Update app.py
Browse files
app.py
CHANGED
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@@ -5,9 +5,8 @@ from huggingface_hub import snapshot_download
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from nemo.collections import asr as nemo_asr
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import gradio as gr
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# 1. CONFIGURATION
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DEVICE = "cuda" if torch.cuda.is_available() else "cpu"
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MODELS = {
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"Soloba V3 (CTC)": ("RobotsMali/soloba-ctc-0.6b-v3", "ctc"),
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"Soloba V2 (CTC)": ("RobotsMali/soloba-ctc-0.6b-v2", "ctc"),
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@@ -23,7 +22,6 @@ MODELS = {
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"Traduction Soloni (ST)": ("RobotsMali/st-soloni-114m-tdt-ctc", "rnnt"),
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}
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# Détection de la vidéo d'exemple dans le dossier local
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def find_example_video():
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paths = ["examples/MARALINKE_FIXED.mp4", "examples/MARALINKE.mp4", "MARALINKE.mp4"]
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for p in paths:
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@@ -33,64 +31,65 @@ def find_example_video():
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EXAMPLE_PATH = find_example_video()
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_cache = {}
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# 2.
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def clear_memory():
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_cache.clear()
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gc.collect()
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if torch.cuda.is_available():
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torch.cuda.empty_cache()
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def get_model(name):
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if name in _cache: return _cache[name]
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folder = snapshot_download(repo, local_dir_use_symlinks=False)
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nemo_file = next((os.path.join(folder, f) for f in os.listdir(folder) if f.endswith(".nemo")), None)
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from nemo.core.connectors.save_restore_connector import SaveRestoreConnector
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model = nemo_asr.models.ASRModel.restore_from(
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nemo_file,
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map_location=torch.device(DEVICE),
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save_restore_connector=SaveRestoreConnector()
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)
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model.to(DEVICE).eval()
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if DEVICE == "cuda":
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model.half()
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_cache[name] = model
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return model
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# 3. TRANSCRIPTION ET RENDU
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def format_srt_time(sec):
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td = time.gmtime(sec)
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ms = int((sec - int(sec)) * 1000)
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return f"{time.strftime('%H:%M:%S', td)},{ms:03}"
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def pipeline(video_in, model_name):
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tmp_dir = tempfile.mkdtemp()
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try:
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if not video_in:
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full_wav = os.path.join(tmp_dir, "full.wav")
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subprocess.run(f"ffmpeg -y -threads 0 -i {shlex.quote(video_in)} -vn -ac 1 -ar 16000 {full_wav}", shell=True, check=True)
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subprocess.run(f"ffmpeg -i {full_wav} -f segment -segment_time 20 -c copy {os.path.join(tmp_dir, 'seg_%03d.wav')}", shell=True, check=True)
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audio_segments = sorted(glob.glob(os.path.join(tmp_dir, "seg_*.wav")))
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#
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yield f"
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model = get_model(model_name)
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all_words_ts = []
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for idx, hyp in enumerate(batch_hypotheses):
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base_time = idx * 20
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if isinstance(hyp, list): hyp = hyp[0]
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text = hyp.text if hasattr(hyp, 'text') else str(hyp)
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@@ -99,7 +98,8 @@ def pipeline(video_in, model_name):
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for i, w in enumerate(words):
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all_words_ts.append({"word": w, "start": base_time + (i * gap), "end": base_time + ((i+1) * gap)})
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#
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srt_path = os.path.join(tmp_dir, "final.srt")
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with open(srt_path, "w", encoding="utf-8") as f:
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for i in range(0, len(all_words_ts), 6):
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@@ -107,38 +107,39 @@ def pipeline(video_in, model_name):
