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nodes/FV_AudioDuration.py

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+import torch
+
+class AudioDuration:
+    @classmethod
+    def INPUT_TYPES(cls):
+        return {
+            "required": {
+                "audio": ("AUDIO",),
+            }
+        }
+
+    RETURN_TYPES = ("INT", "FLOAT")
+    RETURN_NAMES = ("duration_ms", "duration_sec")
+    FUNCTION = "run"
+    CATEGORY = "Fictiverse/Audio"
+
+    def run(self, audio):
+        waveform = audio["waveform"]
+        sample_rate = audio["sample_rate"]
+        duration_ms = int((waveform.shape[-1] / sample_rate) * 1000)
+        duration_sec = float(duration_ms) / 1000.0
+        return (duration_ms, duration_sec)
+
+NODE_CLASS_MAPPINGS = {
+    "Audio Duration": AudioDuration,
+}