Sweden-Number/dlls/msacm/stream.c

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/* -*- tab-width: 8; c-basic-offset: 4 -*- */
/*
* MSACM32 library
*
* Copyright 1998 Patrik Stridvall
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* 1999 Eric Pouech
*/
/* TODO
* + asynchronous conversion is not implemented
* + callback/notification
* * acmStreamMessage
* + properly close ACM streams
*/
#include "winbase.h"
#include "winerror.h"
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#include "windef.h"
#include "debugtools.h"
#include "mmsystem.h"
#include "msacm.h"
#include "msacmdrv.h"
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#include "wineacm.h"
DEFAULT_DEBUG_CHANNEL(msacm);
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static PWINE_ACMSTREAM ACM_GetStream(HACMSTREAM has)
{
return (PWINE_ACMSTREAM)has;
}
/***********************************************************************
* acmStreamClose (MSACM32.37)
*/
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MMRESULT WINAPI acmStreamClose(HACMSTREAM has, DWORD fdwClose)
{
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PWINE_ACMSTREAM was;
MMRESULT ret;
TRACE("(0x%08x, %ld)\n", has, fdwClose);
if ((was = ACM_GetStream(has)) == NULL) {
return MMSYSERR_INVALHANDLE;
}
ret = SendDriverMessage(was->pDrv->hDrvr, ACMDM_STREAM_CLOSE, (DWORD)&was->drvInst, 0);
if (ret == MMSYSERR_NOERROR) {
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if (was->hAcmDriver)
acmDriverClose(was->hAcmDriver, 0L);
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HeapFree(MSACM_hHeap, 0, was);
}
TRACE("=> (%d)\n", ret);
return ret;
}
/***********************************************************************
* acmStreamConvert (MSACM32.38)
*/
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MMRESULT WINAPI acmStreamConvert(HACMSTREAM has, PACMSTREAMHEADER pash,
DWORD fdwConvert)
{
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PWINE_ACMSTREAM was;
MMRESULT ret = MMSYSERR_NOERROR;
PACMDRVSTREAMHEADER padsh;
TRACE("(0x%08x, %p, %ld)\n", has, pash, fdwConvert);
if ((was = ACM_GetStream(has)) == NULL)
return MMSYSERR_INVALHANDLE;
if (!pash || pash->cbStruct < sizeof(ACMSTREAMHEADER))
return MMSYSERR_INVALPARAM;
if (!(pash->fdwStatus & ACMSTREAMHEADER_STATUSF_PREPARED))
return ACMERR_UNPREPARED;
/* Note: the ACMSTREAMHEADER and ACMDRVSTREAMHEADER structs are of same
* size. some fields are private to msacm internals, and are exposed
* in ACMSTREAMHEADER in the dwReservedDriver array
*/
padsh = (PACMDRVSTREAMHEADER)pash;
/* check that pointers have not been modified */
if (padsh->pbPreparedSrc != padsh->pbSrc ||
padsh->cbPreparedSrcLength < padsh->cbSrcLength ||
padsh->pbPreparedDst != padsh->pbDst ||
padsh->cbPreparedDstLength < padsh->cbDstLength) {
return MMSYSERR_INVALPARAM;
}
padsh->fdwConvert = fdwConvert;
ret = SendDriverMessage(was->pDrv->hDrvr, ACMDM_STREAM_CONVERT, (DWORD)&was->drvInst, (DWORD)padsh);
if (ret == MMSYSERR_NOERROR) {
padsh->fdwStatus |= ACMSTREAMHEADER_STATUSF_DONE;
}
TRACE("=> (%d)\n", ret);
return ret;
}
