예제 #1
0
        /// <summary>
        /// Gets the current position in bytes from the wave output device.
        /// (n.b. this is not the same thing as the position within your reader
        /// stream - it calls directly into waveOutGetPosition)
        /// </summary>
        /// <returns>Position in bytes</returns>
        public long GetPosition()
        {
            lock (_waveOutLock)
            {
                MmTime mmTime = new MmTime();
                mmTime.wType = MmTime.TIME_BYTES; // request results in bytes, TODO: perhaps make this a little more flexible and support the other types?
                MmException.Try(WaveInterop.waveOutGetPosition(_hWaveOut, out mmTime, Marshal.SizeOf(mmTime)), "waveOutGetPosition");

                if (mmTime.wType != MmTime.TIME_BYTES)
                {
                    throw new Exception(string.Format("waveOutGetPosition: wType -> Expected {0}, Received {1}", MmTime.TIME_BYTES, mmTime.wType));
                }

                return(mmTime.cb);
            }
        }
예제 #2
0
 public static extern MmResult waveOutGetPosition(IntPtr hWaveOut, out MmTime mmTime, int uSize);