extract stuff into lib/main

src/cli.rs

@@ -0,0 +1,54 @@
+//! This module contains helper functions for implementing CLI/TUI.
+
+use crate::time::{parse_time, Time};
+use console::style;
+use std::{
+	fmt::Display,
+	io::{self, BufRead as _, Write as _}
+};
+
+pub fn ask(question: impl Display) -> String {
+	let mut stdout = io::stdout().lock();
+	let mut stdin = io::stdin().lock();
+
+	write!(
+		stdout,
+		"{} {} ",
+		style(question).bold().magenta(),
+		style(">").cyan()
+	)
+	.unwrap();
+	stdout.flush().unwrap();
+	let mut line = String::new();
+	stdin.read_line(&mut line).unwrap();
+	line.trim().to_owned()
+}
+
+pub fn ask_time(question: impl Display + Copy) -> Time {
+	let mut stdout = io::stdout().lock();
+	let mut stdin = io::stdin().lock();
+
+	let mut line = String::new();
+	loop {
+		line.clear();
+		write!(
+			stdout,
+			"{} {} ",
+			style(question).bold().magenta(),
+			style(">").cyan()
+		)
+		.unwrap();
+		stdout.flush().unwrap();
+		stdin.read_line(&mut line).unwrap();
+		let line = line.trim();
+		match parse_time(line) {
+			Ok(time) => return time,
+			Err(err) => writeln!(
+				stdout,
+				"{} {line:?}: {err}",
+				style("Invalid Input").bold().red()
+			)
+			.unwrap()
+		}
+	}
+}

src/iotro.rs

@@ -1,6 +1,9 @@
 //! A module for writing intros and outros
 
-use crate::{time::Date, ProjectLecture, Resolution};
+use crate::{
+	project::{ProjectLecture, Resolution},
+	time::Date
+};
 use anyhow::anyhow;
 use std::{
 	fmt::{self, Debug, Display, Formatter},

src/lib.rs

@@ -0,0 +1,17 @@
+#![allow(clippy::manual_range_contains)]
+#![warn(clippy::unreadable_literal, rust_2018_idioms)]
+#![forbid(elided_lifetimes_in_paths, unsafe_code)]
+
+pub mod cli;
+pub mod iotro;
+pub mod preset;
+pub mod project;
+pub mod question;
+pub mod render;
+pub mod time;
+
+#[cfg(feature = "mem_limit")]
+use std::sync::RwLock;
+
+#[cfg(feature = "mem_limit")]
+pub static MEM_LIMIT: RwLock<String> = RwLock::new(String::new());

src/main.rs

@@ -2,32 +2,17 @@
 #![warn(clippy::unreadable_literal, rust_2018_idioms)]
 #![forbid(elided_lifetimes_in_paths, unsafe_code)]
 
-mod iotro;
-mod preset;
-mod project;
-mod question;
-mod render;
-mod time;
-
-use self::{
-	project::{Project, ProjectLecture, ProjectSource, Resolution},
-	render::Renderer,
-	time::{parse_date, parse_time, Time}
-};
-use crate::preset::Preset;
 use camino::Utf8PathBuf as PathBuf;
 use clap::Parser;
 use console::style;
-#[cfg(feature = "mem_limit")]
-use std::sync::RwLock;
-use std::{
-	fmt::Display,
-	fs,
-	io::{self, BufRead as _, Write}
+use render_video::{
+	cli::{ask, ask_time},
+	preset::Preset,
+	project::{Project, ProjectLecture, ProjectSource, Resolution},
+	render::Renderer,
+	time::parse_date
 };
-
-#[cfg(feature = "mem_limit")]
-static MEM_LIMIT: RwLock<String> = RwLock::new(String::new());
+use std::fs;
 
 #[derive(Debug, Parser)]
 struct Args {
@@ -60,58 +45,12 @@ struct Args {
 	stereo: bool
 }
 
