Allow user to provide custom paths to config files

Author: moonfloof

Cargo.lock

@@ -16,3 +16,4 @@ video-rs = { version = "0.4", features = ["ndarray"] }
 ffmpeg-next = "6.0.0"
 ndarray = "0.15.6"
 fast_image_resize = "2.7.3"
+clap = { version = "4.3.5", features = [ "derive" ] }

Cargo.toml

@@ -0,0 +1,14 @@
+use clap::Parser;
+
+/// Generate a video based on the waveforms of multiple audio tracks
+#[derive(Parser, Debug)]
+#[command(author, version, about, long_about = None)]
+pub struct Args {
+	/// JSON config file for all the tracks, colours, and audio files
+	#[arg(short, long, default_value_t = String::from("./song.json"))]
+	pub song: String,
+
+	/// JSON config file for the size and scaling for the output video file
+	#[arg(short, long, default_value_t = String::from("./window.json"))]
+	pub window: String,
+}

output/.gitkeep

@@ -1,2 +1,3 @@
+pub mod cli;
 pub mod song;
 pub mod track;

src/data/cli.rs

@@ -148,8 +148,8 @@ pub struct Window {
 }
 
 impl Window {
-	pub fn load_from_file() -> Self {
-		let file = File::open("./song/window.json");
+	pub fn load_from_file(window_path: &str) -> Self {
+		let file = File::open(window_path);
 		if file.is_err() {
 			panic!("Could not open window.json");
 		}
@@ -180,8 +180,8 @@ pub struct Song {
 }
 
 impl Song {
-	pub fn load_from_file() -> Self {
-		let file = File::open("./song/song.json");
+	pub fn load_from_file(song_path: &str) -> Self {
+		let file = File::open(song_path);
 		if file.is_err() {
 			panic!("Could not open song.json");
 		}