ComfyUI/comfy/audio_encoders/audio_encoders.py
Rattus 3597b27515 models: Use CoreModelPatcher
Use CoreModelPatcher for all internal ModelPatcher implementations. This drives
conditional use of the aimdo feature, while making sure custom node packs get
to keep ModelPatcher unchanged for the moment.
2026-01-13 19:58:06 +10:00

92 lines
3.3 KiB
Python

from .wav2vec2 import Wav2Vec2Model
from .whisper import WhisperLargeV3
import comfy.model_management
import comfy.ops
import comfy.utils
import logging
import torchaudio
class AudioEncoderModel():
def __init__(self, config):
self.load_device = comfy.model_management.text_encoder_device()
offload_device = comfy.model_management.text_encoder_offload_device()
self.dtype = comfy.model_management.text_encoder_dtype(self.load_device)
model_type = config.pop("model_type")
model_config = dict(config)
model_config.update({
"dtype": self.dtype,
"device": offload_device,
"operations": comfy.ops.manual_cast
})
if model_type == "wav2vec2":
self.model = Wav2Vec2Model(**model_config)
elif model_type == "whisper3":
self.model = WhisperLargeV3(**model_config)
self.model.eval()
self.patcher = comfy.model_patcher.CoreModelPatcher(self.model, load_device=self.load_device, offload_device=offload_device)
self.model_sample_rate = 16000
def load_sd(self, sd):
return self.model.load_state_dict(sd, strict=False, assign=self.patcher.is_dynamic())
def get_sd(self):
return self.model.state_dict()
def encode_audio(self, audio, sample_rate):
comfy.model_management.load_model_gpu(self.patcher)
audio = torchaudio.functional.resample(audio, sample_rate, self.model_sample_rate)
out, all_layers = self.model(audio.to(self.load_device))
outputs = {}
outputs["encoded_audio"] = out
outputs["encoded_audio_all_layers"] = all_layers
outputs["audio_samples"] = audio.shape[2]
return outputs
def load_audio_encoder_from_sd(sd, prefix=""):
sd = comfy.utils.state_dict_prefix_replace(sd, {"wav2vec2.": ""})
if "encoder.layer_norm.bias" in sd: #wav2vec2
embed_dim = sd["encoder.layer_norm.bias"].shape[0]
if embed_dim == 1024:# large
config = {
"model_type": "wav2vec2",
"embed_dim": 1024,
"num_heads": 16,
"num_layers": 24,
"conv_norm": True,
"conv_bias": True,
"do_normalize": True,
"do_stable_layer_norm": True
}
elif embed_dim == 768: # base
config = {
"model_type": "wav2vec2",
"embed_dim": 768,
"num_heads": 12,
"num_layers": 12,
"conv_norm": False,
"conv_bias": False,
"do_normalize": False, # chinese-wav2vec2-base has this False
"do_stable_layer_norm": False
}
else:
raise RuntimeError("ERROR: audio encoder file is invalid or unsupported embed_dim: {}".format(embed_dim))
elif "model.encoder.embed_positions.weight" in sd:
sd = comfy.utils.state_dict_prefix_replace(sd, {"model.": ""})
config = {
"model_type": "whisper3",
}
else:
raise RuntimeError("ERROR: audio encoder not supported.")
audio_encoder = AudioEncoderModel(config)
m, u = audio_encoder.load_sd(sd)
if len(m) > 0:
logging.warning("missing audio encoder: {}".format(m))
if len(u) > 0:
logging.warning("unexpected audio encoder: {}".format(u))
return audio_encoder