Struct gst::ffi::Struct__GstBaseTransformClass

#[repr(C)]
pub struct Struct__GstBaseTransformClass {
    pub parent_class: GstElementClass,
    pub passthrough_on_same_caps: gboolean,
    pub transform_ip_on_passthrough: gboolean,
    pub transform_caps: Option<extern "C" fn(trans: *mut GstBaseTransform, direction: GstPadDirection, caps: *mut GstCaps, filter: *mut GstCaps) -> *mut GstCaps>,
    pub fixate_caps: Option<extern "C" fn(trans: *mut GstBaseTransform, direction: GstPadDirection, caps: *mut GstCaps, othercaps: *mut GstCaps) -> *mut GstCaps>,
    pub accept_caps: Option<extern "C" fn(trans: *mut GstBaseTransform, direction: GstPadDirection, caps: *mut GstCaps) -> gboolean>,
    pub set_caps: Option<extern "C" fn(trans: *mut GstBaseTransform, incaps: *mut GstCaps, outcaps: *mut GstCaps) -> gboolean>,
    pub query: Option<extern "C" fn(trans: *mut GstBaseTransform, direction: GstPadDirection, query: *mut GstQuery) -> gboolean>,
    pub decide_allocation: Option<extern "C" fn(trans: *mut GstBaseTransform, query: *mut GstQuery) -> gboolean>,
    pub filter_meta: Option<extern "C" fn(trans: *mut GstBaseTransform, query: *mut GstQuery, api: GType, params: *const GstStructure) -> gboolean>,
    pub propose_allocation: Option<extern "C" fn(trans: *mut GstBaseTransform, decide_query: *mut GstQuery, query: *mut GstQuery) -> gboolean>,
    pub transform_size: Option<extern "C" fn(trans: *mut GstBaseTransform, direction: GstPadDirection, caps: *mut GstCaps, size: gsize, othercaps: *mut GstCaps, othersize: *mut gsize) -> gboolean>,
    pub get_unit_size: Option<extern "C" fn(trans: *mut GstBaseTransform, caps: *mut GstCaps, size: *mut gsize) -> gboolean>,
    pub start: Option<extern "C" fn(trans: *mut GstBaseTransform) -> gboolean>,
    pub stop: Option<extern "C" fn(trans: *mut GstBaseTransform) -> gboolean>,
    pub sink_event: Option<extern "C" fn(trans: *mut GstBaseTransform, event: *mut GstEvent) -> gboolean>,
    pub src_event: Option<extern "C" fn(trans: *mut GstBaseTransform, event: *mut GstEvent) -> gboolean>,
    pub prepare_output_buffer: Option<extern "C" fn(trans: *mut GstBaseTransform, input: *mut GstBuffer, outbuf: *mut *mut GstBuffer) -> GstFlowReturn>,
    pub copy_metadata: Option<extern "C" fn(trans: *mut GstBaseTransform, input: *mut GstBuffer, outbuf: *mut GstBuffer) -> gboolean>,
    pub transform_meta: Option<extern "C" fn(trans: *mut GstBaseTransform, outbuf: *mut GstBuffer, meta: *mut GstMeta, inbuf: *mut GstBuffer) -> gboolean>,
    pub before_transform: Option<extern "C" fn(trans: *mut GstBaseTransform, buffer: *mut GstBuffer)>,
    pub transform: Option<extern "C" fn(trans: *mut GstBaseTransform, inbuf: *mut GstBuffer, outbuf: *mut GstBuffer) -> GstFlowReturn>,
    pub transform_ip: Option<extern "C" fn(trans: *mut GstBaseTransform, buf: *mut GstBuffer) -> GstFlowReturn>,
    pub _gst_reserved: [gpointer; 20],
}

Fields

parent_class: GstElementClass

passthrough_on_same_caps: gboolean

transform_ip_on_passthrough: gboolean

transform_caps: Option<extern "C" fn(trans: *mut GstBaseTransform, direction: GstPadDirection, caps: *mut GstCaps, filter: *mut GstCaps) -> *mut GstCaps>

fixate_caps: Option<extern "C" fn(trans: *mut GstBaseTransform, direction: GstPadDirection, caps: *mut GstCaps, othercaps: *mut GstCaps) -> *mut GstCaps>

accept_caps: Option<extern "C" fn(trans: *mut GstBaseTransform, direction: GstPadDirection, caps: *mut GstCaps) -> gboolean>

set_caps: Option<extern "C" fn(trans: *mut GstBaseTransform, incaps: *mut GstCaps, outcaps: *mut GstCaps) -> gboolean>

query: Option<extern "C" fn(trans: *mut GstBaseTransform, direction: GstPadDirection, query: *mut GstQuery) -> gboolean>

decide_allocation: Option<extern "C" fn(trans: *mut GstBaseTransform, query: *mut GstQuery) -> gboolean>

filter_meta: Option<extern "C" fn(trans: *mut GstBaseTransform, query: *mut GstQuery, api: GType, params: *const GstStructure) -> gboolean>

propose_allocation: Option<extern "C" fn(trans: *mut GstBaseTransform, decide_query: *mut GstQuery, query: *mut GstQuery) -> gboolean>

transform_size: Option<extern "C" fn(trans: *mut GstBaseTransform, direction: GstPadDirection, caps: *mut GstCaps, size: gsize, othercaps: *mut GstCaps, othersize: *mut gsize) -> gboolean>

get_unit_size: Option<extern "C" fn(trans: *mut GstBaseTransform, caps: *mut GstCaps, size: *mut gsize) -> gboolean>

start: Option<extern "C" fn(trans: *mut GstBaseTransform) -> gboolean>

stop: Option<extern "C" fn(trans: *mut GstBaseTransform) -> gboolean>

sink_event: Option<extern "C" fn(trans: *mut GstBaseTransform, event: *mut GstEvent) -> gboolean>

src_event: Option<extern "C" fn(trans: *mut GstBaseTransform, event: *mut GstEvent) -> gboolean>

prepare_output_buffer: Option<extern "C" fn(trans: *mut GstBaseTransform, input: *mut GstBuffer, outbuf: *mut *mut GstBuffer) -> GstFlowReturn>

copy_metadata: Option<extern "C" fn(trans: *mut GstBaseTransform, input: *mut GstBuffer, outbuf: *mut GstBuffer) -> gboolean>

transform_meta: Option<extern "C" fn(trans: *mut GstBaseTransform, outbuf: *mut GstBuffer, meta: *mut GstMeta, inbuf: *mut GstBuffer) -> gboolean>

before_transform: Option<extern "C" fn(trans: *mut GstBaseTransform, buffer: *mut GstBuffer)>

transform: Option<extern "C" fn(trans: *mut GstBaseTransform, inbuf: *mut GstBuffer, outbuf: *mut GstBuffer) -> GstFlowReturn>

transform_ip: Option<extern "C" fn(trans: *mut GstBaseTransform, buf: *mut GstBuffer) -> GstFlowReturn>

_gst_reserved: [gpointer; 20]

Trait Implementations

impl Default for Struct__GstBaseTransformClass

fn default() -> Struct__GstBaseTransformClass

Returns the "default value" for a type.