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imaadp32: block align the adpcm extra data.

This commit is contained in:
Stefano Guidoni 2009-02-27 19:59:11 +01:00 committed by Alexandre Julliard
parent 5c130c813a
commit c7fb665a92
1 changed files with 24 additions and 8 deletions
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32
dlls/imaadp32.acm/imaadp32.c
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@ -775,6 +775,8 @@ static LRESULT ADPCM_StreamClose(PACMDRVSTREAMINSTANCE adsi)
*/
static LRESULT ADPCM_StreamSize(const ACMDRVSTREAMINSTANCE *adsi, PACMDRVSTREAMSIZE adss)
{
DWORD nblocks;
switch (adss->fdwSize)
{
case ACM_STREAMSIZEF_DESTINATION:
@ -782,14 +784,18 @@ static LRESULT ADPCM_StreamSize(const ACMDRVSTREAMINSTANCE *adsi, PACMDRVSTREAMS
if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
adsi->pwfxDst->wFormatTag == WAVE_FORMAT_IMA_ADPCM)
{
/* don't take block overhead into account, doesn't matter too much */
adss->cbSrcLength = adss->cbDstLength * 4;
nblocks = adss->cbDstLength / adsi->pwfxDst->nBlockAlign;
if (nblocks == 0)
return ACMERR_NOTPOSSIBLE;
adss->cbSrcLength = nblocks * adsi->pwfxSrc->nBlockAlign * ((IMAADPCMWAVEFORMAT*)adsi->pwfxDst)->wSamplesPerBlock;
}
else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_IMA_ADPCM &&
adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
{
FIXME("misses the block header overhead\n");
adss->cbSrcLength = 256 + adss->cbDstLength / 4;
nblocks = adss->cbDstLength / (adsi->pwfxDst->nBlockAlign * ((IMAADPCMWAVEFORMAT*)adsi->pwfxSrc)->wSamplesPerBlock);
if (nblocks == 0)
return ACMERR_NOTPOSSIBLE;
adss->cbSrcLength = nblocks * adsi->pwfxSrc->nBlockAlign;
}
else
{
@ -801,14 +807,24 @@ static LRESULT ADPCM_StreamSize(const ACMDRVSTREAMINSTANCE *adsi, PACMDRVSTREAMS
if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
adsi->pwfxDst->wFormatTag == WAVE_FORMAT_IMA_ADPCM)
{
FIXME("misses the block header overhead\n");
adss->cbDstLength = 256 + adss->cbSrcLength / 4;
nblocks = adss->cbSrcLength / (adsi->pwfxSrc->nBlockAlign * ((IMAADPCMWAVEFORMAT*)adsi->pwfxDst)->wSamplesPerBlock);
if (nblocks == 0)
return ACMERR_NOTPOSSIBLE;
if (adss->cbSrcLength % (adsi->pwfxSrc->nBlockAlign * ((IMAADPCMWAVEFORMAT*)adsi->pwfxDst)->wSamplesPerBlock))
/* Round block count up. */
nblocks++;
adss->cbDstLength = nblocks * adsi->pwfxDst->nBlockAlign;
}
else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_IMA_ADPCM &&
adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
{
/* don't take block overhead into account, doesn't matter too much */
adss->cbDstLength = adss->cbSrcLength * 4;
nblocks = adss->cbSrcLength / adsi->pwfxSrc->nBlockAlign;
if (nblocks == 0)
return ACMERR_NOTPOSSIBLE;
if (adss->cbSrcLength % adsi->pwfxSrc->nBlockAlign)
/* Round block count up. */
nblocks++;
adss->cbDstLength = nblocks * adsi->pwfxDst->nBlockAlign * ((IMAADPCMWAVEFORMAT*)adsi->pwfxSrc)->wSamplesPerBlock;
}
else
{