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import json |
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import pickle |
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import haiku as hk |
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import jax |
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import jax.numpy as jnp |
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from .config import FLAGS |
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from .model import Generator |
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class AttrDict(dict): |
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def __init__(self, *args, **kwargs): |
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super(AttrDict, self).__init__(*args, **kwargs) |
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self.__dict__ = self |
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def mel2wave( |
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mel, |
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config_file="assets/hifigan/config.json", |
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ckpt_file=FLAGS.ckpt_dir / "hk_hifi.pickle", |
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): |
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with open(config_file) as f: |
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data = f.read() |
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json_config = json.loads(data) |
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h = AttrDict(json_config) |
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@hk.transform_with_state |
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def forward(x): |
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net = Generator(h) |
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return net(x) |
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rng = next(hk.PRNGSequence(42)) |
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with open(ckpt_file, "rb") as f: |
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params = pickle.load(f) |
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aux = {} |
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wav, aux = forward.apply(params, aux, rng, mel) |
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wav = jnp.squeeze(wav) |
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audio = jax.device_get(wav) |
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return |
