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Improve DASH quality preference

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Besides `auto`, `best` and `worst` it is now possible to select a target height.
If the target height is not available the closest lower height is selected.
This commit is contained in:
saltycrys 2020-12-19 17:48:20 +01:00
parent eea7ca9b72
commit eed78c960d
2 changed files with 20 additions and 3 deletions
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21
assets/js/player.js
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@ -159,9 +159,26 @@ if (!video_data.params.listen && video_data.params.quality === 'dash') {
player.ready(() => {
player.on("loadedmetadata", () => {
const qualityLevels = Array.from(player.qualityLevels()).sort((a, b) => a.height - b.height);
const targetQualityLevel = video_data.params.quality_dash == "best" ? qualityLevels.length - 1 : 0;
let targetQualityLevel;
switch (video_data.params.quality_dash) {
case "best":
targetQualityLevel = qualityLevels.length - 1;
break;
case "worst":
targetQualityLevel = 0;
break;
default:
const targetHeight = Number.parseInt(video_data.params.quality_dash, 10);
for (let i = 0; i < qualityLevels.length; i++) {
if (qualityLevels[i].height <= targetHeight) {
targetQualityLevel = i;
} else {
break;
}
}
}
for (let i = 0; i < qualityLevels.length; i++) {
qualityLevels[i].enabled = (i == targetQualityLevel)
qualityLevels[i].enabled = (i == targetQualityLevel);
}
});
});