A:增加任务进度展示

convert.py

@@ -15,6 +15,7 @@ import argparse
 import subprocess
 import shutil
 import sys
+import time
 from pathlib import Path
 from concurrent.futures import ThreadPoolExecutor, as_completed
 
@@ -158,6 +159,17 @@ def _parse_number_total(number_value: str | None, total_value: str | None) -> tu
     return number, (total or 0)
 
 
+def _format_duration(seconds: float | None) -> str:
+    if seconds is None or seconds < 0:
+        return "--:--"
+    total = int(seconds + 0.5)
+    mins, secs = divmod(total, 60)
+    hours, mins = divmod(mins, 60)
+    if hours:
+        return f"{hours:d}:{mins:02d}:{secs:02d}"
+    return f"{mins:02d}:{secs:02d}"
+
+
 def _mp4_freeform_values(values: list[str]) -> list:
     if not values:
         return []
@@ -428,6 +440,10 @@ def main():
 
     max_workers = max(1, os.cpu_count() / 2 or 4)
     successes = 0
+    failures = 0
+    completed = 0
+    total_targets = len(tasks)
+    start_time = time.monotonic()
 
     print(f"Using ffmpeg at: {FFMPEG_BIN}")
     if not HAS_MUTAGEN:
@@ -457,11 +473,21 @@ def main():
         for future in as_completed(future_map):
             src, dst = future_map[future]
             ok = future.result()
+            completed += 1
             if ok:
                 successes += 1
-                print(f"[OK  ] {src} -> {dst}")
+                status = "[OK  ]"
             else:
-                print(f"[FAIL] {src} -> {dst}")
+                failures += 1
+                status = "[FAIL]"
+
+            elapsed = time.monotonic() - start_time
+            rate = (completed / elapsed) if elapsed > 0 else 0.0
+            remaining = total_targets - completed
+            eta = (remaining / rate) if rate > 0 else None
+            pct = (completed / total_targets * 100.0) if total_targets else 100.0
+            progress = f"[{completed}/{total_targets} {pct:5.1f}% ETA {_format_duration(eta)}]"
+            print(f"{progress} {status} {src} -> {dst}", flush=True)
 
     print(f"\nDone. {successes}/{len(tasks)} target(s) written from {len(files)} source file(s).")