* <title>Creating caps</title>
* <programlisting>
* GstCaps *caps;
- * caps = gst_caps_new_simple ("video/x-raw-yuv",
- * "format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('I', '4', '2', '0'),
+ * caps = gst_caps_new_simple ("video/x-raw",
+ * "format", G_TYPE_STRING, "I420"),
* "framerate", GST_TYPE_FRACTION, 25, 1,
* "pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1,
* "width", G_TYPE_INT, 320,
#include <gst/gst.h>
#include <gobject/gvaluecollector.h>
-#ifdef GST_DISABLE_DEPRECATED
-#if !defined(GST_DISABLE_LOADSAVE) && !defined(GST_REMOVE_DEPRECATED)
-#include <libxml/parser.h>
-xmlNodePtr gst_caps_save_thyself (const GstCaps * caps, xmlNodePtr parent);
-GstCaps *gst_caps_load_thyself (xmlNodePtr parent);
-#endif
-#endif
-
#define DEBUG_REFCOUNT
-#define CAPS_POISON(caps) G_STMT_START{ \
- if (caps) { \
- GstCaps *_newcaps = gst_caps_copy (caps); \
- gst_caps_unref(caps); \
- caps = _newcaps; \
- } \
-} G_STMT_END
-#define STRUCTURE_POISON(structure) G_STMT_START{ \
- if (structure) { \
- GstStructure *_newstruct = gst_structure_copy (structure); \
- gst_structure_free(structure); \
- structure = _newstruct; \
- } \
-} G_STMT_END
+typedef struct _GstCapsImpl
+{
+ GstCaps caps;
+
+ GPtrArray *array;
+} GstCapsImpl;
+
+#define GST_CAPS_ARRAY(c) (((GstCapsImpl *)(c))->array)
+
+#define GST_CAPS_LEN(c) (GST_CAPS_ARRAY(c)->len)
+
#define IS_WRITABLE(caps) \
- (g_atomic_int_get (&(caps)->refcount) == 1)
+ (GST_CAPS_REFCOUNT_VALUE (caps) == 1)
/* same as gst_caps_is_any () */
#define CAPS_IS_ANY(caps) \
- ((caps)->flags & GST_CAPS_FLAGS_ANY)
+ (GST_CAPS_FLAGS(caps) & GST_CAPS_FLAG_ANY)
/* same as gst_caps_is_empty () */
#define CAPS_IS_EMPTY(caps) \
(!CAPS_IS_ANY(caps) && CAPS_IS_EMPTY_SIMPLE(caps))
#define CAPS_IS_EMPTY_SIMPLE(caps) \
- (((caps)->structs == NULL) || ((caps)->structs->len == 0))
+ ((GST_CAPS_ARRAY (caps) == NULL) || (GST_CAPS_LEN (caps) == 0))
/* quick way to get a caps structure at an index without doing a type or array
* length check */
#define gst_caps_get_structure_unchecked(caps, index) \
- ((GstStructure *)g_ptr_array_index ((caps)->structs, (index)))
+ ((GstStructure *)g_ptr_array_index (GST_CAPS_ARRAY (caps), (index)))
/* quick way to append a structure without checking the args */
#define gst_caps_append_structure_unchecked(caps, structure) G_STMT_START{\
GstStructure *__s=structure; \
- gst_structure_set_parent_refcount (__s, &caps->refcount); \
- g_ptr_array_add (caps->structs, __s); \
+ if (gst_structure_set_parent_refcount (__s, &GST_MINI_OBJECT_REFCOUNT(caps))) \
+ g_ptr_array_add (GST_CAPS_ARRAY (caps), __s); \
}G_STMT_END
/* lock to protect multiple invocations of static caps to caps conversion */
GValue * dest_value);
static gboolean gst_caps_from_string_inplace (GstCaps * caps,
const gchar * string);
-static GstCaps *gst_caps_copy_conditional (GstCaps * src);
-GType
-gst_caps_get_type (void)
+GType _gst_caps_type = 0;
+GstCaps *_gst_caps_any;
+GstCaps *_gst_caps_none;
+
+GST_DEFINE_MINI_OBJECT_TYPE (GstCaps, gst_caps);
+
+void
+_priv_gst_caps_initialize (void)
{
- static GType gst_caps_type = 0;
+ _gst_caps_type = gst_caps_get_type ();
- if (G_UNLIKELY (gst_caps_type == 0)) {
- gst_caps_type = g_boxed_type_register_static ("GstCaps",
- (GBoxedCopyFunc) gst_caps_copy_conditional,
- (GBoxedFreeFunc) gst_caps_unref);
+ _gst_caps_any = gst_caps_new_any ();
+ _gst_caps_none = gst_caps_new_empty ();
- g_value_register_transform_func (gst_caps_type,
- G_TYPE_STRING, gst_caps_transform_to_string);
+ g_value_register_transform_func (_gst_caps_type,
+ G_TYPE_STRING, gst_caps_transform_to_string);
+}
+
+static GstCaps *
+_gst_caps_copy (const GstCaps * caps)
+{
+ GstCaps *newcaps;
+ GstStructure *structure;
+ guint i, n;
+
+ g_return_val_if_fail (GST_IS_CAPS (caps), NULL);
+
+ newcaps = gst_caps_new_empty ();
+ GST_CAPS_FLAGS (newcaps) = GST_CAPS_FLAGS (caps);
+ n = GST_CAPS_LEN (caps);
+
+ for (i = 0; i < n; i++) {
+ structure = gst_caps_get_structure_unchecked (caps, i);
+ gst_caps_append_structure (newcaps, gst_structure_copy (structure));
}
- return gst_caps_type;
+ return newcaps;
}
/* creation/deletion */
+static void
+_gst_caps_free (GstCaps * caps)
+{
+ GstStructure *structure;
+ guint i, len;
+
+ /* The refcount must be 0, but since we're only called by gst_caps_unref,
+ * don't bother testing. */
+ len = GST_CAPS_LEN (caps);
+ /* This can be used to get statistics about caps sizes */
+ /*GST_CAT_INFO (GST_CAT_CAPS, "caps size: %d", len); */
+ for (i = 0; i < len; i++) {
+ structure = (GstStructure *) gst_caps_get_structure_unchecked (caps, i);
+ gst_structure_set_parent_refcount (structure, NULL);
+ gst_structure_free (structure);
+ }
+ g_ptr_array_free (GST_CAPS_ARRAY (caps), TRUE);
+
+#ifdef DEBUG_REFCOUNT
+ GST_CAT_LOG (GST_CAT_CAPS, "freeing caps %p", caps);
+#endif
+ g_slice_free1 (GST_MINI_OBJECT_SIZE (caps), caps);
+}
+
+static void
+gst_caps_init (GstCaps * caps, gsize size)
+{
+ gst_mini_object_init (GST_MINI_OBJECT_CAST (caps), _gst_caps_type, size);
+
+ caps->mini_object.copy = (GstMiniObjectCopyFunction) _gst_caps_copy;
+ caps->mini_object.dispose = NULL;
+ caps->mini_object.free = (GstMiniObjectFreeFunction) _gst_caps_free;
+
+ /* the 32 has been determined by logging caps sizes in _gst_caps_free
+ * but g_ptr_array uses 16 anyway if it expands once, so this does not help
+ * in practise
+ * GST_CAPS_ARRAY (caps) = g_ptr_array_sized_new (32);
+ */
+ GST_CAPS_ARRAY (caps) = g_ptr_array_new ();
+}
/**
* gst_caps_new_empty:
GstCaps *
gst_caps_new_empty (void)
{
- GstCaps *caps = g_slice_new (GstCaps);
+ GstCaps *caps;
- caps->type = GST_TYPE_CAPS;
- caps->refcount = 1;
- caps->flags = GST_CAPS_FLAGS_NONE;
- caps->structs = g_ptr_array_new ();
- /* the 32 has been determined by logging caps sizes in _gst_caps_free
- * but g_ptr_array uses 16 anyway if it expands once, so this does not help
- * in practise
- * caps->structs = g_ptr_array_sized_new (32);
- */
+ caps = (GstCaps *) g_slice_new (GstCapsImpl);
+
+ gst_caps_init (caps, sizeof (GstCapsImpl));
#ifdef DEBUG_REFCOUNT
GST_CAT_TRACE (GST_CAT_CAPS, "created caps %p", caps);
{
GstCaps *caps = gst_caps_new_empty ();
- caps->flags = GST_CAPS_FLAGS_ANY;
+ GST_CAPS_FLAG_SET (caps, GST_CAPS_FLAG_ANY);
+
+ return caps;
+}
+
+/**
+ * gst_caps_new_empty_simple:
+ * @media_type: the media type of the structure
+ *
+ * Creates a new #GstCaps that contains one #GstStructure with name
+ * @media_type.
+ * Caller is responsible for unreffing the returned caps.
