Added a simple program loop to repeatedly check for new video files
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@ -3,32 +3,32 @@ use std::fs;
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#[derive(Deserialize)]
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pub struct Config {
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pub transcoder: Transcoder,
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pub transcoder: Transcoder,
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}
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impl Config {
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pub fn new(config_path: &str) -> Config {
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let resolved_path = shellexpand::tilde(config_path);
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let config_text = fs::read_to_string(&*resolved_path).unwrap();
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let c: Config = toml::from_str(&config_text).unwrap();
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return c;
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}
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pub fn new(config_path: &str) -> Config {
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let resolved_path = shellexpand::tilde(config_path);
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let config_text = fs::read_to_string(&*resolved_path).unwrap();
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let c: Config = toml::from_str(&config_text).unwrap();
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return c;
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}
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pub fn get_repository(&self) -> String {
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let resolved_path = shellexpand::tilde(&self.transcoder.repository);
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return String::from(&*resolved_path);
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}
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pub fn get_repository(&self) -> String {
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let resolved_path = shellexpand::tilde(&self.transcoder.repository);
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return String::from(&*resolved_path);
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}
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}
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#[derive(Deserialize)]
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pub struct Transcoder {
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pub repository: String,
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pub interval: u16,
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pub video_format: String,
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pub video_codec: String,
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pub video_profile: String,
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pub video_resolution: String,
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pub video_framerate: u8,
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pub video_color: String,
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pub audio_codec: String,
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pub repository: String,
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pub interval: u16,
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pub video_format: String,
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pub video_codec: String,
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pub video_profile: String,
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pub video_resolution: String,
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pub video_framerate: u8,
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pub video_color: String,
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pub audio_codec: String,
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}
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@ -2,86 +2,86 @@ use std::fs;
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use std::path::Path;
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pub struct Repository {
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pub base_dir: String,
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pub ingest_dir: String,
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pub archive_dir: String,
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pub output_dir: String,
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pub base_dir: String,
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pub ingest_dir: String,
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pub archive_dir: String,
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pub output_dir: String,
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}
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impl Repository {
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pub fn new(base_path: &str) -> Repository {
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// create the base directory path
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create_directory(base_path);
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pub fn new(base_path: &str) -> Repository {
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// create the base directory path
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create_directory(base_path);
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// create the needed sub-directories
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let ingest_path = Path::new(base_path).join("ingest");
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create_directory(ingest_path.to_str().unwrap());
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let archive_path = Path::new(base_path).join("archive");
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create_directory(archive_path.to_str().unwrap());
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let output_path = Path::new(base_path).join("output");
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create_directory(output_path.to_str().unwrap());
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// create the needed sub-directories
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let ingest_path = Path::new(base_path).join("ingest");
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create_directory(ingest_path.to_str().unwrap());
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let archive_path = Path::new(base_path).join("archive");
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create_directory(archive_path.to_str().unwrap());
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let output_path = Path::new(base_path).join("output");
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create_directory(output_path.to_str().unwrap());
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return Repository {
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base_dir: String::from(base_path),
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ingest_dir: String::from(ingest_path.to_str().unwrap()),
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archive_dir: String::from(archive_path.to_str().unwrap()),
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output_dir: String::from(output_path.to_str().unwrap()),
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};
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}
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return Repository {
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base_dir: String::from(base_path),
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ingest_dir: String::from(ingest_path.to_str().unwrap()),
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archive_dir: String::from(archive_path.to_str().unwrap()),
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output_dir: String::from(output_path.to_str().unwrap()),
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};
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}
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pub fn search_ingest(&self) -> Vec<String> {
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// read file entries from ingest
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let files = fs::read_dir(&self.ingest_dir).unwrap();
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pub fn search_ingest(&self) -> Vec<String> {
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// read file entries from ingest
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let files = fs::read_dir(&self.ingest_dir).unwrap();
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// create vec object and loop through entries to find what we want
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let mut ingest_files: Vec<String> = vec![];
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for f in files {
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let f = f.unwrap();
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let path = f.path();
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if path.is_file() {
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let file_path = path.file_name().unwrap().to_str();
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ingest_files.push(String::from(file_path.unwrap()));
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}
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}
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// create vec object and loop through entries to find what we want
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let mut ingest_files: Vec<String> = vec![];
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for f in files {
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let f = f.unwrap();
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let path = f.path();
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if path.is_file() {
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let file_path = path.file_name().unwrap().to_str();
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ingest_files.push(String::from(file_path.unwrap()));
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}
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}
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return ingest_files;
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}
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return ingest_files;
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}
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pub fn archive_file(&self, file: &str) {
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let ingest_file = Path::new(&self.ingest_dir).join(file);
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let archive_file = Path::new(&self.archive_dir).join(file);
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pub fn archive_file(&self, file: &str) {
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let ingest_file = Path::new(&self.ingest_dir).join(file);
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let archive_file = Path::new(&self.archive_dir).join(file);
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match fs::copy(&ingest_file, &archive_file) {
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Ok(_) => {
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println!("Archiving video file {}.", ingest_file.to_str().unwrap());
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},
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Err(e) => {
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eprintln!("Error archiving file {}: {}", ingest_file.to_str().unwrap(), e);
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std::process::exit(1);
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}
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}
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}
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match fs::copy(&ingest_file, &archive_file) {
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Ok(_) => {
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println!("Archiving video file {}.", ingest_file.to_str().unwrap());
