Update app.py

app.py

@@ -22,8 +22,10 @@ async def process(req: VideoJsonRequest):
         with open(v_p, "wb") as f: f.write(base64.b64decode(req.video_base64))
         probe = subprocess.run(["ffprobe", "-v", "error", "-show_entries", "format=duration", "-of", "default=noprint_wrappers=1:nokey=1", v_p], capture_output=True, text=True).stdout
         dur = float(probe.strip() or 0)
+        print(f"fps={1/max(dur,1)}")
+        f"fps={15/max(dur,1)}",
         # Extract 15 frames
-        subprocess.run(["ffmpeg", "-y", "-i", v_p, "-vf", f"fps={1/max(dur,1)}", "-vframes", "15", "-q:v", "5", f"{tmp}/f_%03d.jpg"])
+        subprocess.run(["ffmpeg", "-y", "-i", v_p, "-vf", f"fps={15/max(dur,1)}", "-vframes", "15", "-q:v", "5", f"{tmp}/f_%03d.jpg"])
         # Transcribe
         subprocess.run(["ffmpeg", "-y", "-i", v_p, "-vn", "-acodec", "pcm_s16le", "-ar", "16000", "-ac", "1", a_p])
         txt = whisper_model.transcribe(a_p)["text"].strip()