Apple-2-Tools/bradgrantham-apple2e
1
0
Fork 0
mirror of https://github.com/bradgrantham/apple2e.git synced 2024-09-27 11:01:13 +00:00
Code Issues Projects Releases Wiki Activity

Add Emscripten variant to testsdl

Browse Source
This commit is contained in:
Brad Grantham 2017-01-03 10:27:35 -08:00
parent 6c72f1d21d
commit 6d823f8764
1 changed files with 33 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
testsdl.cpp
View File

@ -1,11 +1,17 @@
// g++ -Wall `sdl-config --cflags --libs` testsdl.cpp -o testsdl
// g++ -Wall `sdl-config --cflags --libs` testsdl.cpp -o testsdl
// emcc -s USE_SDL=2 -Wall testsdl.cpp -o testsdl.html
#include <cstdio>
#include <cstring>
#include <cmath>
#include <ctime>
#include <cstdlib>
#include <SDL.h>
#ifdef EMSCRIPTEN
#include <emscripten.h>
#endif
#define BUF_SIZE 4096
unsigned long long audio_pos;
@ -30,8 +36,22 @@ void fill_audio(void *udata, Uint8 *stream, int len)
audio_pos += len;
}
time_t now;
bool done = false;
void mainloop(void)
{
if ( time(0) - now >= 10 )
#ifdef EMSCRIPTEN
emscripten_cancel_main_loop();
#else
done = true;
#endif
}
extern "C" int main(int argc, char **argv)
{
printf("main()\n");
SDL_AudioSpec wanted;
/* Set the audio format */
@ -47,18 +67,26 @@ extern "C" int main(int argc, char **argv)
fprintf(stderr, "Couldn't open audio: %s\n", SDL_GetError());
exit(1);
}
printf("opened audio\n");
audio_pos = 0;
/* Let the callback function play the audio chunk */
SDL_PauseAudio(0);
printf("unpaused audio, playing...\n");
/* Wait for sound to complete */
time_t now = time(0);
while ( time(0) - now < 10 ) {
SDL_Delay(100); /* Sleep 1/10 second */
now = time(0);
#ifdef EMSCRIPTEN
emscripten_set_main_loop(mainloop, 10, true);
#else
while(!done) {
mainloop();
SDL_Delay(100);
}
#endif
SDL_CloseAudio();
printf("closing...\n");
return 0;
}