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wine/misc/cdrom.c
Ryan Cumming 418e27ea68 Make CDROM_GetLabel return 0 in the event of failure, and make the 
default label for drives a string of 11 spaces.
2001-01-09 20:54:11 +00:00

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23 KiB
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/* -*- tab-width: 8; c-basic-offset: 4 -*- */
/*
* Main file for CD-ROM support
*
* Copyright 1994 Martin Ayotte
* Copyright 1999 Eric Pouech
* Copyright 2000 Andreas Mohr
*/
#include "config.h"
#include <errno.h>
#include <string.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include "winnls.h"
#include "cdrom.h"
#include "drive.h"
#include "debugtools.h"
#include "winbase.h"
DEFAULT_DEBUG_CHANNEL(cdrom);
#define MAX_CDAUDIO_TRACKS 256
#define CDROM_OPEN(wcda,parentdev) \
(((parentdev) == -1) ? CDROM_OpenDev(wcda) : (parentdev))
#define CDROM_CLOSE(dev,parentdev) \
(((parentdev) == -1) ? CDROM_CloseDev(dev) : 0)
/**************************************************************************
* CDROM_Open [internal]
*
* drive = 0, 1, ...
* or -1 (figure it out)
*/
int CDROM_Open(WINE_CDAUDIO* wcda, int drive)
{
int i, dev;
BOOL avail = FALSE;
if (drive == -1)
{
char root[] = "A:\\";
for (i=0; i < MAX_DOS_DRIVES; i++, root[0]++)
if (GetDriveTypeA(root) == DRIVE_CDROM)
{
drive = i;
avail = TRUE;
break;
}
}
else
avail = TRUE;
if (avail == FALSE)
{
WARN("No CD-ROM #%d found !\n", drive);
return -1;
}
if ((wcda->devname = DRIVE_GetDevice(drive)) == NULL)
{
WARN("No device entry for CD-ROM #%d (drive %c:) found !\n",
drive, 'A' + drive);
return -1;
}
/* Test whether device can be opened */
dev = CDROM_OpenDev(wcda);
if (dev == -1)
return -1;
else
CDROM_CloseDev(dev);
wcda->cdaMode = WINE_CDA_OPEN; /* to force reading tracks info */
wcda->nCurTrack = 0;
wcda->nTracks = 0;
wcda->dwFirstFrame = 0;
wcda->dwLastFrame = 0;
wcda->lpdwTrackLen = NULL;
wcda->lpdwTrackPos = NULL;
wcda->lpbTrackFlags = NULL;
TRACE("opened drive %c: (device %s)\n", 'A' + drive, wcda->devname);
return 0;
}
/**************************************************************************
* CDROM_OpenDev [internal]
*
*/
int CDROM_OpenDev(WINE_CDAUDIO* wcda)
{
int dev = open(wcda->devname, O_RDONLY | O_NONBLOCK, 0);
if (dev == -1)
WARN("can't open device '%s'! (%s)\n", wcda->devname, strerror(errno));
TRACE("-> %d\n", dev);
return dev;
}
/**************************************************************************
* CDROM_GetMediaType [internal]
*/
int CDROM_GetMediaType(WINE_CDAUDIO* wcda, int parentdev)
{
int type = -1;
#ifdef linux
int dev = CDROM_OPEN( wcda, parentdev );
type = ioctl(dev, CDROM_DISC_STATUS);
CDROM_CLOSE( dev, parentdev );
#endif
TRACE("-> %d\n", type);
return type;
}
/**************************************************************************
* CDROM_Close [internal]
*/
int CDROM_CloseDev(int dev)
{
TRACE("%d\n", dev);
return close(dev);
}
/**************************************************************************
* CDROM_Close [internal]
*/
int CDROM_Close(WINE_CDAUDIO* wcda)
{
#if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
