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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
extern crate dbus;
#[macro_use]
extern crate log;
#[macro_use]
extern crate failure;
#[macro_use]
extern crate clap;
extern crate clap_log_flag;
extern crate clap_verbosity_flag;
#[macro_use]
extern crate structopt;
extern crate lalrpop_util;
mod cli;
mod dbus_api;
mod parsing;
mod utils;
use utils::*;
use dbus_api::sink::OrgPulseAudioExtEqualizing1Equalizer;
use cli::*;
use failure::Error;
use structopt::StructOpt;
use std::fs::File;
use std::io;
#[derive(Debug)]
pub struct Filter {
preamp: f64,
frequencies: Vec<u32>,
coefficients: Vec<f64>,
}
impl Filter {
fn pad(self, filter_rate: u32) -> Self {
Filter {
preamp: self.preamp,
frequencies: vec![0u32]
.into_iter()
.chain(self.frequencies.into_iter())
.chain(vec![filter_rate / 2u32])
.collect(),
coefficients: vec![1f64]
.into_iter()
.chain(self.coefficients.into_iter())
.chain(vec![1f64])
.collect(),
}
}
}
fn main() {
match start() {
Ok(()) => (),
Err(err) => {
eprintln!("Error: {}", err);
for cause in err.iter_causes() {
eprintln!(" : {}", cause);
}
std::process::exit(-1);
}
}
}
fn start() -> Result<(), Error> {
let args = Cli::from_args();
args.log.log_all(args.verbose.log_level())?;
use Command::*;
match args.cmd {
Load(args) => load(args),
Reset(args) => reset(args),
}
}
fn reset(args: ResetCli) -> Result<(), Error> {
let conn = connect()?;
let conn_sink = get_equalized_sink(&conn)?;
let filter_rate = conn_sink.get_filter_sample_rate()?;
let filter = Filter {
preamp: 1f64,
frequencies: vec![],
coefficients: vec![],
}.pad(filter_rate);
send_filter(&conn_sink, filter)?;
Ok(())
}
fn load(args: LoadCli) -> Result<(), Error> {
let conn = connect()?;
let conn_sink = get_equalized_sink(&conn)?;
let filter = if args.file == "-" {
let stdin = io::stdin();
let mut handle = stdin.lock();
read_filter(&mut handle)?
} else {
let mut file = File::open(args.file)?;
read_filter(&mut file)?
};
let filter_rate = conn_sink.get_filter_sample_rate()?;
send_filter(&conn_sink, filter.pad(filter_rate))?;
Ok(())
}
|
