private void SimpleAsio_Load(object sender, System.EventArgs e) { //BassNet.Registration("your email", "your regkey"); // get the Asio devices and init them this.comboBoxAsioOutputDevice.Items.AddRange(BassAsio.BASS_ASIO_GetDeviceInfos()); for (int i = 0; i < this.comboBoxAsioOutputDevice.Items.Count; i++) { if (!BassAsio.BASS_ASIO_Init(i, BASSASIOInit.BASS_ASIO_DEFAULT)) { this.comboBoxAsioOutputDevice.Items[i] = BassAsio.BASS_ASIO_ErrorGetCode(); } } this.comboBoxAsioOutputDevice.SelectedIndex = 0; this.comboBoxAsioInputDevice.Items.AddRange(BassAsio.BASS_ASIO_GetDeviceInfos()); this.comboBoxAsioInputDevice.SelectedIndex = this.comboBoxAsioOutputDevice.SelectedIndex; // get the bass devices, init them and set the default one this.comboBoxBassDevice.Items.AddRange(Bass.BASS_GetDeviceInfos()); int n = 0; foreach (BASS_DEVICEINFO info in this.comboBoxBassDevice.Items) { Bass.BASS_Init(n, 44100, BASSInit.BASS_DEVICE_DEFAULT, this.Handle); if (info.IsDefault) { this.comboBoxBassDevice.SelectedItem = info; } n++; } }
private bool setup(int Frequency) { frequency = Frequency; callback = callback24; twentyFourBit = true; if (setupChannel(Frequency, BASSASIOFormat.BASS_ASIO_FORMAT_24BIT) && BassAsio.BASS_ASIO_ChannelGetFormat(false, 0) == BASSASIOFormat.BASS_ASIO_FORMAT_24BIT) { Controller.ShowMessage("24-bit ASIO"); } else { System.Diagnostics.Debug.WriteLine(BassAsio.BASS_ASIO_ErrorGetCode()); callback = callback16; twentyFourBit = false; if (setupChannel(Frequency, BASSASIOFormat.BASS_ASIO_FORMAT_16BIT)) { Controller.ShowMessage("16-bit ASIO"); } else { System.Diagnostics.Debug.WriteLine(BassAsio.BASS_ASIO_ErrorGetCode()); return(false); } } return(true); }
public OutputASIO(string DeviceName, int Frequency, GetSampleDelegate Callback24, GetSampleDelegate Callback16, Player Player) : base(DeviceName, Player) { needsUnload = true; playing = false; callback16 = Callback16; callback24 = Callback24; deviceNum = getDeviceNum(DeviceName); if (initializedDevice >= 0) { BassAsio.BASS_ASIO_Free(); initializedDevice = -1; } if (deviceNum < 0 || !BassAsio.BASS_ASIO_Init(deviceNum)) { System.Diagnostics.Debug.WriteLine(BassAsio.BASS_ASIO_ErrorGetCode()); return; } initializedDevice = deviceNum; if (!setup(Frequency)) { return; } playing = true; }
private void DeviceCP_Click(object sender, EventArgs e) { Boolean StatusCP = BassAsio.BASS_ASIO_ControlPanel(); if (!StatusCP && BassAsio.BASS_ASIO_ErrorGetCode() != BASSError.BASS_OK) { MessageBox.Show( String.Format( "An error has occured while showing the control panel for this device.\nThe button will be disabled.\n\nError: {0}", BassAsio.BASS_ASIO_ErrorGetCode()), "ASIO control panel - ERROR", MessageBoxButtons.OK, MessageBoxIcon.Error); DeviceCP.Enabled = false; return; } GetASIODeviceInfo(); }
