From 410596f875111fab3d666a472c61be8869d7f7ec Mon Sep 17 00:00:00 2001
From: Nathan Perry <avaglir@gmail.com>
Date: Sat, 2 Mar 2019 23:54:01 -0500
Subject: remove unused code, fixup imports

---
 src/audio/ytdl.rs | 113 ------------------------------------------------------
 1 file changed, 113 deletions(-)

(limited to 'src/audio/ytdl.rs')

diff --git a/src/audio/ytdl.rs b/src/audio/ytdl.rs
index 8239683..46f0e27 100644
--- a/src/audio/ytdl.rs
+++ b/src/audio/ytdl.rs
@@ -1,83 +1,21 @@
 /// This module is entirely adapted from the relevant code in Serenity.
 
 use std::{
-    io::{
-        Read,
-        Result as IoResult,
-    },
     process::{
-        Child,
         Command,
         Stdio,
     },
 };
 
-use chrono::Duration;
 use serde_json::Value;
 use serenity::{
     voice::{
-        AudioSource,
-        pcm,
         VoiceError,
     }
 };
 
 use crate::Result;
 
-struct ChildContainer(Child);
-
-impl Read for ChildContainer {
-    fn read(&mut self, buffer: &mut [u8]) -> IoResult<usize> {
-        self.0.stdout.as_mut().unwrap().read(buffer)
-    }
-}
-
-impl Drop for ChildContainer {
-    fn drop(&mut self) {
-        if let Err(e) = self.0.kill() {
-            debug!("Error awaiting child process: {:?}", e);
-        }
-    }
-}
-
-pub(crate) trait CodecInfo {
-    fn ffmpeg_opts() -> &'static[&'static str];
-}
-
-pub(crate) struct Pcm {}
-
-#[allow(dead_code)]
-pub(crate) struct Opus {}
-
-impl CodecInfo for Pcm {
-    #[inline]
-    fn ffmpeg_opts() -> &'static[&'static str] {
-        lazy_static! {
-            static ref OPTS: Vec<&'static str> = vec! [
-                "-f", "s16le",
-                "-acodec", "pcm_s16le",
-            ];
-        }
-
-        &*OPTS
-    }
-}
-
-impl CodecInfo for Opus {
-    #[inline]
-    fn ffmpeg_opts() -> &'static[&'static str] {
-        lazy_static! {
-            static ref OPTS: Vec<&'static str> = vec! [
-                "-f", "opus",
-                "-acodec", "libopus",
-                "-b:a 96k",
-            ];
-        }
-
-        &*OPTS
-    }
-}
-
 pub fn ytdl_url(uri: &str) -> Result<String> {
     let args = [
         "-f",
@@ -111,54 +49,3 @@ pub fn ytdl_url(uri: &str) -> Result<String> {
         None => Err(VoiceError::YouTubeDLUrl(Value::Object(obj)).into()),
     }
 }
-
-pub(crate) fn ffmpeg_dl<T: CodecInfo>(uri: &str, start: Option<Duration>, end: Option<Duration>, size_limit: Option<usize>) -> Result<Box<dyn Read + Send>> {
-    let start = start.unwrap_or(Duration::zero());
-    let start_str = format!("{:02}:{:02}:{:02}", start.num_hours(), start.num_minutes() % 60, start.num_seconds() % 60);
-
-    let mut opts = vec! [
-        "-ac",
-        "2", // force stereo -- this may cause issues
-        "-ar",
-        "48000",
-        "-ss",
-        &start_str,
-    ]
-        .into_iter()
-        .map(|s| s.to_owned())
-        .collect::<Vec<_>>();
-
-    if let Some(e) = end {
-        opts.push("-to".to_owned());
-        opts.push(format!("{:02}:{:02}:{:02}", e.num_hours(), e.num_minutes() % 60, e.num_seconds() % 60));
-    }
-
-    let codec_opts = T::ffmpeg_opts().into_iter().map(|&s| s.to_owned()).collect::<Vec<_>>();
-    opts.extend(codec_opts);
-
-    if let Some(limit) = size_limit {
-        opts.push("-fs".to_owned());
-        opts.push(format!("{}", limit));
-    }
-
-    opts.push("-".to_owned());
-
-    debug!("ffmpeg -i \"{}\" {}", uri, opts.join(" "));
-
-    let command = Command::new("ffmpeg")
-        .arg("-i")
-        .arg(uri)
-        .args(opts)
-        .stderr(Stdio::piped())
-        .stdin(Stdio::null())
-        .stdout(Stdio::piped())
-        .spawn()?;
-
-    Ok(Box::new(ChildContainer(command)))
-}
-
-pub fn ytdl(uri: &str, start: Option<Duration>, end: Option<Duration>) -> Result<Box<AudioSource>> {
-    let youtube_uri = ytdl_url(uri)?;
-    let command = ffmpeg_dl::<Pcm>(&youtube_uri, start, end, None)?;
-    Ok(pcm(true, command))
-}
-- 
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