+ *
+ * Returns: (transfer full): the new #GstCaps
+ */
+GstCaps *
+gst_caps_new_empty_simple (const char *media_type)
+{
+ GstCaps *caps;
+ GstStructure *structure;
+
+ caps = gst_caps_new_empty ();
+ structure = gst_structure_new_empty (media_type);
+ if (structure)
+ gst_caps_append_structure_unchecked (caps, structure);
return caps;
}
return caps;
}
-/**
- * gst_caps_copy:
- * @caps: the #GstCaps to copy
- *
- * Creates a new #GstCaps as a copy of the old @caps. The new caps will have a
- * refcount of 1, owned by the caller. The structures are copied as well.
- *
- * Note that this function is the semantic equivalent of a gst_caps_ref()
- * followed by a gst_caps_make_writable(). If you only want to hold on to a
- * reference to the data, you should use gst_caps_ref().
- *
- * When you are finished with the caps, call gst_caps_unref() on it.
- *
- * Returns: (transfer full): the new #GstCaps
- */
-GstCaps *
-gst_caps_copy (const GstCaps * caps)
-{
- GstCaps *newcaps;
- GstStructure *structure;
- guint i, n;
-
- g_return_val_if_fail (GST_IS_CAPS (caps), NULL);
-
- newcaps = gst_caps_new_empty ();
- newcaps->flags = caps->flags;
- n = caps->structs->len;
-
- for (i = 0; i < n; i++) {
- structure = gst_caps_get_structure_unchecked (caps, i);
- gst_caps_append_structure_unchecked (newcaps,
- gst_structure_copy (structure));
- }
-
- return newcaps;
-}
-
-static void
-_gst_caps_free (GstCaps * caps)
-{
- GstStructure *structure;
- guint i, len;
-
- /* The refcount must be 0, but since we're only called by gst_caps_unref,
- * don't bother testing. */
- len = caps->structs->len;
- /* This can be used to get statistics about caps sizes */
- /*GST_CAT_INFO (GST_CAT_CAPS, "caps size: %d", len); */
- for (i = 0; i < len; i++) {
- structure = (GstStructure *) gst_caps_get_structure_unchecked (caps, i);
- gst_structure_set_parent_refcount (structure, NULL);
- gst_structure_free (structure);
- }
- g_ptr_array_free (caps->structs, TRUE);
-#ifdef USE_POISONING
- memset (caps, 0xff, sizeof (GstCaps));
-#endif
-
-#ifdef DEBUG_REFCOUNT
- GST_CAT_TRACE (GST_CAT_CAPS, "freeing caps %p", caps);
-#endif
- g_slice_free (GstCaps, caps);
-}
-
-/**
- * gst_caps_make_writable:
- * @caps: (transfer full): the #GstCaps to make writable
- *
- * Returns a writable copy of @caps.
- *
- * If there is only one reference count on @caps, the caller must be the owner,
- * and so this function will return the caps object unchanged. If on the other
- * hand there is more than one reference on the object, a new caps object will
- * be returned. The caller's reference on @caps will be removed, and instead the
- * caller will own a reference to the returned object.
- *
- * In short, this function unrefs the caps in the argument and refs the caps
- * that it returns. Don't access the argument after calling this function. See
- * also: gst_caps_ref().
- *
- * Returns: (transfer full): the same #GstCaps object.
- */
-GstCaps *
-gst_caps_make_writable (GstCaps * caps)
-{
- GstCaps *copy;
-
- g_return_val_if_fail (caps != NULL, NULL);
-
- /* we are the only instance reffing this caps */
- if (IS_WRITABLE (caps))
- return caps;
-
- /* else copy */
- GST_CAT_DEBUG (GST_CAT_PERFORMANCE, "copy caps");
- copy = gst_caps_copy (caps);
- gst_caps_unref (caps);
-
- return copy;
-}
-
-/**
- * gst_caps_ref:
- * @caps: the #GstCaps to reference
- *
- * Add a reference to a #GstCaps object.
- *
- * From this point on, until the caller calls gst_caps_unref() or
- * gst_caps_make_writable(), it is guaranteed that the caps object will not
- * change. This means its structures won't change, etc. To use a #GstCaps
- * object, you must always have a refcount on it -- either the one made
- * implicitly by e.g. gst_caps_new_simple(), or via taking one explicitly with
- * this function.
- *
- * Returns: (transfer full): the same #GstCaps object.
