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Refactor MPD generation for song previews

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Update `generateSongdb` to directly use existing `mapPreviewMpd` values if available, falling back to `vp8`.
Rename `generateMPD` to `getMPD` and `getMultiMPD` to accept a `song` object instead of `codename` for better data handling.
This change streamlines MPD retrieval and generation, making it more robust.
This commit is contained in:
ibratabian17
2025-06-12 21:12:28 +07:00
parent 96546a4d6f
commit bb324edee7
1 changed files with 12 additions and 6 deletions
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18
core/lib/songdb.js
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@@ -57,11 +57,17 @@ songdbF.generateSongdb = function (platform = 'pc', version = '2017', style = fa
const newDb = {};
Object.keys(songdbF.db).forEach(codename => {
const check = {
missing: false,
log: [
]
}
let song = { ...songdbF.db[codename] };
let assets = songdbF.getAsset(platform, codename, style);
song.assets = assets; // USE Platform Specific Assets
if (2020 >= version) song.mapPreviewMpd = songdbF.generateMPD(codename, 'vp8');
if (2020 >= version) song.mapPreviewMpd = song?.mapPreviewMpd?.vp8 ? song.mapPreviewMpd.vp8 : song.mapPreviewMpd;
// Handle custom type name localization
if (song.customTypeNameId) {
@@ -87,16 +93,16 @@ songdbF.generateSongdb = function (platform = 'pc', version = '2017', style = fa
};
// Function to handle MPD generation for video encoding
songdbF.getMultiMPD = function (codename) {
songdbF.getMultiMPD = function (song) {
return {
"vp8": songdbF.generateMPD(codename, 'vp8'),
"vp9": songdbF.generateMPD(codename, 'vp9')
"vp8": songdbF.getMPD(song, 'vp8'),
"vp9": songdbF.getMPD(song, 'vp9')
};
};
// Generate MPD XML dynamically
songdbF.generateMPD = function (codename, codec) {
return `<?xml version=\"1.0\"?>\r\n<MPD xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns=\"urn:mpeg:DASH:schema:MPD:2011\" xsi:schemaLocation=\"urn:mpeg:DASH:schema:MPD:2011\" type=\"static\" mediaPresentationDuration=\"PT30S\" minBufferTime=\"PT1S\" profiles=\"urn:webm:dash:profile:webm-on-demand:2012\">\r\n\t<Period id=\"0\" start=\"PT0S\" duration=\"PT30S\">\r\n\t\t<AdaptationSet id=\"0\" mimeType=\"video/webm\" codecs=\"${codec}\" lang=\"eng\" maxWidth=\"720\" maxHeight=\"370\" subsegmentAlignment=\"true\" subsegmentStartsWithSAP=\"1\" bitstreamSwitching=\"true\">\r\n\t\t\t<Representation id=\"0\" bandwidth=\"648085\">\r\n\t\t\t\t<BaseURL>jmcs://jd-contents/${codename}/${codename}_MapPreviewNoSoundCrop_LOW.vp9.webm</BaseURL>\r\n\t\t\t\t<SegmentBase indexRange=\"621-1111\">\r\n\t\t\t\t\t<Initialization range=\"0-621\" />\r\n\t\t\t\t</SegmentBase>\r\n\t\t\t</Representation>\r\n\t\t\t<Representation id=\"1\" bandwidth=\"1492590\">\r\n\t\t\t\t<BaseURL>jmcs://jd-contents/${codename}/${codename}_MapPreviewNoSoundCrop_MID.vp9.webm</BaseURL>\r\n\t\t\t\t<SegmentBase indexRange=\"621-1111\">\r\n\t\t\t\t\t<Initialization range=\"0-621\" />\r\n\t\t\t\t</SegmentBase>\r\n\t\t\t</Representation>\r\n\t\t\t<Representation id=\"2\" bandwidth=\"2984529\">\r\n\t\t\t\t<BaseURL>jmcs://jd-contents/${codename}/${codename}_MapPreviewNoSoundCrop_HIGH.vp9.webm</BaseURL>\r\n\t\t\t\t<SegmentBase indexRange=\"621-1111\">\r\n\t\t\t\t\t<Initialization range=\"0-621\" />\r\n\t\t\t\t</SegmentBase>\r\n\t\t\t</Representation>\r\n\t\t\t<Representation id=\"3\" bandwidth=\"5942260\">\r\n\t\t\t\t<BaseURL>jmcs://jd-contents/${codename}/${codename}_MapPreviewNoSoundCrop_ULTRA.vp9.webm</BaseURL>\r\n\t\t\t\t<SegmentBase indexRange=\"621-1118\">\r\n\t\t\t\t\t<Initialization range=\"0-621\" />\r\n\t\t\t\t</SegmentBase>\r\n\t\t\t</Representation>\r\n\t\t</AdaptationSet>\r\n\t</Period>\r\n</MPD>\r\n`;
songdbF.getMPD = function (song, codec) {
return song.mapPreviewMpd[codec] ? song.mapPreviewMpd[codec] : "vp8";
};
// Generate URLs if not available