diff options
Diffstat (limited to 'source/soundux.h')
-rw-r--r-- | source/soundux.h | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/source/soundux.h b/source/soundux.h new file mode 100644 index 0000000..9892dcf --- /dev/null +++ b/source/soundux.h @@ -0,0 +1,247 @@ +/******************************************************************************* + Snes9x - Portable Super Nintendo Entertainment System (TM) emulator. + + (c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com) and + Jerremy Koot (jkoot@snes9x.com) + + (c) Copyright 2001 - 2004 John Weidman (jweidman@slip.net) + + (c) Copyright 2002 - 2004 Brad Jorsch (anomie@users.sourceforge.net), + funkyass (funkyass@spam.shaw.ca), + Joel Yliluoma (http://iki.fi/bisqwit/) + Kris Bleakley (codeviolation@hotmail.com), + Matthew Kendora, + Nach (n-a-c-h@users.sourceforge.net), + Peter Bortas (peter@bortas.org) and + zones (kasumitokoduck@yahoo.com) + + C4 x86 assembler and some C emulation code + (c) Copyright 2000 - 2003 zsKnight (zsknight@zsnes.com), + _Demo_ (_demo_@zsnes.com), and Nach + + C4 C++ code + (c) Copyright 2003 Brad Jorsch + + DSP-1 emulator code + (c) Copyright 1998 - 2004 Ivar (ivar@snes9x.com), _Demo_, Gary Henderson, + John Weidman, neviksti (neviksti@hotmail.com), + Kris Bleakley, Andreas Naive + + DSP-2 emulator code + (c) Copyright 2003 Kris Bleakley, John Weidman, neviksti, Matthew Kendora, and + Lord Nightmare (lord_nightmare@users.sourceforge.net + + OBC1 emulator code + (c) Copyright 2001 - 2004 zsKnight, pagefault (pagefault@zsnes.com) and + Kris Bleakley + Ported from x86 assembler to C by sanmaiwashi + + SPC7110 and RTC C++ emulator code + (c) Copyright 2002 Matthew Kendora with research by + zsKnight, John Weidman, and Dark Force + + S-DD1 C emulator code + (c) Copyright 2003 Brad Jorsch with research by + Andreas Naive and John Weidman + + S-RTC C emulator code + (c) Copyright 2001 John Weidman + + ST010 C++ emulator code + (c) Copyright 2003 Feather, Kris Bleakley, John Weidman and Matthew Kendora + + Super FX x86 assembler emulator code + (c) Copyright 1998 - 2003 zsKnight, _Demo_, and pagefault + + Super FX C emulator code + (c) Copyright 1997 - 1999 Ivar, Gary Henderson and John Weidman + + + SH assembler code partly based on x86 assembler code + (c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se) + + + Specific ports contains the works of other authors. See headers in + individual files. + + Snes9x homepage: http://www.snes9x.com + + Permission to use, copy, modify and distribute Snes9x in both binary and + source form, for non-commercial purposes, is hereby granted without fee, + providing that this license information and copyright notice appear with + all copies and any derived work. + + This software is provided 'as-is', without any express or implied + warranty. In no event shall the authors be held liable for any damages + arising from the use of this software. + + Snes9x is freeware for PERSONAL USE only. Commercial users should + seek permission of the copyright holders first. Commercial use includes + charging money for Snes9x or software derived from Snes9x. + + The copyright holders request that bug fixes and improvements to the code + should be forwarded to them so everyone can benefit from the modifications + in future versions. + + Super NES and Super Nintendo Entertainment System are trademarks of + Nintendo Co., Limited and its subsidiary companies. +*******************************************************************************/ +#ifndef _SOUND_H_ +#define _SOUND_H_ + +enum { SOUND_SAMPLE = 0, SOUND_NOISE, SOUND_EXTRA_NOISE, SOUND_MUTE }; +enum { SOUND_SILENT, SOUND_ATTACK, SOUND_DECAY, SOUND_SUSTAIN, + SOUND_RELEASE, SOUND_GAIN, SOUND_INCREASE_LINEAR, + SOUND_INCREASE_BENT_LINE, SOUND_DECREASE_LINEAR, + SOUND_DECREASE_EXPONENTIAL}; + +enum { MODE_NONE = SOUND_SILENT, MODE_ADSR, MODE_RELEASE = SOUND_RELEASE, + MODE_GAIN, MODE_INCREASE_LINEAR, MODE_INCREASE_BENT_LINE, + MODE_DECREASE_LINEAR, MODE_DECREASE_EXPONENTIAL}; + +#define MAX_ENVELOPE_HEIGHT 127 +#define ENVELOPE_SHIFT 