fMP4 HLS Codec Compatibility Test
Test Opus / FLAC / AAC (fMP4 HLS) and MP3 on Safari, iOS, AirPlay, and Cast
Cast base URL
(receiver fetches from here — use deployed URL or LAN IP)
Cast format
Full file (MP4/MP3)
HLS (segments)
FLAC for Cast
(test codec vs container)
MP4 (FLAC-in-MP4)
raw (.flac)