download_ffmpeg_with_progress/
download_ffmpeg_with_progress.rs

1use ffmpeg_sidecar::download::{
2  download_ffmpeg_package_with_progress, ffmpeg_download_url, unpack_ffmpeg,
3  FfmpegDownloadProgressEvent,
4};
5use ffmpeg_sidecar::version::ffmpeg_version;
6use std::io::Write;
7
8#[cfg(feature = "download_ffmpeg")]
9fn main() -> anyhow::Result<()> {
10  use ffmpeg_sidecar::command::ffmpeg_is_installed;
11
12  if ffmpeg_is_installed() {
13    println!("FFmpeg is already installed! 🎉");
14    println!("For demo purposes, we'll re-download and unpack it anyway.");
15    println!(
16      "TIP: Use `auto_download_with_progress(progress_callback)` to skip manual customization."
17    );
18  }
19
20  let progress_callback = |e: FfmpegDownloadProgressEvent| match e {
21    FfmpegDownloadProgressEvent::Starting => {
22      println!("Starting download...");
23    }
24    FfmpegDownloadProgressEvent::Downloading {
25      downloaded_bytes,
26      total_bytes,
27    } => {
28      print!(
29        "\rDownloaded {:.1}/{:.1} mB    ",
30        downloaded_bytes as f64 / 1024.0 / 1024.0,
31        total_bytes as f64 / 1024.0 / 1024.0
32      );
33      std::io::stdout().flush().unwrap();
34    }
35    FfmpegDownloadProgressEvent::UnpackingArchive => {
36      println!("\nUnpacking archive...");
37    }
38    FfmpegDownloadProgressEvent::Done => {
39      println!("Ffmpeg downloaded successfully!")
40    }
41  };
42
43  force_download_with_progress(progress_callback)?;
44
45  let version = ffmpeg_version()?;
46  println!("FFmpeg version: {version}");
47  Ok(())
48}
49
50#[cfg(feature = "download_ffmpeg")]
51pub fn force_download_with_progress(
52  progress_callback: impl Fn(FfmpegDownloadProgressEvent),
53) -> anyhow::Result<()> {
54  use ffmpeg_sidecar::{command::ffmpeg_is_installed, paths::sidecar_dir};
55
56  progress_callback(FfmpegDownloadProgressEvent::Starting);
57  let download_url = ffmpeg_download_url()?;
58  let destination = sidecar_dir()?;
59  let archive_path =
60    download_ffmpeg_package_with_progress(download_url, &destination, |e| progress_callback(e))?;
61  progress_callback(FfmpegDownloadProgressEvent::UnpackingArchive);
62  unpack_ffmpeg(&archive_path, &destination)?;
63  progress_callback(FfmpegDownloadProgressEvent::Done);
64
65  if !ffmpeg_is_installed() {
66    anyhow::bail!("FFmpeg failed to install, please install manually.");
67  }
68
69  Ok(())
70}
71
72#[cfg(not(feature = "download_ffmpeg"))]
73fn main() {
74  eprintln!(r#"This example requires the "download_ffmpeg" feature to be enabled."#);
75  println!("The feature is included by default unless manually disabled.");
76  println!("Please run `cargo run --example download_ffmpeg`.");
77}
download_ffmpeg_with_progress/download_ffmpeg_with_progress.rs

download_ffmpeg_with_progress/
download_ffmpeg_with_progress.rs
