feat(camera): add bananarchy-photo CLI, Sxmo menu integration, and multi-capture ISPIF/VFE0 reset

2026-10-19 23:51:09 +03:00
parent a14a7aa543
commit ad012360c3
10 changed files with 322 additions and 52 deletions
@@ -0,0 +1,187 @@
+#!/bin/sh
+# Bananarchy rear camera photo capture utility and Sxmo menu wrapper
+# Captures 800x600 24-bit RGB frames from /dev/video0 (msm8905-cam / GC2395)
+# via v4l2-ctl and encodes JPEG/PNG images via ffmpeg -f rawvideo.
+
+set -eu
+
+DEV="/dev/video0"
+USE_FLASH=0
+VIEW_AFTER=0
+MENU_MODE=0
+OUT_FILE=""
+
+usage() {
+  cat <<'EOF'
+Usage: bananarchy-photo [options] [output_file]
+
+Options:
+  -d, --device <dev>  V4L2 video device (default: /dev/video0)
+  -f, --flash         Enable rear flashlight (white:torch) during capture
+  -v, --view          Open captured photo in imv after saving
+  -m, --menu          Open interactive Sxmo camera menu
+  -h, --help          Show this help message
+
+If output_file is omitted, saves to ~/Pictures/photo-YYYYMMDD-HHMMSS.jpg.
+EOF
+}
+
+while [ $# -gt 0 ]; do
+  case "$1" in
+    -d|--device)
+      DEV="$2"
+      shift 2
+      ;;
+    -f|--flash)
+      USE_FLASH=1
+      shift
+      ;;
+    -v|--view)
+      VIEW_AFTER=1
+      shift
+      ;;
+    -m|--menu)
+      MENU_MODE=1
+      shift
+      ;;
+    -h|--help)
+      usage
+      exit 0
+      ;;
+    --)
+      shift
+      break
+      ;;
+    -*)
+      echo "bananarchy-photo: unknown option: $1" >&2
+      usage >&2
+      exit 1
+      ;;
+    *)
+      OUT_FILE="$1"
+      shift
+      ;;
+  esac
+done
+
+if [ $# -gt 0 ] && [ -z "$OUT_FILE" ]; then
+  OUT_FILE="$1"
+fi
+
+get_pictures_dir() {
+  pic_dir="${XDG_PICTURES_DIR:-$HOME/Pictures}"
+  mkdir -p "$pic_dir"
+  printf "%s\n" "$pic_dir"
+}
+
+notify_msg() {
+  if command -v sxmo_notify_user.sh >/dev/null 2>&1 && [ -n "${WAYLAND_DISPLAY:-}" ]; then
+    sxmo_notify_user.sh -t 2000 "$1" >/dev/null 2>&1 || true
+  fi
+}
+
+take_photo() {
+  flash_flag="$1"
+  target_path="$2"
+
+  if [ -z "$target_path" ]; then
+    pic_dir="$(get_pictures_dir)"
+    target_path="$pic_dir/photo-$(date +%Y%m%d-%H%M%S).jpg"
+  else
+    mkdir -p "$(dirname "$target_path")"
+  fi
+
+  if [ ! -e "$DEV" ]; then
+    echo "bananarchy-photo: camera device $DEV not found" >&2
+    notify_msg "Camera $DEV not found"
+    return 1
+  fi
+
+  prev_torch=""
+  if [ "$flash_flag" -eq 1 ] && [ -w /sys/class/leds/white:torch/brightness ]; then
+    prev_torch="$(cat /sys/class/leds/white:torch/brightness 2>/dev/null || echo 0)"
+    echo 1 > /sys/class/leds/white:torch/brightness 2>/dev/null || true
+    sleep 0.15
+  fi
+
+  frame_tmp="/tmp/bananarchy-frame-$$.rgb"
+  rc=0
+
+  v4l2-ctl -d "$DEV" \
+    --set-fmt-video=width=800,height=600,pixelformat=RGB3 \
+    --stream-mmap --stream-count=1 --stream-to="$frame_tmp" >/dev/null 2>&1 || rc=$?
+
+  if [ "$flash_flag" -eq 1 ] && [ -n "$prev_torch" ] && [ -w /sys/class/leds/white:torch/brightness ]; then
+    echo "$prev_torch" > /sys/class/leds/white:torch/brightness 2>/dev/null || true
+  fi
+
+  if [ "$rc" -ne 0 ] || [ ! -s "$frame_tmp" ]; then
+    rm -f "$frame_tmp"
+    echo "bananarchy-photo: failed to capture frame from $DEV" >&2
+    notify_msg "Photo capture failed"
+    return 1
+  fi
+
+  if ! ffmpeg -hide_banner -loglevel error \
+    -f rawvideo -pixel_format rgb24 -video_size 800x600 \
+    -i "$frame_tmp" -frames:v 1 -y "$target_path"; then
+    rm -f "$frame_tmp"
+    echo "bananarchy-photo: ffmpeg failed to encode $target_path" >&2
+    notify_msg "Photo encoding failed"
+    return 1
+  fi
+
+  rm -f "$frame_tmp"
+  printf "%s\n" "$target_path"
+  notify_msg "Saved $(basename "$target_path")"
+
+  if [ "$VIEW_AFTER" -eq 1 ] && [ -n "${WAYLAND_DISPLAY:-}" ] && command -v imv >/dev/null 2>&1; then
+    imv "$target_path" >/dev/null 2>&1 &
+  fi
+  return 0
+}
+
+run_menu() {
+  if [ -f /usr/share/sxmo/default_hooks/sxmo_hook_icons.sh ]; then
+    # shellcheck disable=SC1091
+    . /usr/share/sxmo/default_hooks/sxmo_hook_icons.sh
+  fi
+  ic_cam="${icon_cam:-*}"
+  ic_fll="${icon_fll:-*}"
+  ic_img="${icon_img:-*}"
+  ic_cls="${icon_cls:-x}"
+
+  choice="$(printf "%s\n" \
+    "$ic_cam Take photo" \
+    "$ic_fll Take photo (flash)" \
+    "$ic_img View photos" \
+    "$ic_cls Close" | sxmo_dmenu.sh -p "Camera" || true)"
+
+  case "$choice" in
+    *"Take photo (flash)"*)
+      VIEW_AFTER=1
+      take_photo 1 ""
+      ;;
+    *"Take photo"*)
+      VIEW_AFTER=1
+      take_photo 0 ""
+      ;;
+    *"View photos"*)
+      pic_dir="$(get_pictures_dir)"
+      if ls "$pic_dir"/*.jpg "$pic_dir"/*.png >/dev/null 2>&1; then
+        imv "$pic_dir" >/dev/null 2>&1 &
+      else
+        notify_msg "No photos in $pic_dir"
+      fi
+      ;;
+    *)
+      exit 0
+      ;;
+  esac
+}
+
+if [ "$MENU_MODE" -eq 1 ]; then
+  run_menu
+else
+  take_photo "$USE_FLASH" "$OUT_FILE"
+fi