URL Processing:

Added URL pre-filtering to avoid unnecessary yt-dlp checks
Added common video platform patterns for quick filtering
Reduced error logging noise from non-URL words
Improved URL validation efficiency
FFmpeg Management:

Enhanced FFmpeg binary verification
Added robust error handling for subprocess calls
Improved cleanup of failed operations
Added detailed logging for binary operations
Error Handling:

Fixed exception hierarchy in utils/exceptions.py
Added proper error types for different failure scenarios
Enhanced error messages with more context
Improved error propagation through the system
Process Flow:

Added proper timeout handling for subprocess calls
Enhanced environment variable handling
Better cleanup after failures
Added retry mechanisms for failed operations

videoarchiver/ffmpeg/exceptions.py

@@ -16,7 +16,9 @@ class DownloadError(FFmpegError):
 class VerificationError(FFmpegError):
     """Exception raised when FFmpeg verification fails"""
 
-    pass
+    def __init__(self, message: str, binary_type: str = "FFmpeg"):
+        self.binary_type = binary_type
+        super().__init__(f"{binary_type} verification failed: {message}")
 
 
 class EncodingError(FFmpegError):
@@ -142,5 +144,9 @@ def handle_ffmpeg_error(error_output: str) -> FFmpegError:
         return BitrateError("Bitrate requirements not met", 0, 0)
     elif "timeout" in error_output:
         return TimeoutError("Operation timed out")
+    elif "version" in error_output:
+        return VerificationError("Version check failed")
+    elif "verification" in error_output:
+        return VerificationError(error_output)
     else:
         return FFmpegError(f"FFmpeg operation failed: {error_output}")