Struct QrCodeDetector

pub struct QrCodeDetector {
    pub info: Mutex<Option<VideoInfo>>,
    pub sender: Mutex<Option<Sender<Action>>>,
    pub code: Mutex<Option<QrVerificationData>>,
}

Fields

info: Mutex<Option<VideoInfo>>

sender: Mutex<Option<Sender<Action>>>

code: Mutex<Option<QrVerificationData>>

Implementations

impl QrCodeDetector

fn register_type()

Registers the type only once.

impl QrCodeDetector

pub fn downgrade(&self) -> <Self as Downgrade>::Weak

Trait Implementations

impl BaseSinkImpl for QrCodeDetector

fn set_caps(&self, caps: &Caps) -> Result<(), LoggableError>

fn start(&self) -> Result<(), ErrorMessage>

fn stop(&self) -> Result<(), ErrorMessage>

fn render(&self, buffer: &Buffer) -> Result<FlowSuccess, FlowError>

fn prepare(&self, buffer: &Buffer) -> Result<FlowSuccess, FlowError>

fn render_list(&self, list: &BufferList) -> Result<FlowSuccess, FlowError>

fn prepare_list(&self, list: &BufferList) -> Result<FlowSuccess, FlowError>

fn query(&self, query: &mut QueryRef) -> bool

fn event(&self, event: Event) -> bool

fn caps(&self, filter: Option<&Caps>) -> Option<Caps>

fn fixate(&self, caps: Caps) -> Caps

fn unlock(&self) -> Result<(), ErrorMessage>

fn unlock_stop(&self) -> Result<(), ErrorMessage>

fn propose_allocation( &self, query: &mut Allocation, ) -> Result<(), LoggableError>

impl Default for QrCodeDetector

fn default() -> QrCodeDetector

Returns the “default value” for a type.

impl ElementImpl for QrCodeDetector

fn metadata() -> Option<&'static ElementMetadata>

fn pad_templates() -> &'static [PadTemplate]

fn change_state( &self, transition: StateChange, ) -> Result<StateChangeSuccess, StateChangeError>

fn request_new_pad( &self, templ: &PadTemplate, name: Option<&str>, caps: Option<&Caps>, ) -> Option<Pad>

fn release_pad(&self, pad: &Pad)

fn send_event(&self, event: Event) -> bool

fn query(&self, query: &mut QueryRef) -> bool

fn set_context(&self, context: &Context)

fn set_clock(&self, clock: Option<&Clock>) -> bool

fn provide_clock(&self) -> Option<Clock>

fn post_message(&self, msg: Message) -> bool

impl ObjectImpl for QrCodeDetector

fn properties() -> &'static [ParamSpec]

Properties installed for this type.

fn signals() -> &'static [Signal]

Signals installed for this type.

fn set_property(&self, _id: usize, _value: &Value, _pspec: &ParamSpec)

Property setter.

fn property(&self, _id: usize, _pspec: &ParamSpec) -> Value

Property getter.

fn constructed(&self)

Constructed.

fn dispose(&self)

Disposes of the object.

fn notify(&self, pspec: &ParamSpec)

Function to be called when property change is notified for with self.notify("property").

fn dispatch_properties_changed(&self, pspecs: &[ParamSpec])

impl ObjectSubclass for QrCodeDetector

const NAME: &'static str = "QrCodeDetector"

GObject type name.

type Interfaces = ()

List of interfaces implemented by this type.

type Class = ClassStruct<QrCodeDetector>

The C class struct.

type Instance = InstanceStruct<QrCodeDetector>

The C instance struct.

type Type = QrCodeDetector

Wrapper around this subclass defined with wrapper!

type ParentType = VideoSink

Parent Rust type to inherit from.

fn new() -> Self

Constructor.

const ABSTRACT: bool = false

If this subclass is an abstract class or not.

const ALLOW_NAME_CONFLICT: bool = false

Allow name conflicts for this class.

fn type_init(_type_: &mut InitializingType<Self>)

Additional type initialization.

fn class_init(_klass: &mut Self::Class)

Class initialization.

fn with_class(_klass: &Self::Class) -> Self

Constructor.

fn instance_init(_obj: &InitializingObject<Self>)

Performs additional instance initialization.

impl ObjectSubclassType for QrCodeDetector

fn type_data() -> NonNull<TypeData>

Storage for the type-specific data used during registration.

fn type_() -> Type

Returns the glib::Type ID of the subclass.

impl VideoSinkImpl for QrCodeDetector

fn show_frame(&self, buffer: &Buffer) -> Result<FlowSuccess, FlowError>

impl GstObjectImpl for QrCodeDetector