Trait GLFilterImpl

pub trait GLFilterImpl: GLBaseFilterImpl + ObjectSubclass<Type: IsA<GLFilter>> {
    const MODE: GLFilterMode;
    const ADD_RGBA_PAD_TEMPLATES: bool = true;

    // Provided methods
    fn set_caps(
        &self,
        incaps: &Caps,
        outcaps: &Caps,
    ) -> Result<(), LoggableError> { ... }
    fn filter(
        &self,
        input: &Buffer,
        output: &Buffer,
    ) -> Result<(), LoggableError> { ... }
    fn filter_texture(
        &self,
        input: &GLMemory,
        output: &GLMemory,
    ) -> Result<(), LoggableError> { ... }
    fn init_fbo(&self) -> Result<(), LoggableError> { ... }
    fn transform_internal_caps(
        &self,
        direction: PadDirection,
        caps: &Caps,
        filter_caps: Option<&Caps>,
    ) -> Option<Caps> { ... }
}

Required Associated Constants

const MODE: GLFilterMode

Provided Associated Constants

const ADD_RGBA_PAD_TEMPLATES: bool = true

Calls add_rgba_pad_templates in GLFilter::class_init if true.

Provided Methods

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

mirror from gst_base::BaseTransform

fn filter(&self, input: &Buffer, output: &Buffer) -> Result<(), LoggableError>

perform operations on the input and output buffers. In general, you should avoid using this method if at all possible. One valid use-case for using this is keeping previous buffers for future calculations. Note: If self exists, then filter_texture is not run

fn filter_texture( &self, input: &GLMemory, output: &GLMemory, ) -> Result<(), LoggableError>

Calls filter_texture vfunc with correctly mapped GstGLMemorys

input

an input buffer

output

an output buffer

Returns

whether the transformation succeeded

fn init_fbo(&self) -> Result<(), LoggableError>

perform initialization when the Framebuffer object is created

fn transform_internal_caps( &self, direction: PadDirection, caps: &Caps, filter_caps: Option<&Caps>, ) -> Option<Caps>

Perform sub-class specific modifications of the caps to be processed between upload on input and before download for output.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors