Foolproof: Disable VAD if clip_timestamps is in use (#769)

* Foolproof: Disable VAD if clip_timestamps is in use

Prevent silly things to happen.

faster_whisper/transcribe.py

@@ -280,6 +280,7 @@ def transcribe(
           clip_timestamps: Union[str, List[float]]
             Comma-separated list start,end,start,end,... timestamps (in seconds) of clips to
              process. The last end timestamp defaults to the end of the file.
+             vad_filter will be ignored if clip_timestamps is used.
           hallucination_silence_threshold: Optional[float]
             When word_timestamps is True, skip silent periods longer than this threshold
              (in seconds) when a possible hallucination is detected
@@ -305,7 +306,7 @@ def transcribe(
             "Processing audio with duration %s", format_timestamp(duration)
         )
 
-        if vad_filter:
+        if vad_filter and clip_timestamps == "0":
             if vad_parameters is None:
                 vad_parameters = VadOptions()
             elif isinstance(vad_parameters, dict):