/***********************************************************************
* acmFormatTagDetailsW (MSACM32.@)
*/
MMRESULT WINAPI acmFormatTagDetailsW(HACMDRIVER had, PACMFORMATTAGDETAILSW paftd,
DWORD fdwDetails)
{
PWINE_ACMDRIVERID padid;
MMRESULT mmr = ACMERR_NOTPOSSIBLE;
TRACE("(%p, %p, %d)\n", had, paftd, fdwDetails);
if (fdwDetails & ~(ACM_FORMATTAGDETAILSF_FORMATTAG|ACM_FORMATTAGDETAILSF_INDEX|
ACM_FORMATTAGDETAILSF_LARGESTSIZE))
return MMSYSERR_INVALFLAG;
switch (fdwDetails) {
case ACM_FORMATTAGDETAILSF_FORMATTAG:
if (had == NULL) {
for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID) {
/* should check for codec only */
if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) &&
MSACM_FindFormatTagInCache(padid, paftd->dwFormatTag, NULL) &&
acmDriverOpen(&had, (HACMDRIVERID)padid, 0) == 0) {
mmr = MSACM_Message(had, ACMDM_FORMATTAG_DETAILS, (LPARAM)paftd, fdwDetails);
acmDriverClose(had, 0);
if (mmr == MMSYSERR_NOERROR) break;
}
}
} else {
PWINE_ACMDRIVER pad = MSACM_GetDriver(had);
if (pad && MSACM_FindFormatTagInCache(pad->obj.pACMDriverID, paftd->dwFormatTag, NULL))
mmr = MSACM_Message(had, ACMDM_FORMATTAG_DETAILS, (LPARAM)paftd, fdwDetails);
}
break;
case ACM_FORMATTAGDETAILSF_INDEX:
if (had != NULL) {
PWINE_ACMDRIVER pad = MSACM_GetDriver(had);
if (pad && paftd->dwFormatTagIndex < pad->obj.pACMDriverID->cFormatTags)
mmr = MSACM_Message(had, ACMDM_FORMATTAG_DETAILS, (LPARAM)paftd, fdwDetails);
}
break;
case ACM_FORMATTAGDETAILSF_LARGESTSIZE:
if (had == NULL) {
ACMFORMATTAGDETAILSW tmp;
DWORD ft = paftd->dwFormatTag;
for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID) {
/* should check for codec only */
if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) &&
acmDriverOpen(&had, (HACMDRIVERID)padid, 0) == 0) {
memset(&tmp, 0, sizeof(tmp));
tmp.cbStruct = sizeof(tmp);
tmp.dwFormatTag = ft;
if (MSACM_Message(had, ACMDM_FORMATTAG_DETAILS,
(LPARAM)&tmp, fdwDetails) == MMSYSERR_NOERROR) {
if (mmr == ACMERR_NOTPOSSIBLE ||
paftd->cbFormatSize < tmp.cbFormatSize) {
*paftd = tmp;
mmr = MMSYSERR_NOERROR;
}
}
acmDriverClose(had, 0);
}
}
} else {
mmr = MSACM_Message(had, ACMDM_FORMATTAG_DETAILS, (LPARAM)paftd, fdwDetails);
}
break;
default:
WARN("Unsupported fdwDetails=%08x\n", fdwDetails);
mmr = MMSYSERR_ERROR;
}
if (mmr == MMSYSERR_NOERROR &&
paftd->dwFormatTag == WAVE_FORMAT_PCM && paftd->szFormatTag[0] == 0)
MultiByteToWideChar( CP_ACP, 0, "PCM", -1, paftd->szFormatTag,
sizeof(paftd->szFormatTag)/sizeof(WCHAR) );
return mmr;
}
/***********************************************************************
* acmStreamOpen (MSACM32.@)
*/
MMRESULT WINAPI acmStreamOpen(PHACMSTREAM phas, HACMDRIVER had,
PWAVEFORMATEX pwfxSrc, PWAVEFORMATEX pwfxDst,
PWAVEFILTER pwfltr, DWORD_PTR dwCallback,
DWORD_PTR dwInstance, DWORD fdwOpen)
{
PWINE_ACMSTREAM was;
PWINE_ACMDRIVER wad;
MMRESULT ret;
int wfxSrcSize;
int wfxDstSize;
WAVEFORMATEX wfxSrc, wfxDst;
TRACE("(%p, %p, %p, %p, %p, %ld, %ld, %d)\n",
phas, had, pwfxSrc, pwfxDst, pwfltr, dwCallback, dwInstance, fdwOpen);
/* NOTE: pwfxSrc and/or pwfxDst can point to a structure smaller than
* WAVEFORMATEX so don't use them directly when not sure */
if (pwfxSrc->wFormatTag == WAVE_FORMAT_PCM) {
memcpy(&wfxSrc, pwfxSrc, sizeof(PCMWAVEFORMAT));
wfxSrc.wBitsPerSample = pwfxSrc->wBitsPerSample;
wfxSrc.cbSize = 0;
pwfxSrc = &wfxSrc;
}
if (pwfxDst->wFormatTag == WAVE_FORMAT_PCM) {
memcpy(&wfxDst, pwfxDst, sizeof(PCMWAVEFORMAT));
wfxDst.wBitsPerSample = pwfxDst->wBitsPerSample;
wfxDst.cbSize = 0;
pwfxDst = &wfxDst;
}
TRACE("src [wFormatTag=%u, nChannels=%u, nSamplesPerSec=%u, nAvgBytesPerSec=%u, nBlockAlign=%u, wBitsPerSample=%u, cbSize=%u]\n",
pwfxSrc->wFormatTag, pwfxSrc->nChannels, pwfxSrc->nSamplesPerSec, pwfxSrc->nAvgBytesPerSec,
pwfxSrc->nBlockAlign, pwfxSrc->wBitsPerSample, pwfxSrc->cbSize);
TRACE("dst [wFormatTag=%u, nChannels=%u, nSamplesPerSec=%u, nAvgBytesPerSec=%u, nBlockAlign=%u, wBitsPerSample=%u, cbSize=%u]\n",
pwfxDst->wFormatTag, pwfxDst->nChannels, pwfxDst->nSamplesPerSec, pwfxDst->nAvgBytesPerSec,
pwfxDst->nBlockAlign, pwfxDst->wBitsPerSample, pwfxDst->cbSize);
/* (WS) In query mode, phas should be NULL. If it is not, then instead
* of returning an error we are making sure it is NULL, preventing some
* applications that pass garbage for phas from crashing.
