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Fix emscripten sound

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This commit is contained in:
Miloslav Číž 2020-09-26 00:59:03 +02:00
parent 927666145a
commit d551a8495a
1 changed files with 18 additions and 8 deletions
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26
main_sdl.c
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@ -40,7 +40,13 @@
#define MUSIC_VOLUME 4
#ifdef __EMSCRIPTEN__
#define SFG_FPS 30
#define SFG_SCREEN_RESOLUTION_X 640
#define SFG_SCREEN_RESOLUTION_Y 480
#define SFG_CAN_EXIT 0
#define SFG_RESOLUTION_SCALEDOWN 2
#include <emscripten.h>
#endif
#include <stdio.h>
@ -229,6 +235,13 @@ void mainLoopIteration()
{
SDL_Event event;
#ifdef __EMSCRIPTEN__
// Hack, without it sound won't work because of shitty browser audio policies.
if (SFG_game.frame % 512 == 0)
SDL_PauseAudio(0);
#endif
while (SDL_PollEvent(&event)) // also automatically updates sdlKeyboardState
{
if(event.type == SDL_MOUSEWHEEL)
@ -336,10 +349,10 @@ int main(int argc, char *argv[])
return 0;
}
puts("SDL: starting");
puts("SDL: initializing SDL");
SFG_init();
window =
SDL_CreateWindow("raycasting", SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED, SFG_SCREEN_RESOLUTION_X, SFG_SCREEN_RESOLUTION_Y,
@ -367,21 +380,18 @@ int main(int argc, char *argv[])
SDL_ShowCursor(0);
SFG_init();
SDL_Init(SDL_INIT_AUDIO);
SDL_AudioSpec audioSpec, audioSpec2;
SDL_AudioSpec audioSpec;
SDL_memset(&audioSpec, 0, sizeof(audioSpec));
audioSpec.callback = audioFillCallback;
audioSpec.userdata = 0;
audioSpec.freq = 8000;
audioSpec.format = AUDIO_U16;
audioSpec.channels = 1;
audioSpec.samples = 128;
audioSpec.samples = 1024;
if (SDL_OpenAudio(&audioSpec,&audioSpec2) < 0)
if (SDL_OpenAudio(&audioSpec,NULL) < 0)
puts("SDL: could not initialize audio");
for (int16_t i = 0; i < SFG_SFX_SAMPLE_COUNT; ++i)