The attached patch checks the length and prints warnings if lengths differ by a at least 1 second.
In your case, it prints: "Warning: Length changed (-51 sec). If the file does not work, try a different decoder."
Is this solution acceptable for you?
The attached patch checks the length and prints warnings if lengths differ by a at least 1 second.
In your case, it prints:
"Warning: Length changed (-51 sec). If the file does not work, try a different decoder."
Is this solution acceptable for you?