 if (GST_ASCII_IS_STRING (*s)) {
2785 } else if (*s < 0x20 || *s >= 0x7f) {
2787 *e++ = '0' + ((*(guchar *) s) >> 6);
2788 *e++ = '0' + (((*s) >> 3) & 0x7);
2789 *e++ = '0' + ((*s++) & 0x7);
2798 g_assert (e - d <= len + 3);
2802 /* Do string wrapping/escaping */
2804 gst_string_wrap (const gchar * s)
2806 gint len = gst_string_measure_wrapping (s);
2808 if (G_LIKELY (len < 0))
2809 return g_strdup (s);
2811 return gst_string_wrap_inner (s, len);
2814 /* Same as above, but take ownership of the string */
2816 gst_string_take_and_wrap (gchar * s)
2819 gint len = gst_string_measure_wrapping (s);
2821 if (G_LIKELY (len < 0))
2824 out = gst_string_wrap_inner (s, len);
2831 * This function takes a string delimited with double quotes (")
2832 * and unescapes any \xxx octal numbers.
2834 * If sequences of \y are found where y is not in the range of
2835 * 0->3, y is copied unescaped.
2837 * If \xyy is found where x is an octal number but y is not, an
2838 * error is encountered and NULL is returned.
2840 * the input string must be \0 terminated.
2843 gst_string_unwrap (const gchar * s)
2846 gchar *read, *write;
2848 /* NULL string returns NULL */
2852 /* strings not starting with " are invalid */
2856 /* make copy of original string to hold the result. This
2857 * string will always be smaller than the original */
2862 /* need to move to the next position as we parsed the " */
2866 if (GST_ASCII_IS_STRING (*read)) {
2867 /* normal chars are just copied */
2869 } else if (*read == '"') {
2870 /* quote marks end of string */
2872 } else if (*read == '\\') {
2873 /* got an escape char, move to next position to read a tripplet
2874 * of octal numbers */
2876 /* is the next char a possible first octal number? */
2877 if (*read >= '0' && *read <= '3') {
2878 /* parse other 2 numbers, if one of them is not in the range of
2879 * an octal number, we error. We also catch the case where a zero
2880 * byte is found here. */
2881 if (read[1] < '0' || read[1] > '7' || read[2] < '0' || read[2] > '7')
2884 /* now convert the octal number to a byte again. */
2885 *write++ = ((read[0] - '0') << 6) +
2886 ((read[1] - '0') << 3) + (read[2] - '0');
2890 /* if we run into a \0 here, we definitely won't get a quote later */
2894 /* else copy \X sequence */
2898 /* weird character, error */
2902 /* if the string is not ending in " and zero terminated, we error */
2903 if (*read != '"' || read[1] != '\0')
2906 /* null terminate result string and return */
2916 gst_value_serialize_string (const GValue * value)
2918 return gst_string_wrap (value->data[0].v_pointer);
2922 gst_value_deserialize_string (GValue * dest, const gchar * s)
2924 if (G_UNLIKELY (strcmp (s, "NULL") == 0)) {
2925 g_value_set_string (dest, NULL);
2927 } else if (G_LIKELY (*s != '"')) {
2928 if (!g_utf8_validate (s, -1, NULL))
2930 g_value_set_string (dest, s);
2933 gchar *str = gst_string_unwrap (s);
2934 if (G_UNLIKELY (!str))
2936 g_value_take_string (dest, str);
2947 gst_value_compare_enum (const GValue * value1, const GValue * value2)
2949 GEnumValue *en1, *en2;
2950 GEnumClass *klass1 = (GEnumClass *) g_type_class_ref (G_VALUE_TYPE (value1));
2951 GEnumClass *klass2 = (GEnumClass *) g_type_class_ref (G_VALUE_TYPE (value2));
2953 g_return_val_if_fail (klass1, GST_VALUE_UNORDERED);
2954 g_return_val_if_fail (klass2, GST_VALUE_UNORDERED);
2955 en1 = g_enum_get_value (klass1, g_value_get_enum (value1));
2956 en2 = g_enum_get_value (klass2, g_value_get_enum (value2));
2957 g_type_class_unref (klass1);
2958 g_type_class_unref (klass2);
2959 g_return_val_if_fail (en1, GST_VALUE_UNORDERED);
2960 g_return_val_if_fail (en2, GST_VALUE_UNORDERED);
2961 if (en1->value < en2->value)
2962 return GST_VALUE_LESS_THAN;
2963 if (en1->value > en2->value)
2964 return GST_VALUE_GREATER_THAN;
2966 return GST_VALUE_EQUAL;
2970 gst_value_serialize_enum (const GValue * value)
2973 GEnumClass *klass = (GEnumClass *) g_type_class_ref (G_VALUE_TYPE (value));
2975 g_return_val_if_fail (klass, NULL);
2976 en = g_enum_get_value (klass, g_value_get_enum (value));
2977 g_type_class_unref (klass);
2979 /* might be one of the custom formats registered later */
2980 if (G_UNLIKELY (en == NULL && G_VALUE_TYPE (value) == GST_TYPE_FORMAT)) {
2981 const GstFormatDefinition *format_def;
2983 format_def = gst_format_get_details ((GstFormat) g_value_get_enum (value));
2984 g_return_val_if_fail (format_def != NULL, NULL);
2985 return g_strdup (format_def->description);
2988 g_return_val_if_fail (en, NULL);
2989 return g_strdup (en->value_name);
2993 gst_value_deserialize_enum_iter_cmp (const GValue * format_def_value,
2996 const GstFormatDefinition *format_def =
2997 g_value_get_pointer (format_def_value);
2999 if (g_ascii_strcasecmp (s, format_def->nick) == 0)
3002 return g_ascii_strcasecmp (s, format_def->description);
3006 gst_value_deserialize_enum (GValue * dest, const gchar * s)
3009 gchar *endptr = NULL;
3010 GEnumClass *klass = (GEnumClass *) g_type_class_ref (G_VALUE_TYPE (dest));
3012 g_return_val_if_fail (klass, FALSE);
3013 if (!(en = g_enum_get_value_by_name (klass, s))) {
3014 if (!(en = g_enum_get_value_by_nick (klass, s))) {
3015 gint i = strtol (s, &endptr, 0);
3017 if (endptr && *endptr == '\0') {
3018 en = g_enum_get_value (klass, i);
3022 g_type_class_unref (klass);
3024 /* might be one of the custom formats registered later */
3025 if (G_UNLIKELY (en == NULL && G_VALUE_TYPE (dest) == GST_TYPE_FORMAT)) {
3026 GValue res = { 0, };
3027 const GstFormatDefinition *format_def;
3031 iter = gst_format_iterate_definitions ();
3033 found = gst_iterator_find_custom (iter,
3034 (GCompareFunc) gst_value_deserialize_enum_iter_cmp, &res, (gpointer) s);
3036 g_return_val_if_fail (found, FALSE);
3037 format_def = g_value_get_pointer (&res);
3038 g_return_val_if_fail (format_def != NULL, FALSE);
3039 g_value_set_enum (dest, (gint) format_def->value);
3040 g_value_unset (&res);
3041 gst_iterator_free (iter);
3045 g_return_val_if_fail (en, FALSE);
3046 g_value_set_enum (dest, en->value);
3054 /* we just compare the value here */
3056 gst_value_compare_flags (const GValue * value1, const GValue * value2)
3059 GFlagsClass *klass1 =
3060 (GFlagsClass *) g_type_class_ref (G_VALUE_TYPE (value1));
3061 GFlagsClass *klass2 =
3062 (GFlagsClass *) g_type_class_ref (G_VALUE_TYPE (value2));
3064 g_return_val_if_fail (klass1, GST_VALUE_UNORDERED);
3065 g_return_val_if_fail (klass2, GST_VALUE_UNORDERED);
3066 fl1 = g_value_get_flags (value1);
3067 fl2 = g_value_get_flags (value2);
3068 g_type_class_unref (klass1);
3069 g_type_class_unref (klass2);
3071 return GST_VALUE_LESS_THAN;
3073 return GST_VALUE_GREATER_THAN;
3075 return GST_VALUE_EQUAL;
3078 /* the different flags are serialized separated with a + */
3080 gst_value_serialize_flags (const GValue * value)
3084 GFlagsClass *klass = (GFlagsClass *) g_type_class_ref (G_VALUE_TYPE (value));
3085 gchar *result, *tmp;
3086 gboolean first = TRUE;
3088 g_return_val_if_fail (klass, NULL);
3090 flags = g_value_get_flags (value);
3092 /* if no flags are set, try to serialize to the _NONE string */
3094 fl = g_flags_get_first_value (klass, flags);
3096 return g_strdup (fl->value_name);
3098 return g_strdup ("0");
3101 /* some flags are set, so serialize one by one */
3102 result = g_strdup ("");
3104 fl = g_flags_get_first_value (klass, flags);
3106 tmp = g_strconcat (result, (first ? "" : "+"), fl->value_name, NULL);
3112 flags &= ~fl->value;
3115 g_type_class_unref (klass);
3121 gst_value_deserialize_flags (GValue * dest, const gchar * s)
3124 gchar *endptr = NULL;
3125 GFlagsClass *klass = (GFlagsClass *) g_type_class_ref (G_VALUE_TYPE (dest));
3130 g_return_val_if_fail (klass, FALSE);
3132 /* split into parts delimited with + */
3133 split = g_strsplit (s, "+", 0);
3137 /* loop over each part */
3139 if (!(fl = g_flags_get_value_by_name (klass, split[i]))) {
3140 if (!(fl = g_flags_get_value_by_nick (klass, split[i]))) {
3141 gint val = strtol (split[i], &endptr, 0);
3143 /* just or numeric value */
3144 if (endptr && *endptr == '\0') {
3155 g_type_class_unref (klass);
3156 g_value_set_flags (dest, flags);
3166 gst_value_is_subset_int_range_int_range (const GValue * value1,
3167 const GValue * value2)
3171 g_return_val_if_fail (GST_VALUE_HOLDS_INT_RANGE (value1), FALSE);
3172 g_return_val_if_fail (GST_VALUE_HOLDS_INT_RANGE (value2), FALSE);
3174 if (INT_RANGE_MIN (value1) * INT_RANGE_STEP (value1) <
3175 INT_RANGE_MIN (value2) * INT_RANGE_STEP (value2))
3177 if (INT_RANGE_MAX (value1) * INT_RANGE_STEP (value1) >
3178 INT_RANGE_MAX (value2) * INT_RANGE_STEP (value2))
3181 if (INT_RANGE_MIN (value2) == INT_RANGE_MAX (value2)) {
3182 if ((INT_RANGE_MIN (value2) * INT_RANGE_STEP (value2)) %
3183 INT_RANGE_STEP (value1))
3189 gst_util_greatest_common_divisor (INT_RANGE_STEP (value1),
3190 INT_RANGE_STEP (value2));
3191 if (gcd != MIN (INT_RANGE_STEP (value1), INT_RANGE_STEP (value2)))
3198 gst_value_is_subset_int64_range_int64_range (const GValue * value1,
3199 const GValue * value2)
3203 g_return_val_if_fail (GST_VALUE_HOLDS_INT64_RANGE (value1), FALSE);
3204 g_return_val_if_fail (GST_VALUE_HOLDS_INT64_RANGE (value2), FALSE);
3206 if (INT64_RANGE_MIN (value1) < INT64_RANGE_MIN (value2))
3208 if (INT64_RANGE_MAX (value1) > INT64_RANGE_MAX (value2))
3211 if (INT64_RANGE_MIN (value2) == INT64_RANGE_MAX (value2)) {
3212 if ((INT64_RANGE_MIN (value2) * INT64_RANGE_STEP (value2)) %
3213 INT64_RANGE_STEP (value1))
3219 gst_util_greatest_common_divisor_int64 (INT64_RANGE_STEP (value1),
3220 INT64_RANGE_STEP (value2));
3221 if (gcd != MIN (INT64_RANGE_STEP (value1), INT64_RANGE_STEP (value2)))
3228 * gst_value_is_subset:
3229 * @value1: a #GValue
3230 * @value2: a #GValue
3232 * Check that @value1 is a subset of @value2.
3234 * Return: %TRUE is @value1 is a subset of @value2
3237 gst_value_is_subset (const GValue * value1, const GValue * value2)
3239 /* special case for int/int64 ranges, since we cannot compute
3240 the difference for those when they have different steps,
3241 and it's actually a lot simpler to compute whether a range
3242 is a subset of another. */
3243 if (GST_VALUE_HOLDS_INT_RANGE (value1) && GST_VALUE_HOLDS_INT_RANGE (value2)) {
3244 return gst_value_is_subset_int_range_int_range (value1, value2);
3245 } else if (GST_VALUE_HOLDS_INT64_RANGE (value1)
3246 && GST_VALUE_HOLDS_INT64_RANGE (value2)) {
3247 return gst_value_is_subset_int64_range_int64_range (value1, value2);
3255 * -> 1 - [1,2] = empty
3259 * -> [1,2] - [1,3] = empty
3263 * -> {1,3} - {1,2} = 3
3266 * First caps subtraction needs to return a non-empty set, second
3267 * subtractions needs to give en empty set.
