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audio.c (711B)

      1 #include "audio.h"
      2 
      3 void *
      4 play_audio(void *tid)
      5 {
      6 	/*int tid = (long)threadid;*/
      7 	Mix_Music *music = NULL;
      8 	SDL_Init(SDL_INIT_AUDIO);
      9 	Mix_OpenAudio(44100, MIX_DEFAULT_FORMAT, 1, 4096);
     10 	music = Mix_LoadMUS(AUDIO_PATH);
     11 
     12 	Mix_PlayMusic(music, -1);
     13 	while (Mix_PlayingMusic()) ;
     14 	Mix_FreeMusic(music);
     15 	Mix_CloseAudio();
     16 	return NULL;
     17 }
     18 
     19 void
     20 volume(char option)
     21 {
     22 	static int volume = MIX_MAX_VOLUME;
     23 
     24 	switch (option)
     25 	{
     26 		case '+':
     27 			if (volume == MIX_MAX_VOLUME) break;
     28 			else Mix_VolumeMusic(volume += 10);
     29 			break;
     30 		case '-':
     31 			if (volume == 0) break;
     32 			else Mix_VolumeMusic(volume -= 10);
     33 			break;
     34 	}
     35 }
     36 
     37 void
     38 pause_audio(void)
     39 {
     40 	(Mix_PausedMusic() == 1) ? Mix_ResumeMusic() : Mix_PauseMusic();
     41 }