alright

video/review.sh

@@ -0,0 +1,117 @@
+#!/usr/bin/env bash
+#
+# Extract visual and audio snippets from rendered homepage videos.
+#
+# Usage:
+#   ./review.sh                         # recording + recording-mobile
+#   ./review.sh recording ad-01-foo      # explicit storyboard slugs
+#
+# Outputs land under output/review/current by default. Override REVIEW_DIR
+# if you want to keep multiple passes side by side.
+
+set -euo pipefail
+
+cd "$(dirname "$0")"
+
+REVIEW_DIR="${REVIEW_DIR:-output/review/current}"
+mkdir -p "$REVIEW_DIR"
+
+if [ "$#" -gt 0 ]; then
+  STORYBOARDS=("$@")
+else
+  STORYBOARDS=(recording recording-mobile)
+fi
+
+for sb in "${STORYBOARDS[@]}"; do
+  src="output/$sb/recording.mp4"
+  if [ ! -s "$src" ]; then
+    echo "[review] missing rendered video: $src" >&2
+    exit 1
+  fi
+
+  width="$(ffprobe -v error -select_streams v:0 -show_entries stream=width -of default=noprint_wrappers=1:nokey=1 "$src")"
+  height="$(ffprobe -v error -select_streams v:0 -show_entries stream=height -of default=noprint_wrappers=1:nokey=1 "$src")"
+  scale=360
+  poster_t=16
+  if [ "$height" -gt "$width" ]; then
+    scale=240
+    poster_t=12
+  fi
+
+  ffprobe -v error \
+    -select_streams v:0 \
+    -show_entries stream=codec_name,width,height,avg_frame_rate \
+    -show_entries format=duration,size \
+    -of default=noprint_wrappers=1 \
+    "$src" > "$REVIEW_DIR/$sb-ffprobe.txt"
+
+  ffmpeg -nostdin -y -loglevel warning -i "$src" \
+    -vf "fps=1/4,scale=${scale}:-1:flags=lanczos,tile=5x3:padding=12:margin=12:color=white" \
+    -frames:v 1 -update 1 -q:v 2 "$REVIEW_DIR/$sb-contact.jpg"
+
+  ffmpeg -nostdin -y -loglevel warning -i "$src" -ss "$poster_t" \
+    -frames:v 1 -update 1 -q:v 2 "$REVIEW_DIR/$sb-postercheck-t${poster_t}.jpg"
+
+  ffmpeg -nostdin -y -loglevel warning -i "$src" -t 12 \
+    -vn -ac 1 -ar 24000 "$REVIEW_DIR/$sb-audio-first12.wav"
+done
+
+while IFS=$'\t' read -r sb idx clip_start clip_dur midpoint; do
+  src="output/$sb/recording.mp4"
+  cue="$(printf '%02d' "$idx")"
+
+  ffmpeg -nostdin -y -loglevel warning -i "$src" -ss "$midpoint" \
+    -frames:v 1 -update 1 -q:v 2 "$REVIEW_DIR/$sb-cue-$cue-mid.jpg"
+
+  ffmpeg -nostdin -y -loglevel warning -ss "$clip_start" -i "$src" -t "$clip_dur" \
+    -c:v libx264 -pix_fmt yuv420p -crf 18 -preset veryfast \
+    -c:a aac -b:a 128k -movflags +faststart \
+    "$REVIEW_DIR/$sb-cue-$cue.mp4"
+
+  ffmpeg -nostdin -y -loglevel warning -ss "$clip_start" -i "$src" -t "$clip_dur" \
+    -vn -ac 1 -ar 24000 "$REVIEW_DIR/$sb-cue-$cue.wav"
+done < <(node - "${STORYBOARDS[@]}" <<'NODE'
+const fs = require('fs');
+const storyboards = process.argv.slice(2);
+const review = process.env.REVIEW_DIR || 'output/review/current';
+
+for (const sb of storyboards) {
+  const narration = JSON.parse(fs.readFileSync(`output/${sb}/narration.json`, 'utf8'));
+  const audioPath = `output/${sb}/audio/index.json`;
+  const audio = fs.existsSync(audioPath)
+    ? JSON.parse(fs.readFileSync(audioPath, 'utf8'))
+    : { items: [] };
+  const byCue = new Map((audio.items || []).map((item) => [Number(item.cueIndex), item]));
+  const rows = ['cueIndex\tstartS\tendS\tdurationS\tgapBeforeMs\twav\ttext'];
+
+  narration.cues.forEach((cue, i) => {
+    const item = byCue.get(i) || {};
+    const startMs = Number(cue.videoTimeMs);
+    const durationMs = Number(item.durationMs || cue.durationMs);
+    const endMs = startMs + durationMs;
+
+    rows.push([
+      i,
+      (startMs / 1000).toFixed(3),
+      (endMs / 1000).toFixed(3),
+      (durationMs / 1000).toFixed(3),
+      item.gapBeforeMs ?? '',
+      item.wav ?? '',
+      cue.text,
+    ].join('\t'));
+
+    console.log([
+      sb,
+      i,
+      (Math.max(0, startMs - 250) / 1000).toFixed(3),
+      ((durationMs + 500) / 1000).toFixed(3),
+      ((startMs + durationMs / 2) / 1000).toFixed(3),
+    ].join('\t'));
+  });
+
+  fs.writeFileSync(`${review}/${sb}-timing.tsv`, rows.join('\n') + '\n');
+}
+NODE
+)
+
+echo "[review] wrote snippets to $REVIEW_DIR"