3268 * Both substractions are switched below, as it's faster that way.
3270 if (!gst_value_subtract (NULL, value1, value2)) {
3271 if (gst_value_subtract (NULL, value2, value1)) {
3283 gst_value_union_int_int_range (GValue * dest, const GValue * src1,
3284 const GValue * src2)
3286 gint v = src1->data[0].v_int;
3288 /* check if it's already in the range */
3289 if (INT_RANGE_MIN (src2) * INT_RANGE_STEP (src2) <= v &&
3290 INT_RANGE_MAX (src2) * INT_RANGE_STEP (src2) >= v &&
3291 v % INT_RANGE_STEP (src2) == 0) {
3293 gst_value_init_and_copy (dest, src2);
3297 /* check if it extends the range */
3298 if (v == (INT_RANGE_MIN (src2) - 1) * INT_RANGE_STEP (src2)) {
3300 gst_value_init_and_copy (dest, src2);
3301 --INT_RANGE_MIN (src2);
3305 if (v == (INT_RANGE_MAX (src2) + 1) * INT_RANGE_STEP (src2)) {
3307 gst_value_init_and_copy (dest, src2);
3308 ++INT_RANGE_MAX (src2);
3317 gst_value_union_int_range_int_range (GValue * dest, const GValue * src1,
3318 const GValue * src2)
3320 /* We can union in several special cases:
3321 1 - one is a subset of another
3322 2 - same step and not disjoint
3323 3 - different step, at least one with one value which matches a 'next' or 'previous'
3328 if (gst_value_is_subset_int_range_int_range (src1, src2)) {
3330 gst_value_init_and_copy (dest, src2);
3333 if (gst_value_is_subset_int_range_int_range (src2, src1)) {
3335 gst_value_init_and_copy (dest, src1);
3339 /* 2 - same step and not disjoint */
3340 if (INT_RANGE_STEP (src1) == INT_RANGE_STEP (src2)) {
3341 if ((INT_RANGE_MIN (src1) <= INT_RANGE_MAX (src2) + 1 &&
3342 INT_RANGE_MAX (src1) >= INT_RANGE_MIN (src2) - 1) ||
3343 (INT_RANGE_MIN (src2) <= INT_RANGE_MAX (src1) + 1 &&
3344 INT_RANGE_MAX (src2) >= INT_RANGE_MIN (src1) - 1)) {
3346 gint step = INT_RANGE_STEP (src1);
3347 gint min = step * MIN (INT_RANGE_MIN (src1), INT_RANGE_MIN (src2));
3348 gint max = step * MAX (INT_RANGE_MAX (src1), INT_RANGE_MAX (src2));
3349 g_value_init (dest, GST_TYPE_INT_RANGE);
3350 gst_value_set_int_range_step (dest, min, max, step);
3356 /* 3 - single value matches next or previous */
3357 if (INT_RANGE_STEP (src1) != INT_RANGE_STEP (src2)) {
3358 gint n1 = INT_RANGE_MAX (src1) - INT_RANGE_MIN (src1) + 1;
3359 gint n2 = INT_RANGE_MAX (src2) - INT_RANGE_MIN (src2) + 1;
3360 if (n1 == 1 || n2 == 1) {
3361 const GValue *range_value = NULL;
3365 scalar = INT_RANGE_MIN (src1) * INT_RANGE_STEP (src1);
3366 } else if (n2 == 1) {
3368 scalar = INT_RANGE_MIN (src2) * INT_RANGE_STEP (src2);
3372 (INT_RANGE_MIN (range_value) - 1) * INT_RANGE_STEP (range_value)) {
3374 gst_value_init_and_copy (dest, range_value);
3375 --INT_RANGE_MIN (range_value);
3378 } else if (scalar ==
3379 (INT_RANGE_MAX (range_value) + 1) * INT_RANGE_STEP (range_value)) {
3381 gst_value_init_and_copy (dest, range_value);
3382 ++INT_RANGE_MIN (range_value);
3389 /* If we get there, we did not find a way to make a union that can be
3390 represented with our simplistic model. */
3399 gst_value_intersect_int_int_range (GValue * dest, const GValue * src1,
3400 const GValue * src2)
3402 if (INT_RANGE_MIN (src2) * INT_RANGE_STEP (src2) <= src1->data[0].v_int &&
3403 INT_RANGE_MAX (src2) * INT_RANGE_STEP (src2) >= src1->data[0].v_int &&
3404 src1->data[0].v_int % INT_RANGE_STEP (src2) == 0) {
3406 gst_value_init_and_copy (dest, src1);
3414 gst_value_intersect_int_range_int_range (GValue * dest, const GValue * src1,
3415 const GValue * src2)
3422 INT_RANGE_STEP (src1) /
3423 gst_util_greatest_common_divisor (INT_RANGE_STEP (src1),
3424 INT_RANGE_STEP (src2));
3425 if (G_MAXINT32 / INT_RANGE_STEP (src2) < step)
3427 step *= INT_RANGE_STEP (src2);
3430 MAX (INT_RANGE_MIN (src1) * INT_RANGE_STEP (src1),
3431 INT_RANGE_MIN (src2) * INT_RANGE_STEP (src2));
3432 min = (min + step - 1) / step * step;
3434 MIN (INT_RANGE_MAX (src1) * INT_RANGE_STEP (src1),
3435 INT_RANGE_MAX (src2) * INT_RANGE_STEP (src2));
3436 max = max / step * step;
3440 g_value_init (dest, GST_TYPE_INT_RANGE);
3441 gst_value_set_int_range_step (dest, min, max, step);
3447 g_value_init (dest, G_TYPE_INT);
3448 g_value_set_int (dest, min);
3456 #define INT64_RANGE_MIN_VAL(v) (INT64_RANGE_MIN (v) * INT64_RANGE_STEP (v))
3457 #define INT64_RANGE_MAX_VAL(v) (INT64_RANGE_MAX (v) * INT64_RANGE_STEP (v))
3460 gst_value_intersect_int64_int64_range (GValue * dest, const GValue * src1,
3461 const GValue * src2)
3463 if (INT64_RANGE_MIN_VAL (src2) <= src1->data[0].v_int64 &&
3464 INT64_RANGE_MAX_VAL (src2) >= src1->data[0].v_int64 &&
3465 src1->data[0].v_int64 % INT64_RANGE_STEP (src2) == 0) {
3467 gst_value_init_and_copy (dest, src1);
3475 gst_value_intersect_int64_range_int64_range (GValue * dest, const GValue * src1,
3476 const GValue * src2)
3483 INT64_RANGE_STEP (src1) /
3484 gst_util_greatest_common_divisor_int64 (INT64_RANGE_STEP (src1),
3485 INT64_RANGE_STEP (src2));
3486 if (G_MAXINT64 / INT64_RANGE_STEP (src2) < step)
3488 step *= INT64_RANGE_STEP (src2);
3491 MAX (INT64_RANGE_MIN (src1) * INT64_RANGE_STEP (src1),
3492 INT64_RANGE_MIN (src2) * INT64_RANGE_STEP (src2));
3493 min = (min + step - 1) / step * step;
3495 MIN (INT64_RANGE_MAX (src1) * INT64_RANGE_STEP (src1),
3496 INT64_RANGE_MAX (src2) * INT64_RANGE_STEP (src2));
3497 max = max / step * step;
3501 g_value_init (dest, GST_TYPE_INT64_RANGE);
3502 gst_value_set_int64_range_step (dest, min, max, step);
3508 g_value_init (dest, G_TYPE_INT64);
3509 g_value_set_int64 (dest, min);
3518 gst_value_intersect_double_double_range (GValue * dest, const GValue * src1,
3519 const GValue * src2)
3521 if (src2->data[0].v_double <= src1->data[0].v_double &&
3522 src2->data[1].v_double >= src1->data[0].v_double) {
3524 gst_value_init_and_copy (dest, src1);
3532 gst_value_intersect_double_range_double_range (GValue * dest,
3533 const GValue * src1, const GValue * src2)
3538 min = MAX (src1->data[0].v_double, src2->data[0].v_double);
3539 max = MIN (src1->data[1].v_double, src2->data[1].v_double);
3543 g_value_init (dest, GST_TYPE_DOUBLE_RANGE);
3544 gst_value_set_double_range (dest, min, max);
3550 g_value_init (dest, G_TYPE_DOUBLE);
3551 g_value_set_int (dest, (int) min);
3560 gst_value_intersect_list (GValue * dest, const GValue * value1,
3561 const GValue * value2)
3564 GValue intersection = { 0, };
3565 gboolean ret = FALSE;
3567 size = VALUE_LIST_SIZE (value1);
3568 for (i = 0; i < size; i++) {
3569 const GValue *cur = VALUE_LIST_GET_VALUE (value1, i);
3571 /* quicker version when we don't need the resulting set */
3573 if (gst_value_intersect (NULL, cur, value2)) {
3580 if (gst_value_intersect (&intersection, cur, value2)) {
3583 gst_value_move (dest, &intersection);
3585 } else if (GST_VALUE_HOLDS_LIST (dest)) {
3586 gst_value_list_append_and_take_value (dest, &intersection);
3590 gst_value_move (&temp, dest);
3591 gst_value_list_merge (dest, &temp, &intersection);
3592 g_value_unset (&temp);
3593 g_value_unset (&intersection);
3602 gst_value_intersect_array (GValue * dest, const GValue * src1,
3603 const GValue * src2)
3609 /* only works on similar-sized arrays */
3610 size = gst_value_array_get_size (src1);
3611 if (size != gst_value_array_get_size (src2))
3614 /* quicker value when we don't need the resulting set */
3616 for (n = 0; n < size; n++) {
3617 if (!gst_value_intersect (NULL, gst_value_array_get_value (src1, n),
3618 gst_value_array_get_value (src2, n))) {
3625 g_value_init (dest, GST_TYPE_ARRAY);
3627 for (n = 0; n < size; n++) {
3628 if (!gst_value_intersect (&val, gst_value_array_get_value (src1, n),
3629 gst_value_array_get_value (src2, n))) {
3630 g_value_unset (dest);
3633 gst_value_array_append_and_take_value (dest, &val);
3640 gst_value_intersect_fraction_fraction_range (GValue * dest, const GValue * src1,
3641 const GValue * src2)
3645 GstValueCompareFunc compare;
3647 vals = src2->data[0].v_pointer;
3652 if ((compare = gst_value_get_compare_func (src1))) {
3653 res1 = gst_value_compare_with_func (&vals[0], src1, compare);
3654 res2 = gst_value_compare_with_func (&vals[1], src1, compare);
3656 if ((res1 == GST_VALUE_EQUAL || res1 == GST_VALUE_LESS_THAN) &&
3657 (res2 == GST_VALUE_EQUAL || res2 == GST_VALUE_GREATER_THAN)) {
3659 gst_value_init_and_copy (dest, src1);
3668 gst_value_intersect_fraction_range_fraction_range (GValue * dest,
3669 const GValue * src1, const GValue * src2)
3674 GValue *vals1, *vals2;
3675 GstValueCompareFunc compare;
3677 vals1 = src1->data[0].v_pointer;
3678 vals2 = src2->data[0].v_pointer;
3679 g_return_val_if_fail (vals1 != NULL && vals2 != NULL, FALSE);
3681 if ((compare = gst_value_get_compare_func (&vals1[0]))) {
3682 /* min = MAX (src1.start, src2.start) */
3683 res = gst_value_compare_with_func (&vals1[0], &vals2[0], compare);
3684 g_return_val_if_fail (res != GST_VALUE_UNORDERED, FALSE);
3685 if (res == GST_VALUE_LESS_THAN)
3686 min = &vals2[0]; /* Take the max of the 2 */
3690 /* max = MIN (src1.end, src2.end) */
3691 res = gst_value_compare_with_func (&vals1[1], &vals2[1], compare);
3692 g_return_val_if_fail (res != GST_VALUE_UNORDERED, FALSE);
3693 if (res == GST_VALUE_GREATER_THAN)
3694 max = &vals2[1]; /* Take the min of the 2 */
3698 res = gst_value_compare_with_func (min, max, compare);
3699 g_return_val_if_fail (res != GST_VALUE_UNORDERED, FALSE);
3700 if (res == GST_VALUE_LESS_THAN) {
3702 g_value_init (dest, GST_TYPE_FRACTION_RANGE);
3703 vals1 = dest->data[0].v_pointer;
3704 g_value_copy (min, &vals1[0]);
3705 g_value_copy (max, &vals1[1]);
3709 if (res == GST_VALUE_EQUAL) {
3711 gst_value_init_and_copy (dest, min);
3724 gst_value_subtract_int_int_range (GValue * dest, const GValue * minuend,
3725 const GValue * subtrahend)
3727 gint min = gst_value_get_int_range_min (subtrahend);
3728 gint max = gst_value_get_int_range_max (subtrahend);
3729 gint step = gst_value_get_int_range_step (subtrahend);
3730 gint val = g_value_get_int (minuend);
3732 /* subtracting a range from an int only works if the int is not in the
3734 if (val < min || val > max || val % step) {
3735 /* and the result is the int */
3737 gst_value_init_and_copy (dest, minuend);
3743 /* creates a new int range based on input values.
