zenavif-parse 0.6.2

AVIF container parser with zero-copy AvifParser API, grid images, animation, and resource limits. Fork of avif-parse.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

#![allow(deprecated)]
use zenavif_parse::AvifData;
use std::path::PathBuf;
use std::{env, fs};

fn main() {
    env_logger::init();

    let path = PathBuf::from(env::args_os().nth(1).expect("Specify path to an AVIF file"));
    let file = fs::read(&path).unwrap();
    let avif = AvifData::from_reader(&mut file.as_slice()).unwrap();

    println!("{:#?}", avif.primary_item_metadata().unwrap());

    // You can view these OBUs at https://mdakram.com/media-parser-gui/#/av1

    let av1_out = path.with_extension("av1");
    fs::write(&av1_out, &avif.primary_item).unwrap();
    println!("Written {}", av1_out.display());

    if let Some(alpha_data) = avif.alpha_item.as_deref() {
        let av1_out = path.with_extension(if avif.premultiplied_alpha { "prem.av1" } else { "alpha.av1" });
        fs::write(&av1_out, alpha_data).unwrap();
        println!("Written {}", av1_out.display());
    }
}