- [FIX] Evitar que sonen varies musiques a l'hora

- [FIX] ResumeAudioStream al playar la musica
- [FIX] Parar un canal de audio abans de intentar usar-lo per a un nou só
- [FIX] No permetre canals negatius
- [FIX] Alliberar el stream al parar un canal
- [FIX] Arreglat el control de volum en l'aplicació de exemple

.gitignore

@@ -3,3 +3,4 @@
 .vscode
 *.out
 main
+jail_audio

jail_audio.cpp

@@ -204,10 +204,8 @@ void JA_PlayMusic(JA_Music_t *music, const int loop)
 {
     if (!JA_musicEnabled) return;
 
-    if (current_music != NULL) {
+    JA_StopMusic();
-        current_music->pos = 0;
+
-        current_music->state = JA_MUSIC_STOPPED;
-    }
     current_music = music;
     current_music->pos = 0;
     current_music->state = JA_MUSIC_PLAYING;
@@ -217,6 +215,7 @@ void JA_PlayMusic(JA_Music_t *music, const int loop)
     if (!SDL_PutAudioStreamData(current_music->stream, current_music->buffer, current_music->length)) printf("[ERROR] SDL_PutAudioStreamData failed!\n");
     SDL_SetAudioStreamGain(current_music->stream, JA_musicVolume);
     if (!SDL_BindAudioStream(sdlAudioDevice, current_music->stream)) printf("[ERROR] SDL_BindAudioStream failed!\n");
+    SDL_ResumeAudioStreamDevice(current_music->stream);
 }
 
 void JA_PauseMusic()
@@ -272,7 +271,7 @@ void JA_DeleteMusic(JA_Music_t *music)
 {
     if (current_music == music) current_music = nullptr;
     SDL_free(music->buffer);
-    SDL_DestroyAudioStream(music->stream);
+    if (music->stream) SDL_DestroyAudioStream(music->stream);
     delete music;
 }
 
@@ -337,6 +336,7 @@ int JA_PlaySound(JA_Sound_t *sound, const int loop)
     int channel = 0;
     while (channel < JA_MAX_SIMULTANEOUS_CHANNELS && channels[channel].state != JA_CHANNEL_FREE) { channel++; }
     if (channel == JA_MAX_SIMULTANEOUS_CHANNELS) channel = 0;
+    JA_StopChannel(channel);
 
     channels[channel].sound = sound;
     channels[channel].times = loop;
@@ -354,7 +354,8 @@ int JA_PlaySoundOnChannel(JA_Sound_t *sound, const int channel, const int loop)
 {
     if (!JA_soundEnabled) return -1;
 
-    if (channel >= JA_MAX_SIMULTANEOUS_CHANNELS) return -1;
+    if (channel < 0 || channel >= JA_MAX_SIMULTANEOUS_CHANNELS) return -1;
+    JA_StopChannel(channel);
 
     channels[channel].sound = sound;
     channels[channel].times = loop;
@@ -430,18 +431,18 @@ void JA_StopChannel(const int channel)
     if (channel == -1)
     {
         for (int i = 0; i < JA_MAX_SIMULTANEOUS_CHANNELS; i++) {
+            if (channels[i].state != JA_CHANNEL_FREE) SDL_DestroyAudioStream(channels[i].stream);
             channels[i].state = JA_CHANNEL_FREE;
             channels[i].pos = 0;
             channels[i].sound = NULL;
-            SDL_DestroyAudioStream(channels[i].stream);
         }
     }
     else if (channel >= 0 && channel < JA_MAX_SIMULTANEOUS_CHANNELS)
     {
+        if (channels[channel].state != JA_CHANNEL_FREE) SDL_DestroyAudioStream(channels[channel].stream);
         channels[channel].state = JA_CHANNEL_FREE;
         channels[channel].pos = 0;
         channels[channel].sound = NULL;
-        SDL_DestroyAudioStream(channels[channel].stream);
     }
 }
 

main.cpp

@@ -17,7 +17,7 @@ int main(int argc, char **argv) {
     int channel = -1;
 
     JA_PlayMusic(music, -1);
-    int volume = 128;
+    float volume = 1.0f;
     bool should_exit = false;
     while(!should_exit) {
         while(SDL_PollEvent(&event)) {
@@ -49,10 +49,10 @@ int main(int argc, char **argv) {
                         JA_FadeOutMusic(1000);
                         break;
                     case SDL_SCANCODE_UP:
-                        volume = JA_SetVolume(volume+16);
+                        volume = JA_SetVolume(volume+0.1f);
                         break;
                     case SDL_SCANCODE_DOWN:
-                        volume = JA_SetVolume(volume-16);
+                        volume = JA_SetVolume(volume-0.1f);
                         break;
                     case SDL_SCANCODE_ESCAPE:
                         should_exit = true;