Add scripts

scripts/transcribe_chunked.sh

@@ -0,0 +1,64 @@
+#!/bin/bash
+# Транскрипция с разбивкой на чанки для длинных аудио
+
+set -euo pipefail
+
+MEETING_DIR="${1:-.}"
+CHUNKS_DIR="$MEETING_DIR/transcription"
+
+mkdir -p "$CHUNKS_DIR"
+
+# Get audio file
+WAV_FILE=$(ls "$MEETING_DIR"/*.wav 2>/dev/null || ls "$MEETING_DIR"/*.WAV 2>/dev/null)
+if [ -z "$WAV_FILE" ] || [ ! -f "$WAV_FILE" ]; then
+    echo "Error: No WAV file found"
+    exit 1
+fi
+
+# Duration
+DURATION=$(ffprobe -i "$WAV_FILE" -show_entries format=duration -v quiet -of csv="p=0")
+
+echo "Audio duration: $DURATION seconds"
+
+# Chunk settings
+chunk_duration=600
+offset=0
+chunk_num=0
+
+echo "Extracting chunks..."
+
+while (( $(echo "$offset < $DURATION" | bc -l) )); do
+    chunk_file="$CHUNKS_DIR/chunk_${chunk_num}.wav"
+    echo "Extracting chunk $chunk_num at offset $offset..."
+    
+    # Retry logic
+    for attempt in 1 2 3; do
+        if ffmpeg -i "$WAV_FILE" -ss "$offset" -t "$chunk_duration" -acodec pcm_s16le -ar 16000 "$chunk_file" -y 2>/dev/null; then
+            break
+        elif [ $attempt -eq 3 ]; then
+            echo "Error: Failed to extract chunk $chunk_num"
+            exit 1
+        fi
+        sleep 1
+    done
+    
+    offset=$((offset + chunk_duration))
+    ((chunk_num++))
+done
+
+echo "Transcribing $chunk_num chunks..."
+
+# Transcribe each chunk
+for i in $(seq 0 $((chunk_num - 1))); do
+    chunk_file="$CHUNKS_DIR/chunk_${i}.wav"
+    output_file="$CHUNKS_DIR/chunk_${i}.txt"
+    
+    echo "Transcribing chunk $i..."
+    MKL_SERVICE_FORCE_INTEL=1 OMP_NUM_THREADS=2 python3 "${BASH_SOURCE[0]%/*}/local_whisper.py" "$chunk_file" > "$output_file"
+done
+
+# Merge
+echo "Merging transcriptions..."
+cat "$CHUNKS_DIR"/chunk_*.txt > "$CHUNKS_DIR/merged_raw.txt"
+
+echo "Done. Output: $CHUNKS_DIR/merged_raw.txt"