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Add @mediabunny/aac-encoder extension package

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Vanilagy
2026-03-04 17:05:34 +01:00
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docs/guide/supported-formats-and-codecs.md
+11 -11
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@@ -37,13 +37,13 @@ Mediabunny ships with built-in decoders and encoders for all audio PCM codecs, m
### Audio codecs
- `'aac'` - Advanced Audio Coding (AAC)
- `'aac'` - Advanced Audio Coding (AAC) [^1]
- `'opus'` - Opus
- `'mp3'` - MP3
- `'mp3'` - MP3 [^2]
- `'vorbis'` - Vorbis
- `'flac'` - Free Lossless Audio Codec (FLAC)
- `'ac3'` - Dolby Digital (AC-3) [^1]
- `'eac3'` - Dolby Digital Plus (E-AC-3) [^1]
- `'ac3'` - Dolby Digital (AC-3) [^3]
- `'eac3'` - Dolby Digital Plus (E-AC-3) [^3]
- `'pcm-u8'` - 8-bit unsigned PCM
- `'pcm-s8'` - 8-bit signed PCM
- `'pcm-s16'` - 16-bit little-endian signed PCM
@@ -59,8 +59,6 @@ Mediabunny ships with built-in decoders and encoders for all audio PCM codecs, m
- `'ulaw'` - μ-law PCM
- `'alaw'` - A-law PCM
[^1]: AC-3 and E-AC-3 are not natively supported by WebCodecs. To encode or decode these codecs, you can use the [`@mediabunny/ac3`](./extensions/ac3) extension package, or provide your own [custom coder](#custom-coders).
### Subtitle codecs
- `'webvtt'` - WebVTT
@@ -69,7 +67,7 @@ Mediabunny ships with built-in decoders and encoders for all audio PCM codecs, m
Not all codecs can be used with all containers. The following table specifies the supported codec-container combinations:
| | .mp4 | .mov | .mkv | .webm[^2] | .ogg | .mp3 | .wav | .aac | .flac | .ts |
| | .mp4 | .mov | .mkv | .webm[^4] | .ogg | .mp3 | .wav | .aac | .flac | .ts |
|:--------------:|:--------:|:-----:|:-----:|:---------:|:-----:|:-----:|:-----:|:-----:|:-----:|:-----:|
| `'avc'` | ✓ | ✓ | ✓ | | | | | | | ✓ |
| `'hevc'` | ✓ | ✓ | ✓ | | | | | | | ✓ |
@@ -97,11 +95,13 @@ Not all codecs can be used with all containers. The following table specifies th
| `'pcm-f64be'` | ✓ | ✓ | | | | | | | | |
| `'ulaw'` | | ✓ | | | | | ✓ | | | |
| `'alaw'` | | ✓ | | | | | ✓ | | | |
| `'webvtt'`[^3] | (✓) | | (✓) | (✓) | | | | | | |
| `'webvtt'`[^5] | (✓) | | (✓) | (✓) | | | | | | |
[^2]: WebM only supports a small subset of the codecs supported by Matroska. However, this library can technically read all codecs from a WebM that are supported by Matroska.
[^3]: WebVTT can only be written, not read.
[^1]: In some browsers, AAC encoding is not supported by WebCodecs. You can polyfill it with the [`@mediabunny/aac-encoder`](./extensions/aac-encoder) extension package, or provide your own [custom coder](#custom-coders).
[^2]: MP3 encoding is not supported by WebCodecs. You can polyfill it with the [`@mediabunny/mp3-encoder`](./extensions/mp3-encoder) extension package, or provide your own [custom coder](#custom-coders).
[^3]: AC-3 and E-AC-3 are not natively supported by WebCodecs. To encode or decode these codecs, you can use the [`@mediabunny/ac3`](./extensions/ac3) extension package, or provide your own [custom coder](#custom-coders).
[^4]: WebM only supports a small subset of the codecs supported by Matroska. However, this library can technically read all codecs from a WebM that are supported by Matroska.
[^5]: WebVTT can only be written, not read.
## Querying codec encodability