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120 lines
2.9 KiB
C++
120 lines
2.9 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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#ifndef KYRA_SOUND_DIGITAL_H
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#define KYRA_SOUND_DIGITAL_H
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#include "audio/mixer.h"
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namespace Common {
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class SeekableReadStream;
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} // End of namespace Common
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namespace Audio {
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class SeekableAudioStream;
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} // End of namespace Audio
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namespace Kyra {
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// Digital Audio
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class KyraAudioStream;
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class KyraEngine_MR;
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/**
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* Digital audio output device.
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*
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* This is just used for Kyrandia 3.
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*/
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class SoundDigital {
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public:
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SoundDigital(KyraEngine_MR *vm, Audio::Mixer *mixer);
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~SoundDigital();
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/**
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* Plays a sound.
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*
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* @param filename file to be played
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* @param priority priority of the sound
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* @param type type
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* @param volume channel volume
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* @param loop true if the sound should loop (endlessly)
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* @param channel tell the sound player to use a specific channel for playback
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*
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* @return channel playing the sound
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*/
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int playSound(const char *filename, uint8 priority, Audio::Mixer::SoundType type, int volume = 255, bool loop = false, int channel = -1);
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/**
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* Checks if a given channel is playing a sound.
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*
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* @param channel channel number to check
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* @return true if playing, else false
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*/
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bool isPlaying(int channel);
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/**
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* Stop the playback of a sound in the given
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* channel.
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*
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* @param channel channel number
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*/
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void stopSound(int channel);
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/**
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* Stops playback of all sounds.
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*/
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void stopAllSounds();
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/**
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* Makes the sound in a given channel
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* fading out.
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*
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* @param channel channel number
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* @param ticks fadeout time
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*/
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void beginFadeOut(int channel, int ticks);
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private:
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KyraEngine_MR *_vm;
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Audio::Mixer *_mixer;
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struct Sound {
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Audio::SoundHandle handle;
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char filename[16];
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uint8 priority;
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KyraAudioStream *stream;
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} _sounds[4];
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struct AudioCodecs {
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const char *fileext;
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Audio::SeekableAudioStream *(*streamFunc)(
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Common::SeekableReadStream *stream,
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DisposeAfterUse::Flag disposeAfterUse);
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};
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static const AudioCodecs _supportedCodecs[];
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};
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} // End of namespace Kyra
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#endif
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