public override void Stop()
{
if (Running)
{
WinMMNatives.ResetPlaybackDevice(handle);
Running = false;
}
}
public WavePlayer(DataSource dataSource)
{
this.dataSource = dataSource;
var device = FindBestDevice();
uint samplesPerSec = (this is ModPlayer) ? 44100 : 8000u; // sfx uses 8kHz, mod uses 44.1kHz
if (device == -1 || !WinMMNatives.OpenPlaybackDevice(out handle, (uint)device, samplesPerSec, 1))
{
throw new ExceptionAudio("Unable to create wave output.");
}
Available = true;
}
public MidiPlayer(DataSource dataSource)
{
this.dataSource = dataSource;
var device = FindBestDevice();
if (device == -1 || !WinMMNatives.OpenPlaybackDevice(out handle, (uint)device))
{
throw new ExceptionAudio("Unable to create midi output.");
}
Available = true;
Init();
}
public void SetVolume(float volume)
{
if (volume < 0.0f)
{
volume = 0.0f;
}
if (volume > 1.0f)
{
volume = 1.0f;
}
uint value = (uint)Misc.Round(volume * 0xffff);
value |= (value << 16); // copy left volume to right volume
WinMMNatives.SetVolume(handle, value);
}
protected virtual void Dispose(bool disposing)
{
if (!disposed)
{
if (handle != null && handle != IntPtr.Zero)
{
if (wave != null)
{
wave.Close();
wave = null;
}
WinMMNatives.ResetPlaybackDevice(handle);
WinMMNatives.ClosePlaybackDevice(handle);
handle = IntPtr.Zero;
}
disposed = true;
}
}
int FindBestDevice()
{
int count = WinMMNatives.GetPlaybackDeviceCount();
if (count == 0)
{
return(-1);
}
for (uint i = 0; i < count; ++i)
{
var caps = WinMMNatives.GetPlaybackDeviceCapabilities(i);
if (caps == null)
{
continue;
}
const int WAVE_FORMAT_4M16 = 0x400;
const int WAVECAPS_VOLUME = 0x4;
// we need support for 44.1kHz 16 bit mono
if ((caps.Value.Formats & WAVE_FORMAT_4M16) == 0)
{
continue;
}
// we need volume support
if ((caps.Value.Support & WAVECAPS_VOLUME) != 0)
{
return((int)i);
}
}
return(-1);
}
