nxaudio: fix audio stop logic to prevent buffer addition after STOP signal #2830
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…ignal - Ensure `AUDIO_STOP` via `ioctrl` is followed by `mq_send STOP` without race conditions. - Modify loop condition to correctly handle `running = false` upon receiving STOP signal. - Resolve potential issue where `AUDIO_MSG_DEQUEUE` could still accept buffers after STOP signal due to timing. Before: - `nxaudio_stop` would call `ioctrl AUDIO_STOP` followed by `mq_send STOP`, which might lead to `AUDIO_MSG_DEQUEUE` accepting buffers after STOP. After: - Synchronized the sequence of `ioctrl AUDIO_STOP` and `mq_send STOP` to prevent buffer addition after STOP. - Enhanced loop condition to accurately reflect the STOP state. Signed-off-by: xinbingnan <[email protected]>
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xiaoxiang781216
approved these changes
Nov 7, 2024
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Summary
AUDIO_STOPviaioctrlis followed bymq_send STOPwithout race conditions.running = falseupon receiving STOP signal.AUDIO_MSG_DEQUEUEcould still accept buffers after STOP signal due to timing.Before:
nxaudio_stopwould callioctrl AUDIO_STOPfollowed bymq_send STOP, which might lead toAUDIO_MSG_DEQUEUEaccepting buffers after STOP.After:
ioctrl AUDIO_STOPandmq_send STOPto prevent buffer addition after STOP.Impact
N/A
Testing
N/A