diff options
Diffstat (limited to 'engines/kyra/sound_digital.h')
-rw-r--r-- | engines/kyra/sound_digital.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/engines/kyra/sound_digital.h b/engines/kyra/sound_digital.h new file mode 100644 index 0000000000..271dde6a21 --- /dev/null +++ b/engines/kyra/sound_digital.h @@ -0,0 +1,119 @@ +/* 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. + * + */ + +#ifndef KYRA_SOUND_DIGITAL_H +#define KYRA_SOUND_DIGITAL_H + +#include "audio/mixer.h" + +namespace Common { +class SeekableReadStream; +} // End of namespace Common + +namespace Audio { +class SeekableAudioStream; +} // End of namespace Audio + +namespace Kyra { + +// Digital Audio +class KyraAudioStream; +class KyraEngine_MR; + +/** + * Digital audio output device. + * + * This is just used for Kyrandia 3. + */ +class SoundDigital { +public: + SoundDigital(KyraEngine_MR *vm, Audio::Mixer *mixer); + ~SoundDigital(); + + /** + * Plays a sound. + * + * @param filename file to be played + * @param priority priority of the sound + * @param type type + * @param volume channel volume + * @param loop true if the sound should loop (endlessly) + * @param channel tell the sound player to use a specific channel for playback + * + * @return channel playing the sound + */ + int playSound(const char *filename, uint8 priority, Audio::Mixer::SoundType type, int volume = 255, bool loop = false, int channel = -1); + + /** + * Checks if a given channel is playing a sound. + * + * @param channel channel number to check + * @return true if playing, else false + */ + bool isPlaying(int channel); + + /** + * Stop the playback of a sound in the given + * channel. + * + * @param channel channel number + */ + void stopSound(int channel); + + /** + * Stops playback of all sounds. + */ + void stopAllSounds(); + + /** + * Makes the sound in a given channel + * fading out. + * + * @param channel channel number + * @param ticks fadeout time + */ + void beginFadeOut(int channel, int ticks); +private: + KyraEngine_MR *_vm; + Audio::Mixer *_mixer; + + struct Sound { + Audio::SoundHandle handle; + + char filename[16]; + uint8 priority; + KyraAudioStream *stream; + } _sounds[4]; + + struct AudioCodecs { + const char *fileext; + Audio::SeekableAudioStream *(*streamFunc)( + Common::SeekableReadStream *stream, + DisposeAfterUse::Flag disposeAfterUse); + }; + + static const AudioCodecs _supportedCodecs[]; +}; + +} // End of namespace Kyra + +#endif |