playa-ffmpeg 8.0.3

Safe FFmpeg wrapper with vcpkg integration for simplified cross-platform builds (FFmpeg 8.0, Rust 2024)
Documentation 
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use std::{ffi::CStr, marker::PhantomData, str::from_utf8_unchecked};

use crate::{ffi::*, media};

pub struct Pad<'a> {
    ptr: *const AVFilterPad,
    idx: isize,

    _marker: PhantomData<&'a ()>,
}

impl<'a> Pad<'a> {
    pub unsafe fn wrap(ptr: *const AVFilterPad, idx: isize) -> Self {
        Pad { ptr, idx, _marker: PhantomData }
    }

    pub unsafe fn as_ptr(&self) -> *const AVFilterPad {
        self.ptr
    }

    pub unsafe fn as_mut_ptr(&mut self) -> *mut AVFilterPad {
        self.ptr as *mut _
    }
}

impl<'a> Pad<'a> {
    pub fn name(&self) -> Option<&str> {
        unsafe {
            let ptr = avfilter_pad_get_name(self.ptr, self.idx as i32);

            if ptr.is_null() { None } else { Some(from_utf8_unchecked(CStr::from_ptr(ptr).to_bytes())) }
        }
    }

    pub fn medium(&self) -> media::Type {
        unsafe { media::Type::from(avfilter_pad_get_type(self.ptr, self.idx as i32)) }
    }
}