3746 gst_value_create_new_range (GValue * dest, gint min1, gint max1, gint min2,
3747 gint max2, gint step)
3751 GValue *pv1, *pv2; /* yeah, hungarian! */
3753 g_return_val_if_fail (step > 0, FALSE);
3754 g_return_val_if_fail (min1 % step == 0, FALSE);
3755 g_return_val_if_fail (max1 % step == 0, FALSE);
3756 g_return_val_if_fail (min2 % step == 0, FALSE);
3757 g_return_val_if_fail (max2 % step == 0, FALSE);
3759 if (min1 <= max1 && min2 <= max2) {
3762 } else if (min1 <= max1) {
3765 } else if (min2 <= max2) {
3776 g_value_init (pv1, GST_TYPE_INT_RANGE);
3777 gst_value_set_int_range_step (pv1, min1, max1, step);
3778 } else if (min1 == max1) {
3779 g_value_init (pv1, G_TYPE_INT);
3780 g_value_set_int (pv1, min1);
3783 g_value_init (pv2, GST_TYPE_INT_RANGE);
3784 gst_value_set_int_range_step (pv2, min2, max2, step);
3785 } else if (min2 == max2) {
3786 g_value_init (pv2, G_TYPE_INT);
3787 g_value_set_int (pv2, min2);
3790 if (min1 <= max1 && min2 <= max2) {
3791 gst_value_list_concat (dest, pv1, pv2);
3792 g_value_unset (pv1);
3793 g_value_unset (pv2);
3799 gst_value_subtract_int_range_int (GValue * dest, const GValue * minuend,
3800 const GValue * subtrahend)
3802 gint min = gst_value_get_int_range_min (minuend);
3803 gint max = gst_value_get_int_range_max (minuend);
3804 gint step = gst_value_get_int_range_step (minuend);
3805 gint val = g_value_get_int (subtrahend);
3807 g_return_val_if_fail (min < max, FALSE);
3809 /* value is outside of the range, return range unchanged */
3810 if (val < min || val > max || val % step) {
3812 gst_value_init_and_copy (dest, minuend);
3815 /* max must be MAXINT too as val <= max */
3816 if (val >= G_MAXINT - step + 1) {
3820 /* min must be MININT too as val >= max */
3821 if (val <= G_MININT + step - 1) {
3826 gst_value_create_new_range (dest, min, val - step, val + step, max, step);
3832 gst_value_subtract_int_range_int_range (GValue * dest, const GValue * minuend,
3833 const GValue * subtrahend)
3835 gint min1 = gst_value_get_int_range_min (minuend);
3836 gint max1 = gst_value_get_int_range_max (minuend);
3837 gint step1 = gst_value_get_int_range_step (minuend);
3838 gint min2 = gst_value_get_int_range_min (subtrahend);
3839 gint max2 = gst_value_get_int_range_max (subtrahend);
3840 gint step2 = gst_value_get_int_range_step (subtrahend);
3843 if (step1 != step2) {
3850 if (max2 >= max1 && min2 <= min1) {
3852 } else if (max2 >= max1) {
3853 return gst_value_create_new_range (dest, min1, MIN (min2 - step, max1),
3855 } else if (min2 <= min1) {
3856 return gst_value_create_new_range (dest, MAX (max2 + step, min1), max1,
3859 return gst_value_create_new_range (dest, min1, MIN (min2 - step, max1),
3860 MAX (max2 + step, min1), max1, step);
3865 gst_value_subtract_int64_int64_range (GValue * dest, const GValue * minuend,
3866 const GValue * subtrahend)
3868 gint64 min = gst_value_get_int64_range_min (subtrahend);
3869 gint64 max = gst_value_get_int64_range_max (subtrahend);
3870 gint64 step = gst_value_get_int64_range_step (subtrahend);
3871 gint64 val = g_value_get_int64 (minuend);
3873 /* subtracting a range from an int64 only works if the int64 is not in the
3875 if (val < min || val > max || val % step) {
3876 /* and the result is the int64 */
3878 gst_value_init_and_copy (dest, minuend);
3884 /* creates a new int64 range based on input values.
3887 gst_value_create_new_int64_range (GValue * dest, gint64 min1, gint64 max1,
3888 gint64 min2, gint64 max2, gint64 step)
3892 GValue *pv1, *pv2; /* yeah, hungarian! */
3894 g_return_val_if_fail (step > 0, FALSE);
3895 g_return_val_if_fail (min1 % step == 0, FALSE);
3896 g_return_val_if_fail (max1 % step == 0, FALSE);
3897 g_return_val_if_fail (min2 % step == 0, FALSE);
3898 g_return_val_if_fail (max2 % step == 0, FALSE);
3900 if (min1 <= max1 && min2 <= max2) {
3903 } else if (min1 <= max1) {
3906 } else if (min2 <= max2) {
3917 g_value_init (pv1, GST_TYPE_INT64_RANGE);
3918 gst_value_set_int64_range_step (pv1, min1, max1, step);
3919 } else if (min1 == max1) {
3920 g_value_init (pv1, G_TYPE_INT64);
3921 g_value_set_int64 (pv1, min1);
3924 g_value_init (pv2, GST_TYPE_INT64_RANGE);
3925 gst_value_set_int64_range_step (pv2, min2, max2, step);
3926 } else if (min2 == max2) {
3927 g_value_init (pv2, G_TYPE_INT64);
3928 g_value_set_int64 (pv2, min2);
3931 if (min1 <= max1 && min2 <= max2) {
3932 gst_value_list_concat (dest, pv1, pv2);
3933 g_value_unset (pv1);
3934 g_value_unset (pv2);
3940 gst_value_subtract_int64_range_int64 (GValue * dest, const GValue * minuend,
3941 const GValue * subtrahend)
3943 gint64 min = gst_value_get_int64_range_min (minuend);
3944 gint64 max = gst_value_get_int64_range_max (minuend);
3945 gint64 step = gst_value_get_int64_range_step (minuend);
3946 gint64 val = g_value_get_int64 (subtrahend);
3948 g_return_val_if_fail (min < max, FALSE);
3950 /* value is outside of the range, return range unchanged */
3951 if (val < min || val > max || val % step) {
3953 gst_value_init_and_copy (dest, minuend);
3956 /* max must be MAXINT64 too as val <= max */
3957 if (val >= G_MAXINT64 - step + 1) {
3961 /* min must be MININT64 too as val >= max */
3962 if (val <= G_MININT64 + step - 1) {
3967 gst_value_create_new_int64_range (dest, min, val - step, val + step, max,
3974 gst_value_subtract_int64_range_int64_range (GValue * dest,
3975 const GValue * minuend, const GValue * subtrahend)
3977 gint64 min1 = gst_value_get_int64_range_min (minuend);
3978 gint64 max1 = gst_value_get_int64_range_max (minuend);
3979 gint64 step1 = gst_value_get_int64_range_step (minuend);
3980 gint64 min2 = gst_value_get_int64_range_min (subtrahend);
3981 gint64 max2 = gst_value_get_int64_range_max (subtrahend);
3982 gint64 step2 = gst_value_get_int64_range_step (subtrahend);
3985 if (step1 != step2) {
3992 if (max2 >= max1 && min2 <= min1) {
3994 } else if (max2 >= max1) {
3995 return gst_value_create_new_int64_range (dest, min1, MIN (min2 - step,
3996 max1), step, 0, step);
3997 } else if (min2 <= min1) {
3998 return gst_value_create_new_int64_range (dest, MAX (max2 + step, min1),
3999 max1, step, 0, step);
4001 return gst_value_create_new_int64_range (dest, min1, MIN (min2 - step,
4002 max1), MAX (max2 + step, min1), max1, step);
4007 gst_value_subtract_double_double_range (GValue * dest, const GValue * minuend,
4008 const GValue * subtrahend)
4010 gdouble min = gst_value_get_double_range_min (subtrahend);
4011 gdouble max = gst_value_get_double_range_max (subtrahend);
4012 gdouble val = g_value_get_double (minuend);
4014 if (val < min || val > max) {
4016 gst_value_init_and_copy (dest, minuend);
4023 gst_value_subtract_double_range_double (GValue * dest, const GValue * minuend,
4024 const GValue * subtrahend)
4026 /* since we don't have open ranges, we cannot create a hole in
4027 * a double range. We return the original range */
4029 gst_value_init_and_copy (dest, minuend);
4034 gst_value_subtract_double_range_double_range (GValue * dest,
4035 const GValue * minuend, const GValue * subtrahend)
4037 /* since we don't have open ranges, we have to approximate */
4038 /* done like with ints */
4039 gdouble min1 = gst_value_get_double_range_min (minuend);
4040 gdouble max2 = gst_value_get_double_range_max (minuend);
4041 gdouble max1 = MIN (gst_value_get_double_range_min (subtrahend), max2);
4042 gdouble min2 = MAX (gst_value_get_double_range_max (subtrahend), min1);
4045 GValue *pv1, *pv2; /* yeah, hungarian! */
4047 if (min1 < max1 && min2 < max2) {
4050 } else if (min1 < max1) {
4053 } else if (min2 < max2) {
4064 g_value_init (pv1, GST_TYPE_DOUBLE_RANGE);
4065 gst_value_set_double_range (pv1, min1, max1);
4068 g_value_init (pv2, GST_TYPE_DOUBLE_RANGE);
4069 gst_value_set_double_range (pv2, min2, max2);
4072 if (min1 < max1 && min2 < max2) {
4073 gst_value_list_concat (dest, pv1, pv2);
4074 g_value_unset (pv1);
4075 g_value_unset (pv2);
4081 gst_value_subtract_from_list (GValue * dest, const GValue * minuend,
4082 const GValue * subtrahend)
4085 GValue subtraction = { 0, };
4086 gboolean ret = FALSE;
4089 ltype = gst_value_list_get_type ();
4091 size = VALUE_LIST_SIZE (minuend);
4092 for (i = 0; i < size; i++) {
4093 const GValue *cur = VALUE_LIST_GET_VALUE (minuend, i);
4095 /* quicker version when we can discard the result */
4097 if (gst_value_subtract (NULL, cur, subtrahend)) {
4104 if (gst_value_subtract (&subtraction, cur, subtrahend)) {
4106 gst_value_move (dest, &subtraction);
4108 } else if (G_VALUE_HOLDS (dest, ltype)
4109 && !G_VALUE_HOLDS (&subtraction, ltype)) {
4110 gst_value_list_append_and_take_value (dest, &subtraction);
4114 gst_value_move (&temp, dest);
4115 gst_value_list_concat (dest, &temp, &subtraction);
4116 g_value_unset (&temp);
4117 g_value_unset (&subtraction);
4125 gst_value_subtract_list (GValue * dest, const GValue * minuend,
4126 const GValue * subtrahend)
4129 GValue data[2] = { {0,}, {0,} };
4130 GValue *subtraction = &data[0], *result = &data[1];
4132 gst_value_init_and_copy (result, minuend);
4133 size = VALUE_LIST_SIZE (subtrahend);
4134 for (i = 0; i < size; i++) {
4135 const GValue *cur = VALUE_LIST_GET_VALUE (subtrahend, i);
4137 if (gst_value_subtract (subtraction, result, cur)) {
4138 GValue *temp = result;
4140 result = subtraction;
4142 g_value_unset (subtraction);
4144 g_value_unset (result);
4149 gst_value_move (dest, result);
4151 g_value_unset (result);
4157 gst_value_subtract_fraction_fraction_range (GValue * dest,
4158 const GValue * minuend, const GValue * subtrahend)
4160 const GValue *min = gst_value_get_fraction_range_min (subtrahend);
4161 const GValue *max = gst_value_get_fraction_range_max (subtrahend);
4162 GstValueCompareFunc compare;
4164 if ((compare = gst_value_get_compare_func (minuend))) {
4165 /* subtracting a range from an fraction only works if the fraction
4166 * is not in the range */
4167 if (gst_value_compare_with_func (minuend, min, compare) ==
4168 GST_VALUE_LESS_THAN ||
4169 gst_value_compare_with_func (minuend, max, compare) ==
4170 GST_VALUE_GREATER_THAN) {
4171 /* and the result is the value */
4173 gst_value_init_and_copy (dest, minuend);
4181 gst_value_subtract_fraction_range_fraction (GValue * dest,
4182 const GValue * minuend, const GValue * subtrahend)
4184 /* since we don't have open ranges, we cannot create a hole in
4185 * a range. We return the original range */
4187 gst_value_init_and_copy (dest, minuend);
4192 gst_value_subtract_fraction_range_fraction_range (GValue * dest,
4193 const GValue * minuend, const GValue * subtrahend)
4195 /* since we don't have open ranges, we have to approximate */
4196 /* done like with ints and doubles. Creates a list of 2 fraction ranges */
4197 const GValue *min1 = gst_value_get_fraction_range_min (minuend);
4198 const GValue *max2 = gst_value_get_fraction_range_max (minuend);
4199 const GValue *max1 = gst_value_get_fraction_range_min (subtrahend);
4200 const GValue *min2 = gst_value_get_fraction_range_max (subtrahend);
4204 GValue *pv1, *pv2; /* yeah, hungarian! */
4205 GstValueCompareFunc compare;
4207 g_return_val_if_fail (min1 != NULL && max1 != NULL, FALSE);
4208 g_return_val_if_fail (min2 != NULL && max2 != NULL, FALSE);
4210 compare = gst_value_get_compare_func (min1);
4211 g_return_val_if_fail (compare, FALSE);
4213 cmp1 = gst_value_compare_with_func (max2, max1, compare);
4214 g_return_val_if_fail (cmp1 != GST_VALUE_UNORDERED, FALSE);
4215 if (cmp1 == GST_VALUE_LESS_THAN)
4217 cmp1 = gst_value_compare_with_func (min1, min2, compare);
4218 g_return_val_if_fail (cmp1 != GST_VALUE_UNORDERED, FALSE);
4219 if (cmp1 == GST_VALUE_GREATER_THAN)
4222 cmp1 = gst_value_compare_with_func (min1, max1, compare);
4223 cmp2 = gst_value_compare_with_func (min2, max2, compare);
4225 if (cmp1 == GST_VALUE_LESS_THAN && cmp2 == GST_VALUE_LESS_THAN) {
4228 } else if (cmp1 == GST_VALUE_LESS_THAN) {
4231 } else if (cmp2 == GST_VALUE_LESS_THAN) {
4241 if (cmp1 == GST_VALUE_LESS_THAN) {
4242 g_value_init (pv1, GST_TYPE_FRACTION_RANGE);
4243 gst_value_set_fraction_range (pv1, min1, max1);
4245 if (cmp2 == GST_VALUE_LESS_THAN) {
4246 g_value_init (pv2, GST_TYPE_FRACTION_RANGE);
4247 gst_value_set_fraction_range (pv2, min2, max2);
4250 if (cmp1 == GST_VALUE_LESS_THAN && cmp2 == GST_VALUE_LESS_THAN) {
4251 gst_value_list_concat (dest, pv1, pv2);
4252 g_value_unset (pv1);
4253 g_value_unset (pv2);
4264 * gst_value_get_compare_func:
4265 * @value1: a value to get the compare function for
4267 * Determines the compare function to be used with values of the same type as
4268 * @value1. The function can be given to gst_value_compare_with_func().
