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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>GstCapsFeatures: GStreamer 1.0 Core Reference Manual</title>
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<link rel="up" href="libgstreamer.html" title="GStreamer Core Library">
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<link rel="prev" href="GstCaps.html" title="GstCaps">
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Top |
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Description |
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Object Hierarchy
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GstCapsFeatures
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GstCapsFeatures — A set of features in caps
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Functions
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GstCapsFeatures *
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gst_caps_features_new ()
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GstCapsFeatures *
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gst_caps_features_new_empty ()
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GstCapsFeatures *
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gst_caps_features_new_any ()
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GstCapsFeatures *
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gst_caps_features_new_id ()
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GstCapsFeatures *
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gst_caps_features_new_id_valist ()
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GstCapsFeatures *
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gst_caps_features_new_valist ()
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GstCapsFeatures *
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gst_caps_features_copy ()
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void
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gst_caps_features_free ()
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GstCapsFeatures *
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gst_caps_features_from_string ()
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gchar *
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gst_caps_features_to_string ()
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gboolean
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gst_caps_features_set_parent_refcount ()
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gboolean
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gst_caps_features_is_equal ()
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gboolean
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gst_caps_features_is_any ()
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gboolean
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gst_caps_features_contains ()
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gboolean
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gst_caps_features_contains_id ()
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guint
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gst_caps_features_get_size ()
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const gchar *
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gst_caps_features_get_nth ()
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GQuark
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gst_caps_features_get_nth_id ()
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void
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gst_caps_features_add ()
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void
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gst_caps_features_add_id ()
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void
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gst_caps_features_remove ()
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void
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gst_caps_features_remove_id ()
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Types and Values
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GstCapsFeatures
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#define
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GST_CAPS_FEATURES_ANY
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#define
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GST_CAPS_FEATURES_MEMORY_SYSTEM_MEMORY
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#define
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GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY
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Object Hierarchy
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GBoxed
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╰── GstCapsFeatures
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Includes
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#include <gst/gst.h>
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Description
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GstCapsFeatures can optionally be set on a GstCaps to add requirements
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for additional features for a specific GstStructure. Caps structures with
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the same name but with a non-equal set of caps features are not compatible.
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If a pad supports multiple sets of features it has to add multiple equal
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structures with different feature sets to the caps.
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Empty GstCapsFeatures are equivalent with the GstCapsFeatures that only
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contain GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY. ANY GstCapsFeatures as
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created by gst_caps_features_new_any() are equal to any other GstCapsFeatures
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and can be used to specify that any GstCapsFeatures would be supported, e.g.
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for elements that don't touch buffer memory. GstCaps with ANY GstCapsFeatures
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are considered non-fixed and during negotiation some GstCapsFeatures have
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to be selected.
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Examples for caps features would be the requirement of a specific GstMemory
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types or the requirement of having a specific GstMeta on the buffer. Features
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are given as a string of the format "memory:GstMemoryTypeName" or
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"meta:GstMetaAPIName".
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Functions
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gst_caps_features_new ()
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GstCapsFeatures *
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gst_caps_features_new (const gchar *feature1,
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...);
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Creates a new GstCapsFeatures with the given features.
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The last argument must be NULL.
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Free-function: gst_caps_features_free
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Parameters
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feature1
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name of first feature to set
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...
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additional features
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Returns
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a new, empty GstCapsFeatures.
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[transfer full]
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Since: 1.2
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gst_caps_features_new_empty ()
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GstCapsFeatures *
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gst_caps_features_new_empty (void);
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Creates a new, empty GstCapsFeatures.
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Free-function: gst_caps_features_free
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Returns
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a new, empty GstCapsFeatures.
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[transfer full]
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Since: 1.2
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gst_caps_features_new_any ()
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GstCapsFeatures *
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gst_caps_features_new_any (void);
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Creates a new, ANY GstCapsFeatures. This will be equal
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to any other GstCapsFeatures but caps with these are
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unfixed.
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Free-function: gst_caps_features_free
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Returns
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a new, ANY GstCapsFeatures.
