ref: 6b341f61e1c9da209150d2f8b1940f0b1b241b9c
dir: /SDL_Examples/include/api_audio.h/
/* Public Domain / CC0 Audio Playback Mini Library
Written by Gek (DMHSW) in 2020
*/
/*
HOW TO BUILD THINGS USING THIS LIBRARY
#define CHAD_API_IMPL
//^ This line goes in the file you want the "implementation" in.
#include "api_audio.h"
*/
#define USE_MIXER
#define USE_MP3
//#ifdef __TINYC__
//#define STBI_NO_SIMD
//#define SDL_DISABLE_IMMINTRIN_H
//#endif
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#define SDL_MAIN_HANDLED
#include <SDL/SDL.h>
//NOTE: you might need to change these depending on your project structure.
#ifdef CHAD_API_IMPL
#define CHAD_MATH_IMPL
#endif //
#include "3dMath.h"
//#include "../../include/fixedmath.h"
typedef unsigned char uchar;
extern uint R_;
extern uint G_;
extern uint B_;
extern uint A_;
#ifdef USE_MIXER
#include<SDL/SDL_mixer.h>
void ainit(int needsSDLINIT);
void acleanup();
typedef Mix_Chunk samp;
typedef Mix_Music track;
samp* lwav(const char* t);
track* lmus(const char* t);
samp* qlwav(Uint8* w);
int aplay(samp* samp, int loops);
void aPos(int chan, int angle, unsigned char dist);
void aHalt(int chan);
int mplay(track* mus,int loops, int ms);
void mhalt();
#ifdef CHAD_API_IMPL
void ainit(int needsSDLINIT){
if(needsSDLINIT)
if (SDL_Init(SDL_INIT_AUDIO)!=0) //We only use SDL for mixer...
{
fprintf(stderr, "SDL_Init Error: %s\n", SDL_GetError());
exit(0);
}
Mix_Init(MIX_INIT_OGG | MIX_INIT_MP3);
if(-1 == Mix_OpenAudio(44100, MIX_DEFAULT_FORMAT, 2, 1024)) {printf("\nAudio can't init :(");exit(2);}
}
void acleanup(){
Mix_CloseAudio();
Mix_Quit();
SDL_Quit();
}
void mhalt(){Mix_HaltMusic();}
void aHalt(int chan){Mix_HaltChannel(chan);}
samp* lwav(const char* t){return Mix_LoadWAV(t);}
track* lmus(const char* t){return Mix_LoadMUS(t);}
samp* qlwav(Uint8* w){return Mix_QuickLoad_WAV(w);}
int aplay(samp* samp, int loops){return Mix_PlayChannel(-1, samp, loops);}
void aPos(int chan, int angle, unsigned char dist){Mix_SetPosition(chan,angle,dist);}
int mplay(track* mus,int loops, int ms){return Mix_FadeInMusic(mus,loops,ms);}
//end of chad api impl
#endif
//end of USE_MIXER
#endif
#define MAX(x,y) (x>y?x:y)
#define MIN(x,y) (x<y?x:y)
#define CHAD_API_NEAR 0.0