audio-visualizer 0.2.4

Super basic and simple audio visualization library which is especially useful for developers to visually check audio samples, e.g. by waveform or spectrum. (So far) this library is not capable of doing nice visualizations for end users.
Documentation 
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use minimp3::{Decoder as Mp3Decoder, Frame as Mp3Frame, Error as Mp3Error};
use audio_visualizer::ChannelInterleavement;
use audio_visualizer::Channels;
use audio_visualizer::waveform::staticc::png_file::waveform_static_png_visualize;
use std::path::PathBuf;
use std::fs::File;
use audio_visualizer::test_support::{TEST_SAMPLES_DIR, TEST_OUT_DIR};

fn main() {
    let mut path = PathBuf::new();
    path.push(TEST_SAMPLES_DIR);
    path.push("sample_1.mp3");
    let mut decoder = Mp3Decoder::new(File::open(path).unwrap());

    let mut lrlr_mp3_samples = vec![];
    loop {
        match decoder.next_frame() {
            Ok(Mp3Frame { data: samples_of_frame, .. }) => {
                for sample in samples_of_frame {
                    lrlr_mp3_samples.push(sample);
                }
            }
            Err(Mp3Error::Eof) => break,
            Err(e) => panic!("{:?}", e),
        }
    }

    waveform_static_png_visualize(
        &lrlr_mp3_samples,
        Channels::Stereo(ChannelInterleavement::LRLR),
        TEST_OUT_DIR,
        "sample_1_waveform.png"
    );
}