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Windows IOCTL CD-ROM code no longer stops CD audio when reading disc size. Fixes CD audio in OS/2.

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This commit is contained in:
TomW 2016-03-31 21:24:01 +01:00
commit db3519657a
1 changed files with 30 additions and 5 deletions
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35
src/cdrom-ioctl.c
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@ -26,6 +26,7 @@ typedef struct _CDROM_TOC_SESSION_DATA {
static ATAPI ioctl_atapi;
static uint32_t last_block = 0;
static uint32_t cdrom_capacity = 0;
static int ioctl_inited = 0;
static char ioctl_path[8];
void ioctl_close(void);
@ -258,6 +259,31 @@ static int ioctl_ready(void)
return 1;
}
static int ioctl_get_last_block(unsigned char starttrack, int msf, int maxlen, int single)
{
long size;
int c;
CDROM_TOC lbtoc;
int lb=0;
if (!cdrom_drive) return 0;
ioctl_cd_state = CD_STOPPED;
ioctl_open(0);
DeviceIoControl(hIOCTL,IOCTL_CDROM_READ_TOC, NULL,0,&lbtoc,sizeof(lbtoc),&size,NULL);
ioctl_close();
tocvalid = 1;
for (c = 0; c <= lbtoc.LastTrack; c++)
{
uint32_t address;
address = MSFtoLBA(toc.TrackData[c].Address[1], toc.TrackData[c].Address[2], toc.TrackData[c].Address[3]);
if (address > lb)
lb = address;
}
return lb;
}
static int ioctl_medium_changed(void)
{
long size;
@ -276,6 +302,7 @@ static int ioctl_medium_changed(void)
tocvalid = 1;
if (cdrom_drive != old_cdrom_drive)
old_cdrom_drive = cdrom_drive;
cdrom_capacity = ioctl_get_last_block(0, 0, 4096, 0);
return 0;
}
if ((ltoc.TrackData[ltoc.LastTrack].Address[1] != toc.TrackData[toc.LastTrack].Address[1]) ||
@ -284,6 +311,7 @@ static int ioctl_medium_changed(void)
{
ioctl_cd_state = CD_STOPPED;
toc = ltoc;
cdrom_capacity = ioctl_get_last_block(0, 0, 4096, 0);
return 1; /* TOC mismatches. */
}
return 0; /* None of the above, return 0. */
@ -393,6 +421,7 @@ static void ioctl_load(void)
ioctl_open(0);
DeviceIoControl(hIOCTL,IOCTL_STORAGE_LOAD_MEDIA,NULL,0,NULL,0,&size,NULL);
ioctl_close();
cdrom_capacity = ioctl_get_last_block(0, 0, 4096, 0);
}
static void ioctl_readsector(uint8_t *b, int sector)
@ -637,11 +666,7 @@ static int ioctl_readtoc_raw(unsigned char *b, int maxlen)
static uint32_t ioctl_size()
{
unsigned char b[4096];
atapi->readtoc(b, 0, 0, 4096, 0);
return last_block;
return cdrom_capacity;
}
static int ioctl_status()