/// <summary>
/// 排他モード用。ビットデプスとチャンネル数を変更する。
/// </summary>
private byte[] PcmDepthChannelConvert(byte[] from, int fromOffs, int fromBytes,
DeviceFormat fromFormat, DeviceFormat toFormat)
{
System.Diagnostics.Debug.Assert(fromFormat.SampleRate == toFormat.SampleRate);
int numFrames = fromBytes / (fromFormat.NumChannels * WasapiCS.SampleFormatTypeToUseBitsPerSample(fromFormat.SampleFormat) / 8);
var pcmFrom = new PcmDataLib.PcmData();
pcmFrom.SetFormat(fromFormat.NumChannels, WasapiCS.SampleFormatTypeToUseBitsPerSample(fromFormat.SampleFormat),
WasapiCS.SampleFormatTypeToValidBitsPerSample(fromFormat.SampleFormat),
fromFormat.SampleRate, PcmDataLib.PcmData.ValueRepresentationType.SInt, numFrames);
pcmFrom.SetSampleLargeArray(new WWUtil.LargeArray <byte>(from, fromOffs, fromBytes));
// ビットデプスを変更する。
var conv = new WasapiPcmUtil.PcmFormatConverter(fromFormat.NumChannels);
var pcmTo = conv.Convert(pcmFrom, toFormat.SampleFormat,
new WasapiPcmUtil.PcmFormatConverter.BitsPerSampleConvArgs(WasapiPcmUtil.NoiseShapingType.None));
// チャンネル数を変更する。
var toBytes = WasapiPcmUtil.PcmFormatConverter.ChangeChannelCount(
fromFormat.SampleFormat, WasapiCS.StreamType.PCM,
fromFormat.NumChannels, pcmTo.GetSampleLargeArray().ToArray(),
toFormat.NumChannels);
return(toBytes);
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
LocalizeUI();
mWasapiPlay = new WasapiCS();
mWasapiPlay.Init();
mWasapiRec = new WasapiCS();
mWasapiRec.Init();
mCaptureDataArrivedDelegate = new Wasapi.WasapiCS.CaptureCallback(CaptureDataArrived);
mWasapiRec.RegisterCaptureCallback(mCaptureDataArrivedDelegate);
mPlayWorker = new BackgroundWorker();
mPlayWorker.DoWork += new DoWorkEventHandler(PlayDoWork);
mPlayWorker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(PlayRunWorkerCompleted);
mPlayWorker.WorkerSupportsCancellation = true;
mPlayWorker.WorkerReportsProgress = true;
mPlayWorker.ProgressChanged += new ProgressChangedEventHandler(PlayWorkerProgressChanged);
mRecWorker = new BackgroundWorker();
mRecWorker.DoWork += new DoWorkEventHandler(RecDoWork);
mRecWorker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(RecRunWorkerCompleted);
mRecWorker.WorkerSupportsCancellation = true;
UpdateDeviceList();
mSyncTimeout = new DispatcherTimer();
mSyncTimeout.Tick += new EventHandler(SyncTimeoutTickCallback);
mSyncTimeout.Interval = new TimeSpan(0, 0, 5);
textBoxLog.Text = string.Format("WasapiBitmatchChecker version {0}\r\n", AssemblyVersion);
mStateChanged = new Wasapi.WasapiCS.StateChangedCallback(StateChangedCallback);
mWasapiPlay.RegisterStateChangedCallback(mStateChanged);
}
private void buttonInspectDevice_Click(object sender, RoutedEventArgs e)
{
bool bRv;
{ // read num of channels
int numOfChannels;
bRv = Int32.TryParse(textBoxNumOfChannels.Text, out numOfChannels);
if (!bRv || numOfChannels <= 1)
{
string s = Properties.Resources.ErrorNumChannels;
MessageBox.Show(s);
AddLog(s);
AddLog("\r\n");
return;
}
mPref.NumOfChannels = numOfChannels;
}
int dwChannelMask = 0;
if (checkBoxSetDwChannelMask.IsChecked == true)
{
dwChannelMask = WasapiCS.GetTypicalChannelMask(mPref.NumOfChannels);
}
{
string s = mWasapiCtrl.InspectDevice(listBoxDevices.SelectedIndex, dwChannelMask);
AddLog(s);
}
}
/// <summary>
/// Converts sample format to toFormat and returns new instance of PcmData.
/// pcmFrom is not changed.
