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121 lines
3.3 KiB
C++
121 lines
3.3 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "audio/audiostream.h"
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#include "audio/decoders/wave.h"
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#include "common/substream.h"
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#include "common/system.h"
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#include "common/debug.h"
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#include "petka/petka.h"
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#include "petka/sound.h"
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namespace Petka {
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Sound::Sound(Common::SeekableReadStream *stream, Audio::Mixer::SoundType type)
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: _type(type), _stream(stream->readStream(stream->size())) {
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delete stream;
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}
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Sound::~Sound() {
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stop();
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}
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void Sound::play(bool isLoop) {
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if (!_stream)
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return;
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stop();
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Audio::AudioStream *audioStream;
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Audio::SeekableAudioStream *wavStream = Audio::makeWAVStream(_stream.get(), DisposeAfterUse::NO);
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if (isLoop)
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audioStream = Audio::makeLoopingAudioStream(wavStream, 0, 0, 0);
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else
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audioStream = wavStream;
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g_system->getMixer()->playStream(_type, &_handle , audioStream);
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}
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bool Sound::isPlaying() {
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return g_system->getMixer()->isSoundHandleActive(_handle);
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}
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void Sound::stop() {
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g_system->getMixer()->stopHandle(_handle);
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_stream->seek(0, SEEK_SET);
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}
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void Sound::setBalance(uint16 x, uint16 width) {
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// original scales from -12.5 db to 12.5 db
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g_system->getMixer()->setChannelBalance(_handle, (int8)(255 * (2 * x - width) / (2 * width)));
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}
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Audio::Mixer::SoundType Sound::type() {
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return _type;
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}
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void Sound::pause(bool p) {
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g_system->getMixer()->pauseHandle(_handle, p);
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}
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Sound *SoundMgr::addSound(const Common::String &name, Audio::Mixer::SoundType type) {
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Sound *sound = findSound(name);
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if (sound)
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return sound;
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Common::SeekableReadStream *s = _vm.openFile(name, false);
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if (s) {
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debug("SoundMgr: added sound %s", name.c_str());
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sound = new Sound(s, type);
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_sounds.getVal(name).reset(sound);
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}
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return sound;
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}
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Sound *SoundMgr::findSound(const Common::String &name) const {
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SoundsMap::iterator it = _sounds.find(name);
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return it != _sounds.end() ? it->_value.get() : nullptr;
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}
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void SoundMgr::removeSound(const Common::String &name) {
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debug("SoundMgr::removeSound %s", name.c_str());
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_sounds.erase(name);
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}
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void SoundMgr::removeAll() {
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debug("SoundMgr::removeAll");
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_sounds.clear(false);
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}
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void SoundMgr::removeSoundsWithType(Audio::Mixer::SoundType type) {
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SoundsMap::iterator it;
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for (it = _sounds.begin(); it != _sounds.end(); ++it) {
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Sound *s = it->_value.get();
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if (s->type() == type) {
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_sounds.erase(it); // it is safe to inc iterator after erasing in our hashmap impl
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}
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}
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}
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} // End of namespace Petka
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