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[transfer full]
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Since: 1.2
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gst_caps_features_new_id ()
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GstCapsFeatures *
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gst_caps_features_new_id (GQuark feature1,
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...);
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Creates a new GstCapsFeatures with the given features.
|
|
Packit |
a6ee4b |
The last argument must be 0.
|
|
Packit |
a6ee4b |
Free-function: gst_caps_features_free
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Parameters
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
feature1
|
|
Packit |
a6ee4b |
name of first feature to set
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
...
|
|
Packit |
a6ee4b |
additional features
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Returns
|
|
Packit |
a6ee4b |
a new, empty GstCapsFeatures.
|
|
Packit |
a6ee4b |
[transfer full]
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Since: 1.2
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
gst_caps_features_new_id_valist ()
|
|
Packit |
a6ee4b |
GstCapsFeatures *
|
|
Packit |
a6ee4b |
gst_caps_features_new_id_valist (GQuark feature1,
|
|
Packit |
a6ee4b |
va_list varargs);
|
|
Packit |
a6ee4b |
Creates a new GstCapsFeatures with the given features.
|
|
Packit |
a6ee4b |
Free-function: gst_caps_features_free
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Parameters
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
feature1
|
|
Packit |
a6ee4b |
name of first feature to set
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
varargs
|
|
Packit |
a6ee4b |
variable argument list
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Returns
|
|
Packit |
a6ee4b |
a new, empty GstCapsFeatures.
|
|
Packit |
a6ee4b |
[transfer full]
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Since: 1.2
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
gst_caps_features_new_valist ()
|
|
Packit |
a6ee4b |
GstCapsFeatures *
|
|
Packit |
a6ee4b |
gst_caps_features_new_valist (const gchar *feature1,
|
|
Packit |
a6ee4b |
va_list varargs);
|
|
Packit |
a6ee4b |
Creates a new GstCapsFeatures with the given features.
|
|
Packit |
a6ee4b |
Free-function: gst_caps_features_free
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Parameters
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
feature1
|
|
Packit |
a6ee4b |
name of first feature to set
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
varargs
|
|
Packit |
a6ee4b |
variable argument list
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Returns
|
|
Packit |
a6ee4b |
a new, empty GstCapsFeatures.
|
|
Packit |
a6ee4b |
[transfer full]
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Since: 1.2
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
gst_caps_features_copy ()
|
|
Packit |
a6ee4b |
GstCapsFeatures *
|
|
Packit |
a6ee4b |
gst_caps_features_copy (const GstCapsFeatures *features);
|
|
Packit |
a6ee4b |
Duplicates a GstCapsFeatures and all its values.
|
|
Packit |
a6ee4b |
Free-function: gst_caps_features_free
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Parameters
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
features
|
|
Packit |
a6ee4b |
a GstCapsFeatures to duplicate
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Returns
|
|
Packit |
a6ee4b |
a new GstCapsFeatures.
|
|
Packit |
a6ee4b |
[transfer full]
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Since: 1.2
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
gst_caps_features_free ()
|
|
Packit |
a6ee4b |
void
|
|
Packit |
a6ee4b |
gst_caps_features_free (GstCapsFeatures *features);
|
|
Packit |
a6ee4b |
Frees a GstCapsFeatures and all its values. The caps features must not
|
|
Packit |
a6ee4b |
have a parent when this function is called.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Parameters
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
features
|
|
Packit |
a6ee4b |
the GstCapsFeatures to free.
|
|
Packit |
a6ee4b |
[in][transfer full]
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Since: 1.2
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
gst_caps_features_from_string ()
|
|
Packit |
a6ee4b |
GstCapsFeatures *
|
|
Packit |
a6ee4b |
gst_caps_features_from_string (const gchar *features);
|
|
Packit |
a6ee4b |
Creates a GstCapsFeatures from a string representation.