/// </summary>
/// <param name="toFormat">sample format to convert</param>
/// <returns>Newly instanciated PcmData</returns>
public PcmData Convert(PcmData pcmFrom, WasapiCS.SampleFormatType toFormat, BitsPerSampleConvArgs args)
{
if (args == null)
{
args = new BitsPerSampleConvArgs(NoiseShapingType.None);
}
var fromFormat = WasapiCS.BitAndFormatToSampleFormatType(pcmFrom.BitsPerSample, pcmFrom.ValidBitsPerSample,
SampleFormatInfo.VrtToBft(pcmFrom.SampleValueRepresentationType));
if (fromFormat == WasapiCS.SampleFormatType.Unknown ||
toFormat == WasapiCS.SampleFormatType.Unknown)
{
return(null);
}
var newSampleArray = mConvert[(int)fromFormat][(int)toFormat](pcmFrom, toFormat, args);
PcmData newPcmData = new PcmData();
newPcmData.CopyHeaderInfoFrom(pcmFrom);
newPcmData.SetFormat(pcmFrom.NumChannels,
WasapiCS.SampleFormatTypeToUseBitsPerSample(toFormat),
WasapiCS.SampleFormatTypeToValidBitsPerSample(toFormat), pcmFrom.SampleRate,
SampleFormatInfo.BftToVrt(WasapiCS.SampleFormatTypeToBitFormatType(toFormat)), pcmFrom.NumFrames);
newPcmData.SetSampleArray(newSampleArray);
return(newPcmData);
}
private void CaptureRunning(byte[] data)
{
// 届いたPCMデータをmCapturedPcmDataにAppendし、
// mCapturedBytesを更新する。
if (mCapturedBytes + data.Length <= mCapturedPcmData.LongLength)
{
mCapturedPcmData.CopyFrom(data, 0, mCapturedBytes, data.Length);
mCapturedBytes += data.Length;
long capturedFrames = mCapturedBytes
/ mStartTestingArgs.numChannels
/ (WasapiCS.SampleFormatTypeToUseBitsPerSample(mPref.RecSampleFormat) / 8);
//Console.WriteLine("Captured {0} frames", capturedFrames);
}
else
{
int copyBytes = (int)(mCapturedPcmData.LongLength - mCapturedBytes);
mCapturedPcmData.CopyFrom(data, 0, mCapturedBytes, copyBytes);
mCapturedBytes += copyBytes;
// キャプチャー終了. データの整合性チェックはRecRunWorkerCompletedで行う。
mState = State.RecCompleted;
}
}
public void Term()
{
mWasapi.Stop();
mWasapi.Unsetup();
mWasapi.Term();
ReleaseCaptureMemory();
mWasapi = null;
mDeviceInUse = false;
}
private long TotalFrames()
{
if (mPref.RecordingBufferSizeMB < 0)
{
return(0);
}
return((long)mPref.RecordingBufferSizeMB * 1024 * 1024 / WasapiCS.SampleFormatTypeToUseBitsPerSample(mPref.SampleFormat) / mPref.NumOfChannels * 8);
}
void MainWindow_Closed(object sender, EventArgs e)
{
wasapi.Stop();
wasapi.Unsetup();
wasapi.Term();
wasapi = null;
Application.Current.Shutdown(0);
}
private byte[] ConvCommon(PcmData pcmFrom, WasapiCS.SampleFormatType toFormat, BitsPerSampleConvArgs args, ConversionLoop convLoop)
{
var from = pcmFrom.GetSampleArray();
long nSample = from.LongLength * 8 / pcmFrom.BitsPerSample;
var to = new byte[nSample * WasapiCS.SampleFormatTypeToUseBitsPerSample(toFormat) / 8];
convLoop(from, to, nSample, args.noiseShaping);
return(to);
}
/// <returns>WASAPIエラーコード。</returns>
private int Setup(int deviceId, PcmDataLib.PcmData format)
{
int ercd = 0;
var mixFormat = mWasapi.GetMixFormat(deviceId);
if (WasapiCS.ShareMode.Shared == mShareMode)
{
// 共有モード。
ercd = mWasapi.Setup(deviceId, WasapiCS.DeviceType.Play, WasapiCS.StreamType.PCM,
mixFormat.sampleRate, WasapiCS.SampleFormatType.Sfloat, mixFormat.numChannels,
mixFormat.dwChannelMask, WasapiCS.MMCSSCallType.Enable,
WasapiCS.MMThreadPriorityType.High, WasapiCS.SchedulerTaskType.ProAudio,
mShareMode, mDataFeedMode, mBufferSizeMillisec, mZeroFlushMillisec, 10000, true);
if (ercd < 0)
{
Console.WriteLine("Wasapi.Setup({0} {1}) failed", mixFormat.sampleRate, WasapiCS.SampleFormatType.Sfloat);
mWasapi.Unsetup();
}
else
{
Console.WriteLine("Wasapi.Setup({0} {1}) success", mixFormat.sampleRate, WasapiCS.SampleFormatType.Sfloat);
