WAVs can loop, and OGG and WAV loops can be finite

jail_audio.cpp

@@ -12,6 +12,7 @@ struct JA_Sound_t {
 struct JA_Sound_Playing_t {
     Uint32 length {0};
     int pos {0};
+    int times {0};
     Uint8 *buffer {NULL};
     JA_Sound_Playing_t* prev {NULL};
     JA_Sound_Playing_t* next {NULL};
@@ -24,7 +25,7 @@ struct JA_Music_t {
     int pos {0};
     short *output {NULL};
     JA_Music_state state {JA_MUSIC_INVALID};
-    bool loop {false};
+    int times {0};
 };
 
 JA_Music current_music{NULL};
@@ -44,9 +45,10 @@ void audioCallback(void * userdata, uint8_t * stream, int len) {
         SDL_memcpy(stream, current_music->output+current_music->pos, size);
         current_music->pos += size/2;
         if (size < len) {
-            if (current_music->loop) {
+            if (current_music->times != 0) {
                 SDL_memcpy(stream+size, current_music->output, len-size);
                 current_music->pos = (len-size)/2;
+                if (current_music->times > 0) current_music->times--;
             } else {
                 current_music->pos = 0;
                 current_music->state = JA_MUSIC_STOPPED;
@@ -60,20 +62,26 @@ void audioCallback(void * userdata, uint8_t * stream, int len) {
         SDL_MixAudioFormat(stream, sound->buffer+sound->pos, AUDIO_S16, size, 64);
         sound->pos += size;
         if (size < len) {
-            if (sound == last_sound) last_sound = sound->prev;
+            if (sound->times != 0) {
-            if (sound == first_sound) first_sound = sound->next;
+                SDL_MixAudioFormat(stream+size, sound->buffer, AUDIO_S16, len-size, 64);
-            if (sound->prev != NULL) sound->prev->next = sound->next;
+                sound->pos = len-size;
-            if (sound->next != NULL) sound->next->prev = sound->prev;
+                if (sound->times > 0) sound->times--;
-            if (free_sounds_list == NULL) {
-                free_sounds_list = sound;
-                sound = sound->next;
-                free_sounds_list->prev = free_sounds_list->next = NULL;
             } else {
-                free_sounds_list->prev = sound;
+                if (sound == last_sound) last_sound = sound->prev;
-                sound = sound->next;
+                if (sound == first_sound) first_sound = sound->next;
-                free_sounds_list->prev->next = free_sounds_list;
+                if (sound->prev != NULL) sound->prev->next = sound->next;
-                free_sounds_list = free_sounds_list->prev;
+                if (sound->next != NULL) sound->next->prev = sound->prev;
-                free_sounds_list->prev = NULL;
+                if (free_sounds_list == NULL) {
+                    free_sounds_list = sound;
+                    sound = sound->next;
+                    free_sounds_list->prev = free_sounds_list->next = NULL;
+                } else {
+                    free_sounds_list->prev = sound;
+                    sound = sound->next;
+                    free_sounds_list->prev->next = free_sounds_list;
+                    free_sounds_list = free_sounds_list->prev;
+                    free_sounds_list->prev = NULL;
+                }
             }
         } else {
             sound = sound->next;
@@ -114,7 +122,7 @@ JA_Music JA_LoadMusic(const char* filename) {
     return music;
 }
 
-void JA_PlayMusic(JA_Music music, const bool loop) {
+void JA_PlayMusic(JA_Music music, const int loop) {
     int chan, samplerate;
     if (current_music != NULL) {
         current_music->pos = 0;
@@ -123,7 +131,7 @@ void JA_PlayMusic(JA_Music music, const bool loop) {
     current_music = music;
     current_music->pos = 0;
     current_music->state = JA_MUSIC_PLAYING;
-    current_music->loop = loop;
+    current_music->times = loop;
 }
 
 void JA_PauseMusic() {
@@ -170,7 +178,7 @@ JA_Sound JA_LoadSound(const char* filename) {
     return sound;
 }
 
-void JA_PlaySound(JA_Sound sound) {
+void JA_PlaySound(JA_Sound sound, const int loop) {
     if (free_sounds_list == NULL) {
         first_sound->prev = last_sound;
         last_sound->next = first_sound;
@@ -188,6 +196,7 @@ void JA_PlaySound(JA_Sound sound) {
     }
     last_sound->buffer = sound->buffer;
     last_sound->length = sound->length;
+    last_sound->times = loop;
     last_sound->pos = 0;
 }
 

jail_audio.h

@@ -7,7 +7,7 @@ typedef struct JA_Music_t *JA_Music;
 void JA_Init(const int freq, const SDL_AudioFormat format, const int channels);
 
 JA_Music JA_LoadMusic(const char* filename);
-void JA_PlayMusic(JA_Music music, const bool loop = true);
+void JA_PlayMusic(JA_Music music, const int loop = -1);
 void JA_PauseMusic();
 void JA_ResumeMusic();
 void JA_StopMusic();
@@ -15,5 +15,5 @@ bool JA_IsMusicPlaying();
 void JA_DeleteMusic(JA_Music music);
 
 JA_Sound JA_LoadSound(const char* filename);
-void JA_PlaySound(JA_Sound sound);
+void JA_PlaySound(JA_Sound sound, const int loop = 0);
 void JA_DeleteSound(JA_Sound sound);

main.cpp

@@ -15,13 +15,13 @@ int main(int argc, char **argv) {
     JA_Sound peiv = JA_LoadSound("menu_select.wav");
 
     JA_PlayMusic(music, true);
-    
+
     bool should_exit = false;
     while(!should_exit) {
         while(SDL_PollEvent(&event)) {
             if (event.type == SDL_QUIT) { should_exit = true; break; }
             if (event.type == SDL_KEYDOWN) {
-                JA_PlaySound(peiv);
+                JA_PlaySound(peiv, 2);
                 if (JA_IsMusicPlaying())
                     JA_PauseMusic();
                 else