private void button2_Click(object sender, System.EventArgs e) { // first reset the FX tempo... trackBarPitch.Value = 0; Pitching = Pitch((float)trackBarPitch.Value); // now wind the frequency down... int a = (int)BassAsio.BASS_ASIO_ChannelGetRate(false, 0); if (a < _originSampleRate) { BassAsio.BASS_ASIO_ChannelSetRate(false, 0, this._originSampleRate); this.button2.Text = _originSampleRate.ToString("0"); } else { int b = (a - 1000) / 25; for (int r = a; r >= 9000; r -= b) { BassAsio.BASS_ASIO_ChannelSetRate(false, 0, r); this.button2.Text = r.ToString(); Thread.Sleep(25); } } }
private void buttonPlay_Click(object sender, System.EventArgs e) { BassAsio.BASS_ASIO_Stop(); BassAsio.BASS_ASIO_ChannelReset(false, -1, BASSASIOReset.BASS_ASIO_RESET_PAUSE | BASSASIOReset.BASS_ASIO_RESET_JOIN); Bass.BASS_StreamFree(_streamFX); if (_fileName != String.Empty) { // create the decoding stream _stream = Bass.BASS_StreamCreateFile(_fileName, 0, 0, BASSFlag.BASS_STREAM_DECODE | BASSFlag.BASS_SAMPLE_FLOAT); if (_stream != 0) { // now we create a Tempo channel (again a decoding one)...the actual playing channel _streamFX = BassFx.BASS_FX_TempoCreate(_stream, BASSFlag.BASS_STREAM_DECODE | BASSFlag.BASS_FX_FREESOURCE | BASSFlag.BASS_SAMPLE_FLOAT); if (_streamFX == 0) { MessageBox.Show(this, "Can't create FX stream!", Enum.GetName(typeof(BASSError), Bass.BASS_ErrorGetCode())); return; } // now setup ASIO myAsioProc = new ASIOPROC(AsioCallback); // get the stream channel info BASS_CHANNELINFO info = new BASS_CHANNELINFO(); Bass.BASS_ChannelGetInfo(_streamFX, info); _originSampleRate = (float)info.freq; this.button2.Text = _originSampleRate.ToString("0"); // enable 1st output channel...(0=first) BassAsio.BASS_ASIO_ChannelEnable(false, 0, myAsioProc, new IntPtr(_streamFX)); // and join the next channels to it for (int a = 1; a < info.chans; a++) { BassAsio.BASS_ASIO_ChannelJoin(false, a, 0); } // since we joined the channels, the next commands will applay to all channles joined // so setting the values to the first channels changes them all automatically // set the source format (float, as the decoding channel is) BassAsio.BASS_ASIO_ChannelSetFormat(false, 0, BASSASIOFormat.BASS_ASIO_FORMAT_FLOAT); // set the source rate BassAsio.BASS_ASIO_ChannelSetRate(false, 0, (double)info.freq); // try to set the device rate too (saves resampling) BassAsio.BASS_ASIO_SetRate((double)info.freq); // and start playing it... // start output using default buffer/latency if (!BassAsio.BASS_ASIO_Start(0)) { MessageBox.Show(this, "Can't start ASIO output", Enum.GetName(typeof(BASSError), BassAsio.BASS_ASIO_ErrorGetCode())); } else { this.labelStatus.Text = "playing"; this.timerUpdate.Start(); } } } }
private void setNewFreq() { if (newFrequency > 0 && newFrequency != frequency) { frequency = newFrequency; if (!BassAsio.BASS_ASIO_SetRate((double)frequency) || !BassAsio.BASS_ASIO_ChannelSetRate(false, 0, (double)frequency)) { setupChannel(frequency, twentyFourBit ? BASSASIOFormat.BASS_ASIO_FORMAT_24BIT : BASSASIOFormat.BASS_ASIO_FORMAT_16BIT); } newFrequency = -1; } }
