src/sound_sample.c

   1 #include <stdlib.h>
   2 #include <stdio.h>
   3 #include <assert.h>
   4
   5 #include <SDL2/SDL.h>
   6 #include <SDL2/SDL_mixer.h>
   7
   8 #include "./lt.h"
   9 #include "./sound_sample.h"
  10 #include "./error.h"
  11
  12 struct sound_sample_t
  13 {
  14     lt_t *lt;
  15     Mix_Chunk *chunk;
  16 };
  17
  18 sound_sample_t *create_sound_sample_from_file(const char *filepath)
  19 {
  20     assert(filepath);
  21
  22     lt_t *lt = create_lt();
  23     if (lt == NULL) {
  24         return NULL;
  25     }
  26
  27     sound_sample_t *sound_sample = PUSH_LT(lt, malloc(sizeof(sound_sample_t)), free);
  28     if (sound_sample == NULL) {
  29         throw_error(ERROR_TYPE_LIBC);
  30         RETURN_LT(lt, NULL);
  31     }
  32
  33     sound_sample->chunk = PUSH_LT(lt, Mix_LoadWAV(filepath), Mix_FreeChunk);
  34     if (sound_sample->chunk == NULL) {
  35         throw_error(ERROR_TYPE_SDL2_MIXER);
  36         RETURN_LT(lt, NULL);
  37     }
  38
  39     sound_sample->lt = lt;
  40
  41     return sound_sample;
  42 }
  43
  44 void destroy_sound_sample(sound_sample_t *sound_sample)
  45 {
  46     assert(sound_sample);
  47     RETURN_LT0(sound_sample->lt);
  48 }
  49
  50 int sound_sample_play(sound_sample_t *sound_sample, int channel)
  51 {
  52     assert(sound_sample);
  53     return Mix_PlayChannel(channel, sound_sample->chunk, 1);
  54 }