C# (CSharp) DeviceType.AsEDataFlow示例

示例#1

        public override CoreAudioDevice GetDefaultDevice(DeviceType deviceType, Role role)
        {
            var acquiredLock = _lock.AcquireReadLockNonReEntrant();

            try
            {
                IMMDevice dev;
                _innerEnumerator.GetDefaultAudioEndpoint(deviceType.AsEDataFlow(), role.AsERole(), out dev);
                if (dev == null)
                {
                    return(null);
                }

                string devId;
                dev.GetId(out devId);
                if (String.IsNullOrEmpty(devId))
                {
                    return(null);
                }

                return(_deviceCache.FirstOrDefault(x => x.RealId == devId));
            }
            finally
            {
                if (acquiredLock)
                {
                    _lock.ExitReadLock();
                }
            }
        }

示例#2

        public string GetDefaultDeviceId(DeviceType deviceType, Role role)
        {
            IMultimediaDevice dev;

            InnerEnumerator.GetDefaultAudioEndpoint(deviceType.AsEDataFlow(), role.AsERole(), out dev);
            if (dev == null)
            {
                return(null);
            }

            string devId;

            dev.GetId(out devId);

            return(devId);
        }