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Add MP3 support to ISOBMFF demuxer

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Vanilagy
2024-12-30 23:47:42 +01:00
parent 8f861f3cfe
commit d203d75bdd
2 changed files with 37 additions and 20 deletions
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src/codec.ts
+5 -1
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@@ -13,7 +13,7 @@ import { SubtitleMetadata } from './subtitles';
/** @public */
export const VIDEO_CODECS = ['avc', 'hevc', 'vp8', 'vp9', 'av1'] as const;
/** @public */
export const AUDIO_CODECS = ['aac', 'opus'] as const; // TODO add the rest
export const AUDIO_CODECS = ['aac', 'mp3', 'opus'] as const; // TODO add the rest
/** @public */
export const SUBTITLE_CODECS = ['webvtt'] as const; // TODO add the rest
@@ -353,6 +353,8 @@ export const buildAudioCodecString = (codec: AudioCodec, numberOfChannels: numbe
// Default to standard AAC-LC for higher sample rates
return 'mp4a.40.2'; // AAC-LC
} else if (codec === 'mp3') {
return 'mp3'; // Easy, this one
} else if (codec === 'opus') {
return 'opus'; // Easy, this one
} else if (codec === 'vorbis') {
@@ -367,6 +369,8 @@ export const extractAudioCodecString = (codec: AudioCodec, description: Uint8Arr
if (codec === 'aac') {
const audioSpecificConfig = parseAacAudioSpecificConfig(description);
return `mp4a.40.${audioSpecificConfig.objectType}`;
} else if (codec === 'mp3') {
return 'mp3';
} else if (codec === 'opus') {
return 'opus';
} else if (codec === 'vorbis') {