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* fhandler_dsp.cc (fhandler_dev_dsp::ioctl): Add implementation 

for ioctl codes SNDCTL_DSP_CHANNELS and SNDCTL_DSP_GETCAPS.
This commit is contained in:
Corinna Vinschen 2004-04-05 08:30:41 +00:00
parent 63481100b1
commit 7e57d6d268
2 changed files with 46 additions and 1 deletions
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8
winsup/cygwin/ChangeLog
View File

@ -1,6 +1,12 @@
2004-04-04 Gerd Spalink <Gerd.Spalink@t-online.de>
* fhandler_dsp.cc (fhandler_dev_dsp::ioctl): Add implementation
for ioctl codes SNDCTL_DSP_CHANNELS and SNDCTL_DSP_GETCAPS.
2004-04-03 Christopher Faylor <cgf@redhat.com>
* child_info.h (child_info::cygheap_reserve_sz): Rename from cygheap_alloc_sz.
* child_info.h (child_info::cygheap_reserve_sz): Rename from
cygheap_alloc_sz.
* cygheap.cc: Rename alloc_sz to reserve_sz throughout.
2004-04-03 Corinna Vinschen <corinna@vinschen.de>

39
winsup/cygwin/fhandler_dsp.cc
View File

@ -1370,6 +1370,38 @@ fhandler_dev_dsp::ioctl (unsigned int cmd, void *ptr)
}
break;
CASE (SNDCTL_DSP_CHANNELS)
{
int nChannels = *intptr;
if (audio_out_)
{
RETURN_ERROR_WHEN_BUSY (audio_out_);
audio_out_->stop ();
if (audio_out_->query (audiofreq_, audiobits_, nChannels))
audiochannels_ = nChannels;
else
{
*intptr = audiochannels_;
return -1;
}
}
if (audio_in_)
{
RETURN_ERROR_WHEN_BUSY (audio_in_);
audio_in_->stop ();
if (audio_in_->query (audiofreq_, audiobits_, nChannels))
audiochannels_ = nChannels;
else
{
*intptr = audiochannels_;
return -1;
}
}
return 0;
}
break;
CASE (SNDCTL_DSP_GETOSPACE)
{
audio_buf_info *p = (audio_buf_info *) ptr;
@ -1399,6 +1431,13 @@ fhandler_dev_dsp::ioctl (unsigned int cmd, void *ptr)
}
break;
CASE (SNDCTL_DSP_GETCAPS)
{
*intptr = DSP_CAP_BATCH | DSP_CAP_DUPLEX;
return 0;
}
break;
CASE (SNDCTL_DSP_POST)
CASE (SNDCTL_DSP_SYNC)
{