AUDIO: Rename sound/ dir to audio/

svn-id: r55850

1 files changed, 179 insertions, 0 deletions

diff --git a/audio/softsynth/fmtowns_pc98/towns_audio.h b/audio/softsynth/fmtowns_pc98/towns_audio.h
new file mode 100644
index 0000000000..2819ab2d57
--- /dev/null
+++ b/audio/softsynth/fmtowns_pc98/towns_audio.h
@@ -0,0 +1,179 @@
+/* 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#ifndef TOWNS_AUDIO_H
+#define TOWNS_AUDIO_H
+
+#include "audio/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h"
+
+class TownsAudioInterfacePluginDriver {
+public:
+	virtual ~TownsAudioInterfacePluginDriver() {}
+	virtual void timerCallback(int timerId) = 0;
+};
+
+class TownsAudio_PcmChannel;
+class TownsAudio_WaveTable;
+
+class TownsAudioInterface : public TownsPC98_FmSynth {
+public:
+	TownsAudioInterface(Audio::Mixer *mixer, TownsAudioInterfacePluginDriver *driver);
+	~TownsAudioInterface();
+
+	bool init();
+
+	int callback(int command, ...);
+
+	void setMusicVolume(int volume);
+	void setSoundEffectVolume(int volume);
+	// Defines the channels used as sound effect channels for the purpose of ScummVM GUI volume control.
+	// The first 6 bits are the 6 fm channels. The next 8 bits are pcm channels.
+	void setSoundEffectChanMask(int mask);
+
+private:
+	void nextTickEx(int32 *buffer, uint32 bufferSize);
+
+	void timerCallbackA();
+	void timerCallbackB();
+
+	typedef int (TownsAudioInterface::*TownsAudioIntfCallback)(va_list &);
+	const TownsAudioIntfCallback *_intfOpcodes;
+
+	int intf_reset(va_list &args);
+	int intf_keyOn(va_list &args);
+	int intf_keyOff(va_list &args);
+	int intf_setPanPos(va_list &args);
+	int intf_setInstrument(va_list &args);
+	int intf_loadInstrument(va_list &args);
+	int intf_setPitch(va_list &args);
+	int intf_setLevel(va_list &args);
+	int intf_chanOff(va_list &args);
+	int intf_writeReg(va_list &args);
+	int intf_writeRegBuffer(va_list &args);
+	int intf_readRegBuffer(va_list &args);
+	int intf_setTimerA(va_list &args);
+	int intf_setTimerB(va_list &args);
+	int intf_enableTimerA(va_list &args);
+	int intf_enableTimerB(va_list &args);
+	int intf_loadSamples(va_list &args);
+	int intf_reserveEffectChannels(va_list &args);
+	int intf_loadWaveTable(va_list &args);
+	int intf_unloadWaveTable(va_list &args);
+	int intf_pcmPlayEffect(va_list &args);
+	int intf_pcmChanOff(va_list &args);
+	int intf_pcmEffectPlaying(va_list &args);
+	int intf_fmKeyOn(va_list &args);
+	int intf_fmKeyOff(va_list &args);
+	int intf_fmSetPanPos(va_list &args);
+	int intf_fmSetInstrument(va_list &args);
+	int intf_fmLoadInstrument(va_list &args);
+	int intf_fmSetPitch(va_list &args);
+	int intf_fmSetLevel(va_list &args);
+	int intf_fmReset(va_list &args);
+	int intf_setOutputVolume(va_list &args);
+	int intf_resetOutputVolume(va_list &args);
+	int intf_updateOutputVolume(va_list &args);
+	int intf_cdaToggle(va_list &args);
+	int intf_pcmUpdateEnvelopeGenerator(va_list &args);
+
+	int intf_notImpl(va_list &args);
+
+	void fmReset();
+	int fmKeyOn(int chan, int note, int velo);
+	int fmKeyOff(int chan);
+	int fmChanOff(int chan);
+	int fmSetPanPos(int chan, int mode);
+	int fmSetInstrument(int chan, int instrId);
+	int fmLoadInstrument(int instrId, const uint8 *data);
+	int fmSetPitch(int chan, int pitch);
+	int fmSetLevel(int chan, int lvl);
+
+	void bufferedWriteReg(uint8 part, uint8 regAddress, uint8 value);
+
+	uint8 _fmChanPlaying;
+	uint8 _fmChanNote[6];
+	int16 _fmChanPitch[6];
+
+	uint8 *_fmSaveReg[2];
+	uint8 *_fmInstruments;
+
+	void pcmReset();
+	int pcmKeyOn(int chan, int note, int velo);
+	int pcmKeyOff(int chan);
+	int pcmChanOff(int chan);
+	int pcmSetPanPos(int chan, int mode);
+	int pcmSetInstrument(int chan, int instrId);
+	int pcmLoadInstrument(int instrId, const uint8 *data);
+	int pcmSetPitch(int chan, int pitch);
+	int pcmSetLevel(int chan, int lvl);
+	void pcmUpdateEnvelopeGenerator(int chan);
+
+	TownsAudio_PcmChannel *_pcmChan;
+	uint8 _pcmChanOut;
+	uint8 _pcmChanReserved;
+	uint8 _pcmChanKeyPressed;
+	uint8 _pcmChanEffectPlaying;
+	uint8 _pcmChanKeyPlaying;
+
+	uint8 _pcmChanNote[8];
+	uint8 _pcmChanVelo[8];
+	uint8 _pcmChanLevel[8];
+
+	uint8 _numReservedChannels;
+	uint8 *_pcmInstruments;
+
+	TownsAudio_WaveTable *_waveTables;
+	uint8 _numWaveTables;
+	uint32 _waveTablesTotalDataSize;
+
+	void pcmCalcPhaseStep(TownsAudio_PcmChannel *p, TownsAudio_WaveTable *w);
+
+	void updateOutputVolume();
+	uint8 _outputVolumeFlags;
+	uint8 _outputLevel[16];
+	uint8 _outputMuteFlags;
+
+	const float _baserate;
+	uint32 _timerBase;
+	uint32 _tickLength;
+	uint32 _timer;
+
+	uint16 _musicVolume;
+	uint16 _sfxVolume;
+	int _pcmSfxChanMask;
+
+	TownsAudioInterfacePluginDriver *_drv;
+	bool _ready;
+
+	static const uint8 _chanFlags[];
+	static const uint16 _frequency[];
+	static const uint8 _carrier[];
+	static const uint8 _fmDefaultInstrument[];
+	static const uint16 _pcmPhase1[];
+	static const uint16 _pcmPhase2[];
+};
+
+#endif
+