nrgrip/src/metadata/sinf.rs

44 lines
969 B
Rust

//! NRG SINF chunk data structure and associated functions.
use std::fmt;
use std::fs::File;
use ::error::NrgError;
use super::readers::read_u32;
#[derive(Debug)]
pub struct NrgSinf {
pub size: u32,
pub nb_tracks: u32,
}
impl NrgSinf {
pub fn new() -> NrgSinf {
NrgSinf {
size: 0,
nb_tracks: 0,
}
}
}
impl fmt::Display for NrgSinf {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "Chunk ID: SINF\n\
Chunk description: Session Information\n\
Chunk size: {} Bytes\n\
Number of tracks in the session: {}",
self.size,
self.nb_tracks)
}
}
/// Reads the NRG Session Information chunk (SINF).
pub fn read_nrg_sinf(fd: &mut File) -> Result<NrgSinf, NrgError> {
let mut chunk = NrgSinf::new();
chunk.size = try!(read_u32(fd));
chunk.nb_tracks = try!(read_u32(fd));
Ok(chunk)
}