![paulc](/assets/img/avatar_default.png)
Added lots of stricter sanity checks on configurable parameters git-svn-id: http://voip.null.ro/svn/yate@674 acf43c95-373e-0410-b603-e72c3f656dc1
698 lines
19 KiB
C++
698 lines
19 KiB
C++
/**
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* dsoundchan.cpp
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* This file is part of the YATE Project http://YATE.null.ro
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*
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* DirectSound channel driver for Windows.
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*
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* Yet Another Telephony Engine - a fully featured software PBX and IVR
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* Copyright (C) 2004 Null Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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// define DCOM before including windows.h so advanced COM functions can be compiled
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#define _WIN32_DCOM
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#include <yatephone.h>
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#ifndef _WINDOWS
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#error This module is only for Windows
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#else
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#include <string.h>
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// initialize the GUIDs so we don't need to link against dsound.lib
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#include <initguid.h>
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#include <dsound.h>
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using namespace TelEngine;
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// we should use the primary sound buffer else we will lose sound while we have no input focus
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static bool s_primary = true;
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// 20ms minimum chunk, 100ms buffer
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#define CHUNK_SIZE 320
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static unsigned int s_chunk = CHUNK_SIZE;
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static unsigned int s_minsize = 2*CHUNK_SIZE;
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static unsigned int s_bufsize = 4*CHUNK_SIZE;
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static unsigned int s_maxsize = 5*CHUNK_SIZE;
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class DSoundSource : public DataSource
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{
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friend class DSoundRec;
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public:
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DSoundSource();
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~DSoundSource();
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private:
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DSoundRec* m_dsound;
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};
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class DSoundConsumer : public DataConsumer
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{
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friend class DSoundPlay;
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public:
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DSoundConsumer();
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~DSoundConsumer();
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virtual void Consume(const DataBlock &data, unsigned long tStamp);
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private:
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DSoundPlay* m_dsound;
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};
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// all DirectSound play related objects are created in this thread's apartment
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class DSoundPlay : public Thread, public Mutex
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{
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public:
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DSoundPlay(DSoundConsumer* owner, LPGUID device = 0);
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virtual ~DSoundPlay();
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virtual void run();
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virtual void cleanup();
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bool init();
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inline void terminate()
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{ m_owner = 0; }
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inline LPDIRECTSOUND dsound() const
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{ return m_ds; }
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inline LPDIRECTSOUNDBUFFER buffer() const
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{ return m_dsb; }
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void put(const DataBlock& data);
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private:
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DSoundConsumer* m_owner;
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LPGUID m_device;
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LPDIRECTSOUND m_ds;
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LPDIRECTSOUNDBUFFER m_dsb;
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DWORD m_buffSize;
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DataBlock m_buf;
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u_int64_t m_start;
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u_int64_t m_total;
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};
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// all DirectSound record related objects are created in this thread's apartment
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class DSoundRec : public Thread
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{
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public:
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DSoundRec(DSoundSource* owner, LPGUID device = 0);
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virtual ~DSoundRec();
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virtual void run();
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virtual void cleanup();
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bool init();
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inline void terminate()
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{ m_owner = 0; Thread::msleep(10); }
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inline LPDIRECTSOUNDCAPTURE dsound() const
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{ return m_ds; }
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inline LPDIRECTSOUNDCAPTUREBUFFER buffer() const
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{ return m_dsb; }
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private:
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DSoundSource* m_owner;
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LPGUID m_device;
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LPDIRECTSOUNDCAPTURE m_ds;
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LPDIRECTSOUNDCAPTUREBUFFER m_dsb;
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DWORD m_buffSize;
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DWORD m_readPos;
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u_int64_t m_start;
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u_int64_t m_total;
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};
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class DSoundChan : public Channel
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{
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public:
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DSoundChan();
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virtual ~DSoundChan();
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};
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class AttachHandler : public MessageHandler
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{
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public:
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AttachHandler() : MessageHandler("chan.attach")
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{ }
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virtual bool received(Message &msg);
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};
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class SoundDriver : public Driver
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{
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friend class DSoundPlay;
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friend class DSoundRec;
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public:
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SoundDriver();
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~SoundDriver();
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virtual void initialize();
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virtual bool msgExecute(Message& msg, String& dest);
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private:
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AttachHandler* m_handler;
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};
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INIT_PLUGIN(SoundDriver);
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DSoundPlay::DSoundPlay(DSoundConsumer* owner, LPGUID device)
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: Thread("DirectSound Play",High),
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m_owner(owner), m_device(device), m_ds(0), m_dsb(0),
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m_buffSize(0), m_start(0), m_total(0)
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{
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}
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DSoundPlay::~DSoundPlay()
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{
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if (m_owner)
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m_owner->m_dsound = 0;
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if (m_start && m_total) {
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unsigned int rate = (unsigned int)(m_total * 1000000 / (Time::now() - m_start));
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Debug(&__plugin,DebugInfo,"DSoundPlay transferred %u bytes/s, total " FMT64U,rate,m_total);
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}
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}
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bool DSoundPlay::init()
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{
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HRESULT hr;
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if (FAILED(hr = ::CoInitializeEx(NULL,COINIT_MULTITHREADED))) {
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Debug(DebugGoOn,"Could not initialize the COM library, code 0x%X",hr);
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return false;
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}
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if (FAILED(hr = ::CoCreateInstance(CLSID_DirectSound, NULL, CLSCTX_INPROC_SERVER,
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IID_IDirectSound, (void**)&m_ds)) || !m_ds) {
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Debug(DebugGoOn,"Could not create the DirectSound object, code 0x%X",hr);
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return false;
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}
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if (FAILED(hr = m_ds->Initialize(m_device))) {
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Debug(DebugGoOn,"Could not initialize the DirectSound object, code 0x%X",hr);
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return false;
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}
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HWND wnd = GetForegroundWindow();
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if (!wnd)
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wnd = GetDesktopWindow();
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if (FAILED(hr = m_ds->SetCooperativeLevel(wnd,s_primary ? DSSCL_WRITEPRIMARY : DSSCL_EXCLUSIVE))) {
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Debug(DebugGoOn,"Could not set the DirectSound cooperative level, code 0x%X",hr);
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return false;
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}
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WAVEFORMATEX fmt;
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fmt.wFormatTag = WAVE_FORMAT_PCM;
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fmt.nChannels = 1;
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fmt.nSamplesPerSec = 8000;
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fmt.nAvgBytesPerSec = 16000;
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fmt.nBlockAlign = 2;
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fmt.wBitsPerSample = 16;
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fmt.cbSize = 0;
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DSBUFFERDESC bdesc;
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ZeroMemory(&bdesc, sizeof(bdesc));
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bdesc.dwSize = sizeof(bdesc);
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if (s_primary)
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bdesc.dwFlags = DSBCAPS_PRIMARYBUFFER | DSBCAPS_STICKYFOCUS;
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else {
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bdesc.dwFlags = DSBCAPS_GLOBALFOCUS;
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// we have to set format when creating secondary buffers
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bdesc.dwBufferBytes = s_bufsize;
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bdesc.lpwfxFormat = &fmt;
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}
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if (FAILED(hr = m_ds->CreateSoundBuffer(&bdesc, &m_dsb, NULL)) || !m_dsb) {
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Debug(DebugGoOn,"Could not create the DirectSound buffer, code 0x%X",hr);
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return false;
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}
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// format can be changed only for primary buffers
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if (s_primary && FAILED(hr = m_dsb->SetFormat(&fmt))) {
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Debug(DebugGoOn,"Could not set the DirectSound buffer format, code 0x%X",hr);
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return false;
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}
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if (FAILED(hr = m_dsb->GetFormat(&fmt,sizeof(fmt),0))) {
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Debug(DebugGoOn,"Could not get the DirectSound buffer format, code 0x%X",hr);
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return false;
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}
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if ((fmt.wFormatTag != WAVE_FORMAT_PCM) ||
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(fmt.nChannels != 1) ||
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(fmt.nSamplesPerSec != 8000) ||
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(fmt.wBitsPerSample != 16)) {
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Debug(DebugGoOn,"DirectSound does not support 8000Hz 16bit mono PCM format, "
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"got fmt=%u, chans=%d samp=%d size=%u",
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fmt.wFormatTag,fmt.nChannels,fmt.nSamplesPerSec,fmt.wBitsPerSample);
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return false;
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}
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DSBCAPS caps;
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caps.dwSize = sizeof(caps);
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if (FAILED(hr = m_dsb->GetCaps(&caps))) {
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Debug(DebugGoOn,"Could not get the DirectSound buffer capabilities, code 0x%X",hr);
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return false;
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}
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m_buffSize = caps.dwBufferBytes;
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Debug(&__plugin,DebugInfo,"DirectSound buffer size %u",m_buffSize);
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if (FAILED(hr = m_dsb->Play(0,0,DSBPLAY_LOOPING))) {
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if ((hr != DSERR_BUFFERLOST) || FAILED(hr = m_dsb->Restore())) {
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Debug(DebugGoOn,"Could not play the DirectSound buffer, code 0x%X",hr);
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return false;
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}
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m_dsb->Play(0,0,DSBPLAY_LOOPING);
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}
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return true;
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}
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void DSoundPlay::run()
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{
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if (!init())
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return;
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if (m_owner)
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m_owner->m_dsound = this;
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DWORD writeOffs = 0;
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bool first = true;
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Debug(&__plugin,DebugInfo,"DSoundPlay is initialized and running");
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while (m_owner) {
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msleep(1,true);
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if (first) {
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if (m_buf.length() < s_minsize)
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continue;
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first = false;
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m_dsb->GetCurrentPosition(NULL,&writeOffs);
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writeOffs = (s_chunk/4 + writeOffs) % m_buffSize;
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Debug(&__plugin,DebugAll,"DSoundPlay has %u in buffer and starts playing at %u",
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m_buf.length(),writeOffs);
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m_start = Time::now();
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}
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while (m_dsb && (m_buf.length() >= s_chunk)) {
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DWORD playPos = 0;
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DWORD writePos = 0;
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bool adjust = false;
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// check if we slipped behind and advance our pointer if so
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if (SUCCEEDED(m_dsb->GetCurrentPosition(&playPos,&writePos))) {
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if (playPos < writePos)
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// not wrapped - have to adjust if our pointer falls between play and write
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adjust = (playPos < writeOffs) && (writeOffs < writePos);
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else