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f.write(f"{(i//6)+1}\n{format_srt_time(chunk[0]['start'])} --> {format_srt_time(chunk[-1]['end'])}\n")
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f.write(" ".join([c['word'] for c in chunk]) + "\n\n")
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yield "🚀 Phase 4 : Encodage Vidéo...", None
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out_path = os.path.abspath(f"robotsmali_final_{int(time.time())}.mp4")
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safe_srt = srt_path.replace("\\", "/").replace(":", "\\:")
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subprocess.run(cmd, shell=True, check=True)
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yield "✅ Succès !", out_path
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except Exception as e:
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yield f"❌ Erreur : {str(e)}", None
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finally:
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if os.path.exists(tmp_dir): shutil.rmtree(tmp_dir)
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# 4. INTERFACE GRADIO
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with gr.Blocks(theme=gr.themes.Soft()) as demo:
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gr.HTML("<
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with gr.Row():
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with gr.Column():
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v_input = gr.Video(label="
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m_input = gr.Dropdown(choices=list(MODELS.keys()), value="Soloba V3 (CTC)", label="Modèle")
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run_btn = gr.Button("🚀 LANCER
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if EXAMPLE_PATH:
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gr.Examples(examples=[[EXAMPLE_PATH, "Soloba V3 (CTC)"]], inputs=[v_input, m_input])
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with gr.Column():
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status = gr.Markdown("
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v_output = gr.Video(label="
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run_btn.click(pipeline, [v_input, m_input], [status, v_output])
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from nemo.collections import asr as nemo_asr
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import gradio as gr
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# 1. CONFIGURATION
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DEVICE = "cuda" if torch.cuda.is_available() else "cpu"
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MODELS = {
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"Soloba V3 (CTC)": ("RobotsMali/soloba-ctc-0.6b-v3", "ctc"),
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"Soloba V2 (CTC)": ("RobotsMali/soloba-ctc-0.6b-v2", "ctc"),
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"Traduction Soloni (ST)": ("RobotsMali/st-soloni-114m-tdt-ctc", "rnnt"),
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}
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def find_example_video():
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paths = ["examples/MARALINKE_FIXED.mp4", "examples/MARALINKE.mp4", "MARALINKE.mp4"]
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for p in paths:
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EXAMPLE_PATH = find_example_video()
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_cache = {}
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# 2. GESTION MÉMOIRE
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def get_model(name):
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if name in _cache: return _cache[name]
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_cache.clear()
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gc.collect()
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if torch.cuda.is_available(): torch.cuda.empty_cache()
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repo, _ = MODELS[name]
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folder = snapshot_download(repo, local_dir_use_symlinks=False)
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nemo_file = next((os.path.join(folder, f) for f in os.listdir(folder) if f.endswith(".nemo")), None)
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from nemo.core.connectors.save_restore_connector import SaveRestoreConnector
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model = nemo_asr.models.ASRModel.restore_from(
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nemo_file, map_location=torch.device(DEVICE),
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save_restore_connector=SaveRestoreConnector()
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)
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model.to(DEVICE).eval()
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if DEVICE == "cuda": model.half()
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_cache[name] = model
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return model
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def format_srt_time(sec):
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td = time.gmtime(sec)
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ms = int((sec - int(sec)) * 1000)
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return f"{time.strftime('%H:%M:%S', td)},{ms:03}"
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# 3. PIPELINE AVEC GÉNÉRATEUR (POUR ÉVITER LE TIMEOUT)
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def pipeline(video_in, model_name):
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tmp_dir = tempfile.mkdtemp()
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try:
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if not video_in:
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yield "❌ Erreur : Aucune vidéo détectée.", None
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return
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# Phase 1 : Extraction Audio
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yield "⏳ Phase 1/4 : Extraction de l'audio (FFmpeg)...", None