if (wcda->lpdwTrackLen != NULL) free(wcda->lpdwTrackLen);
if (wcda->lpdwTrackPos != NULL) free(wcda->lpdwTrackPos);
if (wcda->lpbTrackFlags != NULL) free(wcda->lpbTrackFlags);
TRACE("%s\n", wcda->devname);
return 0;
#else
return -1;
#endif
}
/**************************************************************************
* CDROM_Get_UPC [internal]
*
* upc has to be 14 bytes long
*/
int CDROM_Get_UPC(WINE_CDAUDIO* wcda, LPSTR upc, int parentdev)
{
#ifdef linux
struct cdrom_mcn mcn;
int dev = CDROM_OPEN( wcda, parentdev );
int status = ioctl(dev, CDROM_GET_MCN, &mcn);
CDROM_CLOSE( dev, parentdev );
if (status)
{
ERR("ioctl() failed with code %d\n",status);
return -1;
}
strcpy(upc, mcn.medium_catalog_number);
return 0;
#else
return -1;
#endif
}
/**************************************************************************
* CDROM_Audio_GetNumberOfTracks [internal]
*/
UINT16 CDROM_Audio_GetNumberOfTracks(WINE_CDAUDIO* wcda, int parentdev)
{
UINT16 ret = (UINT16)-1;
#if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
#ifdef linux
struct cdrom_tochdr hdr;
#else
struct ioc_toc_header hdr;
#endif
int dev = CDROM_OPEN( wcda, parentdev );
if (wcda->nTracks == 0) {
#ifdef linux
if (ioctl(dev, CDROMREADTOCHDR, &hdr))
#else
if (ioctl(dev, CDIOREADTOCHEADER, &hdr))
#endif
{
WARN("(%p) -- Error occurred (%s)!\n", wcda, strerror(errno));
goto end;
}
#ifdef linux
wcda->nFirstTrack = hdr.cdth_trk0;
wcda->nLastTrack = hdr.cdth_trk1;
#else
wcda->nFirstTrack = hdr.starting_track;
wcda->nLastTrack = hdr.ending_track;
#endif
wcda->nTracks = wcda->nLastTrack - wcda->nFirstTrack + 1;
}
ret = wcda->nTracks;
end:
CDROM_CLOSE( dev, parentdev );
#endif
return ret;
}
/**************************************************************************
* CDROM_Audio_GetTracksInfo [internal]
*/
BOOL CDROM_Audio_GetTracksInfo(WINE_CDAUDIO* wcda, int parentdev)
{
BOOL ret = FALSE;
#if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
int i, length;
int start, last_start = 0;
int total_length = 0;
#ifdef linux
struct cdrom_tocentry entry;
#else
struct ioc_read_toc_entry entry;
struct cd_toc_entry toc_buffer;
#endif
int dev = CDROM_OPEN( wcda, parentdev );
if (wcda->nTracks == 0) {
if (CDROM_Audio_GetNumberOfTracks(wcda, dev) == (WORD)-1)
goto end;
}
TRACE("nTracks=%u\n", wcda->nTracks);
if (wcda->lpdwTrackLen != NULL)
free(wcda->lpdwTrackLen);
wcda->lpdwTrackLen = (LPDWORD)malloc((wcda->nTracks + 1) * sizeof(DWORD));
if (wcda->lpdwTrackPos != NULL)
free(wcda->lpdwTrackPos);
wcda->lpdwTrackPos = (LPDWORD)malloc((wcda->nTracks + 1) * sizeof(DWORD));
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("error allocating track table !\n");
goto end;
}
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
entry.cdte_track = CDROM_LEADOUT;
#else
#define LEADOUT 0xaa
entry.starting_track = LEADOUT; /* FIXME */
#endif
else
#ifdef linux
entry.cdte_track = i + 1;
#else
entry.starting_track = i + 1;
#endif
#ifdef linux
entry.cdte_format = CDROM_MSF;
#else
bzero((char *)&toc_buffer, sizeof(toc_buffer));
entry.address_format = CD_MSF_FORMAT;
entry.data_len = sizeof(toc_buffer);
