1 files changed, 21 insertions, 12 deletions
diff --git a/src/libjin/utils/unittest.cpp b/src/libjin/utils/unittest.cpp
index 764a2bd..5b73312 100644
--- a/src/libjin/utils/unittest.cpp
+++ b/src/libjin/utils/unittest.cpp
@@ -2,32 +2,41 @@
 #if UNITTEST
 
 #include <stdio.h>
-#include "../audio/audio.h"
+#include "../audio/sdl/audio.h"
 
 using namespace jin::audio;
 
-void fill_audio(void *udata, Uint8 *stream, int len)
+int sample_nr = 0;
+
+void fill_audio(void *user_data, Uint8 *raw_buffer, int bytes)
 {
-    printf("%d\n", len);
-    memset(stream, 0x11, len);
+    Sint16 *buffer = (Sint16*)raw_buffer;
+    int length = bytes / 2; // 2 bytes per sample for AUDIO_S16SYS
+    int &sample_nr(*(int*)user_data);
+
+    for (int i = 0; i < length; i++, sample_nr++)
+    {
+        double time = (double)sample_nr / (double)44100;
+        buffer[i] = (Sint16)(28000 * sin(2.0f * M_PI * 441.0f * time)); // render 441 HZ sine wave
+    }
 }
 
 int main(int argc, char* argv[])
 {
-    Audio* audio = Audio::get();
-
-    AudioSetting setting; 
-    setting.freq = 22050;
-    setting.format = AUDIO_S16;
-    setting.channels = 2;
+    Audio* audio = SDLAudio::get();
+    SDLAudioSetting setting; 
+    setting.rate = 44100;
+    setting.resolution = AUDIO_S16SYS;
+    setting.channels = 1;
     setting.callback = fill_audio;
-    setting.samples = 1024;
-    setting.userdata = NULL;
+    setting.samples = 44100; 
+    setting.userdata = &sample_nr;
     audio->init(&setting);
     while (true)
     {
         SDL_Delay(100);
     }
+    audio->quit();
     return 0;
 }