-fn ask(question: impl Display) -> String {
-	let mut stdout = io::stdout().lock();
-	let mut stdin = io::stdin().lock();
-
-	write!(
-		stdout,
-		"{} {} ",
-		style(question).bold().magenta(),
-		style(">").cyan()
-	)
-	.unwrap();
-	stdout.flush().unwrap();
-	let mut line = String::new();
-	stdin.read_line(&mut line).unwrap();
-	line.trim().to_owned()
-}
-
-fn ask_time(question: impl Display + Copy) -> Time {
-	let mut stdout = io::stdout().lock();
-	let mut stdin = io::stdin().lock();
-
-	let mut line = String::new();
-	loop {
-		line.clear();
-		write!(
-			stdout,
-			"{} {} ",
-			style(question).bold().magenta(),
-			style(">").cyan()
-		)
-		.unwrap();
-		stdout.flush().unwrap();
-		stdin.read_line(&mut line).unwrap();
-		let line = line.trim();
-		match parse_time(line) {
-			Ok(time) => return time,
-			Err(err) => writeln!(
-				stdout,
-				"{} {line:?}: {err}",
-				style("Invalid Input").bold().red()
-			)
-			.unwrap()
-		}
-	}
-}
-
 fn main() {
 	let args = Args::parse();
 
 	#[cfg(feature = "mem_limit")]
 	{
-		*(MEM_LIMIT.write().unwrap()) = args.mem_limit;
+		*(render_video::MEM_LIMIT.write().unwrap()) = args.mem_limit;
 	}
 
 	// process arguments

src/preset.rs

@@ -11,23 +11,23 @@ use std::{fs, io};
 
 #[serde_as]
 #[derive(Deserialize, Serialize)]
-pub(crate) struct Preset {
+pub struct Preset {
 	// options for the intro slide
-	pub(crate) course: String,
-	pub(crate) label: String,
-	pub(crate) docent: String,
+	pub course: String,
+	pub label: String,
+	pub docent: String,
 
 	/// Course language
 	#[serde(default = "Default::default")]
 	#[serde_as(as = "DisplayFromStr")]
-	pub(crate) lang: Language<'static>,
+	pub lang: Language<'static>,
 
 	// coding options
-	pub(crate) transcode_start: Resolution,
-	pub(crate) transcode: Option<Resolution>
+	pub transcode_start: Resolution,
+	pub transcode: Option<Resolution>
 }
 
-fn preset_23ws_malo2() -> Preset {
+pub fn preset_23ws_malo2() -> Preset {
 	Preset {
 		course: "23ws-malo2".into(),
 		label: "Mathematische Logik II".into(),
@@ -38,7 +38,7 @@ fn preset_23ws_malo2() -> Preset {
 	}
 }
 
-fn preset_24ss_algomod() -> Preset {
+pub fn preset_24ss_algomod() -> Preset {
 	Preset {
 		course: "24ss-algomod".into(),
 		label: "Algorithmische Modelltheorie".into(),
@@ -49,7 +49,7 @@ fn preset_24ss_algomod() -> Preset {
 	}
 }
 
-fn preset_24ss_qc() -> Preset {
+pub fn preset_24ss_qc() -> Preset {
 	Preset {
 		course: "24ss-qc".into(),
 		label: "Introduction to Quantum Computing".into(),
@@ -61,7 +61,7 @@ fn preset_24ss_qc() -> Preset {
 }
 
 impl Preset {
-	pub(crate) fn find(name: &str) -> anyhow::Result<Self> {
+	pub fn find(name: &str) -> anyhow::Result<Self> {
 		match fs::read(name) {
 			Ok(buf) => return Ok(toml::from_slice(&buf)?),
 			Err(err) if err.kind() == io::ErrorKind::NotFound => {},

src/project.rs

@@ -14,7 +14,7 @@ macro_rules! resolutions {
 	($($res:ident: $width:literal x $height:literal at $bitrate:literal in $format:ident),+) => {
 		#[allow(non_camel_case_types, clippy::upper_case_acronyms)]
 		#[derive(Clone, Copy, Debug, Deserialize, Eq, Ord, PartialEq, PartialOrd, Serialize)]
-		pub(crate) enum Resolution {
+		pub enum Resolution {
 			$(
 				#[doc = concat!(stringify!($width), "x", stringify!($height))]
 				$res
@@ -28,29 +28,29 @@ macro_rules! resolutions {
 		};
 
 		impl Resolution {
-			pub(crate) fn values() -> [Self; NUM_RESOLUTIONS] {
+			pub fn values() -> [Self; NUM_RESOLUTIONS] {
 				[$(Self::$res),+]
 			}
 
