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| # cloud_server_audio_loader.py | |
| import io | |
| import requests | |
| import numpy as np | |
| from pydub import AudioSegment | |
| class CloudServerAudioLoader: | |
| def __init__(self, base_url: str) -> None: | |
| if not base_url.endswith("/"): | |
| base_url += "/" | |
| self.base_url = base_url | |
| def _download_to_buf(self, filename: str) -> io.BytesIO: | |
| url = self.base_url + filename | |
| print("url:", url) # Debugging line to check the URL | |
| resp = requests.get(url, stream=True) | |
| if resp.status_code != 200: | |
| raise FileNotFoundError(f"'{filename}' not found. HTTP {resp.status_code}") | |
| buf = io.BytesIO(resp.content) | |
| buf.seek(0) | |
| return buf | |
| def load_audio(self, filename: str) -> tuple[int, np.ndarray]: | |
| buf = self._download_to_buf(filename) | |
| seg = AudioSegment.from_file(buf) | |
| samples = np.array(seg.get_array_of_samples()) | |
| if seg.channels > 1: | |
| samples = samples.reshape(-1, seg.channels) | |
| if np.issubdtype(samples.dtype, np.integer): | |
| max_int = np.iinfo(samples.dtype).max | |
| samples = samples.astype(np.float32) | |
| samples /= max_int | |
| else: | |
| max_val = np.abs(samples).max() | |
| if max_val > 1: | |
| samples = samples / max_val | |
| samples = samples.astype(np.float32) | |
| # -------------------------------------------------------- | |
| return seg.frame_rate, samples |