mDeviceFormat.Set(mixFormat.numChannels, mixFormat.sampleRate,
WasapiCS.SampleFormatType.Sfloat, mixFormat.dwChannelMask);
}
}
else
{
// 排他モード。
// ビットデプスの候補をすべて試す。
var sampleFormatCandidates = SampleFormatCandidates(format.ValidBitsPerSample);
for (int i = 0; i < sampleFormatCandidates.Length; ++i)
{
ercd = mWasapi.Setup(deviceId, WasapiCS.DeviceType.Play, WasapiCS.StreamType.PCM,
format.SampleRate, sampleFormatCandidates[i], mixFormat.numChannels,
mixFormat.dwChannelMask, WasapiCS.MMCSSCallType.Enable,
WasapiCS.MMThreadPriorityType.High, WasapiCS.SchedulerTaskType.ProAudio,
mShareMode, mDataFeedMode, mBufferSizeMillisec, mZeroFlushMillisec, 10000, true);
if (ercd < 0)
{
Console.WriteLine("Wasapi.Setup({0} {1}) failed", format.SampleRate, sampleFormatCandidates[i]);
mWasapi.Unsetup();
}
else
{
Console.WriteLine("Wasapi.Setup({0} {1}) success", format.SampleRate, sampleFormatCandidates[i]);
mDeviceFormat.Set(mixFormat.numChannels, format.SampleRate,
sampleFormatCandidates[i],
WasapiCS.GetTypicalChannelMask(format.NumChannels));
break;
}
}
}
return(ercd);
}
public int WasapiInit()
{
System.Diagnostics.Debug.Assert(wasapi == null);
wasapi = new WasapiCS();
int hr = wasapi.Init();
return(hr);
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
mPref = PreferenceStore.Load();
LocalizeUI();
mWasapiPlay = new WasapiCS();
mWasapiPlay.Init();
mWasapiRec = new WasapiCS();
mWasapiRec.Init();
mCaptureDataArrivedDelegate = new Wasapi.WasapiCS.CaptureCallback(CaptureDataArrived);
mWasapiRec.RegisterCaptureCallback(mCaptureDataArrivedDelegate);
mBwStartTesting = new BackgroundWorker();
mBwStartTesting.DoWork += new DoWorkEventHandler(BwStartTesting_DoWork);
mBwStartTesting.RunWorkerCompleted += new RunWorkerCompletedEventHandler(BwStartTesting_RunWorkerCompleted);
mPlayWorker = new BackgroundWorker();
mPlayWorker.DoWork += new DoWorkEventHandler(PlayDoWork);
mPlayWorker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(PlayRunWorkerCompleted);
mPlayWorker.WorkerSupportsCancellation = true;
mRecWorker = new BackgroundWorker();
mRecWorker.DoWork += new DoWorkEventHandler(RecDoWork);
mRecWorker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(RecRunWorkerCompleted);
mRecWorker.WorkerSupportsCancellation = true;
mRecWorker.WorkerReportsProgress = true;
mRecWorker.ProgressChanged += new ProgressChangedEventHandler(RecWorkerProgressChanged);
UpdateDeviceList();
textBoxLog.Text = string.Format("WWImpulseResponse version {0}\r\n", AssemblyVersion);
mStateChanged = new Wasapi.WasapiCS.StateChangedCallback(StateChangedCallback);
mWasapiPlay.RegisterStateChangedCallback(mStateChanged);
mTimeDomainPlot.SetFunctionType(WWUserControls.TimeDomainPlot.FunctionType.DiscreteTimeSequence);
mTimeDomainPlot.SetDiscreteTimeSequence(new double[1], 44100);
mFreqResponse.Mode = WWUserControls.FrequencyResponse.ModeType.ZPlane;
mFreqResponse.SamplingFrequency = 48000;
mFreqResponse.PhaseUnwarp = true;
//mFreqResponse.ShowPhase = false;
mFreqResponse.ShowGroupDelay = false;
mFreqResponse.UpdateMagnitudeRange(WWUserControls.FrequencyResponse.MagnitudeRangeType.M48dB);
mFreqResponse.Update();
mLevelMeterUC.PreferenceToUI(1, -6, -100);
mLevelMeterUC.YellowLevelChangeEnable(false);
mLevelMeterUC.SetParamChangedCallback(LevelMeterUCParamChanged);
PreferenceToUI();
mInitialized = true;
}
public bool Init()
{
mWasapi = new WasapiCS();
int ercd = mWasapi.Init();
if (ercd < 0)
{
Console.WriteLine("PlaybackController::Init() Wasapi.Init() failed {0}", ercd);
return(false);
}
return(true);
}
private void SaveRecordedData()
{