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// only write offset has wrapped - adjust if we are outside
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adjust = (writeOffs < writePos) || (playPos <= writeOffs) ;
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}
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if (adjust) {
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DWORD adjOffs = (s_chunk/4 + writePos) % m_buffSize;
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Debug(&__plugin,DebugInfo,"Slip detected, changing write offs from %u to %u, p=%u w=%u",
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writeOffs,adjOffs,playPos,writePos);
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writeOffs = adjOffs;
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}
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void* buf = 0;
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void* buf2 = 0;
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DWORD len = 0;
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DWORD len2 = 0;
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// locking will prevent us to skip ahead and overwrite the play position
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HRESULT hr = m_dsb->Lock(writeOffs,s_chunk,&buf,&len,&buf2,&len2,0);
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if (FAILED(hr)) {
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writeOffs = 0;
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if ((hr == DSERR_BUFFERLOST) && SUCCEEDED(m_dsb->Restore())) {
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m_dsb->Play(0,0,DSBPLAY_LOOPING);
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m_dsb->GetCurrentPosition(NULL,&writeOffs);
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writeOffs = (s_chunk/4 + writeOffs) % m_buffSize;
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Debug(&__plugin,DebugAll,"DirectSound buffer lost and restored, playing at %u",
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writeOffs);
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}
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else {
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lock();
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m_buf.clear();
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unlock();
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}
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continue;
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}
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lock();
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::memcpy(buf,m_buf.data(),len);
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if (buf2)
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::memcpy(buf2,((const char*)m_buf.data())+len,len2);
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m_dsb->Unlock(buf,len,buf2,len2);
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writeOffs += s_chunk;
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if (writeOffs >= m_buffSize)
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writeOffs -= m_buffSize;
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m_total += s_chunk;
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m_buf.cut(-(int)s_chunk);
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unlock();
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XDebug(&__plugin,DebugAll,"Locked %p,%d %p,%d",buf,len,buf2,len2);
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}
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}
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}
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void DSoundPlay::cleanup()
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{
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Debug(DebugInfo,"DSoundPlay cleaning up");
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if (m_dsb) {
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m_dsb->Stop();
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m_dsb->Release();
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m_dsb = 0;
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}
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if (m_ds) {
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m_ds->Release();
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m_ds = 0;
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}
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::CoUninitialize();
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}
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void DSoundPlay::put(const DataBlock& data)
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{
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if (!m_dsb)
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return;
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lock();
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if (m_buf.length() + data.length() <= s_maxsize)
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m_buf += data;
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else
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Debug(&__plugin,DebugMild,"DSoundPlay skipped %u bytes, buffer is full",data.length());
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unlock();
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}
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DSoundRec::DSoundRec(DSoundSource* owner, LPGUID device)
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: Thread("DirectSound Rec",High),
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m_owner(owner), m_device(device), m_ds(0), m_dsb(0),
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m_buffSize(0), m_readPos(0), m_start(0), m_total(0)
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{
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}
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DSoundRec::~DSoundRec()
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{
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if (m_owner)
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m_owner->m_dsound = 0;
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if (m_start && m_total) {
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unsigned int rate = (unsigned int)(m_total * 1000000 / (Time::now() - m_start));
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Debug(&__plugin,DebugInfo,"DSoundRec transferred %u bytes/s, total " FMT64U,rate,m_total);
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}
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}
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bool DSoundRec::init()
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{
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HRESULT hr;
