34 lines
815 B
Python
34 lines
815 B
Python
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"""PyAudio Example: Play a wave file."""
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import wave
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import sys
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import pyaudio
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CHUNK = 1024
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if len(sys.argv) < 2:
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print(f'Plays a wave file. Usage: {sys.argv[0]} filename.wav')
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sys.exit(-1)
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with wave.open(sys.argv[1], 'rb') as wf:
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# Instantiate PyAudio and initialize PortAudio system resources (1)
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p = pyaudio.PyAudio()
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# Open stream (2)
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stream = p.open(format=p.get_format_from_width(wf.getsampwidth()),
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channels=wf.getnchannels(),
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rate=wf.getframerate(),
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output=True)
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# Play samples from the wave file (3)
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while len(data := wf.readframes(CHUNK)): # Requires Python 3.8+ for :=
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stream.write(data)
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# Close stream (4)
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stream.close()
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# Release PortAudio system resources (5)
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p.terminate()
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