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Try to determine the number of speakers before falling back to hardcoded values

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knackebrot 2022-01-17 00:08:33 +01:00
parent 0154b97d40
commit c43f3846f8
1 changed files with 46 additions and 3 deletions
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49
src/scripts/browserDeviceProfile.js
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@ -294,12 +294,55 @@ import browser from './browser';
(browser.tizen && isTizenFhd ? 20000000 : null)));
}
function getSpeakerCount() {
const AudioContext = window.AudioContext || window.webkitAudioContext || false; /* eslint-disable-line compat/compat */
if (AudioContext) {
const audioCtx = new AudioContext();
return audioCtx.destination.maxChannelCount;
}
return -1;
}
function getPhysicalAudioChannels(options) {
const allowedAudioChannels = parseInt(userSettings.allowedAudioChannels(), 10);
if (allowedAudioChannels > 0) {
return allowedAudioChannels;
}
if (options.audioChannels) {
return options.audioChannels;
}
const isSurroundSoundSupportedBrowser = browser.safari || browser.chrome || browser.edgeChromium || browser.firefox || browser.tv || browser.ps4 || browser.xboxOne;
const speakerCount = getSpeakerCount();
if (speakerCount > 2) {
if (isSurroundSoundSupportedBrowser) {
return speakerCount;
}
return 2;
}
if (speakerCount > 0) {
return speakerCount;
}
if (isSurroundSoundSupportedBrowser) {
return 6;
}
return 2;
}
export default function (options) {
options = options || {};
const isSurroundSoundSupportedBrowser = browser.safari || browser.chrome || browser.edgeChromium || browser.firefox;
const allowedAudioChannels = parseInt(userSettings.allowedAudioChannels() || '-1');
const physicalAudioChannels = (allowedAudioChannels > 0 ? allowedAudioChannels : null) || options.audioChannels || (isSurroundSoundSupportedBrowser || browser.tv || browser.ps4 || browser.xboxOne ? 6 : 2);
const physicalAudioChannels = getPhysicalAudioChannels(options);
const bitrateSetting = getMaxBitrate();