fix audio-transcoding for iOS v10 and older

opus-in-caf was added in iOS v11;
use caf in iOS v12 and newer (iPhone 5s, iPad Air/mini2, iPod 6),
use mp3 in iOS v11 and older (iPhone 5c, iPad 4)
This commit is contained in:
ed 2025-01-24 19:57:23 +00:00
parent 40a1c7116e
commit c9eba39edd

View file

@ -2384,7 +2384,7 @@ var mpl = (function () {
if (!c) if (!c)
return url; return url;
return addq(url, 'th=' + (can_ogg ? 'opus' : (IPHONE || MACOS) ? 'caf' : 'mp3')); return addq(url, 'th=' + (can_ogg ? 'opus' : can_caf ? 'caf' : 'mp3'));
}; };
r.pp = function () { r.pp = function () {
@ -2493,7 +2493,8 @@ var mpl = (function () {
})(); })();
var can_ogg = true; var can_ogg = true,
can_caf = (IPHONE || MACOS) && !/ OS ([1-9]|1[01])_/.test(UA);
try { try {
can_ogg = new Audio().canPlayType('audio/ogg; codecs=opus') === 'probably'; can_ogg = new Audio().canPlayType('audio/ogg; codecs=opus') === 'probably';
} }