zimhide 0.2.0

Zim Steganography Toolkit - WAV steganography CLI for embedding and extracting encrypted text/audio
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

#![allow(dead_code)]

use anyhow::{Result, anyhow};
use hound::WavSpec;
use std::path::Path;

pub struct WavWriter;

impl WavWriter {
    pub fn write(path: &Path, spec: WavSpec, samples: &[i32]) -> Result<()> {
        let mut writer = hound::WavWriter::create(path, spec)?;

        for sample in samples {
            match spec.bits_per_sample {
                8 => writer.write_sample(*sample as i8)?,
                16 => writer.write_sample(*sample as i16)?,
                24 | 32 => writer.write_sample(*sample)?,
                _ => {
                    return Err(anyhow!(
                        "Unsupported bits per sample: {}",
                        spec.bits_per_sample
                    ));
                }
            }
        }

        writer.finalize()?;
        Ok(())
    }
}