- */
-GstCaps *
-gst_caps_ref (GstCaps * caps)
-{
- g_return_val_if_fail (caps != NULL, NULL);
-
-#ifdef DEBUG_REFCOUNT
- GST_CAT_TRACE (GST_CAT_REFCOUNTING, "%p %d->%d", caps,
- GST_CAPS_REFCOUNT_VALUE (caps), GST_CAPS_REFCOUNT_VALUE (caps) + 1);
-#endif
- g_return_val_if_fail (GST_CAPS_REFCOUNT_VALUE (caps) > 0, NULL);
-
- g_atomic_int_inc (&caps->refcount);
-
- return caps;
-}
-
-/**
- * gst_caps_unref:
- * @caps: (transfer full): the #GstCaps to unref
- *
- * Unref a #GstCaps and free all its structures and the
- * structures' values when the refcount reaches 0.
- */
-void
-gst_caps_unref (GstCaps * caps)
-{
- g_return_if_fail (caps != NULL);
-
-#ifdef DEBUG_REFCOUNT
- GST_CAT_TRACE (GST_CAT_REFCOUNTING, "%p %d->%d", caps,
- GST_CAPS_REFCOUNT_VALUE (caps), GST_CAPS_REFCOUNT_VALUE (caps) - 1);
-#endif
-
- g_return_if_fail (GST_CAPS_REFCOUNT_VALUE (caps) > 0);
-
- /* if we ended up with the refcount at zero, free the caps */
- if (G_UNLIKELY (g_atomic_int_dec_and_test (&caps->refcount)))
- _gst_caps_free (caps);
-}
-
GType
gst_static_caps_get_type (void)
{
return staticcaps_type;
}
-
/**
* gst_static_caps_get:
* @static_caps: the #GstStaticCaps to convert
GstCaps *
gst_static_caps_get (GstStaticCaps * static_caps)
{
- GstCaps *caps;
+ GstCaps **caps;
g_return_val_if_fail (static_caps != NULL, NULL);
- caps = (GstCaps *) static_caps;
+ caps = &static_caps->caps;
/* refcount is 0 when we need to convert */
- if (G_UNLIKELY (g_atomic_int_get (&caps->refcount) == 0)) {
+ if (G_UNLIKELY (*caps == NULL)) {
const char *string;
- GstCaps temp;
G_LOCK (static_caps_lock);
/* check if other thread already updated */
- if (G_UNLIKELY (g_atomic_int_get (&caps->refcount) > 0))
+ if (G_UNLIKELY (*caps != NULL))
goto done;
string = static_caps->string;
if (G_UNLIKELY (string == NULL))
goto no_string;
- GST_CAT_TRACE (GST_CAT_CAPS, "creating %p", static_caps);
-
- /* we construct the caps on the stack, then copy over the struct into our
- * real caps, refcount last. We do this because we must leave the refcount
- * of the result caps to 0 so that other threads don't run away with the
- * caps while we are constructing it. */
- temp.type = GST_TYPE_CAPS;
- temp.flags = GST_CAPS_FLAGS_NONE;
- temp.structs = g_ptr_array_new ();
-
- /* initialize the caps to a refcount of 1 so the caps can be writable for
- * the next statement */
- temp.refcount = 1;
+ *caps = gst_caps_from_string (string);
/* convert to string */
- if (G_UNLIKELY (!gst_caps_from_string_inplace (&temp, string)))
+ if (G_UNLIKELY (*caps == NULL))
g_critical ("Could not convert static caps \"%s\"", string);
- /* now copy stuff over to the real caps. */
- caps->type = temp.type;
- caps->flags = temp.flags;
- caps->structs = temp.structs;
- /* and bump the refcount so other threads can now read */
- g_atomic_int_set (&caps->refcount, 1);
-
- GST_CAT_TRACE (GST_CAT_CAPS, "created %p", static_caps);
+ GST_CAT_TRACE (GST_CAT_CAPS, "created %p from string %s", static_caps,
+ string);
done:
G_UNLOCK (static_caps_lock);
}
/* ref the caps, makes it not writable */
- gst_caps_ref (caps);
+ if (G_LIKELY (*caps != NULL))
+ gst_caps_ref (*caps);
- return caps;
+ return *caps;
/* ERRORS */
no_string:
}
}
+/**
+ * gst_static_caps_cleanup:
+ * @static_caps: the #GstStaticCaps to clean
+ *
+ * Clean up the cached caps contained in @static_caps.