var bytes = wasapi.GetCapturedData(mCapturedPcmData);
var nFrames = bytes / WasapiCS.SampleFormatTypeToUseBytesPerSample(mSampleFormat) / mNumChannels;
if (nFrames == 0)
{
return;
}
textBoxLog.Text += string.Format("captured frames={0} ({1:F1} seconds) glichCount={2}\r\n",
nFrames, (double)nFrames / mSamplingFrequency, wasapi.GetCaptureGlitchCount());
Microsoft.Win32.SaveFileDialog dlg = new Microsoft.Win32.SaveFileDialog();
dlg.DefaultExt = ".wav";
dlg.Filter = "WAVEファイル|*.wav";
Nullable <bool> result = dlg.ShowDialog();
if (result != true)
{
return;
}
// あとで本のサイズに戻す。
var originalSize = mCapturedPcmData.Length;
Array.Resize(ref mCapturedPcmData, (int)bytes);
mWavData = new WavData();
mWavData.Set(mNumChannels, WasapiCS.SampleFormatTypeToUseBytesPerSample(mSampleFormat) * 8, WasapiCS.SampleFormatTypeToValidBitsPerSample(mSampleFormat),
mSamplingFrequency, SampleFormatToVRT(mSampleFormat), nFrames, mCapturedPcmData);
try {
using (BinaryWriter w = new BinaryWriter(File.Open(dlg.FileName, FileMode.Create))) {
mWavData.Write(w);
textBoxLog.Text += string.Format("ファイル保存成功: {0}\r\n", dlg.FileName);
}
} catch (Exception ex) {
string s = string.Format("E: ファイル保存失敗: {0}\r\n{1}\r\n", dlg.FileName, ex);
textBoxLog.Text += s;
MessageBox.Show(s);
}
slider1.Value = 0;
label1.Content = "0/0";
Array.Resize(ref mCapturedPcmData, originalSize);
}
private void SetSampleDataToWasapiStart(int idx, WWFlacRWCS.FlacRW flac)
{
WWFlacRWCS.Metadata meta;
flac.GetDecodedMetadata(out meta);
mFromFormat = new DeviceFormat();
mFromFormat.Set(meta.channels, meta.sampleRate,
WasapiCS.BitAndFormatToSampleFormatType(meta.bitsPerSample, meta.bitsPerSample, WasapiCS.BitFormatType.SInt));
long totalBytes = meta.totalSamples * mDeviceFormat.BytesPerFrame();
mWasapi.AddPlayPcmDataAllocateMemory(idx, totalBytes);
mDecodedPcmOffs = 0;
}
public MainWindow()
{
InitializeComponent();
int hr = 0;
wasapi = new WasapiCS();
hr = wasapi.Init();
textBoxLog.Text += string.Format("wasapi.Init() {0:X8}\r\n", hr);
textBoxLatency.Text = string.Format("{0}", DEFAULT_OUTPUT_LATENCY_MS);
textBoxRecMaxMB.Text = string.Format("{0}", DEFAULT_BUFFER_SIZE_MB);
Closed += new EventHandler(MainWindow_Closed);
CreateDeviceList();
}
// 開始ボタンを押すと以下の順に実行される。
// BwStartTesting_DoWork()
// └PreparePcmData()
// BwStartTesting_RunWorkerCompleted()
// ↓ ↓
// mPlayWorker.RunWorkerAsync() mRecWorker.RunWorkerAsync()
// PlayDoWork() RecDoWork() → CaptureDataArrived()
// (リピート再生) │ ├CaptureSync()
// │ └CaptureRunning()
// └ProcessCapturedData() → RecWorkerProgressChanged()
//
// ユーザーがStopボタン押下
// ↓
// PlayRunWorkerCompleted() ←──────────── mWasapiPlay.Stop()
// mWasapiRec.Stop()
// RecRunWorkerCompleted()
private void buttonStart_Click(object sender, RoutedEventArgs e)
{
if (!UpdateTestParamsFromUI())
{
return;
}
//Console.WriteLine("buttonStart_Click()");
groupBoxPcmDataSettings.IsEnabled = false;
groupBoxPlayback.IsEnabled = false;
groupBoxRecording.IsEnabled = false;
UpdateButtonStartStop(ButtonStartStopState.Disable);
textBoxLog.Text += "Preparing data.\n";
textBoxLog.ScrollToEnd();
int numCh = mPref.NumOfChannels;
int playDwChMask = WasapiCS.GetTypicalChannelMask(numCh);
int recDwChMask = 0;
if (mPref.SetDwChannelMask)
{
recDwChMask = WasapiCS.GetTypicalChannelMask(numCh);
}
mLevelMeterUC.UpdateNumOfChannels(mPref.NumOfChannels);
mTimeDomainPlot.Clear();
mFreqResponse.SamplingFrequency = mPref.SampleRate;
mFreqResponse.TransferFunction = (WWComplex z) => { return(new WWComplex(1, 0)); };
mFreqResponse.Update();
Directory.CreateDirectory(textboxOutputFolder.Text);
