afl.c
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:23k
源码类别:
midi
开发平台:
Unix_Linux
- /*
- * $Id: 7cb0eb8f180ed1c925df4f5a39ad37340f83437f $
- *
- * Copyright (C) 1998 Patrick Stridvall
- * Copyright (C) 1999 Eric Pouech
- *
- * Originally distributed under LPGL 2.1 (or later) by the Wine project.
- *
- * Modified for use with MPlayer, detailed CVS changelog at
- * http://www.mplayerhq.hu/cgi-bin/cvsweb.cgi/main/
- *
- * File now distributed as part of VLC media player with no modifications.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- */
- /**************************************************************************
- This file will contain an interface to ACM drivers.
- Its content will be based mainly on wine/dlls/msacm32
- actually, for audio decompression only the following functions
- are needed:
- acmStreamOpen ( takes formats of src and dest, returns stream handle )
- acmStreamPrepareHeader ( takes stream handler and info on data )
- acmStreamConvert ( the same as PrepareHeader )
- acmStreamUnprepareHeader
- acmStreamClose
- acmStreamSize
- maybe acmStreamReset
- In future I'll also add functions for format enumeration,
- but not right now.
- Modified for use with MPlayer, detailed CVS changelog at
- http://www.mplayerhq.hu/cgi-bin/cvsweb.cgi/main/
- ***************************************************************************/
- #include "config.h"
- #include "wine/winbase.h"
- #include "wine/windef.h"
- #include "wine/winuser.h"
- #include "wine/vfw.h"
- #include "wine/winestring.h"
- #include "wine/driver.h"
- #include "wine/winerror.h"
- #include "wine/msacm.h"
- #include "wine/msacmdrv.h"
- #include "wineacm.h"
- #ifndef __MINGW32__
- #include "ext.h"
- #endif
- #include "driver.h"
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #pragma pack(1)
- #define OpenDriverA DrvOpen
- #define CloseDriver DrvClose
- static inline PWINE_ACMSTREAM ACM_GetStream(HACMSTREAM has)
- {
- return (PWINE_ACMSTREAM)has;
- }
- /***********************************************************************
- * acmDriverAddA (MSACM32.2)
- */
- MMRESULT WINAPI acmDriverAddA(PHACMDRIVERID phadid, HINSTANCE hinstModule,
- LPARAM lParam, DWORD dwPriority, DWORD fdwAdd)
- {
- if (!phadid)
- return MMSYSERR_INVALPARAM;
- /* Check if any unknown flags */
- if (fdwAdd &
- ~(ACM_DRIVERADDF_FUNCTION|ACM_DRIVERADDF_NOTIFYHWND|
- ACM_DRIVERADDF_GLOBAL))
- return MMSYSERR_INVALFLAG;
- /* Check if any incompatible flags */
- if ((fdwAdd & ACM_DRIVERADDF_FUNCTION) &&
- (fdwAdd & ACM_DRIVERADDF_NOTIFYHWND))
- return MMSYSERR_INVALFLAG;
- /* FIXME: in fact, should GetModuleFileName(hinstModule) and do a
- * LoadDriver on it, to be sure we can call SendDriverMessage on the
- * hDrvr handle.
- */
- *phadid = (HACMDRIVERID) MSACM_RegisterDriver(NULL, 0, hinstModule);
- /* FIXME: lParam, dwPriority and fdwAdd ignored */
- return MMSYSERR_NOERROR;
- }
- /***********************************************************************
- * acmDriverClose (MSACM32.4)
- */
- MMRESULT WINAPI acmDriverClose(HACMDRIVER had, DWORD fdwClose)
- {
- PWINE_ACMDRIVER p;
- PWINE_ACMDRIVER* tp;
- if (fdwClose)
- return MMSYSERR_INVALFLAG;
- p = MSACM_GetDriver(had);
- if (!p)
- return MMSYSERR_INVALHANDLE;
- for (tp = &(p->obj.pACMDriverID->pACMDriverList); *tp; *tp = (*tp)->pNextACMDriver) {
- if (*tp == p) {
- *tp = (*tp)->pNextACMDriver;
- break;
- }
- }
- if (p->hDrvr && !p->obj.pACMDriverID->pACMDriverList)
- CloseDriver(p->hDrvr);
- HeapFree(MSACM_hHeap, 0, p);
- return MMSYSERR_NOERROR;
- }
- /***********************************************************************
- * acmDriverEnum (MSACM32.7)
- */
- MMRESULT WINAPI acmDriverEnum(ACMDRIVERENUMCB fnCallback, DWORD dwInstance, DWORD fdwEnum)
- {
- PWINE_ACMDRIVERID p;
- DWORD fdwSupport;
- if (!fnCallback) {
- return MMSYSERR_INVALPARAM;
- }
- if (fdwEnum && ~(ACM_DRIVERENUMF_NOLOCAL|ACM_DRIVERENUMF_DISABLED)) {
- return MMSYSERR_INVALFLAG;
- }
- for (p = MSACM_pFirstACMDriverID; p; p = p->pNextACMDriverID) {
- fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
- if (!p->bEnabled) {
- if (fdwEnum & ACM_DRIVERENUMF_DISABLED)
- fdwSupport |= ACMDRIVERDETAILS_SUPPORTF_DISABLED;
- else
- continue;
- }
- (*fnCallback)((HACMDRIVERID) p, dwInstance, fdwSupport);
- }
- return MMSYSERR_NOERROR;
- }
- /***********************************************************************
- * acmDriverID (MSACM32.8)
- */
- MMRESULT WINAPI acmDriverID(HACMOBJ hao, PHACMDRIVERID phadid, DWORD fdwDriverID)
- {
- PWINE_ACMOBJ pao;
- pao = MSACM_GetObj(hao);
- if (!pao)
- return MMSYSERR_INVALHANDLE;
- if (!phadid)
- return MMSYSERR_INVALPARAM;
- if (fdwDriverID)
- return MMSYSERR_INVALFLAG;
- *phadid = (HACMDRIVERID) pao->pACMDriverID;
- return MMSYSERR_NOERROR;
- }
- /***********************************************************************
- * acmDriverMessage (MSACM32.9)
- * FIXME
- * Not implemented
- */
- LRESULT WINAPI acmDriverMessage(HACMDRIVER had, UINT uMsg, LPARAM lParam1, LPARAM lParam2)
- {
- PWINE_ACMDRIVER pad = MSACM_GetDriver(had);
- if (!pad)
- return MMSYSERR_INVALPARAM;
- /* FIXME: Check if uMsg legal */
- if (!SendDriverMessage(pad->hDrvr, uMsg, lParam1, lParam2))
- return MMSYSERR_NOTSUPPORTED;
- return MMSYSERR_NOERROR;
- }
- /***********************************************************************
- * acmDriverOpen (MSACM32.10)
- */
- MMRESULT WINAPI acmDriverOpen(PHACMDRIVER phad, HACMDRIVERID hadid, DWORD fdwOpen)
- {
- PWINE_ACMDRIVERID padid;
- PWINE_ACMDRIVER pad;
- ICOPEN icopen;
- HDRVR hdrv;
- TRACE("(%p, %x, %08lu)n", phad, hadid, fdwOpen);
- if (!phad)
- return MMSYSERR_INVALPARAM;
- padid = MSACM_GetDriverID(hadid);
- if (!padid)
- return MMSYSERR_INVALHANDLE;
- if (fdwOpen)
- return MMSYSERR_INVALFLAG;
- pad = (PWINE_ACMDRIVER) HeapAlloc(MSACM_hHeap, 0, sizeof(WINE_ACMDRIVER));
- if (!pad)
- return MMSYSERR_NOMEM;
- pad->obj.pACMDriverID = padid;
- icopen.fccType = mmioFOURCC('a', 'u', 'd', 'c');
- icopen.fccHandler = (long)padid->pszFileName;
- icopen.dwSize = sizeof(ICOPEN);
- icopen.dwFlags = 0;
- icopen.pV1Reserved = padid->pszFileName;
- if (!padid->hInstModule)
- pad->hDrvr = OpenDriverA((long)&icopen);
- else
- pad->hDrvr = padid->hInstModule;
- if (!pad->hDrvr) {
- HeapFree(MSACM_hHeap, 0, pad);
- return MMSYSERR_ERROR;
- }
- pad->pfnDriverProc = GetProcAddress(pad->hDrvr, "DriverProc");
- /* insert new pad at beg of list */
- pad->pNextACMDriver = padid->pACMDriverList;
- padid->pACMDriverList = pad;
- /* FIXME: Create a WINE_ACMDRIVER32 */
- *phad = (HACMDRIVER)pad;
- return MMSYSERR_NOERROR;
- }
- /***********************************************************************
- * acmDriverRemove (MSACM32.12)
- */
- MMRESULT WINAPI acmDriverRemove(HACMDRIVERID hadid, DWORD fdwRemove)
- {
- PWINE_ACMDRIVERID padid;
- padid = MSACM_GetDriverID(hadid);
- if (!padid)
- return MMSYSERR_INVALHANDLE;
- if (fdwRemove)
- return MMSYSERR_INVALFLAG;
- MSACM_UnregisterDriver(padid);
- return MMSYSERR_NOERROR;
- }
- /**********************************************************************/
