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bug fix, finished ASIO implementation

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This commit is contained in:
Volker Fischer 2008-07-17 18:39:24 +00:00
parent 2516cf62f9
commit d8d34e6c5a
3 changed files with 26 additions and 18 deletions
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2
src/global.h
View file

@ -79,7 +79,7 @@
#define DEF_NET_BUF_SIZE_NUM_BL 5 // number of blocks #define DEF_NET_BUF_SIZE_NUM_BL 5 // number of blocks
// number of ticks of audio in/out buffer sliders // number of ticks of audio in/out buffer sliders
# define AUD_SLIDER_LENGTH 6 # define AUD_SLIDER_LENGTH 8
// maximum number of internet connections (channels) // maximum number of internet connections (channels)
// if you want to change this paramter, there has to be done code modifications // if you want to change this paramter, there has to be done code modifications

36
windows/sound.cpp
View file

@ -95,11 +95,31 @@ bool CSound::Read ( CVector<short>& psData )
} }
// wait until enough data is available // wait until enough data is available
int iWaitCount = 0;
while ( iBufferPosCapture < iBufferSizeStereo ) while ( iBufferPosCapture < iBufferSizeStereo )
{ {
if ( bBlockingRec && !bCaptureBufferOverrun ) if ( bBlockingRec )
{
if ( !bCaptureBufferOverrun )
{
// regular case
WaitForSingleObject ( m_ASIOEvent, INFINITE );
}
else
{
// it seems that the buffers are too small, wait
// just one time to avoid CPU to go up to 100% and
// then leave this function
if ( iWaitCount == 0 )
{ {
WaitForSingleObject ( m_ASIOEvent, INFINITE ); WaitForSingleObject ( m_ASIOEvent, INFINITE );
iWaitCount++;
}
else
{
return true;
}
}
} }
else else
{ {
@ -125,7 +145,7 @@ bool CSound::Read ( CVector<short>& psData )
// move all other data in buffer // move all other data in buffer
const int iLenCopyRegion = iBufferPosCapture - iBufferSizeStereo; const int iLenCopyRegion = iBufferPosCapture - iBufferSizeStereo;
for ( i = 0; i < iBufferSizeStereo; i++ ) for ( i = 0; i < iLenCopyRegion; i++ )
{ {
psCaptureBuffer[i] = psCaptureBuffer[iBufferSizeStereo + i]; psCaptureBuffer[i] = psCaptureBuffer[iBufferSizeStereo + i];
} }
@ -306,18 +326,6 @@ void CSound::InitRecordingAndPlayback ( int iNewBufferSize )
} }
} }
// TEST test if requested buffer size is supported by the audio hardware, if not, fire error
if ( iASIOBufferSizeMono != iBufferSizeMono )
{
throw CGenErr ( QString ( "Required sound card buffer size of %1 samples "
"not supported by the audio hardware." ).arg(iBufferSizeMono) );
}
// TEST
//iASIOBufferSizeMono = 256;
// prepare input channels // prepare input channels
for ( i = 0; i < NUM_IN_OUT_CHANNELS; i++ ) for ( i = 0; i < NUM_IN_OUT_CHANNELS; i++ )
{ {

4
windows/sound.h
View file

@ -47,8 +47,8 @@
#define MAX_SND_BUF_IN 100 #define MAX_SND_BUF_IN 100
#define MAX_SND_BUF_OUT 100 #define MAX_SND_BUF_OUT 100
#define NUM_SOUND_BUFFERS_IN 1 #define NUM_SOUND_BUFFERS_IN 4
#define NUM_SOUND_BUFFERS_OUT 1 #define NUM_SOUND_BUFFERS_OUT 4
// maximum number of recognized sound cards installed in the system // maximum number of recognized sound cards installed in the system
#define MAX_NUMBER_SOUND_CARDS 10 #define MAX_NUMBER_SOUND_CARDS 10