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author | Paul Gilbert | 2019-03-02 20:43:19 -0800 |
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committer | Paul Gilbert | 2019-03-02 20:43:19 -0800 |
commit | 4c708dc97f5c515ba01aee0d5610489fa43fa1f9 (patch) | |
tree | 92267e11f516f4a6725546b0ad525d38abfb6986 /engines/glk/pc_speaker.cpp | |
parent | 8393faf036e07f8844ee01e94173da5cdcbb7f77 (diff) | |
download | scummvm-rg350-4c708dc97f5c515ba01aee0d5610489fa43fa1f9.tar.gz scummvm-rg350-4c708dc97f5c515ba01aee0d5610489fa43fa1f9.tar.bz2 scummvm-rg350-4c708dc97f5c515ba01aee0d5610489fa43fa1f9.zip |
GLK: FROTZ: Implement os_beep method
I instantiate a PCSpeaker instance in the main engine just for beeps,
because I don't know any simpler way. But hey, it works.
Diffstat (limited to 'engines/glk/pc_speaker.cpp')
-rw-r--r-- | engines/glk/pc_speaker.cpp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/engines/glk/pc_speaker.cpp b/engines/glk/pc_speaker.cpp new file mode 100644 index 0000000000..cbfce3e089 --- /dev/null +++ b/engines/glk/pc_speaker.cpp @@ -0,0 +1,52 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#include "audio/softsynth/pcspk.h" +#include "glk/pc_speaker.h" + +namespace Glk { + +PCSpeaker::PCSpeaker(Audio::Mixer *mixer) : _mixer(mixer) { + _stream = new Audio::PCSpeaker(_mixer->getOutputRate()); + _mixer->playStream(Audio::Mixer::kSFXSoundType, + &_handle, _stream, -1, 50, 0, DisposeAfterUse::NO, true); +} + +PCSpeaker::~PCSpeaker() { + _mixer->stopHandle(_handle); + delete _stream; +} + +void PCSpeaker::speakerOn(int16 frequency, int32 length) { + _stream->play(Audio::PCSpeaker::kWaveFormSquare, frequency, length); +} + +void PCSpeaker::speakerOff() { + _stream->stop(); +} + +void PCSpeaker::onUpdate(uint32 millis) { + if (_stream->isPlaying()) + _stream->stop(millis); +} + +} // End of namespace Glk |