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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,45 +1,90 @@ | ||
| use std::{env, fs::File, io::{BufRead, BufReader, Write}}; | ||
| use std::path::{Path, PathBuf}; | ||
| use std::{fs, fs::File, io::Write, thread}; | ||
| use std::path::PathBuf; | ||
| use std::process::Command; | ||
| use std::sync::Arc; | ||
| use std::sync::atomic::{AtomicBool, Ordering}; | ||
| use tokio::runtime::Runtime; | ||
| use whisper_cli::{Language, Model, Size, Transcript, Whisper}; | ||
|
|
||
| fn is_number(s: &str) -> bool { | ||
| s.chars().all(|c| c.is_digit(10)) | ||
| } | ||
|
|
||
| // 将srt时间格式转换为lrc时间格式 | ||
| fn format_time(time: &str) -> String { | ||
| let msec = &time[9..12]; | ||
| let sec = &time[6..8]; | ||
| let min = &time[3..5]; | ||
| pub static WHISPER: AtomicBool = AtomicBool::new(false); | ||
| pub static MERGE: AtomicBool = AtomicBool::new(false); | ||
|
|
||
| format!("[{}:{}.{:.2}]", min, sec, msec) | ||
| fn as_lrc(t: &Transcript) -> String { | ||
| t.word_utterances | ||
| .as_ref() | ||
| .unwrap_or(&t.utterances) | ||
| .iter() | ||
| .fold(String::new(), |lrc, fragment| { | ||
| lrc + | ||
| format!( | ||
| "[{:02}:{:02}.{:02}]{}\n", | ||
| fragment.start / 100 / 60, | ||
| fragment.start / 100, | ||
| fragment.start % 100, | ||
| fragment.text | ||
| ) | ||
| .as_str() | ||
| }) | ||
| } | ||
|
|
||
| fn srt2lrc(path: &str) -> Result<(), Box<dyn std::error::Error>> { | ||
| let output_filename = Path::new(path).with_extension("lrc"); | ||
|
|
||
| let file = File::open(path)?; | ||
| let reader = BufReader::new(file); | ||
| let lines = reader.lines().filter_map(|l| l.ok()); | ||
|
|
||
| let lrc_content = lines.fold(String::new(), |lrc, line| { | ||
| if is_number(&line) { | ||
| // 行号 | ||
| lrc | ||
| } else if line.is_empty() { | ||
| // 空行 | ||
| lrc | ||
| } else { | ||
| // 时间和文本内容 | ||
| let time = line.split_whitespace().nth(0).unwrap(); | ||
| let text = line.splitn(2, char::is_whitespace).nth(1).unwrap(); | ||
|
|
||
| let lrc_time = format_time(time); | ||
| format!("{}{}\n", lrc, lrc_time + " " + text) | ||
| pub fn whisper(rt: Arc<Runtime>, path: PathBuf, lang: Language, size: Size) { | ||
| rt.spawn(async move { | ||
| WHISPER.store(true, Ordering::Relaxed); | ||
| let mut w = Whisper::new(Model::new(size), Some(lang)).await; | ||
| if let Ok(ref t) = w.transcribe(&path, false, false) { | ||
| let lrc = as_lrc(t); | ||
| let srt = t.as_srt(); | ||
| let path_lrc = path.with_extension("lrc"); | ||
| let path_srt = path.with_extension("srt"); | ||
| let mut file = File::create(path_lrc).unwrap(); | ||
| file.write_all(lrc.as_bytes()).unwrap(); | ||
| let mut file = File::create(path_srt).unwrap(); | ||
| file.write_all(srt.as_bytes()).unwrap(); | ||
| } | ||
| WHISPER.store(false, Ordering::Relaxed); | ||
| }); | ||
| } | ||
|
|
||
| let mut output_file = File::create(output_filename)?; | ||
| output_file.write_all(lrc_content.as_bytes())?; | ||
| pub fn ffmpeg_merge(audio: Option<PathBuf>, image: Option<PathBuf>, subtitle: Option<PathBuf>) { | ||
| thread::spawn(move || { | ||
| MERGE.store(true, Ordering::Relaxed); | ||
| let mut cmd = Command::new("ffmpeg"); | ||
| if let Some(ref image) = image { | ||
| cmd.args([ | ||
| "-loop", | ||
| "1", | ||
| "-i", | ||
| image.to_str().unwrap(), | ||
| ]); | ||
| } | ||
| if let (Some(ref audio), Some(ref subtitle)) = (audio, subtitle) { | ||
| let output = audio.with_extension("mp4"); | ||
| if output.exists() { | ||
| fs::remove_file(output).unwrap_or(()); | ||
| } | ||
| cmd.args([ | ||
| "-i", | ||
| audio.to_str().unwrap(), | ||
| "-vf", | ||
| &format!("subtitles={}", subtitle.file_name().unwrap().to_str().unwrap()), | ||
| // "-c:v", | ||
| // "copy", | ||
| // "-c:a", | ||
| // "copy", | ||
| "-shortest", | ||
| audio.with_extension("mp4").to_str().unwrap(), | ||
| ]); | ||
| } else { | ||
| MERGE.store(false, Ordering::Relaxed); | ||
| return; | ||
| } | ||
| if let Ok(mut c) = cmd.spawn() { | ||
| if c.wait().is_err() { | ||
| MERGE.store(false, Ordering::Relaxed); | ||
| return; | ||
| } | ||
| } | ||
|
|
||
| Ok(()) | ||
| } | ||
| MERGE.store(false, Ordering::Relaxed); | ||
| }); | ||
| } |