Upload seamless_communication/cli/m4t/predict/predict.py with huggingface_hub
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seamless_communication/cli/m4t/predict/predict.py
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1 |
+
# Copyright (c) Meta Platforms, Inc. and affiliates.
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#
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# This source code is licensed under the license found in the
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# MIT_LICENSE file in the root directory of this source tree.
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+
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+
import argparse
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7 |
+
import logging
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8 |
+
from argparse import Namespace
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9 |
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from pathlib import Path
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+
from typing import Tuple
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11 |
+
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import torch
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import torchaudio
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+
from fairseq2.generation import NGramRepeatBlockProcessor
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+
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+
from seamless_communication.inference import SequenceGeneratorOptions, Translator
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+
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+
logging.basicConfig(
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level=logging.INFO,
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format="%(asctime)s %(levelname)s -- %(name)s: %(message)s",
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)
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+
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logger = logging.getLogger(__name__)
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+
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+
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+
def add_inference_arguments(parser: argparse.ArgumentParser) -> argparse.ArgumentParser:
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parser.add_argument("--task", type=str, help="Task type")
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+
parser.add_argument(
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"--tgt_lang", type=str, help="Target language to translate/transcribe into."
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+
)
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+
parser.add_argument(
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"--src_lang",
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type=str,
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34 |
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help="Source language, only required if input is text.",
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default=None,
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)
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+
parser.add_argument(
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"--output_path",
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type=Path,
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help="Path to save the generated audio.",
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+
default=None,
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+
)
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+
parser.add_argument(
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"--model_name",
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type=str,
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+
help=(
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+
"Base model name (`seamlessM4T_medium`, "
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48 |
+
"`seamlessM4T_large`, `seamlessM4T_v2_large`)"
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49 |
+
),
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+
default="seamlessM4T_v2_large",
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+
)
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+
parser.add_argument(
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53 |
+
"--vocoder_name",
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54 |
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type=str,
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55 |
+
help="Vocoder model name",
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56 |
+
default="vocoder_v2",
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57 |
+
)
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58 |
+
# Text generation args.
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59 |
+
parser.add_argument(
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60 |
+
"--text_generation_beam_size",
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61 |
+
type=int,
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62 |
+
help="Beam size for incremental text decoding.",
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63 |
+
default=5,
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64 |
+
)
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65 |
+
parser.add_argument(
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66 |
+
"--text_generation_max_len_a",
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67 |
+
type=int,
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68 |
+
help="`a` in `ax + b` for incremental text decoding.",
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69 |
+
default=1,
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70 |
+
)
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71 |
+
parser.add_argument(
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72 |
+
"--text_generation_max_len_b",
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73 |
+
type=int,
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74 |
+
help="`b` in `ax + b` for incremental text decoding.",
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75 |
+
default=200,
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76 |
+
)
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77 |
+
parser.add_argument(
|
78 |
+
"--text_generation_ngram_blocking",
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79 |
+
type=bool,
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80 |
+
help=(
|
81 |
+
"Enable ngram_repeat_block for incremental text decoding."
|
82 |
+
"This blocks hypotheses with repeating ngram tokens."
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83 |
+
),
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84 |
+
default=False,
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85 |
+
)
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86 |
+
parser.add_argument(
|
87 |
+
"--no_repeat_ngram_size",
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88 |
+
type=int,
|
89 |
+
help="Size of ngram repeat block for both text & unit decoding.",
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90 |
+
default=4,
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91 |
+
)
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92 |
+
# Unit generation args.
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93 |
+
parser.add_argument(
|
94 |
+
"--unit_generation_beam_size",
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95 |
+
type=int,
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96 |
+
help=(
|
97 |
+
"Beam size for incremental unit decoding"
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98 |
+
"not applicable for the NAR T2U decoder."
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99 |
+
),
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+
default=5,
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101 |
+
)
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102 |
+
parser.add_argument(
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103 |
+
"--unit_generation_max_len_a",
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104 |
+
type=int,
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105 |
+
help=(
|
106 |
+
"`a` in `ax + b` for incremental unit decoding"
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107 |
+
"not applicable for the NAR T2U decoder."
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108 |
+
),
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109 |
+
default=25,
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110 |
+
)
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111 |
+
parser.add_argument(
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112 |
+
"--unit_generation_max_len_b",
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113 |
+
type=int,
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114 |
+
help=(
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115 |
+
"`b` in `ax + b` for incremental unit decoding"
|
116 |
+
"not applicable for the NAR T2U decoder."
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117 |
+
),
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118 |
+
default=50,
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119 |
+
)
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120 |
+
parser.add_argument(
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121 |
+
"--unit_generation_ngram_blocking",
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122 |
+
type=bool,
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123 |
+
help=(
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124 |
+
"Enable ngram_repeat_block for incremental unit decoding."
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125 |
+
"This blocks hypotheses with repeating ngram tokens."
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126 |
+
),
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127 |
+
default=False,
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128 |
+
)
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129 |
+
parser.add_argument(
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130 |
+
"--unit_generation_ngram_filtering",
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131 |
+
type=bool,
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132 |
+
help=(
|
133 |
+
"If True, removes consecutive repeated ngrams"
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134 |
+
"from the decoded unit output."
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135 |
+
),
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136 |
+
default=False,
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137 |
+
)
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138 |
+
parser.add_argument(
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139 |
+
"--text_unk_blocking",
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140 |
+
type=bool,
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141 |
+
help=(
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+
"If True, set penalty of UNK to inf in text generator "
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143 |
+
"to block unk output."
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+
),
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+
default=False,
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+
)
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+
return parser
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+
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149 |
+
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150 |
+
def set_generation_opts(
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151 |
+
args: Namespace,
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+
) -> Tuple[SequenceGeneratorOptions, SequenceGeneratorOptions]:
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153 |
+
# Set text, unit generation opts.
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+
text_generation_opts = SequenceGeneratorOptions(
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+
beam_size=args.text_generation_beam_size,
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156 |
+
soft_max_seq_len=(
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+
args.text_generation_max_len_a,
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158 |
+
args.text_generation_max_len_b,
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159 |
+
),
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160 |
+
)
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161 |
+
if args.text_unk_blocking:
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162 |
+
text_generation_opts.unk_penalty = torch.inf
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163 |
+
if args.text_generation_ngram_blocking:
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164 |
+
text_generation_opts.step_processor = NGramRepeatBlockProcessor(
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+
ngram_size=args.no_repeat_ngram_size
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166 |
+
)
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167 |
+
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168 |
+
unit_generation_opts = SequenceGeneratorOptions(
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169 |
+
beam_size=args.unit_generation_beam_size,
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170 |
+
soft_max_seq_len=(
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171 |
+
args.unit_generation_max_len_a,
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+
args.unit_generation_max_len_b,
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+
),
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174 |
+
)
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175 |
+
if args.unit_generation_ngram_blocking:
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176 |
+
unit_generation_opts.step_processor = NGramRepeatBlockProcessor(
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177 |
+
ngram_size=args.no_repeat_ngram_size
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178 |
+
)
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179 |
+
return text_generation_opts, unit_generation_opts
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180 |
+
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181 |
+
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182 |
+
def main() -> None:
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183 |
+
parser = argparse.ArgumentParser(
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184 |
+
description="M4T inference on supported tasks using Translator."
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185 |
+
)
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186 |
+
parser.add_argument("input", type=str, help="Audio WAV file path or text input.")
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187 |
+
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188 |
+
parser = add_inference_arguments(parser)
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189 |
+
args = parser.parse_args()
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190 |
+
if not args.task or not args.tgt_lang:
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191 |
+
raise Exception(
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192 |
+
"Please provide required arguments for evaluation - task, tgt_lang"
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193 |
+
)
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194 |
+
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195 |
+
if args.task.upper() in {"S2ST", "T2ST"} and args.output_path is None:
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196 |
+
raise ValueError("output_path must be provided to save the generated audio")
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197 |
+
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198 |
+
if torch.cuda.is_available():
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199 |
+
device = torch.device("cuda:0")
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200 |
+
dtype = torch.float16
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201 |
+
else:
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202 |
+
device = torch.device("cpu")
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203 |
+
dtype = torch.float32
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204 |
+
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205 |
+
logger.info(f"Running inference on {device=} with {dtype=}.")
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206 |
+
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207 |
+
translator = Translator(args.model_name, args.vocoder_name, device, dtype=dtype)
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208 |
+
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209 |
+
text_generation_opts, unit_generation_opts = set_generation_opts(args)
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210 |
+
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211 |
+
logger.info(f"{text_generation_opts=}")
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212 |
+
logger.info(f"{unit_generation_opts=}")
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213 |
+
logger.info(
|
214 |
+
f"unit_generation_ngram_filtering={args.unit_generation_ngram_filtering}"
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215 |
+
)
|
216 |
+
|
217 |
+
text_output, speech_output = translator.predict(
|
218 |
+
args.input,
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219 |
+
args.task,
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220 |
+
args.tgt_lang,
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221 |
+
src_lang=args.src_lang,
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222 |
+
text_generation_opts=text_generation_opts,
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223 |
+
unit_generation_opts=unit_generation_opts,
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224 |
+
unit_generation_ngram_filtering=args.unit_generation_ngram_filtering,
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225 |
+
)
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226 |
+
|
227 |
+
if speech_output is not None:
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228 |
+
logger.info(f"Saving translated audio in {args.tgt_lang}")
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229 |
+
torchaudio.save(
|
230 |
+
args.output_path,
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231 |
+
speech_output.audio_wavs[0][0].to(torch.float32).cpu(),
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232 |
+
sample_rate=speech_output.sample_rate,
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233 |
+
)
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234 |
+
logger.info(f"Translated text in {args.tgt_lang}: {text_output[0]}")
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235 |
+
|
236 |
+
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237 |
+
if __name__ == "__main__":
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238 |
+
main()
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