entry.data = &toc_buffer;
#endif
#ifdef linux
if (ioctl(dev, CDROMREADTOCENTRY, &entry))
#else
if (ioctl(dev, CDIOREADTOCENTRYS, &entry))
#endif
{
WARN("error read entry (%s)\n", strerror(errno));
/* update status according to new status */
CDROM_Audio_GetCDStatus(wcda, dev);
goto end;
}
#ifdef linux
start = CDFRAMES_PERSEC * (SECONDS_PERMIN *
entry.cdte_addr.msf.minute + entry.cdte_addr.msf.second) +
entry.cdte_addr.msf.frame;
#else
start = CDFRAMES_PERSEC * (SECONDS_PERMIN *
toc_buffer.addr.msf.minute + toc_buffer.addr.msf.second) +
toc_buffer.addr.msf.frame;
#endif
if (i == 0) {
last_start = start;
wcda->dwFirstFrame = start;
TRACE("dwFirstOffset=%u\n", start);
} else {
length = start - last_start;
last_start = start;
start = last_start - length;
total_length += length;
wcda->lpdwTrackLen[i - 1] = length;
wcda->lpdwTrackPos[i - 1] = start;
TRACE("track #%u start=%u len=%u\n", i, start, length);
}
#ifdef linux
wcda->lpbTrackFlags[i] =
(entry.cdte_adr << 4) | (entry.cdte_ctrl & 0x0f);
#else
wcda->lpbTrackFlags[i] =
(toc_buffer.addr_type << 4) | (toc_buffer.control & 0x0f);
#endif
TRACE("track #%u flags=%02x\n", i + 1, wcda->lpbTrackFlags[i]);
}
wcda->dwLastFrame = last_start;
TRACE("total_len=%u\n", total_length);
ret = TRUE;
end:
CDROM_CLOSE( dev, parentdev );
#endif
return ret;
}
/**************************************************************************
* CDROM_Audio_GetCDStatus [internal]
*/
BOOL CDROM_Audio_GetCDStatus(WINE_CDAUDIO* wcda, int parentdev)
{
#if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
int oldmode = wcda->cdaMode;
int ret = FALSE;
int dev = CDROM_OPEN( wcda, parentdev );
#ifdef linux
wcda->sc.cdsc_format = CDROM_MSF;
#else
struct ioc_read_subchannel read_sc;
read_sc.address_format = CD_MSF_FORMAT;
read_sc.data_format = CD_CURRENT_POSITION;
read_sc.track = 0;
read_sc.data_len = sizeof(wcda->sc);
read_sc.data = (struct cd_sub_channel_info *)&wcda->sc;
#endif
#ifdef linux
if (ioctl(dev, CDROMSUBCHNL, &wcda->sc))
#else
if (ioctl(dev, CDIOCREADSUBCHANNEL, &read_sc))
#endif
{
TRACE("opened or no_media (%s)!\n", strerror(errno));
wcda->cdaMode = WINE_CDA_OPEN; /* was NOT_READY */
goto end;
}
switch (
#ifdef linux
wcda->sc.cdsc_audiostatus
#else
wcda->sc.header.audio_status
#endif
) {
#ifdef linux
case CDROM_AUDIO_INVALID:
#else
case CD_AS_AUDIO_INVALID:
#endif
/* seems that this means stop for ide drives */
wcda->cdaMode = WINE_CDA_STOP;
TRACE("AUDIO_INVALID -> WINE_CDA_STOP\n");
break;
#ifdef linux
case CDROM_AUDIO_NO_STATUS:
#else
case CD_AS_NO_STATUS:
#endif
wcda->cdaMode = WINE_CDA_STOP;
TRACE("WINE_CDA_STOP !\n");
break;
#ifdef linux
case CDROM_AUDIO_PLAY:
#else
case CD_AS_PLAY_IN_PROGRESS:
#endif
wcda->cdaMode = WINE_CDA_PLAY;
break;
#ifdef linux
case CDROM_AUDIO_PAUSED:
#else
case CD_AS_PLAY_PAUSED:
#endif
wcda->cdaMode = WINE_CDA_PAUSE;
TRACE("WINE_CDA_PAUSE !\n");
break;
default:
#ifdef linux
TRACE("status=%02X !\n",
wcda->sc.cdsc_audiostatus);
#else
TRACE("status=%02X !\n",
wcda->sc.header.audio_status);
#endif
}
#ifdef linux
wcda->nCurTrack = wcda->sc.cdsc_trk;
wcda->dwCurFrame =