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if (FAILED(hr = ::CoInitializeEx(NULL,COINIT_MULTITHREADED))) {
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Debug(DebugGoOn,"Could not initialize the COM library, code 0x%X",hr);
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return false;
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}
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if (FAILED(hr = ::CoCreateInstance(CLSID_DirectSoundCapture, NULL, CLSCTX_INPROC_SERVER,
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IID_IDirectSoundCapture, (void**)&m_ds)) || !m_ds) {
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Debug(DebugGoOn,"Could not create the DirectSoundCapture object, code 0x%X",hr);
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return false;
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}
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if (FAILED(hr = m_ds->Initialize(m_device))) {
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Debug(DebugGoOn,"Could not initialize the DirectSoundCapture object, code 0x%X",hr);
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return false;
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}
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WAVEFORMATEX fmt;
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fmt.wFormatTag = WAVE_FORMAT_PCM;
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fmt.nChannels = 1;
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fmt.nSamplesPerSec = 8000;
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fmt.nAvgBytesPerSec = 16000;
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fmt.nBlockAlign = 2;
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fmt.wBitsPerSample = 16;
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fmt.cbSize = 0;
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DSCBUFFERDESC bdesc;
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ZeroMemory(&bdesc, sizeof(bdesc));
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bdesc.dwSize = sizeof(bdesc);
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bdesc.dwFlags = DSCBCAPS_WAVEMAPPED;
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bdesc.dwBufferBytes = s_bufsize;
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bdesc.lpwfxFormat = &fmt;
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if (FAILED(hr = m_ds->CreateCaptureBuffer(&bdesc, &m_dsb, NULL)) || !m_dsb) {
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Debug(DebugGoOn,"Could not create the DirectSoundCapture buffer, code 0x%X",hr);
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return false;
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}
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if (FAILED(hr = m_dsb->GetFormat(&fmt,sizeof(fmt),0))) {
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Debug(DebugGoOn,"Could not get the DirectSoundCapture buffer format, code 0x%X",hr);
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return false;
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}
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if ((fmt.wFormatTag != WAVE_FORMAT_PCM) ||
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(fmt.nChannels != 1) ||
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(fmt.nSamplesPerSec != 8000) ||
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(fmt.wBitsPerSample != 16)) {
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Debug(DebugGoOn,"DirectSoundCapture does not support 8000Hz 16bit mono PCM format, "
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"got fmt=%u, chans=%d samp=%d size=%u",
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fmt.wFormatTag,fmt.nChannels,fmt.nSamplesPerSec,fmt.wBitsPerSample);
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return false;
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}
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DSCBCAPS caps;
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caps.dwSize = sizeof(caps);
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if (FAILED(hr = m_dsb->GetCaps(&caps))) {
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Debug(DebugGoOn,"Could not get the DirectSoundCapture buffer capabilities, code 0x%X",hr);
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return false;
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}
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m_buffSize = caps.dwBufferBytes;
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Debug(&__plugin,DebugInfo,"DirectSoundCapture buffer size %u",m_buffSize);
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if (FAILED(hr = m_dsb->Start(DSCBSTART_LOOPING))) {
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Debug(DebugGoOn,"Could not record to the DirectSoundCapture buffer, code 0x%X",hr);
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return false;
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}
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return true;
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}
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void DSoundRec::run()
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{
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if (!init())
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return;
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if (m_owner)
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m_owner->m_dsound = this;
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Debug(&__plugin,DebugInfo,"DSoundRec is initialized and running");
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m_start = Time::now();
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while (m_owner) {
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msleep(1,true);
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if (m_dsb) {
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DWORD pos = 0;
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if (FAILED(m_dsb->GetCurrentPosition(0,&pos)))
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continue;
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if (pos < m_readPos)
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pos += m_buffSize;
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pos -= m_readPos;
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if (pos < s_chunk)
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continue;
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void* buf = 0;
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void* buf2 = 0;
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DWORD len = 0;
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DWORD len2 = 0;
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if (FAILED(m_dsb->Lock(m_readPos,s_chunk,&buf,&len,&buf2,&len2,0)))
