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+/* 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_H
+#define KYRA_SOUND_H
+
+#include "kyra/kyra_v1.h"
+
+#include "common/scummsys.h"
+#include "common/str.h"
+
+#include "audio/mixer.h"
+
+namespace Audio {
+class AudioStream;
+class SeekableAudioStream;
+} // End of namespace Audio
+
+namespace Kyra {
+
+// Helper structs to format the data passed to the various initAudioResourceInfo() implementations
+struct SoundResourceInfo_PC {
+ SoundResourceInfo_PC(const char *const *files, int numFiles) : fileList(files), fileListSize(numFiles) {}
+ const char *const *fileList;
+ uint fileListSize;
+};
+
+struct SoundResourceInfo_Towns {
+ SoundResourceInfo_Towns(const char *const *files, int numFiles, const int32 *cdaTbl, int cdaTblSize) : fileList(files), fileListSize(numFiles), cdaTable(cdaTbl), cdaTableSize(cdaTblSize) {}
+ const char *const *fileList;
+ uint fileListSize;
+ const int32 *cdaTable;
+ uint cdaTableSize;
+};
+
+struct SoundResourceInfo_PC98 {
+ SoundResourceInfo_PC98(const char *fileNamePattern) : pattern(fileNamePattern) {}
+ const char *pattern;
+};
+
+struct SoundResourceInfo_TownsPC98V2 {
+ SoundResourceInfo_TownsPC98V2(const char *const *files, int numFiles, const char *fileNamePattern, const uint16 *cdaTbl, int cdaTblSize) : fileList(files), fileListSize(numFiles), pattern(fileNamePattern), cdaTable(cdaTbl), cdaTableSize(cdaTblSize) {}
+ const char *const *fileList;
+ uint fileListSize;
+ const char *pattern;
+ const uint16 *cdaTable;
+ uint cdaTableSize;
+};
+
+struct SoundResourceInfo_TownsEoB {
+ SoundResourceInfo_TownsEoB(const uint8 *pcmdata, uint dataSize, int pcmvolume) : pcmData(pcmdata), pcmDataSize(dataSize), pcmVolume(pcmvolume) {}
+ const uint8 *pcmData;
+ uint pcmDataSize;
+ int pcmVolume;
+};
+
+/**
+ * Analog audio output device API for Kyrandia games.
+ * It contains functionality to play music tracks,
+ * sound effects and voices.
+ */
+class Sound {
+public:
+ Sound(KyraEngine_v1 *vm, Audio::Mixer *mixer);
+ virtual ~Sound();
+
+ enum kType {
+ kAdLib,
+ kMidiMT32,
+ kMidiGM,
+ kTowns,
+ kPC98,
+ kPCSpkr,
+ kAmiga
+ };
+
+ virtual kType getMusicType() const = 0;
+ virtual kType getSfxType() const;
+
+ /**
+ * Initializes the output device.
+ *
+ * @return true on success, else false
+ */
+ virtual bool init() = 0;
+
+ /**
+ * Updates the device, this is needed for some devices.
+ */
+ virtual void process() {}
+
+ /**
+ * Updates internal volume settings according to ConfigManager.
+ */
+ virtual void updateVolumeSettings() {}
+
+ /**
+ * Assigns static resource data with information on how to load
+ * audio resources to
+ *
+ * @param set value defined in AudioResourceSet enum
+ * info various types of resource info data (file list, file name pattern, struct, etc. - depending on the inheriting driver type)
+ */
+ virtual void initAudioResourceInfo(int set, void *info) = 0;
+
+ /**
+ * Select audio resource set.
+ *
+ * @param set value defined in AudioResourceSet enum
+ */
+ virtual void selectAudioResourceSet(int set) = 0;
+
+ /**
+ * Checks if a given sound file is present.
+ *
+ * @param track track number
+ * @return true if available, false otherwise
+ */
+ virtual bool hasSoundFile(uint file) const = 0;
+
+ /**
+ * Load a specifc sound file for use of
+ * playing music and sound effects.
+ */
+ virtual void loadSoundFile(uint file) = 0;
+
+ /**
+ * Load a sound file for playing music
+ * (and sometimes sound effects) from.
+ */
+ virtual void loadSoundFile(Common::String file) = 0;
+
+ /**
+ * Load a sound file for playing sound
+ * effects from.
+ */
+ virtual void loadSfxFile(Common::String file) {}
+
+ /**
+ * Plays the specified track.
+ *
+ * @param track track number
+ */
+ virtual void playTrack(uint8 track) = 0;
+
+ /**
+ * Stop playback of the current track.
+ */
+ virtual void haltTrack() = 0;
+
+ /**
+ * Plays the specified sound effect.
+ *
+ * @param track sound effect id
+ */
+ virtual void playSoundEffect(uint8 track, uint8 volume = 0xFF) = 0;
+
+ /**
+ * Stop playback of all sfx tracks.
