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geograsim/App/sims/heli/scripts/generate-audio-openai.sh
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Adminator 79ac9dad84 Atlas: Deploy-Buendel vor Staustufen-Sprint
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Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-26 01:05:13 +02:00

98 lines
3.0 KiB
Bash

#!/usr/bin/env bash
# Generisches Audio-Batch-Script via OpenAI TTS.
# Nimmt JSON-Textbuch mit Struktur:
# { "lines": [ {"id": "...", "text": "..."} ] }
# und generiert MP3s in sounds/radio/<id>.mp3
#
# Voraussetzung: OPENAI_API_KEY (aus App/.env.local)
#
# Aufruf:
# set -a; source App/.env.local; set +a
# App/sims/heli/scripts/generate-audio-openai.sh tower-geo-lines.json
# App/sims/heli/scripts/generate-audio-openai.sh tower-start-lines.json
# FORCE=1 … überschreibt bestehende
# OPENAI_VOICE=shimmer … andere Stimme
set -e
: "${OPENAI_API_KEY:?OPENAI_API_KEY muss gesetzt sein}"
VOICE="${OPENAI_VOICE:-nova}"
MODEL="${OPENAI_MODEL:-gpt-4o-mini-tts}"
# Stil-Instruktion nur bei gpt-4o-mini-tts wirksam. Warmherzige Fluglotsin,
# ruhig, klare deutsche Aussprache, als ob sie Schuelerinnen begleitet.
INSTRUCTIONS="${OPENAI_TTS_INSTRUCTIONS:-Speak warmly and patiently like an encouraging female flight controller guiding a young student co-pilot. Unhurried, clear, friendly German pronunciation. Gentle reassuring tone, never robotic.}"
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
OUT_DIR="$SCRIPT_DIR/../sounds/radio"
mkdir -p "$OUT_DIR"
JSON_INPUT="$1"
if [ -z "$JSON_INPUT" ]; then
echo "Usage: $0 <json-file>"
exit 2
fi
JSON_FILE="$SCRIPT_DIR/$JSON_INPUT"
if [ ! -f "$JSON_FILE" ]; then
echo "Datei nicht gefunden: $JSON_FILE"; exit 2
fi
echo "Modell: $MODEL · Stimme: $VOICE"
echo "Quelle: $JSON_INPUT"
echo
generate() {
local id="$1"
local text="$2"
local out="$OUT_DIR/${id}.mp3"
if [ -f "$out" ] && [ -z "$FORCE" ]; then
echo "ok ${id}.mp3 schon da"
return 0
fi
echo "gen ${id}"
local payload
payload=$(TEXT="$text" MODEL="$MODEL" VOICE="$VOICE" INSTR="$INSTRUCTIONS" python -c '
import json, os
body = {
"model": os.environ["MODEL"],
"voice": os.environ["VOICE"],
"input": os.environ["TEXT"],
"response_format": "mp3"
}
# instructions nur bei gpt-4o-mini-tts unterstuetzt
if "mini-tts" in os.environ["MODEL"]:
body["instructions"] = os.environ["INSTR"]
print(json.dumps(body, ensure_ascii=False))')
local http
http=$(curl -sS -w "%{http_code}" -o "$out" \
-X POST https://api.openai.com/v1/audio/speech \
-H "Authorization: Bearer $OPENAI_API_KEY" \
-H "Content-Type: application/json; charset=utf-8" \
-d "$payload")
if [ "$http" != "200" ]; then
echo "FEHLER ${id}: HTTP $http"
cat "$out"; echo; rm -f "$out"
return 1
fi
local size; size=$(wc -c <"$out")
if [ "$size" -lt 1500 ]; then
echo "FEHLER ${id}: Datei zu klein ($size B)"
cat "$out"; rm -f "$out"
return 1
fi
echo "ok ${id}.mp3 (${size} B)"
sleep 0.2
}
ok=0; fail=0
while IFS=$'\t' read -r id text; do
[ -z "$id" ] && continue
if generate "$id" "$text"; then ok=$((ok+1)); else fail=$((fail+1)); fi
done < <(python -c "
import json, sys
d = json.load(sys.stdin)
for line in d['lines']: print(line['id'] + '\t' + line['text'])
" < "$JSON_FILE")
echo
echo "Zusammenfassung: ok=$ok, fail=$fail"
ls -1 "$OUT_DIR"/*.mp3 2>/dev/null | wc -l | xargs printf "Dateien im Ordner: %s\n"