e1lama/stk
1
0
Fork 0
mirror of https://github.com/thestk/stk synced 2026-01-18 07:01:53 +00:00
Code Issues Packages Projects Releases Wiki Activity

Version 2.02

Browse Source
This commit is contained in:
Gary Scavone
2013-09-25 11:18:58 +02:00
committed by Stephen Sinclair
parent ea749b71d2
commit 7c0ee03d60
47 changed files with 1888 additions and 696 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
RTSoundIO.cpp
View File

@@ -205,12 +205,17 @@ RTSoundIO :: RTSoundIO(MY_FLOAT srate, int channels)
HWND hWnd;
DWORD dwDataLen;
WAVEFORMATEX wfFormat;
DSBUFFERDESC dsbdDesc;
DSBUFFERDESC dsbdDesc, primarydsbDesc;
LPDIRECTSOUNDBUFFER m_pDSPrimeBuffer;
BYTE *pDSBuffData;
/* Number of buffers of size RT_BUFFER_SIZE to make secondary DS buffer */
int nBufs = 16;
/* Initialize pointers to NULL */
m_pDirectSound = NULL;
m_pDSBuffer = NULL;
m_pDSPrimeBuffer = NULL;
/* Create the DS object */
if ((result = DirectSoundCreate(NULL, &m_pDirectSound, NULL)) != DS_OK)
@@ -225,8 +230,6 @@ RTSoundIO :: RTSoundIO(MY_FLOAT srate, int channels)
exit(0);
}
/* Initialize the DS buffer */
/* Define the wave format structure */
wfFormat.wFormatTag = WAVE_FORMAT_PCM;
wfFormat.nChannels = channels;
@@ -236,15 +239,38 @@ RTSoundIO :: RTSoundIO(MY_FLOAT srate, int channels)
wfFormat.nAvgBytesPerSec = wfFormat.nSamplesPerSec * wfFormat.nBlockAlign;
wfFormat.cbSize = 0;
/* Setup the DS buffer description */
m_cbBufSize = RT_BUFFER_SIZE * sizeof(short) * 8;
/* Setup the primary DS buffer description */
ZeroMemory(&primarydsbDesc, sizeof(DSBUFFERDESC));
primarydsbDesc.dwSize = sizeof(DSBUFFERDESC);
primarydsbDesc.dwFlags = DSBCAPS_PRIMARYBUFFER;
primarydsbDesc.dwBufferBytes = 0;
primarydsbDesc.lpwfxFormat = NULL;
/* Create the primary DS buffer */
if ((result = m_pDirectSound->CreateSoundBuffer(&primarydsbDesc,
&m_pDSPrimeBuffer, NULL)) != DS_OK)
{
fprintf(stderr,"Cannot get the primary DS buffer address!\n");
exit(0);
}
/* Set the primary DS buffer sound format. We have to do this because
the default primary buffer is 8-bit, 22kHz! */
if ((result = m_pDSPrimeBuffer->SetFormat(&wfFormat)) != DS_OK)
{
fprintf(stderr,"Cannot set the primary DS buffer to proper sound format!\n");
exit(0);
}
/* Setup the secondary DS buffer description */
m_cbBufSize = RT_BUFFER_SIZE * sizeof(short) * nBufs;
ZeroMemory(&dsbdDesc, sizeof(DSBUFFERDESC));
dsbdDesc.dwSize = sizeof(DSBUFFERDESC);
dsbdDesc.dwFlags = DSBCAPS_GLOBALFOCUS;
dsbdDesc.dwBufferBytes = m_cbBufSize;
dsbdDesc.lpwfxFormat = &wfFormat;
/* Create the DS buffer */
/* Create the secondary DS buffer */
if ((result = m_pDirectSound->CreateSoundBuffer(&dsbdDesc,
&m_pDSBuffer, NULL)) != DS_OK)
{