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Properly implement MCI_CDA_STATUS_TYPE_TRACK. 

Fix an off-by-one bug with MCI_STATUS_LENGTH.
This commit is contained in:
Brian Gerst 1998-12-08 10:34:58 +00:00 committed by Alexandre Julliard
parent daf860e501
commit 33839e9963
2 changed files with 26 additions and 5 deletions
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4
include/mmsystem.h
View File

@ -2187,8 +2187,8 @@ typedef struct {
/* FIXME: are those constants correct ? */
#define MCI_CDA_STATUS_TYPE_TRACK 0x00004001
#define MCI_CDA_TRACK_AUDIO 0x00000001
#define MCI_CDA_TRACK_OTHER 0x00000000
#define MCI_CDA_TRACK_AUDIO 0x00000440
#define MCI_CDA_TRACK_OTHER 0x00000441
#define MCI_VD_MODE_PARK (MCI_VD_OFFSET + 1)

27
multimedia/mcicda.c
View File

@ -72,12 +72,17 @@ typedef struct {
DWORD dwTotalLen;
LPDWORD lpdwTrackLen;
LPDWORD lpdwTrackPos;
LPBYTE lpbTrackFlags;
DWORD dwFirstOffset;
} WINE_CDAUDIO;
static WINE_CDAUDIO CDADev[MAX_CDAUDIODRV];
#endif
#ifndef CDROM_DATA_TRACK
#define CDROM_DATA_TRACK 0x04
#endif
/*-----------------------------------------------------------------------*/
/**************************************************************************
@ -156,12 +161,18 @@ static BOOL32 CDAUDIO_GetTracksInfo(WINE_CDAUDIO* wcda)
if (wcda->lpdwTrackPos != NULL)
free(wcda->lpdwTrackPos);
wcda->lpdwTrackPos = (LPDWORD)malloc((wcda->nTracks + 1) * sizeof(DWORD));
if (wcda->lpdwTrackLen == NULL || wcda->lpdwTrackPos == NULL) {
if (wcda->lpbTrackFlags != NULL)
free(wcda->lpbTrackFlags);
wcda->lpbTrackFlags = (LPBYTE)malloc((wcda->nTracks + 1) * sizeof(BYTE));
if (wcda->lpdwTrackLen == NULL || wcda->lpdwTrackPos == NULL ||
wcda->lpbTrackFlags == NULL)
{
WARN(cdaudio, "error allocating track table !\n");
return FALSE;
}
memset(wcda->lpdwTrackLen, 0, (wcda->nTracks + 1) * sizeof(DWORD));
memset(wcda->lpdwTrackPos, 0, (wcda->nTracks + 1) * sizeof(DWORD));
memset(wcda->lpbTrackFlags, 0, (wcda->nTracks + 1) * sizeof(BYTE));
for (i = 0; i <= wcda->nTracks; i++) {
if (i == wcda->nTracks)
#ifdef linux
@ -216,6 +227,13 @@ static BOOL32 CDAUDIO_GetTracksInfo(WINE_CDAUDIO* wcda)
wcda->lpdwTrackPos[i - 1] = start;
TRACE(cdaudio, "track #%u start=%u len=%u\n", i, start, length);
}
wcda->lpbTrackFlags[i] =
#ifdef linux
(entry.cdte_adr << 4) | (entry.cdte_ctrl & 0x0f);
#elif defined(__FreeBSD__)
(toc_buffer.addr_type << 4) | (toc_buffer.control & 0x0f);
#endif
TRACE(cdaudio, "track #%u flags=%02x\n", i + 1, wcda->lpbTrackFlags[i]);
}
wcda->dwTotalLen = total_length;
TRACE(cdaudio,"total_len=%u\n", total_length);
@ -283,6 +301,7 @@ static DWORD CDAUDIO_mciOpen(UINT16 wDevID, DWORD dwFlags, LPMCI_OPEN_PARMS32A l
wcda->dwFirstOffset = 0;
wcda->lpdwTrackLen = NULL;
wcda->lpdwTrackPos = NULL;
wcda->lpbTrackFlags = NULL;
if (!CDAUDIO_GetTracksInfo(&CDADev[wDevID])) {
WARN(cdaudio,"error reading TracksInfo !\n");
/* return MCIERR_INTERNAL; */
@ -319,6 +338,7 @@ static DWORD CDAUDIO_mciClose(UINT16 wDevID, DWORD dwParam, LPMCI_GENERIC_PARMS
if (--wcda->nUseCount == 0) {
if (wcda->lpdwTrackLen != NULL) free(wcda->lpdwTrackLen);
if (wcda->lpdwTrackPos != NULL) free(wcda->lpdwTrackPos);
if (wcda->lpbTrackFlags != NULL) free(wcda->lpbTrackFlags);
close(wcda->unixdev);
}
#endif
@ -665,7 +685,7 @@ static DWORD CDAUDIO_mciStatus(UINT16 wDevID, DWORD dwFlags, LPMCI_STATUS_PARMS
TRACE(cdaudio,"MCI_TRACK #%lu LENGTH=??? !\n", lpParms->dwTrack);
if (lpParms->dwTrack > wcda->nTracks)
return MCIERR_OUTOFRANGE;
lpParms->dwReturn = wcda->lpdwTrackLen[lpParms->dwTrack];
lpParms->dwReturn = wcda->lpdwTrackLen[lpParms->dwTrack - 1];
} else {
lpParms->dwReturn = wcda->dwTotalLen;
}
@ -716,7 +736,8 @@ static DWORD CDAUDIO_mciStatus(UINT16 wDevID, DWORD dwFlags, LPMCI_STATUS_PARMS
/* MCI_CDA_STATUS_TYPE_TRACK is very likely to be 0x00004001 */
case MCI_CDA_STATUS_TYPE_TRACK:
if (!(dwFlags & MCI_TRACK)) return MCIERR_MISSING_PARAMETER;
lpParms->dwReturn = 0xFFFFFFFF; /* FIXME: MCI_CDA_TRACK_AUDIO ou MCI_CDA_TRACK_OTHER */
lpParms->dwReturn = (wcda->lpbTrackFlags[lpParms->dwTrack - 1] &
CDROM_DATA_TRACK) ? MCI_CDA_TRACK_OTHER : MCI_CDA_TRACK_AUDIO;
TRACE(cdaudio, "MCI_CDA_STATUS_TYPE_TRACK[%ld]=%08lx\n", lpParms->dwTrack, lpParms->dwReturn);
return 0;
default: