public void Dispose()
{
if (m_Thread != null)
{
try
{
m_Finished = true;
if (m_WaveOut != IntPtr.Zero)
{
WaveNative.waveOutReset(m_WaveOut);
}
m_Thread.Join();
m_FillProc = null;
FreeBuffers();
if (m_WaveOut != IntPtr.Zero)
{
WaveNative.waveOutClose(m_WaveOut);
}
}
finally
{
m_Thread = null;
m_WaveOut = IntPtr.Zero;
}
}
GC.SuppressFinalize(this);
}
public bool playSounds(string soundFileName)
{
if (string.IsNullOrEmpty(soundFileName))
{
return(false);
}
if (!InitAudioDevice())
{
return(false);
}
byte[] block;
int blockSize;
//WaveNative.waveOutOpen(out m_WaveOut, device, format, m_BufferProc, 0, WaveNative.CALLBACK_FUNCTION)
//new WaveLib.WaveOutPlayer(-1, fmt, 16384, 3, new WaveLib.BufferFillEventHandler(Filler));
if (WaveNative.waveOutOpen(out hWaveOut, -1, waveForm, null, 0, 0) != WaveNative.MMSYSERR_NOERROR)
{
//::AfxMessageBox("音频设备打卡失败",MB_OK);
return(false);
}
if ((block = loadAudioBlock(soundFileName, out blockSize)) == null)
{
//::AfxMessageBox("无法打开音频文件",MB_OK);
return(false);
}
writeAudioBlock(hWaveOut, block, blockSize);
WaveNative.waveOutClose(hWaveOut);
return(true);
}
protected unsafe void OnButton1Clicked(object sender, System.EventArgs e)
{
IntPtr ptr;
WaveNative.snd_pcm_open(out ptr, "default", WaveNative.snd_pcm_stream_t.SND_PCM_STREAM_PLAYBACK, 0);
Console.WriteLine(ptr.ToString());
IntPtr param;
WaveNative.snd_pcm_hw_params_malloc(out param);
WaveNative.snd_pcm_hw_params_any(ptr, param);
WaveNative.snd_pcm_hw_params_set_access(ptr, param, WaveNative.snd_pcm_access_t.SND_PCM_ACCESS_RW_INTERLEAVED);
WaveNative.snd_pcm_hw_params_set_format(ptr, param, WaveNative.snd_pcm_format_t.SND_PCM_FORMAT_S16_LE);
uint srate = 44100;
WaveNative.snd_pcm_hw_params_set_rate_near(ptr, param, ref srate, null);
WaveNative.snd_pcm_hw_params_set_channels(ptr, param, 1);
WaveNative.snd_pcm_hw_params(ptr, param);
WaveNative.snd_pcm_hw_params_free(param);
WaveNative.snd_pcm_prepare(ptr);
sine_gen sg = new sine_gen(100.0 / 44100);
short[] buf = new short[4096];
fixed(short *bufp = buf)
{
while (true)
{
sg.generate(buf, buf.Length, 0, short.MaxValue);
WaveNative.snd_pcm_writei(ptr, bufp, (ulong)buf.Length);
}
}
}
private int WriteWaveOut(IntPtr buf, int size)
{
int ret;
WaveNative.WaveHdr m_Header = new WaveNative.WaveHdr();;
GCHandle m_HeaderHandle = GCHandle.Alloc(m_Header, GCHandleType.Pinned);
m_Header.dwUser = (IntPtr)GCHandle.Alloc(this);
m_Header.lpData = buf;
m_Header.dwBufferLength = size;
ret = WaveNative.waveOutPrepareHeader(waveOut, ref m_Header, Marshal.SizeOf(m_Header));
if (ret != WaveNative.MMSYSERR_NOERROR)
{
throw new Exception("can not open wave device");
}
lock (queue)
{
ret = WaveNative.waveOutWrite(waveOut, ref m_Header, Marshal.SizeOf(m_Header));
}
if (ret != WaveNative.MMSYSERR_NOERROR)
{
throw new Exception("can not open wave device");
}
while (WaveNative.waveOutUnprepareHeader(waveOut, ref m_Header, Marshal.SizeOf(m_Header)) == WaveNative.WAVERR_STILLPLAYING)
