The video will try to load an HLS containing VP9-in-MP4 and fallback variants, with Opus audio marked as mp4a.ad:
The video will try to load an HLS containing VP9-in-MP4 and fallback variants, with Opus audio marked as opus:
The video will try to load an HLS containing VP9-in-MP4 and fallback variants, with Opus audio marked as Opus: