Input: Allows yt-dlp usage as another youtube-dl fork (#90)

Signed-off-by: Miezhiko <Miezhiko@gmail.com>

Cargo.toml

@@ -221,6 +221,7 @@ tokio-02-marker = []
 
 # Behaviour altering features.
 youtube-dlc = []
+yt-dlp = []
 builtin-queue = []
 
 # Used for docgen/testing/benchmarking.

src/input/ytdl_src.rs

@@ -19,6 +19,8 @@ use tracing::trace;
 
 const YOUTUBE_DL_COMMAND: &str = if cfg!(feature = "youtube-dlc") {
     "youtube-dlc"
+} else if cfg!(feature = "yt-dlp") {
+    "yt-dlp"
 } else {
     "youtube-dl"
 };

src/lib.rs

@@ -37,6 +37,9 @@
 //! [`ConnectionInfo`]: struct@ConnectionInfo
 //! [lavalink]: https://github.com/freyacodes/Lavalink
 
+#[cfg(all(feature = "youtube-dlc", feature = "yt-dlp"))]
+compile_error!("feature \"youtube-dlc\" and feature \"yt-dlp\" cannot be enabled at the same time");
+
 mod config;
 pub mod constants;
 #[cfg(feature = "driver-core")]