Function detectGpuEncoder

packages/engine/src/utils/gpuEncoder.ts:62–82

()

}

export async function detectGpuEncoder(): Promise<GpuEncoder> {
  return new Promise((resolve) => {
    const ffmpeg = spawn(getFfmpegBinary(), ["-encoders"], {
      stdio: ["pipe", "pipe", "pipe"],
    });
    let stdout = "";

    ffmpeg.stdout.on("data", (data) => {
      stdout += data.toString();
    });

    ffmpeg.on("close", () => {
      const candidates = getCompiledGpuEncoders(stdout);
      void selectUsableGpuEncoder(candidates, canUseGpuEncoder)
        .then(resolve)
        .catch(() => resolve(null));
    });

    ffmpeg.on("error", () => resolve(null));
  });
}

let cachedGpuEncoder: GpuEncoder | undefined = undefined;