{
Thread.Sleep(5);
}
((GCHandle)m_Header.dwUser).Free();
m_HeaderHandle.Free();
return(ret);
}
public bool Play()
{
lock (this)
{
m_PlayEvent.Reset();
m_Playing = WaveNative.waveOutWrite(m_WaveOut, ref m_Header, Marshal.SizeOf(m_Header)) == WaveNative.MMRESULT.MMSYSERR_NOERROR;
return(m_Playing);
}
}
public bool Play()
{
lock (_lockObj)
{
m_PlayEvent.Reset();
m_Playing = (MMErrors)WaveNative.waveOutWrite(m_WaveOut, ref m_Header, Marshal.SizeOf(m_Header)) == MMErrors.MMSYSERR_NOERROR;
return(m_Playing);
}
}
public bool Restart()
{
if (WaveNative.waveOutRestart(hWaveOut) != WaveNative.MMSYSERR_NOERROR)
{
return(false);
}
else
{
return(true);
}
}
public bool Pause()
{
if (WaveNative.waveOutPause(hWaveOut) != WaveNative.MMSYSERR_NOERROR)
{
return(false);
}
else
{
return(true);
}
}
public bool GetPosition()
{
int lpInfo = 0;
WaveNative.WaveHdr header = new WaveNative.WaveHdr();
if (WaveNative.waveOutGetPosition(hWaveOut, out lpInfo, Marshal.SizeOf(header)) != WaveNative.MMSYSERR_NOERROR)
{
return(false);
}
else
{
return(true);
}
}
public void Dispose()
{
if (m_Header.lpData != IntPtr.Zero)
{
WaveNative.waveOutUnprepareHeader(m_WaveOut, ref m_Header, Marshal.SizeOf(m_Header));
m_HeaderHandle.Free();
m_Header.lpData = IntPtr.Zero;
}
m_PlayEvent.Close();
if (m_HeaderDataHandle.IsAllocated)
{
m_HeaderDataHandle.Free();
}
GC.SuppressFinalize(this);
}
public void Stop()
{
threadWorking = false;
queue.Close();
foreach (var thread in threads)
{
thread.Join();
}
if (waveOut != IntPtr.Zero)
{
WaveNative.waveOutClose(waveOut);
waveOut = IntPtr.Zero;
}
}
public WaveOut(int device, WAVEFORMATEX format, int bufferSize, int bufferCount, BufferFillEventHandler fillProc)
{
m_zero = format.wBitsPerSample == 8 ? (byte)128 : (byte)0;
m_FillProc = fillProc;
var errorCode = (MMErrors)WaveNative.waveOutOpen(out m_WaveOut, device, ref format, m_BufferProc, 0, (int)CallBackFlag.CALLBACK_FUNCTION);
if (errorCode != MMErrors.MMSYSERR_NOERROR)
{
throw new MixerException(errorCode, Audio.GetErrorDescription(FuncName.fnWaveOutOpen, errorCode));
}
AllocateBuffers(bufferSize, bufferCount);
m_Thread = new Thread(new ThreadStart(ThreadProc));
m_Thread.Start();
}
public WaveOutBuffer(IntPtr waveOutHandle, int size)
{
m_WaveOut = waveOutHandle;
m_HeaderHandle = GCHandle.Alloc(m_Header, GCHandleType.Pinned);
m_Header.dwUser = (IntPtr)GCHandle.Alloc(this);
m_HeaderData = new byte[size];
m_HeaderDataHandle = GCHandle.Alloc(m_HeaderData, GCHandleType.Pinned);
m_Header.lpData = m_HeaderDataHandle.AddrOfPinnedObject();
m_Header.dwBufferLength = size;
var errorCode = (MMErrors)WaveNative.waveOutPrepareHeader(m_WaveOut, ref m_Header, Marshal.SizeOf(m_Header));
if (errorCode != MMErrors.MMSYSERR_NOERROR)
{
throw new MixerException(errorCode, Audio.GetErrorDescription(FuncName.fnCustom, errorCode));
}
}
private void AskSoundForm_Load(object sender, EventArgs e)
{
if (WaveNative.waveInGetNumDevs() == 0)
{
