Add scan depth, exit codes, and fix validation test

vid-repair-core/src/scan/decode.rs

@@ -5,6 +5,7 @@ use std::sync::{Arc, atomic::{AtomicBool, Ordering}};
 
 use anyhow::{Context, Result};
 
+use crate::config::ScanDepth;
 use crate::rules::RuleSet;
 
 #[derive(Debug)]
@@ -13,12 +14,18 @@ pub struct DecodeOutput {
     pub early_stop: bool,
 }
 
-pub fn run_decode(path: &Path, ffmpeg_path: &str, ruleset: &RuleSet) -> Result<DecodeOutput> {
+pub fn run_decode(
+    path: &Path,
+    ffmpeg_path: &str,
+    ruleset: &RuleSet,
+    depth: ScanDepth,
+) -> Result<DecodeOutput> {
     let mut child = Command::new(ffmpeg_path)
         .arg("-v")
         .arg("error")
         .arg("-i")
         .arg(path)
+        .args(depth_args(depth))
         .arg("-f")
         .arg("null")
         .arg("-")
@@ -58,6 +65,14 @@ pub fn run_decode(path: &Path, ffmpeg_path: &str, ruleset: &RuleSet) -> Result<D
     })
 }
 
+fn depth_args(depth: ScanDepth) -> Vec<&'static str> {
+    match depth {
+        ScanDepth::Quick => vec!["-t", "5"],
+        ScanDepth::Standard => vec!["-t", "30"],
+        ScanDepth::Deep => vec![],
+    }
+}
+
 fn should_stop(line: &str, ruleset: &RuleSet) -> bool {
     for rule in &ruleset.rules {
         if !rule.rule.stop_scan {

vid-repair-core/src/scan/mod.rs

@@ -2,7 +2,7 @@ use std::path::Path;
 
 use anyhow::Result;
 
-use crate::config::Config;
+use crate::config::{Config, ScanDepth};
 use crate::rules::{build_context, RuleMatch, RuleSet};
 
 mod decode;
@@ -14,10 +14,19 @@ pub use types::{Issue, ProbeData, ScanOutcome, ScanRequest};
 pub fn scan_file(path: &Path, config: &Config, ruleset: &RuleSet) -> Result<ScanOutcome> {
     let probe = ffprobe::run_ffprobe(path, &config.ffprobe_path)?;
 
-    let decode = decode::run_decode(path, &config.ffmpeg_path, ruleset)?;
+    let mut decode = decode::run_decode(path, &config.ffmpeg_path, ruleset, config.scan.depth)?;
 
     let context = build_context(&probe);
-    let matches = ruleset.match_lines(&decode.lines, &context);
+    let mut matches = ruleset.match_lines(&decode.lines, &context);
+
+    if config.scan.auto_escalate
+        && config.scan.depth != ScanDepth::Deep
+        && !decode.early_stop
+        && !matches.is_empty()
+    {
+        decode = decode::run_decode(path, &config.ffmpeg_path, ruleset, ScanDepth::Deep)?;
+        matches = ruleset.match_lines(&decode.lines, &context);
+    }
 
     let issues = matches
         .iter()