+ */
+ virtual void stopAllSoundEffects() {}
+
+ /**
+ * Checks if the sound driver plays any sound.
+ *
+ * @return true if playing, false otherwise
+ */
+ virtual bool isPlaying() const;
+
+ /**
+ * Starts fading out the volume.
+ *
+ * This keeps fading out the output until
+ * it is silenced, but does not change
+ * the volume set by setVolume! It will
+ * automatically reset the volume when
+ * playing a new track or sound effect.
+ */
+ virtual void beginFadeOut() = 0;
+
+ /**
+ * Stops all audio playback when paused. Continues after end of pause.
+ */
+ virtual void pause(bool paused) {}
+
+ void enableMusic(int enable) { _musicEnabled = enable; }
+ int musicEnabled() const { return _musicEnabled; }
+ void enableSFX(bool enable) { _sfxEnabled = enable; }
+ bool sfxEnabled() const { return _sfxEnabled; }
+
+ /**
+ * Checks whether a voice file with the given name is present
+ *
+ * @param file file name
+ * @return true if available, false otherwise
+ */
+ bool isVoicePresent(const char *file) const;
+
+ /**
+ * Plays the specified voice file.
+ *
+ * Also before starting to play the
+ * specified voice file, it stops the
+ * current voice.
+ *
+ * @param file file to be played
+ * @param volume volume of the voice file
+ * @param isSfx marks file as sfx instead of voice
+ * @param handle store a copy of the sound handle
+ * @return playtime of the voice file (-1 marks unknown playtime)
+ */
+ virtual int32 voicePlay(const char *file, Audio::SoundHandle *handle = 0, uint8 volume = 255, uint8 priority = 255, bool isSfx = false);
+
+ Audio::SeekableAudioStream *getVoiceStream(const char *file) const;
+
+ bool playVoiceStream(Audio::AudioStream *stream, Audio::SoundHandle *handle = 0, uint8 volume = 255, uint8 priority = 255, bool isSfx = false);
+
+ /**
+ * Checks if a voice is being played.
+ *
+ * @return true when playing, else false
+ */
+ bool voiceIsPlaying(const Audio::SoundHandle *handle = 0) const;
+
+ /**
+ * Checks if all voice handles are used.
+ *
+ * @return false when a handle is free, else true
+ */
+ bool allVoiceChannelsPlaying() const;
+
+ /**
+ * Checks how long a voice has been playing
+ *
+ * @return time in milliseconds
+ */
+ uint32 voicePlayedTime(const Audio::SoundHandle &handle) const {
+ return _mixer->getSoundElapsedTime(handle);
+ }
+
+ /**
+ * Stops playback of the current voice.
+ */
+ void voiceStop(const Audio::SoundHandle *handle = 0);
+
+ /**
+ * Receive notifications from a song at certain points.
+ */
+ virtual int checkTrigger() { return 0; }
+
+ /**
+ * Reset sound trigger.
+ */
+ virtual void resetTrigger() {}
+protected:
+ enum {
+ kNumChannelHandles = 4
+ };
+
+ struct SoundChannel {
+ SoundChannel() : handle(), priority(0) {}
+ Audio::SoundHandle handle;
+ int priority;
+ };
+
+ SoundChannel _soundChannels[kNumChannelHandles];
+
+ int _musicEnabled;
+ bool _sfxEnabled;
+
+ KyraEngine_v1 *_vm;
+ Audio::Mixer *_mixer;
+
+private:
+ struct SpeechCodecs {
+ const char *fileext;
+ Audio::SeekableAudioStream *(*streamFunc)(
+ Common::SeekableReadStream *stream,
+ DisposeAfterUse::Flag disposeAfterUse);
+ };
+
+ static const SpeechCodecs _supportedCodecs[];
+};
+
+class MixedSoundDriver : public Sound {
+public:
+ MixedSoundDriver(KyraEngine_v1 *vm, Audio::Mixer *mixer, Sound *music, Sound *sfx);
+ ~MixedSoundDriver();
+
+ virtual kType getMusicType() const;
+ virtual kType getSfxType() const;
+
+ virtual bool init();
+ virtual void process();
+
+ virtual void updateVolumeSettings();
+
+ virtual void initAudioResourceInfo(int set, void *info);
+ virtual void selectAudioResourceSet(int set);
+ virtual bool hasSoundFile(uint file) const;
+ virtual void loadSoundFile(uint file);
+ virtual void loadSoundFile(Common::String file);
+
+ virtual void loadSfxFile(Common::String file);
+
+ virtual void playTrack(uint8 track);
+ virtual void haltTrack();
+ virtual bool isPlaying() const;
+
+ virtual void playSoundEffect(uint8 track, uint8 volume = 0xFF);
+
+ virtual void stopAllSoundEffects();
+
+ virtual void beginFadeOut();
+ virtual void pause(bool paused);
+private:
+ Sound *_music, *_sfx;
+};
+
+} // End of namespace Kyra
+
+#endif