Ask what the reason about frame alloc_buffer error

[phial3]

#[test]
fn test_get_buffer() {
    let encoder = AVCodec::find_encoder(ffi::AV_CODEC_ID_AAC).unwrap();
    println!("aac sample_fmts:{:#?}", encoder.sample_fmts());
    let mut frame = AVFrame::new();
    frame.set_format(encoder.sample_fmts().unwrap()[0]);
    frame.set_nb_samples(1024);
    frame.set_sample_rate(48000);
    frame.set_ch_layout(AVChannelLayout::from_nb_channels(2).into_inner());
    assert!(frame.alloc_buffer().is_ok());
}

this test running result:
macOS ffmpeg 7.1, ok
macOS ffmpeg 8.0, ok
Linux ffmpeg 6.1, ok
Linux ffmpeg 7.1, error

Error: Failed to allocate buffer for AVFrame

Caused by:
    AVFrame buffer allocating with incorrect parameters. (-22)