63     return OK;  in initCheck()
69     return OK;  in setUID()
152     return OK;  in setVideoSurfaceTexture()
173             return (mState == STATE_PREPARED) ? OK : UNKNOWN_ERROR;  in prepare_l()
187             return OK;  in prepareAsync()
201             if (err != OK) {  in start()
242     return OK;  in start()
255             return OK;  in pause()
268     return OK;  in pause()
301     return OK;  in seekTo()
313     return OK;  in getCurrentPosition()
325     return OK;  in getDuration()
333             return OK;  in reset()
364     return OK;  in reset()
383     if (ret != OK) {  in invoke()
455     return OK;  in getMetadata()
512     return OK;  in dump()
530     mState = (err == OK) ? STATE_UNPREPARED : STATE_IDLE;  in notifySetDataSourceCompleted()
549     if (err == OK) {  in notifyPrepareCompleted()