Struct rsmpeg::swscale::SwsContext

pub struct SwsContext { /* fields omitted */ }

Implementations

impl SwsContext

pub fn as_ptr(&self) -> *const SwsContext

pub fn as_mut_ptr(&mut self) -> *mut SwsContext

pub unsafe fn set_ptr(&mut self, ptr: NonNull<SwsContext>)

Safety

This function should only be called when the pointer is valid and the data it’s pointing to can be dropped.

pub unsafe fn from_raw(raw: NonNull<SwsContext>) -> Self

Safety

This function should only be called when the pointer is valid and the data it’s pointing to can be dropped.

pub fn into_raw(self) -> NonNull<SwsContext>

impl SwsContext

pub fn get_context(
    src_w: i32,
    src_h: i32,
    src_format: AVPixelFormat,
    dst_w: i32,
    dst_h: i32,
    dst_format: AVPixelFormat,
    flags: u32
) -> Option<Self>

Return None when input is invalid. Parameter flags can be rsmpeg::ffi::SWS_FAST_BILINEAR etc.

pub unsafe fn scale(
    &mut self,
    src_slice: *const *const u8,
    src_stride: *const i32,
    src_slice_y: i32,
    src_slice_h: i32,
    dst: *const *mut u8,
    dst_stride: *const i32
) -> Result<()>

Scale the image slice in src_slice and put the resulting scaled slice in the image in dst. A slice is a sequence of consecutive rows in an image.

Slices have to be provided in sequential order, either in top-bottom or bottom-top order. If slices are provided in non-sequential order the behavior of the function is undefined.

Safety

The src_slice should be valid with the src_stride, src_slice_y and src_slice_h. The dst should be valid with the dst_stride.

pub fn scale_frame(
    &mut self,
    src_frame: &AVFrame,
    src_slice_y: i32,
    src_slice_h: i32,
    dst_frame: &mut AVFrame
) -> Result<()>

A wrapper of Self::scale, check it’s documentation.

Trait Implementations

impl Deref for SwsContext

type Target = SwsContext

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl Drop for SwsContext

fn drop(&mut self)

Executes the destructor for this type.