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use std::mem;
use std::ptr;
use super::Ref;
use ffi::*;
use libc::c_int;
pub struct Borrow<'a> {
packet: AVPacket,
data: &'a [u8],
}
impl<'a> Borrow<'a> {
pub fn new(data: &[u8]) -> Borrow {
unsafe {
let mut packet: AVPacket = mem::zeroed();
packet.data = data.as_ptr() as *mut _;
packet.size = data.len() as c_int;
Borrow { packet, data }
}
}
#[inline]
pub fn size(&self) -> usize {
self.packet.size as usize
}
#[inline]
pub fn data(&self) -> Option<&[u8]> {
Some(self.data)
}
}
impl<'a> Ref for Borrow<'a> {
fn as_ptr(&self) -> *const AVPacket {
&self.packet
}
}
impl<'a> Drop for Borrow<'a> {
fn drop(&mut self) {
unsafe {
self.packet.data = ptr::null_mut();
self.packet.size = 0;
av_packet_unref(&mut self.packet);
}
}
}