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Code Issues Releases Wiki Activity

added comments and edited README

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This commit is contained in:
fossedihelm 2017-12-07 11:36:26 +01:00
parent 94e4cd853a
commit de2b4cc8e3
2 changed files with 8 additions and 2 deletions
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9
src/main.rs
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@ -135,27 +135,32 @@ fn setup(args: &[String]) -> Setup {
let mixer = mixer::find(mixer_name.as_ref())
.expect("Invalid mixer");
let initial_volume;
// check if initial-volume argument is present
if matches.opt_present("initial-volume"){
// check if value is a number
if matches.opt_str("initial-volume").unwrap().parse::<i32>().is_ok(){
// check if value is in [0-100] range, otherwise put the bound values
if matches.opt_str("initial-volume").unwrap().parse::<i32>().unwrap() < 0 {
initial_volume = 0 as i32;
}
else if matches.opt_str("initial-volume").unwrap().parse::<i32>().unwrap() > 100{
initial_volume = 0xFFFF as i32;
}
// checks ok
else{
initial_volume = matches.opt_str("initial-volume").unwrap().parse::<i32>().unwrap()* 0xFFFF as i32 / 100 ;
}
}
// if value is not a number use default value (50%)
else {
initial_volume = 0x8000 as i32;
}
}
// if argument not present use default values (50%)
else{
initial_volume = 0x8000 as i32;
}
info!("Volume \"{}\" !", initial_volume);
debug!("Volume \"{}\" !", initial_volume);
let name = matches.opt_str("name").unwrap();
let use_audio_cache = !matches.opt_present("disable-audio-cache");