4270 * Returns: A #GstValueCompareFunc value
4272 static GstValueCompareFunc
4273 gst_value_get_compare_func (const GValue * value1)
4275 GstValueTable *table, *best = NULL;
4279 type1 = G_VALUE_TYPE (value1);
4281 /* this is a fast check */
4282 best = gst_value_hash_lookup_type (type1);
4285 if (G_UNLIKELY (!best || !best->compare)) {
4286 guint len = gst_value_table->len;
4289 for (i = 0; i < len; i++) {
4290 table = &g_array_index (gst_value_table, GstValueTable, i);
4291 if (table->compare && g_type_is_a (type1, table->type)) {
4292 if (!best || g_type_is_a (table->type, best->type))
4297 if (G_LIKELY (best))
4298 return best->compare;
4304 * gst_value_can_compare:
4305 * @value1: a value to compare
4306 * @value2: another value to compare
4308 * Determines if @value1 and @value2 can be compared.
4310 * Returns: TRUE if the values can be compared
4313 gst_value_can_compare (const GValue * value1, const GValue * value2)
4315 g_return_val_if_fail (G_IS_VALUE (value1), FALSE);
4316 g_return_val_if_fail (G_IS_VALUE (value2), FALSE);
4318 if (G_VALUE_TYPE (value1) != G_VALUE_TYPE (value2))
4321 return gst_value_get_compare_func (value1) != NULL;
4325 gst_value_list_equals_range (const GValue * list, const GValue * value)
4327 const GValue *first;
4330 g_return_val_if_fail (G_IS_VALUE (list), FALSE);
4331 g_return_val_if_fail (G_IS_VALUE (value), FALSE);
4332 g_return_val_if_fail (GST_VALUE_HOLDS_LIST (list), FALSE);
4334 /* TODO: compare against an empty list ? No type though... */
4335 list_size = VALUE_LIST_SIZE (list);
4339 /* compare the basic types - they have to match */
4340 first = VALUE_LIST_GET_VALUE (list, 0);
4341 #define CHECK_TYPES(type,prefix) \
4342 (prefix##_VALUE_HOLDS_##type(first) && GST_VALUE_HOLDS_##type##_RANGE (value))
4343 if (CHECK_TYPES (INT, G)) {
4344 const gint rmin = gst_value_get_int_range_min (value);
4345 const gint rmax = gst_value_get_int_range_max (value);
4346 const gint rstep = gst_value_get_int_range_step (value);
4347 /* note: this will overflow for min 0 and max INT_MAX, but this
4348 would only be equal to a list of INT_MAX elements, which seems
4350 if (list_size != rmax / rstep - rmin / rstep + 1)
4352 for (n = 0; n < list_size; ++n) {
4353 gint v = g_value_get_int (VALUE_LIST_GET_VALUE (list, n));
4354 if (v < rmin || v > rmax || v % rstep) {
4359 } else if (CHECK_TYPES (INT64, G)) {
4360 const gint64 rmin = gst_value_get_int64_range_min (value);
4361 const gint64 rmax = gst_value_get_int64_range_max (value);
4362 const gint64 rstep = gst_value_get_int64_range_step (value);
4363 GST_DEBUG ("List/range of int64s");
4364 if (list_size != rmax / rstep - rmin / rstep + 1)
4366 for (n = 0; n < list_size; ++n) {
4367 gint64 v = g_value_get_int64 (VALUE_LIST_GET_VALUE (list, n));
4368 if (v < rmin || v > rmax || v % rstep)
4375 /* other combinations don't make sense for equality */
4380 * gst_value_compare:
4381 * @value1: a value to compare
4382 * @value2: another value to compare
4384 * Compares @value1 and @value2. If @value1 and @value2 cannot be
4385 * compared, the function returns GST_VALUE_UNORDERED. Otherwise,
4386 * if @value1 is greater than @value2, GST_VALUE_GREATER_THAN is returned.
4387 * If @value1 is less than @value2, GST_VALUE_LESS_THAN is returned.
4388 * If the values are equal, GST_VALUE_EQUAL is returned.
4390 * Returns: comparison result
4393 gst_value_compare (const GValue * value1, const GValue * value2)
4395 GstValueCompareFunc compare;
4398 g_return_val_if_fail (G_IS_VALUE (value1), GST_VALUE_LESS_THAN);
4399 g_return_val_if_fail (G_IS_VALUE (value2), GST_VALUE_GREATER_THAN);
4401 /* Special cases: lists and scalar values ("{ 1 }" and "1" are equal),
4402 as well as lists and ranges ("{ 1, 2 }" and "[ 1, 2 ]" are equal) */
4403 ltype = gst_value_list_get_type ();
4404 if (G_VALUE_HOLDS (value1, ltype) && !G_VALUE_HOLDS (value2, ltype)) {
4406 if (gst_value_list_equals_range (value1, value2)) {
4407 return GST_VALUE_EQUAL;
4408 } else if (gst_value_list_get_size (value1) == 1) {
4411 elt = gst_value_list_get_value (value1, 0);
4412 return gst_value_compare (elt, value2);
4414 } else if (G_VALUE_HOLDS (value2, ltype) && !G_VALUE_HOLDS (value1, ltype)) {
4415 if (gst_value_list_equals_range (value2, value1)) {
4416 return GST_VALUE_EQUAL;
4417 } else if (gst_value_list_get_size (value2) == 1) {
4420 elt = gst_value_list_get_value (value2, 0);
4421 return gst_value_compare (elt, value1);
4425 if (G_VALUE_TYPE (value1) != G_VALUE_TYPE (value2))
4426 return GST_VALUE_UNORDERED;
4428 compare = gst_value_get_compare_func (value1);
4430 return compare (value1, value2);
4433 g_critical ("unable to compare values of type %s\n",
4434 g_type_name (G_VALUE_TYPE (value1)));
4435 return GST_VALUE_UNORDERED;
4439 * gst_value_compare_with_func:
4440 * @value1: a value to compare
4441 * @value2: another value to compare
4442 * @compare: compare function
4444 * Compares @value1 and @value2 using the @compare function. Works like
4445 * gst_value_compare() but allows to save time determining the compare function
4448 * Returns: comparison result
4451 gst_value_compare_with_func (const GValue * value1, const GValue * value2,
4452 GstValueCompareFunc compare)
4456 if (G_VALUE_TYPE (value1) != G_VALUE_TYPE (value2))
4457 return GST_VALUE_UNORDERED;
4459 return compare (value1, value2);
4465 * gst_value_can_union:
4466 * @value1: a value to union
4467 * @value2: another value to union
4469 * Determines if @value1 and @value2 can be non-trivially unioned.
4470 * Any two values can be trivially unioned by adding both of them
4471 * to a GstValueList. However, certain types have the possibility
4472 * to be unioned in a simpler way. For example, an integer range
4473 * and an integer can be unioned if the integer is a subset of the
4474 * integer range. If there is the possibility that two values can
4475 * be unioned, this function returns TRUE.
4477 * Returns: TRUE if there is a function allowing the two values to
4481 gst_value_can_union (const GValue * value1, const GValue * value2)
4483 GstValueUnionInfo *union_info;
4486 g_return_val_if_fail (G_IS_VALUE (value1), FALSE);
4487 g_return_val_if_fail (G_IS_VALUE (value2), FALSE);
4489 len = gst_value_union_funcs->len;
4491 for (i = 0; i < len; i++) {
4492 union_info = &g_array_index (gst_value_union_funcs, GstValueUnionInfo, i);
4493 if (union_info->type1 == G_VALUE_TYPE (value1) &&
4494 union_info->type2 == G_VALUE_TYPE (value2))
4496 if (union_info->type1 == G_VALUE_TYPE (value2) &&
4497 union_info->type2 == G_VALUE_TYPE (value1))
4506 * @dest: (out caller-allocates): the destination value
4507 * @value1: a value to union
4508 * @value2: another value to union
4510 * Creates a GValue corresponding to the union of @value1 and @value2.
4512 * Returns: TRUE if the union suceeded.
4515 gst_value_union (GValue * dest, const GValue * value1, const GValue * value2)
4517 const GstValueUnionInfo *union_info;
4521 g_return_val_if_fail (dest != NULL, FALSE);
4522 g_return_val_if_fail (G_IS_VALUE (value1), FALSE);
4523 g_return_val_if_fail (G_IS_VALUE (value2), FALSE);
4524 g_return_val_if_fail (gst_value_list_or_array_are_compatible (value1, value2),
4527 len = gst_value_union_funcs->len;
4528 type1 = G_VALUE_TYPE (value1);
4529 type2 = G_VALUE_TYPE (value2);
4531 for (i = 0; i < len; i++) {
4532 union_info = &g_array_index (gst_value_union_funcs, GstValueUnionInfo, i);
4533 if (union_info->type1 == type1 && union_info->type2 == type2) {
4534 return union_info->func (dest, value1, value2);
4536 if (union_info->type1 == type2 && union_info->type2 == type1) {
4537 return union_info->func (dest, value2, value1);
4541 gst_value_list_concat (dest, value1, value2);
4545 /* gst_value_register_union_func: (skip)
4546 * @type1: a type to union
4547 * @type2: another type to union
4548 * @func: a function that implements creating a union between the two types
4550 * Registers a union function that can create a union between #GValue items
4551 * of the type @type1 and @type2.
4553 * Union functions should be registered at startup before any pipelines are
4554 * started, as gst_value_register_union_func() is not thread-safe and cannot
4555 * be used at the same time as gst_value_union() or gst_value_can_union().
4558 gst_value_register_union_func (GType type1, GType type2, GstValueUnionFunc func)
4560 GstValueUnionInfo union_info;
4562 union_info.type1 = type1;
4563 union_info.type2 = type2;
4564 union_info.func = func;
4566 g_array_append_val (gst_value_union_funcs, union_info);
4572 * gst_value_can_intersect:
4573 * @value1: a value to intersect
4574 * @value2: another value to intersect
4576 * Determines if intersecting two values will produce a valid result.