|
|
Packit |
a6ee4b |
Free-function: gst_caps_features_free
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Parameters
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
features
|
|
Packit |
a6ee4b |
a string representation of a GstCapsFeatures.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Returns
|
|
Packit |
a6ee4b |
a new GstCapsFeatures or
|
|
Packit |
a6ee4b |
NULL when the string could not be parsed. Free with
|
|
Packit |
a6ee4b |
gst_caps_features_free() after use.
|
|
Packit |
a6ee4b |
[transfer full][nullable]
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Since: 1.2
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
gst_caps_features_to_string ()
|
|
Packit |
a6ee4b |
gchar *
|
|
Packit |
a6ee4b |
gst_caps_features_to_string (const GstCapsFeatures *features);
|
|
Packit |
a6ee4b |
Converts features
|
|
Packit |
a6ee4b |
to a human-readable string representation.
|
|
Packit |
a6ee4b |
For debugging purposes its easier to do something like this:
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
1
|
|
Packit |
a6ee4b |
GST_LOG ("features is %" GST_PTR_FORMAT, features);
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
This prints the features in human readable form.
|
|
Packit |
a6ee4b |
Free-function: g_free
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Parameters
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
features
|
|
Packit |
a6ee4b |
a GstCapsFeatures
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Returns
|
|
Packit |
a6ee4b |
a pointer to string allocated by g_malloc().
|
|
Packit |
a6ee4b |
g_free() after usage.
|
|
Packit |
a6ee4b |
[transfer full]
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Since: 1.2
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
gst_caps_features_set_parent_refcount ()
|
|
Packit |
a6ee4b |
gboolean
|
|
Packit |
a6ee4b |
gst_caps_features_set_parent_refcount (GstCapsFeatures *features,
|
|
Packit |
a6ee4b |
gint *refcount);
|
|
Packit |
a6ee4b |
Sets the parent_refcount field of GstCapsFeatures. This field is used to
|
|
Packit |
a6ee4b |
determine whether a caps features is mutable or not. This function should only be
|
|
Packit |
a6ee4b |
called by code implementing parent objects of GstCapsFeatures, as described in
|
|
Packit |
a6ee4b |
the MT Refcounting section of the design documents.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Parameters
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
features
|
|
Packit |
a6ee4b |
a GstCapsFeatures
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
refcount
|
|
Packit |
a6ee4b |
a pointer to the parent's refcount.
|
|
Packit |
a6ee4b |
[in]
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Returns
|
|
Packit |
a6ee4b |
TRUE if the parent refcount could be set.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Since: 1.2
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
gst_caps_features_is_equal ()
|
|
Packit |
a6ee4b |
gboolean
|
|
Packit |
a6ee4b |
gst_caps_features_is_equal (const GstCapsFeatures *features1,
|
|
Packit |
a6ee4b |
const GstCapsFeatures *features2);
|
|
Packit |
a6ee4b |
Check if features1
|
|
Packit |
a6ee4b |
and features2
|
|
Packit |
a6ee4b |
are equal.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Parameters
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
features1
|
|
Packit |
a6ee4b |
a GstCapsFeatures.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
features2
|
|
Packit |
a6ee4b |
a GstCapsFeatures.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Returns
|
|
Packit |
a6ee4b |
TRUE if features1
|
|
Packit |
a6ee4b |
and features2
|
|
Packit |
a6ee4b |
are equal.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Since: 1.2
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
gst_caps_features_is_any ()
|
|
Packit |
a6ee4b |
gboolean
|
|
Packit |
a6ee4b |
gst_caps_features_is_any (const GstCapsFeatures *features);
|
|
Packit |
a6ee4b |
Check if features
|
|
Packit |
a6ee4b |
is GST_CAPS_FEATURES_ANY.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Parameters
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
features
|
|
Packit |
a6ee4b |
a GstCapsFeatures.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Returns
|
|
Packit |
a6ee4b |
TRUE if features
|
|
Packit |
a6ee4b |
is GST_CAPS_FEATURES_ANY.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Since: 1.2
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
gst_caps_features_contains ()
|
|
Packit |
a6ee4b |
gboolean
|
|
Packit |
a6ee4b |
gst_caps_features_contains (const GstCapsFeatures *features,
|
|
Packit |
a6ee4b |
const gchar *feature);
|
|
Packit |
a6ee4b |
Check if features
|
|
Packit |
a6ee4b |
contains feature
|
|
Packit |
a6ee4b |
.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Parameters
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
features
|
|
Packit |
a6ee4b |
a GstCapsFeatures.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
feature
|
|
Packit |
a6ee4b |
a feature
|
|
Packit |
a6ee4b |
|
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Packit |
a6ee4b |
|
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Packit |
a6ee4b |
|
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Packit |
a6ee4b |
|
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a6ee4b |
|
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Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Returns
|
|
Packit |
a6ee4b |
TRUE if features
|
|
Packit |
a6ee4b |
contains feature
|
|
Packit |
a6ee4b |
.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Since: 1.2
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
gst_caps_features_contains_id ()
|
|
Packit |
a6ee4b |
gboolean
|
|
Packit |
a6ee4b |
gst_caps_features_contains_id (const GstCapsFeatures *features,
|
|
Packit |
a6ee4b |
GQuark feature);
|
|
Packit |
a6ee4b |
Check if features
|
|
Packit |
a6ee4b |
contains feature
|
|
Packit |
a6ee4b |
.