private bool setupChannel(int Frequency, BASSASIOFormat Format) { proc = new ASIOPROC(AsioCallback); BassAsio.BASS_ASIO_Stop(); if (!BassAsio.BASS_ASIO_ChannelReset(false, -1, BASSASIOReset.BASS_ASIO_RESET_PAUSE | BASSASIOReset.BASS_ASIO_RESET_JOIN)) { return(false); } if (!BassAsio.BASS_ASIO_ChannelEnable(false, 0, proc, IntPtr.Zero)) { return(false); } if (!BassAsio.BASS_ASIO_ChannelJoin(false, 1, 0)) { return(false); } if (!BassAsio.BASS_ASIO_ChannelSetFormat(false, 0, Format)) { return(false); } BassAsio.BASS_ASIO_SetRate((double)Frequency); if (!BassAsio.BASS_ASIO_ChannelSetRate(false, 0, (double)Frequency)) { return(false); } return(BassAsio.BASS_ASIO_Start(0)); }
/// <summary> /// Create a mixer using the stream attributes /// </summary> /// <param name="stream"></param> /// <returns></returns> public bool CreateMixer(MusicStream stream) { Log.Debug("BASS: ---------------------------------------------"); Log.Debug("BASS: Creating BASS mixer stream"); bool result = false; BASSFlag mixerFlags = BASSFlag.BASS_MIXER_NONSTOP | BASSFlag.BASS_SAMPLE_FLOAT | BASSFlag.BASS_MIXER_NORAMPIN; if (Config.MusicPlayer == AudioPlayer.Asio || Config.MusicPlayer == AudioPlayer.WasApi) { mixerFlags |= BASSFlag.BASS_STREAM_DECODE; } int outputChannels = _bassPlayer.DeviceChannels; _mixingMatrix = null; // See, if we need Upmixing if (outputChannels > stream.ChannelInfo.chans) { Log.Debug("BASS: Found more output channels ({0}) than input channels ({1}). Check for upmixing.", outputChannels, stream.ChannelInfo.chans); _mixingMatrix = CreateMixingMatrix(stream.ChannelInfo.chans); if (_mixingMatrix != null) { outputChannels = Math.Min(_mixingMatrix.GetLength(0), outputChannels); _upmixing = true; } else { outputChannels = stream.ChannelInfo.chans; } } else if (outputChannels < stream.ChannelInfo.chans) { // Downmix to Stereo Log.Debug("BASS: Found more input channels ({0}) than output channels ({1}). Downmix.", stream.ChannelInfo.chans, outputChannels); outputChannels = Math.Min(outputChannels, 2); } Log.Debug("BASS: Creating {0} channel mixer with sample rate of {1}", outputChannels, stream.ChannelInfo.freq); _mixer = BassMix.BASS_Mixer_StreamCreate(stream.ChannelInfo.freq, outputChannels, mixerFlags); if (_mixer == 0) { Log.Error("BASS: Unable to create Mixer. Reason: {0}.", Enum.GetName(typeof(BASSError), Bass.BASS_ErrorGetCode())); return(false); } switch (Config.MusicPlayer) { case AudioPlayer.Bass: case AudioPlayer.DShow: if (!Bass.BASS_ChannelPlay(_mixer, false)) { Log.Error("BASS: Unable to start Mixer. Reason: {0}.", Enum.GetName(typeof(BASSError), Bass.BASS_ErrorGetCode())); return(false); } result = true; break; case AudioPlayer.Asio: Log.Info("BASS: Initialising ASIO device"); if (BassAsio.BASS_ASIO_IsStarted() && !BassAsio.BASS_ASIO_Stop()) { Log.Error("BASS: Error stopping Asio Device: {0}", BassAsio.BASS_ASIO_ErrorGetCode()); } // Disable and Unjoin all the channels if (!BassAsio.BASS_ASIO_ChannelReset(false, -1, BASSASIOReset.BASS_ASIO_RESET_ENABLE)) { Log.Error("BASS: Error disabling Asio Channels: {0}", BassAsio.BASS_ASIO_ErrorGetCode()); } if (!BassAsio.BASS_ASIO_ChannelReset(false, -1, BASSASIOReset.BASS_ASIO_RESET_JOIN)) { Log.Error("BASS: Error unjoining Asio Channels: {0}", BassAsio.BASS_ASIO_ErrorGetCode()); } _asioProc = new ASIOPROC(AsioCallback); BassAsio.BASS_ASIO_ChannelSetVolume(false, -1, (float)Config.StreamVolume / 100f); // enable 1st output channel...