8000 Memory leak associated with logging when using Python bindings · Issue #686 · Pulse-Eight/libcec · GitHub
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Memory leak associated with logging when using Python bindings #686

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JetA2 opened this issue Mar 29, 2025 · 0 comments
Open

Memory leak associated with logging when using Python bindings #686

JetA2 opened this issue Mar 29, 2025 · 0 comments

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@JetA2
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JetA2 commented Mar 29, 2025 •
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When using Python bindings with libcec in a long-running process, a memory leak can be observed.
The leak seems to have something to do with the logging function, as there is no leak if no log callback is configured.

Using libcec 7.0.0, Python 3.11.2

Minimal code example:

import cec
import time


def libcec_log(level, time, message):
    return 0


libcec_config = cec.libcec_configuration()
libcec_config.bActivateSource = 0
libcec_config.deviceTypes.Add(cec.CEC_DEVICE_TYPE_RECORDING_DEVICE)
libcec_config.clientVersion = cec.LIBCEC_VERSION_CURRENT

# Adding the line below triggers memory leak
libcec_config.SetLogCallback(libcec_log)

lib = cec.ICECAdapter.Create(libcec_config)
adapters = lib.DetectAdapters()
lib.Open(adapters[0].strComName)

while True:
    time.sleep(1)
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