gst_caps_features_new ()

GstCapsFeatures *
gst_caps_features_new (const gchar *feature1,
                       ...);

Creates a new GstCapsFeatures with the given features. The last argument must be NULL.

Free-function: gst_caps_features_free

Since: 1.2

gst_caps_features_new_empty ()

GstCapsFeatures *
gst_caps_features_new_empty (void);

Creates a new, empty GstCapsFeatures.

Free-function: gst_caps_features_free

Since: 1.2

gst_caps_features_new_any ()

GstCapsFeatures *
gst_caps_features_new_any (void);

Creates a new, ANY GstCapsFeatures. This will be equal to any other GstCapsFeatures but caps with these are unfixed.

Free-function: gst_caps_features_free

Since: 1.2

gst_caps_features_new_id ()

GstCapsFeatures *
gst_caps_features_new_id (GQuark feature1,
                          ...);

Creates a new GstCapsFeatures with the given features. The last argument must be 0.

Free-function: gst_caps_features_free

Since: 1.2

gst_caps_features_new_id_valist ()

GstCapsFeatures *
gst_caps_features_new_id_valist (GQuark feature1,
                                 va_list varargs);

Creates a new GstCapsFeatures with the given features.

Free-function: gst_caps_features_free

Since: 1.2

gst_caps_features_new_valist ()

GstCapsFeatures *
gst_caps_features_new_valist (const gchar *feature1,
                              va_list varargs);

Creates a new GstCapsFeatures with the given features.

Free-function: gst_caps_features_free

Since: 1.2

gst_caps_features_copy ()

GstCapsFeatures *
gst_caps_features_copy (const GstCapsFeatures *features);

Duplicates a GstCapsFeatures and all its values.

Free-function: gst_caps_features_free

Since: 1.2

gst_caps_features_free ()

void
gst_caps_features_free (GstCapsFeatures *features);

Frees a GstCapsFeatures and all its values. The caps features must not have a parent when this function is called.

Since: 1.2

gst_caps_features_from_string ()

GstCapsFeatures *
gst_caps_features_from_string (const gchar *features);

Creates a GstCapsFeatures from a string representation.

Free-function: gst_caps_features_free

Since: 1.2

gst_caps_features_to_string ()

gchar *
gst_caps_features_to_string (const GstCapsFeatures *features);

Converts features to a human-readable string representation.

For debugging purposes its easier to do something like this:

1

GST_LOG ("features is %" GST_PTR_FORMAT, features);

This prints the features in human readable form.

Free-function: g_free

Since: 1.2

gst_caps_features_set_parent_refcount ()

gboolean
gst_caps_features_set_parent_refcount (GstCapsFeatures *features,
                                       gint *refcount);

Sets the parent_refcount field of GstCapsFeatures. This field is used to determine whether a caps features is mutable or not. This function should only be called by code implementing parent objects of GstCapsFeatures, as described in the MT Refcounting section of the design documents.

Since: 1.2

gst_caps_features_is_equal ()

gboolean
gst_caps_features_is_equal (const GstCapsFeatures *features1,
                            const GstCapsFeatures *features2);

Check if features1 and features2 are equal.

Since: 1.2

gst_caps_features_is_any ()

gboolean
gst_caps_features_is_any (const GstCapsFeatures *features);

Check if features is GST_CAPS_FEATURES_ANY.

Since: 1.2

gst_caps_features_contains ()

gboolean
gst_caps_features_contains (const GstCapsFeatures *features,
                            const gchar *feature);

Check if features contains feature .

Since: 1.2

gst_caps_features_contains_id ()

gboolean
gst_caps_features_contains_id (const GstCapsFeatures *features,
                               GQuark feature);

Check if features contains feature .

Since: 1.2

gst_caps_features_get_size ()

guint
gst_caps_features_get_size (const GstCapsFeatures *features);

Returns the number of features in features .

Since: 1.2

gst_caps_features_get_nth ()

const gchar *
gst_caps_features_get_nth (const GstCapsFeatures *features,
                           guint i);

Returns the i -th feature of features .

Since: 1.2

gst_caps_features_get_nth_id ()

GQuark
gst_caps_features_get_nth_id (const GstCapsFeatures *features,
                              guint i);

Returns the i -th feature of features .

Since: 1.2

gst_caps_features_add ()

void
gst_caps_features_add (GstCapsFeatures *features,
                       const gchar *feature);

Adds feature to features .

Since: 1.2

gst_caps_features_add_id ()

void
gst_caps_features_add_id (GstCapsFeatures *features,
                          GQuark feature);

Adds feature to features .

Since: 1.2

gst_caps_features_remove ()

void
gst_caps_features_remove (GstCapsFeatures *features,
                          const gchar *feature);

Removes feature from features .

Since: 1.2

gst_caps_features_remove_id ()

void
gst_caps_features_remove_id (GstCapsFeatures *features,
                             GQuark feature);

Removes feature from features .

Since: 1.2

GstCapsFeatures

typedef struct _GstCapsFeatures GstCapsFeatures;

GST_CAPS_FEATURES_ANY

#define GST_CAPS_FEATURES_ANY (_gst_caps_features_any)

GST_CAPS_FEATURES_MEMORY_SYSTEM_MEMORY

#define GST_CAPS_FEATURES_MEMORY_SYSTEM_MEMORY (_gst_caps_features_memory_system_memory)

GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY

#define GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY "memory:SystemMemory"