vapoursynth 0.5.1

Safe Rust wrapper for VapourSynth and VSScript.
Documentation 
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use std::marker::PhantomData;
use std::ptr::NonNull;
use vapoursynth_sys as ffi;

/// A frame context used in filters.
#[derive(Debug, Clone, Copy)]
pub struct FrameContext<'a> {
    handle: NonNull<ffi::VSFrameContext>,
    _owner: PhantomData<&'a ()>,
}

impl<'a> FrameContext<'a> {
    /// Wraps `handle` in a `FrameContext`.
    ///
    /// # Safety
    /// The caller must ensure `handle` is valid and API is cached.
    #[inline]
    pub(crate) unsafe fn from_ptr(handle: *mut ffi::VSFrameContext) -> Self {
        Self {
            handle: NonNull::new_unchecked(handle),
            _owner: PhantomData,
        }
    }

    /// Returns the underlying pointer.
    #[inline]
    pub(crate) fn ptr(self) -> *mut ffi::VSFrameContext {
        self.handle.as_ptr()
    }
}