static public WaveOutCaps[] GetDevs()
{
int iCount = waveOut.GetNumDevs();
WaveOutCaps[] pwocRet = new WaveOutCaps[iCount];
for (int x = 0; x < iCount; x++)
{
pwocRet[x] = new WaveOutCaps();
int mmr = waveOut.GetDevCaps(x, pwocRet[x], Marshal.SizeOf(pwocRet[x]));
waveOut.ThrowExceptionForError(mmr);
}
return(pwocRet);
}
public ArrayList getOutputDevices() //fill sound recording devices array
{
ArrayList arrLst = new ArrayList();
int waveOutDevicesCount = waveOutGetNumDevs(); //get total
if (waveOutDevicesCount > 0)
{
for (int uDeviceID = 0; uDeviceID < waveOutDevicesCount; uDeviceID++)
{
WaveOutCaps waveOutCaps = new WaveOutCaps();
waveOutGetDevCapsA(uDeviceID, ref waveOutCaps, Marshal.SizeOf(typeof(WaveOutCaps)));
arrLst.Add(new string(waveOutCaps.szPname).Remove(new string(waveOutCaps.szPname).IndexOf('\0')).Trim());
}
}
return(arrLst);
}
/// <summary>
/// WAVE出力ポートのリストを取得します。
/// </summary>
public static List <DeviceItem> GetDeviceList()
{
var deviceList = new List <DeviceItem>();
var waveOutCaps = new WaveOutCaps();
var item = new DeviceItem();
item.Name = "Wave Mapper";
item.ID = WaveMapper;
deviceList.Add(item);
for (uint id = 0; id < NumDevs; id++)
{
var ret = waveOutGetDevCaps(id, ref waveOutCaps, Marshal.SizeOf(typeof(WaveOutCaps)));
var tmpName = Encoding.Default.GetString(waveOutCaps.szPname);
var remIdx = tmpName.IndexOf("\0");
if (0 <= remIdx)
{
tmpName = tmpName.Remove(remIdx);
}
item = new DeviceItem();
item.Name = (ret == MMResult.MMSYSERR_NOERROR) ? tmpName : "No Name";
item.ID = id;
deviceList.Add(item);
}
for (int i = 0; i < deviceList.Count; i++)
{
var dev = deviceList[i];
if (dev.ID == mSelectedDevice.ID && dev.Name == mSelectedDevice.Name)
{
deviceList[i].Selected = true;
}
else
{
deviceList[i].Selected = false;
}
}
return(deviceList);
}
/// <summary>
/// 現在、コンピューターに存在しているオーディオデバイスを取得します。
/// </summary>
/// <returns>オーディオデバイスの列挙子。存在しないときは０件の列挙子を返却します。</returns>
/// <exception cref="IndexOutOfRangeException">オーディオデバイスのインデックス例外。</exception>
/// <exception cref="InvalidOperationException">再生デバイスの提供または、不明な例外。</exception>
/// <exception cref="OutOfMemoryException">メモリーの割当、ロックの例外。</exception>
public static IEnumerable <AudioDevice> Find()
{
var devices = new List <AudioDevice>();
var waveOutCaps = new WaveOutCaps();
var deviceCount = waveOutGetNumDevs();
for (int id = 0; id < deviceCount; id++)
{
var codeValue = (MMRESULT)waveOutGetDevCaps(id, ref waveOutCaps, Marshal.SizeOf(typeof(WaveOutCaps)));
var device = new AudioDevice();
if (codeValue == MMRESULT.MMSYSERR_NOERROR)
{
device.Id = id;
device.Name = waveOutCaps.szPname;
devices.Add(device);
}
else
{
// エラー処理
switch (codeValue)
{
case MMRESULT.MMSYSERR_BADDEVICEID:
throw new IndexOutOfRangeException($"指定されたインデックス {id} は領域外の値です。");
case MMRESULT.MMSYSERR_NODRIVER:
throw new InvalidOperationException($"再生デバイスの提供がありませんでした。");
case MMRESULT.MMSYSERR_NOMEM:
throw new OutOfMemoryException("メモリーの割当またはロックができませんでした。");
default:
throw new InvalidOperationException($"インデックス {id} は、特定できないエラー ({codeValue}) が発生しました。");
}
}
}
return(devices);
}
/// <summary>
/// Create the player
/// </summary>
/// <param name="iDevice">Zero based index of the playback device. See GetDevs for a list of devices.</param>
public CAudioPlay(int iDevice, Form fForm)
{
m_DeviceIndex = iDevice;
m_fForm = fForm;
WaveOutCaps woc = new WaveOutCaps();
int mmr = waveOut.GetDevCaps(iDevice, woc, Marshal.SizeOf(woc));
waveOut.ThrowExceptionForError(mmr);
m_WaveCaps = woc.dwSupport;
m_bIsSeekable = false;
m_bIsBroadcast = false;
m_dwAudioOutputNum = -1;
m_hrAsync = 0;
m_hWaveOut = IntPtr.Zero;
m_hMixer = IntPtr.Zero;
m_pReader = null;
m_pHeaderInfo = null;
m_cnsFileDuration = 0;
m_pWfx = null;
m_MaxSampleSize = -1;
m_OldTime = -1;
m_UseNext = 0;
m_InsBuf = new INSBuf[MAXBUFFERS];
// Create an event for asynchronous calls.
// When code in this class makes a call to an asynchronous
// method, it will wait for the event to be set to resume
// processing.
m_hAsyncEvent = new AutoResetEvent(false);
// Create a reader object, requesting only playback rights.
WMUtils.WMCreateReader(IntPtr.Zero, Rights.Playback, out m_pReader);
}
public static extern int waveOutGetDevCaps(int uDeviceID, ref WaveOutCaps pwoc, int cbwoc);
public static extern MmResult waveOutGetDevCaps(IntPtr deviceID, out WaveOutCaps waveOutCaps, uint cbwaveOutCaps);
public static extern int waveOutGetDevCaps(uint uDeviceID, out WaveOutCaps pwoc, int cbwoc);
/// <summary>
/// Gets the wave out devices.
/// </summary>
/// <returns>A list of wave out devices</returns>
public static List<string> GetWaveOutDevices()
{
var devices = new List<string>();
var deviceCount = waveOutGetNumDevs();
for (var i = -1; i < deviceCount; i++)
{
var waveOutCaps = new WaveOutCaps();
waveOutGetDevCaps(i, ref waveOutCaps, Marshal.SizeOf(typeof (WaveOutCaps)));
var deviceName = new string(waveOutCaps.szPname);
if (deviceName.Contains('\0'))
deviceName = deviceName.Substring(0, deviceName.IndexOf('\0'));
devices.Add(deviceName);
}
return devices;
}
private static extern int waveOutGetDevCaps(int uDeviceId, ref WaveOutCaps lpCaps, int uSize);
private static extern MMResult waveOutGetDevCaps([MarshalAs(UnmanagedType.U4)] uint uDeviceID, ref WaveOutCaps pwoc, [MarshalAs(UnmanagedType.U4)] int cbwoc);
public static extern MmResult waveOutGetDevCaps(IntPtr deviceID, out WaveOutCaps waveOutCaps, uint cbwaveOutCaps);
private static extern int waveOutGetDevCaps(int uDeviceID, ref WaveOutCaps pwoc, int cbwoc);
public static extern int waveOutGetDevCaps(int uDeviceID, ref WaveOutCaps lpCaps, int uSize);
