format.c

这是一个开放源代码的与WINNT/WIN2K/WIN2003兼容的操作系统

/* -*- tab-width: 8; c-basic-offset: 4 -*- */

/*
 *      MSACM32 library
 *
 *      Copyright 1998  Patrik Stridvall
 *		  2000	Eric Pouech
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <stdarg.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "winerror.h"
#include "wingdi.h"
#include "winuser.h"
#include "wine/unicode.h"
#include "wine/debug.h"
#include "mmsystem.h"
#include "mmreg.h"
#include "msacm.h"
#include "msacmdrv.h"
#include "wineacm.h"

WINE_DEFAULT_DEBUG_CHANNEL(msacm);

static	PACMFORMATCHOOSEA	afc;

struct MSACM_FillFormatData {
    HWND		hWnd;
#define WINE_ACMFF_TAG		0
#define WINE_ACMFF_FORMAT	1
#define WINE_ACMFF_WFX		2
    int			mode;
    char		szFormatTag[ACMFORMATTAGDETAILS_FORMATTAG_CHARS];
    PACMFORMATCHOOSEA	afc;
    DWORD		ret;
};

static BOOL CALLBACK MSACM_FillFormatTagsCB(HACMDRIVERID hadid,
					    PACMFORMATTAGDETAILSA paftd,
					    DWORD dwInstance, DWORD fdwSupport)
{
    struct MSACM_FillFormatData*	affd = (struct MSACM_FillFormatData*)dwInstance;

    switch (affd->mode) {
    case WINE_ACMFF_TAG:
	if (SendDlgItemMessageA(affd->hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMATTAG,
				CB_FINDSTRINGEXACT,
				(WPARAM)-1, (LPARAM)paftd->szFormatTag) == CB_ERR)
	    SendDlgItemMessageA(affd->hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMATTAG,
				CB_ADDSTRING, 0, (DWORD)paftd->szFormatTag);
	break;
    case WINE_ACMFF_FORMAT:
	if (strcmp(affd->szFormatTag, paftd->szFormatTag) == 0) {
	    HACMDRIVER		had;

	    if (acmDriverOpen(&had, hadid, 0) == MMSYSERR_NOERROR) {
		ACMFORMATDETAILSA	afd;
		int			i, idx;
		MMRESULT		mmr;
		char			buffer[ACMFORMATDETAILS_FORMAT_CHARS+16];

		afd.cbStruct = sizeof(afd);
		afd.dwFormatTag = paftd->dwFormatTag;
		afd.pwfx = HeapAlloc(MSACM_hHeap, 0, paftd->cbFormatSize);
		if (!afd.pwfx) return FALSE;
		afd.pwfx->wFormatTag = paftd->dwFormatTag;
		afd.pwfx->cbSize = paftd->cbFormatSize;
		afd.cbwfx = paftd->cbFormatSize;

		for (i = 0; i < paftd->cStandardFormats; i++) {
		    afd.dwFormatIndex = i;
		    mmr = acmFormatDetailsA(had, &afd, ACM_FORMATDETAILSF_INDEX);
		    if (mmr == MMSYSERR_NOERROR) {
			strncpy(buffer, afd.szFormat, ACMFORMATTAGDETAILS_FORMATTAG_CHARS);
			for (idx = strlen(buffer);
			     idx < ACMFORMATTAGDETAILS_FORMATTAG_CHARS; idx++)
			    buffer[idx] = ' ';
			wsprintfA(buffer + ACMFORMATTAGDETAILS_FORMATTAG_CHARS,
				  "%d Ko/s",
				  (afd.pwfx->nAvgBytesPerSec + 512) / 1024);
			SendDlgItemMessageA(affd->hWnd,
					    IDD_ACMFORMATCHOOSE_CMB_FORMAT,
					    CB_ADDSTRING, 0, (DWORD)buffer);
		    }
		}
		acmDriverClose(had, 0);
		SendDlgItemMessageA(affd->hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMAT,
				    CB_SETCURSEL, 0, 0);
		HeapFree(MSACM_hHeap, 0, afd.pwfx);
	    }
	}
	break;
    case WINE_ACMFF_WFX:
	if (strcmp(affd->szFormatTag, paftd->szFormatTag) == 0) {
	    HACMDRIVER		had;

	    if (acmDriverOpen(&had, hadid, 0) == MMSYSERR_NOERROR) {
		ACMFORMATDETAILSA	afd;

		afd.cbStruct = sizeof(afd);
		afd.dwFormatTag = paftd->dwFormatTag;
		afd.pwfx = affd->afc->pwfx;
		afd.cbwfx = affd->afc->cbwfx;

		afd.dwFormatIndex = SendDlgItemMessageA(affd->hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMAT,
							CB_GETCURSEL, 0, 0);
		affd->ret = acmFormatDetailsA(had, &afd, ACM_FORMATDETAILSF_INDEX);
		acmDriverClose(had, 0);
		return TRUE;
	    }
	}
	break;
    default:
	FIXME("Unknown mode (%d)\n", affd->mode);
	break;
    }
    return TRUE;
}

static BOOL MSACM_FillFormatTags(HWND hWnd)
{
    ACMFORMATTAGDETAILSA	aftd;
    struct MSACM_FillFormatData	affd;

    memset(&aftd, 0, sizeof(aftd));
    aftd.cbStruct = sizeof(aftd);

    affd.hWnd = hWnd;
    affd.mode = WINE_ACMFF_TAG;

    acmFormatTagEnumA(NULL, &aftd, MSACM_FillFormatTagsCB, (DWORD)&affd, 0);
    SendDlgItemMessageA(hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMATTAG, CB_SETCURSEL, 0, 0);
    return TRUE;
}

static BOOL MSACM_FillFormat(HWND hWnd)
{
    ACMFORMATTAGDETAILSA	aftd;
    struct MSACM_FillFormatData	affd;

    SendDlgItemMessageA(hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMAT, CB_RESETCONTENT, 0, 0);

    memset(&aftd, 0, sizeof(aftd));
    aftd.cbStruct = sizeof(aftd);

    affd.hWnd = hWnd;
    affd.mode = WINE_ACMFF_FORMAT;
    SendDlgItemMessageA(hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMATTAG,
			CB_GETLBTEXT,
			SendDlgItemMessageA(hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMATTAG,
					    CB_GETCURSEL, 0, 0),
			(DWORD)affd.szFormatTag);

    acmFormatTagEnumA(NULL, &aftd, MSACM_FillFormatTagsCB, (DWORD)&affd, 0);
    SendDlgItemMessageA(hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMAT, CB_SETCURSEL, 0, 0);
    return TRUE;
}

static MMRESULT MSACM_GetWFX(HWND hWnd, PACMFORMATCHOOSEA afc)
{
    ACMFORMATTAGDETAILSA	aftd;
    struct MSACM_FillFormatData	affd;

    memset(&aftd, 0, sizeof(aftd));
    aftd.cbStruct = sizeof(aftd);

    affd.hWnd = hWnd;
    affd.mode = WINE_ACMFF_WFX;
    affd.afc = afc;
    affd.ret = MMSYSERR_NOERROR;
    SendDlgItemMessageA(hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMATTAG,
			CB_GETLBTEXT,
			SendDlgItemMessageA(hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMATTAG,
					    CB_GETCURSEL, 0, 0),
			(DWORD)affd.szFormatTag);

    acmFormatTagEnumA(NULL, &aftd, MSACM_FillFormatTagsCB, (DWORD)&affd, 0);
    return affd.ret;
}

static INT_PTR CALLBACK FormatChooseDlgProc(HWND hWnd, UINT msg,
				       WPARAM wParam, LPARAM lParam)
{

    TRACE("hwnd=%p msg=%i 0x%08x 0x%08lx\n", hWnd,  msg, wParam, lParam );

    switch (msg) {
    case WM_INITDIALOG:
	afc = (PACMFORMATCHOOSEA)lParam;
	MSACM_FillFormatTags(hWnd);
	MSACM_FillFormat(hWnd);
	if ((afc->fdwStyle & ~(ACMFORMATCHOOSE_STYLEF_CONTEXTHELP|
			       ACMFORMATCHOOSE_STYLEF_SHOWHELP)) != 0)
	    FIXME("Unsupported style %08lx\n", ((PACMFORMATCHOOSEA)lParam)->fdwStyle);
	if (!(afc->fdwStyle & ACMFORMATCHOOSE_STYLEF_SHOWHELP))
	    ShowWindow(GetDlgItem(hWnd, IDD_ACMFORMATCHOOSE_BTN_HELP), SW_HIDE);
	return TRUE;

