Function _aduio_replay_stop

components/drivers/audio/dev_audio.c:190–216

* @brief Stop replaying audio * * When audio->replay->queue is empty and the audio->replay->event was set REPLAY_EVT_STOP, * _audio_send_replay_frame will send completion to stop replaying audio. * * @param[in] audio pointer to audio device * * @return error code, RT_EOK is successful otherwise means failure */

 * @return error code, RT_EOK is successful otherwise means failure
 */
static rt_err_t _aduio_replay_stop(struct rt_audio_device *audio)
{
    rt_err_t result = RT_EOK;

    if (audio->replay->activated == RT_TRUE)
    {
        /* flush replay remian frames */
        _audio_flush_replay_frame(audio);

        /* notify irq(or thread) to stop the data transmission */
        audio->replay->event |= REPLAY_EVT_STOP;

        /* waiting for the remaining data transfer to complete */
        rt_completion_init(&audio->replay->cmp);
        rt_completion_wait(&audio->replay->cmp, RT_WAITING_FOREVER);
        audio->replay->event &= ~REPLAY_EVT_STOP;

        /* stop playback hardware device */
        if (audio->ops->stop)
            result = audio->ops->stop(audio, AUDIO_STREAM_REPLAY);

        audio->replay->activated = RT_FALSE;
        LOG_D("stop audio replay device");
    }

    return result;
}

/**
 * @brief Open audio pipe and start to record audio