4577 * Two values will produce a valid intersection if they have the same
4578 * type, or if there is a method (registered by
4579 * gst_value_register_intersect_func()) to calculate the intersection.
4581 * Returns: TRUE if the values can intersect
4584 gst_value_can_intersect (const GValue * value1, const GValue * value2)
4586 GstValueIntersectInfo *intersect_info;
4588 GType ltype, type1, type2;
4590 g_return_val_if_fail (G_IS_VALUE (value1), FALSE);
4591 g_return_val_if_fail (G_IS_VALUE (value2), FALSE);
4593 ltype = gst_value_list_get_type ();
4596 if (G_VALUE_HOLDS (value1, ltype) || G_VALUE_HOLDS (value2, ltype))
4599 type1 = G_VALUE_TYPE (value1);
4600 type2 = G_VALUE_TYPE (value2);
4602 /* practically all GstValue types have a compare function (_can_compare=TRUE)
4603 * GstStructure and GstCaps have npot, but are intersectable */
4607 /* check registered intersect functions */
4608 len = gst_value_intersect_funcs->len;
4609 for (i = 0; i < len; i++) {
4610 intersect_info = &g_array_index (gst_value_intersect_funcs,
4611 GstValueIntersectInfo, i);
4612 if ((intersect_info->type1 == type1 && intersect_info->type2 == type2) ||
4613 (intersect_info->type1 == type2 && intersect_info->type2 == type1))
4617 return gst_value_can_compare (value1, value2);
4621 * gst_value_intersect:
4622 * @dest: (out caller-allocates) (transfer full): a uninitialized #GValue that will hold the calculated
4623 * intersection value. May be NULL if the resulting set if not needed.
4624 * @value1: a value to intersect
4625 * @value2: another value to intersect
4627 * Calculates the intersection of two values. If the values have
4628 * a non-empty intersection, the value representing the intersection
4629 * is placed in @dest, unless NULL. If the intersection is non-empty,
4630 * @dest is not modified.
4632 * Returns: TRUE if the intersection is non-empty
4635 gst_value_intersect (GValue * dest, const GValue * value1,
4636 const GValue * value2)
4638 GstValueIntersectInfo *intersect_info;
4640 GType ltype, type1, type2;
4642 g_return_val_if_fail (G_IS_VALUE (value1), FALSE);
4643 g_return_val_if_fail (G_IS_VALUE (value2), FALSE);
4645 ltype = gst_value_list_get_type ();
4647 /* special cases first */
4648 if (G_VALUE_HOLDS (value1, ltype))
4649 return gst_value_intersect_list (dest, value1, value2);
4650 if (G_VALUE_HOLDS (value2, ltype))
4651 return gst_value_intersect_list (dest, value2, value1);
4653 if (gst_value_compare (value1, value2) == GST_VALUE_EQUAL) {
4655 gst_value_init_and_copy (dest, value1);
4659 type1 = G_VALUE_TYPE (value1);
4660 type2 = G_VALUE_TYPE (value2);
4662 len = gst_value_intersect_funcs->len;
4663 for (i = 0; i < len; i++) {
4664 intersect_info = &g_array_index (gst_value_intersect_funcs,
4665 GstValueIntersectInfo, i);
4666 if (intersect_info->type1 == type1 && intersect_info->type2 == type2) {
4667 return intersect_info->func (dest, value1, value2);
4669 if (intersect_info->type1 == type2 && intersect_info->type2 == type1) {
4670 return intersect_info->func (dest, value2, value1);
4678 /* gst_value_register_intersect_func: (skip)
4679 * @type1: the first type to intersect
4680 * @type2: the second type to intersect
4681 * @func: the intersection function
4683 * Registers a function that is called to calculate the intersection
4684 * of the values having the types @type1 and @type2.
4686 * Intersect functions should be registered at startup before any pipelines are
4687 * started, as gst_value_register_intersect_func() is not thread-safe and
4688 * cannot be used at the same time as gst_value_intersect() or
4689 * gst_value_can_intersect().
4692 gst_value_register_intersect_func (GType type1, GType type2,
4693 GstValueIntersectFunc func)
4695 GstValueIntersectInfo intersect_info;
4697 intersect_info.type1 = type1;
4698 intersect_info.type2 = type2;
4699 intersect_info.func = func;
4701 g_array_append_val (gst_value_intersect_funcs, intersect_info);
4708 * gst_value_subtract:
4709 * @dest: (out caller-allocates): the destination value for the result if the
4710 * subtraction is not empty. May be NULL, in which case the resulting set
4711 * will not be computed, which can give a fair speedup.
4712 * @minuend: the value to subtract from
4713 * @subtrahend: the value to subtract
4715 * Subtracts @subtrahend from @minuend and stores the result in @dest.
4716 * Note that this means subtraction as in sets, not as in mathematics.
4718 * Returns: %TRUE if the subtraction is not empty
4721 gst_value_subtract (GValue * dest, const GValue * minuend,
4722 const GValue * subtrahend)
4724 GstValueSubtractInfo *info;
4726 GType ltype, mtype, stype;
4728 g_return_val_if_fail (G_IS_VALUE (minuend), FALSE);
4729 g_return_val_if_fail (G_IS_VALUE (subtrahend), FALSE);
4731 ltype = gst_value_list_get_type ();
4733 /* special cases first */
4734 if (G_VALUE_HOLDS (minuend, ltype))
4735 return gst_value_subtract_from_list (dest, minuend, subtrahend);
4736 if (G_VALUE_HOLDS (subtrahend, ltype))
4737 return gst_value_subtract_list (dest, minuend, subtrahend);
4739 mtype = G_VALUE_TYPE (minuend);
4740 stype = G_VALUE_TYPE (subtrahend);
4742 len = gst_value_subtract_funcs->len;
4743 for (i = 0; i < len; i++) {
4744 info = &g_array_index (gst_value_subtract_funcs, GstValueSubtractInfo, i);
4745 if (info->minuend == mtype && info->subtrahend == stype) {
4746 return info->func (dest, minuend, subtrahend);
4750 if (gst_value_compare (minuend, subtrahend) != GST_VALUE_EQUAL) {
4752 gst_value_init_and_copy (dest, minuend);
4761 gst_value_subtract (GValue * dest, const GValue * minuend,
4762 const GValue * subtrahend)
4764 gboolean ret = gst_value_subtract2 (dest, minuend, subtrahend);
4766 g_printerr ("\"%s\" - \"%s\" = \"%s\"\n", gst_value_serialize (minuend),
4767 gst_value_serialize (subtrahend),
4768 ret ? gst_value_serialize (dest) : "---");
4774 * gst_value_can_subtract:
4775 * @minuend: the value to subtract from
4776 * @subtrahend: the value to subtract
4778 * Checks if it's possible to subtract @subtrahend from @minuend.
4780 * Returns: TRUE if a subtraction is possible
4783 gst_value_can_subtract (const GValue * minuend, const GValue * subtrahend)
4785 GstValueSubtractInfo *info;
4787 GType ltype, mtype, stype;
4789 g_return_val_if_fail (G_IS_VALUE (minuend), FALSE);
4790 g_return_val_if_fail (G_IS_VALUE (subtrahend), FALSE);
4792 ltype = gst_value_list_get_type ();
4795 if (G_VALUE_HOLDS (minuend, ltype) || G_VALUE_HOLDS (subtrahend, ltype))
4798 mtype = G_VALUE_TYPE (minuend);
4799 stype = G_VALUE_TYPE (subtrahend);
4801 len = gst_value_subtract_funcs->len;
4802 for (i = 0; i < len; i++) {
4803 info = &g_array_index (gst_value_subtract_funcs, GstValueSubtractInfo, i);
4804 if (info->minuend == mtype && info->subtrahend == stype)
4808 return gst_value_can_compare (minuend, subtrahend);
4811 /* gst_value_register_subtract_func: (skip)
4812 * @minuend_type: type of the minuend
4813 * @subtrahend_type: type of the subtrahend
4814 * @func: function to use
4816 * Registers @func as a function capable of subtracting the values of
4817 * @subtrahend_type from values of @minuend_type.
4819 * Subtract functions should be registered at startup before any pipelines are
4820 * started, as gst_value_register_subtract_func() is not thread-safe and
4821 * cannot be used at the same time as gst_value_subtract().
4824 gst_value_register_subtract_func (GType minuend_type, GType subtrahend_type,
4825 GstValueSubtractFunc func)
4827 GstValueSubtractInfo info;
4829 g_return_if_fail (!gst_type_is_fixed (minuend_type)
4830 || !gst_type_is_fixed (subtrahend_type));
4832 info.minuend = minuend_type;
4833 info.subtrahend = subtrahend_type;
4836 g_array_append_val (gst_value_subtract_funcs, info);
4840 * gst_value_register:
4841 * @table: structure containing functions to register
4843 * Registers functions to perform calculations on #GValue items of a given
4844 * type. Each type can only be added once.
4847 gst_value_register (const GstValueTable * table)
4849 GstValueTable *found;
4851 g_return_if_fail (table != NULL);
4853 g_array_append_val (gst_value_table, *table);
4855 found = gst_value_hash_lookup_type (table->type);
4857 g_warning ("adding type %s multiple times", g_type_name (table->type));
4859 /* FIXME: we're not really doing the const justice, we assume the table is
4861 gst_value_hash_add_type (table->type, table);
4865 * gst_value_init_and_copy:
4866 * @dest: (out caller-allocates): the target value
4867 * @src: the source value
4869 * Initialises the target value to be of the same type as source and then copies
4870 * the contents from source to target.
4873 gst_value_init_and_copy (GValue * dest, const GValue * src)
4875 g_return_if_fail (G_IS_VALUE (src));
4876 g_return_if_fail (dest != NULL);
4878 g_value_init (dest, G_VALUE_TYPE (src));
4879 g_value_copy (src, dest);
4882 /* move src into dest and clear src */
4884 gst_value_move (GValue * dest, GValue * src)
4886 g_assert (G_IS_VALUE (src));
4887 g_assert (dest != NULL);
4890 memset (src, 0, sizeof (GValue));
4894 * gst_value_serialize:
4895 * @value: a #GValue to serialize
4897 * tries to transform the given @value into a string representation that allows
4898 * getting back this string later on using gst_value_deserialize().
4900 * Free-function: g_free
4902 * Returns: (transfer full): the serialization for @value or NULL if none exists
4905 gst_value_serialize (const GValue * value)
4908 GValue s_val = { 0 };
4909 GstValueTable *table, *best;
4913 g_return_val_if_fail (G_IS_VALUE (value), NULL);
4915 type = G_VALUE_TYPE (value);
4917 best = gst_value_hash_lookup_type (type);
4919 if (G_UNLIKELY (!best || !best->serialize)) {
4920 len = gst_value_table->len;
4922 for (i = 0; i < len; i++) {
4923 table = &g_array_index (gst_value_table, GstValueTable, i);
4924 if (table->serialize && g_type_is_a (type, table->type)) {
4925 if (!best || g_type_is_a (table->type, best->type))
4930 if (G_LIKELY (best))
4931 return best->serialize (value);
4933 g_value_init (&s_val, G_TYPE_STRING);
4934 if (g_value_transform (value, &s_val)) {
4935 s = gst_string_wrap (g_value_get_string (&s_val));
4939 g_value_unset (&s_val);
4945 * gst_value_deserialize:
4946 * @dest: (out caller-allocates): #GValue to fill with contents of
4948 * @src: string to deserialize
4950 * Tries to deserialize a string into the type specified by the given GValue.
4951 * If the operation succeeds, TRUE is returned, FALSE otherwise.
4953 * Returns: TRUE on success
4956 gst_value_deserialize (GValue * dest, const gchar * src)
4958 GstValueTable *table, *best;
4962 g_return_val_if_fail (src != NULL, FALSE);
4963 g_return_val_if_fail (G_IS_VALUE (dest), FALSE);
4965 type = G_VALUE_TYPE (dest);
4967 best = gst_value_hash_lookup_type (type);
4968 if (G_UNLIKELY (!best || !best->deserialize)) {
4969 len = gst_value_table->len;
4971 for (i = 0; i < len; i++) {
4972 table = &g_array_index (gst_value_table, GstValueTable, i);
4973 if (table->deserialize && g_type_is_a (type, table->type)) {
4974 if (!best || g_type_is_a (table->type, best->type))
4979 if (G_LIKELY (best))
4980 return best->deserialize (dest, src);
4986 * gst_value_is_fixed:
4987 * @value: the #GValue to check
4989 * Tests if the given GValue, if available in a GstStructure (or any other
4990 * container) contains a "fixed" (which means: one value) or an "unfixed"
4991 * (which means: multiple possible values, such as data lists or data
4994 * Returns: true if the value is "fixed".