    case WM_COMMAND:
	switch (LOWORD(wParam)) {
	case IDOK:
	    EndDialog(hWnd, MSACM_GetWFX(hWnd, afc));
	    return TRUE;
	case IDCANCEL:
	    EndDialog(hWnd, ACMERR_CANCELED);
	    return TRUE;
	case IDD_ACMFORMATCHOOSE_CMB_FORMATTAG:
	    switch (HIWORD(wParam)) {
	    case CBN_SELCHANGE:
		MSACM_FillFormat(hWnd);
		break;
	    default:
		TRACE("Dropped dlgNotif (fmtTag): 0x%08x 0x%08lx\n",
		      HIWORD(wParam), lParam);
		break;
	    }
	    break;
	case IDD_ACMFORMATCHOOSE_BTN_HELP:
	    if (afc->fdwStyle & ACMFORMATCHOOSE_STYLEF_SHOWHELP)
		SendMessageA(afc->hwndOwner,
			     RegisterWindowMessageA(ACMHELPMSGSTRINGA), 0L, 0L);
	    break;

	default:
	    TRACE("Dropped dlgCmd: ctl=%d ntf=0x%04x 0x%08lx\n",
		  LOWORD(wParam), HIWORD(wParam), lParam);
	    break;
	}
	break;
    case WM_CONTEXTMENU:
	if (afc->fdwStyle & ACMFORMATCHOOSE_STYLEF_CONTEXTHELP)
	    SendMessageA(afc->hwndOwner,
			 RegisterWindowMessageA(ACMHELPMSGCONTEXTMENUA),
			 wParam, lParam);
	break;
#if defined(WM_CONTEXTHELP)
    case WM_CONTEXTHELP:
	if (afc->fdwStyle & ACMFORMATCHOOSE_STYLEF_CONTEXTHELP)
	    SendMessageA(afc->hwndOwner,
			 RegisterWindowMessageA(ACMHELPMSGCONTEXTHELPA),
			 wParam, lParam);
	break;
#endif
    default:
	TRACE("Dropped dlgMsg: hwnd=%p msg=%i 0x%08x 0x%08lx\n",
	      hWnd,  msg, wParam, lParam );
	break;
    }
    return FALSE;
}

/***********************************************************************
 *           acmFormatChooseA (MSACM32.@)
 */
MMRESULT WINAPI acmFormatChooseA(PACMFORMATCHOOSEA pafmtc)
{
    return DialogBoxParamA(MSACM_hInstance32, MAKEINTRESOURCEA(DLG_ACMFORMATCHOOSE_ID),
			   pafmtc->hwndOwner, FormatChooseDlgProc, (INT)pafmtc);
}

/***********************************************************************
 *           acmFormatChooseW (MSACM32.@)
 */
MMRESULT WINAPI acmFormatChooseW(PACMFORMATCHOOSEW pafmtc)
{
    FIXME("(%p): stub\n", pafmtc);
    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
    return MMSYSERR_ERROR;
}

/***********************************************************************
 *           acmFormatDetailsA (MSACM32.@)
 */
MMRESULT WINAPI acmFormatDetailsA(HACMDRIVER had, PACMFORMATDETAILSA pafd,
				  DWORD fdwDetails)
{
    ACMFORMATDETAILSW	afdw;
    MMRESULT		mmr;

    memset(&afdw, 0, sizeof(afdw));
    afdw.cbStruct = sizeof(afdw);
    afdw.dwFormatIndex = pafd->dwFormatIndex;
    afdw.dwFormatTag = pafd->dwFormatTag;
    afdw.pwfx = pafd->pwfx;
    afdw.cbwfx = pafd->cbwfx;

    mmr = acmFormatDetailsW(had, &afdw, fdwDetails);
    if (mmr == MMSYSERR_NOERROR) {
	pafd->dwFormatTag = afdw.dwFormatTag;
	pafd->fdwSupport = afdw.fdwSupport;
        WideCharToMultiByte( CP_ACP, 0, afdw.szFormat, -1,
                             pafd->szFormat, sizeof(pafd->szFormat), NULL, NULL );
    }
    return mmr;
}

/***********************************************************************
 *           acmFormatDetailsW (MSACM32.@)
 */
MMRESULT WINAPI acmFormatDetailsW(HACMDRIVER had, PACMFORMATDETAILSW pafd, DWORD fdwDetails)
{
    MMRESULT			mmr;
    static const WCHAR		fmt1[] = {'%','d',' ','H','z',0};
    static const WCHAR		fmt2[] = {';',' ','%','d',' ','b','i','t','s',0};
    ACMFORMATTAGDETAILSA	aftd;