int numSamples = 1 << mPref.MLSOrder;
mFFT = new WWRadix2Fft(numSamples);
mStartTestingArgs = new StartTestingArgs(mPref.MLSOrder,
numCh, mPref.TestChannel, playDwChMask, recDwChMask, textboxOutputFolder.Text);
mBwStartTesting.RunWorkerAsync(mStartTestingArgs);
}
private void CaptureRunning(byte[] data)
{
if (mCapturedBytes + data.Length <= mCapturedPcmData.Length)
{
Array.Copy(data, 0, mCapturedPcmData, mCapturedBytes, data.Length);
mCapturedBytes += data.Length;
int capturedFrames = mCapturedBytes / NUM_CHANNELS / (WasapiCS.SampleFormatTypeToUseBitsPerSample(mRecSampleFormat) / 8);
//Console.WriteLine("Captured {0} frames", capturedFrames);
}
else
{
// キャプチャー終了. データの整合性チェックはRecRunWorkerCompletedで行う。
mState = State.RecCompleted;
}
}
private void PreparePcmData()
{
mPcmSync = new PcmDataLib.PcmData();
mPcmReady = new PcmDataLib.PcmData();
mPcmTest = new PcmDataLib.PcmData();
mPcmSync.SetFormat(NUM_CHANNELS,
WasapiCS.SampleFormatTypeToUseBitsPerSample(mPlaySampleFormat),
WasapiCS.SampleFormatTypeToValidBitsPerSample(mPlaySampleFormat),
mSampleRate,
PcmDataLib.PcmData.ValueRepresentationType.SInt, mSampleRate);
var data = new byte[(WasapiCS.SampleFormatTypeToUseBitsPerSample(mPlaySampleFormat) / 8) * NUM_CHANNELS * mPcmSync.NumFrames];
mPcmSync.SetSampleArray(data);
mPcmReady.CopyFrom(mPcmSync);
data = new byte[(WasapiCS.SampleFormatTypeToUseBitsPerSample(mPlaySampleFormat) / 8) * NUM_CHANNELS * mPcmSync.NumFrames];
mPcmReady.SetSampleArray(data);
mPcmTest.CopyFrom(mPcmSync);
data = new byte[(WasapiCS.SampleFormatTypeToUseBitsPerSample(mPlaySampleFormat) / 8) * NUM_CHANNELS * mNumTestFrames];
mRand.NextBytes(data);
mPcmTest.SetSampleArray(mNumTestFrames, data);
mCapturedPcmData = new byte[(WasapiCS.SampleFormatTypeToUseBitsPerSample(mRecSampleFormat) / 8) * NUM_CHANNELS * (mNumTestFrames + NUM_PROLOGUE_FRAMES)];
Array.Clear(mCapturedPcmData, 0, mCapturedPcmData.Length);
switch (mPlaySampleFormat)
{
case WasapiCS.SampleFormatType.Sint16:
mPcmSync.SetSampleValueInInt32(0, 0, 0x00040000);
mPcmReady.SetSampleValueInInt32(0, 0, 0x00030000);
break;
case WasapiCS.SampleFormatType.Sint24:
case WasapiCS.SampleFormatType.Sint32V24:
mPcmSync.SetSampleValueInInt32(0, 0, 0x00000400);
mPcmReady.SetSampleValueInInt32(0, 0, 0x00000300);
break;
default:
System.Diagnostics.Debug.Assert(false);
break;
}
}
private LargeArray <byte> CreatePcmSamples(double[] mls, WasapiCS.SampleFormatType sft, int numCh, int playCh)
{
int sampleBytes = (WasapiCS.SampleFormatTypeToUseBitsPerSample(sft) / 8);
int frameBytes = sampleBytes * numCh;
long bytes = (long)mls.Length * frameBytes;
var r = new LargeArray <byte>(bytes);
long writePos = 0;
for (long i = 0; i < mls.Length; ++i)
{
for (int ch = 0; ch < numCh; ++ch)
{
if (ch != playCh)
{
for (int c = 0; c < sampleBytes; ++c)
{
r.Set(writePos++, 0);
}
}
else
{
int v = 0x7fffffff;
// -6dBする。
v /= 2;
if (mls[i] < 0)
{
v = -v;
}
uint uV = (uint)v;
for (int c = 0; c < sampleBytes; ++c)
{
byte b = (byte)(uV >> (8 * (4 - sampleBytes + c)));
r.Set(writePos++, b);
}
}
}
}
return(r);
}
private int SetSampleDataToWasapiStart(int idx, WWFlacRWCS.FlacRW flac)
{
int hr = 0;
mDecodedPcmOffs = 0;
WWFlacRWCS.Metadata meta;
flac.GetDecodedMetadata(out meta);
mFromFormat = new DeviceFormat();
mFromFormat.Set(meta.channels, meta.sampleRate,
WasapiCS.BitAndFormatToSampleFormatType(
meta.bitsPerSample, meta.bitsPerSample, WasapiCS.BitFormatType.SInt),
WasapiCS.GetTypicalChannelMask(meta.channels));
if (WasapiCS.ShareMode.Exclusive == mShareMode)
{
// 排他モードの時。サンプルレート変換しないので
// サンプル数がFromと同じ。
