GstProps
Properties
GstProps is used to attach certain properties to a pad. Properties
are usually used in conjunction with GstCaps.
#GstCaps
The props structure
@refcount: a refcount for this struct
@flags:
@properties: the properties
The property type
@GST_PROPS_END_TYPE:
@GST_PROPS_INVALID_TYPE:
@GST_PROPS_INT_TYPE:
@GST_PROPS_FLOAT_TYPE:
@GST_PROPS_FOURCC_TYPE:
@GST_PROPS_BOOLEAN_TYPE:
@GST_PROPS_STRING_TYPE:
@GST_PROPS_VAR_TYPE:
@GST_PROPS_LIST_TYPE:
@GST_PROPS_GLIST_TYPE:
@GST_PROPS_FLOAT_RANGE_TYPE:
@GST_PROPS_INT_RANGE_TYPE:
@GST_PROPS_LAST_TYPE:
Flags for this property
@GST_PROPS_FIXED: The property has no variable entries
@GST_PROPS_FLOATING: The property is not owned by anyone
The name used for tracing memory allocations for the properties
The flags of this property
@props: The props to query
Check if a flag is set on the property
@props: The property to check
@flag: The flag to check for
Set a flag on the property
@props: The property to modify
@flag: The flag to set
Unset a flag in the property
@props: The property to modify
@flag: The flag to unset
Check if the property is fixed, ie. it has no variable property entries.
@props: The property to check
Check if the property is floating
@props: The property to check
Get the property entries of this property
@props: The property to query
Get the refcount of the property
@props: The property to query
The GType of the props boxed type, for use in GValues.
Create a FOURCC value that can easily be used to construct
a fourcc property.
...
"format", GST_PROPS_FOURCC (GST_MAKE_FOURCC ('Y','U','Y','2')),
...
@a: first fourcc byte
@b: second fourcc byte
@c: third fourcc byte
@d: fourth fourcc byte
Create a FOURCC value from a string. example:
...
"format", GST_PROPS_FOURCC (GST_STR_FOURCC ("YUY2")),
...
@f: the string describing the fourcc value.
Create a list of properties.
@...: the list of GstProps
Create a list from a GList of #GstPropsEntry.
@a: A GList of props entries
Create an integer property.
@a: the integer property
Create an integer property that can hold any int.
Create an integer range property.
@a: the min value for the range
@b: the max value for the range
Create an integer property that can hold negative ints.
Construct a fourcc property out of four bytes.
@a: a fourcc value usualy created with GST_FOURCC_MAKE ()
Create a boolean property.
@a: the boolean property
Create a string value.
@a: the string value.
Create a floating point value.
@a: the float value
Create a float range value.
@a: lower float bounds
@b: upper float bounds
Create an integer property that can hold positive ints.
An entry hols one key/value pair.
The name used for tracing memory allocations.
@firstname:
@Varargs:
@Returns:
@firstname:
@var_args:
@Returns:
@Returns:
@props:
@tomerge:
@Returns:
@props:
@Returns:
@props:
@Returns:
@props:
@props:
@Returns:
@props:
@Returns:
@oldprops:
@newprops:
@oldprops:
@newprops:
@props:
@fromprops:
@toprops:
@Returns:
@props:
@name:
@Returns:
@props:
@Returns:
@props:
@name:
@Varargs:
@Returns:
@props:
@first_name:
@Varargs:
@Returns:
@props:
@first_name:
@Varargs:
@Returns:
@props:
@name:
@Returns:
@props:
@name:
@Returns:
@props:
@name:
@type:
@Returns:
@props1:
@props2:
@Returns:
@props:
@props:
@parent:
@Returns:
@parent:
@Returns:
@props:
@name:
@Returns:
@props:
@entry:
@props:
@entry:
@props:
@name:
@name:
@Varargs:
@Returns:
@entry:
@Returns:
@entry:
@entry:
@Varargs:
@Returns:
@entry:
@val:
@Returns:
@entry:
@val:
@Returns:
@entry:
@min:
@max:
@Returns:
@entry:
@val:
@Returns:
@entry:
@val:
@Returns:
@entry:
@min:
@max:
@Returns:
@entry:
@val:
@Returns:
@entry:
@Returns:
@entry:
@val:
@Returns:
@entry:
@Returns:
@entry:
@Returns: