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