diff options
| author | Corinna Vinschen <corinna@vinschen.de> | 2004-04-05 12:30:41 +0400 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2004-04-05 12:30:41 +0400 |
| commit | 7e57d6d268a8a861603c82601231d12c61fa241e (patch) | |
| tree | 97bf858a541c3f72b3baefd9d3563344e1d9700f /winsup/cygwin | |
| parent | 63481100b18b8f79e83b063e0aa04eb983525137 (diff) | |
* fhandler_dsp.cc (fhandler_dev_dsp::ioctl): Add implementation
for ioctl codes SNDCTL_DSP_CHANNELS and SNDCTL_DSP_GETCAPS.
Diffstat (limited to 'winsup/cygwin')
| -rw-r--r-- | winsup/cygwin/ChangeLog | 8 | ||||
| -rw-r--r-- | winsup/cygwin/fhandler_dsp.cc | 39 |
2 files changed, 46 insertions, 1 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index 5f12dc889..2aaad0f16 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -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> diff --git a/winsup/cygwin/fhandler_dsp.cc b/winsup/cygwin/fhandler_dsp.cc index b614ede73..d9ce7d7b4 100644 --- a/winsup/cygwin/fhandler_dsp.cc +++ b/winsup/cygwin/fhandler_dsp.cc @@ -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) { |