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Corrected MSF->LBA conversion for CD audio.

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This commit is contained in:
TomW 2015-10-01 20:15:44 +01:00
commit 9bcd23c614
1 changed files with 8 additions and 2 deletions
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10
src/cdrom-ioctl.c
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@ -130,8 +130,14 @@ static void ioctl_playaudio(uint32_t pos, uint32_t len, int ismsf)
pclog("Play audio - %08X %08X %i\n", pos, len, ismsf);
if (ismsf)
{
pos = (pos & 0xff) + (((pos >> 8) & 0xff) * 75) + (((pos >> 16) & 0xff) * 75 * 60);
len = (len & 0xff) + (((len >> 8) & 0xff) * 75) + (((len >> 16) & 0xff) * 75 * 60);
int m = (pos >> 16) & 0xff;
int s = (pos >> 8) & 0xff;
int f = pos & 0xff;
pos = MSFtoLBA(m, s, f);
m = (len >> 16) & 0xff;
s = (len >> 8) & 0xff;
f = len & 0xff;
len = MSFtoLBA(m, s, f);
pclog("MSF - pos = %08X len = %08X\n", pos, len);
}
else