long totalBytes = meta.totalSamples * mDeviceFormat.BytesPerFrame();
mWasapi.AddPlayPcmDataAllocateMemory(idx, totalBytes);
}
else
{
// 共有モードの時。サンプルレート変換する。
long totalBytes = (meta.totalSamples * mDeviceFormat.SampleRate / mFromFormat.SampleRate) * mDeviceFormat.BytesPerFrame();
mWasapi.AddPlayPcmDataAllocateMemory(idx, totalBytes);
var resampleFrom = new WWMFResamplerCs.WWPcmFormat(WWMFResamplerCs.WWPcmFormat.SampleFormat.SF_Int,
mFromFormat.NumChannels, mFromFormat.UseBitsPerSample(), mFromFormat.SampleRate,
WasapiCS.GetTypicalChannelMask(mFromFormat.NumChannels), mFromFormat.ValidBitsPerSample());
var resampleTo = new WWMFResamplerCs.WWPcmFormat(WWMFResamplerCs.WWPcmFormat.SampleFormat.SF_Float,
mDeviceFormat.NumChannels, mDeviceFormat.UseBitsPerSample(), mDeviceFormat.SampleRate,
mDeviceFormat.DwChannelMask, mDeviceFormat.ValidBitsPerSample());
hr = mMfResampler.Init(resampleFrom, resampleTo, 60);
if (hr < 0)
{
Console.WriteLine("mMfResampler.Init() failed {0:X8}", hr);
}
}
return(hr);
}
private void SaveRecordedData()
{
var pcm = mWasapiCtrl.GetCapturedData();
long nFrames = pcm.LongLength / WasapiCS.SampleFormatTypeToUseBitsPerSample(mPref.SampleFormat) / mPref.NumOfChannels * 8;
if (pcm == null || nFrames == 0)
{
return;
}
textBoxLog.Text += string.Format("captured frames={0} ({1:F1} {2}) glichCount={3}\r\n",
nFrames, (double)nFrames / mPref.SampleRate,
Properties.Resources.Seconds, mWasapiCtrl.GetCaptureGlitchCount());
Microsoft.Win32.SaveFileDialog dlg = new Microsoft.Win32.SaveFileDialog();
dlg.DefaultExt = ".wav";
dlg.Filter = "WAVE files|*.wav";
Nullable <bool> result = dlg.ShowDialog();
if (result != true)
{
return;
}
try {
using (BinaryWriter bw = new BinaryWriter(File.Open(dlg.FileName, FileMode.Create, FileAccess.Write, FileShare.Write))) {
WavRWLib2.WavWriter.Write(bw, mPref.NumOfChannels,
WasapiCS.SampleFormatTypeToUseBitsPerSample(mPref.SampleFormat),
WavRWLib2.WavWriterLowLevel.WAVE_FORMAT_PCM,
mPref.SampleRate, nFrames, pcm);
textBoxLog.Text += string.Format("{0} : {1}\r\n", Properties.Resources.SaveFileSucceeded, dlg.FileName);
}
} catch (Exception ex) {
string s = string.Format("{0} : {1}\r\n{2}\r\n", Properties.Resources.SaveFileFailed, dlg.FileName, ex);
MessageBox.Show(s);
AddLog(s);
}
slider1.Value = 0;
}
private void PreparePcmData(StartTestingArgs args)
{
mMLSDecon = new MLSDeconvolution(args.order);
var seq = mMLSDecon.MLSSequence();
var sampleData = CreatePcmSamples(seq, mPref.PlaySampleFormat, args.numChannels, args.testChannel);
// mPcmPlay : テストデータ。このPCMデータを再生し、インパルス応答特性を調べる。
mPcmPlay = new PcmDataLib.PcmData();
mPcmPlay.SetFormat(args.numChannels,
WasapiCS.SampleFormatTypeToUseBitsPerSample(mPref.PlaySampleFormat),
WasapiCS.SampleFormatTypeToValidBitsPerSample(mPref.PlaySampleFormat),
mPref.SampleRate,
PcmDataLib.PcmData.ValueRepresentationType.SInt, seq.Length);
mPcmPlay.SetSampleLargeArray(sampleData);
// 録音データ置き場。Maximum Length Seqneuceのサイズよりも1サンプル多くしておく。
int recBytesPerSample = WasapiCS.SampleFormatTypeToUseBitsPerSample(mPref.RecSampleFormat) / 8;
mCapturedPcmData = new LargeArray <byte>((long)recBytesPerSample * args.numChannels * (seq.Length + 1));
}
private void Term()
{
// バックグラウンドスレッドにjoinして、完全に止まるまで待ち合わせするブロッキング版のStopを呼ぶ。
// そうしないと、バックグラウンドスレッドによって使用中のオブジェクトが
// この後のUnsetupの呼出によって開放されてしまい問題が起きる。
StopBlocking();
if (mWasapiRec != null)
{
mWasapiRec.Unsetup();
mWasapiRec.Term();
mWasapiRec = null;
}
if (mWasapiPlay != null)
{
mWasapiPlay.Unsetup();
mWasapiPlay.Term();
mWasapiPlay = null;
}
}
private int DeviceSetup()
{
int hr;
bool bRv;
{ // read num of channels
int numOfChannels;