CDFRAMES_PERMIN * wcda->sc.cdsc_absaddr.msf.minute +
CDFRAMES_PERSEC * wcda->sc.cdsc_absaddr.msf.second +
wcda->sc.cdsc_absaddr.msf.frame;
#else
wcda->nCurTrack = wcda->sc.what.position.track_number;
wcda->dwCurFrame =
CDFRAMES_PERMIN * wcda->sc.what.position.absaddr.msf.minute +
CDFRAMES_PERSEC * wcda->sc.what.position.absaddr.msf.second +
wcda->sc.what.position.absaddr.msf.frame;
#endif
#ifdef linux
TRACE("%02u-%02u:%02u:%02u\n",
wcda->sc.cdsc_trk,
wcda->sc.cdsc_absaddr.msf.minute,
wcda->sc.cdsc_absaddr.msf.second,
wcda->sc.cdsc_absaddr.msf.frame);
#else
TRACE("%02u-%02u:%02u:%02u\n",
wcda->sc.what.position.track_number,
wcda->sc.what.position.absaddr.msf.minute,
wcda->sc.what.position.absaddr.msf.second,
wcda->sc.what.position.absaddr.msf.frame);
#endif
if (oldmode != wcda->cdaMode && oldmode == WINE_CDA_OPEN) {
if (!CDROM_Audio_GetTracksInfo(wcda, dev)) {
WARN("error updating TracksInfo !\n");
goto end;
}
}
if (wcda->cdaMode != WINE_CDA_OPEN)
ret = TRUE;
end:
CDROM_CLOSE( dev, parentdev );
return ret;
#else
return FALSE;
#endif
}
/**************************************************************************
* CDROM_Audio_Play [internal]
*/
int CDROM_Audio_Play(WINE_CDAUDIO* wcda, DWORD start, DWORD end, int parentdev)
{
int ret = -1;
#if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
#ifdef linux
struct cdrom_msf msf;
#else
struct ioc_play_msf msf;
#endif
int dev = CDROM_OPEN( wcda, parentdev );
#ifdef linux
msf.cdmsf_min0 = start / CDFRAMES_PERMIN;
msf.cdmsf_sec0 = (start % CDFRAMES_PERMIN) / CDFRAMES_PERSEC;
msf.cdmsf_frame0 = start % CDFRAMES_PERSEC;
msf.cdmsf_min1 = end / CDFRAMES_PERMIN;
msf.cdmsf_sec1 = (end % CDFRAMES_PERMIN) / CDFRAMES_PERSEC;
msf.cdmsf_frame1 = end % CDFRAMES_PERSEC;
#else
msf.start_m = start / CDFRAMES_PERMIN;
msf.start_s = (start % CDFRAMES_PERMIN) / CDFRAMES_PERSEC;
msf.start_f = start % CDFRAMES_PERSEC;
msf.end_m = end / CDFRAMES_PERMIN;
msf.end_s = (end % CDFRAMES_PERMIN) / CDFRAMES_PERSEC;
msf.end_f = end % CDFRAMES_PERSEC;
#endif
#ifdef linux
if (ioctl(dev, CDROMSTART))
#else
if (ioctl(dev, CDIOCSTART, NULL))
#endif
{
WARN("motor doesn't start !\n");
goto end;
}
#ifdef linux
if (ioctl(dev, CDROMPLAYMSF, &msf))
#else
if (ioctl(dev, CDIOCPLAYMSF, &msf))
#endif
{
WARN("device doesn't play !\n");
goto end;
}
#ifdef linux
TRACE("msf = %d:%d:%d %d:%d:%d\n",
msf.cdmsf_min0, msf.cdmsf_sec0, msf.cdmsf_frame0,
msf.cdmsf_min1, msf.cdmsf_sec1, msf.cdmsf_frame1);
#else
TRACE("msf = %d:%d:%d %d:%d:%d\n",
msf.start_m, msf.start_s, msf.start_f,
msf.end_m, msf.end_s, msf.end_f);
#endif
ret = 0;
end:
CDROM_CLOSE( dev, parentdev );
#endif
return ret;
}
/**************************************************************************
* CDROM_Audio_Stop [internal]
*/
int CDROM_Audio_Stop(WINE_CDAUDIO* wcda, int parentdev)
{
int ret = -1;
#if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
int dev = CDROM_OPEN( wcda, parentdev );
#ifdef linux
ret = ioctl(dev, CDROMSTOP);
#else
ret = ioctl(dev, CDIOCSTOP, NULL);
#endif
CDROM_CLOSE( dev, parentdev );
#endif
return ret;
}
/**************************************************************************
