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# Copyright 2023 The HuggingFace Team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import unittest
import numpy as np
from transformers import (
MODEL_FOR_TEXT_TO_WAVEFORM_MAPPING,
AutoProcessor,
TextToAudioPipeline,
pipeline,
)
from transformers.testing_utils import (
is_pipeline_test,
require_torch,
require_torch_gpu,
require_torch_or_tf,
slow,
)
from .test_pipelines_common import ANY
@is_pipeline_test
@require_torch_or_tf
class TextToAudioPipelineTests(unittest.TestCase):
model_mapping = MODEL_FOR_TEXT_TO_WAVEFORM_MAPPING
# for now only test text_to_waveform and not text_to_spectrogram
@slow
@require_torch
def test_small_model_pt(self):
speech_generator = pipeline(task="text-to-audio", model="facebook/musicgen-small", framework="pt")
forward_params = {
"do_sample": False,
"max_new_tokens": 250,
}
outputs = speech_generator("This is a test", forward_params=forward_params)
# musicgen sampling_rate is not straightforward to get
self.assertIsNone(outputs["sampling_rate"])
audio = outputs["audio"]
self.assertEqual(ANY(np.ndarray), audio)
# test two examples side-by-side
outputs = speech_generator(["This is a test", "This is a second test"], forward_params=forward_params)
audio = [output["audio"] for output in outputs]
self.assertEqual([ANY(np.ndarray), ANY(np.ndarray)], audio)
# test batching
outputs = speech_generator(
["This is a test", "This is a second test"], forward_params=forward_params, batch_size=2
)
self.assertEqual(ANY(np.ndarray), outputs[0]["audio"])
@slow
@require_torch
def test_large_model_pt(self):
speech_generator = pipeline(task="text-to-audio", model="suno/bark-small", framework="pt")
forward_params = {
# Using `do_sample=False` to force deterministic output
"do_sample": False,
"semantic_max_new_tokens": 100,
}
outputs = speech_generator("This is a test", forward_params=forward_params)
self.assertEqual(
{"audio": ANY(np.ndarray), "sampling_rate": 24000},
outputs,
)
# test two examples side-by-side
outputs = speech_generator(
["This is a test", "This is a second test"],
forward_params=forward_params,
)
audio = [output["audio"] for output in outputs]
self.assertEqual([ANY(np.ndarray), ANY(np.ndarray)], audio)
# test other generation strategy
forward_params = {
"do_sample": True,
"semantic_max_new_tokens": 100,
"semantic_num_return_sequences": 2,
}
outputs = speech_generator("This is a test", forward_params=forward_params)
audio = outputs["audio"]
self.assertEqual(ANY(np.ndarray), audio)
# test using a speaker embedding
processor = AutoProcessor.from_pretrained("suno/bark-small")
temp_inp = processor("hey, how are you?", voice_preset="v2/en_speaker_5")
history_prompt = temp_inp["history_prompt"]
forward_params["history_prompt"] = history_prompt
outputs = speech_generator(
["This is a test", "This is a second test"],
forward_params=forward_params,
batch_size=2,
)
audio = [output["audio"] for output in outputs]
self.assertEqual([ANY(np.ndarray), ANY(np.ndarray)], audio)
@slow
@require_torch_gpu
def test_conversion_additional_tensor(self):
speech_generator = pipeline(task="text-to-audio", model="suno/bark-small", framework="pt", device=0)
processor = AutoProcessor.from_pretrained("suno/bark-small")
forward_params = {
"do_sample": True,
"semantic_max_new_tokens": 100,
}
# atm, must do to stay coherent with BarkProcessor
preprocess_params = {
"max_length": 256,
"add_special_tokens": False,
"return_attention_mask": True,
"return_token_type_ids": False,
"padding": "max_length",
}
outputs = speech_generator(
"This is a test",
forward_params=forward_params,
preprocess_params=preprocess_params,
)
temp_inp = processor("hey, how are you?", voice_preset="v2/en_speaker_5")
history_prompt = temp_inp["history_prompt"]
forward_params["history_prompt"] = history_prompt
# history_prompt is a torch.Tensor passed as a forward_param
# if generation is successful, it means that it was passed to the right device
outputs = speech_generator(
"This is a test", forward_params=forward_params, preprocess_params=preprocess_params
)
self.assertEqual(
{"audio": ANY(np.ndarray), "sampling_rate": 24000},
outputs,
)
@slow
@require_torch
def test_vits_model_pt(self):
speech_generator = pipeline(task="text-to-audio", model="facebook/mms-tts-eng", framework="pt")
outputs = speech_generator("This is a test")
self.assertEqual(outputs["sampling_rate"], 16000)
audio = outputs["audio"]
self.assertEqual(ANY(np.ndarray), audio)
# test two examples side-by-side
outputs = speech_generator(["This is a test", "This is a second test"])
audio = [output["audio"] for output in outputs]
self.assertEqual([ANY(np.ndarray), ANY(np.ndarray)], audio)
# test batching
outputs = speech_generator(["This is a test", "This is a second test"], batch_size=2)
self.assertEqual(ANY(np.ndarray), outputs[0]["audio"])
def get_test_pipeline(self, model, tokenizer, processor):
speech_generator = TextToAudioPipeline(model=model, tokenizer=tokenizer)
return speech_generator, ["This is a test", "Another test"]
def run_pipeline_test(self, speech_generator, _):
outputs = speech_generator("This is a test")
self.assertEqual(ANY(np.ndarray), outputs["audio"])
forward_params = {"num_return_sequences": 2, "do_sample": True}
outputs = speech_generator(["This is great !", "Something else"], forward_params=forward_params)
audio = [output["audio"] for output in outputs]
self.assertEqual([ANY(np.ndarray), ANY(np.ndarray)], audio)
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