Techwizz/Gobligine
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CDDA mode skips a little less now

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This commit is contained in:
nehalmistry 2002-12-07 19:01:24 +00:00
parent 9cfca09565
commit 75ece0b2e4
1 changed files with 16 additions and 7 deletions

23
src/sound/cdda.cpp
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@ -38,6 +38,7 @@
#include <stdio.h>
global struct cdrom_read_audio data;
local void *bufstart;
/*----------------------------------------------------------------------------
-- Functions
@ -46,15 +47,21 @@ global struct cdrom_read_audio data;
local int CDRead(Sample *sample, void *buf, int len)
{
static int pos = 0;
static int count = 0;
sample->User = alloca(len);
data.addr.lba = CDtocentry[CDTrack].cdte_addr.lba + pos;
data.addr_format = CDROM_LBA;
data.nframes = len / 2352;
data.buf = sample->User;
ioctl(CDDrive, CDROMREADAUDIO, &data);
++count;
if (count == 8) {
count = 0;
sample->User = bufstart;
data.addr.lba = CDtocentry[CDTrack].cdte_addr.lba + pos / 2352;
data.addr_format = CDROM_LBA;
data.nframes = len * 8 / 2352;
data.buf = sample->User;
ioctl(CDDrive, CDROMREADAUDIO, &data);
} else {
sample->User += len;
}
pos += len;
memcpy(buf, sample->User, len);
@ -93,6 +100,8 @@ global Sample* LoadCD(const char* name __attribute__((unused)),
sample->User = malloc(8192 * 10);
sample->Type = &CDStreamSampleType;
sample->Length = 0;
bufstart = sample->User;
return sample;
}