private void buttonStart_Click(object sender, System.EventArgs e)
{
asio = new BassAsioHandler(true, 0, 0, 2, BASSASIOFormat.BASS_ASIO_FORMAT_16BIT, 44100);
// set a mirror on output channel 0 (for monitoring)
asio.SetMirror(0);
this.checkBoxMonitor.Checked = true;
// start ASIO (actually starts recording/playing)
BASS_ASIO_INFO info = BassAsio.BASS_ASIO_GetInfo();
bool ok = asio.Start(info.bufmax);
if (!ok)
{
MessageBox.Show("Could not start ASIO : " + BassAsio.BASS_ASIO_ErrorGetCode().ToString());
}
// now setup the encoder on the provided asio bass channel (which will be created by the above SetFullDuplex call)
if (radioButtonLAME.Checked)
{
lame = new EncoderLAME(asio.InputChannel);
lame.InputFile = null; //STDIN
lame.OutputFile = "test.mp3";
lame.LAME_Bitrate = (int)EncoderLAME.BITRATE.kbps_128;
lame.LAME_Mode = EncoderLAME.LAMEMode.Default;
lame.LAME_Quality = EncoderLAME.LAMEQuality.Quality;
lame.Start(null, IntPtr.Zero, false);
enc = lame;
}
else if (radioButtonOGG.Checked)
{
ogg = new EncoderOGG(asio.InputChannel);
ogg.InputFile = null; //STDIN
ogg.OutputFile = "test.ogg";
ogg.OGG_UseQualityMode = true;
ogg.OGG_Quality = 4.0f;
ogg.Start(null, IntPtr.Zero, false);
enc = ogg;
}
else if (radioButtonAAC.Checked)
{
aac = new EncoderNeroAAC(asio.InputChannel);
aac.InputFile = null; //STDIN
aac.OutputFile = "test.mp4";
aac.NERO_Bitrate = 64;
aac.Start(null, IntPtr.Zero, false);
enc = aac;
}
else if (radioButtonWAVE.Checked)
{
// writing 16-bit wave file here (even if we use a float asio channel)
wav = new EncoderWAV(asio.InputChannel);
wav.InputFile = null; // STDIN
wav.OutputFile = "test.wav";
wav.Start(null, IntPtr.Zero, false);
enc = wav;
}
this.buttonStart.Enabled = false;
// display the level
plm = new DSP_PeakLevelMeter(asio.InputChannel, 0);
plm.UpdateTime = 0.1f; // 100ms
plm.Notification += new EventHandler(plm_Notification);
}
public void Evaluate(int SpreadMax)
{
try
{
#region Channel and device
if (this.FPinInChannels.PinIsChanged || this.FPinInDevice.PinIsChanged)
{
double dbldevice;
this.FPinInDevice.GetValue(0, out dbldevice);
this.FDeviceIndex = Convert.ToInt32(dbldevice);
if (this.FDeviceIndex != -1)
{
BassAsio.BASS_ASIO_Init(this.FDeviceIndex);
BassAsio.BASS_ASIO_SetDevice(this.FDeviceIndex);
}
this.FOutputHandled.Clear();
BassAsio.BASS_ASIO_Stop();
BassAsio.BASS_ASIO_ChannelReset(false, -1, BASSASIOReset.BASS_ASIO_RESET_PAUSE | BASSASIOReset.BASS_ASIO_RESET_JOIN);
if (this.FDeviceIndex != -1 && this.FPinInChannels.IsConnected)
{
int asiooutindex = 0;
double dhandle;
for (int i = 0; i < this.FPinInChannels.SliceCount; i++)
{
this.FPinInChannels.GetValue(i, out dhandle);
int handle = Convert.ToInt32(dhandle);
if (handle != 0 && handle != -1)
{
ChannelInfo channel = this.manager.GetChannel(handle);
if (channel.BassHandle == null)
{
//Initialize channel (in nosound)
channel.Initialize(0);
}
//Check if the channel has its own handler
if (!BassAsioUtils.InputChannels.ContainsKey(handle))
{
BASS_CHANNELINFO info = Bass.BASS_ChannelGetInfo(channel.BassHandle.Value);
BassAsio.BASS_ASIO_ChannelEnable(false, asiooutindex, myAsioProc, new IntPtr(handle));
if (info.chans == 1)
{
//No need to join on mono channels
asiooutindex++;
}
else
{
for (int chan = 1; chan < info.chans; chan++)
{
bool join = BassAsio.BASS_ASIO_ChannelJoin(false, asiooutindex + chan, asiooutindex);
if (!join)
{
this.FHost.Log(TLogType.Error, "Error: join failed");
this.FHost.Log(TLogType.Error, BassAsio.BASS_ASIO_ErrorGetCode().ToString());
}
}
BassAsio.BASS_ASIO_ChannelSetFormat(false, asiooutindex, BASSASIOFormat.BASS_ASIO_FORMAT_FLOAT);
BassAsio.BASS_ASIO_ChannelSetRate(false, asiooutindex, (double)info.freq);
BassAsio.BASS_ASIO_SetRate((double)info.freq);
asiooutindex += info.chans;
}
}
else
{
BassAsioHandler handler = BassAsioUtils.InputChannels[handle].Handler;
handler.SetMirror(asiooutindex);
asiooutindex += 2;
this.FOutputHandled.Add(asiooutindex);
this.FOutputHandled.Add(asiooutindex + 1);
}
}
}
bool start = BassAsio.BASS_ASIO_Start(0);
if (!start)
{
this.FPinErrorCode.SetString(0, BassAsio.BASS_ASIO_ErrorGetCode().ToString());
this.FHost.Log(TLogType.Error, "Error: Start failed");
this.FHost.Log(TLogType.Error, BassAsio.BASS_ASIO_ErrorGetCode().ToString());
}
else
{
this.FPinErrorCode.SetString(0, "OK");
}
UpdateChannels();
}
}
if (FControlPanel.PinIsChanged)
{
double v;
FControlPanel.GetValue(0, out v);
if (v > 0.5)
{
BassAsio.BASS_ASIO_ControlPanel();
}
}
#endregion
#region Volume
if (this.FPinInVolumeOutput.PinIsChanged)
{
if (this.FDeviceIndex != -1 || this.FPinInVolumeOutput.SliceCount > 0)
{
BASS_ASIO_INFO deviceinfo = BassAsio.BASS_ASIO_GetInfo();
int current = 0;
for (int i = 0; i < deviceinfo.outputs; i++)
{
double vol;
this.FPinInVolumeOutput.GetValue(current, out vol);
BassAsio.BASS_ASIO_ChannelSetVolume(false, i, (float)vol);
//Bin for the channels
current++;
if (current == this.FPinInVolumeOutput.SliceCount)
{
current = 0;
}
}
}
}
#endregion
#region Is Active Pin
if (this.FPinInActive.PinIsChanged)
{
UpdateChannels();
}
#endregion
}
catch (Exception ex)
{
this.FHost.Log(TLogType.Error, ex.Message);
this.FHost.Log(TLogType.Error, ex.StackTrace);
}
}
