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|
use std::{
collections::VecDeque,
io::{self, Cursor},
iter,
process::{
Command,
Stdio,
},
sync::{Arc, RwLock},
thread,
time::Duration,
};
use byteorder::{ByteOrder, NativeEndian};
use either::{Left, Right};
use itertools::Itertools;
use lame_sys;
use serenity::{
prelude::*,
voice,
};
use typemap::Key;
use crate::{
audio::{
CurrentItem,
PlayArgs,
ytdl,
},
commands::{
send,
sound_levels::DEFAULT_VOLUME,
},
must_env_lookup,
TARGET_GUILD_ID,
};
#[derive(Clone)]
pub struct PlayQueue {
pub queue: VecDeque<PlayArgs>,
pub playing: Option<CurrentItem>,
pub volume: f32,
}
impl Key for PlayQueue {
type Value = Arc<RwLock<PlayQueue>>;
}
impl PlayQueue {
pub fn new() -> Self {
PlayQueue {
queue: VecDeque::new(),
playing: None,
volume: DEFAULT_VOLUME,
}
}
pub fn register(c: &mut Client) {
let voice_manager = Arc::clone(&c.voice_manager);
let mut data = c.data.lock();
let queue = Arc::new(RwLock::new(PlayQueue::new()));
data.insert::<PlayQueue>(Arc::clone(&queue));
thread::spawn(move || {
let queue_lck = Arc::clone(&queue);
let voice_manager = voice_manager;
loop {
thread::sleep(Duration::from_millis(250));
let (queue_is_empty, queue_has_playing) = {
let queue = queue_lck.read().unwrap();
let allow_continue = queue.playing.clone().map_or(false, |x| !x.audio.lock().finished);
if allow_continue {
continue;
}
(queue.queue.is_empty(), queue.playing.is_some())
};
if queue_is_empty {
if queue_has_playing {
let mut queue = queue_lck.write().unwrap();
assert!({
let audio_lck = queue.playing.clone().unwrap().audio;
let audio = audio_lck.lock();
audio.finished
});
queue.playing = None;
let mut manager = voice_manager.lock();
manager.leave(*TARGET_GUILD_ID);
debug!("disconnected because playback finished");
}
continue;
}
let mut queue = queue_lck.write().unwrap();
let mut item = queue.queue.pop_front().unwrap();
let src = match &mut item.data {
Left(ref url) => {
match ytdl(url, item.start, item.end) {
Ok(src) => src,
Err(e) => {
error!("bad link: {}; {:?}", url, e);
let _ = send(item.sender_channel, "what the fuck", false);
continue;
}
}
},
Right(ref mut v) => {
// let out = unsafe {
// let hip_t = lame_sys::hip_decode_init();
//
// let mut pcm_l = vec![0; 5 * 1024 * 1024 / 2];
// let mut pcm_r = vec![0; 5 * 1024 * 1024 / 2];
//
// let count = lame_sys::hip_decode(hip_t,
// v.as_mut_ptr(),
// v.len(),
// pcm_l.as_mut_ptr(),
// pcm_r.as_mut_ptr());
//
// lame_sys::hip_decode_exit(hip_t);
//
// pcm_l.into_iter()
// .interleave(pcm_r.into_iter())
// .flat_map(|x| {
// let mut b = vec![0u8; 2];
// NativeEndian::write_i16(&mut b, x);
//
// b.into_iter()
// })
// .collect::<Vec<u8>>()
// };
let mut out = Command::new("lame")
.args(&[
"--decode", "-t",
"-", "-",
])
.stdin(Stdio::piped())
.stdout(Stdio::piped())
.stderr(Stdio::piped())
.spawn()
.unwrap();
io::copy(&mut Cursor::new(v), &mut out.stdin.as_mut().unwrap());
let result = voice::pcm(true, Cursor::new("abc"));
// out.stdout.as_mut().unwrap()
let status = out.wait_with_output().unwrap();
println!("{}", status.status);
println!("{}", String::from_utf8(status.stderr).unwrap());
result
}
};
let mut manager = voice_manager.lock();
let handler = manager.join(*TARGET_GUILD_ID, must_env_lookup::<u64>("VOICE_CHANNEL"));
match handler {
Some(handler) => {
let audio = handler.play_only(src);
{
audio.lock().volume(queue.volume);
}
queue.playing = Some(CurrentItem {
init_args: item,
audio,
});
debug!("playing new song");
},
None => {
error!("couldn't join channel");
let _ = send(item.sender_channel, "something happened somewhere somehow.", false);
}
}
}
});
}
}
|