public void Asio_Setup(int dev) { if (!(dev == -1)) { BassAsio.BASS_ASIO_Free(); //przygotowanie BASS_Asio - zwolnienie istniejącego i Bass.BASS_Free(); BassAsio.BASS_ASIO_SetDevice(dev); //wybór urządzenia if (!BassAsio.BASS_ASIO_Init(dev, 0)) //inicjacja urządzenia + przechwycenie wyjątku { BASSError blad = BassAsio.BASS_ASIO_ErrorGetCode(); MessageBox.Show("błąd inicjalizacji: " + blad.ToString()); } else { Bass.BASS_Init(-1, 48000, BASSInit.BASS_DEVICE_DEFAULT, IntPtr.Zero); int strumien = Bass.BASS_StreamCreateFile(_hGCFile.AddrOfPinnedObject(), 0L, length, BASSFlag.BASS_STREAM_DECODE | BASSFlag.BASS_SAMPLE_FLOAT); _myAsioProc = new Un4seen.BassAsio.ASIOPROC(AsioCallback); BassAsio.BASS_ASIO_ChannelEnable(false, 0, _myAsioProc, new IntPtr(strumien)); int num_ch = 0; if (binaural) { first_ch = Convert.ToInt16(textBox1.Text); num_ch = 2; } else { num_ch = BitConverter.ToUInt16(audio_buffer, 22); first_ch = 0; } for (int i = first_ch; i < num_ch + first_ch; i++) { BassAsio.BASS_ASIO_ChannelSetFormat(false, i, BASSASIOFormat.BASS_ASIO_FORMAT_FLOAT); } for (int i = first_ch + 1; i < num_ch + first_ch; i++) { BassAsio.BASS_ASIO_ChannelJoin(false, i, 0); } } } }
private void comboBoxAsioInputDevice_SelectedIndexChanged(object sender, EventArgs e) { // get the available Asio channels this.comboBoxAsioInputChannel.Items.Clear(); this.comboBoxAsioInputChannel.Text = ""; int n = this.comboBoxAsioInputDevice.SelectedIndex; if (BassAsio.BASS_ASIO_GetDevice() == n || BassAsio.BASS_ASIO_SetDevice(n)) { BASS_ASIO_INFO info = BassAsio.BASS_ASIO_GetInfo(); if (info != null) { // assuming stereo input for (int i = 0; i < info.inputs; i += 2) { BASS_ASIO_CHANNELINFO chanInfo = BassAsio.BASS_ASIO_ChannelGetInfo(true, i); if (chanInfo != null) { this.comboBoxAsioInputChannel.Items.Add(chanInfo); } } if (this.comboBoxAsioInputChannel.Items.Count > 0) { this.comboBoxAsioInputChannel.SelectedIndex = 0; } } else { MessageBox.Show(String.Format("AsioError = {0}", BassAsio.BASS_ASIO_ErrorGetCode())); } } else { MessageBox.Show(String.Format("AsioError = {0}", BassAsio.BASS_ASIO_ErrorGetCode())); } }
/// <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); }
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); }
private void SetDummyASIOInfo() { DeviceName.Text = String.Format("The device refused to be interrogated by BASSASIO. ({0})", BassAsio.BASS_ASIO_ErrorGetCode().ToString()); Inputs.Text = "N/A"; Outputs.Text = "N/A"; BufferInfo.Text = "N/A"; }
