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/AliOS-Things-master/components/a2sa/example/
A Dsound_example_lb.c30 unsigned char * dataBuf = NULL; in sound_loopback_thread() local
38 dataBuf = (unsigned char *)malloc(buf_size); in sound_loopback_thread()
39 if(!dataBuf) { in sound_loopback_thread()
74 ret = aos_pcm_readi(cap_pcm, dataBuf, aos_pcm_bytes_to_frames(cap_pcm, buf_size)); in sound_loopback_thread()
77 …ret = aos_pcm_writei(pb_pcm, dataBuf, aos_pcm_bytes_to_frames(pb_pcm, aos_pcm_frames_to_bytes(cap_… in sound_loopback_thread()

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