* CDROM_Audio_Pause [internal]
*/
int CDROM_Audio_Pause(WINE_CDAUDIO* wcda, int pauseOn, int parentdev)
{
int ret = -1;
#if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
int dev = CDROM_OPEN( wcda, parentdev );
#ifdef linux
ret = ioctl(dev, pauseOn ? CDROMPAUSE : CDROMRESUME);
#else
ret = ioctl(dev, pauseOn ? CDIOCPAUSE : CDIOCRESUME, NULL);
#endif
CDROM_CLOSE( dev, parentdev );
#endif
return ret;
}
/**************************************************************************
* CDROM_Audio_Seek [internal]
*/
int CDROM_Audio_Seek(WINE_CDAUDIO* wcda, DWORD at, int parentdev)
{
int ret = -1;
#if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
int dev = CDROM_OPEN( wcda, parentdev );
#ifdef linux
struct cdrom_msf0 msf;
msf.minute = at / CDFRAMES_PERMIN;
msf.second = (at % CDFRAMES_PERMIN) / CDFRAMES_PERSEC;
msf.frame = at % CDFRAMES_PERSEC;
ret = ioctl(dev, CDROMSEEK, &msf);
#else
/* FIXME: the current end for play is lost
* use end of CD ROM instead
*/
FIXME("Could a BSD expert implement the seek function ?\n");
CDROM_Audio_Play(wcda, at, wcda->lpdwTrackPos[wcda->nTracks] + wcda->lpdwTrackLen[wcda->nTracks], dev);
#endif
CDROM_CLOSE( dev, parentdev );
#endif
return ret;
}
/**************************************************************************
* CDROM_SetDoor [internal]
*/
int CDROM_SetDoor(WINE_CDAUDIO* wcda, int open, int parentdev)
{
int ret = -1;
#if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
int dev = CDROM_OPEN( wcda, parentdev );
TRACE("%d\n", open);
#ifdef linux
if (open) {
ret = ioctl(dev, CDROMEJECT);
} else {
ret = ioctl(dev, CDROMCLOSETRAY);
}
#else
ret = (ioctl(dev, CDIOCALLOW, NULL)) ||
(ioctl(dev, open ? CDIOCEJECT : CDIOCCLOSE, NULL)) ||
(ioctl(dev, CDIOCPREVENT, NULL));
#endif
wcda->nTracks = 0;
if (ret == -1)
WARN("failed (%s)\n", strerror(errno));
CDROM_CLOSE( dev, parentdev );
#endif
return ret;
}
/**************************************************************************
* CDROM_Reset [internal]
*/
int CDROM_Reset(WINE_CDAUDIO* wcda, int parentdev)
{
int ret = -1;
#if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
int dev = CDROM_OPEN( wcda, parentdev );
#ifdef linux
ret = ioctl(dev, CDROMRESET);
#else
ret = ioctl(dev, CDIOCRESET, NULL);
#endif
CDROM_CLOSE( dev, parentdev );
#endif
return ret;
}
WORD CDROM_Data_FindBestVoldesc(int fd)
{
BYTE cur_vd_type, max_vd_type = 0;
unsigned int offs, best_offs = 0;
for (offs=0x8000; offs <= 0x9800; offs += 0x800)
{
lseek(fd, offs, SEEK_SET);
read(fd, &cur_vd_type, 1);
if (cur_vd_type == 0xff) /* voldesc set terminator */
break;
if (cur_vd_type > max_vd_type)
{
max_vd_type = cur_vd_type;
best_offs = offs;
}
}
return best_offs;
}
/**************************************************************************
* CDROM_Audio_GetSerial [internal]
*/
DWORD CDROM_Audio_GetSerial(WINE_CDAUDIO* wcda)
{
unsigned long serial = 0;
int i;
DWORD dwFrame, msf;
WORD wMinutes, wSeconds, wFrames;
WORD wMagic;
DWORD dwStart, dwEnd;
/*
* wMagic collects the wFrames from track 1
* dwStart, dwEnd collect the beginning and end of the disc respectively, in
* frames.