// メソッド public CSoundDeviceASIO(long n希望バッファサイズms, int _nASIODevice) { // 初期化。 Trace.TraceInformation("BASS (ASIO) の初期化を開始します。"); this.e出力デバイス = ESoundDeviceType.Unknown; this.n実出力遅延ms = 0; this.n経過時間ms = 0; this.n経過時間を更新したシステム時刻ms = CTimer.n未使用; this.tmシステムタイマ = new CTimer(); this.nASIODevice = _nASIODevice; #region [ BASS registration ] // BASS.NET ユーザ登録(BASSスプラッシュが非表示になる)。 BassNet.Registration("*****@*****.**", "2X9181017152222"); #endregion #region [ BASS Version Check ] // BASS のバージョンチェック。 int nBASSVersion = Utils.HighWord(Bass.BASS_GetVersion()); if (nBASSVersion != Bass.BASSVERSION) { throw new DllNotFoundException(string.Format("bass.dll のバージョンが異なります({0})。このプログラムはバージョン{1}で動作します。", nBASSVersion, Bass.BASSVERSION)); } int nBASSMixVersion = Utils.HighWord(BassMix.BASS_Mixer_GetVersion()); if (nBASSMixVersion != BassMix.BASSMIXVERSION) { throw new DllNotFoundException(string.Format("bassmix.dll のバージョンが異なります({0})。このプログラムはバージョン{1}で動作します。", nBASSMixVersion, BassMix.BASSMIXVERSION)); } int nBASSASIO = Utils.HighWord(BassAsio.BASS_ASIO_GetVersion()); if (nBASSASIO != BassAsio.BASSASIOVERSION) { throw new DllNotFoundException(string.Format("bassasio.dll のバージョンが異なります({0})。このプログラムはバージョン{1}で動作します。", nBASSASIO, BassAsio.BASSASIOVERSION)); } #endregion // BASS の設定。 this.bIsBASSFree = true; if (!Bass.BASS_SetConfig(BASSConfig.BASS_CONFIG_UPDATEPERIOD, 0)) // 0:BASSストリームの自動更新を行わない。 { Trace.TraceWarning($"BASS_SetConfig({nameof(BASSConfig.BASS_CONFIG_UPDATEPERIOD)}) に失敗しました。[{Bass.BASS_ErrorGetCode()}]"); } if (!Bass.BASS_SetConfig(BASSConfig.BASS_CONFIG_UPDATETHREADS, 0)) // 0:BASSストリームの自動更新を行わない。 { Trace.TraceWarning($"BASS_SetConfig({nameof(BASSConfig.BASS_CONFIG_UPDATETHREADS)}) に失敗しました。[{Bass.BASS_ErrorGetCode()}]"); } // BASS の初期化。 int nデバイス = 0; // 0:"no device" … BASS からはデバイスへアクセスさせない。アクセスは BASSASIO アドオンから行う。 int n周波数 = 44100; // 仮決め。最終的な周波数はデバイス(≠ドライバ)が決める。 if (!Bass.BASS_Init(nデバイス, n周波数, BASSInit.BASS_DEVICE_DEFAULT, IntPtr.Zero)) { throw new Exception(string.Format("BASS の初期化に失敗しました。(BASS_Init)[{0}]", Bass.BASS_ErrorGetCode().ToString())); } Bass.BASS_SetConfig(BASSConfig.BASS_CONFIG_CURVE_VOL, true); //Debug.WriteLine( "BASS_Init()完了。" ); #region [ デバッグ用: ASIOデバイスのenumerateと、ログ出力 ] // CEnumerateAllAsioDevices.GetAllASIODevices(); //Debug.WriteLine( "BassAsio.BASS_ASIO_GetDeviceInfo():" ); // int a, count = 0; // BASS_ASIO_DEVICEINFO asioDevInfo; // for ( a = 0; ( asioDevInfo = BassAsio.BASS_ASIO_GetDeviceInfo( a ) ) != null; a++ ) // { // Trace.TraceInformation( "ASIO Device {0}: {1}, driver={2}", a, asioDevInfo.name, asioDevInfo.driver ); // count++; // count it // } #endregion // BASS ASIO の初期化。 BASS_ASIO_INFO asioInfo = null; if (BassAsio.BASS_ASIO_Init(nASIODevice, BASSASIOInit.BASS_ASIO_THREAD)) // 専用スレッドにて起動 { #region [ ASIO の初期化に成功。] //----------------- this.e出力デバイス = ESoundDeviceType.ASIO; asioInfo = BassAsio.BASS_ASIO_GetInfo(); this.n出力チャンネル数 = asioInfo.outputs; this.db周波数 = BassAsio.BASS_ASIO_GetRate(); this.fmtASIOデバイスフォーマット = BassAsio.BASS_ASIO_ChannelGetFormat(false, 0); Trace.TraceInformation("BASS を初期化しました。