/***********************************************************************
* acmStreamMessage (MSACM32.39)
*/
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MMRESULT WINAPI acmStreamMessage(HACMSTREAM has, UINT uMsg, LPARAM lParam1,
LPARAM lParam2)
{
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FIXME("(0x%08x, %u, %ld, %ld): stub\n", has, uMsg, lParam1, lParam2);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return MMSYSERR_ERROR;
}
/***********************************************************************
* acmStreamOpen (MSACM32.40)
*/
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MMRESULT WINAPI acmStreamOpen(PHACMSTREAM phas, HACMDRIVER had, PWAVEFORMATEX pwfxSrc,
PWAVEFORMATEX pwfxDst, PWAVEFILTER pwfltr, DWORD dwCallback,
DWORD dwInstance, DWORD fdwOpen)
{
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PWINE_ACMSTREAM was;
PWINE_ACMDRIVER wad;
MMRESULT ret;
int wfxSrcSize;
int wfxDstSize;
TRACE("(%p, 0x%08x, %p, %p, %p, %ld, %ld, %ld)\n",
phas, had, pwfxSrc, pwfxDst, pwfltr, dwCallback, dwInstance, fdwOpen);
TRACE("src [wFormatTag=%u, nChannels=%u, nSamplesPerSec=%lu, nAvgBytesPerSec=%lu, 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=%lu, nAvgBytesPerSec=%lu, nBlockAlign=%u, wBitsPerSample=%u, cbSize=%u]\n",
pwfxDst->wFormatTag, pwfxDst->nChannels, pwfxDst->nSamplesPerSec, pwfxDst->nAvgBytesPerSec,
pwfxDst->nBlockAlign, pwfxDst->wBitsPerSample, pwfxDst->cbSize);
if ((fdwOpen & ACM_STREAMOPENF_QUERY) && phas) return MMSYSERR_INVALPARAM;
if (pwfltr && (pwfxSrc->wFormatTag != pwfxDst->wFormatTag)) 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;
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was = HeapAlloc(MSACM_hHeap, 0, sizeof(*was) + wfxSrcSize + wfxDstSize + ((pwfltr) ? sizeof(WAVEFILTER) : 0));
if (was == NULL)
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;
was->drvInst.has = (HACMSTREAM)was;
if (had) {
if (!(wad = MSACM_GetDriver(had))) {
ret = MMSYSERR_INVALPARAM;
goto errCleanUp;
}
was->obj.dwType = WINE_ACMOBJ_STREAM;
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was->obj.pACMDriverID = wad->obj.pACMDriverID;
was->pDrv = wad;
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was->hAcmDriver = 0; /* not to close it in acmStreamClose */
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ret = SendDriverMessage(wad->hDrvr, ACMDM_STREAM_OPEN, (DWORD)&was->drvInst, 0L);
if (ret != MMSYSERR_NOERROR)
goto errCleanUp;
} else {
PWINE_ACMDRIVERID wadi;
ret = ACMERR_NOTPOSSIBLE;
for (wadi = MSACM_pFirstACMDriverID; wadi; wadi = wadi->pNextACMDriverID) {
ret = acmDriverOpen(&had, (HACMDRIVERID)wadi, 0L);
if (ret == MMSYSERR_NOERROR) {
if ((wad = MSACM_GetDriver(had)) != 0) {
was->obj.dwType = WINE_ACMOBJ_STREAM;
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was->obj.pACMDriverID = wad->obj.pACMDriverID;
was->pDrv = wad;
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was->hAcmDriver = had;
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ret = SendDriverMessage(wad->hDrvr, ACMDM_STREAM_OPEN, (DWORD)&was->drvInst, 0L);
if (ret == MMSYSERR_NOERROR) {
if (fdwOpen & ACM_STREAMOPENF_QUERY) {
