- [NEW] JA_LoadMusic() i JA_LoadSound() ara també accepten un buffer de uint8_t* i un tamany, a l'hora de carregar.

- [FIX] JA_PlaySound() de vegades no tornava res

jail_audio.cpp

@@ -90,22 +90,12 @@ void JA_Quit() {
     sdlAudioDevice = 0;
 }
 
-JA_Music_t *JA_LoadMusic(const char* filename) {
+JA_Music_t *JA_LoadMusic(Uint8* buffer, Uint32 length)
+{
     int chan, samplerate;
-
-    // [RZC 28/08/22] Carreguem primer el arxiu en memòria i després el descomprimim. Es algo més rapid.
-    FILE *f = fopen(filename, "rb");
-    fseek(f, 0, SEEK_END);
-    long fsize = ftell(f);
-    fseek(f, 0, SEEK_SET);
-    Uint8 *buffer = (Uint8*)malloc(fsize + 1);
-    if (fread(buffer, fsize, 1, f)!=1) return NULL;
-    fclose(f);
-
     JA_Music_t *music = new JA_Music_t();
 
-    music->samples = stb_vorbis_decode_memory(buffer, fsize, &chan, &samplerate, &music->output);
+    music->samples = stb_vorbis_decode_memory(buffer, length, &chan, &samplerate, &music->output);
-    free(buffer);
     // [RZC 28/08/22] Abans el descomprimiem mentre el teniem obert
 //    music->samples = stb_vorbis_decode_filename(filename, &chan, &samplerate, &music->output);
 
@@ -125,6 +115,24 @@ JA_Music_t *JA_LoadMusic(const char* filename) {
     return music;
 }
 
+JA_Music_t *JA_LoadMusic(const char* filename)
+{
+    // [RZC 28/08/22] Carreguem primer el arxiu en memòria i després el descomprimim. Es algo més rapid.
+    FILE *f = fopen(filename, "rb");
+    fseek(f, 0, SEEK_END);
+    long fsize = ftell(f);
+    fseek(f, 0, SEEK_SET);
+    Uint8 *buffer = (Uint8*)malloc(fsize + 1);
+    if (fread(buffer, fsize, 1, f)!=1) return NULL;
+    fclose(f);
+
+    JA_Music_t *music = JA_LoadMusic(buffer, fsize);
+
+    free(buffer);
+
+    return music;
+}
+
 void JA_PlayMusic(JA_Music_t *music, const int loop)
 {
     if (!JA_musicEnabled) return;
@@ -201,6 +209,24 @@ JA_Sound_t *JA_NewSound(Uint8* buffer, Uint32 length) {
     return sound;
 }
 
+JA_Sound_t *JA_LoadSound(uint8_t* buffer, uint32_t size) {
+    JA_Sound_t *sound = new JA_Sound_t();
+    SDL_AudioSpec wavSpec;
+    SDL_LoadWAV_RW(SDL_RWFromMem(buffer, size),1, &wavSpec, &sound->buffer, &sound->length);
+    
+    SDL_AudioCVT cvt;
+    SDL_BuildAudioCVT(&cvt, wavSpec.format, wavSpec.channels, wavSpec.freq, JA_format, JA_channels, JA_freq);
+    cvt.len = sound->length;
+    cvt.buf = (Uint8 *) SDL_malloc(cvt.len * cvt.len_mult);
+    SDL_memcpy(cvt.buf, sound->buffer, sound->length);
+    SDL_ConvertAudio(&cvt);
+    SDL_FreeWAV(sound->buffer);
+    sound->buffer = cvt.buf;
+    sound->length = cvt.len_cvt;
+
+    return sound;
+}
+
 JA_Sound_t *JA_LoadSound(const char* filename) {
     JA_Sound_t *sound = new JA_Sound_t();
     SDL_AudioSpec wavSpec;
@@ -221,7 +247,7 @@ JA_Sound_t *JA_LoadSound(const char* filename) {
 
 int JA_PlaySound(JA_Sound_t *sound, const int loop)
 {
-    if (!JA_soundEnabled) return;
+    if (!JA_soundEnabled) return -1;
 
     int channel = 0;
     while (channel < JA_MAX_SIMULTANEOUS_CHANNELS && channels[channel].state != JA_CHANNEL_FREE) { channel++; }

jail_audio.h

@@ -11,6 +11,7 @@ void JA_Init(const int freq, const SDL_AudioFormat format, const int channels);
 void JA_Quit();
 
 JA_Music_t *JA_LoadMusic(const char* filename);
+JA_Music_t *JA_LoadMusic(Uint8* buffer, Uint32 length);
 void JA_PlayMusic(JA_Music_t *music, const int loop = -1);
 void JA_PauseMusic();
 void JA_ResumeMusic();
@@ -21,6 +22,7 @@ int JA_SetMusicVolume(int volume);
 void JA_EnableMusic(const bool value);
 
 JA_Sound_t *JA_NewSound(Uint8* buffer, Uint32 length);
+JA_Sound_t *JA_LoadSound(Uint8* buffer, Uint32 length);
 JA_Sound_t *JA_LoadSound(const char* filename);
 int JA_PlaySound(JA_Sound_t *sound, const int loop = 0);
 void JA_PauseChannel(const int channel);