|
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Packit |
a6ee4b |
|
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a6ee4b |
Parameters
|
|
Packit |
a6ee4b |
|
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Packit |
a6ee4b |
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Packit |
a6ee4b |
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Packit |
a6ee4b |
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Packit |
a6ee4b |
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Packit |
a6ee4b |
|
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Packit |
a6ee4b |
|
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Packit |
a6ee4b |
|
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Packit |
a6ee4b |
features
|
|
Packit |
a6ee4b |
a GstCapsFeatures.
|
|
Packit |
a6ee4b |
|
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Packit |
a6ee4b |
|
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Packit |
a6ee4b |
|
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Packit |
a6ee4b |
feature
|
|
Packit |
a6ee4b |
a feature
|
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Packit |
a6ee4b |
|
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Packit |
a6ee4b |
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Packit |
a6ee4b |
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a6ee4b |
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a6ee4b |
|
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a6ee4b |
|
|
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a6ee4b |
Returns
|
|
Packit |
a6ee4b |
TRUE if features
|
|
Packit |
a6ee4b |
contains feature
|
|
Packit |
a6ee4b |
.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Since: 1.2
|
|
Packit |
a6ee4b |
|
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Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
gst_caps_features_get_size ()
|
|
Packit |
a6ee4b |
guint
|
|
Packit |
a6ee4b |
gst_caps_features_get_size (const GstCapsFeatures *features);
|
|
Packit |
a6ee4b |
Returns the number of features in features
|
|
Packit |
a6ee4b |
.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Parameters
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
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Packit |
a6ee4b |
|
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Packit |
a6ee4b |
|
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Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
features
|
|
Packit |
a6ee4b |
a GstCapsFeatures.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Returns
|
|
Packit |
a6ee4b |
The number of features in features
|
|
Packit |
a6ee4b |
.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Since: 1.2
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
gst_caps_features_get_nth ()
|
|
Packit |
a6ee4b |
const gchar *
|
|
Packit |
a6ee4b |
gst_caps_features_get_nth (const GstCapsFeatures *features,
|
|
Packit |
a6ee4b |
guint i);
|
|
Packit |
a6ee4b |
Returns the i
|
|
Packit |
a6ee4b |
-th feature of features
|
|
Packit |
a6ee4b |
.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Parameters
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
features
|
|
Packit |
a6ee4b |
a GstCapsFeatures.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
i
|
|
Packit |
a6ee4b |
index of the feature
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Returns
|
|
Packit |
a6ee4b |
The i
|
|
Packit |
a6ee4b |
-th feature of features
|
|
Packit |
a6ee4b |
.