7 +#define MAX_VOLUME 127 +#define VOLUME_SHIFT 7 +#define VOL_DIV 128 +#define SOUND_DECODE_LENGTH 16 + +#define NUM_CHANNELS 8 +#define SOUND_BUFFER_SIZE (1024 * 16) +#define MAX_BUFFER_SIZE SOUND_BUFFER_SIZE +#define SOUND_BUFFER_SIZE_MASK (SOUND_BUFFER_SIZE - 1) + +#define SOUND_BUFS 4 + +#ifdef __sgi +# include <audio.h> +#endif /* __sgi */ + +typedef struct { + int sound_fd; + int sound_switch; + int playback_rate; + int buffer_size; + int noise_gen; + bool8 mute_sound; + int stereo; + bool8 sixteen_bit; + bool8 encoded; +#ifdef __sun + int last_eof; +#endif +#ifdef __sgi + ALport al_port; +#endif /* __sgi */ + int32 samples_mixed_so_far; + int32 play_position; + uint32 err_counter; + uint32 err_rate; +} SoundStatus; + +EXTERN_C volatile SoundStatus so; + +typedef struct { + int state; + int type; + short volume_left; + short volume_right; + uint32 hertz; + uint32 frequency; + uint32 count; + bool8 loop; + int envx; + short left_vol_level; + short right_vol_level; + short envx_target; + unsigned long int env_error; + unsigned long erate; + int direction; + unsigned long attack_rate; + unsigned long decay_rate; + unsigned long sustain_rate; + unsigned long release_rate; + unsigned long sustain_level; + signed short sample; + signed short decoded [16]; + signed short previous16 [2]; + signed short *block; + uint16 sample_number; + bool8 last_block; + bool8 needs_decode; + uint32 block_pointer; + uint32 sample_pointer; + int *echo_buf_ptr; + int mode; + int32 envxx; + signed short next_sample; + int32 interpolate; + int32 previous [2]; + // Just incase they are needed in the future, for snapshot compatibility. + uint32 dummy [8]; +// unsigned short last_valid_header; +} Channel; + +typedef struct +{ + short master_volume_left; + short master_volume_right; + short echo_volume_left; + short echo_volume_right; + int echo_enable; + int echo_feedback; + int echo_ptr; + int echo_buffer_size; + int echo_write_enabled; + int echo_channel_enable; + int pitch_mod; + // Just incase they are needed in the future, for snapshot compatibility. + uint32 dummy [3]; + Channel channels [NUM_CHANNELS]; + bool8 no_filter; + int master_volume [2]; + int echo_volume [2]; + int noise_hertz; +} SSoundData; + +EXTERN_C SSoundData SoundData; + +void S9xSetSoundVolume (int channel, short volume_left, short volume_right); +void S9xSetSoundFrequency (int channel, int hertz); +void S9xSetSoundHertz (int channel, int hertz); +void S9xSetSoundType (int channel, int type_of_sound); +void S9xSetMasterVolume (short master_volume_left, short master_volume_right); +void S9xSetEchoVolume (short echo_volume_left, short echo_volume_right); +void S9xSetSoundControl (int sound_switch); +bool8 S9xSetSoundMute (bool8 mute); +void S9xSetEnvelopeHeight (int channel, int height); +void S9xSetSoundADSR (int channel, int attack, int decay, int sustain, + int sustain_level, int release); +void S9xSetSoundKeyOff (int channel); +void S9xSetSoundDecayMode (int channel); +void S9xSetSoundAttachMode (int channel); +void S9xSoundStartEnvelope (Channel *); +void S9xSetSoundSample (int channel, uint16 sample_number); +void S9xSetEchoFeedback (int echo_feedback); +void S9xSetEchoEnable (uint8 byte); +void S9xSetEchoDelay (int byte); +void S9xSetEchoWriteEnable (uint8 byte); +void S9xSetFilterCoefficient (int tap, int value); +void S9xSetFrequencyModulationEnable (uint8 byte); +void S9xSetEnvelopeRate (int channel, unsigned long rate, int direction, + int target); +bool8 S9xSetSoundMode (int channel, int mode); +int S9xGetEnvelopeHeight (int channel); +void S9xResetSound (bool8 full); +void S9xFixSoundAfterSnapshotLoad (); +void S9xPlaybackSoundSetting (int channel); +void S9xPlaySample (int channel); +void S9xFixEnvelope (int channel, uint8 gain, uint8 adsr1, uint8 adsr2); +void S9xStartSample (int channel); + +EXTERN_C void S9xMixSamples (uint8 *buffer, int sample_count); +EXTERN_C void S9xMixSamplesO (uint8 *buffer, int sample_count, int byte_offset); +bool8 S9xOpenSoundDevice (int, bool8, int); +void S9xSetPlaybackRate (uint32 rate); +#endif + |