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Align data to proper size.

This commit is contained in:
Jerry Jenkins 2003-04-07 23:18:31 +00:00 committed by Alexandre Julliard
parent 0412cc55d2
commit 5f4e4a5094
1 changed files with 7 additions and 5 deletions
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12
dlls/dsound/mixer.c
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@ -316,7 +316,7 @@ static void *DSOUND_tmpbuffer(size_t len)
static DWORD DSOUND_MixInBuffer(IDirectSoundBufferImpl *dsb, DWORD writepos, DWORD fraglen)
{
INT i, len, ilen, temp, field;
INT i, len, ilen, temp, field, nBlockAlign;
INT advance = dsb->dsound->wfx.wBitsPerSample >> 3;
BYTE *buf, *ibuf, *obuf;
INT16 *ibufs, *obufs;
@ -329,10 +329,11 @@ static DWORD DSOUND_MixInBuffer(IDirectSoundBufferImpl *dsb, DWORD writepos, DWO
dsb->nAvgBytesPerSec);
len = (len > temp) ? temp : len;
}
len &= ~3; /* 4 byte alignment */
nBlockAlign = dsb->dsound->wfx.nBlockAlign;
len = len / nBlockAlign * nBlockAlign; /* data alignment */
if (len == 0) {
/* This should only happen if we aren't looping and temp < 4 */
/* This should only happen if we aren't looping and temp < nBlockAlign */
return 0;
}
@ -399,12 +400,13 @@ static DWORD DSOUND_MixInBuffer(IDirectSoundBufferImpl *dsb, DWORD writepos, DWO
static void DSOUND_PhaseCancel(IDirectSoundBufferImpl *dsb, DWORD writepos, DWORD len)
{
INT i, ilen, field;
INT i, ilen, field, nBlockAlign;
INT advance = dsb->dsound->wfx.wBitsPerSample >> 3;
BYTE *buf, *ibuf, *obuf;
INT16 *ibufs, *obufs;
len &= ~3; /* 4 byte alignment */
nBlockAlign = dsb->dsound->wfx.nBlockAlign;
len = len / nBlockAlign * nBlockAlign; /* data alignment */
TRACE("allocating buffer (size = %ld)\n", len);
if ((buf = ibuf = (BYTE *) DSOUND_tmpbuffer(len)) == NULL)