4998 gst_value_is_fixed (const GValue * value)
5002 g_return_val_if_fail (G_IS_VALUE (value), FALSE);
5004 type = G_VALUE_TYPE (value);
5006 /* the most common types are just basic plain glib types */
5007 if (type <= G_TYPE_MAKE_FUNDAMENTAL (G_TYPE_RESERVED_GLIB_LAST)) {
5011 if (type == GST_TYPE_ARRAY) {
5015 /* check recursively */
5016 size = gst_value_array_get_size (value);
5017 for (n = 0; n < size; n++) {
5018 kid = gst_value_array_get_value (value, n);
5019 if (!gst_value_is_fixed (kid))
5024 return gst_type_is_fixed (type);
5029 * @dest: the #GValue destination
5030 * @src: the #GValue to fixate
5032 * Fixate @src into a new value @dest.
5033 * For ranges, the first element is taken. For lists and arrays, the
5034 * first item is fixated and returned.
5035 * If @src is already fixed, this function returns FALSE.
5037 * Returns: true if @dest contains a fixated version of @src.
5040 gst_value_fixate (GValue * dest, const GValue * src)
5042 g_return_val_if_fail (G_IS_VALUE (src), FALSE);
5043 g_return_val_if_fail (dest != NULL, FALSE);
5045 if (G_VALUE_TYPE (src) == GST_TYPE_INT_RANGE) {
5046 g_value_init (dest, G_TYPE_INT);
5047 g_value_set_int (dest, gst_value_get_int_range_min (src));
5048 } else if (G_VALUE_TYPE (src) == GST_TYPE_DOUBLE_RANGE) {
5049 g_value_init (dest, G_TYPE_DOUBLE);
5050 g_value_set_double (dest, gst_value_get_double_range_min (src));
5051 } else if (G_VALUE_TYPE (src) == GST_TYPE_FRACTION_RANGE) {
5052 gst_value_init_and_copy (dest, gst_value_get_fraction_range_min (src));
5053 } else if (G_VALUE_TYPE (src) == GST_TYPE_LIST) {
5054 GValue temp = { 0 };
5056 /* list could be empty */
5057 if (gst_value_list_get_size (src) <= 0)
5060 gst_value_init_and_copy (&temp, gst_value_list_get_value (src, 0));
5062 if (!gst_value_fixate (dest, &temp)) {
5063 gst_value_move (dest, &temp);
5065 g_value_unset (&temp);
5067 } else if (G_VALUE_TYPE (src) == GST_TYPE_ARRAY) {
5068 gboolean res = FALSE;
5071 len = gst_value_array_get_size (src);
5072 g_value_init (dest, GST_TYPE_ARRAY);
5073 for (n = 0; n < len; n++) {
5075 const GValue *orig_kid = gst_value_array_get_value (src, n);
5077 if (!gst_value_fixate (&kid, orig_kid))
5078 gst_value_init_and_copy (&kid, orig_kid);
5081 gst_value_array_append_and_take_value (dest, &kid);
5085 g_value_unset (dest);
5099 /* helper functions */
5101 gst_value_init_fraction (GValue * value)
5103 value->data[0].v_int = 0;
5104 value->data[1].v_int = 1;
5108 gst_value_copy_fraction (const GValue * src_value, GValue * dest_value)
5110 dest_value->data[0].v_int = src_value->data[0].v_int;
5111 dest_value->data[1].v_int = src_value->data[1].v_int;
5115 gst_value_collect_fraction (GValue * value, guint n_collect_values,
5116 GTypeCValue * collect_values, guint collect_flags)
5118 if (n_collect_values != 2)
5119 return g_strdup_printf ("not enough value locations for `%s' passed",
5120 G_VALUE_TYPE_NAME (value));
5121 if (collect_values[1].v_int == 0)
5122 return g_strdup_printf ("passed '0' as denominator for `%s'",
5123 G_VALUE_TYPE_NAME (value));
5124 if (collect_values[0].v_int < -G_MAXINT)
5127 ("passed value smaller than -G_MAXINT as numerator for `%s'",
5128 G_VALUE_TYPE_NAME (value));
5129 if (collect_values[1].v_int < -G_MAXINT)
5132 ("passed value smaller than -G_MAXINT as denominator for `%s'",
5133 G_VALUE_TYPE_NAME (value));
5135 gst_value_set_fraction (value,
5136 collect_values[0].v_int, collect_values[1].v_int);
5142 gst_value_lcopy_fraction (const GValue * value, guint n_collect_values,
5143 GTypeCValue * collect_values, guint collect_flags)
5145 gint *numerator = collect_values[0].v_pointer;
5146 gint *denominator = collect_values[1].v_pointer;
5149 return g_strdup_printf ("numerator for `%s' passed as NULL",
5150 G_VALUE_TYPE_NAME (value));
5152 return g_strdup_printf ("denominator for `%s' passed as NULL",
5153 G_VALUE_TYPE_NAME (value));
5155 *numerator = value->data[0].v_int;
5156 *denominator = value->data[1].v_int;
5162 * gst_value_set_fraction:
5163 * @value: a GValue initialized to #GST_TYPE_FRACTION
5164 * @numerator: the numerator of the fraction
5165 * @denominator: the denominator of the fraction
5167 * Sets @value to the fraction specified by @numerator over @denominator.
5168 * The fraction gets reduced to the smallest numerator and denominator,
5169 * and if necessary the sign is moved to the numerator.
5172 gst_value_set_fraction (GValue * value, gint numerator, gint denominator)
5176 g_return_if_fail (GST_VALUE_HOLDS_FRACTION (value));
5177 g_return_if_fail (denominator != 0);
5178 g_return_if_fail (denominator >= -G_MAXINT);
5179 g_return_if_fail (numerator >= -G_MAXINT);
5181 /* normalize sign */
5182 if (denominator < 0) {
5183 numerator = -numerator;
5184 denominator = -denominator;
5187 /* check for reduction */
5188 gcd = gst_util_greatest_common_divisor (numerator, denominator);
5194 g_assert (denominator > 0);
5196 value->data[0].v_int = numerator;
5197 value->data[1].v_int = denominator;
5201 * gst_value_get_fraction_numerator:
5202 * @value: a GValue initialized to #GST_TYPE_FRACTION
5204 * Gets the numerator of the fraction specified by @value.
5206 * Returns: the numerator of the fraction.
5209 gst_value_get_fraction_numerator (const GValue * value)
5211 g_return_val_if_fail (GST_VALUE_HOLDS_FRACTION (value), 0);
5213 return value->data[0].v_int;
5217 * gst_value_get_fraction_denominator:
5218 * @value: a GValue initialized to #GST_TYPE_FRACTION
5220 * Gets the denominator of the fraction specified by @value.
5222 * Returns: the denominator of the fraction.
5225 gst_value_get_fraction_denominator (const GValue * value)
5227 g_return_val_if_fail (GST_VALUE_HOLDS_FRACTION (value), 1);
5229 return value->data[1].v_int;
5233 * gst_value_fraction_multiply:
5234 * @product: a GValue initialized to #GST_TYPE_FRACTION
5235 * @factor1: a GValue initialized to #GST_TYPE_FRACTION
5236 * @factor2: a GValue initialized to #GST_TYPE_FRACTION
5238 * Multiplies the two #GValue items containing a #GST_TYPE_FRACTION and sets
5239 * @product to the product of the two fractions.
5241 * Returns: FALSE in case of an error (like integer overflow), TRUE otherwise.
5244 gst_value_fraction_multiply (GValue * product, const GValue * factor1,
5245 const GValue * factor2)
5247 gint n1, n2, d1, d2;
5250 g_return_val_if_fail (product != NULL, FALSE);
5251 g_return_val_if_fail (GST_VALUE_HOLDS_FRACTION (factor1), FALSE);
5252 g_return_val_if_fail (GST_VALUE_HOLDS_FRACTION (factor2), FALSE);
5254 n1 = factor1->data[0].v_int;
5255 n2 = factor2->data[0].v_int;
5256 d1 = factor1->data[1].v_int;
5257 d2 = factor2->data[1].v_int;
5259 if (!gst_util_fraction_multiply (n1, d1, n2, d2, &res_n, &res_d))
5262 gst_value_set_fraction (product, res_n, res_d);
5268 * gst_value_fraction_subtract:
5269 * @dest: a GValue initialized to #GST_TYPE_FRACTION
5270 * @minuend: a GValue initialized to #GST_TYPE_FRACTION
5271 * @subtrahend: a GValue initialized to #GST_TYPE_FRACTION
5273 * Subtracts the @subtrahend from the @minuend and sets @dest to the result.
5275 * Returns: FALSE in case of an error (like integer overflow), TRUE otherwise.
5278 gst_value_fraction_subtract (GValue * dest,
5279 const GValue * minuend, const GValue * subtrahend)
5281 gint n1, n2, d1, d2;
5284 g_return_val_if_fail (dest != NULL, FALSE);
5285 g_return_val_if_fail (GST_VALUE_HOLDS_FRACTION (minuend), FALSE);
5286 g_return_val_if_fail (GST_VALUE_HOLDS_FRACTION (subtrahend), FALSE);
5288 n1 = minuend->data[0].v_int;
5289 n2 = subtrahend->data[0].v_int;
5290 d1 = minuend->data[1].v_int;
5291 d2 = subtrahend->data[1].v_int;
5293 if (!gst_util_fraction_add (n1, d1, -n2, d2, &res_n, &res_d))
5295 gst_value_set_fraction (dest, res_n, res_d);
5301 gst_value_serialize_fraction (const GValue * value)
5303 gint32 numerator = value->data[0].v_int;
5304 gint32 denominator = value->data[1].v_int;
5305 gboolean positive = TRUE;
5307 /* get the sign and make components absolute */
5308 if (numerator < 0) {
5309 numerator = -numerator;
5310 positive = !positive;
5312 if (denominator < 0) {
5313 denominator = -denominator;
5314 positive = !positive;
5317 return g_strdup_printf ("%s%d/%d",
5318 positive ? "" : "-", numerator, denominator);
5322 gst_value_deserialize_fraction (GValue * dest, const gchar * s)
5327 if (G_UNLIKELY (s == NULL))
5330 if (G_UNLIKELY (dest == NULL || !GST_VALUE_HOLDS_FRACTION (dest)))
5333 if (sscanf (s, "%d/%d%n", &num, &den, &num_chars) >= 2) {
5334 if (s[num_chars] != 0)
5339 gst_value_set_fraction (dest, num, den);
5341 } else if (g_ascii_strcasecmp (s, "1/max") == 0) {
5342 gst_value_set_fraction (dest, 1, G_MAXINT);
5344 } else if (sscanf (s, "%d%n", &num, &num_chars) >= 1) {
5345 if (s[num_chars] != 0)
5347 gst_value_set_fraction (dest, num, 1);
5349 } else if (g_ascii_strcasecmp (s, "min") == 0) {
5350 gst_value_set_fraction (dest, -G_MAXINT, 1);
5352 } else if (g_ascii_strcasecmp (s, "max") == 0) {
5353 gst_value_set_fraction (dest, G_MAXINT, 1);
5361 gst_value_transform_fraction_string (const GValue * src_value,
5362 GValue * dest_value)
5364 dest_value->data[0].v_pointer = gst_value_serialize_fraction (src_value);
5368 gst_value_transform_string_fraction (const GValue * src_value,
5369 GValue * dest_value)
5371 if (!gst_value_deserialize_fraction (dest_value,
5372 src_value->data[0].v_pointer))
5373 /* If the deserialize fails, ensure we leave the fraction in a
5374 * valid, if incorrect, state */
5375 gst_value_set_fraction (dest_value, 0, 1);
5379 gst_value_transform_double_fraction (const GValue * src_value,
5380 GValue * dest_value)
5382 gdouble src = g_value_get_double (src_value);
5385 gst_util_double_to_fraction (src, &n, &d);
5386 gst_value_set_fraction (dest_value, n, d);
5390 gst_value_transform_float_fraction (const GValue * src_value,
5391 GValue * dest_value)
5393 gfloat src = g_value_get_float (src_value);
5396 gst_util_double_to_fraction (src, &n, &d);
5397 gst_value_set_fraction (dest_value, n, d);
5401 gst_value_transform_fraction_double (const GValue * src_value,
5402 GValue * dest_value)
5404 dest_value->data[0].v_double = ((double) src_value->data[0].v_int) /
5405 ((double) src_value->data[1].v_int);
5409 gst_value_transform_fraction_float (const GValue * src_value,
5410 GValue * dest_value)
5412 dest_value->data[0].v_float = ((float) src_value->data[0].v_int) /
5413 ((float) src_value->data[1].v_int);
