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imaadp32.acm: Fix block size calculations. 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Andrew Eikum <aeikum@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2017-06-08 10:15:20 -05:00 committed by Alexandre Julliard
parent 0c456ac866
commit 2a1c1a4bac
1 changed files with 2 additions and 9 deletions
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11
dlls/imaadp32.acm/imaadp32.c
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@ -154,7 +154,7 @@ static void init_wfx_ima_adpcm(IMAADPCMWAVEFORMAT* awfx/*, DWORD nba*/)
}
pwfx->cbSize = sizeof(WORD);
awfx->wSamplesPerBlock = (pwfx->nBlockAlign - (4 * pwfx->nChannels) * 2) / pwfx->nChannels + 1;
awfx->wSamplesPerBlock = (pwfx->nBlockAlign - (4 * pwfx->nChannels)) * (2 / pwfx->nChannels) + 1;
pwfx->nAvgBytesPerSec = (pwfx->nSamplesPerSec * pwfx->nBlockAlign) / awfx->wSamplesPerBlock;
}
@ -631,14 +631,7 @@ static LRESULT ADPCM_FormatDetails(PACMFORMATDETAILSW afd, DWORD dwQuery)
afd->pwfx->nChannels = ADPCM_Formats[afd->dwFormatIndex].nChannels;
afd->pwfx->nSamplesPerSec = ADPCM_Formats[afd->dwFormatIndex].rate;
afd->pwfx->wBitsPerSample = ADPCM_Formats[afd->dwFormatIndex].nBits;
afd->pwfx->nBlockAlign = 1024;
/* we got 4 bits per sample */
afd->pwfx->nAvgBytesPerSec =
(afd->pwfx->nSamplesPerSec * 4) / 8;
if (afd->cbwfx >= sizeof(WAVEFORMATEX))
afd->pwfx->cbSize = sizeof(WORD);
if (afd->cbwfx >= sizeof(IMAADPCMWAVEFORMAT))
((IMAADPCMWAVEFORMAT*)afd->pwfx)->wSamplesPerBlock = (1024 - 4 * afd->pwfx->nChannels) * (2 / afd->pwfx->nChannels) + 1;
init_wfx_ima_adpcm((IMAADPCMWAVEFORMAT *)afd->pwfx);
break;
default:
WARN("Unsupported tag %08x\n", afd->dwFormatTag);