788d43a4cb
Adapted from MikaelKW/nodecast-tv-plus commit 25f7cb636a07a3efb2c409ff182920ae0fbe01bd. Co-authored-by: Mikael <mikaelkwessel@gmail.com>
18 lines
743 B
JavaScript
18 lines
743 B
JavaScript
// Preserve audio stream order: -map 0:a maps every input audio track.
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function parseAudioCodecs(value) {
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if (value === undefined || value === '') return [];
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if (typeof value !== 'string') throw new Error('audioCodecs must be a comma-separated string');
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const codecs = value.split(',').map(codec => codec.trim().toLowerCase());
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if (codecs.length > 16 || codecs.some(codec => !/^[a-z0-9][a-z0-9_.-]{0,31}$/.test(codec))) {
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throw new Error('audioCodecs contains invalid codec names');
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}
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return codecs;
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}
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function audioFilterArgs(codecs) {
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return codecs.flatMap((codec, index) => codec === 'aac'
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? [`-bsf:a:${index}`, 'aac_adtstoasc'] : []);
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}
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module.exports = { parseAudioCodecs, audioFilterArgs };
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