5417 gst_value_compare_fraction (const GValue * value1, const GValue * value2)
5423 n1 = value1->data[0].v_int;
5424 n2 = value2->data[0].v_int;
5425 d1 = value1->data[1].v_int;
5426 d2 = value2->data[1].v_int;
5428 /* fractions are reduced when set, so we can quickly see if they're equal */
5429 if (n1 == n2 && d1 == d2)
5430 return GST_VALUE_EQUAL;
5432 if (d1 == 0 && d2 == 0)
5433 return GST_VALUE_UNORDERED;
5435 return GST_VALUE_GREATER_THAN;
5437 return GST_VALUE_LESS_THAN;
5439 ret = gst_util_fraction_compare (n1, d1, n2, d2);
5441 return GST_VALUE_LESS_THAN;
5443 return GST_VALUE_GREATER_THAN;
5445 /* Equality can't happen here because we check for that
5447 g_return_val_if_reached (GST_VALUE_UNORDERED);
5455 gst_value_compare_date (const GValue * value1, const GValue * value2)
5457 const GDate *date1 = (const GDate *) g_value_get_boxed (value1);
5458 const GDate *date2 = (const GDate *) g_value_get_boxed (value2);
5462 return GST_VALUE_EQUAL;
5464 if ((date1 == NULL || !g_date_valid (date1))
5465 && (date2 != NULL && g_date_valid (date2))) {
5466 return GST_VALUE_LESS_THAN;
5469 if ((date2 == NULL || !g_date_valid (date2))
5470 && (date1 != NULL && g_date_valid (date1))) {
5471 return GST_VALUE_GREATER_THAN;
5474 if (date1 == NULL || date2 == NULL || !g_date_valid (date1)
5475 || !g_date_valid (date2)) {
5476 return GST_VALUE_UNORDERED;
5479 j1 = g_date_get_julian (date1);
5480 j2 = g_date_get_julian (date2);
5483 return GST_VALUE_EQUAL;
5485 return GST_VALUE_LESS_THAN;
5487 return GST_VALUE_GREATER_THAN;
5491 gst_value_serialize_date (const GValue * val)
5493 const GDate *date = (const GDate *) g_value_get_boxed (val);
5495 if (date == NULL || !g_date_valid (date))
5496 return g_strdup ("9999-99-99");
5498 return g_strdup_printf ("%04u-%02u-%02u", g_date_get_year (date),
5499 g_date_get_month (date), g_date_get_day (date));
5503 gst_value_deserialize_date (GValue * dest, const gchar * s)
5505 guint year, month, day;
5507 if (!s || sscanf (s, "%04u-%02u-%02u", &year, &month, &day) != 3)
5510 if (!g_date_valid_dmy (day, month, year))
5513 g_value_take_boxed (dest, g_date_new_dmy (day, month, year));
5522 gst_value_compare_date_time (const GValue * value1, const GValue * value2)
5524 const GstDateTime *date1 = (const GstDateTime *) g_value_get_boxed (value1);
5525 const GstDateTime *date2 = (const GstDateTime *) g_value_get_boxed (value2);
5528 return GST_VALUE_EQUAL;
5530 if ((date1 == NULL) && (date2 != NULL)) {
5531 return GST_VALUE_LESS_THAN;
5533 if ((date2 == NULL) && (date1 != NULL)) {
5534 return GST_VALUE_LESS_THAN;
5537 /* returns GST_VALUE_* */
5538 return __gst_date_time_compare (date1, date2);
5542 gst_value_serialize_date_time (const GValue * val)
5544 GstDateTime *date = (GstDateTime *) g_value_get_boxed (val);
5547 return g_strdup ("null");
5549 return __gst_date_time_serialize (date, TRUE);
5553 gst_value_deserialize_date_time (GValue * dest, const gchar * s)
5555 GstDateTime *datetime;
5557 if (!s || strcmp (s, "null") == 0) {
5561 datetime = gst_date_time_new_from_iso8601_string (s);
5562 if (datetime != NULL) {
5563 g_value_take_boxed (dest, datetime);
5566 GST_WARNING ("Failed to deserialize date time string '%s'", s);
5571 gst_value_transform_date_string (const GValue * src_value, GValue * dest_value)
5573 dest_value->data[0].v_pointer = gst_value_serialize_date (src_value);
5577 gst_value_transform_string_date (const GValue * src_value, GValue * dest_value)
5579 gst_value_deserialize_date (dest_value, src_value->data[0].v_pointer);
5587 /* helper functions */
5589 gst_value_init_bitmask (GValue * value)
5591 value->data[0].v_uint64 = 0;
5595 gst_value_copy_bitmask (const GValue * src_value, GValue * dest_value)
5597 dest_value->data[0].v_uint64 = src_value->data[0].v_uint64;
5601 gst_value_collect_bitmask (GValue * value, guint n_collect_values,
5602 GTypeCValue * collect_values, guint collect_flags)
5604 if (n_collect_values != 1)
5605 return g_strdup_printf ("not enough value locations for `%s' passed",
5606 G_VALUE_TYPE_NAME (value));
5608 gst_value_set_bitmask (value, (guint64) collect_values[0].v_int64);
5614 gst_value_lcopy_bitmask (const GValue * value, guint n_collect_values,
5615 GTypeCValue * collect_values, guint collect_flags)
5617 guint64 *bitmask = collect_values[0].v_pointer;
5620 return g_strdup_printf ("value for `%s' passed as NULL",
5621 G_VALUE_TYPE_NAME (value));
5623 *bitmask = value->data[0].v_uint64;
5629 * gst_value_set_bitmask:
5630 * @value: a GValue initialized to #GST_TYPE_FRACTION
5631 * @bitmask: the bitmask
5633 * Sets @value to the bitmask specified by @bitmask.
5636 gst_value_set_bitmask (GValue * value, guint64 bitmask)
5638 g_return_if_fail (GST_VALUE_HOLDS_BITMASK (value));
5640 value->data[0].v_uint64 = bitmask;
5644 * gst_value_get_bitmask:
5645 * @value: a GValue initialized to #GST_TYPE_FRACTION
5647 * Gets the bitmask specified by @value.
5649 * Returns: the bitmask.
5652 gst_value_get_bitmask (const GValue * value)
5654 g_return_val_if_fail (GST_VALUE_HOLDS_BITMASK (value), 0);
5656 return value->data[0].v_uint64;
5660 gst_value_serialize_bitmask (const GValue * value)
5662 guint64 bitmask = value->data[0].v_uint64;
5664 return g_strdup_printf ("0x%016" G_GINT64_MODIFIER "x", bitmask);
5668 gst_value_deserialize_bitmask (GValue * dest, const gchar * s)
5670 gchar *endptr = NULL;
5673 if (G_UNLIKELY (s == NULL))
5676 if (G_UNLIKELY (dest == NULL || !GST_VALUE_HOLDS_BITMASK (dest)))
5679 val = g_ascii_strtoull (s, &endptr, 16);
5680 if (val == G_MAXUINT64 && (errno == ERANGE || errno == EINVAL))
5682 if (val == 0 && endptr == s)
5685 gst_value_set_bitmask (dest, val);
5691 gst_value_transform_bitmask_string (const GValue * src_value,
5692 GValue * dest_value)
5694 dest_value->data[0].v_pointer = gst_value_serialize_bitmask (src_value);
5698 gst_value_transform_string_bitmask (const GValue * src_value,
5699 GValue * dest_value)
5701 if (!gst_value_deserialize_bitmask (dest_value, src_value->data[0].v_pointer))
5702 gst_value_set_bitmask (dest_value, 0);
5706 gst_value_transform_uint64_bitmask (const GValue * src_value,
5707 GValue * dest_value)
5709 dest_value->data[0].v_uint64 = src_value->data[0].v_uint64;
5713 gst_value_transform_bitmask_uint64 (const GValue * src_value,
5714 GValue * dest_value)
5716 dest_value->data[0].v_uint64 = src_value->data[0].v_uint64;
5720 gst_value_compare_bitmask (const GValue * value1, const GValue * value2)
5724 v1 = value1->data[0].v_uint64;
5725 v2 = value2->data[0].v_uint64;
5728 return GST_VALUE_EQUAL;
5730 return GST_VALUE_UNORDERED;
5734 gst_value_transform_object_string (const GValue * src_value,
5735 GValue * dest_value)
5740 obj = g_value_get_object (src_value);
5743 g_strdup_printf ("(%s) %s", G_OBJECT_TYPE_NAME (obj),
5744 GST_OBJECT_NAME (obj));
5746 str = g_strdup ("NULL");
5749 dest_value->data[0].v_pointer = str;
5752 static GTypeInfo _info = {
5765 static GTypeFundamentalInfo _finfo = {
5769 #define FUNC_VALUE_GET_TYPE(type, name) \
5770 GType gst_ ## type ## _get_type (void) \
5772 static volatile GType gst_ ## type ## _type = 0; \
5774 if (g_once_init_enter (&gst_ ## type ## _type)) { \
5776 _info.value_table = & _gst_ ## type ## _value_table; \
5777 _type = g_type_register_fundamental ( \
5778 g_type_fundamental_next (), \
5779 name, &_info, &_finfo, 0); \
5780 g_once_init_leave(&gst_ ## type ## _type, _type); \
5783 return gst_ ## type ## _type; \
5786 static const GTypeValueTable _gst_int_range_value_table = {
5787 gst_value_init_int_range,
5788 gst_value_free_int_range,
5789 gst_value_copy_int_range,
5792 gst_value_collect_int_range,
5794 gst_value_lcopy_int_range
5797 FUNC_VALUE_GET_TYPE (int_range, "GstIntRange");
5799 static const GTypeValueTable _gst_int64_range_value_table = {
5800 gst_value_init_int64_range,
5801 gst_value_free_int64_range,
5802 gst_value_copy_int64_range,
5805 gst_value_collect_int64_range,
5807 gst_value_lcopy_int64_range
5810 FUNC_VALUE_GET_TYPE (int64_range, "GstInt64Range");
5812 static const GTypeValueTable _gst_double_range_value_table = {
5813 gst_value_init_double_range,
5815 gst_value_copy_double_range,
5818 gst_value_collect_double_range,
5820 gst_value_lcopy_double_range
5823 FUNC_VALUE_GET_TYPE (double_range, "GstDoubleRange");
5825 static const GTypeValueTable _gst_fraction_range_value_table = {
5826 gst_value_init_fraction_range,
5827 gst_value_free_fraction_range,
5828 gst_value_copy_fraction_range,
5831 gst_value_collect_fraction_range,
5833 gst_value_lcopy_fraction_range
5836 FUNC_VALUE_GET_TYPE (fraction_range, "GstFractionRange");
5838 static const GTypeValueTable _gst_value_list_value_table = {
5839 gst_value_init_list_or_array,
5840 gst_value_free_list_or_array,
5841 gst_value_copy_list_or_array,
5842 gst_value_list_or_array_peek_pointer,
5844 gst_value_collect_list_or_array,
5846 gst_value_lcopy_list_or_array
5849 FUNC_VALUE_GET_TYPE (value_list, "GstValueList");
5851 static const GTypeValueTable _gst_value_array_value_table = {
5852 gst_value_init_list_or_array,
5853 gst_value_free_list_or_array,
5854 gst_value_copy_list_or_array,
5855 gst_value_list_or_array_peek_pointer,
5857 gst_value_collect_list_or_array,
5859 gst_value_lcopy_list_or_array
5862 FUNC_VALUE_GET_TYPE (value_array, "GstValueArray");
5864 static const GTypeValueTable _gst_fraction_value_table = {
5865 gst_value_init_fraction,
5867 gst_value_copy_fraction,
5870 gst_value_collect_fraction,
5872 gst_value_lcopy_fraction
5875 FUNC_VALUE_GET_TYPE (fraction, "GstFraction");
5877 G_DEFINE_BOXED_TYPE (GstDateTime, gst_date_time,
5878 (GBoxedCopyFunc) gst_date_time_ref, (GBoxedFreeFunc) gst_date_time_unref);
5880 static const GTypeValueTable _gst_bitmask_value_table = {
5881 gst_value_init_bitmask,
5883 gst_value_copy_bitmask,
5886 gst_value_collect_bitmask,
5888 gst_value_lcopy_bitmask
5891 FUNC_VALUE_GET_TYPE (bitmask, "GstBitmask");
5894 gst_g_thread_get_type (void)
5896 #if GLIB_CHECK_VERSION(2,35,3)
5897 return G_TYPE_THREAD;
5899 static volatile gsize type_id = 0;
5901 if (g_once_init_enter (&type_id)) {
5903 g_boxed_type_register_static (g_intern_static_string ("GstGThread"),
5904 (GBoxedCopyFunc) g_thread_ref,
5905 (GBoxedFreeFunc) g_thread_unref);
5906 g_once_init_leave (&type_id, tmp);
5914 _priv_gst_value_initialize (void)
5916 gst_value_table = g_array_new (FALSE, FALSE, sizeof (GstValueTable));
