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oss: fix fragment setting 

Previous patch introduced subtle regression, in cases when
OSS_GETVERSION fails the code wasn't falling back to
SNDCTL_DSP_SETFRAGMENT.

Signed-off-by: malc <av1474@comtv.ru>
This commit is contained in:
malc 2010-01-09 18:06:54 +03:00
parent 6d246526ce
commit 3d709fe73a
1 changed files with 16 additions and 13 deletions
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29
audio/ossaudio.c
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@ -247,6 +247,7 @@ static int oss_open (int in, struct oss_params *req,
int oflags = conf.exclusive ? O_EXCL : 0;
audio_buf_info abinfo;
int fmt, freq, nchannels;
int setfragment = 1;
const char *dspname = in ? conf.devpath_in : conf.devpath_out;
const char *typ = in ? "ADC" : "DAC";
@ -290,25 +291,27 @@ static int oss_open (int in, struct oss_params *req,
if (ioctl (fd, OSS_GETVERSION, &version)) {
oss_logerr2 (errno, typ, "Failed to get OSS version\n");
version = 0;
}
else {
if (conf.debug) {
dolog ("OSS version = %#x\n", version);
}
if (conf.debug) {
dolog ("OSS version = %#x\n", version);
}
if (version >= 0x040000) {
int policy = conf.policy;
if (ioctl (fd, SNDCTL_DSP_POLICY, &policy)) {
oss_logerr2 (errno, typ, "Failed to set timing policy to %d\n",
conf.policy);
goto err;
if (version >= 0x040000) {
int policy = conf.policy;
if (ioctl (fd, SNDCTL_DSP_POLICY, &policy)) {
oss_logerr2 (errno, typ,
"Failed to set timing policy to %d\n",
conf.policy);
goto err;
}
setfragment = 0;
}
}
}
else
#endif
{
if (setfragment) {
int mmmmssss = (req->nfrags << 16) | ctz32 (req->fragsize);
if (ioctl (fd, SNDCTL_DSP_SETFRAGMENT, &mmmmssss)) {
oss_logerr2 (errno, typ, "Failed to set buffer length (%d, %d)\n",