FFmpeg 8 compatibility

[n2o]

Hi,
thanks for this great project. With the release of FFmpeg 8 this library does not work anymore. I get this error message, where cargo is searching for the header files. I think they were removed...?

  cargo:avcodec_version_greater_than_61_107=true
  cargo:rustc-cfg=feature="ffmpeg_3_0"
  cargo:ffmpeg_3_0=true
  cargo:rustc-cfg=feature="ffmpeg_3_1"
  cargo:ffmpeg_3_1=true
  cargo:rustc-cfg=feature="ffmpeg_3_2"
  cargo:ffmpeg_3_2=true
  cargo:rustc-cfg=feature="ffmpeg_3_3"
  cargo:ffmpeg_3_3=true
  cargo:rustc-cfg=feature="ffmpeg_3_1"
  cargo:ffmpeg_3_1=true
  cargo:rustc-cfg=feature="ffmpeg_4_0"
  cargo:ffmpeg_4_0=true
  cargo:rustc-cfg=feature="ffmpeg_4_1"
  cargo:ffmpeg_4_1=true
  cargo:rustc-cfg=feature="ffmpeg_4_2"
  cargo:ffmpeg_4_2=true
  cargo:rustc-cfg=feature="ffmpeg_4_3"
  cargo:ffmpeg_4_3=true
  cargo:rustc-cfg=feature="ffmpeg_4_4"
  cargo:ffmpeg_4_4=true
  cargo:rustc-cfg=feature="ffmpeg_5_0"
  cargo:ffmpeg_5_0=true
  cargo:rustc-cfg=feature="ffmpeg_5_1"
  cargo:ffmpeg_5_1=true
  cargo:rustc-cfg=feature="ffmpeg_6_0"
  cargo:ffmpeg_6_0=true
  cargo:rustc-cfg=feature="ffmpeg_6_1"
  cargo:ffmpeg_6_1=true
  cargo:rustc-cfg=feature="ffmpeg_7_0"
  cargo:ffmpeg_7_0=true
  cargo:rustc-cfg=feature="ffmpeg_7_1"
  cargo:ffmpeg_7_1=true

  --- stderr
  fatal error: '/usr/include/libavcodec/avfft.h' file not found

  thread 'main' panicked at /Users/n2o/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/ffmpeg-sys-next-7.1.3/build.rs:1619:10:
  Unable to generate bindings: ClangDiagnostic("fatal error: '/usr/include/libavcodec/avfft.h' file not found\n")
  note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

I am using macOS 26, ffmpeg 8.0.1

> ffmpeg -v
ffmpeg version 8.0 Copyright (c) 2000-2025 the FFmpeg developers
  built with Apple clang version 17.0.0 (clang-1700.3.19.1)

[YeautyYE]

Try changing the versions of crate ffmpeg-next and ffmpeg-sys-next to 8.0.0 and then try again

[I-love-study]

Hi, I try to using ez-ffmpeg with ffmpeg-next 8.0.0 and ffmpeg-sys-next 8.0.1 and using ffmpeg 8.0 on Windows.
And it will raise

thread 'main' panicked at src\main.rs:19:10:
called `Result::unwrap()` on an `Err` value: FilterGraph(ParseError(InvalidArgument))

I think only change the version of ffmpeg-next and ffmpeg-sys-next cannot get support of ffmpeg v8.0.

Code:

use anyhow::Result;
use ez_ffmpeg::{FfmpegContext, Input, Output};

fn main() -> Result<()> {
    let input = Input::from("test.mp4");
    let mut output: Output = "test2.mp4".into();
    output = output
        .set_video_codec("hevc_nvenc")
        .set_video_codec_opt("b", "8M");

    let _ = FfmpegContext::builder()
        .input(input)
        .output(output)
        .build()
        .unwrap()
        .start()
        .unwrap()
        .wait()
        .unwrap();
    Ok(())
}

[GuoJikun]

[YeautyYE]

I've checked the ffmpeg-next 8.0.0 release.
Currently, there's a confirmed blocking bug in the upstream: zmwangx/rust-ffmpeg#246, which causes compilation failures with FFmpeg 8.0 due to missing symbol bindings.
To ensure ez-ffmpeg stays stable and buildable for all users, I'll wait for the upstream to release a fix (v8.0.1) before upgrading.