acmDriverClose(had, 0L);
}
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break;
}
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}
/* 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;
if (!(fdwOpen & ACM_STREAMOPENF_QUERY)) {
if (phas)
*phas = (HACMSTREAM)was;
TRACE("=> (%d)\n", ret);
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return ret;
}
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errCleanUp:
if (phas)
*phas = (HACMSTREAM)0;
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HeapFree(MSACM_hHeap, 0, was);
TRACE("=> (%d)\n", ret);
return ret;
}
/***********************************************************************
* acmStreamPrepareHeader (MSACM32.41)
*/
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MMRESULT WINAPI acmStreamPrepareHeader(HACMSTREAM has, PACMSTREAMHEADER pash,
DWORD fdwPrepare)
{
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PWINE_ACMSTREAM was;
MMRESULT ret = MMSYSERR_NOERROR;
PACMDRVSTREAMHEADER padsh;
TRACE("(0x%08x, %p, %ld)\n", has, pash, fdwPrepare);
if ((was = ACM_GetStream(has)) == NULL)
return MMSYSERR_INVALHANDLE;
if (!pash || pash->cbStruct < sizeof(ACMSTREAMHEADER))
return MMSYSERR_INVALPARAM;
if (fdwPrepare)
ret = MMSYSERR_INVALFLAG;
if (pash->fdwStatus & ACMSTREAMHEADER_STATUSF_DONE)
return MMSYSERR_NOERROR;
/* Note: the ACMSTREAMHEADER and ACMDRVSTREAMHEADER structs are of same
* size. some fields are private to msacm internals, and are exposed
* in ACMSTREAMHEADER in the dwReservedDriver array
*/
padsh = (PACMDRVSTREAMHEADER)pash;
padsh->fdwConvert = fdwPrepare;
padsh->padshNext = NULL;
padsh->fdwDriver = padsh->dwDriver = 0L;
padsh->fdwPrepared = 0;
padsh->dwPrepared = 0;
padsh->pbPreparedSrc = 0;
padsh->cbPreparedSrcLength = 0;
padsh->pbPreparedDst = 0;
padsh->cbPreparedDstLength = 0;
ret = SendDriverMessage(was->pDrv->hDrvr, ACMDM_STREAM_PREPARE, (DWORD)&was->drvInst, (DWORD)padsh);
if (ret == MMSYSERR_NOERROR || ret == MMSYSERR_NOTSUPPORTED) {
ret = MMSYSERR_NOERROR;
padsh->fdwStatus &= ~(ACMSTREAMHEADER_STATUSF_DONE|ACMSTREAMHEADER_STATUSF_INQUEUE);
padsh->fdwStatus |= ACMSTREAMHEADER_STATUSF_PREPARED;
padsh->fdwPrepared = padsh->fdwStatus;
padsh->dwPrepared = 0;
padsh->pbPreparedSrc = padsh->pbSrc;
padsh->cbPreparedSrcLength = padsh->cbSrcLength;
padsh->pbPreparedDst = padsh->pbDst;
padsh->cbPreparedDstLength = padsh->cbDstLength;
} else {
padsh->fdwPrepared = 0;
padsh->dwPrepared = 0;
padsh->pbPreparedSrc = 0;
padsh->cbPreparedSrcLength = 0;
padsh->pbPreparedDst = 0;
padsh->cbPreparedDstLength = 0;
}
TRACE("=> (%d)\n", ret);
return ret;
}
/***********************************************************************
* acmStreamReset (MSACM32.42)
*/
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MMRESULT WINAPI acmStreamReset(HACMSTREAM has, DWORD fdwReset)
{
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PWINE_ACMSTREAM was;
MMRESULT ret = MMSYSERR_NOERROR;
TRACE("(0x%08x, %ld)\n", has, fdwReset);
if (fdwReset) {
ret = MMSYSERR_INVALFLAG;
} else if ((was = ACM_GetStream(has)) == NULL) {
return MMSYSERR_INVALHANDLE;