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continue;
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DataBlock data(0,len+len2);
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::memcpy(data.data(),buf,len);
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if (buf2)
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::memcpy(((char*)data.data())+len,buf2,len2);
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m_dsb->Unlock(buf,len,buf2,len2);
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m_total += (len+len2);
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m_readPos += (len+len2);
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if (m_readPos >= m_buffSize)
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m_readPos -= m_buffSize;
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if (m_owner)
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m_owner->Forward(data);
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}
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}
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}
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void DSoundRec::cleanup()
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{
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Debug(&__plugin,DebugInfo,"DSoundRec cleaning up");
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if (m_dsb) {
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m_dsb->Stop();
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m_dsb->Release();
|
|
m_dsb = 0;
|
|
}
|
|
if (m_ds) {
|
|
m_ds->Release();
|
|
m_ds = 0;
|
|
}
|
|
::CoUninitialize();
|
|
}
|
|
|
|
DSoundSource::DSoundSource()
|
|
: m_dsound(0)
|
|
{
|
|
DSoundRec* ds = new DSoundRec(this);
|
|
ds->startup();
|
|
}
|
|
|
|
DSoundSource::~DSoundSource()
|
|
{
|
|
if (m_dsound)
|
|
m_dsound->terminate();
|
|
}
|
|
|
|
DSoundConsumer::DSoundConsumer()
|
|
: m_dsound(0)
|
|
{
|
|
DSoundPlay* ds = new DSoundPlay(this);
|
|
ds->startup();
|
|
}
|
|
|
|
DSoundConsumer::~DSoundConsumer()
|
|
{
|
|
if (m_dsound)
|
|
m_dsound->terminate();
|
|
}
|
|
|
|
void DSoundConsumer::Consume(const DataBlock &data, unsigned long tStamp)
|
|
{
|
|
if (m_dsound)
|
|
m_dsound->put(data);
|
|
}
|
|
|
|
DSoundChan::DSoundChan()
|
|
: Channel(__plugin)
|
|
{
|
|
Debug(this,DebugAll,"DSoundChan::DSoundChan() [%p]",this);
|
|
|
|
setConsumer(new DSoundConsumer);
|
|
getConsumer()->deref();
|
|
Thread::msleep(50);
|
|
setSource(new DSoundSource);
|
|
getSource()->deref();
|
|
Thread::msleep(50);
|
|
}
|
|
|
|
DSoundChan::~DSoundChan()
|
|
{
|
|
Debug(this,DebugAll,"DSoundChan::~DSoundChan() [%p]",this);
|
|
}
|
|
|
|
bool AttachHandler::received(Message &msg)
|
|
{
|
|
int more = 2;
|
|
|
|
String src(msg.getValue("source"));
|
|
if (src.null())
|
|
more--;
|
|
else if (!src.startSkip("dsound/",false))
|
|
src = "";
|
|
|
|
String cons(msg.getValue("consumer"));
|
|
if (cons.null())
|
|
more--;
|
|
else if (!cons.startSkip("dsound/",false))
|
|
cons = "";
|
|
|
|
if (src.null() && cons.null())
|
|
return false;
|
|
|
|
DataEndpoint *dd = static_cast<DataEndpoint*>(msg.userObject("DataEndpoint"));
|
|
if (!dd) {
|
|
CallEndpoint *ch = static_cast<CallEndpoint*>(msg.userObject("CallEndpoint"));
|
|
if (ch)
|
|
dd = ch->setEndpoint();
|
|
}
|
|
if (!dd) {
|
|
Debug(&__plugin,DebugWarn,"DSound attach request with no control or data channel!");
|
|
return false;
|
|
}
|
|
|
|
if (cons) {
|
|
DSoundConsumer* c = new DSoundConsumer;
|
|
dd->setConsumer(c);
|
|
c->deref();
|
|
Thread::msleep(50);
|
|
}
|
|
|
|
if (src) {
|
|
DSoundSource* s = new DSoundSource;
|
|
dd->setSource(s);
|
|
s->deref();
|
|
Thread::msleep(50);
|
|
}
|
|
|
|
|
|
// Stop dispatching if we handled all requested
|
|
return !more;
|
|
}
|
|
|
|
bool SoundDriver::msgExecute(Message& msg, String& dest)
|
|
{
|
|
CallEndpoint* ch = static_cast<CallEndpoint*>(msg.userData());
|
|
if (ch) {
|
|
DSoundChan *ds = new DSoundChan;
|
|
if (ch->connect(ds,msg.getValue("reason"))) {
|
|
msg.setParam("peerid",ds->id());
|
|
ds->deref();
|
|
}
|
|
else {
|
|
ds->destruct();
|
|
return false;
|
|
}
|
|
}
|
|
else {
|
|
Message m("call.route");
|
|
m.addParam("module",name());
|
|
String callto(msg.getValue("direct"));
|
|
if (callto.null()) {
|
|
const char *targ = msg.getValue("target");
|
|
if (!targ) {
|
|
Debug(&__plugin,DebugWarn,"DSound outgoing call with no target!");
|
|
return false;
|
|
}
|
|
callto = msg.getValue("caller");
|
|
if (callto.null())
|
|
callto << prefix() << dest;
|
|
m.addParam("called",targ);
|
|
m.addParam("caller",callto);
|
|
if (!Engine::dispatch(m)) {
|
|
Debug(&__plugin,DebugWarn,"DSound outgoing call but no route!");
|
|
return false;
|
|
}
|
|
callto = m.retValue();
|
|
m.retValue().clear();
|
|
}
|
|
m = "call.execute";
|
|
m.addParam("callto",callto);
|
|
DSoundChan *ds = new DSoundChan;
|
|
m.setParam("targetid",ds->id());
|
|
m.userData(ds);
|
|
if (Engine::dispatch(m)) {
|
|
ds->deref();
|
|
return true;
|
|
}
|
|
Debug(&__plugin,DebugWarn,"DSound outgoing call not accepted!");
|
|
ds->destruct();
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
SoundDriver::SoundDriver()
|
|
: Driver("dsound","misc"),
|
|
m_handler(0)
|
|
{
|
|
Output("Loaded module DirectSound");
|
|
}
|
|
|
|
SoundDriver::~SoundDriver()
|
|
{
|
|
Output("Unloading module DirectSound");
|
|
channels().clear();
|
|
}
|
|
|
|
void SoundDriver::initialize()
|
|
{
|
|
Output("Initializing module DirectSound");
|
|
setup(0,true); // no need to install notifications
|
|
Driver::initialize();
|
|
if (!m_handler) {
|
|
Configuration cfg(Engine::configFile("dsoundchan"));
|
|
s_chunk = cfg.getIntValue("general","chunk",CHUNK_SIZE);
|
|
// make sure the chunk is even sized and has some decent limits (20-50 ms)
|
|
s_chunk &= ~1;
|
|
if (s_chunk < 320)
|
|
s_chunk = 320;
|
|
if (s_chunk > 800)
|
|
s_chunk = 800;
|
|
s_minsize = cfg.getIntValue("general","minsize",2*s_chunk);
|
|
s_bufsize = cfg.getIntValue("general","bufsize",4*s_chunk);
|
|
s_maxsize = cfg.getIntValue("general","maxsize",5*s_chunk);
|
|
// the buffer MUST hold at least one chunk and about 15ms of audio - we allow 30
|
|
if (s_bufsize < s_chunk + 480)
|
|
s_bufsize = s_chunk + 480;
|
|
// also keep it under 2s and even sized
|
|
if (s_bufsize > 32000)
|
|
s_bufsize = 32000;
|
|
s_bufsize &= ~1;
|
|
// make sure playback can ever start
|
|
if (s_minsize > s_bufsize - s_chunk)
|
|
s_minsize = s_bufsize - s_chunk;
|
|
// and that we don't do stupid drops
|
|
if (s_maxsize < s_bufsize + s_chunk)
|
|
s_maxsize = s_bufsize + s_chunk;
|
|
// prefer primary buffer as we try to retain control of audio board
|
|
s_primary = cfg.getBoolValue("general","primary",true);
|
|
m_handler = new AttachHandler;
|
|
Engine::install(m_handler);
|
|
}
|
|
}
|
|
|
|
#endif /* _WINDOWS */
|
|
|
|
/* vi: set ts=8 sw=4 sts=4 noet: */
|