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},
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Err(e) => {
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eprintln!("Error archiving file {}: {}", ingest_file.to_str().unwrap(), e);
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std::process::exit(1);
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}
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}
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}
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pub fn cleanup_file(&self, file: &str) {
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let ingest_file = Path::new(&self.ingest_dir).join(file);
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fs::remove_file(&ingest_file)
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.expect("File deletion failed.");
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}
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pub fn cleanup_file(&self, file: &str) {
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let ingest_file = Path::new(&self.ingest_dir).join(file);
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fs::remove_file(&ingest_file)
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.expect("File deletion failed.");
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}
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}
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fn create_directory(path: &str) {
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let d = Path::new(path);
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if d.is_dir() {
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println!("Directory {} already exists.", path);
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} else {
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match fs::create_dir(path) {
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Ok(_) => {
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println!("Creating directory {}.", path);
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},
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Err(e) => {
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eprintln!("Error creating {}: {}", path, e);
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std::process::exit(1);
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}
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}
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}
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let d = Path::new(path);
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if d.is_dir() {
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println!("Directory {} already exists.", path);
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} else {
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match fs::create_dir(path) {
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Ok(_) => {
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println!("Creating directory {}.", path);
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},
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Err(e) => {
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eprintln!("Error creating {}: {}", path, e);
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std::process::exit(1);
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}
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}
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}
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}
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@ -1,61 +1,73 @@
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use std::path::Path;
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use std::process;
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use std::{thread, time};
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use crate::config::Config;
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use crate::repository::Repository;
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pub struct Transcoder {
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config: Config,
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repository: Repository,
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config: Config,
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repository: Repository,
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}
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impl Transcoder {
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pub fn new(config: Config, repository: Repository) -> Transcoder {
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return Transcoder{
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config: config,
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repository: repository,
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}
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}
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pub fn new(config: Config, repository: Repository) -> Transcoder {
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return Transcoder{
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config: config,
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repository: repository,
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}
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}
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pub fn start(self) {
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println!("Starting transcoder...");
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pub fn start(self) {
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println!("Starting transcoder...");
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// search for files in ingest
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let ingest_files = self.repository.search_ingest();
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loop {
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// search for files in ingest
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let ingest_files = self.repository.search_ingest();
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for i in ingest_files {
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// copy the file to the archive
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self.repository.archive_file(&i);
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// check if we found any files to transcode
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if ingest_files.len() < 1 {
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println!("There were no files found in ingest to transcode; skipping run.");
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} else {
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for i in ingest_files {
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// copy the file to the archive
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self.repository.archive_file(&i);
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// perform the video transcode
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self.transcode(&i);
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// perform the video transcode
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self.transcode(&i);
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// remove the source file
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self.repository.cleanup_file(&i);
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}
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}
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// remove the source file
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self.repository.cleanup_file(&i);
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}
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}
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fn transcode(&self, file: &str) {
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let ingest_file = Path::new(&self.repository.ingest_dir).join(file);
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let output_file = Path::new(&self.repository.output_dir).join(file);
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// put the loop to sleep for X minutes
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let sleep_minutes = time::Duration::from_secs((self.config.transcoder.interval * 60).into());
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thread::sleep(sleep_minutes);
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}
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}
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let cmd_output = process::Command::new("/usr/bin/ffmpeg")
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.arg("-i") .arg(&*ingest_file.to_string_lossy())
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.arg("-y")
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.arg("-f") .arg(&self.config.transcoder.video_format)
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.arg("-c:v") .arg(&self.config.transcoder.video_codec)
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.arg("-s") .arg(&self.config.transcoder.video_resolution)
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.arg("-r") .arg(format!("{}", self.config.transcoder.video_framerate))
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.arg("-vf") .arg(format!("format={}", &self.config.transcoder.video_color))
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.arg("-profile:v").arg(&self.config.transcoder.video_profile)
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.arg("-c:a") .arg(&self.config.transcoder.audio_codec)
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.arg(&*output_file.to_string_lossy())
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.output()
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.expect("Failed to execute command");
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fn transcode(&self, file: &str) {
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let ingest_file = Path::new(&self.repository.ingest_dir).join(file);
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let output_file = Path::new(&self.repository.output_dir).join(file);
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assert!(cmd_output.status.success());
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let cmd_output = process::Command::new("/usr/bin/ffmpeg")
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.arg("-i") .arg(&*ingest_file.to_string_lossy())
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.arg("-y")
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.arg("-f") .arg(&self.config.transcoder.video_format)
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.arg("-c:v") .arg(&self.config.transcoder.video_codec)
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.arg("-s") .arg(&self.config.transcoder.video_resolution)
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.arg("-r") .arg(format!("{}", self.config.transcoder.video_framerate))
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.arg("-vf") .arg(format!("format={}", &self.config.transcoder.video_color))
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.arg("-profile:v").arg(&self.config.transcoder.video_profile)
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.arg("-c:a") .arg(&self.config.transcoder.audio_codec)
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.arg(&*output_file.to_string_lossy())
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.output()
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.expect("Failed to execute command");
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let results_raw = &String::from_utf8_lossy(&cmd_output.stderr);
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println!("{}", results_raw);
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}
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assert!(cmd_output.status.success());
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let results_raw = &String::from_utf8_lossy(&cmd_output.stderr);
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println!("{}", results_raw);
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}
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}
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