bRv = Int32.TryParse(textBoxNumOfChannels.Text, out numOfChannels);
if (!bRv || numOfChannels <= 1)
{
string s = Properties.Resources.ErrorNumChannels;
MessageBox.Show(s);
AddLog(s);
AddLog("\r\n");
return(-1);
}
mPref.NumOfChannels = numOfChannels;
}
{ // read WASAPI buffer millisec from the textbox
int wasapiBufferSizeMS = -1;
bRv = Int32.TryParse(textBoxWasapiBufferSizeMS.Text, out wasapiBufferSizeMS);
if (!bRv || wasapiBufferSizeMS <= 0)
{
string s = Properties.Resources.ErrorWasapiBufferSize;
MessageBox.Show(s);
AddLog(s);
AddLog("\r\n");
return(-1);
}
mPref.WasapiBufferSizeMS = wasapiBufferSizeMS;
}
{ // read recording buffer size
int megaBytes = 0;
bRv = Int32.TryParse(textBoxRecordingBufferSizeMB.Text, out megaBytes);
if (megaBytes <= 0 || 2097151 < megaBytes)
{
string s = Properties.Resources.ErrorRecordingBufferSize;
MessageBox.Show(s);
AddLog(s);
AddLog("\r\n");
return(-1);
}
mPref.RecordingBufferSizeMB = megaBytes;
}
int dwChannelMask = 0;
if (mPref.SetDwChannelMask)
{
dwChannelMask = WasapiCS.GetTypicalChannelMask(mPref.NumOfChannels);
}
if (!mWasapiCtrl.AllocateCaptureMemory(
1024L * 1024 * mPref.RecordingBufferSizeMB))
{
string s = Properties.Resources.ErrorCouldNotAllocateMemory;
MessageBox.Show(s);
AddLog(s);
AddLog("\r\n");
return(-1);
}
hr = mWasapiCtrl.Setup(listBoxDevices.SelectedIndex,
mPref.WasapiDataFeedMode, mPref.WasapiBufferSizeMS,
mPref.SampleRate, mPref.SampleFormat, mPref.NumOfChannels, dwChannelMask);
{
if (hr < 0)
{
string s = string.Format("Error: wasapi.Setup({0}Hz, {1}, {2}ms, {3}, {4}ch, dwChannelMask={5})\r\nError code = {6:X8} {7}\r\n",
mPref.SampleRate, mPref.SampleFormat,
mPref.WasapiBufferSizeMS, mPref.WasapiDataFeedMode,
mPref.NumOfChannels, dwChannelMask, hr, mWasapiCtrl.ErrorCodeToStr(hr));
MessageBox.Show(s);
AddLog(s);
AddLog("wasapi.Unsetup()\r\n");
mWasapiCtrl.Unsetup();
mWasapiCtrl.ReleaseCaptureMemory();
return(hr);
}
else
{
string s = string.Format("wasapi.Setup({0}Hz, {1}, {2}ms, {3}, {4}ch) Succeeded {5:X8}\r\n",
mPref.SampleRate, mPref.SampleFormat,
mPref.WasapiBufferSizeMS, mPref.WasapiDataFeedMode,
mPref.NumOfChannels, hr);
AddLog(s);
}
}
mPref.PreferredDeviceIdString = mDeviceList[listBoxDevices.SelectedIndex].DeviceIdString;
return(0);
}
public void Term()
{
Console.WriteLine("D: PlaybackController.Term()");
mWasapi.Term();
mWasapi = null;
}
private void BwStartTesting_DoWork(object sender, DoWorkEventArgs e)
{
//Console.WriteLine("BwStartTesting_DoWork()");
var args = e.Argument as StartTestingArgs;
var r = new StartTestingResult();
r.result = false;
r.text = "StartTesting failed!\n";
e.Result = r;
PreparePcmData(args);
System.GC.Collect();
lock (mLock) {
int hr = 0;
// 録音
mCapturedBytes = 0;
mReceivedBytes = 0;
mLevelMeter = new LevelMeter(mPref.RecSampleFormat, args.numChannels, mPref.PeakHoldSeconds,
mPref.RecWasapiBufferSizeMS * 0.001, mPref.ReleaseTimeDbPerSec);
hr = mWasapiRec.Setup(mRecDeviceIdx,
WasapiCS.DeviceType.Rec, WasapiCS.StreamType.PCM,
mPref.SampleRate, mPref.RecSampleFormat, args.numChannels, args.recDwChannelMask,
WasapiCS.MMCSSCallType.Enable, WasapiCS.MMThreadPriorityType.None,
WasapiCS.SchedulerTaskType.ProAudio, WasapiCS.ShareMode.Exclusive,
mPref.RecDataFeedMode, mPref.RecWasapiBufferSizeMS, ZERO_FLUSH_MILLISEC, TIME_PERIOD, true);
if (hr < 0)
{
r.result = false;
r.text = string.Format(Properties.Resources.msgRecSetupError,
mPref.SampleRate, mPref.RecSampleFormat, args.numChannels, mPref.RecDataFeedMode,
mPref.RecWasapiBufferSizeMS, WasapiCS.GetErrorMessage(hr)) + "\n";
e.Result = r;
StopUnsetup();
return;
}
// 再生
