Update transcode_bench.py

transcode_bench.py

@@ -11,10 +11,22 @@ import tempfile
 import os
 import threading
 import argparse
+import signal
+import atexit
 from pathlib import Path
 from typing import Optional, Tuple, List
 
 
+def restore_terminal():
+    """Restore terminal settings."""
+    if sys.platform != 'win32':
+        os.system('stty sane')
+
+
+# Register cleanup function
+atexit.register(restore_terminal)
+
+
 class HardwareAcceleration:
     """Detect and configure hardware acceleration."""
 
@@ -357,6 +369,7 @@ class TranscodeJob:
             self.start_time = time.time()
             self.process = subprocess.Popen(
                 cmd,
+                stdin=subprocess.DEVNULL,
                 stdout=subprocess.PIPE,
                 stderr=subprocess.PIPE,
                 text=True
@@ -439,9 +452,13 @@ class Benchmark:
         # If failed, print first error for debugging
         for job in jobs:
             if not job.success and hasattr(job, 'stderr'):
-                # Only print first few lines of error
-                error_lines = job.stderr.split('\n')[:5]
-                print(f"\n  Debug - First error: {' '.join(error_lines)}")
+                # Skip FFmpeg header and show actual error (last 10 non-empty lines)
+                error_lines = [line for line in job.stderr.split('\n') if line.strip()]
+                if len(error_lines) > 10:
+                    error_lines = error_lines[-10:]
+                print(f"\n  Debug - Error output:")
+                for line in error_lines:
+                    print(f"    {line}")
                 break
 
         return False, 0.0