ZeroGPU SAFE – 3 mín hljóð án timeout

app.py

@@ -1,17 +1,29 @@
-# app.py – Virkar á ZeroGPU – allt að 3 mínútur (180 sek)
+# app.py – ZeroGPU SAFE – 3 mín hljóð án "GPU task aborted"
 import os
 import gradio as gr
 import spaces
 from transformers import pipeline
 import numpy as np
+import librosa
 
 MODEL_NAME = "palli23/whisper-small-sam_spjall"
 
-@spaces.GPU
-def transcribe_long(audio_path):
+@spaces.GPU(duration=60)   # ← MEST 60 sek – ZeroGPU leyfir
+def transcribe_safe(audio_path):
     if not audio_path:
         return "Hladdu upp hljóðskrá"
     
+    # Hlaða hljóð og klippa í 20 sek chunkar (mjög öruggt)
+    audio, sr = librosa.load(audio_path, sr=16000)
+    chunk_len = 16000 * 20   # 20 sek
+    stride = 16000 * 2       # 2 sek overlap
+    chunks = []
+    for i in range(0, len(audio), chunk_len - stride):
+        chunk = audio[i:i + chunk_len]
+        if len(chunk) < 16000:  # undir 1 sek → hætta
+            break
+        chunks.append(chunk)
+    
     # Hlaða ASR á GPU (cached)
     pipe = pipeline(
         "automatic-speech-recognition",
@@ -20,35 +32,22 @@ def transcribe_long(audio_path):
         token=os.getenv("HF_TOKEN")
     )
     
-    # Chunkar – 30 sek + 2 sek overlap (besta niðurstaðan fyrir Whisper-small)
-    chunk_length_s = 30
-    stride_length_s = 2
-    
-    result = pipe(
-        audio_path,
-        chunk_length_s=chunk_length_s,
-        stride_length_s=(stride_length_s, stride_length_s),
-        return_timestamps=False,
-        batch_size=8
-    )
+    full_text = ""
+    for idx, chunk in enumerate(chunks):
+        result = pipe(chunk, batch_size=8)
+        full_text += result["text"] + " "
     
-    return result["text"]
+    return full_text.strip() or "Ekkert heyrt"
 
-# Gradio – fallegt og tilbúið fyrir 3 mín klippur
-with gr.Blocks(title="Íslenskt ASR – 3 mínútur") as demo:
-    gr.Markdown("# Íslenskt ASR – ZeroGPU (A100/T4)")
-    gr.Markdown("**Styður allt að 3 mínútna hljóðklippur · ~4 % WER · 25–45 sek transcribe**")
-    
-    audio = gr.Audio(
-        type="filepath",
-        label="Hladdu upp .mp3 / .wav / .m4a (allt að 3 mín)"
-    )
+# Gradio – fallegt og tilbúið fyrir 3 mín
+with gr.Blocks(title="Íslenskt ASR – 3 mín ZeroGPU") as demo:
+    gr.Markdown("# Íslenskt ASR – 3 mín hljóð")
+    gr.Markdown("**~4 % WER · 25–45 sek · ZeroGPU (PRO)**")
     
+    audio = gr.Audio(type="filepath", label="Hladdu upp .mp3 / .wav (allt að 3 mín)")
     btn = gr.Button("Transcribe (25–45 sek)", variant="primary", size="lg")
     out = gr.Textbox(lines=30, label="Útskrift")
     
-    btn.click(transcribe_long, inputs=audio, outputs=out)
-    
-    gr.Markdown("© 2025 – Einkaeign")
+    btn.click(transcribe_safe, inputs=audio, outputs=out)
 
 demo.launch(auth=("beta", "beta2025"))