-			pub(crate) fn width(self) -> usize {
+			pub fn width(self) -> usize {
 				match self {
 					$(Self::$res => $width),+
 				}
 			}
 
-			pub(crate) fn height(self) -> usize {
+			pub fn height(self) -> usize {
 				match self {
 					$(Self::$res => $height),+
 				}
 			}
 
-			pub(crate) fn bitrate(self) -> u64 {
+			pub fn bitrate(self) -> u64 {
 				match self {
 					$(Self::$res => $bitrate),+
 				}
 			}
 
-			pub(crate) fn format(self) -> FfmpegOutputFormat {
+			pub fn format(self) -> FfmpegOutputFormat {
 				match self {
 					$(Self::$res => FfmpegOutputFormat::$format),+
 				}
@@ -80,85 +80,85 @@ resolutions! {
 }
 
 #[derive(Deserialize, Serialize)]
-pub(crate) struct Project {
-	pub(crate) lecture: ProjectLecture,
-	pub(crate) source: ProjectSource,
-	pub(crate) progress: ProjectProgress
+pub struct Project {
+	pub lecture: ProjectLecture,
+	pub source: ProjectSource,
+	pub progress: ProjectProgress
 }
 
 #[serde_as]
 #[derive(Deserialize, Serialize)]
-pub(crate) struct ProjectLecture {
-	pub(crate) course: String,
-	pub(crate) label: String,
-	pub(crate) docent: String,
+pub struct ProjectLecture {
+	pub course: String,
+	pub label: String,
+	pub docent: String,
 	#[serde_as(as = "DisplayFromStr")]
-	pub(crate) date: Date,
+	pub date: Date,
 	#[serde(default = "Default::default")]
 	#[serde_as(as = "DisplayFromStr")]
-	pub(crate) lang: Language<'static>
+	pub lang: Language<'static>
 }
 
 #[serde_as]
 #[derive(Deserialize, Serialize)]
-pub(crate) struct ProjectSource {
-	pub(crate) files: Vec<String>,
-	pub(crate) stereo: bool,
+pub struct ProjectSource {
+	pub files: Vec<String>,
+	pub stereo: bool,
 
 	#[serde_as(as = "Option<DisplayFromStr>")]
-	pub(crate) start: Option<Time>,
+	pub start: Option<Time>,
 	#[serde_as(as = "Option<DisplayFromStr>")]
-	pub(crate) end: Option<Time>,
+	pub end: Option<Time>,
 
 	#[serde(default)]
 	#[serde_as(as = "Vec<(DisplayFromStr, DisplayFromStr)>")]
-	pub(crate) fast: Vec<(Time, Time)>,
+	pub fast: Vec<(Time, Time)>,
 
 	#[serde(default)]
 	#[serde_as(as = "Vec<(DisplayFromStr, DisplayFromStr, _)>")]
-	pub(crate) questions: Vec<(Time, Time, String)>,
+	pub questions: Vec<(Time, Time, String)>,
 
-	pub(crate) metadata: Option<ProjectSourceMetadata>
+	pub metadata: Option<ProjectSourceMetadata>
 }
 
 #[serde_as]
 #[derive(Deserialize, Serialize)]
-pub(crate) struct ProjectSourceMetadata {
+pub struct ProjectSourceMetadata {
 	/// The duration of the source video.
 	#[serde_as(as = "DisplayFromStr")]
-	pub(crate) source_duration: Time,
+	pub source_duration: Time,
 	/// The FPS of the source video.
 	#[serde_as(as = "DisplayFromStr")]
-	pub(crate) source_fps: Rational,
+	pub source_fps: Rational,
 	/// The time base of the source video.
 	#[serde_as(as = "DisplayFromStr")]
-	pub(crate) source_tbn: Rational,
+	pub source_tbn: Rational,
 	/// The resolution of the source video.
-	pub(crate) source_res: Resolution,
+	pub source_res: Resolution,
 	/// The sample rate of the source audio.
-	pub(crate) source_sample_rate: u32
+	pub source_sample_rate: u32
 }
 
