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Better codec profile for Safari with 10.10 features

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This uses the new VP9 remuxing and audio remuxing features to reduce transcoding on Safari, also removed some problematic direct play profiles.

- Add opus profile for Safari
- Add VP9 remuxing profile for Safari
- Remove Vorbis profile on non-webm container for Safari
- Remove direct VP9 playback in mp4 container for iOS Safari
This commit is contained in:
gnattu 2024-08-04 13:55:05 +08:00
parent d770e40130
commit a386512def
3 changed files with 39 additions and 4 deletions
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30
src/scripts/browserDeviceProfile.js
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@ -451,6 +451,7 @@ export default function (options) {
const canPlayVp8 = videoTestElement.canPlayType('video/webm; codecs="vp8"').replace(/no/, '');
const canPlayVp9 = videoTestElement.canPlayType('video/webm; codecs="vp9"').replace(/no/, '');
const safariSupportsOpus = browser.safari && !!document.createElement('audio').canPlayType('audio/x-caf; codecs="opus"').replace(/no/, '');
const webmAudioCodecs = ['vorbis'];
const canPlayMkv = testCanPlayMkv(videoTestElement);
@ -580,7 +581,13 @@ export default function (options) {
if (browser.tizen) {
hlsInTsVideoAudioCodecs.push('opus');
}
if (!browser.safari) {
hlsInFmp4VideoAudioCodecs.push('opus');
}
if (browser.safari) {
if (safariSupportsOpus) {
videoAudioCodecs.push('opus');
webmAudioCodecs.push('opus');
hlsInFmp4VideoAudioCodecs.push('opus');
}
}
@ -655,7 +662,16 @@ export default function (options) {
}
if (canPlayVp9) {
mp4VideoCodecs.push('vp9');
if (!browser.iOS) {
// iOS safari may fail to direct play vp9 in mp4 container
mp4VideoCodecs.push('vp9');
}
// Only iOS Safari's native HLS player understands vp9 in fmp4
// This should be used in conjunction with forcing
// using HLS.js for VP9 remuxing on desktop Safari.
if (browser.safari) {
hlsInFmp4VideoCodecs.push('vp9');
}
// webm support is unreliable on safari 17
if (!browser.safari
|| (browser.safari && browser.versionMajor >= 15 && browser.versionMajor < 17)) {
@ -672,7 +688,7 @@ export default function (options) {
}
}
if (canPlayVp8 || browser.tizen) {
if ((!browser.safari && canPlayVp8) || browser.tizen) {
videoAudioCodecs.push('vorbis');
}
@ -744,6 +760,14 @@ export default function (options) {
}
});
if (safariSupportsOpus) {
profile.DirectPlayProfiles.push({
Container: 'mp4',
AudioCodec: 'opus',
Type: 'Audio'
});
}
profile.TranscodingProfiles = [];
const hlsBreakOnNonKeyFrames = browser.iOS || browser.osx || browser.edge || !canPlayNativeHls();