Function getProbeArgs

packages/engine/src/utils/gpuEncoder.ts:121–147

(encoder: ConcreteGpuEncoder)

const GPU_PROBE_HEIGHT = 240;

export function getProbeArgs(encoder: ConcreteGpuEncoder): string[] {
  const args = [
    "-hide_banner",
    "-loglevel",
    "error",
    "-f",
    "lavfi",
    "-i",
    `color=size=${GPU_PROBE_WIDTH}x${GPU_PROBE_HEIGHT}:rate=1:duration=1`,
    "-frames:v",
    "1",
    "-an",
  ];

  if (encoder === "vaapi") {
    args.push("-vaapi_device", "/dev/dri/renderD128", "-vf", "format=nv12,hwupload");
  }

  args.push("-c:v", getGpuEncoderName(encoder, "h264"));

  if (encoder === "amf") {
    args.push("-rc", "cqp", "-qp_i", "28", "-qp_p", "28");
  }

  args.push("-f", "null", "-");
  return args;
}

async function canUseGpuEncoder(encoder: ConcreteGpuEncoder): Promise<boolean> {
  return new Promise((resolve) => {