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Cygwin: dsp: Avoid setting buffer that is too small.

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The buffer size that is too small causes choppy sound. That is not
practical at all. With this patch, the minimum value of the buffer
size (i.e. fragstotal * fragsize) is restricted to 16384 bytes.

Signed-off-by: Takashi Yano <takashi.yano@nifty.ne.jp>
This commit is contained in:
Takashi Yano 2023-09-17 08:49:34 +09:00
parent 8484773f47
commit 322c7150b2
1 changed files with 2 additions and 0 deletions
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2
winsup/cygwin/fhandler/dsp.cc
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@ -1430,6 +1430,8 @@ fhandler_dev_dsp::_ioctl (unsigned int cmd, void *buf)
int *p = (int *) buf;
fragstotal_ = min (*p >> 16, MAX_BLOCKS);
fragsize_ = 1 << (*p & 0xffff);
while (fragsize_ * fragstotal_ < 16384)
fragsize_ *= 2;
fragment_has_been_set = true;
return 0;
}