|
|
Packit |
a6ee4b |
[nullable]
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Since: 1.2
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
gst_caps_features_get_nth_id ()
|
|
Packit |
a6ee4b |
GQuark
|
|
Packit |
a6ee4b |
gst_caps_features_get_nth_id (const GstCapsFeatures *features,
|
|
Packit |
a6ee4b |
guint i);
|
|
Packit |
a6ee4b |
Returns the i
|
|
Packit |
a6ee4b |
-th feature of features
|
|
Packit |
a6ee4b |
.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Parameters
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
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a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
features
|
|
Packit |
a6ee4b |
a GstCapsFeatures.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
i
|
|
Packit |
a6ee4b |
index of the feature
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Returns
|
|
Packit |
a6ee4b |
The i
|
|
Packit |
a6ee4b |
-th feature of features
|
|
Packit |
a6ee4b |
.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Since: 1.2
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
gst_caps_features_add ()
|
|
Packit |
a6ee4b |
void
|
|
Packit |
a6ee4b |
gst_caps_features_add (GstCapsFeatures *features,
|
|
Packit |
a6ee4b |
const gchar *feature);
|
|
Packit |
a6ee4b |
Adds feature
|
|
Packit |
a6ee4b |
to features
|
|
Packit |
a6ee4b |
.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Parameters
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
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a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
features
|
|
Packit |
a6ee4b |
a GstCapsFeatures.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
feature
|
|
Packit |
a6ee4b |
a feature.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Since: 1.2
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
gst_caps_features_add_id ()
|
|
Packit |
a6ee4b |
void
|
|
Packit |
a6ee4b |
gst_caps_features_add_id (GstCapsFeatures *features,
|
|
Packit |
a6ee4b |
GQuark feature);
|
|
Packit |
a6ee4b |
Adds feature
|
|
Packit |
a6ee4b |
to features
|
|
Packit |
a6ee4b |
.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Parameters
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
features
|
|
Packit |
a6ee4b |
a GstCapsFeatures.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
feature
|
|
Packit |
a6ee4b |
a feature.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Since: 1.2
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
gst_caps_features_remove ()
|
|
Packit |
a6ee4b |
void
|
|
Packit |
a6ee4b |
gst_caps_features_remove (GstCapsFeatures *features,
|
|
Packit |
a6ee4b |
const gchar *feature);
|
|
Packit |
a6ee4b |
Removes feature
|
|
Packit |
a6ee4b |
from features
|
|
Packit |
a6ee4b |
.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Parameters
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
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Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
features
|
|
Packit |
a6ee4b |
a GstCapsFeatures.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
feature
|
|
Packit |
a6ee4b |
a feature.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Since: 1.2
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
gst_caps_features_remove_id ()
|
|
Packit |
a6ee4b |
void
|
|
Packit |
a6ee4b |
gst_caps_features_remove_id (GstCapsFeatures *features,
|
|
Packit |
a6ee4b |
GQuark feature);
|
|
Packit |
a6ee4b |
Removes feature
|
|
Packit |
a6ee4b |
from features
|
|
Packit |
a6ee4b |
.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Parameters
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
features
|
|
Packit |
a6ee4b |
a GstCapsFeatures.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
feature
|
|
Packit |
a6ee4b |
a feature.
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Since: 1.2
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Types and Values
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
GstCapsFeatures
|
|
Packit |
a6ee4b |
typedef struct _GstCapsFeatures GstCapsFeatures;
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
GST_CAPS_FEATURES_ANY
|
|
Packit |
a6ee4b |
#define GST_CAPS_FEATURES_ANY (_gst_caps_features_any)
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
GST_CAPS_FEATURES_MEMORY_SYSTEM_MEMORY
|
|
Packit |
a6ee4b |
#define GST_CAPS_FEATURES_MEMORY_SYSTEM_MEMORY (_gst_caps_features_memory_system_memory)
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY
|
|
Packit |
a6ee4b |
#define GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY "memory:SystemMemory"
|
|
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a6ee4b |
|
|
Packit |
a6ee4b |
|
|
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a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
See Also
|
|
Packit |
a6ee4b |
GstCaps
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
|
|
Packit |
a6ee4b |
Generated by GTK-Doc V1.28
|
|
Packit |
a6ee4b |
</body>
|
|
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a6ee4b |
</html>
|