consoletext += DateTime.Now.ToString() + " : No audio input devices detected\r\n";
}
else
{
consoletext += DateTime.Now.ToString() + " : Audio input device detected\r\n";
if (_isPlayer == true)
{
_streamOut = new FifoStream();
}
_audioFrame = new AudioFrame(_isTest);
//_audioFrame.IsDetectingEvents = TVSender.Properties.Settings.Default.SettingIsDetectingEvents;
//_audioFrame.AmplitudeThreshold = TVSender.Properties.Settings.Default.SettingAmplitudeThreshold;
_streamMemory = new MemoryStream();
Start();
}
}
void writeAudioBlock(IntPtr hWaveOut, byte[] block, int size)
{
WaveNative.WaveHdr header = new WaveNative.WaveHdr();
//ZeroMemory(&header, sizeof(WAVEHDR));
header.dwBufferLength = size;
GCHandle hObject = GCHandle.Alloc(block, GCHandleType.Pinned);
header.lpData = hObject.AddrOfPinnedObject();
if (hObject.IsAllocated)
{
hObject.Free();
}
WaveNative.waveOutPrepareHeader(hWaveOut, ref header, Marshal.SizeOf(header));
WaveNative.waveOutWrite(hWaveOut, ref header, Marshal.SizeOf(header));
Thread.Sleep(500);
while (WaveNative.waveOutUnprepareHeader(hWaveOut, ref header, Marshal.SizeOf(header)) == WaveNative.MMSYSERR_NOERROR)
{
Thread.Sleep(100);
}
}
private void _Stop()
{
threadWorking = false;
queue.Close();
foreach (var thread in threads)
{
thread.Join();
}
if (waveOut != IntPtr.Zero)
{
WaveNative.waveOutClose(waveOut);
waveOut = IntPtr.Zero;
}
if (pcm != IntPtr.Zero)
{
Asound.snd_pcm_close(pcm);
pcm = IntPtr.Zero;
}
}
public void PutSample(WaveDataType type)
{
int ret;
int size = type.size;
int rate = type.sample_rate == 0 ? 44100 : type.sample_rate;
int bit = type.bit_per_sample == 0 ? 16 : type.bit_per_sample;
int channel = type.channel == 0 ? 2 : type.channel;
if (waveOut == IntPtr.Zero)
{
WaveLib.WaveFormat fmt = new WaveLib.WaveFormat(rate, bit, channel);
ret = WaveNative.waveOutOpen(out waveOut, -1, fmt, null, 0, WaveNative.CALLBACK_NULL);
if (ret != WaveNative.MMSYSERR_NOERROR)
{
throw new Exception("can not open wave device");
}
}
queue.Enqueue(type);
}
private void PlayUsingWaveOut(AudioFrame frame)
{
var type = frame.WaveDate;
int ret;
int size = type.size;
int rate = type.sample_rate == 0 ? 44100 : type.sample_rate;
int bit = type.bit_per_sample == 0 ? 16 : type.bit_per_sample;
int channel = type.channel == 0 ? 2 : type.channel;
if (waveOut == IntPtr.Zero)
{
WaveLib.WaveFormat fmt = new WaveLib.WaveFormat(rate, bit, channel);
ret = WaveNative.waveOutOpen(out waveOut, -1, fmt, null, 0, WaveNative.CALLBACK_NULL);
if (ret != WaveNative.MMSYSERR_NOERROR)
{
throw new Exception("can not open wave device");
}
}
queue.Enqueue(type);
//ret = WriteWaveOut(frame);
}
public static WaveOutDeviceInfo[] GetWaveOutDevices()
{
// enumerate WaveOut devices
int devices = WaveNative.waveOutGetNumDevs();
WaveOutDeviceInfo[] result = new WaveOutDeviceInfo[devices];
WaveNative.WAVEOUTCAPS caps = new WaveNative.WAVEOUTCAPS();
for (int i = 0; i < devices; i++)
{
WaveNative.waveOutGetDevCaps((IntPtr)i, ref caps, (uint)Marshal.SizeOf(caps));
