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| import io | |
| import os | |
| import subprocess | |
| import av | |
| import numpy as np | |
| mpv_command = ["mpv", "--no-cache", "--no-terminal", "--", "fd://0"] | |
| mpv_process = subprocess.Popen( | |
| mpv_command, | |
| stdin=subprocess.PIPE, | |
| stdout=subprocess.DEVNULL, | |
| stderr=subprocess.DEVNULL, | |
| ) | |
| load_chunks = False | |
| load_chunks = os.path.exists("chunks.pkl") | |
| audio_frames = [] | |
| # try open chunks | |
| with open("chunks.pkl", "rb") as f: | |
| import pickle | |
| chunks = pickle.load(f) | |
| append = False | |
| for chunk in chunks: | |
| mpv_process.stdin.write(chunk) | |
| mpv_process.stdin.flush() | |
| # np_chunk = np.frombuffer(chunk, dtype=np.int16) | |
| # aa = av.AudioFrame.from_ndarray(chunk) | |
| try: | |
| if append: | |
| bytes_io.write(chunk) | |
| append = False | |
| bytes_io.seek(0) | |
| else: | |
| bytes_io = io.BytesIO(chunk) | |
| container = av.open(bytes_io, 'r', format='mp3') | |
| audio_stream = next(s for s in container.streams if s.type == 'audio') | |
| for frame in container.decode(audio_stream): | |
| # Convert the audio frame to a NumPy array | |
| array = frame.to_ndarray() | |
| # Now you can use av.AudioFrame.from_ndarray | |
| audio_frame = av.AudioFrame.from_ndarray(array, format='flt', layout='mono') | |
| audio_frame.sample_rate = 44100 | |
| audio_frames.append(audio_frame) | |
| except Exception as e: | |
| print (e) | |
| append = True | |
| bytes_io.seek(0, io.SEEK_END) | |
| continue | |
| # with open("frames.pkl", "wb") as f: | |
| # import pickle | |
| # pickle.dump(audio_frames, f) | |
| if mpv_process.stdin: | |
| mpv_process.stdin.close() | |
| mpv_process.wait() |