    TRACE("(%p, %p, %ld)\n", had, pafd, fdwDetails);

    memset(&aftd, 0, sizeof(aftd));
    aftd.cbStruct = sizeof(aftd);

    if (pafd->cbStruct < sizeof(*pafd)) return MMSYSERR_INVALPARAM;

    switch (fdwDetails) {
    case ACM_FORMATDETAILSF_FORMAT:
	if (pafd->dwFormatTag != pafd->pwfx->wFormatTag) {
	    mmr = MMSYSERR_INVALPARAM;
	    break;
	}
	if (had == NULL) {
	    PWINE_ACMDRIVERID		padid;

	    mmr = ACMERR_NOTPOSSIBLE;
	    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) {
		    mmr = MSACM_Message(had, ACMDM_FORMAT_DETAILS, (LPARAM)pafd, fdwDetails);
		    acmDriverClose(had, 0);
		    if (mmr == MMSYSERR_NOERROR) break;
		}
	    }
	} else {
	    mmr = MSACM_Message(had, ACMDM_FORMAT_DETAILS, (LPARAM)pafd, fdwDetails);
	}
	break;
    case ACM_FORMATDETAILSF_INDEX:
	/* should check pafd->dwFormatIndex < aftd->cStandardFormats */
	mmr = MSACM_Message(had, ACMDM_FORMAT_DETAILS, (LPARAM)pafd, fdwDetails);
	break;
    default:
	WARN("Unknown fdwDetails %08lx\n", fdwDetails);
	mmr = MMSYSERR_INVALFLAG;
	break;
    }

    if (mmr == MMSYSERR_NOERROR && pafd->szFormat[0] == (WCHAR)0) {
	wsprintfW(pafd->szFormat, fmt1, pafd->pwfx->nSamplesPerSec);
	if (pafd->pwfx->wBitsPerSample) {
	    wsprintfW(pafd->szFormat + lstrlenW(pafd->szFormat), fmt2,
		      pafd->pwfx->wBitsPerSample);
	}
        MultiByteToWideChar( CP_ACP, 0, (pafd->pwfx->nChannels == 1) ? "; Mono" : "; Stereo", -1,
                             pafd->szFormat + strlenW(pafd->szFormat),
                             sizeof(pafd->szFormat)/sizeof(WCHAR) - strlenW(pafd->szFormat) );
    }

    TRACE("=> %d\n", mmr);
    return mmr;
}

struct MSACM_FormatEnumWtoA_Instance {
    PACMFORMATDETAILSA	pafda;
    DWORD		dwInstance;
    ACMFORMATENUMCBA 	fnCallback;
};

static BOOL CALLBACK MSACM_FormatEnumCallbackWtoA(HACMDRIVERID hadid,
						  PACMFORMATDETAILSW pafdw,
						  DWORD dwInstance,
						  DWORD fdwSupport)
{
    struct MSACM_FormatEnumWtoA_Instance* pafei;

    pafei = (struct MSACM_FormatEnumWtoA_Instance*)dwInstance;

    pafei->pafda->dwFormatIndex = pafdw->dwFormatIndex;
    pafei->pafda->dwFormatTag = pafdw->dwFormatTag;
    pafei->pafda->fdwSupport = pafdw->fdwSupport;
    WideCharToMultiByte( CP_ACP, 0, pafdw->szFormat, -1,
                         pafei->pafda->szFormat, sizeof(pafei->pafda->szFormat), NULL, NULL );

    return (pafei->fnCallback)(hadid, pafei->pafda,
			       pafei->dwInstance, fdwSupport);
}

/***********************************************************************
 *           acmFormatEnumA (MSACM32.@)
 */
MMRESULT WINAPI acmFormatEnumA(HACMDRIVER had, PACMFORMATDETAILSA pafda,
			       ACMFORMATENUMCBA fnCallback, DWORD dwInstance,
			       DWORD fdwEnum)
{
    ACMFORMATDETAILSW		afdw;
    struct MSACM_FormatEnumWtoA_Instance afei;

    if (!pafda)
        return MMSYSERR_INVALPARAM;

    if (pafda->cbStruct < sizeof(*pafda))
        return MMSYSERR_INVALPARAM;

    memset(&afdw, 0, sizeof(afdw));
    afdw.cbStruct = sizeof(afdw);
    afdw.dwFormatIndex = pafda->dwFormatIndex;
    afdw.dwFormatTag = pafda->dwFormatTag;
    afdw.pwfx = pafda->pwfx;
    afdw.cbwfx = pafda->cbwfx;

    afei.pafda = pafda;
    afei.dwInstance = dwInstance;
    afei.fnCallback = fnCallback;