* There it is collected for correcting the serial when there are less than
* 3 tracks.
*/
wMagic = 0;
dwStart = dwEnd = 0;
for (i = 0; i < wcda->nTracks; i++) {
dwFrame = wcda->lpdwTrackPos[i];
wMinutes = dwFrame / CDFRAMES_PERMIN;
wSeconds = (dwFrame - CDFRAMES_PERMIN * wMinutes) / CDFRAMES_PERSEC;
wFrames = dwFrame - CDFRAMES_PERMIN * wMinutes - CDFRAMES_PERSEC * wSeconds;
msf = CDROM_MAKE_MSF(wMinutes, wSeconds, wFrames);
serial += (CDROM_MSF_MINUTE(msf) << 16) +
(CDROM_MSF_SECOND(msf) << 8) +
(CDROM_MSF_FRAME(msf));
if (i==0)
{
wMagic = wFrames;
dwStart = dwFrame;
}
dwEnd = dwFrame + wcda->lpdwTrackLen[i];
}
if (wcda->nTracks < 3)
{
serial += wMagic + (dwEnd - dwStart);
}
return serial;
}
/**************************************************************************
* CDROM_Data_GetSerial [internal]
*/
DWORD CDROM_Data_GetSerial(WINE_CDAUDIO* wcda, int parentdev)
{
int dev = CDROM_OPEN( wcda, parentdev );
WORD offs = CDROM_Data_FindBestVoldesc(dev);
union {
unsigned long val;
unsigned char p[4];
} serial;
BYTE b0 = 0, b1 = 1, b2 = 2, b3 = 3;
serial.val = 0;
if (offs)
{
BYTE buf[2048];
OSVERSIONINFOA ovi;
int i;
lseek(dev,offs,SEEK_SET);
read(dev,buf,2048);
/*
* OK, another braindead one... argh. Just believe it.
* Me$$ysoft chose to reverse the serial number in NT4/W2K.
* It's true and nobody will ever be able to change it.
*/
ovi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOA);
GetVersionExA(&ovi);
if ((ovi.dwPlatformId == VER_PLATFORM_WIN32_NT)
&& (ovi.dwMajorVersion >= 4))
{
b0 = 3; b1 = 2; b2 = 1; b3 = 0;
}
for(i=0; i<2048; i+=4)
{
/* DON'T optimize this into DWORD !! (breaks overflow) */
serial.p[b0] += buf[i+b0];
serial.p[b1] += buf[i+b1];
serial.p[b2] += buf[i+b2];
serial.p[b3] += buf[i+b3];
}
}
CDROM_CLOSE( dev, parentdev );
return serial.val;
}
/**************************************************************************
* CDROM_GetSerial [internal]
*/
DWORD CDROM_GetSerial(int drive)
{
WINE_CDAUDIO wcda;
DWORD serial = 0;
/* EXPIRES 01.01.2002 */
WARN("CD-ROM serial number calculation might fail.\n");
WARN("Please test with as many exotic CDs as possible !\n");
if (!(CDROM_Open(&wcda, drive)))
{
int dev = CDROM_OpenDev(&wcda);
int media = CDROM_GetMediaType(&wcda, dev);
switch (media)
{
case CDS_AUDIO:
case CDS_MIXED: /* mixed is basically a mountable audio CD */
if (!(CDROM_Audio_GetCDStatus(&wcda, dev))) {
ERR("couldn't get CD status !\n");
goto end;
}
serial = CDROM_Audio_GetSerial(&wcda);
break;
case CDS_DATA_1:
case CDS_DATA_2:
case CDS_XA_2_1:
case CDS_XA_2_2:
case -1: /* ioctl() error: ISO9660 image file given ? */
/* hopefully a data CD */
serial = CDROM_Data_GetSerial(&wcda, dev);
break;
default:
WARN("Strange CD type (%d) or empty ?\n", media);
}
if (serial)