 #[derive(Default, Deserialize, Serialize)]
-pub(crate) struct ProjectProgress {
+pub struct ProjectProgress {
 	#[serde(default)]
-	pub(crate) preprocessed: bool,
+	pub preprocessed: bool,
 
 	#[serde(default)]
-	pub(crate) asked_start_end: bool,
+	pub asked_start_end: bool,
 
 	#[serde(default)]
-	pub(crate) asked_fast: bool,
+	pub asked_fast: bool,
 
 	#[serde(default)]
-	pub(crate) asked_questions: bool,
+	pub asked_questions: bool,
 
 	#[serde(default)]
-	pub(crate) rendered_assets: bool,
+	pub rendered_assets: bool,
 
 	#[serde(default)]
-	pub(crate) rendered: bool,
+	pub rendered: bool,
 
 	#[serde(default)]
-	pub(crate) transcoded: BTreeSet<Resolution>
+	pub transcoded: BTreeSet<Resolution>
 }

src/question.rs

@@ -1,4 +1,4 @@
-use crate::{iotro::Language, Resolution};
+use crate::{iotro::Language, project::Resolution};
 use fontconfig::Fontconfig;
 use harfbuzz_rs::{Face, Font, Owned, UnicodeBuffer};
 use std::sync::OnceLock;

src/render/ffmpeg.rs

@@ -1,8 +1,8 @@
 use super::{cmd, filter::Filter};
 use crate::{
+	project::Resolution,
 	render::filter::channel,
-	time::{format_time, Time},
-	Resolution
+	time::{format_time, Time}
 };
 use anyhow::bail;
 use camino::Utf8PathBuf as PathBuf;

src/render/mod.rs

@@ -119,7 +119,7 @@ fn ffprobe_audio(query: &str, concat_input: &Path) -> anyhow::Result<String> {
 	)
 }
 
-pub(crate) struct Renderer<'a> {
+pub struct Renderer<'a> {
 	/// The directory with all the sources.
 	directory: &'a Path,
 
@@ -175,7 +175,7 @@ fn svg2png(svg: &Path, png: &Path, width: usize, height: usize) -> anyhow::Resul
 }
 
 impl<'a> Renderer<'a> {
-	pub(crate) fn new(directory: &'a Path, project: &Project) -> anyhow::Result<Self> {
+	pub fn new(directory: &'a Path, project: &Project) -> anyhow::Result<Self> {
 		let slug = format!(
 			"{}-{}",
 			project.lecture.course,
@@ -210,7 +210,7 @@ impl<'a> Renderer<'a> {
 		})
 	}
 
-	pub(crate) fn recording_mkv(&self) -> PathBuf {
+	pub fn recording_mkv(&self) -> PathBuf {
 		self.target.join("recording.mkv")
 	}
 
@@ -230,7 +230,7 @@ impl<'a> Renderer<'a> {
 		self.target.join(format!("question{q_idx}.png"))
 	}
 
-	pub(crate) fn preprocess(&self, project: &mut Project) -> anyhow::Result<()> {
+	pub fn preprocess(&self, project: &mut Project) -> anyhow::Result<()> {
 		assert!(!project.progress.preprocessed);
 
 		let recording_txt = self.target.join("recording.txt");
@@ -283,7 +283,7 @@ impl<'a> Renderer<'a> {
 	}
 
 	/// Prepare assets like intro, outro and questions.
-	pub(crate) fn render_assets(&self, project: &Project) -> anyhow::Result<()> {
+	pub fn render_assets(&self, project: &Project) -> anyhow::Result<()> {
 		let metadata = project.source.metadata.as_ref().unwrap();
 
 		println!();
@@ -375,11 +375,11 @@ impl<'a> Renderer<'a> {
 	}
 
 	/// Get the video file directly outputed to further transcode.
-	pub(crate) fn video_file_output(&self) -> PathBuf {
+	pub fn video_file_output(&self) -> PathBuf {
 		self.target.join(format!("{}.mkv", self.slug))
 	}
 
-	pub(crate) fn render(&self, project: &mut Project) -> anyhow::Result<PathBuf> {
+	pub fn render(&self, project: &mut Project) -> anyhow::Result<PathBuf> {
 		let source_res = project.source.metadata.as_ref().unwrap().source_res;
 
 		let output = self.video_file_output();