- HANDLE MSACM_hHeap = (HANDLE) NULL;
- PWINE_ACMDRIVERID MSACM_pFirstACMDriverID = NULL;
- PWINE_ACMDRIVERID MSACM_pLastACMDriverID = NULL;
- /***********************************************************************
- * MSACM_RegisterDriver32()
- */
- PWINE_ACMDRIVERID MSACM_RegisterDriver(const char* pszFileName,
- WORD wFormatTag,
- HINSTANCE hinstModule)
- {
- PWINE_ACMDRIVERID padid;
- TRACE("('%s', '%x', 0x%08x)n", pszFileName, wFormatTag, hinstModule);
- #ifndef WIN32_LOADER
- MSACM_hHeap = GetProcessHeap();
- #endif
- padid = (PWINE_ACMDRIVERID) HeapAlloc(MSACM_hHeap, 0, sizeof(WINE_ACMDRIVERID));
- padid->pszFileName = (char*)malloc(strlen(pszFileName)+1);
- strcpy(padid->pszFileName, pszFileName);
- // 1~strdup(pszDriverAlias);
- padid->wFormatTag = wFormatTag;
- padid->hInstModule = hinstModule;
- padid->bEnabled = TRUE;
- padid->pACMDriverList = NULL;
- padid->pNextACMDriverID = NULL;
- padid->pPrevACMDriverID = MSACM_pLastACMDriverID;
- if (MSACM_pLastACMDriverID)
- MSACM_pLastACMDriverID->pNextACMDriverID = padid;
- MSACM_pLastACMDriverID = padid;
- if (!MSACM_pFirstACMDriverID)
- MSACM_pFirstACMDriverID = padid;
- return padid;
- }
- /***********************************************************************
- * MSACM_UnregisterDriver32()
- */
- PWINE_ACMDRIVERID MSACM_UnregisterDriver(PWINE_ACMDRIVERID p)
- {
- PWINE_ACMDRIVERID pNextACMDriverID;
- while (p->pACMDriverList)
- acmDriverClose((HACMDRIVER) p->pACMDriverList, 0);
- free( p->pszFileName );
- if (p == MSACM_pFirstACMDriverID)
- MSACM_pFirstACMDriverID = p->pNextACMDriverID;
- if (p == MSACM_pLastACMDriverID)
- MSACM_pLastACMDriverID = p->pPrevACMDriverID;
- if (p->pPrevACMDriverID)
- p->pPrevACMDriverID->pNextACMDriverID = p->pNextACMDriverID;
- if (p->pNextACMDriverID)
- p->pNextACMDriverID->pPrevACMDriverID = p->pPrevACMDriverID;
- pNextACMDriverID = p->pNextACMDriverID;
- HeapFree(MSACM_hHeap, 0, p);
- return pNextACMDriverID;
- }
- /***********************************************************************
- * MSACM_UnregisterAllDrivers32()
- * FIXME
- * Where should this function be called?
- */
- void MSACM_UnregisterAllDrivers(void)
- {
- PWINE_ACMDRIVERID p;
- for (p = MSACM_pFirstACMDriverID; p; p = MSACM_UnregisterDriver(p));
- }
- /***********************************************************************
- * MSACM_GetDriverID32()
- */
- PWINE_ACMDRIVERID MSACM_GetDriverID(HACMDRIVERID hDriverID)
- {
- return (PWINE_ACMDRIVERID)hDriverID;
- }
- /***********************************************************************
- * MSACM_GetDriver32()
- */
- PWINE_ACMDRIVER MSACM_GetDriver(HACMDRIVER hDriver)
- {
- return (PWINE_ACMDRIVER)hDriver;
- }
- /***********************************************************************
- * MSACM_GetObj32()
- */
- PWINE_ACMOBJ MSACM_GetObj(HACMOBJ hObj)
- {
- return (PWINE_ACMOBJ)hObj;
- }
- /***********************************************************************
- * acmStreamOpen (MSACM32.40)
- */
- MMRESULT WINAPI acmStreamOpen(PHACMSTREAM phas, HACMDRIVER had, PWAVEFORMATEX pwfxSrc,
- PWAVEFORMATEX pwfxDst, PWAVEFILTER pwfltr, DWORD dwCallback,
- DWORD dwInstance, DWORD fdwOpen)
- {
- 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);
- #define SIZEOF_WFX(wfx) (sizeof(WAVEFORMATEX) + ((wfx->wFormatTag == WAVE_FORMAT_PCM) ? 0 : wfx->cbSize))
- wfxSrcSize = SIZEOF_WFX(pwfxSrc);
- wfxDstSize = SIZEOF_WFX(pwfxDst);
- #undef SIZEOF_WFX
- was = (PWINE_ACMSTREAM) 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);
- // LHACM is checking for 0x1
- // but if this will not help
- // was->drvInst.pwfxSrc->wFormatTag = 1;
- 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.pACMDriverID = wad->obj.pACMDriverID;
- was->pDrv = wad;
- was->hAcmDriver = 0; /* not to close it in acmStreamClose */
- ret = SendDriverMessage(wad->hDrvr, ACMDM_STREAM_OPEN, (DWORD)&was->drvInst, 0L);
- if (ret != MMSYSERR_NOERROR)
- goto errCleanUp;
- } else {
- PWINE_ACMDRIVERID wadi;
- short drv_tag;
- ret = ACMERR_NOTPOSSIBLE;
- /* if(pwfxSrc->wFormatTag==1)//compression
- drv_tag=pwfxDst->wFormatTag;
- else
- if(pwfxDst->wFormatTag==1)//decompression
- drv_tag=pwfxSrc->wFormatTag;
- else
- goto errCleanUp;
- ret=acmDriverOpen2(drv_tag);
- if (ret == MMSYSERR_NOERROR) {
- if ((wad = MSACM_GetDriver(had)) != 0) {
- was->obj.pACMDriverID = wad->obj.pACMDriverID;
- was->pDrv = wad;
- was->hAcmDriver = had;
- ret = SendDriverMessage(wad->hDrvr, ACMDM_STREAM_OPEN, (DWORD)&was->drvInst, 0L);
- if (ret == MMSYSERR_NOERROR) {
- if (fdwOpen & ACM_STREAMOPENF_QUERY) {
- acmDriverClose(had, 0L);
- }
- break;
- }
- }
- acmDriverClose(had, 0L);*/
- //if(MSACM_pFirstACMDriverID==NULL)
- // MSACM_RegisterAllDrivers();
- for (wadi = MSACM_pFirstACMDriverID; wadi; wadi = wadi->pNextACMDriverID)
- {
- /* Check Format */
- if ((int)wadi->wFormatTag != (int)pwfxSrc->wFormatTag) continue;
- ret = acmDriverOpen(&had, (HACMDRIVERID)wadi, 0L);
- if (ret == MMSYSERR_NOERROR) {
- if ((wad = MSACM_GetDriver(had)) != NULL) {
- was->obj.pACMDriverID = wad->obj.pACMDriverID;
- was->pDrv = wad;
- was->hAcmDriver = had;
- ret = SendDriverMessage(wad->hDrvr, ACMDM_STREAM_OPEN, (DWORD)&was->drvInst, 0L);
- //lhacm - crash printf("RETOPEN %dn", ret);
- //ret = 0;
- if (ret == MMSYSERR_NOERROR) {
- if (fdwOpen & ACM_STREAMOPENF_QUERY) {
- 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;
- if (!(fdwOpen & ACM_STREAMOPENF_QUERY)) {
- if (phas)
- *phas = (HACMSTREAM)was;
- TRACE("=> (%d)n", ret);
- #ifdef WIN32_LOADER
- CodecAlloc();
- #endif
- return ret;
- }
- errCleanUp:
- if (phas)
- *phas = (HACMSTREAM)0;
- HeapFree(MSACM_hHeap, 0, was);
- TRACE("=> (%d)n", ret);
- return ret;
- }
- MMRESULT WINAPI acmStreamClose(HACMSTREAM has, DWORD fdwClose)
- {
- 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) {
- if (was->hAcmDriver)
- acmDriverClose(was->hAcmDriver, 0L);
- HeapFree(MSACM_hHeap, 0, was);
- #ifdef WIN32_LOADER
- CodecRelease();
- #endif
- }
- TRACE("=> (%d)n", ret);
- return ret;
- }
- /***********************************************************************
- * acmStreamConvert (MSACM32.38)
- */
- MMRESULT WINAPI acmStreamConvert(HACMSTREAM has, PACMSTREAMHEADER pash,
- DWORD fdwConvert)
- {
- 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;
- }
- /***********************************************************************
- * acmStreamPrepareHeader (MSACM32.41)
- */
- MMRESULT WINAPI acmStreamPrepareHeader(HACMSTREAM has, PACMSTREAMHEADER pash,
- DWORD fdwPrepare)
- {
- 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)
- */
- MMRESULT WINAPI acmStreamReset(HACMSTREAM has, DWORD fdwReset)
- {
- 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)
- */
- MMRESULT WINAPI acmStreamSize(HACMSTREAM has, DWORD cbInput,
- LPDWORD pdwOutputBytes, DWORD fdwSize)
- {
- 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)
- */
- MMRESULT WINAPI acmStreamUnprepareHeader(HACMSTREAM has, PACMSTREAMHEADER pash,
- DWORD fdwUnprepare)
- {
- 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;
- }