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Add AudioGen (AudioCraft) to MusicGen conversion scripts#45382

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zFlux wants to merge 1 commit intohuggingface:mainfrom
zFlux:add-audiogen-audiocraft-conversion
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Add AudioGen (AudioCraft) to MusicGen conversion scripts#45382
zFlux wants to merge 1 commit intohuggingface:mainfrom
zFlux:add-audiogen-audiocraft-conversion

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@zFlux zFlux commented Apr 12, 2026

Summary

Adds conversion from facebook/audiogen-medium (AudioCraft Hub layout: state_dict.bin + compression_state_dict.bin) to MusicgenForConditionalGeneration.

  • convert_audiogen_transformers.py — reuses rename_state_dict from convert_musicgen_transformers.py
  • encodec_audiocraft_to_hf.py — maps AudioCraft EnCodec weights to HF EncodecModel (16 kHz, ratios [8,5,4,2])
  • Docs: AudioGen subsection in model_doc/musicgen.md

Runtime deps for the script: pip install omegaconf (no audiocraft required).

Motivation

Enables the same downstream path as MusicGen: Optimum ONNX → Transformers.js.


Fork branch: https://github.com/zFlux/transformers/tree/add-audiogen-audiocraft-conversion

Made with Cursor

- encodec_audiocraft_to_hf: map facebook/audiogen-medium compression checkpoint to EncodecModel
- convert_audiogen_transformers: assemble MusicgenForConditionalGeneration from Hub LM + compression shards
- Document conversion in musicgen.md (requires omegaconf)

Made-with: Cursor
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[For maintainers] Suggested jobs to run (before merge)

run-slow: musicgen

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