+ */
+void
+gst_static_caps_cleanup (GstStaticCaps * static_caps)
+{
+ G_LOCK (static_caps_lock);
+ gst_caps_replace (&static_caps->caps, NULL);
+ G_UNLOCK (static_caps_lock);
+}
+
/* manipulation */
static GstStructure *
gst_caps_remove_and_get_structure (GstCaps * caps, guint idx)
{
/* don't use index_fast, gst_caps_do_simplify relies on the order */
- GstStructure *s = g_ptr_array_remove_index (caps->structs, idx);
+ GstStructure *s = g_ptr_array_remove_index (GST_CAPS_ARRAY (caps), idx);
gst_structure_set_parent_refcount (s, NULL);
return s;
g_return_val_if_fail (caps != NULL, NULL);
g_return_val_if_fail (IS_WRITABLE (caps), NULL);
- if (G_UNLIKELY (index >= caps->structs->len))
+ if (G_UNLIKELY (index >= GST_CAPS_LEN (caps)))
return NULL;
return gst_caps_remove_and_get_structure (caps, index);
caps2 = gst_caps_make_writable (caps2);
-#ifdef USE_POISONING
- CAPS_POISON (caps2);
-#endif
if (G_UNLIKELY (CAPS_IS_ANY (caps1) || CAPS_IS_ANY (caps2))) {
/* FIXME: this leaks */
- caps1->flags |= GST_CAPS_FLAGS_ANY;
- for (i = caps2->structs->len - 1; i >= 0; i--) {
+ GST_CAPS_FLAGS (caps1) |= GST_CAPS_FLAG_ANY;
+ for (i = GST_CAPS_LEN (caps2) - 1; i >= 0; i--) {
structure = gst_caps_remove_and_get_structure (caps2, i);
gst_structure_free (structure);
}
} else {
- for (i = caps2->structs->len; i; i--) {
+ for (i = GST_CAPS_LEN (caps2); i; i--) {
structure = gst_caps_remove_and_get_structure (caps2, 0);
gst_caps_append_structure_unchecked (caps1, structure);
}
caps2 = gst_caps_make_writable (caps2);
-#ifdef USE_POISONING
- CAPS_POISON (caps2);
-#endif
if (G_UNLIKELY (CAPS_IS_ANY (caps1))) {
- for (i = caps2->structs->len - 1; i >= 0; i--) {
+ for (i = GST_CAPS_LEN (caps2) - 1; i >= 0; i--) {
structure = gst_caps_remove_and_get_structure (caps2, i);
gst_structure_free (structure);
}
} else if (G_UNLIKELY (CAPS_IS_ANY (caps2))) {
- caps1->flags |= GST_CAPS_FLAGS_ANY;
- for (i = caps1->structs->len - 1; i >= 0; i--) {
+ GST_CAPS_FLAGS (caps1) |= GST_CAPS_FLAG_ANY;
+ for (i = GST_CAPS_LEN (caps1) - 1; i >= 0; i--) {
structure = gst_caps_remove_and_get_structure (caps1, i);
gst_structure_free (structure);
}
} else {
- for (i = caps2->structs->len; i; i--) {
+ for (i = GST_CAPS_LEN (caps2); i; i--) {
structure = gst_caps_remove_and_get_structure (caps2, 0);
gst_caps_merge_structure (caps1, structure);
}
g_return_if_fail (IS_WRITABLE (caps));
if (G_LIKELY (structure)) {
- g_return_if_fail (structure->parent_refcount == NULL);
-#if 0
-#ifdef USE_POISONING
- STRUCTURE_POISON (structure);
-#endif
-#endif
gst_caps_append_structure_unchecked (caps, structure);
}
}
int i;
gboolean unique = TRUE;
- g_return_if_fail (structure->parent_refcount == NULL);
-#if 0
-#ifdef USE_POISONING
- STRUCTURE_POISON (structure);
-#endif
-#endif
/* check each structure */
- for (i = caps->structs->len - 1; i >= 0; i--) {
+ for (i = GST_CAPS_LEN (caps) - 1; i >= 0; i--) {
structure1 = gst_caps_get_structure_unchecked (caps, i);
/* if structure is a subset of structure1, then skip it */
if (gst_structure_is_subset (structure, structure1)) {
{
g_return_val_if_fail (GST_IS_CAPS (caps), 0);
- return caps->structs->len;
+ return GST_CAPS_LEN (caps);
}
/**
gst_caps_get_structure (const GstCaps * caps, guint index)
{
g_return_val_if_fail (GST_IS_CAPS (caps), NULL);
- g_return_val_if_fail (index < caps->structs->len, NULL);
+ g_return_val_if_fail (index < GST_CAPS_LEN (caps), NULL);
return gst_caps_get_structure_unchecked (caps, index);
}
g_return_val_if_fail (GST_IS_CAPS (caps), NULL);
newcaps = gst_caps_new_empty ();
