inspect_annex_b/
inspect_annex_b.rs

1use std::{env, fs};
2
3use openipc_video::{codecs::annex_b, CodecConfigTracker, ConfigUpdate, VideoCodec};
4
5fn main() -> Result<(), Box<dyn std::error::Error>> {
6    let mut args = env::args().skip(1);
7    let codec = match args.next().as_deref() {
8        Some("h264") => VideoCodec::H264,
9        Some("h265") | Some("hevc") => VideoCodec::H265,
10        _ => return Err("usage: inspect_annex_b <h264|h265> <access-unit-file>".into()),
11    };
12    let path = args
13        .next()
14        .ok_or("usage: inspect_annex_b <h264|h265> <access-unit-file>")?;
15    let data = fs::read(path)?;
16    let units = annex_b::nal_units(&data)?;
17    let mut tracker = CodecConfigTracker::default();
18    let config = tracker.observe(codec, &data)?;
19
20    println!(
21        "codec={codec} bytes={} nal_units={}",
22        data.len(),
23        units.len()
24    );
25    println!(
26        "configuration={}",
27        match config {
28            ConfigUpdate::Incomplete => "incomplete",
29            ConfigUpdate::Unchanged => "unchanged",
30            ConfigUpdate::Changed(_) => "complete",
31        }
32    );
33    Ok(())
34}
inspect_annex_b/inspect_annex_b.rs

inspect_annex_b/
inspect_annex_b.rs
