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More duplex mode soundcard info.

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Robert Reif 2004-03-31 19:57:53 +00:00 committed by Alexandre Julliard
parent 85c2ccec76
commit 86976d53e2
1 changed files with 30 additions and 1 deletions
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31
dlls/winmm/wineoss/audio.c
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@ -892,7 +892,9 @@ static BOOL OSS_WaveInInit(OSS_DEVICE* ossdev)
*/
static void OSS_WaveFullDuplexInit(OSS_DEVICE* ossdev)
{
int caps;
int rc,arg;
int f,c,r;
int caps;
TRACE("(%p) %s\n", ossdev, ossdev->dev_name);
if (OSS_OpenDevice(ossdev, O_RDWR, NULL, 0,-1,-1,-1) != 0)
@ -905,6 +907,33 @@ static void OSS_WaveFullDuplexInit(OSS_DEVICE* ossdev)
if (WINE_TRACE_ON(wave))
OSS_Info(ossdev->fd);
/* See the comment in OSS_WaveOutInit */
for (f=0;f<2;f++) {
arg=win_std_oss_fmts[f];
rc=ioctl(ossdev->fd, SNDCTL_DSP_SAMPLESIZE, &arg);
if (rc!=0 || arg!=win_std_oss_fmts[f]) {
TRACE("DSP_SAMPLESIZE: rc=%d returned 0x%x for 0x%x\n",
rc,arg,win_std_oss_fmts[f]);
continue;
}
for (c=0;c<2;c++) {
arg=c;
rc=ioctl(ossdev->fd, SNDCTL_DSP_STEREO, &arg);
if (rc!=0 || arg!=c) {
TRACE("DSP_STEREO: rc=%d returned %d for %d\n",rc,arg,c);
continue;
}
for (r=0;r<sizeof(win_std_rates)/sizeof(*win_std_rates);r++) {
arg=win_std_rates[r];
rc=ioctl(ossdev->fd, SNDCTL_DSP_SPEED, &arg);
TRACE("DSP_SPEED: rc=%d returned %d for %dx%dx%d\n",
rc,arg,win_std_rates[r],win_std_oss_fmts[f],c+1);
}
}
}
if (ioctl(ossdev->fd, SNDCTL_DSP_GETCAPS, &caps) == 0)
ossdev->full_duplex = (caps & DSP_CAP_DUPLEX);