From d18198dff8e78bea146065086652fe72ec81d1b6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Eren=20G=C3=B6lge?= Date: Fri, 18 Jun 2021 13:38:01 +0200 Subject: [PATCH] Implement `setup_model` for vocoder models --- TTS/vocoder/models/__init__.py | 147 +++++++++++++++++++++++++++++++++ 1 file changed, 147 insertions(+) diff --git a/TTS/vocoder/models/__init__.py b/TTS/vocoder/models/__init__.py index e69de29b..cbd3950b 100644 --- a/TTS/vocoder/models/__init__.py +++ b/TTS/vocoder/models/__init__.py @@ -0,0 +1,147 @@ +import importlib +import re + +from coqpit import Coqpit + + +def to_camel(text): + text = text.capitalize() + return re.sub(r"(?!^)_([a-zA-Z])", lambda m: m.group(1).upper(), text) + + +def setup_model(config: Coqpit): + """Load models directly from configuration.""" + print(" > Vocoder Model: {}".format(config.model)) + if "discriminator_model" in config and "generator_model" in config: + MyModel = importlib.import_module("TTS.vocoder.models.gan") + MyModel = getattr(MyModel, "GAN") + else: + MyModel = importlib.import_module("TTS.vocoder.models." + config.model.lower()) + if config.model.lower() == "wavernn": + MyModel = getattr(MyModel, "Wavernn") + elif config.model.lower() == "gan": + MyModel = getattr(MyModel, "GAN") + elif config.model.lower() == "wavegrad": + MyModel = getattr(MyModel, "Wavegrad") + else: + MyModel = getattr(MyModel, to_camel(config.model)) + raise ValueError(f"Model {config.model} not exist!") + model = MyModel(config) + return model + + +def setup_generator(c): + print(" > Generator Model: {}".format(c.generator_model)) + MyModel = importlib.import_module("TTS.vocoder.models." + c.generator_model.lower()) + MyModel = getattr(MyModel, to_camel(c.generator_model)) + # this is to preserve the Wavernn class name (instead of Wavernn) + if c.generator_model.lower() in "hifigan_generator": + model = MyModel(in_channels=c.audio["num_mels"], out_channels=1, **c.generator_model_params) + elif c.generator_model.lower() in "melgan_generator": + model = MyModel( + in_channels=c.audio["num_mels"], + out_channels=1, + proj_kernel=7, + base_channels=512, + upsample_factors=c.generator_model_params["upsample_factors"], + res_kernel=3, + num_res_blocks=c.generator_model_params["num_res_blocks"], + ) + elif c.generator_model in "melgan_fb_generator": + raise ValueError("melgan_fb_generator is now fullband_melgan_generator") + elif c.generator_model.lower() in "multiband_melgan_generator": + model = MyModel( + in_channels=c.audio["num_mels"], + out_channels=4, + proj_kernel=7, + base_channels=384, + upsample_factors=c.generator_model_params["upsample_factors"], + res_kernel=3, + num_res_blocks=c.generator_model_params["num_res_blocks"], + ) + elif c.generator_model.lower() in "fullband_melgan_generator": + model = MyModel( + in_channels=c.audio["num_mels"], + out_channels=1, + proj_kernel=7, + base_channels=512, + upsample_factors=c.generator_model_params["upsample_factors"], + res_kernel=3, + num_res_blocks=c.generator_model_params["num_res_blocks"], + ) + elif c.generator_model.lower() in "parallel_wavegan_generator": + model = MyModel( + in_channels=1, + out_channels=1, + kernel_size=3, + num_res_blocks=c.generator_model_params["num_res_blocks"], + stacks=c.generator_model_params["stacks"], + res_channels=64, + gate_channels=128, + skip_channels=64, + aux_channels=c.audio["num_mels"], + dropout=0.0, + bias=True, + use_weight_norm=True, + upsample_factors=c.generator_model_params["upsample_factors"], + ) + else: + raise NotImplementedError(f"Model {c.generator_model} not implemented!") + return model + + +def setup_discriminator(c): + print(" > Discriminator Model: {}".format(c.discriminator_model)) + if "parallel_wavegan" in c.discriminator_model: + MyModel = importlib.import_module("TTS.vocoder.models.parallel_wavegan_discriminator") + else: + MyModel = importlib.import_module("TTS.vocoder.models." + c.discriminator_model.lower()) + MyModel = getattr(MyModel, to_camel(c.discriminator_model.lower())) + if c.discriminator_model in "hifigan_discriminator": + model = MyModel() + if c.discriminator_model in "random_window_discriminator": + model = MyModel( + cond_channels=c.audio["num_mels"], + hop_length=c.audio["hop_length"], + uncond_disc_donwsample_factors=c.discriminator_model_params["uncond_disc_donwsample_factors"], + cond_disc_downsample_factors=c.discriminator_model_params["cond_disc_downsample_factors"], + cond_disc_out_channels=c.discriminator_model_params["cond_disc_out_channels"], + window_sizes=c.discriminator_model_params["window_sizes"], + ) + if c.discriminator_model in "melgan_multiscale_discriminator": + model = MyModel( + in_channels=1, + out_channels=1, + kernel_sizes=(5, 3), + base_channels=c.discriminator_model_params["base_channels"], + max_channels=c.discriminator_model_params["max_channels"], + downsample_factors=c.discriminator_model_params["downsample_factors"], + ) + if c.discriminator_model == "residual_parallel_wavegan_discriminator": + model = MyModel( + in_channels=1, + out_channels=1, + kernel_size=3, + num_layers=c.discriminator_model_params["num_layers"], + stacks=c.discriminator_model_params["stacks"], + res_channels=64, + gate_channels=128, + skip_channels=64, + dropout=0.0, + bias=True, + nonlinear_activation="LeakyReLU", + nonlinear_activation_params={"negative_slope": 0.2}, + ) + if c.discriminator_model == "parallel_wavegan_discriminator": + model = MyModel( + in_channels=1, + out_channels=1, + kernel_size=3, + num_layers=c.discriminator_model_params["num_layers"], + conv_channels=64, + dilation_factor=1, + nonlinear_activation="LeakyReLU", + nonlinear_activation_params={"negative_slope": 0.2}, + bias=True, + ) + return model