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imaadpcm32: Fix source offsets when converting stereo PCM to IMAADPCM. 

Signed-off-by: Andrew Eikum <aeikum@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Andrew Eikum 2016-12-02 08:09:01 -06:00 committed by Alexandre Julliard
parent e59ad5d136
commit 1a6d3c1583
1 changed files with 6 additions and 8 deletions
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14
dlls/imaadp32.acm/imaadp32.c
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@ -431,29 +431,27 @@ static void cvtSS16imaK(PACMDRVSTREAMINSTANCE adsi,
/* generate header */
sampleL = R16(src); src += 2;
W16(dst, sampleL); dst += 2;
*dst = (unsigned char)(unsigned)stepIndexL;
dst += 2;
W16(dst, stepIndexL); dst += 2;
sampleR = R16(src); src += 2;
W16(dst, sampleR); dst += 2;
*dst = (unsigned char)(unsigned)stepIndexR;
dst += 2;
W16(dst, stepIndexR); dst += 2;
for (nsamp = nsamp_blk; nsamp > 0; nsamp -= 8)
{
for (i = 0; i < 4; i++)
{
code1 = generate_nibble(R16(src + (2 * i + 0) * 2 + 0),
code1 = generate_nibble(R16(src + (4 * i + 0) * 2),
&stepIndexL, &sampleL);
code2 = generate_nibble(R16(src + (2 * i + 1) * 2 + 0),
code2 = generate_nibble(R16(src + (4 * i + 2) * 2),
&stepIndexL, &sampleL);
*dst++ = (code1 << 4) | code2;
}
for (i = 0; i < 4; i++)
{
code1 = generate_nibble(R16(src + (2 * i + 0) * 2 + 1),
code1 = generate_nibble(R16(src + (4 * i + 1) * 2),
&stepIndexR, &sampleR);
code2 = generate_nibble(R16(src + (2 * i + 1) * 2 + 1),
code2 = generate_nibble(R16(src + (4 * i + 3) * 2),
&stepIndexR, &sampleR);
*dst++ = (code1 << 4) | code2;
}