Trait gstreamer_gl::subclass::prelude::GLFilterImpl

pub trait GLFilterImpl: GLFilterImplExt + GLBaseFilterImpl {
    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.

Object Safety

This trait is not object safe.

Implementors