- newcaps->flags = caps->flags;
+ GST_CAPS_FLAGS (newcaps) = GST_CAPS_FLAGS (caps);
- if (G_LIKELY (caps->structs->len > nth)) {
+ if (G_LIKELY (GST_CAPS_LEN (caps) > nth)) {
structure = gst_caps_get_structure_unchecked (caps, nth);
gst_caps_append_structure_unchecked (newcaps,
gst_structure_copy (structure));
g_return_if_fail (GST_IS_CAPS (caps));
g_return_if_fail (IS_WRITABLE (caps));
- i = caps->structs->len - 1;
+ i = GST_CAPS_LEN (caps) - 1;
while (i > 0)
gst_caps_remove_structure (caps, i--);
g_return_if_fail (field != NULL);
g_return_if_fail (G_IS_VALUE (value));
- len = caps->structs->len;
+ len = GST_CAPS_LEN (caps);
for (i = 0; i < len; i++) {
GstStructure *structure = gst_caps_get_structure_unchecked (caps, i);
gst_structure_set_value (structure, field, value);
type = va_arg (varargs, GType);
- if (G_UNLIKELY (type == G_TYPE_DATE)) {
- g_warning ("Don't use G_TYPE_DATE, use GST_TYPE_DATE instead\n");
- type = GST_TYPE_DATE;
- }
G_VALUE_COLLECT_INIT (&value, type, varargs, 0, &err);
if (G_UNLIKELY (err)) {
g_critical ("%s", err);
g_return_val_if_fail (GST_IS_CAPS (caps), FALSE);
- if (caps->structs->len != 1)
+ if (GST_CAPS_LEN (caps) != 1)
return FALSE;
structure = gst_caps_get_structure_unchecked (caps, 0);
if (CAPS_IS_ANY (subset) || CAPS_IS_EMPTY (superset))
return FALSE;
- for (i = subset->structs->len - 1; i >= 0; i--) {
- for (j = superset->structs->len - 1; j >= 0; j--) {
+ for (i = GST_CAPS_LEN (subset) - 1; i >= 0; i--) {
+ for (j = GST_CAPS_LEN (superset) - 1; j >= 0; j--) {
s1 = gst_caps_get_structure_unchecked (subset, i);
s2 = gst_caps_get_structure_unchecked (superset, j);
if (gst_structure_is_subset (s1, s2)) {
*
* Returns: %TRUE if @structure is a subset of @caps
*
- * Since: 0.10.35
+ * Since: 0.10.36
*/
gboolean
gst_caps_is_subset_structure (const GstCaps * caps,
if (CAPS_IS_EMPTY (caps))
return FALSE;
- for (i = caps->structs->len - 1; i >= 0; i--) {
+ for (i = GST_CAPS_LEN (caps) - 1; i >= 0; i--) {
s = gst_caps_get_structure_unchecked (caps, i);
if (gst_structure_is_subset (structure, s)) {
/* If we found a superset return TRUE */
if (G_UNLIKELY (caps1 == NULL || caps2 == NULL))
return FALSE;
- if (caps1->structs->len != caps2->structs->len)
+ if (GST_CAPS_LEN (caps1) != GST_CAPS_LEN (caps2))
return FALSE;
- for (i = 0; i < caps1->structs->len; i++) {
+ for (i = 0; i < GST_CAPS_LEN (caps1); i++) {
if (!gst_structure_is_equal (gst_caps_get_structure_unchecked (caps1, i),
gst_caps_get_structure_unchecked (caps2, i)))
return FALSE;
* structures. The result is that the intersections are ordered based on the
* sum of the indexes in the list.
*/
- len1 = caps1->structs->len;
- len2 = caps2->structs->len;
+ len1 = GST_CAPS_LEN (caps1);
+ len2 = GST_CAPS_LEN (caps2);
for (i = 0; i < len1 + len2 - 1; i++) {
/* superset index goes from 0 to sgst_caps_structure_intersectuperset->structs->len-1 */
j = MIN (i, len1 - 1);
/* caps are exactly the same pointers, just copy one caps */
if (G_UNLIKELY (caps1 == caps2))
- return gst_caps_copy (caps1);
+ return _gst_caps_copy (caps1);
/* empty caps on either side, return empty */
if (G_UNLIKELY (CAPS_IS_EMPTY (caps1) || CAPS_IS_EMPTY (caps2)))
/* one of the caps is any, just copy the other caps */
if (G_UNLIKELY (CAPS_IS_ANY (caps1)))
- return gst_caps_copy (caps2);
+ return _gst_caps_copy (caps2);
if (G_UNLIKELY (CAPS_IS_ANY (caps2)))
- return gst_caps_copy (caps1);
+ return _gst_caps_copy (caps1);
dest = gst_caps_new_empty ();
* the structures diagonally down, then we iterate over the caps2
* structures.
*/
- len1 = caps1->structs->len;
- len2 = caps2->structs->len;
+ len1 = GST_CAPS_LEN (caps1);
+ len2 = GST_CAPS_LEN (caps2);
for (i = 0; i < len1 + len2 - 1; i++) {
- /* caps1 index goes from 0 to caps1->structs->len-1 */
+ /* caps1 index goes from 0 to GST_CAPS_LEN (caps1)-1 */
j = MIN (i, len1 - 1);
- /* caps2 index stays 0 until i reaches caps1->structs->len, then it counts
- * up from 1 to caps2->structs->len - 1 */
+ /* caps2 index stays 0 until i reaches GST_CAPS_LEN (caps1), then it counts
+ * up from 1 to GST_CAPS_LEN (caps2) - 1 */
k = (i > j) ? (i - j) : 0; /* MAX (0, i - j) */
/* now run the diagonal line, end condition is the left or bottom
dest = gst_caps_new_empty ();
- len1 = caps1->structs->len;
- len2 = caps2->structs->len;
+ len1 = GST_CAPS_LEN (caps1);
+ len2 = GST_CAPS_LEN (caps2);
for (i = 0; i < len1; i++) {
struct1 = gst_caps_get_structure_unchecked (caps1, i);
for (j = 0; j < len2; j++) {
return gst_caps_new_empty ();
}
if (CAPS_IS_EMPTY_SIMPLE (subtrahend))
- return gst_caps_copy (minuend);
+ return _gst_caps_copy (minuend);
/* FIXME: Do we want this here or above?
The reason we need this is that there is no definition about what
You can only remove everything or nothing and that is done above.
Note: there's a test that checks this behaviour. */
g_return_val_if_fail (!CAPS_IS_ANY (minuend), NULL);
- sublen = subtrahend->structs->len;
+ sublen = GST_CAPS_LEN (subtrahend);
g_assert (sublen > 0);
- src = gst_caps_copy (minuend);
+ src = _gst_caps_copy (minuend);
for (i = 0; i < sublen; i++) {
guint srclen;
src = dest;
}
dest = gst_caps_new_empty ();
- srclen = src->structs->len;
+ srclen = GST_CAPS_LEN (src);
for (j = 0; j < srclen; j++) {
min = gst_caps_get_structure_unchecked (src, j);
if (gst_structure_get_name_id (min) == gst_structure_get_name_id (sub)) {
if (struct1->name != struct2->name)
return NULL;
- dest = gst_structure_id_empty_new (struct1->name);
+ dest = gst_structure_new_id_empty (struct1->name);
for (i = 0; i < struct1->fields->len; i++) {
GValue dest_value = { 0 };
g_return_val_if_fail (caps2 != NULL, NULL);
if (CAPS_IS_EMPTY (caps1))
- return gst_caps_copy (caps2);
+ return _gst_caps_copy (caps2);
if (CAPS_IS_EMPTY (caps2))
- return gst_caps_copy (caps1);
+ return _gst_caps_copy (caps1);
if (CAPS_IS_ANY (caps1) || CAPS_IS_ANY (caps2))
return gst_caps_new_any ();
- dest1 = gst_caps_copy (caps1);
- dest2 = gst_caps_copy (caps2);
+ dest1 = _gst_caps_copy (caps1);
+ dest2 = _gst_caps_copy (caps2);
gst_caps_append (dest1, dest2);
gst_caps_do_simplify (dest1);
g_return_val_if_fail (GST_IS_CAPS (caps), NULL);
- newcaps = gst_caps_copy (caps);
+ newcaps = _gst_caps_copy (caps);
nf.caps = newcaps;
for (i = 0; i < gst_caps_get_size (newcaps); i++) {
{
gst_structure_set_parent_refcount (old, NULL);
gst_structure_free (old);
- gst_structure_set_parent_refcount (new, &caps->refcount);
- g_ptr_array_index (caps->structs, i) = new;
+ gst_structure_set_parent_refcount (new, &GST_CAPS_REFCOUNT (caps));
+ g_ptr_array_index (GST_CAPS_ARRAY (caps), i) = new;
}
/**
if (gst_caps_get_size (caps) < 2)
return FALSE;
- g_ptr_array_sort (caps->structs, gst_caps_compare_structures);
+ g_ptr_array_sort (GST_CAPS_ARRAY (caps), gst_caps_compare_structures);
- start = caps->structs->len - 1;
- for (i = caps->structs->len - 1; i >= 0; i--) {
+ start = GST_CAPS_LEN (caps) - 1;
+ for (i = GST_CAPS_LEN (caps) - 1; i >= 0; i--) {
simplify = gst_caps_get_structure_unchecked (caps, i);
if (gst_structure_get_name_id (simplify) !=
gst_structure_get_name_id (gst_caps_get_structure_unchecked (caps,
return TRUE;
}
-/* persistence */
-
-#if !defined(GST_DISABLE_LOADSAVE) && !defined(GST_REMOVE_DEPRECATED)
/**
- * gst_caps_save_thyself:
- * @caps: a #GstCaps structure
- * @parent: a XML parent node
- *
- * Serializes a #GstCaps to XML and adds it as a child node of @parent.
