28     CAudioPlayer *thisAP = (CAudioPlayer *) pContext;  in SndFile_Callback()  local
29     object_lock_peek(&thisAP->mObject);  in SndFile_Callback()
30     SLuint32 state = thisAP->mPlay.mState;  in SndFile_Callback()
31     object_unlock_peek(&thisAP->mObject);  in SndFile_Callback()
35     struct SndFile *thiz = &thisAP->mSndFile;  in SndFile_Callback()
50     object_lock_exclusive(&thisAP->mObject);  in SndFile_Callback()
51     slPlayCallback callback = thisAP->mPlay.mCallback;  in SndFile_Callback()
52     void *context = thisAP->mPlay.mContext;  in SndFile_Callback()
54     SLuint32 sampleRateMilliHz = thisAP->mSampleRateMilliHz;  in SndFile_Callback()
57         thisAP->mPlay.mPosition = (SLuint32) (((long long) thisAP->mPlay.mFramesSinceLastSeek *  in SndFile_Callback()
58             1000000LL) / sampleRateMilliHz) + thisAP->mPlay.mLastSeekPosition;  in SndFile_Callback()
61         SLuint32 frameUpdatePeriod = thisAP->mPlay.mFrameUpdatePeriod;  in SndFile_Callback()
63             (thisAP->mPlay.mFramesSincePositionUpdate >= frameUpdatePeriod) &&  in SndFile_Callback()
64             (SL_PLAYEVENT_HEADATNEWPOS & thisAP->mPlay.mEventFlags)) {  in SndFile_Callback()
68             if ((thisAP->mPlay.mFramesSincePositionUpdate -= thisAP->mPlay.mFrameUpdatePeriod) >=  in SndFile_Callback()
70                 thisAP->mPlay.mFramesSincePositionUpdate %= frameUpdatePeriod;  in SndFile_Callback()
76         object_unlock_exclusive(&thisAP->mObject);  in SndFile_Callback()
84         thisAP->mPlay.mState = SL_PLAYSTATE_PAUSED;  in SndFile_Callback()
88         object_unlock_exclusive_attributes(&thisAP->mObject, ATTR_TRANSPORT);  in SndFile_Callback()
93             (*callback)(&thisAP->mPlay.mItf, context, SL_PLAYEVENT_HEADATNEWPOS);  in SndFile_Callback()