(0=first) Log.Debug("BASS: Joining Asio Channel #{0}", "0"); BassAsio.BASS_ASIO_ChannelEnable(false, 0, _asioProc, new IntPtr(_mixer)); // and join the next channels to it int numChannels = Math.Max(stream.ChannelInfo.chans, outputChannels); for (int i = 1; i < numChannels; i++) { Log.Debug("BASS: Joining Asio Channel #{0}", i); BassAsio.BASS_ASIO_ChannelJoin(false, i, 0); } // since we joined the channels, the next commands will apply to all channles joined // so setting the values to the first channels changes them all automatically // set the source format (float, as the decoding channel is) if (!BassAsio.BASS_ASIO_ChannelSetFormat(false, 0, BASSASIOFormat.BASS_ASIO_FORMAT_FLOAT)) { Log.Error("BASS: Error setting Asio Sample Format: {0}", BassAsio.BASS_ASIO_ErrorGetCode()); } // set the source rate Log.Debug("BASS: Set sample rate to {0}", stream.ChannelInfo.freq); if (!BassAsio.BASS_ASIO_ChannelSetRate(false, 0, (double)stream.ChannelInfo.freq)) { Log.Error("BASS: Error setting Asio Channel Samplerate: {0}", BassAsio.BASS_ASIO_ErrorGetCode()); } // try to set the device rate too (saves resampling) if (!BassAsio.BASS_ASIO_SetRate((double)stream.ChannelInfo.freq)) { Log.Error("BASS: Error setting Asio Samplerate: {0}", BassAsio.BASS_ASIO_ErrorGetCode()); } // and start playing it...start output using default buffer/latency if (!BassAsio.BASS_ASIO_Start(0)) { Log.Error("BASS: Error starting Asio playback: {0}", BassAsio.BASS_ASIO_ErrorGetCode()); } Log.Info("BASS: Finished initialising ASIO device"); result = true; break; case AudioPlayer.WasApi: Log.Info("BASS: Initialising WASAPI device"); try { BassWasapi.BASS_WASAPI_Free(); Log.Debug("BASS: Freed WASAPI device"); } catch (Exception ex) { Log.Error("BASS: Exception freeing WASAPI. {0} {1}", ex.Message, ex.StackTrace); } BASSWASAPIInit initFlags = BASSWASAPIInit.BASS_WASAPI_AUTOFORMAT; _wasapiProc = new WASAPIPROC(WasApiCallback); bool wasApiExclusiveSupported = true; // Check if we have an uneven number of channels var chkChannels = outputChannels % 2; if (chkChannels == 1) { Log.Warn("BASS: Found uneven number of channels {0}. increase output channels.", outputChannels); outputChannels++; // increase the number of output channels wasApiExclusiveSupported = false; // And indicate that we need a new mixer } // Handle the special cases of 3.0, 4.0 and 5.0 files being played on a 5.1 or 6.1 device if (outputChannels == 3) // a 3.0 file { Log.Info("BASS: Found a 3 channel file. Set upmixing with LFE, LR, RR set to silent"); _mixingMatrix = CreateThreeDotZeroUpMixMatrix(); outputChannels = _bassPlayer.DeviceChannels; // WASAPI device should be initialised with all channels active wasApiExclusiveSupported = false; // And indicate that we need a new mixer } else if (outputChannels == 4) // a 4.0 file { Log.Info("BASS: Found a 4 channel file. Set upmixing with Center and LFE set to silent"); _mixingMatrix = CreateFourDotZeroUpMixMatrix(); outputChannels = _bassPlayer.DeviceChannels; // WASAPI device should be initialised with all channels active wasApiExclusiveSupported = false; // And indicate that we need a new mixer } else if (outputChannels == 5) // a 5.0 file { Log.Info("BASS: Found a 5 channel file. Set upmixing with LFE set to silent"); _mixingMatrix = CreateFiveDotZeroUpMixMatrix(); outputChannels = _bassPlayer.DeviceChannels; // WASAPI device should be initialised with all channels active wasApiExclusiveSupported = false; // And