TRACE("CD serial number is %04x-%04x.\n",
HIWORD(serial), LOWORD(serial));
else
if (media >= CDS_AUDIO)
ERR("couldn't get CD serial !\n");
end:
CDROM_CloseDev(dev);
CDROM_Close(&wcda);
}
return serial;
}
/**************************************************************************
* CDROM_Data_GetLabel [internal]
*/
DWORD CDROM_Data_GetLabel(WINE_CDAUDIO* wcda, char *label, int parentdev)
{
#define LABEL_LEN 32+1
int dev = CDROM_OPEN( wcda, parentdev );
WORD offs = CDROM_Data_FindBestVoldesc(dev);
WCHAR label_read[LABEL_LEN]; /* Unicode possible, too */
DWORD unicode_id = 0;
if (offs)
{
if ((lseek(dev, offs+0x58, SEEK_SET) == offs+0x58)
&& (read(dev, &unicode_id, 3) == 3))
{
int ver = (unicode_id & 0xff0000) >> 16;
if ((lseek(dev, offs+0x28, SEEK_SET) != offs+0x28)
|| (read(dev, &label_read, LABEL_LEN) != LABEL_LEN))
goto failure;
CDROM_CLOSE( dev, parentdev );
if ((LOWORD(unicode_id) == 0x2f25) /* Unicode ID */
&& ((ver == 0x40) || (ver == 0x43) || (ver == 0x45)))
{ /* yippee, unicode */
int i;
WORD ch;
for (i=0; i<LABEL_LEN;i++)
{ /* Motorola -> Intel Unicode conversion :-\ */
ch = label_read[i];
label_read[i] = (ch << 8) | (ch >> 8);
}
WideCharToMultiByte( CP_ACP, 0, label_read, -1, label, 12, NULL, NULL );
label[11] = 0;
}
else
{
strncpy(label, (LPSTR)label_read, 11);
label[11] = '\0';
}
return 1;
}
}
failure:
CDROM_CLOSE( dev, parentdev );
ERR("error reading label !\n");
return 0;
}
/**************************************************************************
* CDROM_GetLabel [internal]
*/
DWORD CDROM_GetLabel(int drive, char *label)
{
WINE_CDAUDIO wcda;
DWORD ret = 1;
if (!(CDROM_Open(&wcda, drive)))
{
int dev = CDROM_OpenDev(&wcda);
int media = CDROM_GetMediaType(&wcda, dev);
LPSTR cdname = NULL;
switch (media)
{
case CDS_AUDIO:
cdname = "Audio";
strcpy(label, "Audio CD ");
break;
case CDS_DATA_1: /* fall through for all data CD types !! */
if (!cdname) cdname = "Data_1";
case CDS_DATA_2:
if (!cdname) cdname = "Data_2";
case CDS_XA_2_1:
if (!cdname) cdname = "XA 2.1";
case CDS_XA_2_2:
if (!cdname) cdname = "XA 2.2";
case -1:
if (!cdname) cdname = "Unknown/ISO file";
/* common code *here* !! */
/* hopefully a data CD */
if (!CDROM_Data_GetLabel(&wcda, label, dev))
ret = 0;
break;
case CDS_MIXED:
cdname = "Mixed mode";
ERR("We don't have a way of determining the label of a mixed mode CD - Linux doesn't allow raw access !!\n");
/* fall through */
case CDS_NO_INFO:
if (!cdname) cdname = "No_info";
ret = 0;
break;
default:
WARN("Strange CD type (%d) or empty ?\n", media);
cdname = "Strange/empty";
ret = 0;
break;
}
CDROM_CloseDev(dev);
CDROM_Close(&wcda);
TRACE("%s CD: label is '%s'.\n",
cdname, label);
}
else
ret = 0;
return ret;
}
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