fix ffmpeg error

2026-09-16 01:21:20 -04:00 · 2026-01-04 13:14:32 -05:00
parent 066f976cf4
commit b4edf72c9a
1 changed files with 8 additions and 4 deletions
@@ -196,10 +196,14 @@ async function buildReplayVideo({ cameraId = null } = {}) {
      const y = Math.floor(i / layout.cols) * tileHeight;
      layoutParts.push(`${x}_${y}`);
    }
+    if (cameraEntries.length === 1) {
+      filterParts.push('[v0]null[v]');
+    } else {
      filterParts.push(
        `${cameraEntries.map((_, i) => `[v${i}]`).join('')}` +
          `xstack=inputs=${cameraEntries.length}:layout=${layoutParts.join('|')}:fill=black[v]`,
      );
+    }

    const outPath = path.join(tmpDir, 'replay.mp4');
    await execFileAsync('ffmpeg', [