indicate that we need a new mixer } // If Exclusive mode is used, check, if that would be supported, otherwise init in shared mode if (Config.WasApiExclusiveMode) { initFlags |= BASSWASAPIInit.BASS_WASAPI_EXCLUSIVE; _wasapiShared = false; _wasapiMixedChans = 0; _wasapiMixedFreq = 0; BASSWASAPIFormat wasapiFormat = BassWasapi.BASS_WASAPI_CheckFormat(_bassPlayer.DeviceNumber, stream.ChannelInfo.freq, outputChannels, BASSWASAPIInit.BASS_WASAPI_EXCLUSIVE); if (wasapiFormat == BASSWASAPIFormat.BASS_WASAPI_FORMAT_UNKNOWN) { Log.Warn("BASS: WASAPI exclusive mode not directly supported. Let BASS WASAPI choose better mode."); wasApiExclusiveSupported = false; } } else { Log.Debug("BASS: Init WASAPI shared mode with Event driven system enabled."); initFlags |= BASSWASAPIInit.BASS_WASAPI_SHARED | BASSWASAPIInit.BASS_WASAPI_EVENT; // In case of WASAPI Shared mode we need to setup the mixer to use the same sample rate as set in // the Windows Mixer, otherwise we wioll have increased playback speed BASS_WASAPI_DEVICEINFO devInfo = BassWasapi.BASS_WASAPI_GetDeviceInfo(_bassPlayer.DeviceNumber); Log.Debug("BASS: Creating {0} channel mixer for frequency {1}", devInfo.mixchans, devInfo.mixfreq); _mixer = BassMix.BASS_Mixer_StreamCreate(devInfo.mixfreq, devInfo.mixchans, mixerFlags); if (_mixer == 0) { Log.Error("BASS: Unable to create Mixer. Reason: {0}.", Enum.GetName(typeof(BASSError), Bass.BASS_ErrorGetCode())); return(false); } _wasapiShared = true; } Log.Debug("BASS: Try to init WASAPI with a Frequency of {0} and {1} channels", stream.ChannelInfo.freq, outputChannels); if (BassWasapi.BASS_WASAPI_Init(_bassPlayer.DeviceNumber, stream.ChannelInfo.freq, outputChannels, initFlags | BASSWASAPIInit.BASS_WASAPI_BUFFER, Convert.ToSingle(Config.BufferingMs / 1000.0), 0f, _wasapiProc, IntPtr.Zero)) { BASS_WASAPI_INFO wasapiInfo = BassWasapi.BASS_WASAPI_GetInfo(); Log.Debug("BASS: ---------------------------------------------"); Log.Debug("BASS: Buffer Length: {0}", wasapiInfo.buflen); Log.Debug("BASS: Channels: {0}", wasapiInfo.chans); Log.Debug("BASS: Frequency: {0}", wasapiInfo.freq); Log.Debug("BASS: Format: {0}", wasapiInfo.format.ToString()); Log.Debug("BASS: InitFlags: {0}", wasapiInfo.initflags.ToString()); Log.Debug("BASS: Exclusive: {0}", wasapiInfo.IsExclusive.ToString()); Log.Debug("BASS: ---------------------------------------------"); Log.Info("BASS: WASAPI Device successfully initialised"); // Now we need to check, if WASAPI decided to switch to a different mode if (Config.WasApiExclusiveMode && !wasApiExclusiveSupported) { // Recreate Mixer with new value Log.Debug("BASS: Creating new {0} channel mixer for frequency {1}", wasapiInfo.chans, wasapiInfo.freq); _mixer = BassMix.BASS_Mixer_StreamCreate(wasapiInfo.freq, wasapiInfo.chans, mixerFlags); if (_mixer == 0) { Log.Error("BASS: Unable to create Mixer. Reason: {0}.", Enum.GetName(typeof(BASSError), Bass.BASS_ErrorGetCode())); return(false); } } BassWasapi.BASS_WASAPI_SetVolume(BASSWASAPIVolume.BASS_WASAPI_CURVE_DB, (float)Config.StreamVolume / 100f); BassWasapi.BASS_WASAPI_Start(); result = true; } else { Log.Error("BASS: Couldn't init WASAPI device. Error: {0}", Enum.GetName(typeof(BASSError), Bass.BASS_ErrorGetCode())); } break; } if (result) { Log.Debug("BASS: Successfully created BASS Mixer stream"); } return(result); }
