Function buildVideoGenerationProvider

src/index.ts:1257–1335

* Build the VideoGenerationProvider that registers BlockRun video models * with OpenClaw's native video generation UI. * Delegates to the local proxy (which handles x402 payment + polling).

()

 * Delegates to the local proxy (which handles x402 payment + polling).
 */
function buildVideoGenerationProvider(): VideoGenerationProviderPlugin {
  return {
    id: "blockrun",
    label: "BlockRun",
    defaultModel: "xai/grok-imagine-video",
    models: [
      "xai/grok-imagine-video",
      "bytedance/seedance-1.5-pro",
      "bytedance/seedance-2.0-fast",
      "bytedance/seedance-2.0",
    ],
    capabilities: {
      maxVideos: 1,
      maxInputImages: 1,
      maxDurationSeconds: 10,
      supportedDurationSeconds: [5, 8, 10],
      supportsAudio: false,
      imageToVideo: {
        enabled: true,
        maxInputImages: 1,
        maxDurationSeconds: 10,
        supportedDurationSeconds: [5, 8, 10],
      },
    },
    isConfigured: () => existsSync(WALLET_FILE),
    generateVideo: async (req: VideoGenerationRequest) => {
      const port = getProxyPort();
      const imageUrl = req.inputImages?.[0]?.url;
      const body = JSON.stringify({
        model: req.model,
        prompt: req.prompt,
        ...(imageUrl ? { image_url: imageUrl } : {}),
        ...(req.durationSeconds ? { duration_seconds: req.durationSeconds } : {}),
      });
      // Video generation: ClawRouter proxy internally polls upstream for up to 5 min.
      // Client timeout must exceed that — use 330s (5.5 min) to give the proxy headroom
      // to return the final downloaded URL after the last poll.
      const timeoutMs = req.timeoutMs ?? 330_000;
      const resp = await fetch(`http://127.0.0.1:${port}/v1/videos/generations`, {
        method: "POST",
        headers: { "content-type": "application/json" },
        body,
        signal: AbortSignal.timeout(timeoutMs),
      });
      if (!resp.ok) {
        const errText = await resp.text().catch(() => "");
        throw new Error(`BlockRun video generation failed (${resp.status}): ${errText}`);
      }
      const result = (await resp.json()) as {
        data?: Array<{ url?: string; duration_seconds?: number }>;
        model?: string;
      };
      const videos = await Promise.all(
        (result.data ?? []).map(async (clip) => {
          // URL format: http://localhost:PORT/videos/FILENAME
          const filename = clip.url?.split("/videos/").pop();
          if (!filename) throw new Error(`Unexpected video URL format: ${clip.url}`);
          const filePath = join(VIDEO_DIR, filename);