void
memobj_init(void)
{
unsigned long min_bytes, max_bytes;
unsigned long mem_bytes = GetPhysicalPages() * 0.90 * TILT_PAGESIZE;
unsigned long cache_bytes = GetBcacheSize() * 2;
min_bytes = 2048 * 1024;
min_bytes = Max(min_bytes, cache_bytes);
max_bytes = (unsigned long)INT_MAX;
max_bytes = Min(max_bytes, mem_bytes);
max_bytes = Min(max_bytes, rlimit(RLIMIT_DATA));
max_bytes = Min(max_bytes, rlimit(RLIMIT_AS));
#ifdef RLIMIT_VMEM
max_bytes = Min(max_bytes, rlimit(RLIMIT_VMEM));
#endif
init_int(&MinHeapByte, min_bytes);
init_int(&MaxHeapByte, 0.40 * max_bytes);
assert(MinHeapByte <= MaxHeapByte);
#ifdef sparc
assert(TILT_PAGESIZE == sysconf(_SC_PAGESIZE));
#else
assert(TILT_PAGESIZE == sysconf(_SC_PAGE_SIZE));
#endif
StackInitialize();
HeapInitialize();
GuardStackletSize = TILT_PAGESIZE / kilobyte;
stackletOffset = (GuardStackletSize + MLStackletSize + CStackletSize) *
kilobyte;
primaryStackletOffset = 0;
replicaStackletOffset = stackletOffset;
/* So we don't pay mmap for first thread - general case? XXXX */
{
int i;
Stacklet_t *temp[5];
for (i=0; i<5; i++)
temp[i] = Stacklet_Alloc(NULL);
for (i=0; i<5; i++)
Stacklet_Dealloc(temp[i]);
}
}
void CTestPage::StartPlayback( void )
/////////////////////////////////////////////////////////////////////////////
{
ULONG ulBytesRequested, ulCircularBufferSize, ulBytesTransfered;
LONG lBufferSize;
PHALWAVEDEVICE pHD;
PWAVEFORMATEX pFormatEx;
if( m_nPlayMode != MODE_STOP )
return;
m_nPlayDevice = m_PlayDevice.GetCurSel();
DPF(("Starting Play Device %d\n", m_nPlayDevice ));
pHD = m_pHalAdapter->GetWaveOutDevice( m_nPlayDevice );
if( !m_WavePlayFile.Open( m_szFileName, MMIO_READ ) )
{
DPF(("Open Failed!\n"));
return;
}
if( !m_WavePlayFile.ReadHeader() )
{
DPF(("ReadHeader Failed!\n"));
return;
}
pFormatEx = m_WavePlayFile.GetFormat();
//DPF(("SetFormat\n"));
pHD->SetFormat( pFormatEx->wFormatTag, pFormatEx->nChannels, pFormatEx->nSamplesPerSec, pFormatEx->wBitsPerSample, pFormatEx->nBlockAlign );
m_lSampleRate = pFormatEx->nSamplesPerSec;
// Get the amount of free space on device
//DPF(("GetTransferSize\n"));
pHD->GetTransferSize( &ulBytesRequested, &ulCircularBufferSize );
ulCircularBufferSize += sizeof(DWORD);
m_ulPlayBufferSize = ulCircularBufferSize;
m_pPlayBuffer = malloc( m_ulPlayBufferSize );
m_ulPlayBufferPages = GetNumberOfPhysicalPages( m_pPlayBuffer, m_ulPlayBufferSize );
GetPhysicalPages( m_pPlayBuffer, m_ulPlayBufferSize, &m_ulPlayBufferPages, m_Pages );
//DPF(("ReadBlock %ld\n", ulBytesRequested ));
lBufferSize = m_WavePlayFile.ReadBlock( (HPSTR)m_pPlayBuffer, ulBytesRequested );
if( lBufferSize == -1 )
{
DPF(("ReadBlock Failed!\n"));
return;
}
//lBufferSize = ulBytesRequested;
// only call the hal if we have audio to transfer
if( lBufferSize )
{
DPF(("T [%ld]", lBufferSize ));
pHD->TransferAudio( m_pPlayBuffer, lBufferSize, &ulBytesTransfered );
//DPF(("Write %ld\n", ulBytesTransfered ));
}
// make sure the limit register get set correctly
//DPF(("TransferComplete\n"));
pHD->TransferComplete( TRUE );
// put the device in MODE_PLAY
//DPF(("Start\n"));
if( pHD->Start() )
{
DPF(("Start Failed!\n"));
}
// change the button to stop
SetDlgItemText( IDC_PLAY, "Stop" );
// set the mode to playing
m_nPlayMode = MODE_RUN;
}