+ * gst_caps_fixate:
+ * @caps: a #GstCaps to fixate
*
- * Returns: a XML node pointer
+ * Modifies the given @caps inplace into a representation with only fixed
+ * values. First the caps will be truncated and then the first structure will be
+ * fixated with gst_structure_fixate(). @caps should be writable.
*/
-xmlNodePtr
-gst_caps_save_thyself (const GstCaps * caps, xmlNodePtr parent)
+void
+gst_caps_fixate (GstCaps * caps)
{
- char *s = gst_caps_to_string (caps);
-
- xmlNewChild (parent, NULL, (xmlChar *) "caps", (xmlChar *) s);
- g_free (s);
- return parent;
-}
+ GstStructure *s;
-/**
- * gst_caps_load_thyself:
- * @parent: a XML node
- *
- * Creates a #GstCaps from its XML serialization.
- *
- * Returns: a new #GstCaps structure
- */
-GstCaps *
-gst_caps_load_thyself (xmlNodePtr parent)
-{
- if (strcmp ("caps", (char *) parent->name) == 0) {
- return gst_caps_from_string ((gchar *) xmlNodeGetContent (parent));
- }
+ g_return_if_fail (GST_IS_CAPS (caps));
+ g_return_if_fail (IS_WRITABLE (caps));
- return NULL;
+ /* default fixation */
+ gst_caps_truncate (caps);
+ s = gst_caps_get_structure (caps, 0);
+ gst_structure_fixate (s);
}
-#endif
/* utility */
/**
- * gst_caps_replace:
- * @caps: (inout) (transfer full): a pointer to #GstCaps
- * @newcaps: a #GstCaps to replace *caps
- *
- * Replaces *caps with @newcaps. Unrefs the #GstCaps in the location
- * pointed to by @caps, if applicable, then modifies @caps to point to
- * @newcaps. An additional ref on @newcaps is taken.
- *
- * This function does not take any locks so you might want to lock
- * the object owning @caps pointer.
- */
-void
-gst_caps_replace (GstCaps ** caps, GstCaps * newcaps)
-{
- GstCaps *oldcaps;
-
- g_return_if_fail (caps != NULL);
-
- oldcaps = *caps;
-
- GST_CAT_TRACE (GST_CAT_REFCOUNTING, "%p, %p -> %p", caps, oldcaps, newcaps);
-
- if (newcaps != oldcaps) {
- if (newcaps)
- gst_caps_ref (newcaps);
-
- *caps = newcaps;
-
- if (oldcaps)
- gst_caps_unref (oldcaps);
- }
-}
-
-/**
* gst_caps_to_string:
* @caps: a #GstCaps
*
/* estimate a rough string length to avoid unnecessary reallocs in GString */
slen = 0;
- clen = caps->structs->len;
+ clen = GST_CAPS_LEN (caps);
for (i = 0; i < clen; i++) {
slen +=
STRUCTURE_ESTIMATED_STRING_LEN (gst_caps_get_structure_unchecked (caps,
gchar *s;
if (strcmp ("ANY", string) == 0) {
- caps->flags = GST_CAPS_FLAGS_ANY;
+ GST_CAPS_FLAGS (caps) = GST_CAPS_FLAG_ANY;
return TRUE;
}
if (strcmp ("EMPTY", string) == 0) {
g_value_take_string (dest_value,
gst_caps_to_string (gst_value_get_caps (src_value)));
}
-
-static GstCaps *
-gst_caps_copy_conditional (GstCaps * src)
-{
- if (src) {
- return gst_caps_ref (src);
- } else {
- return NULL;
- }
-}