115 lines
3.4 KiB
C#
115 lines
3.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Runtime.InteropServices;
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using System.Collections;
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using SafeMobileLib;
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namespace Safedispatch_4_0
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{
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class AudioDeviceName
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{
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private const int MAXPNAMELEN = 122;
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[StructLayout(LayoutKind.Sequential, Pack = 4)]
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public struct WaveInCaps
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{
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public short wMid;
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public short wPid;
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public int vDriverVersion;
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[MarshalAs(UnmanagedType.ByValTStr, SizeConst = MAXPNAMELEN)]
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public string szPname;
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public int dwFormats;
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public short wChannels;
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public short wReserved1;
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}
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[DllImport("winmm.dll")]
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public static extern int waveInGetNumDevs();
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[DllImport("winmm.dll")]
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public static extern int waveOutGetNumDevs();
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[DllImport("winmm.dll", EntryPoint = "waveInGetDevCaps")]
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public static extern int waveInGetDevCapsA(int uDeviceID, ref WaveInCaps lpCaps, int uSize);
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[DllImport("winmm.dll", EntryPoint = "waveOutGetDevCaps")]
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public static extern int waveOutGetDevCapsA(int uDeviceID, ref WaveInCaps lpCaps, int uSize);
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ArrayList arrLst = new ArrayList();
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public int Count
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{
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get {return arrLst.Count;}
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}
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public string this[int indexer]
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{
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get{return (string)arrLst[indexer];}
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}
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public AudioDeviceName()
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{
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}
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private String trimHi(String s)
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{
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int index = s.IndexOf("(Hi");
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if (index >= 0)
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{
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return s.Substring(0, index);
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}
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else
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{
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return s;
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}
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}
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public ArrayList getInDevices()
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{
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ArrayList arrLst = new ArrayList();
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try
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{
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int waveInDevicesCount = waveInGetNumDevs();
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if (waveInDevicesCount > 0)
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{
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for (int uDeviceID = 0; uDeviceID < waveInDevicesCount; uDeviceID++)
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{
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WaveInCaps waveInCaps = new WaveInCaps();
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waveInGetDevCapsA(uDeviceID, ref waveInCaps, Marshal.SizeOf(typeof(WaveInCaps)));
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arrLst.Add(trimHi(waveInCaps.szPname));
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}
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}
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}
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catch (Exception ex)
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{
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SM.Debug("getInDevices:"+ex.ToString());
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}
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return arrLst;
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}
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public ArrayList getOutDevices()
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{
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ArrayList arrLst = new ArrayList();
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try
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{
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int waveOutDevicesCount = waveOutGetNumDevs();
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if (waveOutDevicesCount > 0)
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{
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for (int uDeviceID = 0; uDeviceID < waveOutDevicesCount; uDeviceID++)
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{
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WaveInCaps waveInCaps = new WaveInCaps();
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waveOutGetDevCapsA(uDeviceID, ref waveInCaps, Marshal.SizeOf(typeof(WaveInCaps)));
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arrLst.Add(trimHi(waveInCaps.szPname));
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}
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}
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}
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catch (Exception ex)
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{
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SM.Debug("getOutDevices:" + ex.ToString());
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}
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return arrLst;
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}
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}
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}
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