475 static MS_S32           _s32VdecMutexId = -1;  variable
925     if(_s32VdecMutexId < 0)  in _VDEC_SYS_Init()
927         _s32VdecMutexId = MsOS_CreateMutex(E_MSOS_FIFO, (char*)_u8VdecMutex, MSOS_PROCESS_SHARED);  in _VDEC_SYS_Init()
929     if(_s32VdecMutexId < 0)  in _VDEC_SYS_Init()
943         MsOS_DeleteMutex(_s32VdecMutexId);  in _VDEC_SYS_Init()
963         MsOS_DeleteMutex(_s32VdecMutexId);  in _VDEC_SYS_Init()
971     if(_s32VdecMutexId < 0)  in _VDEC_MutexInit()
973         _s32VdecMutexId = MsOS_CreateMutex(E_MSOS_FIFO, (char*)_u8VdecMutex, MSOS_PROCESS_SHARED);  in _VDEC_MutexInit()
975     return (_s32VdecMutexId != -1);  in _VDEC_MutexInit()
981     if(_s32VdecMutexId != -1)  in _VDEC_MutexExit()
983         MsOS_DeleteMutex(_s32VdecMutexId);  in _VDEC_MutexExit()
984         _s32VdecMutexId = -1;  in _VDEC_MutexExit()
995     if(_s32VdecMutexId != -1)
997         MsOS_DeleteMutex(_s32VdecMutexId);
998         _s32VdecMutexId = -1;
1019     if (_s32VdecMutexId != -1)  in _VDEC_MutexLock()
1021         return MsOS_ObtainMutex(_s32VdecMutexId, MSOS_WAIT_FOREVER);  in _VDEC_MutexLock()
1031     if (_s32VdecMutexId != -1)  in _VDEC_MutexUnlock()
1033         return MsOS_ReleaseMutex(_s32VdecMutexId);  in _VDEC_MutexUnlock()