result[i] = new WaveOutDeviceInfo();
result[i].DisplayName = caps.szPname;
}
// expand names
GCHandle result_handle = GCHandle.Alloc(result);
WaveNative.DirectSoundEnumerate(new WaveNative.DSEnumCallback(EnumCallback), (IntPtr)result_handle);
result_handle.Free();
return(result);
}
private AudioDevice GetDefaultDevice(MixerType mixerType)
{
MMErrors errorCode = 0;
IntPtr hWave = IntPtr.Zero;
IntPtr hMixer = IntPtr.Zero;
try
{
WAVEFORMATEX waveFormat = WAVEFORMATEX.Empty;
waveFormat.formatTag = WaveFormatTag.PCM;
waveFormat.nChannels = 1;
waveFormat.nSamplesPerSec = 8000;
waveFormat.wBitsPerSample = 8;
waveFormat.nBlockAlign = (short)(waveFormat.nChannels * (waveFormat.wBitsPerSample / 8));
waveFormat.nAvgBytesPerSec = waveFormat.nSamplesPerSec * waveFormat.nBlockAlign;
waveFormat.cbSize = 0;
// Get default mixer HWND
if (mixerType == MixerType.Recording)
{
errorCode = (MMErrors)WaveNative.waveInOpen(out hWave, WaveNative.WAVE_MAPPER, ref waveFormat, CallbackForm.Handle, IntPtr.Zero, (int)CallBackFlag.CALLBACK_WINDOW);
}
else if (mixerType == MixerType.Playback)
{
errorCode = (MMErrors)WaveNative.waveOutOpen(out hWave, WaveNative.WAVE_MAPPER, ref waveFormat, CallbackForm.Handle, IntPtr.Zero, (int)CallBackFlag.CALLBACK_WINDOW);
}
if (errorCode != MMErrors.MMSYSERR_NOERROR)
{
// TODO: Log error!!!
//throw new MixerException(errorCode, Audio.GetErrorDescription(FuncName.fnWaveInOpen, errorCode));
return(null);
}
if (mixerType == MixerType.Recording)
{
errorCode = (MMErrors)MixerNative.mixerOpen(out hMixer, hWave, IntPtr.Zero, IntPtr.Zero, ((uint)MIXER_OBJECTFLAG.HWAVEIN));
}
else if (mixerType == MixerType.Playback)
{
errorCode = (MMErrors)MixerNative.mixerOpen(out hMixer, hWave, IntPtr.Zero, IntPtr.Zero, ((uint)MIXER_OBJECTFLAG.HWAVEOUT));
}
if (errorCode != MMErrors.MMSYSERR_NOERROR)
{
// TODO: Log error!!!
//throw new MixerException(errorCode, Mixers.GetErrorDescription(FuncName.fnMixerOpen, errorCode));
return(null);
}
int deviceId = -1;
errorCode = (MMErrors)MixerNative.mixerGetID(hMixer, ref deviceId, MIXER_OBJECTFLAG.MIXER);
if (errorCode != MMErrors.MMSYSERR_NOERROR)
{
// TODO: Log error!!!
//throw new MixerException(errorCode, Mixers.GetErrorDescription(FuncName.fnMixerGetID, errorCode));
return(null);
}
MIXERCAPS wic = new MIXERCAPS();
errorCode = (MMErrors)MixerNative.mixerGetDevCaps(deviceId, ref wic, Marshal.SizeOf(wic));
if (errorCode != MMErrors.MMSYSERR_NOERROR)
{
// TODO: Log error!!!
//throw new MixerException(errorCode, GetErrorDescription(FuncName.fnMixerGetDevCaps, errorCode));
return(null);
}
return(GetAudioDeviceByName(wic.szPname, mixerType == MixerType.Playback));
}
finally
{
if (hMixer != IntPtr.Zero)
{
MixerNative.mixerClose(hMixer);
}
if (hWave != IntPtr.Zero && mixerType == MixerType.Playback)
{
WaveNative.waveOutClose(hWave);
}
if (hWave != IntPtr.Zero && mixerType == MixerType.Recording)
{
WaveNative.waveInClose(hWave);
}
}
}
