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some more ASIO work

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This commit is contained in:
Volker Fischer 2007-12-18 20:52:48 +00:00
parent a9eea99f5a
commit 4889a1d378
3 changed files with 80 additions and 18 deletions
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18
windows/llcon.dsp
View file

@ -70,7 +70,7 @@ LINK32=link.exe
# PROP Ignore_Export_Lib 0
# PROP Target_Dir ""
# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /Yu"stdafx.h" /FD /GZ /c
# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "$(QTDIR)\include" /I "../src" /I "ASIOSDK2/common" /I "ASIOSDK2/host" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "QT_DLL" /D "QT_THREAD_SUPPORT" /FD /GZ /c
# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "$(QTDIR)\include" /I "../src" /I "ASIOSDK2/common" /I "ASIOSDK2/host" /I "ASIOSDK2/host/pc" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "QT_DLL" /D "QT_THREAD_SUPPORT" /FD /GZ /c
# SUBTRACT CPP /YX /Yc /Yu
# ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32
# ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32
@ -172,6 +172,22 @@ SOURCE=.\moc\moc_socket.cpp
SOURCE=.\moc\moc_util.cpp
# End Source File
# End Group
# Begin Group "ASIO"
# PROP Default_Filter ""
# Begin Source File
SOURCE=.\ASIOSDK2\common\asio.cpp
# End Source File
# Begin Source File
SOURCE=.\ASIOSDK2\host\asiodrivers.cpp
# End Source File
# Begin Source File
SOURCE=.\ASIOSDK2\host\pc\asiolist.cpp
# End Source File
# End Group
# Begin Source File
SOURCE=..\src\audiocompr.cpp

61
windows/sound.cpp
View file

@ -31,6 +31,11 @@
/* Implementation *************************************************************/
#ifdef USE_ASIO_SND_INTERFACE
// external references
extern AsioDrivers* asioDrivers;
bool loadAsioDriver ( char *name );
/******************************************************************************\
* Wave in *
\******************************************************************************/
@ -639,21 +644,59 @@ CSound::CSound()
sWaveFormatEx.cbSize = 0;
*/
/*
// get the number of digital audio devices in this computer, check range
iNumDevs = waveInGetNumDevs();
*/
if ( iNumDevs > MAX_NUMBER_SOUND_CARDS )
// get available ASIO driver names in system
char* cDriverNames[MAX_NUMBER_SOUND_CARDS];
for ( i = 0; i < MAX_NUMBER_SOUND_CARDS; i++ )
{
iNumDevs = MAX_NUMBER_SOUND_CARDS;
cDriverNames[i] = new char[32];
}
// at least one device must exist in the system
if ( iNumDevs == 0 )
loadAsioDriver ( "dummy" ); // to initialize external object
const long lNumDetDriv = asioDrivers->getDriverNames ( cDriverNames, MAX_NUMBER_SOUND_CARDS );
// load and initialize first valid ASIO driver
bool bValidDriverDetected = false;
int iCurDriverIdx = 0;
while ( !bValidDriverDetected && iCurDriverIdx < lNumDetDriv )
{
throw CGenErr ( "No audio device found." );
if ( loadAsioDriver ( cDriverNames[iCurDriverIdx] ) )
{
if ( ASIOInit ( &driverInfo ) == ASE_OK )
{
bValidDriverDetected = true;
}
else
{
// driver could not be loaded, free memory
asioDrivers->removeCurrentDriver();
}
}
// try next driver
iCurDriverIdx++;
}
// in case we do not have a driver available, throw error
if ( !bValidDriverDetected )
{
throw CGenErr ( "No suitable ASIO audio device found." );
}
// TEST we only use one driver for a first try
iNumDevs = 1;
pstrDevices[0] = driverInfo.name;
// TEST !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
ASIOExit();
/*
// get info about the devices and store the names

11
windows/sound.h
View file

@ -35,8 +35,8 @@
/* Definitions ****************************************************************/
// switch here between ASIO (Steinberg) or native Windows(TM) sound interface
//#define USE_ASIO_SND_INTERFACE
#undef USE_ASIO_SND_INTERFACE
//#define USE_ASIO_SND_INTERFACE
#define NUM_IN_OUT_CHANNELS 2 /* Stereo recording (but we only
@ -64,6 +64,7 @@
#include "asio.h"
#include "asiodrivers.h"
class CSound
{
public:
@ -97,12 +98,14 @@ protected:
void AddOutBuffer ( int iBufNum );
void GetDoneBuffer ( int& iCntPrepBuf, int& iIndexDoneBuf );
// ASIO stuff
ASIODriverInfo driverInfo;
UINT iNumDevs;
int iNumDevs;
std::string pstrDevices[MAX_NUMBER_SOUND_CARDS];
UINT iCurInDev;
UINT iCurOutDev;
int iCurInDev;
int iCurOutDev;
bool bChangParamIn;
bool bChangParamOut;
int iCurNumSndBufIn;