From d40ae99422e118188a7f48055dc340c6aca022aa Mon Sep 17 00:00:00 2001 From: Kitty Draper Date: Sat, 5 Mar 2011 21:39:25 -0500 Subject: first commit --- source/sound.cpp | 279 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 279 insertions(+) create mode 100644 source/sound.cpp (limited to 'source/sound.cpp') diff --git a/source/sound.cpp b/source/sound.cpp new file mode 100644 index 0000000..e69a1fb --- /dev/null +++ b/source/sound.cpp @@ -0,0 +1,279 @@ +/******************************************************************************* + 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. +*******************************************************************************/ +#include +#include +#include +#include +#include +#include +#include + +#define EQ == +#define MINBUFFLEN 10000 + +#include +#include +#include +#include +#include + +#include "snes9x.h" +#include "soundux.h" + +extern SoundStatus so; + +extern int AudioOpen(unsigned long freq, unsigned long bufsize, unsigned long bitrate, unsigned long stereo); +extern void AudioClose(void); + +extern int OpenPrelude(ULONG Type, ULONG DefaultFreq, ULONG MinBuffSize); +extern void ClosePrelude(void); + +extern int SoundSignal; +unsigned long DoubleBuffer; +//extern struct AHISampleInfo Sample0; +//extern struct AHISampleInfo Sample1; +//extern unsigned long BufferSize; + +struct Library *AHIPPCBase; +struct Library *AHIBase; +struct MsgPort *AHImp=NULL; +struct AHIRequest *AHIio=NULL; +BYTE AHIDevice=-1; + +struct AHIData *AHIData; + +unsigned long Frequency = 0; +//unsigned long BufferSize = 0; +unsigned long BitRate = 0; +unsigned long Stereo = 0; +//unsigned long AHIError = 9; + +BYTE InternSignal=-1; + +int mixsamples; +extern int prelude; + +#define REALSIZE (BitRate*Stereo) + +struct AHIAudioModeRequester *req=NULL; +struct AHIAudioCtrl *actrl=NULL; + +ULONG BufferLen=NULL; + + +/* this really should be dynamically allocated... */ +#undef MAX_BUFFER_SIZE +#define MAX_BUFFER_SIZE 65536 +#define MIN_BUFFER_SIZE 65536 + +#define MODE_MONO 0 +#define MODE_STEREO 1 + +#define QUAL_8BIT 8 +#define QUAL_16BIT 16 + + +int test=0; +int test2=0; + +int AudioOpen(unsigned long freq, unsigned long minbufsize, unsigned long bitrate, unsigned long stereo) +{ + ULONG Type; + + Frequency = freq; + + so.playback_rate = Frequency; + + if(stereo) so.stereo = TRUE; + else so.stereo = FALSE; + + switch(bitrate) + { + case 8: + so.sixteen_bit = FALSE; + BitRate=1; + if(stereo) + { + Stereo=2; + Type = AHIST_S8S; + } + else + { + Stereo=1; + Type = AHIST_M8S; + } + + break; + + default: //defaulting to 16bit, because it means it won't crash atleast + case QUAL_16BIT: + so.sixteen_bit = TRUE; + BitRate=2; + if(stereo) + { + Stereo=2; + Type = AHIST_S16S; + } + else + { + Stereo=1; + Type = AHIST_M16S; + } + break; + } + + if(prelude) prelude = OpenPrelude(Type, freq, minbufsize); + + + if(prelude) return 1; else printf("Defaulting to AHI...\n"); + + /* only 1 channel right? */ + /* NOTE: The buffersize will not always be what you requested + * it finds the minimun AHI requires and then rounds it up to + * nearest 32 bytes. Check AHIData->BufferSize or Samples[n].something_Length + */ + if(AHIData = OpenAHI(1, Type, AHI_INVALID_ID, AHI_DEFAULT_FREQ, 0, minbufsize)) + { + printf("AHI opened\n"); + printf("BuffSize %d\n", AHIData->BufferSize); + } + else + { + printf("AHI failed to open: %d\n", AHIData); + return 0; + } + + so.buffer_size = AHIData->BufferSize; // in bytes + if (so.buffer_size > MAX_BUFFER_SIZE) so.buffer_size = MAX_BUFFER_SIZE; + + /* Lots of useful fields in the AHIData struct, have a look */ + AHIBase = AHIData->AHIBase; + actrl = AHIData->AudioCtrl; + Frequency = AHIData->MixingFreq; + + printf("signal %ld\n", AHIData->SoundFuncSignal); + + Wait(AHIData->SoundFuncSignal); + + /* I don't think it should start playing until there is something + * In the buffer, however to set off the SoundFunc it should + * probably go through the buffer at least once, just silently. + */ + AHI_SetFreq(0, Frequency, actrl, AHISF_IMM); + + Wait(AHIData->SoundFuncSignal); + + AHI_SetVol(0, 0x10000, 0x8000, actrl, AHISF_IMM); + + mixsamples=AHIData->BufferSamples; + + SoundSignal = AHIData->SoundFuncSignal; + + return 1; +} + +void AudioClose( void ) +{ + if(prelude) ClosePrelude(); + else ;//CloseAHI(AHIData); +} + + +#include + +extern int main(int argc, char **argv); + +void wbmain(struct WBStartup * argmsg) +{ + char argv[1][]={"WarpSNES"}; + int argc=1; + main(argc,(char **)argv); +} + + -- cgit v1.2.3