public HResult BeginCreateObject(
IMFByteStream pByteStream,
string pwszURL,
MFResolution dwFlags,
IPropertyStore pProps, // Can be NULL.
out object ppIUnknownCancelCookie, // Can be NULL.
IMFAsyncCallback pCallback,
object punkState // Can be NULL
)
{
// Make sure we *never* leave this entry point with an exception
try
{
HResult hr;
m_Log.WriteLine("BeginCreateObject");
ppIUnknownCancelCookie = null; // We don't return a cancellation cookie.
if ((pByteStream == null) || (pwszURL == null) || (pCallback == null))
{
throw new COMException("bad stream, url, or callback", (int)HResult.E_INVALIDARG);
}
IMFAsyncResult pResult = null;
WavSource pSource = new WavSource();
pSource.Open(pByteStream);
hr = MFExtern.MFCreateAsyncResult(pSource as IMFMediaSource, pCallback, punkState, out pResult);
MFError.ThrowExceptionForHR(hr);
hr = MFExtern.MFInvokeCallback(pResult);
MFError.ThrowExceptionForHR(hr);
if (pResult != null)
{
Marshal.ReleaseComObject(pResult);
}
return(HResult.S_OK);
}
catch (Exception e)
{
ppIUnknownCancelCookie = null;
return((HResult)Marshal.GetHRForException(e));
}
}
protected override void PlayAndRecord(string WavFileName, Channel Channel)
{
bool IsEqual = false;
ProductName = string.Empty;
List <Guid> AudioDeviceList = null;
SetupApi = new SetupApi();
di.Clear();
switch (Channel)
{
case Channel.Left:
case Channel.Right:
case Channel.AudioJack:
AudioDeviceList = MachineAudioDeviceList;
break;
case Channel.HeadSet:
AudioDeviceList = ExternalAudioDeviceList;
break;
case Channel.Fan:
AudioDeviceList = FanRecordDeviceList;
break;
}
for (int n = -1; n < WaveOut.DeviceCount; n++)
{
var caps = WaveOut.GetCapabilities(n);
Console.WriteLine("Play device {0}: {1}", n, caps.ProductName);
Console.WriteLine(caps.ManufacturerGuid);
Trace.WriteLine(caps.ManufacturerGuid);
foreach (var v in AudioDeviceList)
{
if (caps.ManufacturerGuid.Equals(v))
{
DeviceNumber = n;
ProductName = caps.ProductName;
SetupApi.GetLocationInformation(DeviceNumber, ProductName);
Console.WriteLine("Find");
}
}
}
switch (Channel)
{
case Channel.Left:
case Channel.Right:
if (string.IsNullOrEmpty(ProductName))
{
throw new Exception("Machine audio device not found");
}
break;
case Channel.HeadSet:
IsEqual = ExternalAudioDeviceList.Except(FanRecordDeviceList).Count() == 0;
if (IsEqual)
{
if (SetupApi.di.Count() < 2 || ProductName.Contains(UsbAudioDeviceName))
{
throw new Exception("External audio device not found");
}
}
else
{
if (string.IsNullOrEmpty(ProductName) || ProductName.Contains(UsbAudioDeviceName))
{
throw new Exception("External audio device not found");
}
}
DeviceNumber = SetupApi.di.OrderBy(e => e.Value).FirstOrDefault().Key;
//ProductName = SetupApi.di.OrderBy(e => e.Value).FirstOrDefault().Value;
break;
case Channel.AudioJack:
if (string.IsNullOrEmpty(ProductName))
{
throw new Exception("Audio Jack device not found");
}
break;
case Channel.Fan:
IsEqual = ExternalAudioDeviceList.Except(FanRecordDeviceList).Count() == 0;
if (IsEqual)
{
if (SetupApi.di.Count() < 2 || ProductName.Contains(UsbAudioDeviceName))
{
throw new Exception("Fan record device not found");
}
}
else
{
if (string.IsNullOrEmpty(ProductName) || ProductName.Contains(UsbAudioDeviceName))
{
throw new Exception("Fan record device not found");
}
}
DeviceNumber = SetupApi.di.OrderBy(e => e.Value).LastOrDefault().Key;
//ProductName = SetupApi.di.OrderBy(e => e.Value).LastOrDefault().Value;
break;
}
using (var inputReader = new WaveFileReader(WavFileName))
using (var outputDevice = new WaveOutEvent())
{
outputDevice.DeviceNumber = DeviceNumber;
Console.WriteLine("Play device: ###### {0} ######", WaveOut.GetCapabilities(DeviceNumber).ProductName);
foreach (var item in SetupApi.di.OrderBy(e => e.Value))
{
Console.WriteLine(item.Key + " " + item.Value);
}
outputDevice.Init(inputReader);
outputDevice.PlaybackStopped += (sender, e) =>
{
if (WavSource != null)
{
WavSource.StopRecording();
}
Console.WriteLine("Play Stopped");
};
outputDevice.Play();
switch (Channel)
{
case Channel.Left:
Record(Channel.Left).Wait();
break;
case Channel.Right:
Record(Channel.Right).Wait();
break;
case Channel.AudioJack:
Record(Channel.AudioJack).Wait();
break;
case Channel.HeadSet:
Record(Channel.HeadSet).Wait();
break;
case Channel.Fan:
Record(Channel.Fan).Wait();
break;
}
while (outputDevice.PlaybackState == PlaybackState.Playing)
{
Thread.Sleep(500);
}
}
}
protected override void PlayAndRecord(string WavFileName, Channel Channel)
{
ProductName = string.Empty;
List <Guid> AudioDeviceList = null;
if (Channel == Channel.Left || Channel == Channel.Right)
{
AudioDeviceList = MachineAudioDeviceList;
}
else if (Channel == Channel.HeadSet)
{
AudioDeviceList = ExternalAudioDeviceList;
}
for (int n = -1; n < WaveOut.DeviceCount; n++)
{
var caps = WaveOut.GetCapabilities(n);
Console.WriteLine("Play device {0}: {1}", n, caps.ProductName);
Console.WriteLine(caps.ManufacturerGuid);
Trace.WriteLine(caps.ManufacturerGuid);
foreach (var v in AudioDeviceList)
{
if (caps.ManufacturerGuid.Equals(v))
{
DeviceNumber = n;
ProductName = caps.ProductName;
Console.WriteLine("Find");
}
}
}
if (string.IsNullOrEmpty(ProductName) && (Channel == Channel.Left || Channel == Channel.Right))
{
throw new Exception("Machine audio device not found");
}
else if (string.IsNullOrEmpty(ProductName) && Channel == Channel.HeadSet)
{
throw new Exception("External audio device not found");
}
using (var inputReader = new WaveFileReader(WavFileName))
using (var outputDevice = new WaveOutEvent())
{
outputDevice.DeviceNumber = DeviceNumber;
Console.WriteLine("Play device: {0}", ProductName);
outputDevice.Init(inputReader);
outputDevice.PlaybackStopped += (sender, e) =>
{
if (WavSource != null)
{
WavSource.StopRecording();
}
Console.WriteLine("Play Stopped");
};
outputDevice.Play();
if (Channel == Channel.Left)
{
Record(Channel.Left).Wait();
}
else if (Channel == Channel.Right)
{
Record(Channel.Right).Wait();
}
else if (Channel == Channel.HeadSet)
{
Record(Channel.HeadSet).Wait();
}
while (outputDevice.PlaybackState == PlaybackState.Playing)
{
Thread.Sleep(500);
}
}
}
