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equalizer: Fix high CPU usage by waiting a tiny bit in case of no data fetched from soundcard
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1 changed files with 4 additions and 1 deletions
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@ -88,6 +88,7 @@ else:
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SAMPLE_SIZE = CHUNK_SIZE*HISTORY_SIZE
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FREQ_STEP = float(RATE) / (CHUNK_SIZE * HISTORY_SIZE)
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PIXEL_FREQ_RANGE = math.pow(float(MAX_FREQ) / MIN_FREQ, 1.0/EPIXELS)
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CHUNK_PERIOD = 1.0 / (RATE / CHUNK_SIZE)
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def with_stream( fnc ):
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@ -141,7 +142,9 @@ def loop( stream ):
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while work:
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try: data = stream.read(CHUNK_SIZE)
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except IOError: continue
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except IOError:
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time.sleep(CHUNK_PERIOD)
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continue
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nowtrig = datetime.now().microsecond / 50000
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if (nowtrig == nexttrig):
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continue
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