5917 gst_value_hash = g_hash_table_new (NULL, NULL);
5918 gst_value_union_funcs = g_array_new (FALSE, FALSE,
5919 sizeof (GstValueUnionInfo));
5920 gst_value_intersect_funcs = g_array_new (FALSE, FALSE,
5921 sizeof (GstValueIntersectInfo));
5922 gst_value_subtract_funcs = g_array_new (FALSE, FALSE,
5923 sizeof (GstValueSubtractInfo));
5926 static GstValueTable gst_value = {
5928 gst_value_compare_int_range,
5929 gst_value_serialize_int_range,
5930 gst_value_deserialize_int_range,
5933 gst_value.type = gst_int_range_get_type ();
5934 gst_value_register (&gst_value);
5938 static GstValueTable gst_value = {
5940 gst_value_compare_int64_range,
5941 gst_value_serialize_int64_range,
5942 gst_value_deserialize_int64_range,
5945 gst_value.type = gst_int64_range_get_type ();
5946 gst_value_register (&gst_value);
5950 static GstValueTable gst_value = {
5952 gst_value_compare_double_range,
5953 gst_value_serialize_double_range,
5954 gst_value_deserialize_double_range,
5957 gst_value.type = gst_double_range_get_type ();
5958 gst_value_register (&gst_value);
5962 static GstValueTable gst_value = {
5964 gst_value_compare_fraction_range,
5965 gst_value_serialize_fraction_range,
5966 gst_value_deserialize_fraction_range,
5969 gst_value.type = gst_fraction_range_get_type ();
5970 gst_value_register (&gst_value);
5974 static GstValueTable gst_value = {
5976 gst_value_compare_list,
5977 gst_value_serialize_list,
5978 gst_value_deserialize_list,
5981 gst_value.type = gst_value_list_get_type ();
5982 gst_value_register (&gst_value);
5986 static GstValueTable gst_value = {
5988 gst_value_compare_array,
5989 gst_value_serialize_array,
5990 gst_value_deserialize_array,
5993 gst_value.type = gst_value_array_get_type ();
5994 gst_value_register (&gst_value);
5999 static const GTypeValueTable value_table = {
6000 gst_value_init_buffer,
6002 gst_value_copy_buffer,
6005 NULL, /*gst_value_collect_buffer, */
6007 NULL /*gst_value_lcopy_buffer */
6010 static GstValueTable gst_value = {
6012 gst_value_compare_buffer,
6013 gst_value_serialize_buffer,
6014 gst_value_deserialize_buffer,
6017 gst_value.type = GST_TYPE_BUFFER;
6018 gst_value_register (&gst_value);
6021 static GstValueTable gst_value = {
6023 gst_value_compare_sample,
6024 gst_value_serialize_sample,
6025 gst_value_deserialize_sample,
6028 gst_value.type = GST_TYPE_SAMPLE;
6029 gst_value_register (&gst_value);
6032 static GstValueTable gst_value = {
6034 gst_value_compare_fraction,
6035 gst_value_serialize_fraction,
6036 gst_value_deserialize_fraction,
6039 gst_value.type = gst_fraction_get_type ();
6040 gst_value_register (&gst_value);
6043 static GstValueTable gst_value = {
6046 gst_value_serialize_caps,
6047 gst_value_deserialize_caps,
6050 gst_value.type = GST_TYPE_CAPS;
6051 gst_value_register (&gst_value);
6054 static GstValueTable gst_value = {
6057 gst_value_serialize_segment,
6058 gst_value_deserialize_segment,
6061 gst_value.type = GST_TYPE_SEGMENT;
6062 gst_value_register (&gst_value);
6065 static GstValueTable gst_value = {
6068 gst_value_serialize_structure,
6069 gst_value_deserialize_structure,
6072 gst_value.type = GST_TYPE_STRUCTURE;
6073 gst_value_register (&gst_value);
6076 static GstValueTable gst_value = {
6079 gst_value_serialize_caps_features,
6080 gst_value_deserialize_caps_features,
6083 gst_value.type = GST_TYPE_CAPS_FEATURES;
6084 gst_value_register (&gst_value);
6087 static GstValueTable gst_value = {
6090 gst_value_serialize_tag_list,
6091 gst_value_deserialize_tag_list,
6094 gst_value.type = GST_TYPE_TAG_LIST;
6095 gst_value_register (&gst_value);
6098 static GstValueTable gst_value = {
6100 gst_value_compare_date,
6101 gst_value_serialize_date,
6102 gst_value_deserialize_date,
6105 gst_value.type = G_TYPE_DATE;
6106 gst_value_register (&gst_value);
6109 static GstValueTable gst_value = {
6111 gst_value_compare_date_time,
6112 gst_value_serialize_date_time,
6113 gst_value_deserialize_date_time,
6116 gst_value.type = gst_date_time_get_type ();
6117 gst_value_register (&gst_value);
6121 static GstValueTable gst_value = {
6123 gst_value_compare_bitmask,
6124 gst_value_serialize_bitmask,
6125 gst_value_deserialize_bitmask,
6128 gst_value.type = gst_bitmask_get_type ();
6129 gst_value_register (&gst_value);
6132 REGISTER_SERIALIZATION (G_TYPE_DOUBLE, double);
6133 REGISTER_SERIALIZATION (G_TYPE_FLOAT, float);
6135 REGISTER_SERIALIZATION (G_TYPE_STRING, string);
6136 REGISTER_SERIALIZATION (G_TYPE_BOOLEAN, boolean);
6137 REGISTER_SERIALIZATION (G_TYPE_ENUM, enum);
6139 REGISTER_SERIALIZATION (G_TYPE_FLAGS, flags);
6141 REGISTER_SERIALIZATION (G_TYPE_INT, int);
6143 REGISTER_SERIALIZATION (G_TYPE_INT64, int64);
6144 REGISTER_SERIALIZATION (G_TYPE_LONG, long);
6146 REGISTER_SERIALIZATION (G_TYPE_UINT, uint);
6147 REGISTER_SERIALIZATION (G_TYPE_UINT64, uint64);
6148 REGISTER_SERIALIZATION (G_TYPE_ULONG, ulong);
6150 REGISTER_SERIALIZATION (G_TYPE_UCHAR, uchar);
6152 g_value_register_transform_func (GST_TYPE_INT_RANGE, G_TYPE_STRING,
6153 gst_value_transform_int_range_string);
6154 g_value_register_transform_func (GST_TYPE_INT64_RANGE, G_TYPE_STRING,
6155 gst_value_transform_int64_range_string);
6156 g_value_register_transform_func (GST_TYPE_DOUBLE_RANGE, G_TYPE_STRING,
6157 gst_value_transform_double_range_string);
6158 g_value_register_transform_func (GST_TYPE_FRACTION_RANGE, G_TYPE_STRING,
6159 gst_value_transform_fraction_range_string);
6160 g_value_register_transform_func (GST_TYPE_LIST, G_TYPE_STRING,
6161 gst_value_transform_list_string);
6162 g_value_register_transform_func (GST_TYPE_ARRAY, G_TYPE_STRING,
6163 gst_value_transform_array_string);
6164 g_value_register_transform_func (GST_TYPE_FRACTION, G_TYPE_STRING,
6165 gst_value_transform_fraction_string);
6166 g_value_register_transform_func (G_TYPE_STRING, GST_TYPE_FRACTION,
6167 gst_value_transform_string_fraction);
6168 g_value_register_transform_func (GST_TYPE_FRACTION, G_TYPE_DOUBLE,
6169 gst_value_transform_fraction_double);
6170 g_value_register_transform_func (GST_TYPE_FRACTION, G_TYPE_FLOAT,
6171 gst_value_transform_fraction_float);
6172 g_value_register_transform_func (G_TYPE_DOUBLE, GST_TYPE_FRACTION,
6173 gst_value_transform_double_fraction);
6174 g_value_register_transform_func (G_TYPE_FLOAT, GST_TYPE_FRACTION,
6175 gst_value_transform_float_fraction);
6176 g_value_register_transform_func (G_TYPE_DATE, G_TYPE_STRING,
6177 gst_value_transform_date_string);
6178 g_value_register_transform_func (G_TYPE_STRING, G_TYPE_DATE,
6179 gst_value_transform_string_date);
6180 g_value_register_transform_func (GST_TYPE_OBJECT, G_TYPE_STRING,
6181 gst_value_transform_object_string);
6182 g_value_register_transform_func (GST_TYPE_BITMASK, G_TYPE_UINT64,
6183 gst_value_transform_bitmask_uint64);
6184 g_value_register_transform_func (GST_TYPE_BITMASK, G_TYPE_STRING,
6185 gst_value_transform_bitmask_string);
6186 g_value_register_transform_func (G_TYPE_UINT64, GST_TYPE_BITMASK,
6187 gst_value_transform_uint64_bitmask);
6188 g_value_register_transform_func (G_TYPE_STRING, GST_TYPE_BITMASK,
6189 gst_value_transform_string_bitmask);
6191 gst_value_register_intersect_func (G_TYPE_INT, GST_TYPE_INT_RANGE,
6192 gst_value_intersect_int_int_range);
6193 gst_value_register_intersect_func (GST_TYPE_INT_RANGE, GST_TYPE_INT_RANGE,
6194 gst_value_intersect_int_range_int_range);
6195 gst_value_register_intersect_func (G_TYPE_INT64, GST_TYPE_INT64_RANGE,
6196 gst_value_intersect_int64_int64_range);
6197 gst_value_register_intersect_func (GST_TYPE_INT64_RANGE, GST_TYPE_INT64_RANGE,
6198 gst_value_intersect_int64_range_int64_range);
6199 gst_value_register_intersect_func (G_TYPE_DOUBLE, GST_TYPE_DOUBLE_RANGE,
6200 gst_value_intersect_double_double_range);
6201 gst_value_register_intersect_func (GST_TYPE_DOUBLE_RANGE,
6202 GST_TYPE_DOUBLE_RANGE, gst_value_intersect_double_range_double_range);
6203 gst_value_register_intersect_func (GST_TYPE_ARRAY,
6204 GST_TYPE_ARRAY, gst_value_intersect_array);
6205 gst_value_register_intersect_func (GST_TYPE_FRACTION, GST_TYPE_FRACTION_RANGE,
6206 gst_value_intersect_fraction_fraction_range);
6207 gst_value_register_intersect_func (GST_TYPE_FRACTION_RANGE,
6208 GST_TYPE_FRACTION_RANGE,
6209 gst_value_intersect_fraction_range_fraction_range);
6211 gst_value_register_subtract_func (G_TYPE_INT, GST_TYPE_INT_RANGE,
6212 gst_value_subtract_int_int_range);
6213 gst_value_register_subtract_func (GST_TYPE_INT_RANGE, G_TYPE_INT,
6214 gst_value_subtract_int_range_int);
6215 gst_value_register_subtract_func (GST_TYPE_INT_RANGE, GST_TYPE_INT_RANGE,
6216 gst_value_subtract_int_range_int_range);
6217 gst_value_register_subtract_func (G_TYPE_INT64, GST_TYPE_INT64_RANGE,
6218 gst_value_subtract_int64_int64_range);
6219 gst_value_register_subtract_func (GST_TYPE_INT64_RANGE, G_TYPE_INT64,
6220 gst_value_subtract_int64_range_int64);
6221 gst_value_register_subtract_func (GST_TYPE_INT64_RANGE, GST_TYPE_INT64_RANGE,
6222 gst_value_subtract_int64_range_int64_range);
6223 gst_value_register_subtract_func (G_TYPE_DOUBLE, GST_TYPE_DOUBLE_RANGE,
6224 gst_value_subtract_double_double_range);
6225 gst_value_register_subtract_func (GST_TYPE_DOUBLE_RANGE, G_TYPE_DOUBLE,
6226 gst_value_subtract_double_range_double);
6227 gst_value_register_subtract_func (GST_TYPE_DOUBLE_RANGE,
6228 GST_TYPE_DOUBLE_RANGE, gst_value_subtract_double_range_double_range);
6229 gst_value_register_subtract_func (GST_TYPE_FRACTION, GST_TYPE_FRACTION_RANGE,
6230 gst_value_subtract_fraction_fraction_range);
6231 gst_value_register_subtract_func (GST_TYPE_FRACTION_RANGE, GST_TYPE_FRACTION,
6232 gst_value_subtract_fraction_range_fraction);
6233 gst_value_register_subtract_func (GST_TYPE_FRACTION_RANGE,
6234 GST_TYPE_FRACTION_RANGE,
6235 gst_value_subtract_fraction_range_fraction_range);
6237 /* see bug #317246, #64994, #65041 */
6239 volatile GType date_type = G_TYPE_DATE;
6241 g_type_name (date_type);
6244 gst_value_register_union_func (G_TYPE_INT, GST_TYPE_INT_RANGE,
6245 gst_value_union_int_int_range);
6246 gst_value_register_union_func (GST_TYPE_INT_RANGE, GST_TYPE_INT_RANGE,
6247 gst_value_union_int_range_int_range);
6250 /* Implement these if needed */
6251 gst_value_register_union_func (GST_TYPE_FRACTION, GST_TYPE_FRACTION_RANGE,
6252 gst_value_union_fraction_fraction_range);
6253 gst_value_register_union_func (GST_TYPE_FRACTION_RANGE,
6254 GST_TYPE_FRACTION_RANGE, gst_value_union_fraction_range_fraction_range);