hr = mWasapiPlay.Setup(mPlayDeviceIdx,
WasapiCS.DeviceType.Play, WasapiCS.StreamType.PCM,
mPref.SampleRate, mPref.PlaySampleFormat, args.numChannels, args.playDwChannelMask,
WasapiCS.MMCSSCallType.Enable, WasapiCS.MMThreadPriorityType.None,
WasapiCS.SchedulerTaskType.ProAudio, WasapiCS.ShareMode.Exclusive,
mPref.PlayDataFeedMode, mPref.PlayWasapiBufferSizeMS, ZERO_FLUSH_MILLISEC, TIME_PERIOD, true);
if (hr < 0)
{
mWasapiPlay.Unsetup();
r.result = false;
r.text = string.Format(Properties.Resources.msgPlaySetupError,
mPref.SampleRate, mPref.PlaySampleFormat, args.numChannels,
mPref.PlayDataFeedMode, mPref.PlayWasapiBufferSizeMS) + "\n";
e.Result = r;
return;
}
var ss = mWasapiPlay.GetSessionStatus();
mWasapiPlay.ClearPlayList();
mWasapiPlay.AddPlayPcmDataStart();
mWasapiPlay.AddPlayPcmData(0, mPcmPlay.GetSampleLargeArray());
mWasapiPlay.AddPlayPcmDataEnd();
mWasapiPlay.SetPlayRepeat(true);
var playAttr = mWasapiPlay.GetDeviceAttributes(mPlayDeviceIdx);
var recAttr = mWasapiRec.GetDeviceAttributes(mRecDeviceIdx);
r.result = true;
r.text = string.Format(Properties.Resources.msgTestStarted, mPref.SampleRate,
mPcmPlay.NumFrames / mPref.SampleRate, mPcmPlay.NumFrames * 0.001 * 0.001);
r.text += string.Format(Properties.Resources.msgPlaySettings,
mPref.PlaySampleFormat, mPref.PlayWasapiBufferSizeMS,
mPref.PlayDataFeedMode, playAttr.Name);
r.text += string.Format(Properties.Resources.msgRecSettings,
mPref.RecSampleFormat, mPref.RecWasapiBufferSizeMS,
mPref.RecDataFeedMode, recAttr.Name);
e.Result = r;
}
}
private static int GetBytesPerSec(Preference pref)
{
return(pref.NumOfChannels * pref.SampleRate *
WasapiCS.SampleFormatTypeToUseBitsPerSample(pref.SampleFormat) / 8);
}
private void ProcessCapturedData(BackgroundWorker bw, string folder)
{
// 録音したデータをrecPcmDataに入れる。
var recPcmData = new PcmDataLib.PcmData();
recPcmData.SetFormat(mStartTestingArgs.numChannels,
WasapiCS.SampleFormatTypeToUseBitsPerSample(mPref.RecSampleFormat),
WasapiCS.SampleFormatTypeToValidBitsPerSample(mPref.RecSampleFormat),
mPref.SampleRate,
PcmDataLib.PcmData.ValueRepresentationType.SInt,
mPcmPlay.NumFrames + 1); //< 再生したMaximum Length Sequenceのサイズよりも1サンプル多い。
recPcmData.SetSampleLargeArray(mCapturedPcmData);
// インパルス応答impulse[]を得る。
var recorded = recPcmData.GetDoubleArray(mStartTestingArgs.testChannel);
var decon = mMLSDecon.Deconvolution(recorded.ToArray());
var impulse = new double[decon.Length];
for (int i = 0; i < decon.Length; ++i)
{
impulse[i] = 2.0 * decon[decon.Length - 1 - i];
}
{
// ファイルに保存。
string path = string.Format("{0}/ImpulseResponse{1}_{2}.csv", folder, DateTime.Now.ToString("yyyyMMddHHmmss"), mCaptureCounter);
OutputImpulseToCsvFile(impulse, mPref.SampleRate, path);
}
++mCaptureCounter;
lock (mLock) {
mTimeDomainPlot.SetDiscreteTimeSequence(impulse, mPref.SampleRate);
}
// 周波数特性を計算する。
var fr = CalcFrequencyResponse(impulse);
{
// ファイルに保存。
string path = string.Format("{0}/FrequencyResponse{1}_{2}.csv", folder, DateTime.Now.ToString("yyyyMMddHHmmss"), mCaptureCounter);
OutputFrequencyResponseToCsvFile(fr, mPref.SampleRate, path);
}
lock (mLock) {
mFreqResponse.TransferFunction = (WWComplex z) => {
double θ = Math.Atan2(z.imaginary, z.real);
double freq01 = θ / Math.PI;
int pos = (int)(freq01 * fr.Length / 2);
if (pos < 0)
{
return(WWComplex.Zero());
}
return(fr[pos]);
};
}
// この後描画ができるタイミング(RecWorkerProgressChanged())でmTimeDomainPlot.Update()を呼ぶ。
bw.ReportProgress(10);
}
public WasapiCS.SampleFormatType GetSampleFormatType()
{
return(WasapiCS.BitAndFormatToSampleFormatType(bitsPerSample, validBitsPerSample, bitFormatType));
}
