Function probeOne

packages/studio/src/player/lib/mediaProbe.ts:37–65

(url: string)

}

async function probeOne(url: string): Promise<MediaProbeResult | null> {
  const mb = await loadMediabunny();
  if (!mb) return null;

  const input = new mb.Input({
    source: new mb.UrlSource(url),
    formats: mb.ALL_FORMATS,
  });
  try {
    const duration = await input.getDurationFromMetadata();
    if (duration == null || !Number.isFinite(duration) || duration <= 0) return null;

    const videoTrack = await input.getPrimaryVideoTrack();
    const audioTracks = await input.getAudioTracks();

    const result: MediaProbeResult = {
      duration,
      width: videoTrack?.displayWidth,
      height: videoTrack?.displayHeight,
      hasVideo: videoTrack != null,
      hasAudio: audioTracks.length > 0,
    };
    return result;
  } catch {
    return null;
  } finally {
    input.dispose();
  }
}

function getCachedProbe(url: string): MediaProbeResult | undefined {
  return cache.get(normalizeUrl(url));