Add local engine installer and requirements, ignore .DS_Store

.gitignore

@@ -6,3 +6,4 @@ client_secret.json
 __pycache__/
 *.pyc
 .venv/
+.DS_Store

install-local.sh

@@ -0,0 +1,79 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+cd "$(dirname "$0")"
+
+info() { printf '\n\033[1;34m==>\033[0m %s\n' "$1"; }
+fail() { printf '\033[1;31mError:\033[0m %s\n' "$1"; exit 1; }
+
+[ -x .venv/bin/python ] || fail "Run ./install.sh first"
+
+if [ -n "${PIP_CACHE_DIR:-}" ]; then
+  mkdir -p "$PIP_CACHE_DIR"
+  info "Using pip cache at $PIP_CACHE_DIR"
+fi
+
+info "Installing local image generation packages (a few GB)"
+.venv/bin/python -m pip install --upgrade pip
+.venv/bin/python -m pip install -r requirements-local.txt
+
+if [ "$(uname -s)" = "Linux" ] && ! command -v espeak-ng >/dev/null 2>&1; then
+  info "Installing espeak-ng for text to speech"
+  if command -v apt-get >/dev/null 2>&1; then
+    sudo apt-get install -y espeak-ng
+  elif command -v dnf >/dev/null 2>&1; then
+    sudo dnf install -y espeak-ng
+  elif command -v pacman >/dev/null 2>&1; then
+    sudo pacman -Sy --needed --noconfirm espeak-ng
+  elif command -v zypper >/dev/null 2>&1; then
+    sudo zypper --non-interactive install espeak-ng
+  fi
+fi
+
+info "Installing Piper for natural sounding narration"
+.venv/bin/python -m pip install piper-tts || echo "Piper install failed, narration will fall back to the system voice"
+
+VOICE_DIR="${VOICE_DIR:-}"
+if [ -z "$VOICE_DIR" ]; then
+  VOICE_DIR="$(.venv/bin/python - <<'PY'
+import json
+from pathlib import Path
+base = Path(__file__).resolve().parent if "__file__" in dir() else Path.cwd()
+try:
+    g = json.loads((Path("data") / "settings.json").read_text())
+except Exception:
+    g = {}
+models = str(g.get("models_dir") or "").strip()
+storage = str(g.get("storage_dir") or "videos").strip()
+root = Path(models) if models else Path(storage) / "models"
+print(root / "voices")
+PY
+)"
+fi
+mkdir -p "$VOICE_DIR"
+VOICE_BASE="https://huggingface.co/rhasspy/piper-voices/resolve/main/en/en_US/lessac/medium/en_US-lessac-medium"
+if [ ! -f "$VOICE_DIR/en_US-lessac-medium.onnx" ]; then
+  info "Downloading the Piper voice into $VOICE_DIR"
+  curl -fL --progress-bar -o "$VOICE_DIR/en_US-lessac-medium.onnx" "$VOICE_BASE.onnx" \
+    && curl -fL --progress-bar -o "$VOICE_DIR/en_US-lessac-medium.onnx.json" "$VOICE_BASE.onnx.json" \
+    || echo "Voice download failed, narration will fall back to the system voice"
+else
+  info "Piper voice already downloaded"
+fi
+
+info "Checking torch"
+.venv/bin/python - <<'EOF'
+import torch
+if torch.backends.mps.is_available():
+    device = "mps (Apple GPU)"
+elif torch.cuda.is_available():
+    device = "cuda"
+else:
+    device = "cpu (slow)"
+print(f"torch {torch.__version__} will run on {device}")
+EOF
+
+info "Done"
+echo "In Settings set Video engine to local, set Models folder and Temp folder, then Save"
+echo "The first run downloads about 7 GB into your Models folder"
+echo "Narration uses Piper automatically when a voice is present in the voices folder"

requirements-local.txt

@@ -0,0 +1,7 @@
+torch
+diffusers
+transformers
+accelerate
+safetensors
+sentencepiece
+protobuf