(ASIO, デバイス:\"{0}\", 入力{1}, 出力{2}, {3}Hz, バッファ{4}~{6}sample ({5:0.###}~{7:0.###}ms), デバイスフォーマット:{8})", asioInfo.name, asioInfo.inputs, asioInfo.outputs, this.db周波数.ToString("0.###"), asioInfo.bufmin, asioInfo.bufmin * 1000 / this.db周波数, asioInfo.bufmax, asioInfo.bufmax * 1000 / this.db周波数, this.fmtASIOデバイスフォーマット.ToString() ); this.bIsBASSFree = false; #region [ debug: channel format ] //BASS_ASIO_CHANNELINFO chinfo = new BASS_ASIO_CHANNELINFO(); //int chan = 0; //while ( true ) //{ // if ( !BassAsio.BASS_ASIO_ChannelGetInfo( false, chan, chinfo ) ) // break; // Debug.WriteLine( "Ch=" + chan + ": " + chinfo.name.ToString() + ", " + chinfo.group.ToString() + ", " + chinfo.format.ToString() ); // chan++; //} #endregion //----------------- #endregion } else { #region [ ASIO の初期化に失敗。] //----------------- BASSError errcode = Bass.BASS_ErrorGetCode(); string errmes = errcode.ToString(); if (errcode == BASSError.BASS_OK) { errmes = "BASS_OK; The device may be dissconnected"; } Bass.BASS_Free(); this.bIsBASSFree = true; throw new Exception(string.Format("BASS (ASIO) の初期化に失敗しました。(BASS_ASIO_Init)[{0}]", errmes)); //----------------- #endregion } // ASIO 出力チャンネルの初期化。 this.tAsioProc = new ASIOPROC(this.tAsio処理); // アンマネージに渡す delegate は、フィールドとして保持しておかないとGCでアドレスが変わってしまう。 if (!BassAsio.BASS_ASIO_ChannelEnable(false, 0, this.tAsioProc, IntPtr.Zero)) // 出力チャンネル0 の有効化。 { #region [ ASIO 出力チャンネルの初期化に失敗。] //----------------- BassAsio.BASS_ASIO_Free(); Bass.BASS_Free(); this.bIsBASSFree = true; throw new Exception(string.Format("Failed BASS_ASIO_ChannelEnable() [{0}]", BassAsio.BASS_ASIO_ErrorGetCode().ToString())); //----------------- #endregion } for (int i = 1; i < this.n出力チャンネル数; i++) // 出力チャネルを全てチャネル0とグループ化する。 { // チャネル1だけを0とグループ化すると、3ch以上の出力をサポートしたカードでの動作がおかしくなる if (!BassAsio.BASS_ASIO_ChannelJoin(false, i, 0)) { #region [ 初期化に失敗。] //----------------- BassAsio.BASS_ASIO_Free(); Bass.BASS_Free(); this.bIsBASSFree = true; throw new Exception(string.Format("Failed BASS_ASIO_ChannelJoin({1}) [{0}]", BassAsio.BASS_ASIO_ErrorGetCode().ToString(), i)); //----------------- #endregion } } if (!BassAsio.BASS_ASIO_ChannelSetFormat(false, 0, this.fmtASIOチャンネルフォーマット)) // 出力チャンネル0のフォーマット { #region [ ASIO 出力チャンネルの初期化に失敗。] //----------------- BassAsio.BASS_ASIO_Free(); Bass.BASS_Free(); this.bIsBASSFree = true; throw new Exception(string.Format("Failed BASS_ASIO_ChannelSetFormat() [{0}]", BassAsio.BASS_ASIO_ErrorGetCode().ToString())); //----------------- #endregion } // ASIO 出力と同じフォーマットを持つ BASS ミキサーを作成。 var flag = BASSFlag.BASS_MIXER_NONSTOP | BASSFlag.BASS_STREAM_DECODE; // デコードのみ=発声しない。