} else if (was->drvInst.fdwOpen & ACM_STREAMOPENF_ASYNC) {
ret = SendDriverMessage(was->pDrv->hDrvr, ACMDM_STREAM_RESET, (DWORD)&was->drvInst, 0);
}
TRACE("=> (%d)\n", ret);
return ret;
}
/***********************************************************************
* acmStreamSize (MSACM32.43)
*/
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MMRESULT WINAPI acmStreamSize(HACMSTREAM has, DWORD cbInput,
LPDWORD pdwOutputBytes, DWORD fdwSize)
{
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PWINE_ACMSTREAM was;
ACMDRVSTREAMSIZE adss;
MMRESULT ret;
TRACE("(0x%08x, %ld, %p, %ld)\n", has, cbInput, pdwOutputBytes, fdwSize);
if ((was = ACM_GetStream(has)) == NULL) {
return MMSYSERR_INVALHANDLE;
}
if ((fdwSize & ~ACM_STREAMSIZEF_QUERYMASK) != 0) {
return MMSYSERR_INVALFLAG;
}
*pdwOutputBytes = 0L;
switch (fdwSize & ACM_STREAMSIZEF_QUERYMASK) {
case ACM_STREAMSIZEF_DESTINATION:
adss.cbDstLength = cbInput;
adss.cbSrcLength = 0;
break;
case ACM_STREAMSIZEF_SOURCE:
adss.cbSrcLength = cbInput;
adss.cbDstLength = 0;
break;
default:
return MMSYSERR_INVALFLAG;
}
adss.cbStruct = sizeof(adss);
adss.fdwSize = fdwSize;
ret = SendDriverMessage(was->pDrv->hDrvr, ACMDM_STREAM_SIZE,
(DWORD)&was->drvInst, (DWORD)&adss);
if (ret == MMSYSERR_NOERROR) {
switch (fdwSize & ACM_STREAMSIZEF_QUERYMASK) {
case ACM_STREAMSIZEF_DESTINATION:
*pdwOutputBytes = adss.cbSrcLength;
break;
case ACM_STREAMSIZEF_SOURCE:
*pdwOutputBytes = adss.cbDstLength;
break;
}
}
TRACE("=> (%d) [%lu]\n", ret, *pdwOutputBytes);
return ret;
}
/***********************************************************************
* acmStreamUnprepareHeader (MSACM32.44)
*/
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MMRESULT WINAPI acmStreamUnprepareHeader(HACMSTREAM has, PACMSTREAMHEADER pash,
DWORD fdwUnprepare)
{
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PWINE_ACMSTREAM was;
MMRESULT ret = MMSYSERR_NOERROR;
PACMDRVSTREAMHEADER padsh;
TRACE("(0x%08x, %p, %ld)\n", has, pash, fdwUnprepare);
if ((was = ACM_GetStream(has)) == NULL)
return MMSYSERR_INVALHANDLE;
if (!pash || pash->cbStruct < sizeof(ACMSTREAMHEADER))
return MMSYSERR_INVALPARAM;
if (!(pash->fdwStatus & ACMSTREAMHEADER_STATUSF_PREPARED))
return ACMERR_UNPREPARED;
/* Note: the ACMSTREAMHEADER and ACMDRVSTREAMHEADER structs are of same
* size. some fields are private to msacm internals, and are exposed
* in ACMSTREAMHEADER in the dwReservedDriver array
*/
padsh = (PACMDRVSTREAMHEADER)pash;
/* check that pointers have not been modified */
if (padsh->pbPreparedSrc != padsh->pbSrc ||
padsh->cbPreparedSrcLength < padsh->cbSrcLength ||
padsh->pbPreparedDst != padsh->pbDst ||
padsh->cbPreparedDstLength < padsh->cbDstLength) {
return MMSYSERR_INVALPARAM;
}
padsh->fdwConvert = fdwUnprepare;
ret = SendDriverMessage(was->pDrv->hDrvr, ACMDM_STREAM_UNPREPARE, (DWORD)&was->drvInst, (DWORD)padsh);
if (ret == MMSYSERR_NOERROR || ret == MMSYSERR_NOTSUPPORTED) {
ret = MMSYSERR_NOERROR;
padsh->fdwStatus &= ~(ACMSTREAMHEADER_STATUSF_DONE|ACMSTREAMHEADER_STATUSF_INQUEUE|ACMSTREAMHEADER_STATUSF_PREPARED);
}
TRACE("=> (%d)\n", ret);
return ret;
}