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WindowsSdk: play_audio interface

int _stdcall play_audio(void* client);
client:[in],The client object which is form new_client.
Return ERROR_OK if success,else refer to the definition of error number
Request audio data from camera.
    Make sure the camera has connected now.
It will occur a AUDIO_STATUS_CHANGED event, usually, 
the video status will follow the order-- STOPPED -> REQUESTING -> PLAYING.
When request successfully, the camera will send audio data to user by AUDIO_DATA event.
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Page last modified on April 10, 2013, at 05:00 PM EST