ASIO に出力されるだけ。 if (this.fmtASIOデバイスフォーマット == BASSASIOFormat.BASS_ASIO_FORMAT_FLOAT) { flag |= BASSFlag.BASS_SAMPLE_FLOAT; } this.hMixer = BassMix.BASS_Mixer_StreamCreate((int)this.db周波数, this.n出力チャンネル数, flag); if (this.hMixer == 0) { BASSError err = Bass.BASS_ErrorGetCode(); BassAsio.BASS_ASIO_Free(); Bass.BASS_Free(); this.bIsBASSFree = true; throw new Exception(string.Format("BASSミキサ(mixing)の作成に失敗しました。[{0}]", err)); } // BASS ミキサーの1秒あたりのバイト数を算出。 var mixerInfo = Bass.BASS_ChannelGetInfo(this.hMixer); int nサンプルサイズbyte = 0; switch (this.fmtASIOチャンネルフォーマット) { case BASSASIOFormat.BASS_ASIO_FORMAT_16BIT: nサンプルサイズbyte = 2; break; case BASSASIOFormat.BASS_ASIO_FORMAT_24BIT: nサンプルサイズbyte = 3; break; case BASSASIOFormat.BASS_ASIO_FORMAT_32BIT: nサンプルサイズbyte = 4; break; case BASSASIOFormat.BASS_ASIO_FORMAT_FLOAT: nサンプルサイズbyte = 4; break; } //long nミキサーの1サンプルあたりのバイト数 = /*mixerInfo.chans*/ 2 * nサンプルサイズbyte; long nミキサーの1サンプルあたりのバイト数 = mixerInfo.chans * nサンプルサイズbyte; this.nミキサーの1秒あたりのバイト数 = nミキサーの1サンプルあたりのバイト数 * mixerInfo.freq; // 単純に、hMixerの音量をMasterVolumeとして制御しても、 // ChannelGetData()の内容には反映されない。 // そのため、もう一段mixerを噛ませて、一段先のmixerからChannelGetData()することで、 // hMixerの音量制御を反映させる。 this.hMixer_DeviceOut = BassMix.BASS_Mixer_StreamCreate( (int)this.db周波数, this.n出力チャンネル数, flag); if (this.hMixer_DeviceOut == 0) { BASSError errcode = Bass.BASS_ErrorGetCode(); BassAsio.BASS_ASIO_Free(); Bass.BASS_Free(); this.bIsBASSFree = true; throw new Exception(string.Format("BASSミキサ(最終段)の作成に失敗しました。[{0}]", errcode)); } { bool b1 = BassMix.BASS_Mixer_StreamAddChannel(this.hMixer_DeviceOut, this.hMixer, BASSFlag.BASS_DEFAULT); if (!b1) { BASSError errcode = Bass.BASS_ErrorGetCode(); BassAsio.BASS_ASIO_Free(); Bass.BASS_Free(); this.bIsBASSFree = true; throw new Exception(string.Format("BASSミキサ(最終段とmixing)の接続に失敗しました。[{0}]", errcode)); } ; } // 出力を開始。 this.nバッファサイズsample = (int)(n希望バッファサイズms * this.db周波数 / 1000.0); //this.nバッファサイズsample = (int) nバッファサイズbyte; if (!BassAsio.BASS_ASIO_Start(this.nバッファサイズsample)) // 範囲外の値を指定した場合は自動的にデフォルト値に設定される。 { BASSError err = BassAsio.BASS_ASIO_ErrorGetCode(); BassAsio.BASS_ASIO_Free(); Bass.BASS_Free(); this.bIsBASSFree = true; throw new Exception("ASIO デバイス出力開始に失敗しました。" + err.ToString()); } else { int n遅延sample = BassAsio.BASS_ASIO_GetLatency(false); // この関数は BASS_ASIO_Start() 後にしか呼び出せない。 int n希望遅延sample = (int)(n希望バッファサイズms * this.db周波数 / 1000.0); this.n実バッファサイズms = this.n実出力遅延ms = (long)(n遅延sample * 1000.0f / this.db周波数); Trace.TraceInformation("ASIO デバイス出力開始:バッファ{0}sample(希望{1}) [{2}ms(希望{3}ms)]", n遅延sample, n希望遅延sample, this.n実出力遅延ms, n希望バッファサイズms); } }
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); } }
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(); } } } }