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full_wav = os.path.join(tmp_dir, "full.wav")
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subprocess.run(f"ffmpeg -y -threads 0 -i {shlex.quote(video_in)} -vn -ac 1 -ar 16000 {full_wav}", shell=True, check=True)
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# Phase 2 : Découpage
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yield "⏳ Phase 2/4 : Analyse et découpage des segments...", None
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subprocess.run(f"ffmpeg -i {full_wav} -f segment -segment_time 20 -c copy {os.path.join(tmp_dir, 'seg_%03d.wav')}", shell=True, check=True)
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audio_segments = sorted(glob.glob(os.path.join(tmp_dir, "seg_*.wav")))
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# Phase 3 : Transcription (C'est ici que ça coupe d'habitude)
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yield f"⏳ Phase 3/4 : Chargement de l'IA {model_name}...", None
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model = get_model(model_name)
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yield f"🎙️ Transcription de {len(audio_segments)} segments en cours...", None
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# Inférence Batch pour gagner du temps
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# On réduit le batch_size si on est sur CPU pour éviter de saturer la RAM
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b_size = 2 if DEVICE == "cpu" else 4
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batch_hypotheses = model.transcribe(audio_segments, batch_size=b_size, return_hypotheses=True)
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all_words_ts = []
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for idx, hyp in enumerate(batch_hypotheses):
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# On envoie un signal Gradio à chaque segment traité pour garder la connexion vivante
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yield f"📝 Traitement du texte : {idx+1}/{len(audio_segments)} segments finis...", None
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base_time = idx * 20
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if isinstance(hyp, list): hyp = hyp[0]
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text = hyp.text if hasattr(hyp, 'text') else str(hyp)
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for i, w in enumerate(words):
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all_words_ts.append({"word": w, "start": base_time + (i * gap), "end": base_time + ((i+1) * gap)})
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# Phase 4 : Rendu Final
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yield "⏳ Phase 4/4 : Incrustation des sous-titres dans la vidéo...", None
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srt_path = os.path.join(tmp_dir, "final.srt")
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with open(srt_path, "w", encoding="utf-8") as f:
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for i in range(0, len(all_words_ts), 6):
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f.write(f"{(i//6)+1}\n{format_srt_time(chunk[0]['start'])} --> {format_srt_time(chunk[-1]['end'])}\n")
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f.write(" ".join([c['word'] for c in chunk]) + "\n\n")
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out_path = os.path.abspath(f"resultat_{int(time.time())}.mp4")
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safe_srt = srt_path.replace("\\", "/").replace(":", "\\:")
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# Encodage ultra-rapide
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cmd = f"ffmpeg -y -threads 0 -i {shlex.quote(video_in)} -vf \"subtitles='{safe_srt}':force_style='Alignment=2,FontSize=18'\" -c:v libx264 -preset ultrafast -c:a copy {out_path}"
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subprocess.run(cmd, shell=True, check=True)
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yield "✅ Succès ! La vidéo est prête ci-dessous.", out_path
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except Exception as e:
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yield f"❌ Erreur critique : {str(e)}", None
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finally:
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if os.path.exists(tmp_dir): shutil.rmtree(tmp_dir)
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# 4. INTERFACE GRADIO AVEC TIMEOUT ÉTENDU
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with gr.Blocks(theme=gr.themes.Soft()) as demo:
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gr.HTML("<h1 style='text-align:center;'>🤖 RobotsMali Transcription Pro</h1>")
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with gr.Row():
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with gr.Column():
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v_input = gr.Video(label="Vidéo (MP4)")
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m_input = gr.Dropdown(choices=list(MODELS.keys()), value="Soloba V3 (CTC)", label="Modèle IA")
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run_btn = gr.Button("🚀 LANCER", variant="primary")
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if EXAMPLE_PATH:
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gr.Examples(examples=[[EXAMPLE_PATH, "Soloba V3 (CTC)"]], inputs=[v_input, m_input])
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with gr.Column():
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status = gr.Markdown("### État\nPrêt.")
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v_output = gr.Video(label="Vidéo finale")
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# Important : on utilise queue() pour gérer les longues attentes
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run_btn.click(pipeline, [v_input, m_input], [status, v_output])
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# Configuration de la file d'attente (Queue) pour éviter les coupures HTTP
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demo.queue(max_size=10).launch(show_error=True)
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