public static void SetDevice(int inputChannel, int outputChannel) { // Bass.BASS_SetConfig(BASSConfig.BASS_CONFIG_UPDATEPERIOD, 0); // Bass.BASS_SetConfig(BASSConfig.BASS_CONFIG_FLOATDSP, true); // BassAsio.BASS_ASIO_Init(0, BASSASIOInit.BASS_ASIO_DEFAULT); // Bass.BASS_Init(0, (int)samplerate, 0, IntPtr.Zero); // m_asioInputHandlers = new BassAsioHandler(); // m_asioOutputHandlers = new BassAsioHandler(); devinfo = new BASS_ASIO_DEVICEINFO(); m_asioInputChannels = new List <object>(); m_asioOutputChannels = new List <object>(); thisControl = PlayerControl.MainFormControl; m_inputChannel = inputChannel; m_outputChannel = outputChannel; /* for (int n = 0; BassAsio.BASS_ASIO_GetDeviceInfo(n, devinfo); n++) * { * if (devinfo.name.Contains("ASIO4ALL")) * { * if (!BassAsio.BASS_ASIO_IsStarted()) * BassAsio.BASS_ASIO_Init(n, BASSASIOInit.BASS_ASIO_DEFAULT); * * samplerate = BassAsio.BASS_ASIO_GetRate(); * m_asiodevice = n; * * BASS_ASIO_INFO asioinfo = BassAsio.BASS_ASIO_GetInfo(); * if (asioinfo != null) * { * // assuming stereo input * for (int i = 0; i < asioinfo.inputs; i += 2) * { * BASS_ASIO_CHANNELINFO chanInfo = BassAsio.BASS_ASIO_ChannelGetInfo(true, i); * if (chanInfo != null) * GetAsioInputChannels.Add(chanInfo); * * if (chanInfo.name.Contains("VB-Audio Point 1")) * GetVlcAsioInputChannel = i; * } * * for (int o = 0; o < asioinfo.outputs; o += 2) * { * BASS_ASIO_CHANNELINFO chanInfo = BassAsio.BASS_ASIO_ChannelGetInfo(false, o); * if (chanInfo != null) * GetAsioOutputChannels.Add(chanInfo); * } * } * } * * } * * CreateInputs(m_inputChannel); * CreateOutput(m_outputChannel); * Connect(); * int ggg = 0;*/ for (int n = 0; BassAsio.BASS_ASIO_GetDeviceInfo(n, devinfo); n++) { if (devinfo.name.Contains("ASIO4ALL")) { if (!BassAsio.BASS_ASIO_IsStarted()) { BassAsio.BASS_ASIO_Init(n, BASSASIOInit.BASS_ASIO_THREAD); } samplerate = BassAsio.BASS_ASIO_GetRate(); m_asiodevice = n; BASS_ASIO_INFO asioinfo = BassAsio.BASS_ASIO_GetInfo(); if (asioinfo != null) { // assuming stereo input for (int i = 0; i < asioinfo.inputs; i += 2) { BASS_ASIO_CHANNELINFO chanInfo = BassAsio.BASS_ASIO_ChannelGetInfo(true, i); if (chanInfo != null) { GetAsioInputChannels.Add(chanInfo); } if (chanInfo.name.Contains("VB-Audio Point 1")) { VlcAsioInputChannel = i; } } for (int o = 0; o < asioinfo.outputs; o += 2) { BASS_ASIO_CHANNELINFO chanInfo = BassAsio.BASS_ASIO_ChannelGetInfo(false, o); if (chanInfo != null) { AsioOutputChannels.Add(chanInfo); } } } BassAsio.BASS_ASIO_ChannelSetVolume(true, m_inputChannel, PlayerControl.MicVolumeScroll.Value * 0.01f); BassAsio.BASS_ASIO_ChannelSetVolume(true, m_inputChannel + 1, PlayerControl.MicVolumeScroll.Value * 0.01f); _asioProc = new ASIOPROC(AsioCallback); } } if (!m_bassinit) { Bass.BASS_SetConfig(BASSConfig.BASS_CONFIG_UPDATEPERIOD, 0); Bass.BASS_SetConfig(BASSConfig.BASS_CONFIG_FLOATDSP, true); Bass.BASS_Init(0, 48000, 0, IntPtr.Zero); Player.Mixer = MixerStreamCreate((int)samplerate); if (Player.Mixer == 0) { var error = Bass.BASS_ErrorGetCode(); MessageBox.Show(error.ToString(), "Could not create mixer!"); Bass.BASS_Free(); return; } m_mixerChannel = Player.Mixer; m_streamInputMic = Bass.BASS_StreamCreatePush((int)samplerate, 2, BASSFlag.BASS_STREAM_DECODE | BASSFlag.BASS_SAMPLE_FLOAT, IntPtr.Zero); StreamInputVlc = Bass.BASS_StreamCreatePush((int)samplerate, 2, BASSFlag.BASS_STREAM_DECODE | BASSFlag.BASS_SAMPLE_FLOAT, IntPtr.Zero); //m_streamInputMic = Bass.BASS_StreamCreateFile(f, 0L, 0L, BASSFlag.BASS_STREAM_DECODE | BASSFlag.BASS_SAMPLE_FLOAT | BASSFlag.BASS_SAMPLE_LOOP); //m_stream[0] = BassMix.BASS_Split_StreamCreate(m_streamInputMic, BASSFlag.BASS_SAMPLE_FLOAT | BASSFlag.BASS_STREAM_DECODE, null);//_instream; //m_stream[1] = BassMix.BASS_Split_StreamCreate(m_streamInputMic, BASSFlag.BASS_SAMPLE_FLOAT | BASSFlag.BASS_STREAM_DECODE, null);// _instream; //m_stream[2] = BassMix.BASS_Split_StreamCreate(m_streamInputMic, BASSFlag.BASS_SAMPLE_FLOAT | BASSFlag.BASS_STREAM_DECODE, null);//_instream; //m_stream[3] = BassMix.BASS_Split_StreamCreate(m_streamInputMic, BASSFlag.BASS_SAMPLE_FLOAT | BASSFlag.BASS_STREAM_DECODE, null);//_instream; //Group 1 VST Effects ============================================================ Channel1Fx.SetEffects(m_streamInputMic); //Group 2 VST Effects ============================================================ // Channel2Fx.SetEffects(m_stream[1]); //Group 3 VST Effects ============================================================ // Channel3Fx.SetEffects(m_stream[2]); //Group 4 VST Effects ============================================================ // Channel4Fx.SetEffects(m_stream[3]); BassMix.BASS_Mixer_StreamAddChannel(m_mixerChannel, StreamInputVlc, BASSFlag.BASS_MIXER_DOWNMIX | BASSFlag.BASS_STREAM_AUTOFREE); BassMix.BASS_Mixer_StreamAddChannel(m_mixerChannel, m_streamInputMic, BASSFlag.BASS_MIXER_DOWNMIX | BASSFlag.BASS_STREAM_AUTOFREE); // BassMix.BASS_Mixer_StreamAddChannel(m_mixerChannel, m_stream[1], BASSFlag.BASS_MIXER_DOWNMIX | BASSFlag.BASS_STREAM_AUTOFREE); //BassMix.BASS_Mixer_StreamAddChannel(m_mixerChannel, m_stream[2], BASSFlag.BASS_MIXER_DOWNMIX | BASSFlag.BASS_STREAM_AUTOFREE); //BassMix.BASS_Mixer_StreamAddChannel(m_mixerChannel, m_stream[3], BASSFlag.BASS_MIXER_DOWNMIX | BASSFlag.BASS_STREAM_AUTOFREE); BASS_CHANNELINFO info = Bass.BASS_ChannelGetInfo(m_mixerChannel); m_bassinit = true; } //BassAsio.BASS_ASIO_ControlPanel(); BassAsio.BASS_ASIO_ChannelEnable(true, VlcAsioInputChannel, _asioProc, new IntPtr(StreamInputVlc)); BassAsio.BASS_ASIO_ChannelJoin(true, VlcAsioInputChannel + 1, VlcAsioInputChannel); BassAsio.BASS_ASIO_ChannelSetFormat(true, VlcAsioInputChannel, BASSASIOFormat.BASS_ASIO_FORMAT_FLOAT); BassAsio.BASS_ASIO_ChannelSetRate(true, VlcAsioInputChannel, samplerate); BassAsio.BASS_ASIO_SetRate(samplerate); BassAsio.BASS_ASIO_ChannelEnable(true, m_inputChannel, _asioProc, new IntPtr(m_streamInputMic)); BassAsio.BASS_ASIO_ChannelJoin(true, m_inputChannel + 1, m_inputChannel); BassAsio.BASS_ASIO_ChannelSetFormat(true, m_inputChannel, BASSASIOFormat.BASS_ASIO_FORMAT_FLOAT); BassAsio.BASS_ASIO_ChannelSetRate(true, m_inputChannel, samplerate); BassAsio.BASS_ASIO_SetRate(samplerate); BassAsio.BASS_ASIO_ChannelEnable(false, m_outputChannel, _asioProc, new IntPtr(m_mixerChannel)); BassAsio.BASS_ASIO_ChannelJoin(false, m_outputChannel + 1, m_outputChannel); BassAsio.BASS_ASIO_ChannelSetFormat(false, m_outputChannel, BASSASIOFormat.BASS_ASIO_FORMAT_FLOAT); BassAsio.BASS_ASIO_ChannelSetRate(false, m_outputChannel, samplerate); BassAsio.BASS_ASIO_SetRate(samplerate); }
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); } }