*/
if (fdwOpen & ACM_STREAMOPENF_QUERY) phas = NULL;
if (pwfltr && (pwfxSrc->wFormatTag != pwfxDst->wFormatTag)) {
WARN("invalid parameter\n");
return MMSYSERR_INVALPARAM;
}
wfxSrcSize = wfxDstSize = sizeof(WAVEFORMATEX);
if (pwfxSrc->wFormatTag != WAVE_FORMAT_PCM) wfxSrcSize += pwfxSrc->cbSize;
if (pwfxDst->wFormatTag != WAVE_FORMAT_PCM) wfxDstSize += pwfxDst->cbSize;
was = HeapAlloc(MSACM_hHeap, 0, sizeof(*was) + wfxSrcSize + wfxDstSize +
((pwfltr) ? sizeof(WAVEFILTER) : 0));
if (was == NULL) {
WARN("no memory\n");
return MMSYSERR_NOMEM;
}
was->drvInst.cbStruct = sizeof(was->drvInst);
was->drvInst.pwfxSrc = (PWAVEFORMATEX)((LPSTR)was + sizeof(*was));
memcpy(was->drvInst.pwfxSrc, pwfxSrc, wfxSrcSize);
was->drvInst.pwfxDst = (PWAVEFORMATEX)((LPSTR)was + sizeof(*was) + wfxSrcSize);
memcpy(was->drvInst.pwfxDst, pwfxDst, wfxDstSize);
if (pwfltr) {
was->drvInst.pwfltr = (PWAVEFILTER)((LPSTR)was + sizeof(*was) + wfxSrcSize + wfxDstSize);
memcpy(was->drvInst.pwfltr, pwfltr, sizeof(WAVEFILTER));
} else {
was->drvInst.pwfltr = NULL;
}
was->drvInst.dwCallback = dwCallback;
was->drvInst.dwInstance = dwInstance;
was->drvInst.fdwOpen = fdwOpen;
was->drvInst.fdwDriver = 0L;
was->drvInst.dwDriver = 0L;
/* real value will be stored once ACMDM_STREAM_OPEN succeeds */
was->drvInst.has = 0L;
if (had) {
if (!(wad = MSACM_GetDriver(had))) {
ret = MMSYSERR_INVALPARAM;
goto errCleanUp;
}
was->obj.dwType = WINE_ACMOBJ_STREAM;
was->obj.pACMDriverID = wad->obj.pACMDriverID;
was->pDrv = wad;
was->hAcmDriver = 0; /* not to close it in acmStreamClose */
ret = MSACM_Message((HACMDRIVER)wad, ACMDM_STREAM_OPEN, (LPARAM)&was->drvInst, 0L);
if (ret != MMSYSERR_NOERROR)
goto errCleanUp;
} else {
PWINE_ACMDRIVERID wadi;
ret = ACMERR_NOTPOSSIBLE;
for (wadi = MSACM_pFirstACMDriverID; wadi; wadi = wadi->pNextACMDriverID) {
if ((wadi->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) ||
!MSACM_FindFormatTagInCache(wadi, pwfxSrc->wFormatTag, NULL) ||
!MSACM_FindFormatTagInCache(wadi, pwfxDst->wFormatTag, NULL))
continue;
ret = acmDriverOpen(&had, (HACMDRIVERID)wadi, 0L);
if (ret != MMSYSERR_NOERROR)
continue;
if ((wad = MSACM_GetDriver(had)) != 0) {
was->obj.dwType = WINE_ACMOBJ_STREAM;
was->obj.pACMDriverID = wad->obj.pACMDriverID;
was->pDrv = wad;
was->hAcmDriver = had;
ret = MSACM_Message((HACMDRIVER)wad, ACMDM_STREAM_OPEN, (LPARAM)&was->drvInst, 0L);
TRACE("%s => %08x\n", debugstr_w(wadi->pszDriverAlias), ret);
if (ret == MMSYSERR_NOERROR) {
if (fdwOpen & ACM_STREAMOPENF_QUERY) {
MSACM_Message((HACMDRIVER)wad, ACMDM_STREAM_CLOSE, (LPARAM)&was->drvInst, 0);
acmDriverClose(had, 0L);
}
break;
}
}
/* no match, close this acm driver and try next one */
acmDriverClose(had, 0L);
}
if (ret != MMSYSERR_NOERROR) {
ret = ACMERR_NOTPOSSIBLE;
goto errCleanUp;
}
}
ret = MMSYSERR_NOERROR;
was->drvInst.has = (HACMSTREAM)was;
if (!(fdwOpen & ACM_STREAMOPENF_QUERY)) {
if (phas)
*phas = (HACMSTREAM)was;
TRACE("=> (%d)\n", ret);
return ret;
}
errCleanUp:
if (phas)
*phas = NULL;
HeapFree(MSACM_hHeap, 0, was);
TRACE("=> (%d)\n", ret);
return ret;
}
