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feat(codec): add detection support for AC-3, E-AC-3 audio codecs (#275)

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* ac3/eac3 detection

* fix tests

* review pass + follow codebase comments style

* Add ac3/eac3 to docs

* WIP mpeg-2

* Set registration_descriptor

* add support for ac3 system b in mpeg-ts

* Update docs with ac3 in .ts support

* fix formatting

* Remove default to fix linter

* Add eac3 to mpeg-ts

* fix formatting

* Fix failing test

* Refactor AC3/EAC3 code a little

---------

Co-authored-by: Vanilagy <[email protected]>
This commit is contained in:
jepcd
2026-02-11 15:23:12 +01:00
committed by GitHub
co-authored by Vanilagy
parent 612642c5ad
commit 417c85d8ed
24 changed files with 1061 additions and 16 deletions
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src/output-format.ts
+4 -2
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@@ -292,7 +292,8 @@ export class Mp4OutputFormat extends IsobmffOutputFormat {
return [
...VIDEO_CODECS,
...NON_PCM_AUDIO_CODECS,
// These are supported via ISO/IEC 23003-5
// These are supported via ISO/IEC 23003-5:
'pcm-s16',
'pcm-s16be',
'pcm-s24',
@@ -303,6 +304,7 @@ export class Mp4OutputFormat extends IsobmffOutputFormat {
'pcm-f32be',
'pcm-f64',
'pcm-f64be',
...SUBTITLE_CODECS,
];
}
@@ -1032,7 +1034,7 @@ export class MpegTsOutputFormat extends OutputFormat {
getSupportedCodecs(): MediaCodec[] {
return [
...VIDEO_CODECS.filter(codec => ['avc', 'hevc'].includes(codec)),
...AUDIO_CODECS.filter(codec => ['aac', 'mp3'].includes(codec)),
...AUDIO_CODECS.filter(codec => ['aac', 'mp3', 'ac3', 'eac3'].includes(codec)),
];
}