更新音频模块

1 files changed, 3 insertions, 20 deletions

diff --git a/src/libjin/utils/unittest.cpp b/src/libjin/utils/unittest.cpp
index 5b73312..b64f394 100644
--- a/src/libjin/utils/unittest.cpp
+++ b/src/libjin/utils/unittest.cpp
@@ -6,31 +6,14 @@
 
 using namespace jin::audio;
 
-int sample_nr = 0;
-
-void fill_audio(void *user_data, Uint8 *raw_buffer, int bytes)
-{
-    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 = SDLAudio::get();
     SDLAudioSetting setting; 
     setting.rate = 44100;
-    setting.resolution = AUDIO_S16SYS;
-    setting.channels = 1;
-    setting.callback = fill_audio;
-    setting.samples = 44100; 
-    setting.userdata = &sample_nr;
+    setting.resolution = AUDIO_S16SYS; /*signed 16 - bit samples in native byte order*/
+    setting.channels = 2;
+    setting.samples = 44100;
     audio->init(&setting);
     while (true)
     {